/*
* PROJECT: ReactOS win32 kernel mode subsystem
* LICENSE: GPL - See COPYING in the top level directory
- * FILE: subsystems/win32/win32k/objects/path.c
+ * FILE: win32ss/gdi/ntgdi/path.c
* PURPOSE: Graphics paths (BeginPath, EndPath etc.)
* PROGRAMMER: Copyright 1997, 1998 Martin Boehme
* 1999 Huw D M Davies
* 2005 Dmitry Timoshkov
+ * 2018 Katayama Hirofumi MZ
*/
#include <win32k.h>
#endif
#define NUM_ENTRIES_INITIAL 16 /* Initial size of points / flags arrays */
+
#define GROW_FACTOR_NUMER 2 /* Numerator of grow factor for the array */
#define GROW_FACTOR_DENOM 1 /* Denominator of grow factor */
+#if DBG
+static int PathCount = 0;
+#endif
+
/***********************************************************************
* Internal functions
*/
+PPATH FASTCALL
+PATH_CreatePath(int count)
+{
+ PPATH pPath = PATH_AllocPathWithHandle();
+
+ if (!pPath)
+ {
+ EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
+ return NULL;
+ }
+
+ DPRINT("CreatePath p 0x%p\n", pPath);
+ // Path handles are shared. Also due to recursion with in the same thread.
+ GDIOBJ_vUnlockObject((POBJ)pPath); // Unlock
+ pPath = PATH_LockPath(pPath->BaseObject.hHmgr); // Share Lock.
+
+ /* Make sure that path is empty */
+ PATH_EmptyPath(pPath);
+
+ count = max( NUM_ENTRIES_INITIAL, count );
+
+ pPath->numEntriesAllocated = count;
+
+ pPath->pPoints = (POINT *)ExAllocatePoolWithTag(PagedPool, count * sizeof(POINT), TAG_PATH);
+ RtlZeroMemory( pPath->pPoints, count * sizeof(POINT));
+ pPath->pFlags = (BYTE *)ExAllocatePoolWithTag(PagedPool, count * sizeof(BYTE), TAG_PATH);
+ RtlZeroMemory( pPath->pFlags, count * sizeof(BYTE));
+
+ /* Initialize variables for new path */
+ pPath->numEntriesUsed = 0;
+ pPath->newStroke = TRUE;
+ pPath->state = PATH_Open;
+ pPath->pos.x = pPath->pos.y = 0;
+#if DBG
+ PathCount++;
+ DPRINT("Create Path %d\n",PathCount);
+#endif
+ return pPath;
+}
+
/* PATH_DestroyGdiPath
*
* Destroys a GdiPath structure (frees the memory in the arrays).
*/
VOID
FASTCALL
-PATH_DestroyGdiPath ( PPATH pPath )
+PATH_DestroyGdiPath(PPATH pPath)
{
- ASSERT(pPath!=NULL);
+ ASSERT(pPath != NULL);
- if (pPath->pPoints) ExFreePoolWithTag(pPath->pPoints, TAG_PATH);
- if (pPath->pFlags) ExFreePoolWithTag(pPath->pFlags, TAG_PATH);
+ if (pPath->pPoints) ExFreePoolWithTag(pPath->pPoints, TAG_PATH);
+ if (pPath->pFlags) ExFreePoolWithTag(pPath->pFlags, TAG_PATH);
}
BOOL
FASTCALL
PATH_Delete(HPATH hPath)
{
- PPATH pPath;
- if (!hPath) return FALSE;
- pPath = PATH_LockPath( hPath );
- if (!pPath) return FALSE;
- PATH_DestroyGdiPath( pPath );
- GDIOBJ_vDeleteObject(&pPath->BaseObject);
- return TRUE;
+ PPATH pPath;
+ if (!hPath) return FALSE;
+ pPath = PATH_LockPath(hPath);
+ if (!pPath) return FALSE;
+ PATH_DestroyGdiPath(pPath);
+ GDIOBJ_vDeleteObject(&pPath->BaseObject);
+#if DBG
+ PathCount--;
+ DPRINT("Delete Path %d\n",PathCount);
+#endif
+ return TRUE;
}
FASTCALL
IntGdiCloseFigure(PPATH pPath)
{
- ASSERT(pPath->state == PATH_Open);
-
- // FIXME: Shouldn't we draw a line to the beginning of the figure?
- // Set PT_CLOSEFIGURE on the last entry and start a new stroke
- if(pPath->numEntriesUsed)
- {
- pPath->pFlags[pPath->numEntriesUsed-1]|=PT_CLOSEFIGURE;
- pPath->newStroke=TRUE;
- }
+ ASSERT(pPath->state == PATH_Open);
+
+ // FIXME: Shouldn't we draw a line to the beginning of the figure?
+ // Set PT_CLOSEFIGURE on the last entry and start a new stroke
+ if (pPath->numEntriesUsed)
+ {
+ pPath->pFlags[pPath->numEntriesUsed - 1] |= PT_CLOSEFIGURE;
+ pPath->newStroke = TRUE;
+ }
}
/* MSDN: This fails if the device coordinates exceed 27 bits, or if the converted
logical coordinates exceed 32 bits. */
BOOL
FASTCALL
-GdiPathDPtoLP(PDC pdc, PPOINT ppt, INT count)
-{
- XFORMOBJ xo;
-
- XFORMOBJ_vInit(&xo, &pdc->pdcattr->mxDeviceToWorld);
- return XFORMOBJ_bApplyXform(&xo, XF_LTOL, count, (PPOINTL)ppt, (PPOINTL)ppt);
-}
-
-/* PATH_FillPath
- *
- *
- */
-BOOL
-FASTCALL
-PATH_FillPath( PDC dc, PPATH pPath )
+GdiPathDPtoLP(
+ PDC pdc,
+ PPOINT ppt,
+ INT count)
{
- //INT mapMode, graphicsMode;
- //SIZE ptViewportExt, ptWindowExt;
- //POINTL ptViewportOrg, ptWindowOrg;
- XFORM xform;
- HRGN hrgn;
- PDC_ATTR pdcattr = dc->pdcattr;
-
- if( pPath->state != PATH_Closed )
- {
- EngSetLastError(ERROR_CAN_NOT_COMPLETE);
- return FALSE;
- }
-
- if( PATH_PathToRegion( pPath, pdcattr->jFillMode, &hrgn ))
- {
- /* Since PaintRgn interprets the region as being in logical coordinates
- * but the points we store for the path are already in device
- * coordinates, we have to set the mapping mode to MM_TEXT temporarily.
- * Using SaveDC to save information about the mapping mode / world
- * transform would be easier but would require more overhead, especially
- * now that SaveDC saves the current path.
- */
-
- /* Save the information about the old mapping mode */
- //mapMode = pdcattr->iMapMode;
- //ptViewportExt = pdcattr->szlViewportExt;
- //ptViewportOrg = pdcattr->ptlViewportOrg;
- //ptWindowExt = pdcattr->szlWindowExt;
- //ptWindowOrg = pdcattr->ptlWindowOrg;
-
- /* Save world transform
- * NB: The Windows documentation on world transforms would lead one to
- * believe that this has to be done only in GM_ADVANCED; however, my
- * tests show that resetting the graphics mode to GM_COMPATIBLE does
- * not reset the world transform.
- */
- MatrixS2XForm(&xform, &dc->pdcattr->mxWorldToPage);
-
- /* Set MM_TEXT */
-// IntGdiSetMapMode( dc, MM_TEXT );
-// pdcattr->ptlViewportOrg.x = 0;
-// pdcattr->ptlViewportOrg.y = 0;
-// pdcattr->ptlWindowOrg.x = 0;
-// pdcattr->ptlWindowOrg.y = 0;
-
- // graphicsMode = pdcattr->iGraphicsMode;
-// pdcattr->iGraphicsMode = GM_ADVANCED;
-// IntGdiModifyWorldTransform( dc, &xform, MWT_IDENTITY );
-// pdcattr->iGraphicsMode = graphicsMode;
+ XFORMOBJ xo;
- /* Paint the region */
- IntGdiPaintRgn( dc, hrgn );
- GreDeleteObject( hrgn );
- /* Restore the old mapping mode */
-// IntGdiSetMapMode( dc, mapMode );
-// pdcattr->szlViewportExt = ptViewportExt;
-// pdcattr->ptlViewportOrg = ptViewportOrg;
-// pdcattr->szlWindowExt = ptWindowExt;
-// pdcattr->ptlWindowOrg = ptWindowOrg;
-
- /* Go to GM_ADVANCED temporarily to restore the world transform */
- //graphicsMode = pdcattr->iGraphicsMode;
-// pdcattr->iGraphicsMode = GM_ADVANCED;
-// IntGdiModifyWorldTransform( dc, &xform, MWT_MAX+1 );
-// pdcattr->iGraphicsMode = graphicsMode;
- return TRUE;
- }
- return FALSE;
+ XFORMOBJ_vInit(&xo, &pdc->pdcattr->mxDeviceToWorld);
+ return XFORMOBJ_bApplyXform(&xo, XF_LTOL, count, (PPOINTL)ppt, (PPOINTL)ppt);
}
/* PATH_InitGdiPath
*/
VOID
FASTCALL
-PATH_InitGdiPath ( PPATH pPath )
+PATH_InitGdiPath(
+ PPATH pPath)
{
- ASSERT(pPath!=NULL);
+ ASSERT(pPath != NULL);
- pPath->state=PATH_Null;
- pPath->pPoints=NULL;
- pPath->pFlags=NULL;
- pPath->numEntriesUsed=0;
- pPath->numEntriesAllocated=0;
+ pPath->state = PATH_Null;
+ pPath->pPoints = NULL;
+ pPath->pFlags = NULL;
+ pPath->numEntriesUsed = 0;
+ pPath->numEntriesAllocated = 0;
}
/* PATH_AssignGdiPath
*/
BOOL
FASTCALL
-PATH_AssignGdiPath ( PPATH pPathDest, const PPATH pPathSrc )
+PATH_AssignGdiPath(
+ PPATH pPathDest,
+ const PPATH pPathSrc)
{
- ASSERT(pPathDest!=NULL && pPathSrc!=NULL);
+ ASSERT(pPathDest != NULL && pPathSrc != NULL);
- /* Make sure destination arrays are big enough */
- if ( !PATH_ReserveEntries(pPathDest, pPathSrc->numEntriesUsed) )
- return FALSE;
+ /* Make sure destination arrays are big enough */
+ if (!PATH_ReserveEntries(pPathDest, pPathSrc->numEntriesUsed))
+ return FALSE;
- /* Perform the copy operation */
- memcpy(pPathDest->pPoints, pPathSrc->pPoints,
- sizeof(POINT)*pPathSrc->numEntriesUsed);
- memcpy(pPathDest->pFlags, pPathSrc->pFlags,
- sizeof(BYTE)*pPathSrc->numEntriesUsed);
+ /* Perform the copy operation */
+ memcpy(pPathDest->pPoints, pPathSrc->pPoints, sizeof(POINT)*pPathSrc->numEntriesUsed);
+ memcpy(pPathDest->pFlags, pPathSrc->pFlags, sizeof(BYTE)*pPathSrc->numEntriesUsed);
- pPathDest->state=pPathSrc->state;
- pPathDest->numEntriesUsed=pPathSrc->numEntriesUsed;
- pPathDest->newStroke=pPathSrc->newStroke;
- return TRUE;
+ pPathDest->pos = pPathSrc->pos;
+ pPathDest->state = pPathSrc->state;
+ pPathDest->numEntriesUsed = pPathSrc->numEntriesUsed;
+ pPathDest->newStroke = pPathSrc->newStroke;
+ return TRUE;
}
-/* PATH_MoveTo
- *
- * Should be called when a MoveTo is performed on a DC that has an
- * open path. This starts a new stroke. Returns TRUE if successful, else
- * FALSE.
- */
-BOOL
-FASTCALL
-PATH_MoveTo ( PDC dc )
+BOOL PATH_SavePath( DC *dst, DC *src )
{
- PPATH pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath) return FALSE;
-
- /* Check that path is open */
- if ( pPath->state != PATH_Open )
- {
- PATH_UnlockPath( pPath );
- /* FIXME: Do we have to call SetLastError? */
- return FALSE;
- }
- /* Start a new stroke */
- pPath->newStroke = TRUE;
- PATH_UnlockPath( pPath );
- return TRUE;
-}
+ PPATH pdstPath, psrcPath = PATH_LockPath(src->dclevel.hPath);
+ DPRINT("PATH_SavePath\n");
+ if (psrcPath)
+ {
+ DPRINT("PATH_SavePath 1\n");
-/* PATH_LineTo
- *
- * Should be called when a LineTo is performed on a DC that has an
- * open path. This adds a PT_LINETO entry to the path (and possibly
- * a PT_MOVETO entry, if this is the first LineTo in a stroke).
- * Returns TRUE if successful, else FALSE.
- */
-BOOL
-FASTCALL
-PATH_LineTo ( PDC dc, INT x, INT y )
-{
- BOOL Ret;
- PPATH pPath;
- POINT point, pointCurPos;
+ pdstPath = PATH_CreatePath(psrcPath->numEntriesAllocated);
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath) return FALSE;
+ dst->dclevel.flPath = src->dclevel.flPath;
- /* Check that path is open */
- if ( pPath->state != PATH_Open )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
-
- /* Convert point to device coordinates */
- point.x=x;
- point.y=y;
- CoordLPtoDP ( dc, &point );
-
- /* Add a PT_MOVETO if necessary */
- if ( pPath->newStroke )
- {
- pPath->newStroke = FALSE;
- IntGetCurrentPositionEx ( dc, &pointCurPos );
- CoordLPtoDP ( dc, &pointCurPos );
- if ( !PATH_AddEntry(pPath, &pointCurPos, PT_MOVETO) )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
- }
-
- /* Add a PT_LINETO entry */
- Ret = PATH_AddEntry(pPath, &point, PT_LINETO);
- PATH_UnlockPath( pPath );
- return Ret;
+ dst->dclevel.hPath = pdstPath->BaseObject.hHmgr;
+
+ PATH_AssignGdiPath(pdstPath, psrcPath);
+
+ PATH_UnlockPath(pdstPath);
+ PATH_UnlockPath(psrcPath);
+ }
+ return TRUE;
}
-/* PATH_Rectangle
- *
- * Should be called when a call to Rectangle is performed on a DC that has
- * an open path. Returns TRUE if successful, else FALSE.
- */
-BOOL
-FASTCALL
-PATH_Rectangle ( PDC dc, INT x1, INT y1, INT x2, INT y2 )
+BOOL PATH_RestorePath( DC *dst, DC *src )
{
- PPATH pPath;
- POINT corners[2], pointTemp;
- INT temp;
+ DPRINT("PATH_RestorePath\n");
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath) return FALSE;
+ if (dst->dclevel.hPath == NULL)
+ {
+ PPATH pdstPath, psrcPath = PATH_LockPath(src->dclevel.hPath);
+ DPRINT("PATH_RestorePath 1\n");
+ pdstPath = PATH_CreatePath(psrcPath->numEntriesAllocated);
+ dst->dclevel.flPath = src->dclevel.flPath;
+ dst->dclevel.hPath = pdstPath->BaseObject.hHmgr;
- /* Check that path is open */
- if ( pPath->state != PATH_Open )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
-
- /* Convert points to device coordinates */
- corners[0].x=x1;
- corners[0].y=y1;
- corners[1].x=x2;
- corners[1].y=y2;
- IntLPtoDP ( dc, corners, 2 );
-
- /* Make sure first corner is top left and second corner is bottom right */
- if ( corners[0].x > corners[1].x )
- {
- temp=corners[0].x;
- corners[0].x=corners[1].x;
- corners[1].x=temp;
- }
- if ( corners[0].y > corners[1].y )
- {
- temp=corners[0].y;
- corners[0].y=corners[1].y;
- corners[1].y=temp;
- }
-
- /* In GM_COMPATIBLE, don't include bottom and right edges */
- if (dc->pdcattr->iGraphicsMode == GM_COMPATIBLE)
- {
- corners[1].x--;
- corners[1].y--;
- }
-
- /* Close any previous figure */
- IntGdiCloseFigure(pPath);
-
- /* Add four points to the path */
- pointTemp.x=corners[1].x;
- pointTemp.y=corners[0].y;
- if ( !PATH_AddEntry(pPath, &pointTemp, PT_MOVETO) )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
- if ( !PATH_AddEntry(pPath, corners, PT_LINETO) )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
- pointTemp.x=corners[0].x;
- pointTemp.y=corners[1].y;
- if ( !PATH_AddEntry(pPath, &pointTemp, PT_LINETO) )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
- if ( !PATH_AddEntry(pPath, corners+1, PT_LINETO) )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
+ PATH_AssignGdiPath(pdstPath, psrcPath);
- /* Close the rectangle figure */
- IntGdiCloseFigure(pPath) ;
- PATH_UnlockPath( pPath );
- return TRUE;
+ PATH_UnlockPath(pdstPath);
+ PATH_UnlockPath(psrcPath);
+ }
+ else
+ {
+ PPATH pdstPath, psrcPath = PATH_LockPath(src->dclevel.hPath);
+ pdstPath = PATH_LockPath(dst->dclevel.hPath);
+ DPRINT("PATH_RestorePath 2\n");
+ dst->dclevel.flPath = src->dclevel.flPath & (DCPATH_CLOCKWISE|DCPATH_ACTIVE);
+ PATH_AssignGdiPath(pdstPath, psrcPath);
+
+ PATH_UnlockPath(pdstPath);
+ PATH_UnlockPath(psrcPath);
+ }
+ return TRUE;
}
-/* PATH_RoundRect
- *
- * Should be called when a call to RoundRect is performed on a DC that has
- * an open path. Returns TRUE if successful, else FALSE.
+/* PATH_EmptyPath
*
- * FIXME: It adds the same entries to the path as windows does, but there
- * is an error in the bezier drawing code so that there are small pixel-size
- * gaps when the resulting path is drawn by StrokePath()
+ * Removes all entries from the path and sets the path state to PATH_Null.
*/
-BOOL FASTCALL PATH_RoundRect(DC *dc, INT x1, INT y1, INT x2, INT y2, INT ell_width, INT ell_height)
+VOID
+FASTCALL
+PATH_EmptyPath(PPATH pPath)
{
- PPATH pPath;
- POINT corners[2], pointTemp;
- FLOAT_POINT ellCorners[2];
-
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath) return FALSE;
-
- /* Check that path is open */
- if(pPath->state!=PATH_Open)
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
-
- if(!PATH_CheckCorners(dc,corners,x1,y1,x2,y2))
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
-
- /* Add points to the roundrect path */
- ellCorners[0].x = corners[1].x-ell_width;
- ellCorners[0].y = corners[0].y;
- ellCorners[1].x = corners[1].x;
- ellCorners[1].y = corners[0].y+ell_height;
- if(!PATH_DoArcPart(pPath, ellCorners, 0, -M_PI_2, PT_MOVETO))
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
- pointTemp.x = corners[0].x+ell_width/2;
- pointTemp.y = corners[0].y;
- if(!PATH_AddEntry(pPath, &pointTemp, PT_LINETO))
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
- ellCorners[0].x = corners[0].x;
- ellCorners[1].x = corners[0].x+ell_width;
- if(!PATH_DoArcPart(pPath, ellCorners, -M_PI_2, -M_PI, FALSE))
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
- pointTemp.x = corners[0].x;
- pointTemp.y = corners[1].y-ell_height/2;
- if(!PATH_AddEntry(pPath, &pointTemp, PT_LINETO))
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
- ellCorners[0].y = corners[1].y-ell_height;
- ellCorners[1].y = corners[1].y;
- if(!PATH_DoArcPart(pPath, ellCorners, M_PI, M_PI_2, FALSE))
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
- pointTemp.x = corners[1].x-ell_width/2;
- pointTemp.y = corners[1].y;
- if(!PATH_AddEntry(pPath, &pointTemp, PT_LINETO))
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
- ellCorners[0].x = corners[1].x-ell_width;
- ellCorners[1].x = corners[1].x;
- if(!PATH_DoArcPart(pPath, ellCorners, M_PI_2, 0, FALSE))
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
-
- IntGdiCloseFigure(pPath);
- PATH_UnlockPath( pPath );
- return TRUE;
+ ASSERT(pPath != NULL);
+
+ pPath->state = PATH_Null;
+ pPath->numEntriesUsed = 0;
}
-/* PATH_Ellipse
+/* PATH_AddEntry
*
- * Should be called when a call to Ellipse is performed on a DC that has
- * an open path. This adds four Bezier splines representing the ellipse
- * to the path. Returns TRUE if successful, else FALSE.
+ * Adds an entry to the path. For "flags", pass either PT_MOVETO, PT_LINETO
+ * or PT_BEZIERTO, optionally ORed with PT_CLOSEFIGURE. Returns TRUE if
+ * successful, FALSE otherwise (e.g. if not enough memory was available).
*/
BOOL
FASTCALL
-PATH_Ellipse ( PDC dc, INT x1, INT y1, INT x2, INT y2 )
+PATH_AddEntry(
+ PPATH pPath,
+ const POINT *pPoint,
+ BYTE flags)
{
- PPATH pPath;
- /* TODO: This should probably be revised to call PATH_AngleArc */
- /* (once it exists) */
- BOOL Ret = PATH_Arc ( dc, x1, y1, x2, y2, x1, (y1+y2)/2, x1, (y1+y2)/2, GdiTypeArc );
- if (Ret)
- {
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath) return FALSE;
- IntGdiCloseFigure(pPath);
- PATH_UnlockPath( pPath );
- }
- return Ret;
+ ASSERT(pPath != NULL);
+
+ /* FIXME: If newStroke is true, perhaps we want to check that we're
+ * getting a PT_MOVETO
+ */
+ DPRINT("(%d,%d) - %d\n", pPoint->x, pPoint->y, flags);
+
+ /* Reserve enough memory for an extra path entry */
+ if (!PATH_ReserveEntries(pPath, pPath->numEntriesUsed + 1))
+ return FALSE;
+
+ /* Store information in path entry */
+ pPath->pPoints[pPath->numEntriesUsed] = *pPoint;
+ pPath->pFlags[pPath->numEntriesUsed] = flags;
+
+ /* Increment entry count */
+ pPath->numEntriesUsed++;
+
+ return TRUE;
}
-/* PATH_Arc
+/* PATH_ReserveEntries
*
- * Should be called when a call to Arc is performed on a DC that has
- * an open path. This adds up to five Bezier splines representing the arc
- * to the path. When 'lines' is 1, we add 1 extra line to get a chord,
- * when 'lines' is 2, we add 2 extra lines to get a pie, and when 'lines' is
- * -1 we add 1 extra line from the current DC position to the starting position
- * of the arc before drawing the arc itself (arcto). Returns TRUE if successful,
- * else FALSE.
+ * Ensures that at least "numEntries" entries (for points and flags) have
+ * been allocated; allocates larger arrays and copies the existing entries
+ * to those arrays, if necessary. Returns TRUE if successful, else FALSE.
*/
BOOL
FASTCALL
-PATH_Arc ( PDC dc, INT x1, INT y1, INT x2, INT y2,
- INT xStart, INT yStart, INT xEnd, INT yEnd, INT lines)
+PATH_ReserveEntries(
+ PPATH pPath,
+ INT numEntries)
{
- double angleStart, angleEnd, angleStartQuadrant, angleEndQuadrant=0.0;
- /* Initialize angleEndQuadrant to silence gcc's warning */
- double x, y;
- FLOAT_POINT corners[2], pointStart, pointEnd;
- POINT centre, pointCurPos;
- BOOL start, end, Ret = TRUE;
- INT temp;
- BOOL clockwise;
- PPATH pPath;
-
- /* FIXME: This function should check for all possible error returns */
- /* FIXME: Do we have to respect newStroke? */
-
- ASSERT ( dc );
-
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath) return FALSE;
-
- clockwise = ((dc->dclevel.flPath & DCPATH_CLOCKWISE) != 0);
-
- /* Check that path is open */
- if ( pPath->state != PATH_Open )
- {
- Ret = FALSE;
- goto ArcExit;
- }
-
- /* Check for zero height / width */
- /* FIXME: Only in GM_COMPATIBLE? */
- if ( x1==x2 || y1==y2 )
- {
- Ret = TRUE;
- goto ArcExit;
- }
- /* Convert points to device coordinates */
- corners[0].x=(FLOAT)x1;
- corners[0].y=(FLOAT)y1;
- corners[1].x=(FLOAT)x2;
- corners[1].y=(FLOAT)y2;
- pointStart.x=(FLOAT)xStart;
- pointStart.y=(FLOAT)yStart;
- pointEnd.x=(FLOAT)xEnd;
- pointEnd.y=(FLOAT)yEnd;
- INTERNAL_LPTODP_FLOAT(dc, corners);
- INTERNAL_LPTODP_FLOAT(dc, corners+1);
- INTERNAL_LPTODP_FLOAT(dc, &pointStart);
- INTERNAL_LPTODP_FLOAT(dc, &pointEnd);
-
- /* Make sure first corner is top left and second corner is bottom right */
- if ( corners[0].x > corners[1].x )
- {
- temp=corners[0].x;
- corners[0].x=corners[1].x;
- corners[1].x=temp;
- }
- if ( corners[0].y > corners[1].y )
- {
- temp=corners[0].y;
- corners[0].y=corners[1].y;
- corners[1].y=temp;
- }
-
- /* Compute start and end angle */
- PATH_NormalizePoint(corners, &pointStart, &x, &y);
- angleStart=atan2(y, x);
- PATH_NormalizePoint(corners, &pointEnd, &x, &y);
- angleEnd=atan2(y, x);
-
- /* Make sure the end angle is "on the right side" of the start angle */
- if ( clockwise )
- {
- if ( angleEnd <= angleStart )
- {
- angleEnd+=2*M_PI;
- ASSERT(angleEnd>=angleStart);
- }
- }
- else
- {
- if(angleEnd>=angleStart)
- {
- angleEnd-=2*M_PI;
- ASSERT(angleEnd<=angleStart);
- }
- }
-
- /* In GM_COMPATIBLE, don't include bottom and right edges */
- if (dc->pdcattr->iGraphicsMode == GM_COMPATIBLE )
- {
- corners[1].x--;
- corners[1].y--;
- }
-
- /* arcto: Add a PT_MOVETO only if this is the first entry in a stroke */
- if(lines==GdiTypeArcTo && pPath->newStroke) // -1
- {
- pPath->newStroke=FALSE;
- IntGetCurrentPositionEx ( dc, &pointCurPos );
- CoordLPtoDP(dc, &pointCurPos);
- if(!PATH_AddEntry(pPath, &pointCurPos, PT_MOVETO))
- {
- Ret = FALSE;
- goto ArcExit;
- }
- }
-
- /* Add the arc to the path with one Bezier spline per quadrant that the
- * arc spans */
- start=TRUE;
- end=FALSE;
- do
- {
- /* Determine the start and end angles for this quadrant */
- if(start)
- {
- angleStartQuadrant=angleStart;
- if ( clockwise )
- angleEndQuadrant=(floor(angleStart/M_PI_2)+1.0)*M_PI_2;
- else
- angleEndQuadrant=(ceil(angleStart/M_PI_2)-1.0)*M_PI_2;
- }
- else
+ INT numEntriesToAllocate;
+ POINT *pPointsNew;
+ BYTE *pFlagsNew;
+
+ ASSERT(pPath != NULL);
+ ASSERT(numEntries >= 0);
+
+ /* Do we have to allocate more memory? */
+ if (numEntries > pPath->numEntriesAllocated)
{
- angleStartQuadrant=angleEndQuadrant;
- if ( clockwise )
- angleEndQuadrant+=M_PI_2;
- else
- angleEndQuadrant-=M_PI_2;
- }
-
- /* Have we reached the last part of the arc? */
- if ( (clockwise && angleEnd<angleEndQuadrant)
- || (!clockwise && angleEnd>angleEndQuadrant)
- )
- {
- /* Adjust the end angle for this quadrant */
- angleEndQuadrant = angleEnd;
- end = TRUE;
- }
-
- /* Add the Bezier spline to the path */
- PATH_DoArcPart ( pPath, corners, angleStartQuadrant, angleEndQuadrant,
- start ? (lines==GdiTypeArcTo ? PT_LINETO : PT_MOVETO) : FALSE ); // -1
- start = FALSE;
- } while(!end);
-
- /* chord: close figure. pie: add line and close figure */
- if (lines==GdiTypeChord) // 1
- {
- IntGdiCloseFigure(pPath);
- }
- else if (lines==GdiTypePie) // 2
- {
- centre.x = (corners[0].x+corners[1].x)/2;
- centre.y = (corners[0].y+corners[1].y)/2;
- if(!PATH_AddEntry(pPath, ¢re, PT_LINETO | PT_CLOSEFIGURE))
- Ret = FALSE;
- }
-ArcExit:
- PATH_UnlockPath( pPath );
- return Ret;
-}
+ /* Find number of entries to allocate. We let the size of the array
+ * grow exponentially, since that will guarantee linear time
+ * complexity. */
+ if (pPath->numEntriesAllocated)
+ {
+ numEntriesToAllocate = pPath->numEntriesAllocated;
+ while (numEntriesToAllocate < numEntries)
+ numEntriesToAllocate = numEntriesToAllocate * GROW_FACTOR_NUMER / GROW_FACTOR_DENOM;
+ }
+ else
+ numEntriesToAllocate = numEntries;
-BOOL
-FASTCALL
-PATH_PolyBezierTo ( PDC dc, const POINT *pts, DWORD cbPoints )
-{
- POINT pt;
- ULONG i;
- PPATH pPath;
+ /* Allocate new arrays */
+ pPointsNew = (POINT *)ExAllocatePoolWithTag(PagedPool, numEntriesToAllocate * sizeof(POINT), TAG_PATH);
+ if (!pPointsNew)
+ return FALSE;
- ASSERT ( dc );
- ASSERT ( pts );
- ASSERT ( cbPoints );
+ pFlagsNew = (BYTE *)ExAllocatePoolWithTag(PagedPool, numEntriesToAllocate * sizeof(BYTE), TAG_PATH);
+ if (!pFlagsNew)
+ {
+ ExFreePoolWithTag(pPointsNew, TAG_PATH);
+ return FALSE;
+ }
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath) return FALSE;
+ /* Copy old arrays to new arrays and discard old arrays */
+ if (pPath->pPoints)
+ {
+ ASSERT(pPath->pFlags);
- /* Check that path is open */
- if ( pPath->state != PATH_Open )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
+ memcpy(pPointsNew, pPath->pPoints, sizeof(POINT)*pPath->numEntriesUsed);
+ memcpy(pFlagsNew, pPath->pFlags, sizeof(BYTE)*pPath->numEntriesUsed);
- /* Add a PT_MOVETO if necessary */
- if ( pPath->newStroke )
- {
- pPath->newStroke=FALSE;
- IntGetCurrentPositionEx ( dc, &pt );
- CoordLPtoDP ( dc, &pt );
- if ( !PATH_AddEntry(pPath, &pt, PT_MOVETO) )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
+ ExFreePoolWithTag(pPath->pPoints, TAG_PATH);
+ ExFreePoolWithTag(pPath->pFlags, TAG_PATH);
+ }
+
+ pPath->pPoints = pPointsNew;
+ pPath->pFlags = pFlagsNew;
+ pPath->numEntriesAllocated = numEntriesToAllocate;
}
- }
- for(i = 0; i < cbPoints; i++)
- {
- pt = pts[i];
- CoordLPtoDP ( dc, &pt );
- PATH_AddEntry(pPath, &pt, PT_BEZIERTO);
- }
- PATH_UnlockPath( pPath );
- return TRUE;
+ return TRUE;
}
-BOOL
+/* PATH_ScaleNormalizedPoint
+ *
+ * Scales a normalized point (x, y) with respect to the box whose corners are
+ * passed in "corners". The point is stored in "*pPoint". The normalized
+ * coordinates (-1.0, -1.0) correspond to corners[0], the coordinates
+ * (1.0, 1.0) correspond to corners[1].
+ */
+VOID
FASTCALL
-PATH_PolyBezier ( PDC dc, const POINT *pts, DWORD cbPoints )
+PATH_ScaleNormalizedPoint(
+ FLOAT_POINT corners[],
+ double x,
+ double y,
+ POINT *pPoint)
{
- POINT pt;
- ULONG i;
- PPATH pPath;
+ ASSERT(corners);
+ ASSERT(pPoint);
- ASSERT ( dc );
- ASSERT ( pts );
- ASSERT ( cbPoints );
+ pPoint->x = GDI_ROUND((double)corners[0].x + (double)(corners[1].x - corners[0].x) * 0.5 * (x + 1.0));
+ pPoint->y = GDI_ROUND((double)corners[0].y + (double)(corners[1].y - corners[0].y) * 0.5 * (y + 1.0));
+}
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath) return FALSE;
+/* PATH_NormalizePoint
+ *
+ * Normalizes a point with respect to the box whose corners are passed in
+ * corners. The normalized coordinates are stored in *pX and *pY.
+ */
+VOID
+FASTCALL
+PATH_NormalizePoint(
+ FLOAT_POINT corners[],
+ const FLOAT_POINT *pPoint,
+ double *pX,
+ double *pY)
+{
+ ASSERT(corners);
+ ASSERT(pPoint);
+ ASSERT(pX);
+ ASSERT(pY);
- /* Check that path is open */
- if ( pPath->state != PATH_Open )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
-
- for ( i = 0; i < cbPoints; i++ )
- {
- pt = pts[i];
- CoordLPtoDP ( dc, &pt );
- PATH_AddEntry ( pPath, &pt, (i == 0) ? PT_MOVETO : PT_BEZIERTO );
- }
- PATH_UnlockPath( pPath );
- return TRUE;
+ *pX = (double)(pPoint->x - corners[0].x) / (double)(corners[1].x - corners[0].x) * 2.0 - 1.0;
+ *pY = (double)(pPoint->y - corners[0].y) / (double)(corners[1].y - corners[0].y) * 2.0 - 1.0;
}
+/* PATH_CheckCorners
+ *
+ * Helper function for PATH_RoundRect() and PATH_Rectangle()
+ */
BOOL
-FASTCALL
-PATH_PolyDraw(PDC dc, const POINT *pts, const BYTE *types, DWORD cbPoints)
+PATH_CheckCorners(
+ DC *dc,
+ POINT corners[],
+ INT x1,
+ INT y1,
+ INT x2,
+ INT y2)
{
- PPATH pPath;
- POINT lastmove, orig_pos;
- ULONG i;
- PDC_ATTR pdcattr;
- BOOL State = FALSE, Ret = FALSE;
-
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath) return FALSE;
-
- if ( pPath->state != PATH_Open )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
+ INT temp;
+ PDC_ATTR pdcattr = dc->pdcattr;
- pdcattr = dc->pdcattr;
+ /* Convert points to device coordinates */
+ corners[0].x = x1;
+ corners[0].y = y1;
+ corners[1].x = x2;
+ corners[1].y = y2;
+ IntLPtoDP(dc, corners, 2);
- lastmove.x = orig_pos.x = pdcattr->ptlCurrent.x;
- lastmove.y = orig_pos.y = pdcattr->ptlCurrent.y;
+ /* Make sure first corner is top left and second corner is bottom right */
+ if (corners[0].x > corners[1].x)
+ {
+ temp = corners[0].x;
+ corners[0].x = corners[1].x;
+ corners[1].x = temp;
+ }
- i = pPath->numEntriesUsed;
+ if (corners[0].y > corners[1].y)
+ {
+ temp = corners[0].y;
+ corners[0].y = corners[1].y;
+ corners[1].y = temp;
+ }
- while (i != 0)
- {
- i--;
- if (pPath->pFlags[i] == PT_MOVETO)
- {
- lastmove.x = pPath->pPoints[i].x;
- lastmove.y = pPath->pPoints[i].y;
- if (!GdiPathDPtoLP(dc, &lastmove, 1))
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
- break;
- }
- }
-
- for (i = 0; i < cbPoints; i++)
- {
- if (types[i] == PT_MOVETO)
- {
- pPath->newStroke = TRUE;
- lastmove.x = pts[i].x;
- lastmove.y = pts[i].y;
- }
- else if((types[i] & ~PT_CLOSEFIGURE) == PT_LINETO)
- {
- PATH_LineTo(dc, pts[i].x, pts[i].y);
- }
- else if(types[i] == PT_BEZIERTO)
- {
- if (!((i + 2 < cbPoints) && (types[i + 1] == PT_BEZIERTO)
- && ((types[i + 2] & ~PT_CLOSEFIGURE) == PT_BEZIERTO)))
- goto err;
- PATH_PolyBezierTo(dc, &(pts[i]), 3);
- i += 2;
- }
- else
- goto err;
-
- pdcattr->ptlCurrent.x = pts[i].x;
- pdcattr->ptlCurrent.y = pts[i].y;
- State = TRUE;
-
- if (types[i] & PT_CLOSEFIGURE)
- {
- pPath->pFlags[pPath->numEntriesUsed-1] |= PT_CLOSEFIGURE;
- pPath->newStroke = TRUE;
- pdcattr->ptlCurrent.x = lastmove.x;
- pdcattr->ptlCurrent.y = lastmove.y;
- State = TRUE;
- }
- }
- Ret = TRUE;
- goto Exit;
-
-err:
- if ((pdcattr->ptlCurrent.x != orig_pos.x) || (pdcattr->ptlCurrent.y != orig_pos.y))
- {
- pPath->newStroke = TRUE;
- pdcattr->ptlCurrent.x = orig_pos.x;
- pdcattr->ptlCurrent.y = orig_pos.y;
- State = TRUE;
- }
-Exit:
- if (State) // State change?
- {
- pdcattr->ptfxCurrent = pdcattr->ptlCurrent;
- CoordLPtoDP(dc, &pdcattr->ptfxCurrent); // Update fx
- pdcattr->ulDirty_ &= ~(DIRTY_PTLCURRENT|DIRTY_PTFXCURRENT|DIRTY_STYLESTATE);
- }
- PATH_UnlockPath( pPath );
- return Ret;
+ /* In GM_COMPATIBLE, don't include bottom and right edges */
+ if (pdcattr->iGraphicsMode == GM_COMPATIBLE)
+ {
+ if (corners[0].x == corners[1].x) return FALSE;
+ if (corners[0].y == corners[1].y) return FALSE;
+ corners[1].x--;
+ corners[1].y--;
+ }
+ return TRUE;
}
-BOOL
-FASTCALL
-PATH_Polyline ( PDC dc, const POINT *pts, DWORD cbPoints )
+/* add a number of points, converting them to device coords */
+/* return a pointer to the first type byte so it can be fixed up if necessary */
+static BYTE *add_log_points( DC *dc, PPATH path, const POINT *points,
+ DWORD count, BYTE type )
{
- POINT pt;
- ULONG i;
- PPATH pPath;
-
- ASSERT ( dc );
- ASSERT ( pts );
- ASSERT ( cbPoints );
+ BYTE *ret;
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath) return FALSE;
+ if (!PATH_ReserveEntries( path, path->numEntriesUsed + count )) return NULL;
- /* Check that path is open */
- if ( pPath->state != PATH_Open )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
- for ( i = 0; i < cbPoints; i++ )
- {
- pt = pts[i];
- CoordLPtoDP ( dc, &pt );
- PATH_AddEntry(pPath, &pt, (i == 0) ? PT_MOVETO : PT_LINETO);
- }
- PATH_UnlockPath( pPath );
- return TRUE;
+ ret = &path->pFlags[path->numEntriesUsed];
+ memcpy( &path->pPoints[path->numEntriesUsed], points, count * sizeof(*points) );
+ IntLPtoDP( dc, &path->pPoints[path->numEntriesUsed], count );
+ memset( ret, type, count );
+ path->numEntriesUsed += count;
+ return ret;
}
-BOOL
-FASTCALL
-PATH_PolylineTo ( PDC dc, const POINT *pts, DWORD cbPoints )
+/* add a number of points that are already in device coords */
+/* return a pointer to the first type byte so it can be fixed up if necessary */
+static BYTE *add_points( PPATH path, const POINT *points, DWORD count, BYTE type )
{
- POINT pt;
- ULONG i;
- PPATH pPath;
+ BYTE *ret;
- ASSERT ( dc );
- ASSERT ( pts );
- ASSERT ( cbPoints );
+ if (!PATH_ReserveEntries( path, path->numEntriesUsed + count )) return NULL;
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath) return FALSE;
-
- /* Check that path is open */
- if ( pPath->state != PATH_Open )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
-
- /* Add a PT_MOVETO if necessary */
- if ( pPath->newStroke )
- {
- pPath->newStroke = FALSE;
- IntGetCurrentPositionEx ( dc, &pt );
- CoordLPtoDP ( dc, &pt );
- if ( !PATH_AddEntry(pPath, &pt, PT_MOVETO) )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
- }
-
- for(i = 0; i < cbPoints; i++)
- {
- pt = pts[i];
- CoordLPtoDP ( dc, &pt );
- PATH_AddEntry(pPath, &pt, PT_LINETO);
- }
- PATH_UnlockPath( pPath );
- return TRUE;
+ ret = &path->pFlags[path->numEntriesUsed];
+ memcpy( &path->pPoints[path->numEntriesUsed], points, count * sizeof(*points) );
+ memset( ret, type, count );
+ path->numEntriesUsed += count;
+ return ret;
}
-
-BOOL
-FASTCALL
-PATH_Polygon ( PDC dc, const POINT *pts, DWORD cbPoints )
+/* reverse the order of an array of points */
+static void reverse_points( POINT *points, UINT count )
{
- POINT pt;
- ULONG i;
- PPATH pPath;
+ UINT i;
+ for (i = 0; i < count / 2; i++)
+ {
+ POINT pt = points[i];
+ points[i] = points[count - i - 1];
+ points[count - i - 1] = pt;
+ }
+}
- ASSERT ( dc );
- ASSERT ( pts );
+/* start a new path stroke if necessary */
+static BOOL start_new_stroke( PPATH path )
+{
+ if (!path->newStroke && path->numEntriesUsed &&
+ !(path->pFlags[path->numEntriesUsed - 1] & PT_CLOSEFIGURE) &&
+ path->pPoints[path->numEntriesUsed - 1].x == path->pos.x &&
+ path->pPoints[path->numEntriesUsed - 1].y == path->pos.y)
+ return TRUE;
+
+ path->newStroke = FALSE;
+ return add_points( path, &path->pos, 1, PT_MOVETO ) != NULL;
+}
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath) return FALSE;
+/* set current position to the last point that was added to the path */
+static void update_current_pos( PPATH path )
+{
+ assert( path->numEntriesUsed );
+ path->pos = path->pPoints[path->numEntriesUsed - 1];
+}
- /* Check that path is open */
- if ( pPath->state != PATH_Open )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
-
- for(i = 0; i < cbPoints; i++)
- {
- pt = pts[i];
- CoordLPtoDP ( dc, &pt );
- PATH_AddEntry(pPath, &pt, (i == 0) ? PT_MOVETO :
- ((i == cbPoints-1) ? PT_LINETO | PT_CLOSEFIGURE :
- PT_LINETO));
- }
- PATH_UnlockPath( pPath );
- return TRUE;
+/* close the current figure */
+static void close_figure( PPATH path )
+{
+ assert( path->numEntriesUsed );
+ path->pFlags[path->numEntriesUsed - 1] |= PT_CLOSEFIGURE;
}
-BOOL
-FASTCALL
-PATH_PolyPolygon ( PDC dc, const POINT* pts, const INT* counts, UINT polygons )
+/* add a number of points, starting a new stroke if necessary */
+static BOOL add_log_points_new_stroke( DC *dc, PPATH path, const POINT *points,
+ DWORD count, BYTE type )
{
- POINT pt, startpt;
- ULONG poly, point, i;
- PPATH pPath;
-
- ASSERT ( dc );
- ASSERT ( pts );
- ASSERT ( counts );
- ASSERT ( polygons );
-
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath) return FALSE;
-
- /* Check that path is open */
- if ( pPath->state != PATH_Open )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
-
- for(i = 0, poly = 0; poly < polygons; poly++)
- {
- for(point = 0; point < (ULONG) counts[poly]; point++, i++)
- {
- pt = pts[i];
- CoordLPtoDP ( dc, &pt );
- if(point == 0) startpt = pt;
- PATH_AddEntry(pPath, &pt, (point == 0) ? PT_MOVETO : PT_LINETO);
- }
- /* Win98 adds an extra line to close the figure for some reason */
- PATH_AddEntry(pPath, &startpt, PT_LINETO | PT_CLOSEFIGURE);
- }
- PATH_UnlockPath( pPath );
- return TRUE;
+ if (!start_new_stroke( path )) return FALSE;
+ if (!add_log_points( dc, path, points, count, type )) return FALSE;
+ update_current_pos( path );
+
+ DPRINT("ALPNS : Pos X %d Y %d\n",path->pos.x, path->pos.y);
+ IntGdiMoveToEx(dc, path->pos.x, path->pos.y, NULL);
+
+ return TRUE;
}
+/* PATH_MoveTo
+ *
+ * Should be called when a MoveTo is performed on a DC that has an
+ * open path. This starts a new stroke. Returns TRUE if successful, else
+ * FALSE.
+ */
BOOL
FASTCALL
-PATH_PolyPolyline ( PDC dc, const POINT* pts, const DWORD* counts, DWORD polylines )
+PATH_MoveTo(
+ PDC dc,
+ PPATH pPath)
{
- POINT pt;
- ULONG poly, point, i;
- PPATH pPath;
-
- ASSERT ( dc );
- ASSERT ( pts );
- ASSERT ( counts );
- ASSERT ( polylines );
-
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath) return FALSE;
-
- /* Check that path is open */
- if ( pPath->state != PATH_Open )
- {
- PATH_UnlockPath( pPath );
- return FALSE;
- }
+ if (!pPath) return FALSE;
- for(i = 0, poly = 0; poly < polylines; poly++)
- {
- for(point = 0; point < counts[poly]; point++, i++)
+ // GDI32 : Signal from user space of a change in position.
+ if (dc->pdcattr->ulDirty_ & DIRTY_STYLESTATE)
{
- pt = pts[i];
- CoordLPtoDP ( dc, &pt );
- PATH_AddEntry(pPath, &pt, (point == 0) ? PT_MOVETO : PT_LINETO);
+ DPRINT("MoveTo has changed\n");
+ pPath->newStroke = TRUE;
+ // Set position and clear the signal flag.
+ IntGetCurrentPositionEx(dc, &pPath->pos);
+ IntLPtoDP( dc, &pPath->pos, 1 );
+ return TRUE;
}
- }
- PATH_UnlockPath( pPath );
- return TRUE;
-}
-
-/* PATH_CheckCorners
- *
- * Helper function for PATH_RoundRect() and PATH_Rectangle()
- */
-BOOL PATH_CheckCorners(DC *dc, POINT corners[], INT x1, INT y1, INT x2, INT y2)
-{
- INT temp;
- PDC_ATTR pdcattr = dc->pdcattr;
-
- /* Convert points to device coordinates */
- corners[0].x=x1;
- corners[0].y=y1;
- corners[1].x=x2;
- corners[1].y=y2;
- CoordLPtoDP(dc, &corners[0]);
- CoordLPtoDP(dc, &corners[1]);
-
- /* Make sure first corner is top left and second corner is bottom right */
- if(corners[0].x>corners[1].x)
- {
- temp=corners[0].x;
- corners[0].x=corners[1].x;
- corners[1].x=temp;
- }
- if(corners[0].y>corners[1].y)
- {
- temp=corners[0].y;
- corners[0].y=corners[1].y;
- corners[1].y=temp;
- }
-
- /* In GM_COMPATIBLE, don't include bottom and right edges */
- if(pdcattr->iGraphicsMode==GM_COMPATIBLE)
- {
- corners[1].x--;
- corners[1].y--;
- }
-
- return TRUE;
+ return FALSE;
}
-
-/* PATH_AddFlatBezier
+/* PATH_LineTo
*
+ * Should be called when a LineTo is performed on a DC that has an
+ * open path. This adds a PT_LINETO entry to the path (and possibly
+ * a PT_MOVETO entry, if this is the first LineTo in a stroke).
+ * Returns TRUE if successful, else FALSE.
*/
BOOL
FASTCALL
-PATH_AddFlatBezier ( PPATH pPath, POINT *pt, BOOL closed )
+PATH_LineTo(
+ PDC dc,
+ INT x,
+ INT y)
{
- POINT *pts;
- INT no, i;
+ BOOL Ret;
+ PPATH pPath;
+ POINT point, pointCurPos;
- pts = GDI_Bezier( pt, 4, &no );
- if ( !pts ) return FALSE;
-
- for(i = 1; i < no; i++)
- PATH_AddEntry(pPath, &pts[i], (i == no-1 && closed) ? PT_LINETO | PT_CLOSEFIGURE : PT_LINETO);
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath) return FALSE;
- ExFreePoolWithTag(pts, TAG_BEZIER);
- return TRUE;
-}
+ point.x = x;
+ point.y = y;
-/* PATH_FlattenPath
- *
- * Replaces Beziers with line segments
+ // Coalesce a MoveTo point.
+ if ( !PATH_MoveTo(dc, pPath) )
+ {
+ /* Add a PT_MOVETO if necessary */
+ if (pPath->newStroke)
+ {
+ DPRINT("Line To : New Stroke\n");
+ pPath->newStroke = FALSE;
+ IntGetCurrentPositionEx(dc, &pointCurPos);
+ CoordLPtoDP(dc, &pointCurPos);
+ if (!PATH_AddEntry(pPath, &pointCurPos, PT_MOVETO))
+ {
+ PATH_UnlockPath(pPath);
+ return FALSE;
+ }
+ }
+ }
+ Ret = add_log_points_new_stroke( dc, pPath, &point, 1, PT_LINETO );
+ PATH_UnlockPath(pPath);
+ return Ret;
+}
+
+/* PATH_Rectangle
*
+ * Should be called when a call to Rectangle is performed on a DC that has
+ * an open path. Returns TRUE if successful, else FALSE.
*/
BOOL
FASTCALL
-PATH_FlattenPath(PPATH pPath)
+PATH_Rectangle(
+ PDC dc,
+ INT x1,
+ INT y1,
+ INT x2,
+ INT y2)
{
- PATH newPath;
- INT srcpt;
-
- RtlZeroMemory(&newPath, sizeof(newPath));
- newPath.state = PATH_Open;
- for(srcpt = 0; srcpt < pPath->numEntriesUsed; srcpt++) {
- switch(pPath->pFlags[srcpt] & ~PT_CLOSEFIGURE) {
- case PT_MOVETO:
- case PT_LINETO:
- PATH_AddEntry(&newPath, &pPath->pPoints[srcpt], pPath->pFlags[srcpt]);
- break;
- case PT_BEZIERTO:
- PATH_AddFlatBezier(&newPath, &pPath->pPoints[srcpt-1], pPath->pFlags[srcpt+2] & PT_CLOSEFIGURE);
- srcpt += 2;
- break;
- }
- }
- newPath.state = PATH_Closed;
- PATH_AssignGdiPath(pPath, &newPath);
- PATH_EmptyPath(&newPath);
- return TRUE;
+ PPATH pPath;
+ POINT corners[2], points[4];
+ BYTE *type;
+
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath) return FALSE;
+
+ if (!PATH_CheckCorners(dc, corners, x1, y1, x2, y2))
+ {
+ PATH_UnlockPath(pPath);
+ return TRUE;
+ }
+
+ points[0].x = corners[1].x;
+ points[0].y = corners[0].y;
+ points[1] = corners[0];
+ points[2].x = corners[0].x;
+ points[2].y = corners[1].y;
+ points[3] = corners[1];
+
+ if (dc->dclevel.flPath & DCPATH_CLOCKWISE) reverse_points( points, 4 );
+
+ if (!(type = add_points( pPath, points, 4, PT_LINETO )))
+ {
+ PATH_UnlockPath(pPath);
+ return FALSE;
+ }
+ type[0] = PT_MOVETO;
+
+ /* Close the rectangle figure */
+ IntGdiCloseFigure(pPath) ;
+ PATH_UnlockPath(pPath);
+ return TRUE;
}
+/* PATH_RoundRect
+ *
+ * Should be called when a call to RoundRect is performed on a DC that has
+ * an open path. Returns TRUE if successful, else FALSE.
+ *
+ */
+BOOL
+FASTCALL
+PATH_RoundRect(
+ DC *dc,
+ INT x1,
+ INT y1,
+ INT x2,
+ INT y2,
+ INT ell_width,
+ INT ell_height)
+{
+ const double factor = 0.55428475; /* 4 / 3 * (sqrt(2) - 1) */
+ PPATH pPath;
+ POINT corners[2], ellipse[2], points[16];
+ BYTE *type;
+ double width, height;
+
+ if (!ell_width || !ell_height) return PATH_Rectangle( dc, x1, y1, x2, y2 );
-/* PATH_PathToRegion
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath) return FALSE;
+
+ if (!PATH_CheckCorners(dc, corners, x1, y1, x2, y2))
+ {
+ PATH_UnlockPath(pPath);
+ return TRUE;
+ }
+
+ ellipse[0].x = ellipse[0].y = 0;
+ ellipse[1].x = ell_width;
+ ellipse[1].y = ell_height;
+ IntLPtoDP( dc, &ellipse, 2 );
+ ell_width = min( abs( ellipse[1].x - ellipse[0].x ), corners[1].x - corners[0].x );
+ ell_height = min( abs( ellipse[1].y - ellipse[0].y ), corners[1].y - corners[0].y );
+ width = ell_width / 2.0;
+ height = ell_height / 2.0;
+
+ /* starting point */
+ points[0].x = corners[1].x;
+ points[0].y = corners[0].y + GDI_ROUND( height );
+ /* first curve */
+ points[1].x = corners[1].x;
+ points[1].y = corners[0].y + GDI_ROUND( height * (1 - factor) );
+ points[2].x = corners[1].x - GDI_ROUND( width * (1 - factor) );
+ points[2].y = corners[0].y;
+ points[3].x = corners[1].x - GDI_ROUND( width );
+ points[3].y = corners[0].y;
+ /* horizontal line */
+ points[4].x = corners[0].x + GDI_ROUND( width );
+ points[4].y = corners[0].y;
+ /* second curve */
+ points[5].x = corners[0].x + GDI_ROUND( width * (1 - factor) );
+ points[5].y = corners[0].y;
+ points[6].x = corners[0].x;
+ points[6].y = corners[0].y + GDI_ROUND( height * (1 - factor) );
+ points[7].x = corners[0].x;
+ points[7].y = corners[0].y + GDI_ROUND( height );
+ /* vertical line */
+ points[8].x = corners[0].x;
+ points[8].y = corners[1].y - GDI_ROUND( height );
+ /* third curve */
+ points[9].x = corners[0].x;
+ points[9].y = corners[1].y - GDI_ROUND( height * (1 - factor) );
+ points[10].x = corners[0].x + GDI_ROUND( width * (1 - factor) );
+ points[10].y = corners[1].y;
+ points[11].x = corners[0].x + GDI_ROUND( width );
+ points[11].y = corners[1].y;
+ /* horizontal line */
+ points[12].x = corners[1].x - GDI_ROUND( width );
+ points[12].y = corners[1].y;
+ /* fourth curve */
+ points[13].x = corners[1].x - GDI_ROUND( width * (1 - factor) );
+ points[13].y = corners[1].y;
+ points[14].x = corners[1].x;
+ points[14].y = corners[1].y - GDI_ROUND( height * (1 - factor) );
+ points[15].x = corners[1].x;
+ points[15].y = corners[1].y - GDI_ROUND( height );
+
+ if (dc->dclevel.flPath & DCPATH_CLOCKWISE) reverse_points( points, 16 );
+ if (!(type = add_points( pPath, points, 16, PT_BEZIERTO )))
+ {
+ PATH_UnlockPath(pPath);
+ return FALSE;
+ }
+ type[0] = PT_MOVETO;
+ type[4] = type[8] = type[12] = PT_LINETO;
+
+ IntGdiCloseFigure(pPath);
+ PATH_UnlockPath(pPath);
+ return TRUE;
+}
+
+/* PATH_Ellipse
*
- * Creates a region from the specified path using the specified polygon
- * filling mode. The path is left unchanged. A handle to the region that
- * was created is stored in *pHrgn. If successful, TRUE is returned; if an
- * error occurs, SetLastError is called with the appropriate value and
- * FALSE is returned.
*/
BOOL
FASTCALL
-PATH_PathToRegion ( PPATH pPath, INT nPolyFillMode, HRGN *pHrgn )
+PATH_Ellipse(
+ PDC dc,
+ INT x1,
+ INT y1,
+ INT x2,
+ INT y2)
{
- int numStrokes, iStroke, i;
- PULONG pNumPointsInStroke;
- HRGN hrgn = 0;
-
- ASSERT(pPath!=NULL);
- ASSERT(pHrgn!=NULL);
-
- PATH_FlattenPath ( pPath );
-
- /* First pass: Find out how many strokes there are in the path */
- /* FIXME: We could eliminate this with some bookkeeping in GdiPath */
- numStrokes=0;
- for(i=0; i<pPath->numEntriesUsed; i++)
- if((pPath->pFlags[i] & ~PT_CLOSEFIGURE) == PT_MOVETO)
- numStrokes++;
-
- if(numStrokes == 0)
- {
- return FALSE;
- }
-
- /* Allocate memory for number-of-points-in-stroke array */
- pNumPointsInStroke = ExAllocatePoolWithTag(PagedPool, sizeof(ULONG) * numStrokes, TAG_PATH);
- if(!pNumPointsInStroke)
- {
- EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
- return FALSE;
- }
-
- /* Second pass: remember number of points in each polygon */
- iStroke=-1; /* Will get incremented to 0 at beginning of first stroke */
- for(i=0; i<pPath->numEntriesUsed; i++)
- {
- /* Is this the beginning of a new stroke? */
- if((pPath->pFlags[i] & ~PT_CLOSEFIGURE) == PT_MOVETO)
- {
- iStroke++;
- _PRAGMA_WARNING_SUPPRESS(__WARNING_WRITE_OVERRUN)
- pNumPointsInStroke[iStroke]=0;
- }
-
- _PRAGMA_WARNING_SUPPRESS(__WARNING_READ_OVERRUN)
- pNumPointsInStroke[iStroke]++;
- }
-
- /* Create a region from the strokes */
- hrgn = IntCreatePolyPolygonRgn( pPath->pPoints,
- pNumPointsInStroke,
- numStrokes,
- nPolyFillMode);
- if(hrgn==(HRGN)0)
- {
- EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
- return FALSE;
- }
+ const double factor = 0.55428475; /* 4 / 3 * (sqrt(2) - 1) */
+ PPATH pPath;
+ POINT corners[2], points[13];
+ BYTE *type;
+ double width, height;
- /* Free memory for number-of-points-in-stroke array */
- ExFreePoolWithTag(pNumPointsInStroke, TAG_PATH);
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath) return FALSE;
- /* Success! */
- *pHrgn=hrgn;
- return TRUE;
+ if (!PATH_CheckCorners(dc, corners, x1, y1, x2, y2))
+ {
+ PATH_UnlockPath(pPath);
+ return TRUE;
+ }
+
+ width = (corners[1].x - corners[0].x) / 2.0;
+ height = (corners[1].y - corners[0].y) / 2.0;
+
+ /* starting point */
+ points[0].x = corners[1].x;
+ points[0].y = corners[0].y + GDI_ROUND( height );
+ /* first curve */
+ points[1].x = corners[1].x;
+ points[1].y = corners[0].y + GDI_ROUND( height * (1 - factor) );
+ points[2].x = corners[1].x - GDI_ROUND( width * (1 - factor) );
+ points[2].y = corners[0].y;
+ points[3].x = corners[0].x + GDI_ROUND( width );
+ points[3].y = corners[0].y;
+ /* second curve */
+ points[4].x = corners[0].x + GDI_ROUND( width * (1 - factor) );
+ points[4].y = corners[0].y;
+ points[5].x = corners[0].x;
+ points[5].y = corners[0].y + GDI_ROUND( height * (1 - factor) );
+ points[6].x = corners[0].x;
+ points[6].y = corners[0].y + GDI_ROUND( height );
+ /* third curve */
+ points[7].x = corners[0].x;
+ points[7].y = corners[1].y - GDI_ROUND( height * (1 - factor) );
+ points[8].x = corners[0].x + GDI_ROUND( width * (1 - factor) );
+ points[8].y = corners[1].y;
+ points[9].x = corners[0].x + GDI_ROUND( width );
+ points[9].y = corners[1].y;
+ /* fourth curve */
+ points[10].x = corners[1].x - GDI_ROUND( width * (1 - factor) );
+ points[10].y = corners[1].y;
+ points[11].x = corners[1].x;
+ points[11].y = corners[1].y - GDI_ROUND( height * (1 - factor) );
+ points[12].x = corners[1].x;
+ points[12].y = corners[1].y - GDI_ROUND( height );
+
+ if (dc->dclevel.flPath & DCPATH_CLOCKWISE) reverse_points( points, 13 );
+ if (!(type = add_points( pPath, points, 13, PT_BEZIERTO )))
+ {
+ DPRINT1("PATH_Ellipse No add\n");
+ PATH_UnlockPath(pPath);
+ return FALSE;
+ }
+ type[0] = PT_MOVETO;
+
+ IntGdiCloseFigure(pPath);
+ PATH_UnlockPath(pPath);
+ return TRUE;
}
-/* PATH_EmptyPath
+/* PATH_DoArcPart
*
- * Removes all entries from the path and sets the path state to PATH_Null.
+ * Creates a Bezier spline that corresponds to part of an arc and appends the
+ * corresponding points to the path. The start and end angles are passed in
+ * "angleStart" and "angleEnd"; these angles should span a quarter circle
+ * at most. If "startEntryType" is non-zero, an entry of that type for the first
+ * control point is added to the path; otherwise, it is assumed that the current
+ * position is equal to the first control point.
*/
-VOID
+BOOL
FASTCALL
-PATH_EmptyPath ( PPATH pPath )
+PATH_DoArcPart(
+ PPATH pPath,
+ FLOAT_POINT corners[],
+ double angleStart,
+ double angleEnd,
+ BYTE startEntryType)
{
- ASSERT(pPath!=NULL);
+ double halfAngle, a;
+ double xNorm[4], yNorm[4];
+ POINT points[4];
+ BYTE *type;
+ int i, start;
+
+ ASSERT(fabs(angleEnd - angleStart) <= M_PI_2);
- pPath->state=PATH_Null;
- pPath->numEntriesUsed=0;
+ /* FIXME: Is there an easier way of computing this? */
+
+ /* Compute control points */
+ halfAngle = (angleEnd - angleStart) / 2.0;
+ if (fabs(halfAngle) > 1e-8)
+ {
+ a = 4.0 / 3.0 * (1 - cos(halfAngle)) / sin(halfAngle);
+ xNorm[0] = cos(angleStart);
+ yNorm[0] = sin(angleStart);
+ xNorm[1] = xNorm[0] - a * yNorm[0];
+ yNorm[1] = yNorm[0] + a * xNorm[0];
+ xNorm[3] = cos(angleEnd);
+ yNorm[3] = sin(angleEnd);
+ xNorm[2] = xNorm[3] + a * yNorm[3];
+ yNorm[2] = yNorm[3] - a * xNorm[3];
+ }
+ else
+ for (i = 0; i < 4; i++)
+ {
+ xNorm[i] = cos(angleStart);
+ yNorm[i] = sin(angleStart);
+ }
+
+ /* Add starting point to path if desired */
+ start = !startEntryType;
+
+ /* Add remaining control points */
+ for (i = start; i < 4; i++) PATH_ScaleNormalizedPoint(corners, xNorm[i], yNorm[i], &points[i]);
+ if (!(type = add_points( pPath, points + start, 4 - start, PT_BEZIERTO ))) return FALSE;
+ if (!start) type[0] = startEntryType;
+
+ return TRUE;
}
-/* PATH_AddEntry
+/* PATH_Arc
*
- * Adds an entry to the path. For "flags", pass either PT_MOVETO, PT_LINETO
- * or PT_BEZIERTO, optionally ORed with PT_CLOSEFIGURE. Returns TRUE if
- * successful, FALSE otherwise (e.g. if not enough memory was available).
+ * Should be called when a call to Arc is performed on a DC that has
+ * an open path. This adds up to five Bezier splines representing the arc
+ * to the path. When 'lines' is 1, we add 1 extra line to get a chord,
+ * when 'lines' is 2, we add 2 extra lines to get a pie, and when 'lines' is
+ * -1 we add 1 extra line from the current DC position to the starting position
+ * of the arc before drawing the arc itself (arcto). Returns TRUE if successful,
+ * else FALSE.
*/
BOOL
FASTCALL
-PATH_AddEntry ( PPATH pPath, const POINT *pPoint, BYTE flags )
+PATH_Arc(
+ PDC dc,
+ INT x1,
+ INT y1,
+ INT x2,
+ INT y2,
+ INT xStart,
+ INT yStart,
+ INT xEnd,
+ INT yEnd,
+ INT direction,
+ INT lines)
{
- ASSERT(pPath!=NULL);
+ double angleStart, angleEnd, angleStartQuadrant, angleEndQuadrant = 0.0;
+ /* Initialize angleEndQuadrant to silence gcc's warning */
+ double x, y;
+ FLOAT_POINT corners[2], pointStart, pointEnd;
+ POINT centre, pointCurPos;
+ BOOL start, end, Ret = TRUE;
+ INT temp;
+ BOOL clockwise;
+ PPATH pPath;
+
+ /* FIXME: This function should check for all possible error returns */
+ /* FIXME: Do we have to respect newStroke? */
+
+ ASSERT(dc);
+
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath) return FALSE;
- /* FIXME: If newStroke is true, perhaps we want to check that we're
- * getting a PT_MOVETO
- */
+ if (direction)
+ clockwise = ((direction == AD_CLOCKWISE) !=0 );
+ else
+ clockwise = ((dc->dclevel.flPath & DCPATH_CLOCKWISE) != 0);
- /* Check that path is open */
- if ( pPath->state != PATH_Open )
- return FALSE;
+ /* Check for zero height / width */
+ /* FIXME: Only in GM_COMPATIBLE? */
+ if (x1 == x2 || y1 == y2)
+ {
+ Ret = TRUE;
+ goto ArcExit;
+ }
+ /* Convert points to device coordinates */
+ corners[0].x = (FLOAT)x1;
+ corners[0].y = (FLOAT)y1;
+ corners[1].x = (FLOAT)x2;
+ corners[1].y = (FLOAT)y2;
+ pointStart.x = (FLOAT)xStart;
+ pointStart.y = (FLOAT)yStart;
+ pointEnd.x = (FLOAT)xEnd;
+ pointEnd.y = (FLOAT)yEnd;
+ INTERNAL_LPTODP_FLOAT(dc, corners);
+ INTERNAL_LPTODP_FLOAT(dc, corners + 1);
+ INTERNAL_LPTODP_FLOAT(dc, &pointStart);
+ INTERNAL_LPTODP_FLOAT(dc, &pointEnd);
+
+ /* Make sure first corner is top left and second corner is bottom right */
+ if (corners[0].x > corners[1].x)
+ {
+ temp = corners[0].x;
+ corners[0].x = corners[1].x;
+ corners[1].x = temp;
+ }
+ if (corners[0].y > corners[1].y)
+ {
+ temp = corners[0].y;
+ corners[0].y = corners[1].y;
+ corners[1].y = temp;
+ }
- /* Reserve enough memory for an extra path entry */
- if ( !PATH_ReserveEntries(pPath, pPath->numEntriesUsed+1) )
- return FALSE;
+ /* Compute start and end angle */
+ PATH_NormalizePoint(corners, &pointStart, &x, &y);
+ angleStart = atan2(y, x);
+ PATH_NormalizePoint(corners, &pointEnd, &x, &y);
+ angleEnd = atan2(y, x);
+
+ /* Make sure the end angle is "on the right side" of the start angle */
+ if (clockwise)
+ {
+ if (angleEnd <= angleStart)
+ {
+ angleEnd += 2 * M_PI;
+ ASSERT(angleEnd >= angleStart);
+ }
+ }
+ else
+ {
+ if (angleEnd >= angleStart)
+ {
+ angleEnd -= 2 * M_PI;
+ ASSERT(angleEnd <= angleStart);
+ }
+ }
+
+ /* In GM_COMPATIBLE, don't include bottom and right edges */
+ if (dc->pdcattr->iGraphicsMode == GM_COMPATIBLE)
+ {
+ corners[1].x--;
+ corners[1].y--;
+ }
- /* Store information in path entry */
- pPath->pPoints[pPath->numEntriesUsed]=*pPoint;
- pPath->pFlags[pPath->numEntriesUsed]=flags;
+ /* arcto: Add a PT_MOVETO only if this is the first entry in a stroke */
+ if (lines == GdiTypeArcTo && pPath->newStroke) // -1
+ {
+ pPath->newStroke = FALSE;
+ IntGetCurrentPositionEx(dc, &pointCurPos);
+ CoordLPtoDP(dc, &pointCurPos);
+ if (!PATH_AddEntry(pPath, &pointCurPos, PT_MOVETO))
+ {
+ Ret = FALSE;
+ goto ArcExit;
+ }
+ }
- /* If this is PT_CLOSEFIGURE, we have to start a new stroke next time */
- if((flags & PT_CLOSEFIGURE) == PT_CLOSEFIGURE)
- pPath->newStroke=TRUE;
+ /* Add the arc to the path with one Bezier spline per quadrant that the
+ * arc spans */
+ start = TRUE;
+ end = FALSE;
+ do
+ {
+ /* Determine the start and end angles for this quadrant */
+ if (start)
+ {
+ angleStartQuadrant = angleStart;
+ if (clockwise)
+ angleEndQuadrant = (floor(angleStart / M_PI_2) + 1.0) * M_PI_2;
+ else
+ angleEndQuadrant = (ceil(angleStart / M_PI_2) - 1.0) * M_PI_2;
+ }
+ else
+ {
+ angleStartQuadrant = angleEndQuadrant;
+ if (clockwise)
+ angleEndQuadrant += M_PI_2;
+ else
+ angleEndQuadrant -= M_PI_2;
+ }
- /* Increment entry count */
- pPath->numEntriesUsed++;
+ /* Have we reached the last part of the arc? */
+ if ((clockwise && angleEnd < angleEndQuadrant) ||
+ (!clockwise && angleEnd > angleEndQuadrant))
+ {
+ /* Adjust the end angle for this quadrant */
+ angleEndQuadrant = angleEnd;
+ end = TRUE;
+ }
- return TRUE;
+ /* Add the Bezier spline to the path */
+ PATH_DoArcPart(pPath,
+ corners,
+ angleStartQuadrant,
+ angleEndQuadrant,
+ start ? (lines == GdiTypeArcTo ? PT_LINETO : PT_MOVETO) : FALSE); // -1
+ start = FALSE;
+ }
+ while (!end);
+
+ if (lines == GdiTypeArcTo)
+ {
+ update_current_pos( pPath );
+ }
+ else /* chord: close figure. pie: add line and close figure */
+ if (lines == GdiTypeChord) // 1
+ {
+ IntGdiCloseFigure(pPath);
+ }
+ else if (lines == GdiTypePie) // 2
+ {
+ centre.x = (corners[0].x + corners[1].x) / 2;
+ centre.y = (corners[0].y + corners[1].y) / 2;
+ if (!PATH_AddEntry(pPath, ¢re, PT_LINETO | PT_CLOSEFIGURE))
+ Ret = FALSE;
+ }
+ArcExit:
+ PATH_UnlockPath(pPath);
+ return Ret;
}
-/* PATH_ReserveEntries
+BOOL
+FASTCALL
+PATH_PolyBezierTo(
+ PDC dc,
+ const POINT *pts,
+ DWORD cbPoints)
+{
+ PPATH pPath;
+ BOOL ret;
+
+ ASSERT(dc);
+ ASSERT(pts);
+ ASSERT(cbPoints);
+
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath) return FALSE;
+
+ ret = add_log_points_new_stroke( dc, pPath, pts, cbPoints, PT_BEZIERTO );
+
+ PATH_UnlockPath(pPath);
+ return ret;
+}
+
+BOOL
+FASTCALL
+PATH_PolyBezier(
+ PDC dc,
+ const POINT *pts,
+ DWORD cbPoints)
+{
+ PPATH pPath;
+ BYTE *type;
+
+ ASSERT(dc);
+ ASSERT(pts);
+ ASSERT(cbPoints);
+
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath) return FALSE;
+
+ type = add_log_points( dc, pPath, pts, cbPoints, PT_BEZIERTO );
+ if (!type) return FALSE;
+
+ type[0] = PT_MOVETO;
+
+ PATH_UnlockPath(pPath);
+ return TRUE;
+}
+
+BOOL
+FASTCALL
+PATH_PolyDraw(
+ PDC dc,
+ const POINT *pts,
+ const BYTE *types,
+ DWORD cbPoints)
+{
+ PPATH pPath;
+ POINT orig_pos, cur_pos;
+ ULONG i, lastmove = 0;
+
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath) return FALSE;
+
+ if (pPath->state != PATH_Open)
+ {
+ PATH_UnlockPath(pPath);
+ return FALSE;
+ }
+
+ for (i = 0; i < pPath->numEntriesUsed; i++) if (pPath->pFlags[i] == PT_MOVETO) lastmove = i;
+ orig_pos = pPath->pos;
+
+ IntGetCurrentPositionEx(dc, &cur_pos);
+
+ DPRINT("PPD : Current pos X %d Y %d\n",pPath->pos.x, pPath->pos.y);
+ DPRINT("PPD : last %d pos X %d Y %d\n",lastmove, pPath->pPoints[lastmove].x, pPath->pPoints[lastmove].y);
+
+
+ for(i = 0; i < cbPoints; i++)
+ {
+ switch (types[i])
+ {
+ case PT_MOVETO:
+ pPath->newStroke = TRUE;
+ pPath->pos = pts[i];
+ IntLPtoDP( dc, &pPath->pos, 1);
+ lastmove = pPath->numEntriesUsed;
+ break;
+ case PT_LINETO:
+ case PT_LINETO | PT_CLOSEFIGURE:
+ if (!add_log_points_new_stroke( dc, pPath, &pts[i], 1, PT_LINETO ))
+ {
+ PATH_UnlockPath(pPath);
+ return FALSE;
+ }
+ break;
+ case PT_BEZIERTO:
+ if ((i + 2 < cbPoints) && (types[i + 1] == PT_BEZIERTO) &&
+ (types[i + 2] & ~PT_CLOSEFIGURE) == PT_BEZIERTO)
+ {
+ if (!add_log_points_new_stroke( dc, pPath, &pts[i], 3, PT_BEZIERTO ))
+ {
+ PATH_UnlockPath(pPath);
+ return FALSE;
+ }
+ i += 2;
+ break;
+ }
+ /* fall through */
+ default:
+ /* restore original position */
+ pPath->pos = orig_pos;
+
+ DPRINT("PPD Bad : pos X %d Y %d\n",pPath->pos.x, pPath->pos.y);
+
+ IntGdiMoveToEx(dc, cur_pos.x, cur_pos.y, NULL);
+
+ PATH_UnlockPath(pPath);
+ return FALSE;
+ }
+
+ if (types[i] & PT_CLOSEFIGURE)
+ {
+ close_figure( pPath );
+ pPath->pos = pPath->pPoints[lastmove];
+ DPRINT("PPD close : pos X %d Y %d\n",pPath->pos.x, pPath->pos.y);
+ }
+ }
+ PATH_UnlockPath(pPath);
+ return TRUE;
+}
+
+BOOL
+FASTCALL
+PATH_PolylineTo(
+ PDC dc,
+ const POINT *pts,
+ DWORD cbPoints)
+{
+ PPATH pPath;
+ BOOL ret;
+
+ ASSERT(dc);
+ ASSERT(pts);
+ ASSERT(cbPoints);
+
+ if (cbPoints < 1) return FALSE;
+
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath) return FALSE;
+
+ ret = add_log_points_new_stroke( dc, pPath, pts, cbPoints, PT_LINETO );
+ PATH_UnlockPath(pPath);
+ return ret;
+}
+
+BOOL
+FASTCALL
+PATH_PolyPolygon(
+ PDC dc,
+ const POINT* pts,
+ const INT* counts,
+ UINT polygons)
+{
+ UINT poly, count;
+ BYTE *type;
+ PPATH pPath;
+
+ ASSERT(dc);
+ ASSERT(pts);
+ ASSERT(counts);
+ ASSERT(polygons);
+
+ if (!polygons) return FALSE;
+
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath) return FALSE;
+
+
+ for (poly = count = 0; poly < polygons; poly++)
+ {
+ if (counts[poly] < 2)
+ {
+ PATH_UnlockPath(pPath);
+ return FALSE;
+ }
+ count += counts[poly];
+ }
+
+ type = add_log_points( dc, pPath, pts, count, PT_LINETO );
+ if (!type)
+ {
+ PATH_UnlockPath(pPath);
+ return FALSE;
+ }
+
+ /* make the first point of each polyline a PT_MOVETO, and close the last one */
+ for (poly = 0; poly < polygons; type += counts[poly++])
+ {
+ type[0] = PT_MOVETO;
+ type[counts[poly] - 1] = PT_LINETO | PT_CLOSEFIGURE;
+ }
+ PATH_UnlockPath(pPath);
+ return TRUE;
+}
+
+BOOL
+FASTCALL
+PATH_PolyPolyline(
+ PDC dc,
+ const POINT* pts,
+ const DWORD* counts,
+ DWORD polylines)
+{
+ POINT pt;
+ ULONG poly, point, i;
+ PPATH pPath;
+
+ ASSERT(dc);
+ ASSERT(pts);
+ ASSERT(counts);
+ ASSERT(polylines);
+
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath)
+ {
+ return FALSE;
+ }
+
+ for (i = 0, poly = 0; poly < polylines; poly++)
+ {
+ for (point = 0; point < counts[poly]; point++, i++)
+ {
+ pt = pts[i];
+ CoordLPtoDP(dc, &pt);
+ PATH_AddEntry(pPath, &pt, (point == 0) ? PT_MOVETO : PT_LINETO);
+ }
+ }
+ DPRINT("PATH_PolyPolyline end count %d\n",pPath->numEntriesUsed);
+ PATH_UnlockPath(pPath);
+ return TRUE;
+}
+
+/* PATH_AddFlatBezier
*
- * Ensures that at least "numEntries" entries (for points and flags) have
- * been allocated; allocates larger arrays and copies the existing entries
- * to those arrays, if necessary. Returns TRUE if successful, else FALSE.
*/
BOOL
FASTCALL
-PATH_ReserveEntries ( PPATH pPath, INT numEntries )
+PATH_AddFlatBezier(
+ PPATH pPath,
+ POINT *pt,
+ BOOL closed)
+{
+ POINT *pts;
+ BOOL ret = FALSE;
+ INT no, i;
+
+ pts = GDI_Bezier(pt, 4, &no);
+ if (!pts) return FALSE;
+
+ for (i = 1; i < no; i++)
+ {
+ if (!(ret = PATH_AddEntry(pPath, &pts[i], (i == no - 1 && closed) ? PT_LINETO | PT_CLOSEFIGURE : PT_LINETO)))
+ break;
+ }
+
+ ExFreePoolWithTag(pts, TAG_BEZIER);
+ return ret;
+}
+
+/* PATH_FlattenPath
+ *
+ * Replaces Beziers with line segments
+ *
+ */
+PPATH
+FASTCALL
+PATH_FlattenPath(PPATH pPath)
+{
+ PPATH newPath;
+ INT srcpt;
+ DPRINT("PATH_FlattenPath\n");
+ if (!(newPath = PATH_CreatePath(pPath->numEntriesUsed))) return NULL;
+
+ for (srcpt = 0; srcpt < pPath->numEntriesUsed; srcpt++)
+ {
+ switch(pPath->pFlags[srcpt] & ~PT_CLOSEFIGURE)
+ {
+ case PT_MOVETO:
+ case PT_LINETO:
+ if (!PATH_AddEntry(newPath, &pPath->pPoints[srcpt], pPath->pFlags[srcpt]))
+ {
+ PATH_UnlockPath(newPath);
+ PATH_Delete(newPath->BaseObject.hHmgr);
+ return NULL;
+ }
+ break;
+ case PT_BEZIERTO:
+ if(!PATH_AddFlatBezier(newPath, &pPath->pPoints[srcpt - 1], pPath->pFlags[srcpt + 2] & PT_CLOSEFIGURE))
+ {
+ PATH_UnlockPath(newPath);
+ PATH_Delete(newPath->BaseObject.hHmgr);
+ return NULL;
+ }
+ srcpt += 2;
+ break;
+ }
+ }
+ DPRINT("PATH_FlattenPath good\n");
+ newPath->state = pPath->state;
+ return newPath;
+}
+
+/* PATH_PathToRegion
+ *
+ * Creates a region from the specified path using the specified polygon
+ * filling mode. The path is left unchanged. A handle to the region that
+ * was created is stored in *pHrgn.
+ */
+BOOL
+FASTCALL
+PATH_PathToRegion(
+ PPATH pPath,
+ INT Mode,
+ PREGION Rgn)
{
- INT numEntriesToAllocate;
- POINT *pPointsNew;
- BYTE *pFlagsNew;
+ int i, pos, polygons;
+ PULONG counts;
+ int Ret;
- ASSERT(pPath!=NULL);
- ASSERT(numEntries>=0);
-
- /* Do we have to allocate more memory? */
- if(numEntries > pPath->numEntriesAllocated)
- {
- /* Find number of entries to allocate. We let the size of the array
- * grow exponentially, since that will guarantee linear time
- * complexity. */
- if(pPath->numEntriesAllocated)
- {
- numEntriesToAllocate=pPath->numEntriesAllocated;
- while(numEntriesToAllocate<numEntries)
- numEntriesToAllocate=numEntriesToAllocate*GROW_FACTOR_NUMER/GROW_FACTOR_DENOM;
- } else
- numEntriesToAllocate=numEntries;
+ if (!pPath->numEntriesUsed) return FALSE;
- /* Allocate new arrays */
- pPointsNew=(POINT *)ExAllocatePoolWithTag(PagedPool, numEntriesToAllocate * sizeof(POINT), TAG_PATH);
- if(!pPointsNew)
- return FALSE;
- pFlagsNew=(BYTE *)ExAllocatePoolWithTag(PagedPool, numEntriesToAllocate * sizeof(BYTE), TAG_PATH);
- if(!pFlagsNew)
+ counts = ExAllocatePoolWithTag(PagedPool, (pPath->numEntriesUsed / 2) * sizeof(counts), TAG_PATH);
+ if (!counts)
{
- ExFreePoolWithTag(pPointsNew, TAG_PATH);
- return FALSE;
+ DPRINT1("Failed to allocate %lu strokes\n", (pPath->numEntriesUsed / 2) * sizeof(*counts));
+ EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
+ return FALSE;
}
- /* Copy old arrays to new arrays and discard old arrays */
- if(pPath->pPoints)
+ pos = polygons = 0;
+ ASSERT( pPath->pFlags[0] == PT_MOVETO );
+ for (i = 1; i < pPath->numEntriesUsed; i++)
{
- ASSERT(pPath->pFlags);
+ if (pPath->pFlags[i] != PT_MOVETO) continue;
+ counts[polygons++] = i - pos;
+ pos = i;
+ }
+ if (i > pos + 1) counts[polygons++] = i - pos;
- memcpy(pPointsNew, pPath->pPoints, sizeof(POINT)*pPath->numEntriesUsed);
- memcpy(pFlagsNew, pPath->pFlags, sizeof(BYTE)*pPath->numEntriesUsed);
+ ASSERT( polygons <= pPath->numEntriesUsed / 2 );
- ExFreePoolWithTag(pPath->pPoints, TAG_PATH);
- ExFreePoolWithTag(pPath->pFlags, TAG_PATH);
+ /* Fill the region with the strokes */
+ Ret = REGION_SetPolyPolygonRgn(Rgn,
+ pPath->pPoints,
+ counts,
+ polygons,
+ Mode);
+ if (!Ret)
+ {
+ DPRINT1("REGION_SetPolyPolygonRgn failed\n");
}
- pPath->pPoints=pPointsNew;
- pPath->pFlags=pFlagsNew;
- pPath->numEntriesAllocated=numEntriesToAllocate;
- }
- return TRUE;
+ ExFreePoolWithTag(counts, TAG_PATH);
+
+ /* Success! */
+ return Ret;
}
-/* PATH_DoArcPart
+/* PATH_FillPath
+ *
+ * You can play with this as long as you like, but if you break Area.exe the purge will Begain on Path!!!
*
- * Creates a Bezier spline that corresponds to part of an arc and appends the
- * corresponding points to the path. The start and end angles are passed in
- * "angleStart" and "angleEnd"; these angles should span a quarter circle
- * at most. If "startEntryType" is non-zero, an entry of that type for the first
- * control point is added to the path; otherwise, it is assumed that the current
- * position is equal to the first control point.
*/
BOOL
FASTCALL
-PATH_DoArcPart ( PPATH pPath, FLOAT_POINT corners[],
- double angleStart, double angleEnd, BYTE startEntryType )
+PATH_FillPath(
+ PDC dc,
+ PPATH pPath)
{
- double halfAngle, a;
- double xNorm[4], yNorm[4];
- POINT point;
- int i;
-
- ASSERT(fabs(angleEnd-angleStart)<=M_PI_2);
-
- /* FIXME: Is there an easier way of computing this? */
-
- /* Compute control points */
- halfAngle=(angleEnd-angleStart)/2.0;
- if(fabs(halfAngle)>1e-8)
- {
- a=4.0/3.0*(1-cos(halfAngle))/sin(halfAngle);
- xNorm[0]=cos(angleStart);
- yNorm[0]=sin(angleStart);
- xNorm[1]=xNorm[0] - a*yNorm[0];
- yNorm[1]=yNorm[0] + a*xNorm[0];
- xNorm[3]=cos(angleEnd);
- yNorm[3]=sin(angleEnd);
- xNorm[2]=xNorm[3] + a*yNorm[3];
- yNorm[2]=yNorm[3] - a*xNorm[3];
- } else
- for(i=0; i<4; i++)
- {
- xNorm[i]=cos(angleStart);
- yNorm[i]=sin(angleStart);
- }
-
- /* Add starting point to path if desired */
- if(startEntryType)
- {
- PATH_ScaleNormalizedPoint(corners, xNorm[0], yNorm[0], &point);
- if(!PATH_AddEntry(pPath, &point, startEntryType))
- return FALSE;
- }
-
- /* Add remaining control points */
- for(i=1; i<4; i++)
- {
- PATH_ScaleNormalizedPoint(corners, xNorm[i], yNorm[i], &point);
- if(!PATH_AddEntry(pPath, &point, PT_BEZIERTO))
- return FALSE;
- }
-
- return TRUE;
+ return PATH_FillPathEx(dc, pPath, NULL);
}
-/* PATH_ScaleNormalizedPoint
- *
- * Scales a normalized point (x, y) with respect to the box whose corners are
- * passed in "corners". The point is stored in "*pPoint". The normalized
- * coordinates (-1.0, -1.0) correspond to corners[0], the coordinates
- * (1.0, 1.0) correspond to corners[1].
- */
-VOID
+BOOL
FASTCALL
-PATH_ScaleNormalizedPoint ( FLOAT_POINT corners[], double x,
- double y, POINT *pPoint )
+PATH_FillPathEx(
+ PDC dc,
+ PPATH pPath,
+ PBRUSH pbrFill)
{
- ASSERT ( corners );
- ASSERT ( pPoint );
- pPoint->x=GDI_ROUND( (double)corners[0].x + (double)(corners[1].x-corners[0].x)*0.5*(x+1.0) );
- pPoint->y=GDI_ROUND( (double)corners[0].y + (double)(corners[1].y-corners[0].y)*0.5*(y+1.0) );
-}
+ INT mapMode, graphicsMode;
+ SIZE ptViewportExt, ptWindowExt;
+ POINTL ptViewportOrg, ptWindowOrg;
+ XFORML xform;
+ PREGION Rgn;
+ PDC_ATTR pdcattr = dc->pdcattr;
-/* PATH_NormalizePoint
- *
- * Normalizes a point with respect to the box whose corners are passed in
- * corners. The normalized coordinates are stored in *pX and *pY.
- */
-VOID
-FASTCALL
-PATH_NormalizePoint ( FLOAT_POINT corners[],
- const FLOAT_POINT *pPoint,
- double *pX, double *pY)
-{
- ASSERT ( corners );
- ASSERT ( pPoint );
- ASSERT ( pX );
- ASSERT ( pY );
- *pX=(double)(pPoint->x-corners[0].x)/(double)(corners[1].x-corners[0].x) * 2.0 - 1.0;
- *pY=(double)(pPoint->y-corners[0].y)/(double)(corners[1].y-corners[0].y) * 2.0 - 1.0;
-}
+ /* Allocate a temporary region */
+ Rgn = IntSysCreateRectpRgn(0, 0, 0, 0);
+ if (!Rgn)
+ {
+ EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
+ return FALSE;
+ }
+
+ if (!PATH_PathToRegion(pPath, pdcattr->jFillMode, Rgn))
+ {
+ DPRINT("PFP : Fail P2R\n");
+ /* EngSetLastError ? */
+ REGION_Delete(Rgn);
+ return FALSE;
+ }
+
+ /* Since PaintRgn interprets the region as being in logical coordinates
+ * but the points we store for the path are already in device
+ * coordinates, we have to set the mapping mode to MM_TEXT temporarily.
+ * Using SaveDC to save information about the mapping mode / world
+ * transform would be easier but would require more overhead, especially
+ * now that SaveDC saves the current path.
+ */
+
+ /* Save the information about the old mapping mode */
+ mapMode = pdcattr->iMapMode;
+ ptViewportExt = pdcattr->szlViewportExt;
+ ptViewportOrg = pdcattr->ptlViewportOrg;
+ ptWindowExt = pdcattr->szlWindowExt;
+ ptWindowOrg = pdcattr->ptlWindowOrg;
+
+ /* Save world transform
+ * NB: The Windows documentation on world transforms would lead one to
+ * believe that this has to be done only in GM_ADVANCED; however, my
+ * tests show that resetting the graphics mode to GM_COMPATIBLE does
+ * not reset the world transform.
+ */
+ MatrixS2XForm(&xform, &dc->pdcattr->mxWorldToPage);
+
+ /* Set MM_TEXT */
+ IntGdiSetMapMode(dc, MM_TEXT);
+ pdcattr->ptlViewportOrg.x = 0;
+ pdcattr->ptlViewportOrg.y = 0;
+ pdcattr->ptlWindowOrg.x = 0;
+ pdcattr->ptlWindowOrg.y = 0;
+
+ graphicsMode = pdcattr->iGraphicsMode;
+ pdcattr->iGraphicsMode = GM_ADVANCED;
+ GreModifyWorldTransform(dc, &xform, MWT_IDENTITY);
+ pdcattr->iGraphicsMode = graphicsMode;
+
+ /* Paint the region */
+ IntGdiFillRgn(dc, Rgn, pbrFill);
+ REGION_Delete(Rgn);
+ /* Restore the old mapping mode */
+ IntGdiSetMapMode(dc, mapMode);
+ pdcattr->szlViewportExt = ptViewportExt;
+ pdcattr->ptlViewportOrg = ptViewportOrg;
+ pdcattr->szlWindowExt = ptWindowExt;
+ pdcattr->ptlWindowOrg = ptWindowOrg;
+ /* Go to GM_ADVANCED temporarily to restore the world transform */
+ graphicsMode = pdcattr->iGraphicsMode;
+ pdcattr->iGraphicsMode = GM_ADVANCED;
+ GreModifyWorldTransform(dc, &xform, MWT_SET);
+ pdcattr->iGraphicsMode = graphicsMode;
+ return TRUE;
+}
-BOOL FASTCALL PATH_StrokePath(DC *dc, PPATH pPath)
+BOOL
+FASTCALL
+PATH_StrokePath(
+ DC *dc,
+ PPATH pPath)
{
BOOL ret = FALSE;
- INT i=0;
+ INT i = 0;
INT nLinePts, nAlloc;
POINT *pLinePts = NULL;
POINT ptViewportOrg, ptWindowOrg;
DPRINT("Enter %s\n", __FUNCTION__);
- if (pPath->state != PATH_Closed)
- return FALSE;
-
/* Save the mapping mode info */
mapMode = pdcattr->iMapMode;
* space in case we get one to keep the number of reallocations small. */
nAlloc = pPath->numEntriesUsed + 1 + 300;
pLinePts = ExAllocatePoolWithTag(PagedPool, nAlloc * sizeof(POINT), TAG_PATH);
- if(!pLinePts)
+ if (!pLinePts)
{
DPRINT1("Can't allocate pool!\n");
EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
}
nLinePts = 0;
- for(i = 0; i < pPath->numEntriesUsed; i++)
+ for (i = 0; i < pPath->numEntriesUsed; i++)
{
- if((i == 0 || (pPath->pFlags[i-1] & PT_CLOSEFIGURE))
+ if ((i == 0 || (pPath->pFlags[i - 1] & PT_CLOSEFIGURE))
&& (pPath->pFlags[i] != PT_MOVETO))
{
DPRINT1("Expected PT_MOVETO %s, got path flag %d\n",
- i == 0 ? "as first point" : "after PT_CLOSEFIGURE",
- (INT)pPath->pFlags[i]);
- goto end;
+ i == 0 ? "as first point" : "after PT_CLOSEFIGURE",
+ (INT)pPath->pFlags[i]);
+ goto end;
}
switch(pPath->pFlags[i])
{
- case PT_MOVETO:
- DPRINT("Got PT_MOVETO (%ld, %ld)\n",
- pPath->pPoints[i].x, pPath->pPoints[i].y);
- if(nLinePts >= 2) IntGdiPolyline(dc, pLinePts, nLinePts);
- nLinePts = 0;
- pLinePts[nLinePts++] = pPath->pPoints[i];
- break;
- case PT_LINETO:
- case (PT_LINETO | PT_CLOSEFIGURE):
- DPRINT("Got PT_LINETO (%ld, %ld)\n",
- pPath->pPoints[i].x, pPath->pPoints[i].y);
- pLinePts[nLinePts++] = pPath->pPoints[i];
- break;
- case PT_BEZIERTO:
- DPRINT("Got PT_BEZIERTO\n");
- if(pPath->pFlags[i+1] != PT_BEZIERTO ||
- (pPath->pFlags[i+2] & ~PT_CLOSEFIGURE) != PT_BEZIERTO)
- {
- DPRINT1("Path didn't contain 3 successive PT_BEZIERTOs\n");
- ret = FALSE;
- goto end;
- }
- else
- {
- INT nBzrPts, nMinAlloc;
- POINT *pBzrPts = GDI_Bezier(&pPath->pPoints[i-1], 4, &nBzrPts);
- /* Make sure we have allocated enough memory for the lines of
- * this bezier and the rest of the path, assuming we won't get
- * another one (since we won't reallocate again then). */
- nMinAlloc = nLinePts + (pPath->numEntriesUsed - i) + nBzrPts;
- if(nAlloc < nMinAlloc)
+ case PT_MOVETO:
+ DPRINT("Got PT_MOVETO (%ld, %ld)\n",
+ pPath->pPoints[i].x, pPath->pPoints[i].y);
+ if (nLinePts >= 2) IntGdiPolyline(dc, pLinePts, nLinePts);
+ nLinePts = 0;
+ pLinePts[nLinePts++] = pPath->pPoints[i];
+ break;
+ case PT_LINETO:
+ case (PT_LINETO | PT_CLOSEFIGURE):
+ DPRINT("Got PT_LINETO (%ld, %ld)\n",
+ pPath->pPoints[i].x, pPath->pPoints[i].y);
+ pLinePts[nLinePts++] = pPath->pPoints[i];
+ break;
+ case PT_BEZIERTO:
+ DPRINT("Got PT_BEZIERTO\n");
+ if (pPath->pFlags[i + 1] != PT_BEZIERTO ||
+ (pPath->pFlags[i + 2] & ~PT_CLOSEFIGURE) != PT_BEZIERTO)
+ {
+ DPRINT1("Path didn't contain 3 successive PT_BEZIERTOs\n");
+ ret = FALSE;
+ goto end;
+ }
+ else
{
- // Reallocate memory
+ INT nBzrPts, nMinAlloc;
+ POINT *pBzrPts = GDI_Bezier(&pPath->pPoints[i - 1], 4, &nBzrPts);
+ /* Make sure we have allocated enough memory for the lines of
+ * this bezier and the rest of the path, assuming we won't get
+ * another one (since we won't reallocate again then). */
+ nMinAlloc = nLinePts + (pPath->numEntriesUsed - i) + nBzrPts;
+ if (nAlloc < nMinAlloc)
+ {
+ // Reallocate memory
- POINT *Realloc = NULL;
- nAlloc = nMinAlloc * 2;
+ POINT *Realloc = NULL;
+ nAlloc = nMinAlloc * 2;
- Realloc = ExAllocatePoolWithTag(PagedPool,
- nAlloc * sizeof(POINT),
- TAG_PATH);
+ Realloc = ExAllocatePoolWithTag(PagedPool,
+ nAlloc * sizeof(POINT),
+ TAG_PATH);
- if(!Realloc)
- {
- DPRINT1("Can't allocate pool!\n");
- goto end;
- }
+ if (!Realloc)
+ {
+ DPRINT1("Can't allocate pool!\n");
+ ExFreePoolWithTag(pBzrPts, TAG_BEZIER);
+ goto end;
+ }
- memcpy(Realloc, pLinePts, nLinePts*sizeof(POINT));
- ExFreePoolWithTag(pLinePts, TAG_PATH);
- pLinePts = Realloc;
+ memcpy(Realloc, pLinePts, nLinePts * sizeof(POINT));
+ ExFreePoolWithTag(pLinePts, TAG_PATH);
+ pLinePts = Realloc;
+ }
+ memcpy(&pLinePts[nLinePts], &pBzrPts[1], (nBzrPts - 1) * sizeof(POINT));
+ nLinePts += nBzrPts - 1;
+ ExFreePoolWithTag(pBzrPts, TAG_BEZIER);
+ i += 2;
}
- memcpy(&pLinePts[nLinePts], &pBzrPts[1], (nBzrPts - 1) * sizeof(POINT));
- nLinePts += nBzrPts - 1;
- ExFreePoolWithTag(pBzrPts, TAG_BEZIER);
- i += 2;
- }
- break;
- default:
- DPRINT1("Got path flag %d (not supported)\n", (INT)pPath->pFlags[i]);
- goto end;
+ break;
+ default:
+ DPRINT1("Got path flag %d (not supported)\n", (INT)pPath->pFlags[i]);
+ goto end;
}
- if(pPath->pFlags[i] & PT_CLOSEFIGURE)
+ if (pPath->pFlags[i] & PT_CLOSEFIGURE)
{
pLinePts[nLinePts++] = pLinePts[0];
}
}
- if(nLinePts >= 2)
+ if (nLinePts >= 2)
IntGdiPolyline(dc, pLinePts, nLinePts);
ret = TRUE;
end:
- if(pLinePts) ExFreePoolWithTag(pLinePts, TAG_PATH);
+ if (pLinePts) ExFreePoolWithTag(pLinePts, TAG_PATH);
/* Restore the old mapping mode */
pdcattr->iMapMode = mapMode;
dc->CurPosX|Y so that their values are in the correct mapping
mode.
*/
- if(i > 0)
+ if (i > 0)
{
POINT pt;
IntGetCurrentPositionEx(dc, &pt);
IntDPtoLP(dc, &pt, 1);
- IntGdiMoveToEx(dc, pt.x, pt.y, NULL, FALSE);
+ IntGdiMoveToEx(dc, pt.x, pt.y, NULL);
}
DPRINT("Leave %s, ret=%d\n", __FUNCTION__, ret);
return ret;
#define round(x) ((int)((x)>0?(x)+0.5:(x)-0.5))
-static
-BOOL
-FASTCALL
-PATH_WidenPath(DC *dc)
+PPATH FASTCALL
+IntGdiWidenPath(PPATH pPath, UINT penWidth, UINT penStyle, FLOAT eMiterLimit)
{
- INT i, j, numStrokes, numOldStrokes, penWidth, penWidthIn, penWidthOut, size, penStyle;
- BOOL ret = FALSE;
- PPATH pPath, pNewPath, *pStrokes = NULL, *pOldStrokes, pUpPath, pDownPath;
- EXTLOGPEN *elp;
- DWORD obj_type, joint, endcap, penType;
- PDC_ATTR pdcattr = dc->pdcattr;
-
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath) return FALSE;
-
- if(pPath->state == PATH_Open)
- {
- PATH_UnlockPath( pPath );
- EngSetLastError(ERROR_CAN_NOT_COMPLETE);
- return FALSE;
- }
-
- PATH_FlattenPath(pPath);
-
- size = GreGetObject( pdcattr->hpen, 0, NULL);
- if (!size)
- {
- PATH_UnlockPath( pPath );
- EngSetLastError(ERROR_CAN_NOT_COMPLETE);
- return FALSE;
- }
-
- elp = ExAllocatePoolWithTag(PagedPool, size, TAG_PATH);
- GreGetObject(pdcattr->hpen, size, elp);
-
- obj_type = GDI_HANDLE_GET_TYPE(pdcattr->hpen);
- if(obj_type == GDI_OBJECT_TYPE_PEN)
- {
- penStyle = ((LOGPEN*)elp)->lopnStyle;
- }
- else if(obj_type == GDI_OBJECT_TYPE_EXTPEN)
- {
- penStyle = elp->elpPenStyle;
- }
- else
- {
- EngSetLastError(ERROR_CAN_NOT_COMPLETE);
- ExFreePoolWithTag(elp, TAG_PATH);
- PATH_UnlockPath( pPath );
- return FALSE;
- }
-
- penWidth = elp->elpWidth;
- ExFreePoolWithTag(elp, TAG_PATH);
+ INT i, j, numStrokes, numOldStrokes, penWidthIn, penWidthOut;
+ PPATH flat_path, pNewPath, *pStrokes = NULL, *pOldStrokes, pUpPath, pDownPath;
+ BYTE *type;
+ DWORD joint, endcap;
endcap = (PS_ENDCAP_MASK & penStyle);
joint = (PS_JOIN_MASK & penStyle);
- penType = (PS_TYPE_MASK & penStyle);
- /* The function cannot apply to cosmetic pens */
- if(obj_type == GDI_OBJECT_TYPE_EXTPEN && penType == PS_COSMETIC)
+ if (!(flat_path = PATH_FlattenPath(pPath)))
{
- PATH_UnlockPath( pPath );
- EngSetLastError(ERROR_CAN_NOT_COMPLETE);
- return FALSE;
+ DPRINT1("PATH_FlattenPath\n");
+ return NULL;
}
penWidthIn = penWidth / 2;
penWidthOut = penWidth / 2;
- if(penWidthIn + penWidthOut < penWidth)
+ if (penWidthIn + penWidthOut < penWidth)
penWidthOut++;
numStrokes = 0;
- for(i = 0, j = 0; i < pPath->numEntriesUsed; i++, j++)
+ for (i = 0, j = 0; i < flat_path->numEntriesUsed; i++, j++)
{
POINT point;
- if((i == 0 || (pPath->pFlags[i-1] & PT_CLOSEFIGURE)) &&
- (pPath->pFlags[i] != PT_MOVETO))
+ if ((i == 0 || (flat_path->pFlags[i - 1] & PT_CLOSEFIGURE)) &&
+ (flat_path->pFlags[i] != PT_MOVETO))
{
DPRINT1("Expected PT_MOVETO %s, got path flag %c\n",
- i == 0 ? "as first point" : "after PT_CLOSEFIGURE",
- pPath->pFlags[i]);
- return FALSE;
+ i == 0 ? "as first point" : "after PT_CLOSEFIGURE",
+ flat_path->pFlags[i]);
+ if (pStrokes)
+ ExFreePoolWithTag(pStrokes, TAG_PATH);
+ PATH_UnlockPath(flat_path);
+ PATH_Delete(flat_path->BaseObject.hHmgr);
+ return NULL;
}
- switch(pPath->pFlags[i])
+ switch(flat_path->pFlags[i])
{
case PT_MOVETO:
- if(numStrokes > 0)
+ if (numStrokes > 0)
{
pStrokes[numStrokes - 1]->state = PATH_Closed;
}
numStrokes++;
j = 0;
if (numStrokes == 1)
- pStrokes = ExAllocatePoolWithTag(PagedPool, numStrokes * sizeof(PPATH), TAG_PATH);
+ pStrokes = ExAllocatePoolWithTag(PagedPool, sizeof(*pStrokes), TAG_PATH);
else
{
- pOldStrokes = pStrokes; // Save old pointer.
- pStrokes = ExAllocatePoolWithTag(PagedPool, numStrokes * sizeof(PPATH), TAG_PATH);
- if (!pStrokes) return FALSE;
- RtlCopyMemory(pStrokes, pOldStrokes, numOldStrokes * sizeof(PPATH));
- ExFreePoolWithTag(pOldStrokes, TAG_PATH); // Free old pointer.
+ pOldStrokes = pStrokes; // Save old pointer.
+ pStrokes = ExAllocatePoolWithTag(PagedPool, numStrokes * sizeof(*pStrokes), TAG_PATH);
+ if (!pStrokes)
+ {
+ PATH_UnlockPath(flat_path);
+ PATH_Delete(flat_path->BaseObject.hHmgr);
+ return NULL;
+ }
+ RtlCopyMemory(pStrokes, pOldStrokes, numOldStrokes * sizeof(PPATH));
+ ExFreePoolWithTag(pOldStrokes, TAG_PATH); // Free old pointer.
+ }
+ if (!pStrokes)
+ {
+ PATH_UnlockPath(flat_path);
+ PATH_Delete(flat_path->BaseObject.hHmgr);
+ return NULL;
}
- if (!pStrokes) return FALSE;
pStrokes[numStrokes - 1] = ExAllocatePoolWithTag(PagedPool, sizeof(PATH), TAG_PATH);
if (!pStrokes[numStrokes - 1])
{
ASSERT(FALSE); // FIXME
}
-
PATH_InitGdiPath(pStrokes[numStrokes - 1]);
pStrokes[numStrokes - 1]->state = PATH_Open;
case PT_LINETO:
case (PT_LINETO | PT_CLOSEFIGURE):
- point.x = pPath->pPoints[i].x;
- point.y = pPath->pPoints[i].y;
- PATH_AddEntry(pStrokes[numStrokes - 1], &point, pPath->pFlags[i]);
+ point.x = flat_path->pPoints[i].x;
+ point.y = flat_path->pPoints[i].y;
+ PATH_AddEntry(pStrokes[numStrokes - 1], &point, flat_path->pFlags[i]);
break;
case PT_BEZIERTO:
/* Should never happen because of the FlattenPath call */
DPRINT1("Should never happen\n");
break;
default:
- DPRINT1("Got path flag %c\n", pPath->pFlags[i]);
- return FALSE;
+ DPRINT1("Got path flag %c\n", flat_path->pFlags[i]);
+ if (pStrokes)
+ ExFreePoolWithTag(pStrokes, TAG_PATH);
+ PATH_UnlockPath(flat_path);
+ PATH_Delete(flat_path->BaseObject.hHmgr);
+ return NULL;
}
}
- pNewPath = ExAllocatePoolWithTag(PagedPool, sizeof(PATH), TAG_PATH);
- if (!pNewPath)
- {
- ASSERT(FALSE); // FIXME
- }
- PATH_InitGdiPath(pNewPath);
- pNewPath->state = PATH_Open;
+ pNewPath = PATH_CreatePath( flat_path->numEntriesUsed );
- for(i = 0; i < numStrokes; i++)
+ for (i = 0; i < numStrokes; i++)
{
pUpPath = ExAllocatePoolWithTag(PagedPool, sizeof(PATH), TAG_PATH);
PATH_InitGdiPath(pUpPath);
PATH_InitGdiPath(pDownPath);
pDownPath->state = PATH_Open;
- for(j = 0; j < pStrokes[i]->numEntriesUsed; j++)
+ for (j = 0; j < pStrokes[i]->numEntriesUsed; j++)
{
/* Beginning or end of the path if not closed */
- if((!(pStrokes[i]->pFlags[pStrokes[i]->numEntriesUsed - 1] & PT_CLOSEFIGURE)) && (j == 0 || j == pStrokes[i]->numEntriesUsed - 1) )
+ if ((!(pStrokes[i]->pFlags[pStrokes[i]->numEntriesUsed - 1] & PT_CLOSEFIGURE)) && (j == 0 || j == pStrokes[i]->numEntriesUsed - 1))
{
/* Compute segment angle */
double xo, yo, xa, ya, theta;
POINT pt;
FLOAT_POINT corners[2];
- if(j == 0)
+ if (j == 0)
{
xo = pStrokes[i]->pPoints[j].x;
yo = pStrokes[i]->pPoints[j].y;
xo = pStrokes[i]->pPoints[j].x;
yo = pStrokes[i]->pPoints[j].y;
}
- theta = atan2( ya - yo, xa - xo );
+ theta = atan2(ya - yo, xa - xo);
switch(endcap)
{
case PS_ENDCAP_SQUARE :
pt.x = xo + round(sqrt(2) * penWidthOut * cos(M_PI_4 + theta));
pt.y = yo + round(sqrt(2) * penWidthOut * sin(M_PI_4 + theta));
- PATH_AddEntry(pUpPath, &pt, (j == 0 ? PT_MOVETO : PT_LINETO) );
+ PATH_AddEntry(pUpPath, &pt, (j == 0 ? PT_MOVETO : PT_LINETO));
pt.x = xo + round(sqrt(2) * penWidthIn * cos(- M_PI_4 + theta));
pt.y = yo + round(sqrt(2) * penWidthIn * sin(- M_PI_4 + theta));
PATH_AddEntry(pUpPath, &pt, PT_LINETO);
break;
case PS_ENDCAP_FLAT :
- pt.x = xo + round( penWidthOut * cos(theta + M_PI_2) );
- pt.y = yo + round( penWidthOut * sin(theta + M_PI_2) );
+ pt.x = xo + round(penWidthOut * cos(theta + M_PI_2));
+ pt.y = yo + round(penWidthOut * sin(theta + M_PI_2));
PATH_AddEntry(pUpPath, &pt, (j == 0 ? PT_MOVETO : PT_LINETO));
- pt.x = xo - round( penWidthIn * cos(theta + M_PI_2) );
- pt.y = yo - round( penWidthIn * sin(theta + M_PI_2) );
+ pt.x = xo - round(penWidthIn * cos(theta + M_PI_2));
+ pt.y = yo - round(penWidthIn * sin(theta + M_PI_2));
PATH_AddEntry(pUpPath, &pt, PT_LINETO);
break;
case PS_ENDCAP_ROUND :
corners[0].y = yo - penWidthIn;
corners[1].x = xo + penWidthOut;
corners[1].y = yo + penWidthOut;
- PATH_DoArcPart(pUpPath ,corners, theta + M_PI_2 , theta + 3 * M_PI_4, (j == 0 ? PT_MOVETO : FALSE));
- PATH_DoArcPart(pUpPath ,corners, theta + 3 * M_PI_4 , theta + M_PI, FALSE);
- PATH_DoArcPart(pUpPath ,corners, theta + M_PI, theta + 5 * M_PI_4, FALSE);
- PATH_DoArcPart(pUpPath ,corners, theta + 5 * M_PI_4 , theta + 3 * M_PI_2, FALSE);
+ PATH_DoArcPart(pUpPath , corners, theta + M_PI_2 , theta + 3 * M_PI_4, (j == 0 ? PT_MOVETO : FALSE));
+ PATH_DoArcPart(pUpPath , corners, theta + 3 * M_PI_4 , theta + M_PI, FALSE);
+ PATH_DoArcPart(pUpPath , corners, theta + M_PI, theta + 5 * M_PI_4, FALSE);
+ PATH_DoArcPart(pUpPath , corners, theta + 5 * M_PI_4 , theta + 3 * M_PI_2, FALSE);
break;
}
}
double alpha, theta, miterWidth;
DWORD _joint = joint;
POINT pt;
- PPATH pInsidePath, pOutsidePath;
- if(j > 0 && j < pStrokes[i]->numEntriesUsed - 1)
+ PPATH pInsidePath, pOutsidePath;
+ if (j > 0 && j < pStrokes[i]->numEntriesUsed - 1)
{
previous = j - 1;
next = j + 1;
ya = pStrokes[i]->pPoints[previous].y;
xb = pStrokes[i]->pPoints[next].x;
yb = pStrokes[i]->pPoints[next].y;
- theta = atan2( yo - ya, xo - xa );
- alpha = atan2( yb - yo, xb - xo ) - theta;
+ theta = atan2(yo - ya, xo - xa);
+ alpha = atan2(yb - yo, xb - xo) - theta;
if (alpha > 0) alpha -= M_PI;
else alpha += M_PI;
- if(_joint == PS_JOIN_MITER && dc->dclevel.laPath.eMiterLimit < fabs(1 / sin(alpha/2)))
+ if (_joint == PS_JOIN_MITER && eMiterLimit < fabs(1 / sin(alpha / 2)))
{
_joint = PS_JOIN_BEVEL;
}
- if(alpha > 0)
+ if (alpha > 0)
{
pInsidePath = pUpPath;
pOutsidePath = pDownPath;
}
- else if(alpha < 0)
+ else if (alpha < 0)
{
pInsidePath = pDownPath;
pOutsidePath = pUpPath;
continue;
}
/* Inside angle points */
- if(alpha > 0)
+ if (alpha > 0)
{
- pt.x = xo - round( penWidthIn * cos(theta + M_PI_2) );
- pt.y = yo - round( penWidthIn * sin(theta + M_PI_2) );
+ pt.x = xo - round(penWidthIn * cos(theta + M_PI_2));
+ pt.y = yo - round(penWidthIn * sin(theta + M_PI_2));
}
else
{
- pt.x = xo + round( penWidthIn * cos(theta + M_PI_2) );
- pt.y = yo + round( penWidthIn * sin(theta + M_PI_2) );
+ pt.x = xo + round(penWidthIn * cos(theta + M_PI_2));
+ pt.y = yo + round(penWidthIn * sin(theta + M_PI_2));
}
PATH_AddEntry(pInsidePath, &pt, PT_LINETO);
- if(alpha > 0)
+ if (alpha > 0)
{
- pt.x = xo + round( penWidthIn * cos(M_PI_2 + alpha + theta) );
- pt.y = yo + round( penWidthIn * sin(M_PI_2 + alpha + theta) );
+ pt.x = xo + round(penWidthIn * cos(M_PI_2 + alpha + theta));
+ pt.y = yo + round(penWidthIn * sin(M_PI_2 + alpha + theta));
}
else
{
- pt.x = xo - round( penWidthIn * cos(M_PI_2 + alpha + theta) );
- pt.y = yo - round( penWidthIn * sin(M_PI_2 + alpha + theta) );
+ pt.x = xo - round(penWidthIn * cos(M_PI_2 + alpha + theta));
+ pt.y = yo - round(penWidthIn * sin(M_PI_2 + alpha + theta));
}
PATH_AddEntry(pInsidePath, &pt, PT_LINETO);
/* Outside angle point */
switch(_joint)
{
- case PS_JOIN_MITER :
+ case PS_JOIN_MITER :
miterWidth = fabs(penWidthOut / cos(M_PI_2 - fabs(alpha) / 2));
- pt.x = xo + round( miterWidth * cos(theta + alpha / 2) );
- pt.y = yo + round( miterWidth * sin(theta + alpha / 2) );
+ pt.x = xo + round(miterWidth * cos(theta + alpha / 2));
+ pt.y = yo + round(miterWidth * sin(theta + alpha / 2));
PATH_AddEntry(pOutsidePath, &pt, PT_LINETO);
break;
case PS_JOIN_BEVEL :
- if(alpha > 0)
+ if (alpha > 0)
{
- pt.x = xo + round( penWidthOut * cos(theta + M_PI_2) );
- pt.y = yo + round( penWidthOut * sin(theta + M_PI_2) );
+ pt.x = xo + round(penWidthOut * cos(theta + M_PI_2));
+ pt.y = yo + round(penWidthOut * sin(theta + M_PI_2));
}
else
{
- pt.x = xo - round( penWidthOut * cos(theta + M_PI_2) );
- pt.y = yo - round( penWidthOut * sin(theta + M_PI_2) );
+ pt.x = xo - round(penWidthOut * cos(theta + M_PI_2));
+ pt.y = yo - round(penWidthOut * sin(theta + M_PI_2));
}
PATH_AddEntry(pOutsidePath, &pt, PT_LINETO);
- if(alpha > 0)
+ if (alpha > 0)
{
- pt.x = xo - round( penWidthOut * cos(M_PI_2 + alpha + theta) );
- pt.y = yo - round( penWidthOut * sin(M_PI_2 + alpha + theta) );
+ pt.x = xo - round(penWidthOut * cos(M_PI_2 + alpha + theta));
+ pt.y = yo - round(penWidthOut * sin(M_PI_2 + alpha + theta));
}
else
{
- pt.x = xo + round( penWidthOut * cos(M_PI_2 + alpha + theta) );
- pt.y = yo + round( penWidthOut * sin(M_PI_2 + alpha + theta) );
+ pt.x = xo + round(penWidthOut * cos(M_PI_2 + alpha + theta));
+ pt.y = yo + round(penWidthOut * sin(M_PI_2 + alpha + theta));
}
PATH_AddEntry(pOutsidePath, &pt, PT_LINETO);
break;
case PS_JOIN_ROUND :
default :
- if(alpha > 0)
+ if (alpha > 0)
{
- pt.x = xo + round( penWidthOut * cos(theta + M_PI_2) );
- pt.y = yo + round( penWidthOut * sin(theta + M_PI_2) );
+ pt.x = xo + round(penWidthOut * cos(theta + M_PI_2));
+ pt.y = yo + round(penWidthOut * sin(theta + M_PI_2));
}
else
{
- pt.x = xo - round( penWidthOut * cos(theta + M_PI_2) );
- pt.y = yo - round( penWidthOut * sin(theta + M_PI_2) );
+ pt.x = xo - round(penWidthOut * cos(theta + M_PI_2));
+ pt.y = yo - round(penWidthOut * sin(theta + M_PI_2));
}
PATH_AddEntry(pOutsidePath, &pt, PT_BEZIERTO);
- pt.x = xo + round( penWidthOut * cos(theta + alpha / 2) );
- pt.y = yo + round( penWidthOut * sin(theta + alpha / 2) );
+ pt.x = xo + round(penWidthOut * cos(theta + alpha / 2));
+ pt.y = yo + round(penWidthOut * sin(theta + alpha / 2));
PATH_AddEntry(pOutsidePath, &pt, PT_BEZIERTO);
- if(alpha > 0)
+ if (alpha > 0)
{
- pt.x = xo - round( penWidthOut * cos(M_PI_2 + alpha + theta) );
- pt.y = yo - round( penWidthOut * sin(M_PI_2 + alpha + theta) );
+ pt.x = xo - round(penWidthOut * cos(M_PI_2 + alpha + theta));
+ pt.y = yo - round(penWidthOut * sin(M_PI_2 + alpha + theta));
}
else
{
- pt.x = xo + round( penWidthOut * cos(M_PI_2 + alpha + theta) );
- pt.y = yo + round( penWidthOut * sin(M_PI_2 + alpha + theta) );
+ pt.x = xo + round(penWidthOut * cos(M_PI_2 + alpha + theta));
+ pt.y = yo + round(penWidthOut * sin(M_PI_2 + alpha + theta));
}
PATH_AddEntry(pOutsidePath, &pt, PT_BEZIERTO);
break;
}
}
}
- for(j = 0; j < pUpPath->numEntriesUsed; j++)
- {
- POINT pt;
- pt.x = pUpPath->pPoints[j].x;
- pt.y = pUpPath->pPoints[j].y;
- PATH_AddEntry(pNewPath, &pt, (j == 0 ? PT_MOVETO : PT_LINETO));
- }
- for(j = 0; j < pDownPath->numEntriesUsed; j++)
- {
- POINT pt;
- pt.x = pDownPath->pPoints[pDownPath->numEntriesUsed - j - 1].x;
- pt.y = pDownPath->pPoints[pDownPath->numEntriesUsed - j - 1].y;
- PATH_AddEntry(pNewPath, &pt, ( (j == 0 && (pStrokes[i]->pFlags[pStrokes[i]->numEntriesUsed - 1] & PT_CLOSEFIGURE)) ? PT_MOVETO : PT_LINETO));
- }
+ type = add_points( pNewPath, pUpPath->pPoints, pUpPath->numEntriesUsed, PT_LINETO );
+ type[0] = PT_MOVETO;
+ reverse_points( pDownPath->pPoints, pDownPath->numEntriesUsed );
+ type = add_points( pNewPath, pDownPath->pPoints, pDownPath->numEntriesUsed, PT_LINETO );
+ if (pStrokes[i]->pFlags[pStrokes[i]->numEntriesUsed - 1] & PT_CLOSEFIGURE) type[0] = PT_MOVETO;
PATH_DestroyGdiPath(pStrokes[i]);
ExFreePoolWithTag(pStrokes[i], TAG_PATH);
}
if (pStrokes) ExFreePoolWithTag(pStrokes, TAG_PATH);
+ PATH_UnlockPath(flat_path);
+ PATH_Delete(flat_path->BaseObject.hHmgr);
pNewPath->state = PATH_Closed;
- if (!(ret = PATH_AssignGdiPath(pPath, pNewPath)))
- DPRINT1("Assign path failed\n");
- PATH_DestroyGdiPath(pNewPath);
- ExFreePoolWithTag(pNewPath, TAG_PATH);
+ PATH_UnlockPath(pNewPath);
+ return pNewPath;
+}
+
+static
+PPATH
+FASTCALL
+PATH_WidenPath(DC *dc)
+{
+ INT size;
+ UINT penWidth, penStyle;
+ DWORD obj_type;
+ PPATH pPath, pNewPath;
+ LPEXTLOGPEN elp;
+ PDC_ATTR pdcattr = dc->pdcattr;
+
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath)
+ {
+ EngSetLastError( ERROR_CAN_NOT_COMPLETE );
+ return NULL;
+ }
+
+ if (pPath->state != PATH_Closed)
+ {
+ DPRINT("PWP 1\n");
+ PATH_UnlockPath(pPath);
+ EngSetLastError(ERROR_CAN_NOT_COMPLETE);
+ return NULL;
+ }
+
+ size = GreGetObject(pdcattr->hpen, 0, NULL);
+ if (!size)
+ {
+ DPRINT("PWP 2\n");
+ PATH_UnlockPath(pPath);
+ EngSetLastError(ERROR_CAN_NOT_COMPLETE);
+ return NULL;
+ }
+
+ elp = ExAllocatePoolWithTag(PagedPool, size, TAG_PATH);
+ if (elp == NULL)
+ {
+ DPRINT("PWP 3\n");
+ PATH_UnlockPath(pPath);
+ EngSetLastError(ERROR_OUTOFMEMORY);
+ return NULL;
+ }
+
+ GreGetObject(pdcattr->hpen, size, elp);
+
+ obj_type = GDI_HANDLE_GET_TYPE(pdcattr->hpen);
+ if (obj_type == GDI_OBJECT_TYPE_PEN)
+ {
+ penStyle = ((LOGPEN*)elp)->lopnStyle;
+ }
+ else if (obj_type == GDI_OBJECT_TYPE_EXTPEN)
+ {
+ penStyle = elp->elpPenStyle;
+ }
+ else
+ {
+ DPRINT("PWP 4\n");
+ EngSetLastError(ERROR_CAN_NOT_COMPLETE);
+ ExFreePoolWithTag(elp, TAG_PATH);
+ PATH_UnlockPath(pPath);
+ return NULL;
+ }
+
+ penWidth = elp->elpWidth;
+ ExFreePoolWithTag(elp, TAG_PATH);
+
+ /* The function cannot apply to cosmetic pens */
+ if (obj_type == GDI_OBJECT_TYPE_EXTPEN &&
+ (PS_TYPE_MASK & penStyle) == PS_COSMETIC)
+ {
+ DPRINT("PWP 5\n");
+ PATH_UnlockPath(pPath);
+ EngSetLastError(ERROR_CAN_NOT_COMPLETE);
+ return FALSE;
+ }
+
+ pNewPath = IntGdiWidenPath(pPath, penWidth, penStyle, dc->dclevel.laPath.eMiterLimit);
PATH_UnlockPath(pPath);
- return ret;
+ return pNewPath;
}
static inline INT int_from_fixed(FIXED f)
static
VOID
FASTCALL
-PATH_BezierTo(PPATH pPath, POINT *lppt, INT n)
+PATH_BezierTo(
+ PPATH pPath,
+ POINT *lppt,
+ INT n)
{
if (n < 2) return;
}
else if (n == 3)
{
- PATH_AddEntry(pPath, &lppt[0], PT_BEZIERTO);
- PATH_AddEntry(pPath, &lppt[1], PT_BEZIERTO);
- PATH_AddEntry(pPath, &lppt[2], PT_BEZIERTO);
+ add_points( pPath, lppt, 3, PT_BEZIERTO );
}
else
{
while (n > 2)
{
pt[0] = pt[2];
- pt[1] = lppt[i+1];
- pt[2].x = (lppt[i+2].x + lppt[i+1].x) / 2;
- pt[2].y = (lppt[i+2].y + lppt[i+1].y) / 2;
- PATH_BezierTo(pPath, pt, 3);
+ pt[1] = lppt[i + 1];
+ pt[2].x = (lppt[i + 2].x + lppt[i + 1].x) / 2;
+ pt[2].y = (lppt[i + 2].y + lppt[i + 1].y) / 2;
+ add_points( pPath, pt, 3, PT_BEZIERTO );
n--;
i++;
}
pt[0] = pt[2];
- pt[1] = lppt[i+1];
- pt[2] = lppt[i+2];
- PATH_BezierTo(pPath, pt, 3);
+ pt[1] = lppt[i + 1];
+ pt[2] = lppt[i + 2];
+ add_points( pPath, pt, 3, PT_BEZIERTO );
}
}
static
BOOL
FASTCALL
-PATH_add_outline(PDC dc, INT x, INT y, TTPOLYGONHEADER *header, DWORD size)
+PATH_add_outline(
+ PDC dc,
+ PPATH pPath,
+ INT x,
+ INT y,
+ TTPOLYGONHEADER *header,
+ DWORD size)
{
- PPATH pPath;
- TTPOLYGONHEADER *start;
- POINT pt;
- BOOL bResult = FALSE;
+ TTPOLYGONHEADER *start;
+ POINT pt;
+ BOOL bResult = FALSE;
- start = header;
+ start = header;
- pPath = PATH_LockPath(dc->dclevel.hPath);
- if (!pPath)
- {
- return FALSE;
- }
+ while ((char *)header < (char *)start + size)
+ {
+ TTPOLYCURVE *curve;
- while ((char *)header < (char *)start + size)
- {
- TTPOLYCURVE *curve;
+ if (header->dwType != TT_POLYGON_TYPE)
+ {
+ DPRINT1("Unknown header type %lu\n", header->dwType);
+ goto cleanup;
+ }
- if (header->dwType != TT_POLYGON_TYPE)
- {
- DPRINT1("Unknown header type %lu\n", header->dwType);
- goto cleanup;
- }
+ pt.x = x + int_from_fixed(header->pfxStart.x);
+ pt.y = y - int_from_fixed(header->pfxStart.y);
+ PATH_AddEntry(pPath, &pt, PT_MOVETO);
- pt.x = x + int_from_fixed(header->pfxStart.x);
- pt.y = y - int_from_fixed(header->pfxStart.y);
- PATH_AddEntry(pPath, &pt, PT_MOVETO);
+ curve = (TTPOLYCURVE *)(header + 1);
- curve = (TTPOLYCURVE *)(header + 1);
+ while ((char *)curve < (char *)header + header->cb)
+ {
+ /*DPRINT1("curve->wType %d\n", curve->wType);*/
- while ((char *)curve < (char *)header + header->cb)
- {
- /*DPRINT1("curve->wType %d\n", curve->wType);*/
+ switch(curve->wType)
+ {
+ case TT_PRIM_LINE:
+ {
+ WORD i;
- switch(curve->wType)
- {
- case TT_PRIM_LINE:
- {
- WORD i;
-
- for (i = 0; i < curve->cpfx; i++)
- {
- pt.x = x + int_from_fixed(curve->apfx[i].x);
- pt.y = y - int_from_fixed(curve->apfx[i].y);
- PATH_AddEntry(pPath, &pt, PT_LINETO);
- }
- break;
- }
+ for (i = 0; i < curve->cpfx; i++)
+ {
+ pt.x = x + int_from_fixed(curve->apfx[i].x);
+ pt.y = y - int_from_fixed(curve->apfx[i].y);
+ PATH_AddEntry(pPath, &pt, PT_LINETO);
+ }
+ break;
+ }
- case TT_PRIM_QSPLINE:
- case TT_PRIM_CSPLINE:
- {
- WORD i;
- POINTFX ptfx;
- POINT *pts = ExAllocatePoolWithTag(PagedPool, (curve->cpfx + 1) * sizeof(POINT), TAG_PATH);
+ case TT_PRIM_QSPLINE:
+ case TT_PRIM_CSPLINE:
+ {
+ WORD i;
+ POINTFX ptfx;
+ POINT *pts = ExAllocatePoolWithTag(PagedPool, (curve->cpfx + 1) * sizeof(POINT), TAG_PATH);
- if (!pts) goto cleanup;
+ if (!pts) goto cleanup;
- ptfx = *(POINTFX *)((char *)curve - sizeof(POINTFX));
+ ptfx = *(POINTFX *)((char *)curve - sizeof(POINTFX));
- pts[0].x = x + int_from_fixed(ptfx.x);
- pts[0].y = y - int_from_fixed(ptfx.y);
+ pts[0].x = x + int_from_fixed(ptfx.x);
+ pts[0].y = y - int_from_fixed(ptfx.y);
- for (i = 0; i < curve->cpfx; i++)
- {
- pts[i + 1].x = x + int_from_fixed(curve->apfx[i].x);
- pts[i + 1].y = y - int_from_fixed(curve->apfx[i].y);
- }
+ for (i = 0; i < curve->cpfx; i++)
+ {
+ pts[i + 1].x = x + int_from_fixed(curve->apfx[i].x);
+ pts[i + 1].y = y - int_from_fixed(curve->apfx[i].y);
+ }
- PATH_BezierTo(pPath, pts, curve->cpfx + 1);
+ PATH_BezierTo(pPath, pts, curve->cpfx + 1);
- ExFreePoolWithTag(pts, TAG_PATH);
- break;
- }
+ ExFreePoolWithTag(pts, TAG_PATH);
+ break;
+ }
- default:
- DPRINT1("Unknown curve type %04x\n", curve->wType);
- goto cleanup;
- }
+ default:
+ DPRINT1("Unknown curve type %04x\n", curve->wType);
+ goto cleanup;
+ }
- curve = (TTPOLYCURVE *)&curve->apfx[curve->cpfx];
- }
- header = (TTPOLYGONHEADER *)((char *)header + header->cb);
- }
+ curve = (TTPOLYCURVE *)&curve->apfx[curve->cpfx];
+ }
+ header = (TTPOLYGONHEADER *)((char *)header + header->cb);
+ }
- bResult = TRUE;
+ bResult = TRUE;
cleanup:
- IntGdiCloseFigure( pPath );
- PATH_UnlockPath( pPath );
- return bResult;
+ IntGdiCloseFigure(pPath);
+ return bResult;
}
/**********************************************************************
*/
BOOL
FASTCALL
-PATH_ExtTextOut(PDC dc, INT x, INT y, UINT flags, const RECTL *lprc,
- LPCWSTR str, UINT count, const INT *dx)
+PATH_ExtTextOut(
+ PDC dc,
+ INT x,
+ INT y,
+ UINT flags,
+ const RECTL *lprc,
+ LPCWSTR str,
+ UINT count,
+ const INT *dx)
{
- unsigned int idx;
+ PPATH pPath;
+ unsigned int idx, ggo_flags = GGO_NATIVE;
POINT offset = {0, 0};
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath)
+ {
+ return FALSE;
+ }
+
+ if (pPath->state != PATH_Open)
+ {
+ DPRINT1("PATH_ExtTextOut not open\n");
+ return FALSE;
+ }
+
if (!count) return TRUE;
+ if (flags & ETO_GLYPH_INDEX) ggo_flags |= GGO_GLYPH_INDEX;
for (idx = 0; idx < count; idx++)
{
- MAT2 identity = { {0,1},{0,0},{0,0},{0,1} };
+ MAT2 identity = { {0, 1}, {0, 0}, {0, 0}, {0, 1} };
GLYPHMETRICS gm;
DWORD dwSize;
void *outline;
- dwSize = ftGdiGetGlyphOutline( dc,
- str[idx],
- GGO_GLYPH_INDEX | GGO_NATIVE,
- &gm,
- 0,
- NULL,
- &identity,
- TRUE);
- if (dwSize == GDI_ERROR) return FALSE;
+ dwSize = ftGdiGetGlyphOutline(dc,
+ str[idx],
+ ggo_flags,
+ &gm,
+ 0,
+ NULL,
+ &identity,
+ TRUE);
+ if (dwSize == GDI_ERROR)
+ {
+ PATH_UnlockPath(pPath);
+ return FALSE;
+ }
/* Add outline only if char is printable */
if (dwSize)
{
- outline = ExAllocatePoolWithTag(PagedPool, dwSize, TAG_PATH);
- if (!outline) return FALSE;
+ outline = ExAllocatePoolWithTag(PagedPool, dwSize, TAG_PATH);
+ if (!outline)
+ {
+ PATH_UnlockPath(pPath);
+ return FALSE;
+ }
- ftGdiGetGlyphOutline( dc,
+ ftGdiGetGlyphOutline(dc,
str[idx],
- GGO_GLYPH_INDEX | GGO_NATIVE,
+ ggo_flags,
&gm,
dwSize,
outline,
&identity,
TRUE);
- PATH_add_outline(dc, x + offset.x, y + offset.y, outline, dwSize);
+ PATH_add_outline(dc, pPath, x + offset.x, y + offset.y, outline, dwSize);
- ExFreePoolWithTag(outline, TAG_PATH);
+ ExFreePoolWithTag(outline, TAG_PATH);
}
if (dx)
{
- if (flags & ETO_PDY)
- {
- offset.x += dx[idx * 2];
- offset.y += dx[idx * 2 + 1];
- }
- else
- offset.x += dx[idx];
+ if (flags & ETO_PDY)
+ {
+ offset.x += dx[idx * 2];
+ offset.y += dx[idx * 2 + 1];
+ }
+ else
+ offset.x += dx[idx];
}
else
{
- offset.x += gm.gmCellIncX;
- offset.y += gm.gmCellIncY;
+ offset.x += gm.gmCellIncX;
+ offset.y += gm.gmCellIncY;
}
}
+ PATH_UnlockPath(pPath);
return TRUE;
}
BOOL
APIENTRY
-NtGdiAbortPath(HDC hDC)
+NtGdiAbortPath(HDC hDC)
{
- PPATH pPath;
- PDC dc = DC_LockDc ( hDC );
- if ( !dc )
- {
- EngSetLastError(ERROR_INVALID_HANDLE);
- return FALSE;
- }
-
- pPath = PATH_LockPath(dc->dclevel.hPath);
- if (!pPath)
- {
- DC_UnlockDc(dc);
- return FALSE;
- }
-
- PATH_EmptyPath(pPath);
-
- PATH_UnlockPath(pPath);
- dc->dclevel.flPath &= ~DCPATH_ACTIVE;
-
- DC_UnlockDc ( dc );
- return TRUE;
+ PDC dc = DC_LockDc(hDC);
+ if (!dc)
+ {
+ EngSetLastError(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+
+ if (!dc->dclevel.hPath)
+ {
+ DC_UnlockDc(dc);
+ return TRUE;
+ }
+
+ if (!PATH_Delete(dc->dclevel.hPath))
+ {
+ DC_UnlockDc(dc);
+ return FALSE;
+ }
+
+ dc->dclevel.hPath = 0;
+ dc->dclevel.flPath &= ~DCPATH_ACTIVE;
+
+ DC_UnlockDc(dc);
+ return TRUE;
}
BOOL
APIENTRY
-NtGdiBeginPath( HDC hDC )
+NtGdiBeginPath(HDC hDC)
{
- PPATH pPath;
- PDC dc;
+ PPATH pPath;
+ PDC dc;
- dc = DC_LockDc ( hDC );
- if ( !dc )
- {
- EngSetLastError(ERROR_INVALID_HANDLE);
- return FALSE;
- }
+ dc = DC_LockDc(hDC);
+ if (!dc)
+ {
+ EngSetLastError(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
- /* If path is already open, do nothing. Check if not Save DC state */
+ /* If path is already open, do nothing. Check if not Save DC state */
if ((dc->dclevel.flPath & DCPATH_ACTIVE) && !(dc->dclevel.flPath & DCPATH_SAVE))
- {
- DC_UnlockDc ( dc );
- return TRUE;
- }
-
- if ( dc->dclevel.hPath )
- {
- DPRINT("BeginPath 1 0x%p\n", dc->dclevel.hPath);
- if ( !(dc->dclevel.flPath & DCPATH_SAVE) )
- { // Remove previous handle.
- if (!PATH_Delete(dc->dclevel.hPath))
+ {
+ DC_UnlockDc(dc);
+ return TRUE;
+ }
+
+ if (dc->dclevel.hPath)
+ {
+ DPRINT("BeginPath 1 0x%p\n", dc->dclevel.hPath);
+ if (!(dc->dclevel.flPath & DCPATH_SAVE))
{
- DC_UnlockDc ( dc );
- return FALSE;
+ // Remove previous handle.
+ if (!PATH_Delete(dc->dclevel.hPath))
+ {
+ DC_UnlockDc(dc);
+ return FALSE;
+ }
+ }
+ else
+ {
+ // Clear flags and Handle.
+ dc->dclevel.flPath &= ~(DCPATH_SAVE | DCPATH_ACTIVE);
+ dc->dclevel.hPath = NULL;
}
- }
- else
- { // Clear flags and Handle.
- dc->dclevel.flPath &= ~(DCPATH_SAVE|DCPATH_ACTIVE);
- dc->dclevel.hPath = NULL;
- }
- }
- pPath = PATH_AllocPathWithHandle();
- if (!pPath)
- {
- EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
- return FALSE;
- }
- dc->dclevel.flPath |= DCPATH_ACTIVE; // Set active ASAP!
-
- dc->dclevel.hPath = pPath->BaseObject.hHmgr;
-
- DPRINT("BeginPath 2 h 0x%p p 0x%p\n", dc->dclevel.hPath, pPath);
- // Path handles are shared. Also due to recursion with in the same thread.
- GDIOBJ_vUnlockObject((POBJ)pPath); // Unlock
- pPath = PATH_LockPath(dc->dclevel.hPath); // Share Lock.
-
- /* Make sure that path is empty */
- PATH_EmptyPath( pPath );
-
- /* Initialize variables for new path */
- pPath->newStroke = TRUE;
- pPath->state = PATH_Open;
-
- PATH_UnlockPath(pPath);
- DC_UnlockDc ( dc );
- return TRUE;
+ }
+ pPath = PATH_CreatePath(NUM_ENTRIES_INITIAL);
+ dc->dclevel.flPath |= DCPATH_ACTIVE; // Set active ASAP!
+ dc->dclevel.hPath = pPath->BaseObject.hHmgr;
+ IntGetCurrentPositionEx(dc, &pPath->pos);
+ IntLPtoDP( dc, &pPath->pos, 1 );
+ DPRINT("BP : Current pos X %d Y %d\n",pPath->pos.x, pPath->pos.y);
+ PATH_UnlockPath(pPath);
+ DC_UnlockDc(dc);
+
+ if (!pPath)
+ {
+ return FALSE;
+ }
+ return TRUE;
}
BOOL
APIENTRY
NtGdiCloseFigure(HDC hDC)
{
- BOOL Ret = FALSE; // Default to failure
- PDC pDc;
- PPATH pPath;
-
- DPRINT("Enter %s\n", __FUNCTION__);
-
- pDc = DC_LockDc(hDC);
- if (!pDc)
- {
- EngSetLastError(ERROR_INVALID_PARAMETER);
- return FALSE;
- }
- pPath = PATH_LockPath( pDc->dclevel.hPath );
- if (!pPath)
- {
- DC_UnlockDc(pDc);
- return FALSE;
- }
-
- if (pPath->state==PATH_Open)
- {
- IntGdiCloseFigure(pPath);
- Ret = TRUE;
- }
- else
- {
- // FIXME: Check if lasterror is set correctly
- EngSetLastError(ERROR_CAN_NOT_COMPLETE);
- }
-
- PATH_UnlockPath( pPath );
- DC_UnlockDc(pDc);
- return Ret;
+ BOOL Ret = FALSE; // Default to failure
+ PDC pDc;
+ PPATH pPath;
+
+ DPRINT("Enter %s\n", __FUNCTION__);
+
+ pDc = DC_LockDc(hDC);
+ if (!pDc)
+ {
+ EngSetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ pPath = PATH_LockPath(pDc->dclevel.hPath);
+ if (!pPath)
+ {
+ DC_UnlockDc(pDc);
+ return FALSE;
+ }
+
+ if (pPath->state == PATH_Open)
+ {
+ IntGdiCloseFigure(pPath);
+ Ret = TRUE;
+ }
+ else
+ {
+ EngSetLastError(ERROR_CAN_NOT_COMPLETE);
+ }
+
+ PATH_UnlockPath(pPath);
+ DC_UnlockDc(pDc);
+ return Ret;
}
BOOL
APIENTRY
NtGdiEndPath(HDC hDC)
{
- BOOL ret = TRUE;
- PPATH pPath;
- PDC dc = DC_LockDc ( hDC );
-
- if ( !dc )
- {
- EngSetLastError(ERROR_INVALID_HANDLE);
- return FALSE;
- }
-
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath)
- {
- DC_UnlockDc ( dc );
- return FALSE;
- }
- /* Check that path is currently being constructed */
- if ( (pPath->state != PATH_Open) || !(dc->dclevel.flPath & DCPATH_ACTIVE) )
- {
- DPRINT1("EndPath ERROR! 0x%p\n", dc->dclevel.hPath);
- EngSetLastError(ERROR_CAN_NOT_COMPLETE);
- ret = FALSE;
- }
- /* Set flag to indicate that path is finished */
- else
- {
- DPRINT("EndPath 0x%p\n", dc->dclevel.hPath);
- pPath->state = PATH_Closed;
- dc->dclevel.flPath &= ~DCPATH_ACTIVE;
- }
- PATH_UnlockPath( pPath );
- DC_UnlockDc ( dc );
- return ret;
+ BOOL ret = TRUE;
+ PPATH pPath;
+ PDC dc;
+
+ dc = DC_LockDc(hDC);
+ if (!dc)
+ {
+ EngSetLastError(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath)
+ {
+ DC_UnlockDc(dc);
+ return FALSE;
+ }
+
+ /* Check that path is currently being constructed */
+ if ((pPath->state != PATH_Open) || !(dc->dclevel.flPath & DCPATH_ACTIVE))
+ {
+ DPRINT("EndPath ERROR! 0x%p\n", dc->dclevel.hPath);
+ EngSetLastError(ERROR_CAN_NOT_COMPLETE);
+ ret = FALSE;
+ }
+ /* Set flag to indicate that path is finished */
+ else
+ {
+ DPRINT("EndPath 0x%p\n", dc->dclevel.hPath);
+ pPath->state = PATH_Closed;
+ dc->dclevel.flPath &= ~DCPATH_ACTIVE;
+ }
+
+ PATH_UnlockPath(pPath);
+ DC_UnlockDc(dc);
+ return ret;
}
BOOL
APIENTRY
NtGdiFillPath(HDC hDC)
{
- BOOL ret = FALSE;
- PPATH pPath;
- PDC_ATTR pdcattr;
- PDC dc;
-
- dc = DC_LockDc(hDC);
- if (!dc)
- {
- EngSetLastError(ERROR_INVALID_PARAMETER);
- return FALSE;
- }
-
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath)
- {
- DC_UnlockDc ( dc );
- return FALSE;
- }
-
- DC_vPrepareDCsForBlit(dc, dc->rosdc.CombinedClip->rclBounds,
- NULL, dc->rosdc.CombinedClip->rclBounds);
-
- pdcattr = dc->pdcattr;
-
- if (pdcattr->ulDirty_ & (DIRTY_LINE | DC_PEN_DIRTY))
- DC_vUpdateLineBrush(dc);
-
- if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
- DC_vUpdateFillBrush(dc);
-
- ret = PATH_FillPath( dc, pPath );
- if ( ret )
- {
- /* FIXME: Should the path be emptied even if conversion
- failed? */
- PATH_EmptyPath( pPath );
- }
-
- PATH_UnlockPath( pPath );
- DC_vFinishBlit(dc, NULL);
- DC_UnlockDc ( dc );
- return ret;
+ BOOL ret = FALSE;
+ PPATH pPath, pNewPath;
+ PDC_ATTR pdcattr;
+ PDC dc;
+
+ dc = DC_LockDc(hDC);
+ if (!dc)
+ {
+ EngSetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath)
+ {
+ DC_UnlockDc(dc);
+ return FALSE;
+ }
+
+ DC_vPrepareDCsForBlit(dc, NULL, NULL, NULL);
+
+ pdcattr = dc->pdcattr;
+
+ if (pdcattr->ulDirty_ & (DIRTY_LINE | DC_PEN_DIRTY))
+ DC_vUpdateLineBrush(dc);
+
+ if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
+ DC_vUpdateFillBrush(dc);
+
+ pNewPath = PATH_FlattenPath(pPath);
+
+ if (pNewPath->state != PATH_Closed)
+ {
+ EngSetLastError(ERROR_CAN_NOT_COMPLETE);
+ }
+ else if (pNewPath->numEntriesUsed)
+ {
+ ret = PATH_FillPath(dc, pNewPath);
+ }
+ else ret = TRUE;
+
+ PATH_UnlockPath(pNewPath);
+ PATH_Delete(pNewPath->BaseObject.hHmgr);
+
+ PATH_UnlockPath(pPath);
+ PATH_Delete(pPath->BaseObject.hHmgr);
+ dc->dclevel.hPath = 0;
+ dc->dclevel.flPath &= ~DCPATH_ACTIVE;
+
+ DC_vFinishBlit(dc, NULL);
+ DC_UnlockDc(dc);
+ return ret;
}
BOOL
APIENTRY
-NtGdiFlattenPath(HDC hDC)
+NtGdiFlattenPath(HDC hDC)
{
- BOOL Ret = FALSE;
- DC *pDc;
- PPATH pPath;
-
- DPRINT("Enter %s\n", __FUNCTION__);
-
- pDc = DC_LockDc(hDC);
- if (!pDc)
- {
- EngSetLastError(ERROR_INVALID_HANDLE);
- return FALSE;
- }
-
- pPath = PATH_LockPath( pDc->dclevel.hPath );
- if (!pPath)
- {
- DC_UnlockDc ( pDc );
- return FALSE;
- }
- if (pPath->state == PATH_Open)
- Ret = PATH_FlattenPath(pPath);
-
- PATH_UnlockPath( pPath );
- DC_UnlockDc(pDc);
- return Ret;
+ BOOL Ret = FALSE;
+ DC *pDc;
+ PPATH pPath, pNewPath = NULL;
+
+ DPRINT("Enter %s\n", __FUNCTION__);
+
+ pDc = DC_LockDc(hDC);
+ if (!pDc)
+ {
+ EngSetLastError(ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+
+ pPath = PATH_LockPath(pDc->dclevel.hPath);
+ if (!pPath)
+ {
+ EngSetLastError( ERROR_CAN_NOT_COMPLETE );
+ DC_UnlockDc(pDc);
+ return FALSE;
+ }
+
+ if (pPath->state == PATH_Closed)
+ {
+ pNewPath = PATH_FlattenPath(pPath);
+ }
+
+ PATH_UnlockPath(pPath);
+
+ if (pNewPath)
+ {
+ PATH_Delete(pDc->dclevel.hPath);
+ pDc->dclevel.hPath = pNewPath->BaseObject.hHmgr;
+ PATH_UnlockPath(pNewPath);
+ Ret = TRUE;
+ }
+
+ DC_UnlockDc(pDc);
+ return Ret;
}
_Success_(return != FALSE)
_In_ HDC hdc,
_Out_ PDWORD pdwOut)
{
- DC *pDc;
- BOOL bResult = TRUE;
-
- if (!(pDc = DC_LockDc(hdc)))
- {
- EngSetLastError(ERROR_INVALID_PARAMETER);
- return FALSE;
- }
-
- _SEH2_TRY
- {
- ProbeForWrite(pdwOut, sizeof(DWORD), 1);
- *pdwOut = pDc->dclevel.laPath.eMiterLimit;
- }
- _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
- {
- SetLastNtError(_SEH2_GetExceptionCode());
- bResult = FALSE;
- }
- _SEH2_END;
-
- DC_UnlockDc(pDc);
- return bResult;
+ DC *pDc;
+ BOOL bResult = TRUE;
+
+ if (!(pDc = DC_LockDc(hdc)))
+ {
+ EngSetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ _SEH2_TRY
+ {
+ ProbeForWrite(pdwOut, sizeof(DWORD), 1);
+ *pdwOut = pDc->dclevel.laPath.eMiterLimit;
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ SetLastNtError(_SEH2_GetExceptionCode());
+ bResult = FALSE;
+ }
+ _SEH2_END;
+
+ DC_UnlockDc(pDc);
+ return bResult;
}
INT
APIENTRY
NtGdiGetPath(
- HDC hDC,
- LPPOINT Points,
- LPBYTE Types,
- INT nSize)
+ HDC hDC,
+ LPPOINT Points,
+ LPBYTE Types,
+ INT nSize)
{
- INT ret = -1;
- PPATH pPath;
-
- DC *dc = DC_LockDc(hDC);
- if (!dc)
- {
- DPRINT1("Can't lock dc!\n");
- EngSetLastError(ERROR_INVALID_PARAMETER);
- return -1;
- }
-
- pPath = PATH_LockPath( dc->dclevel.hPath );
- if (!pPath)
- {
- DC_UnlockDc ( dc );
- return -1;
- }
-
- if (pPath->state != PATH_Closed)
- {
- EngSetLastError(ERROR_CAN_NOT_COMPLETE);
- goto done;
- }
-
- if (nSize==0)
- {
- ret = pPath->numEntriesUsed;
- }
- else if(nSize<pPath->numEntriesUsed)
- {
- EngSetLastError(ERROR_INVALID_PARAMETER);
- goto done;
- }
- else
- {
- _SEH2_TRY
- {
- memcpy(Points, pPath->pPoints, sizeof(POINT)*pPath->numEntriesUsed);
- memcpy(Types, pPath->pFlags, sizeof(BYTE)*pPath->numEntriesUsed);
-
- /* Convert the points to logical coordinates */
- if (!GdiPathDPtoLP(dc, Points, pPath->numEntriesUsed))
- {
- EngSetLastError(ERROR_ARITHMETIC_OVERFLOW);
- _SEH2_LEAVE;
- }
-
- ret = pPath->numEntriesUsed;
- }
- _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
- {
- SetLastNtError(_SEH2_GetExceptionCode());
- }
- _SEH2_END
- }
+ INT ret = -1;
+ PPATH pPath;
+
+ DC *dc = DC_LockDc(hDC);
+ DPRINT("NtGdiGetPath start\n");
+ if (!dc)
+ {
+ DPRINT1("Can't lock dc!\n");
+ EngSetLastError(ERROR_INVALID_PARAMETER);
+ return -1;
+ }
+
+ pPath = PATH_LockPath(dc->dclevel.hPath);
+ if (!pPath)
+ {
+ DC_UnlockDc(dc);
+ return -1;
+ }
+
+ if (pPath->state != PATH_Closed)
+ {
+ EngSetLastError(ERROR_CAN_NOT_COMPLETE);
+ goto done;
+ }
+
+ if (nSize == 0)
+ {
+ ret = pPath->numEntriesUsed;
+ }
+ else if (nSize < pPath->numEntriesUsed)
+ {
+ EngSetLastError(ERROR_INVALID_PARAMETER);
+ goto done;
+ }
+ else
+ {
+ _SEH2_TRY
+ {
+ memcpy(Points, pPath->pPoints, sizeof(POINT)*pPath->numEntriesUsed);
+ memcpy(Types, pPath->pFlags, sizeof(BYTE)*pPath->numEntriesUsed);
+
+ /* Convert the points to logical coordinates */
+ if (!GdiPathDPtoLP(dc, Points, pPath->numEntriesUsed))
+ {
+ EngSetLastError(ERROR_ARITHMETIC_OVERFLOW);
+ _SEH2_LEAVE;
+ }
+
+ ret = pPath->numEntriesUsed;
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ SetLastNtError(_SEH2_GetExceptionCode());
+ }
+ _SEH2_END
+ }
done:
- PATH_UnlockPath( pPath );
- DC_UnlockDc(dc);
- return ret;
+ DPRINT("NtGdiGetPath exit %d\n",ret);
+ PATH_UnlockPath(pPath);
+ DC_UnlockDc(dc);
+ return ret;
}
HRGN
APIENTRY
NtGdiPathToRegion(HDC hDC)
{
- PPATH pPath;
- HRGN hrgnRval = 0;
- DC *pDc;
- PDC_ATTR pdcattr;
-
- DPRINT("Enter %s\n", __FUNCTION__);
-
- pDc = DC_LockDc(hDC);
- if (!pDc)
- {
- EngSetLastError(ERROR_INVALID_PARAMETER);
- return NULL;
- }
-
- pdcattr = pDc->pdcattr;
-
- pPath = PATH_LockPath( pDc->dclevel.hPath );
- if (!pPath)
- {
- DC_UnlockDc ( pDc );
- return NULL;
- }
-
- if (pPath->state!=PATH_Closed)
- {
- // FIXME: Check that setlasterror is being called correctly
- EngSetLastError(ERROR_CAN_NOT_COMPLETE);
- }
- else
- {
- /* FIXME: Should we empty the path even if conversion failed? */
- if(PATH_PathToRegion(pPath, pdcattr->jFillMode, &hrgnRval))
- PATH_EmptyPath(pPath);
- }
-
- PATH_UnlockPath( pPath );
- DC_UnlockDc(pDc);
- return hrgnRval;
+ PPATH pPath, pNewPath;
+ HRGN hrgnRval = 0;
+ int Ret;
+ PREGION Rgn;
+ DC *pDc;
+ PDC_ATTR pdcattr;
+
+ DPRINT("Enter %s\n", __FUNCTION__);
+
+ pDc = DC_LockDc(hDC);
+ if (!pDc)
+ {
+ DPRINT("Failed to lock DC %p\n", hDC);
+ EngSetLastError(ERROR_INVALID_PARAMETER);
+ return NULL;
+ }
+
+ pdcattr = pDc->pdcattr;
+
+ pPath = PATH_LockPath(pDc->dclevel.hPath);
+ if (!pPath)
+ {
+ DPRINT("Failed to lock DC path %p\n", pDc->dclevel.hPath);
+ DC_UnlockDc(pDc);
+ return NULL;
+ }
+
+ if (pPath->state != PATH_Closed)
+ {
+ // FIXME: Check that setlasterror is being called correctly
+ DPRINT("Path is not closed!\n");
+ EngSetLastError(ERROR_CAN_NOT_COMPLETE);
+ }
+ else
+ {
+ /* Create the region and fill it with the path strokes */
+ Rgn = REGION_AllocUserRgnWithHandle(1);
+ if (!Rgn)
+ {
+ DPRINT("Failed to allocate a region\n");
+ PATH_UnlockPath(pPath);
+ DC_UnlockDc(pDc);
+ return NULL;
+ }
+ hrgnRval = Rgn->BaseObject.hHmgr;
+
+ pNewPath = PATH_FlattenPath(pPath);
+
+ Ret = PATH_PathToRegion(pNewPath, pdcattr->jFillMode, Rgn);
+
+ PATH_UnlockPath(pNewPath);
+ PATH_Delete(pNewPath->BaseObject.hHmgr);
+
+ if (!Ret)
+ {
+ DPRINT("PATH_PathToRegion failed\n");
+ REGION_Delete(Rgn);
+ hrgnRval = NULL;
+ }
+ else
+ REGION_UnlockRgn(Rgn);
+ }
+
+ PATH_UnlockPath(pPath);
+ PATH_Delete(pDc->dclevel.hPath);
+ pDc->dclevel.hPath = NULL;
+ pDc->dclevel.flPath &= ~DCPATH_ACTIVE;
+
+ DC_UnlockDc(pDc);
+ return hrgnRval;
}
BOOL
IN DWORD dwNew,
IN OUT OPTIONAL PDWORD pdwOut)
{
- DC *pDc;
- gxf_long worker, worker1;
- BOOL bResult = TRUE;
-
- if (!(pDc = DC_LockDc(hdc)))
- {
- EngSetLastError(ERROR_INVALID_PARAMETER);
- return FALSE;
- }
-
- worker.l = dwNew;
- worker1.f = pDc->dclevel.laPath.eMiterLimit;
- pDc->dclevel.laPath.eMiterLimit = worker.f;
-
- if (pdwOut)
- {
- _SEH2_TRY
- {
- ProbeForWrite(pdwOut, sizeof(DWORD), 1);
- *pdwOut = worker1.l;
- }
- _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
- {
- SetLastNtError(_SEH2_GetExceptionCode());
- bResult = FALSE;
- }
- _SEH2_END;
- }
-
- DC_UnlockDc(pDc);
- return bResult;
+ DC *pDc;
+ gxf_long worker, worker1;
+ BOOL bResult = TRUE;
+
+ if (!(pDc = DC_LockDc(hdc)))
+ {
+ EngSetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ worker.l = dwNew;
+ worker1.f = pDc->dclevel.laPath.eMiterLimit;
+ pDc->dclevel.laPath.eMiterLimit = worker.f;
+
+ if (pdwOut)
+ {
+ _SEH2_TRY
+ {
+ ProbeForWrite(pdwOut, sizeof(DWORD), 1);
+ *pdwOut = worker1.l;
+ }
+ _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
+ {
+ SetLastNtError(_SEH2_GetExceptionCode());
+ bResult = FALSE;
+ }
+ _SEH2_END;
+ }
+
+ DC_UnlockDc(pDc);
+ return bResult;
}
BOOL
APIENTRY
NtGdiStrokeAndFillPath(HDC hDC)
{
- DC *pDc;
- PDC_ATTR pdcattr;
- PPATH pPath;
- BOOL bRet = FALSE;
-
- DPRINT1("Enter %s\n", __FUNCTION__);
-
- if (!(pDc = DC_LockDc(hDC)))
- {
- EngSetLastError(ERROR_INVALID_PARAMETER);
- return FALSE;
- }
- pPath = PATH_LockPath( pDc->dclevel.hPath );
- if (!pPath)
- {
- DC_UnlockDc ( pDc );
- return FALSE;
- }
-
- DC_vPrepareDCsForBlit(pDc, pDc->rosdc.CombinedClip->rclBounds,
- NULL, pDc->rosdc.CombinedClip->rclBounds);
-
- pdcattr = pDc->pdcattr;
-
- if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
- DC_vUpdateFillBrush(pDc);
-
- if (pdcattr->ulDirty_ & (DIRTY_LINE | DC_PEN_DIRTY))
- DC_vUpdateLineBrush(pDc);
-
- bRet = PATH_FillPath(pDc, pPath);
- if (bRet) bRet = PATH_StrokePath(pDc, pPath);
- if (bRet) PATH_EmptyPath(pPath);
-
- PATH_UnlockPath( pPath );
- DC_vFinishBlit(pDc, NULL);
- DC_UnlockDc(pDc);
- return bRet;
+ DC *pDc;
+ PDC_ATTR pdcattr;
+ PPATH pPath, pNewPath;
+ BOOL bRet = FALSE;
+
+ DPRINT("Enter %s\n", __FUNCTION__);
+
+ if (!(pDc = DC_LockDc(hDC)))
+ {
+ EngSetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+ pPath = PATH_LockPath(pDc->dclevel.hPath);
+ if (!pPath)
+ {
+ DC_UnlockDc(pDc);
+ return FALSE;
+ }
+
+ DC_vPrepareDCsForBlit(pDc, NULL, NULL, NULL);
+
+ pdcattr = pDc->pdcattr;
+
+ if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
+ DC_vUpdateFillBrush(pDc);
+
+ if (pdcattr->ulDirty_ & (DIRTY_LINE | DC_PEN_DIRTY))
+ DC_vUpdateLineBrush(pDc);
+
+ pNewPath = PATH_FlattenPath(pPath);
+
+ if (pNewPath->state != PATH_Closed)
+ {
+ EngSetLastError(ERROR_CAN_NOT_COMPLETE);
+ }
+ else if (pNewPath->numEntriesUsed)
+ {
+ bRet = PATH_FillPath(pDc, pNewPath);
+ if (bRet) bRet = PATH_StrokePath(pDc, pNewPath);
+ }
+ else bRet = TRUE;
+
+ PATH_UnlockPath(pNewPath);
+ PATH_Delete(pNewPath->BaseObject.hHmgr);
+
+ PATH_UnlockPath(pPath);
+ PATH_Delete(pPath->BaseObject.hHmgr);
+ pDc->dclevel.hPath = 0;
+ pDc->dclevel.flPath &= ~DCPATH_ACTIVE;
+
+ DC_vFinishBlit(pDc, NULL);
+ DC_UnlockDc(pDc);
+ return bRet;
}
BOOL
APIENTRY
NtGdiStrokePath(HDC hDC)
{
- DC *pDc;
- PDC_ATTR pdcattr;
- PPATH pPath;
- BOOL bRet = FALSE;
+ DC *pDc;
+ PDC_ATTR pdcattr;
+ PPATH pPath, pNewPath;
+ BOOL bRet = FALSE;
+
+ DPRINT("Enter %s\n", __FUNCTION__);
+
+ if (!(pDc = DC_LockDc(hDC)))
+ {
+ EngSetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ pPath = PATH_LockPath(pDc->dclevel.hPath);
+ if (!pPath)
+ {
+ DC_UnlockDc(pDc);
+ return FALSE;
+ }
+
+ DC_vPrepareDCsForBlit(pDc, NULL, NULL, NULL);
- DPRINT("Enter %s\n", __FUNCTION__);
+ pdcattr = pDc->pdcattr;
- if (!(pDc = DC_LockDc(hDC)))
- {
- EngSetLastError(ERROR_INVALID_PARAMETER);
- return FALSE;
- }
- pPath = PATH_LockPath( pDc->dclevel.hPath );
- if (!pPath)
- {
- DC_UnlockDc ( pDc );
- return FALSE;
- }
+ if (pdcattr->ulDirty_ & (DIRTY_LINE | DC_PEN_DIRTY))
+ DC_vUpdateLineBrush(pDc);
- DC_vPrepareDCsForBlit(pDc, pDc->rosdc.CombinedClip->rclBounds,
- NULL, pDc->rosdc.CombinedClip->rclBounds);
+ pNewPath = PATH_FlattenPath(pPath);
- pdcattr = pDc->pdcattr;
+ if (pNewPath->state != PATH_Closed)
+ {
+ EngSetLastError(ERROR_CAN_NOT_COMPLETE);
+ }
+ else bRet = PATH_StrokePath(pDc, pNewPath);
- if (pdcattr->ulDirty_ & (DIRTY_LINE | DC_PEN_DIRTY))
- DC_vUpdateLineBrush(pDc);
+ PATH_UnlockPath(pNewPath);
+ PATH_Delete(pNewPath->BaseObject.hHmgr);
- bRet = PATH_StrokePath(pDc, pPath);
+ DC_vFinishBlit(pDc, NULL);
- DC_vFinishBlit(pDc, NULL);
- PATH_EmptyPath(pPath);
+ PATH_UnlockPath(pPath);
+ PATH_Delete(pPath->BaseObject.hHmgr);
+ pDc->dclevel.hPath = 0;
+ pDc->dclevel.flPath &= ~DCPATH_ACTIVE;
- PATH_UnlockPath( pPath );
- DC_UnlockDc(pDc);
- return bRet;
+ DC_UnlockDc(pDc);
+ return bRet;
}
BOOL
APIENTRY
NtGdiWidenPath(HDC hDC)
{
- BOOL Ret;
- PDC pdc = DC_LockDc ( hDC );
- if ( !pdc )
- {
- EngSetLastError(ERROR_INVALID_PARAMETER);
- return FALSE;
- }
- Ret = PATH_WidenPath(pdc);
- DC_UnlockDc ( pdc );
- return Ret;
+ PPATH pPath;
+ BOOL Ret = FALSE;
+ PDC pdc = DC_LockDc(hDC);
+ DPRINT("NtGdiWidenPat Enter\n");
+ if (!pdc)
+ {
+ EngSetLastError(ERROR_INVALID_PARAMETER);
+ return FALSE;
+ }
+
+ pPath = PATH_WidenPath(pdc);
+ if (pPath)
+ {
+ DPRINT("WindenPath New Path\n");
+ PATH_Delete(pdc->dclevel.hPath);
+ pdc->dclevel.hPath = pPath->BaseObject.hHmgr;
+ Ret = TRUE;
+ }
+ DC_UnlockDc(pdc);
+ DPRINT("NtGdiWidenPat Ret %d\n",Ret);
+ return Ret;
}
/* EOF */
projects / reactos.git / blobdiff