[WIN32K]
[reactos.git] / subsystems / win32 / win32k / objects / dclife.c
index d734284..71d3501 100644 (file)
@@ -106,8 +106,6 @@ DC_InitHack(PDC pdc)
     GdiSelectVisRgn(pdc->BaseObject.hHmgr, hVisRgn);
     GreDeleteObject(hVisRgn);
     ASSERT(pdc->prgnVis);
-    pdc->rosdc.bitsPerPixel = pdc->ppdev->gdiinfo.cBitsPixel *
-                              pdc->ppdev->gdiinfo.cPlanes;
 }
 
 VOID
@@ -117,11 +115,13 @@ DC_vInitDc(
     DCTYPE dctype,
     PPDEVOBJ ppdev)
 {
+#if 0
     if (dctype == DCTYPE_DIRECT)
     {
         /* Lock ppdev */
         EngAcquireSemaphoreShared(ppdev->hsemDevLock);
     }
+#endif
 
     /* Setup some basic fields */
     pdc->dctype = dctype;
@@ -453,6 +453,123 @@ leave:
     return ret;
 }
 
+
+int FASTCALL
+CLIPPING_UpdateGCRegion(DC* Dc);
+
+static
+void
+DC_vUpdateDC(PDC pdc)
+{
+    HRGN hVisRgn ;
+    PPDEVOBJ ppdev = pdc->ppdev ;
+
+    pdc->dhpdev = ppdev->dhpdev;
+
+    SURFACE_ShareUnlockSurface(pdc->dclevel.pSurface);
+    pdc->dclevel.pSurface = PDEVOBJ_pSurface(ppdev);
+
+    PDEVOBJ_sizl(pdc->ppdev, &pdc->dclevel.sizl);
+    hVisRgn = NtGdiCreateRectRgn(0, 0, pdc->dclevel.sizl.cx, pdc->dclevel.sizl.cy);
+    ASSERT(hVisRgn);
+    GdiSelectVisRgn(pdc->BaseObject.hHmgr, hVisRgn);
+    GreDeleteObject(hVisRgn);
+
+    pdc->flGraphicsCaps = ppdev->devinfo.flGraphicsCaps;
+    pdc->flGraphicsCaps2 = ppdev->devinfo.flGraphicsCaps2;
+
+    /* Mark EBRUSHOBJs as dirty */
+    pdc->pdcattr->ulDirty_ |= DIRTY_DEFAULT ;
+}
+
+/* Prepare a blit for up to 2 DCs */
+/* rc1 and rc2 are the rectangles where we want to draw or
+ * from where we take pixels. */
+VOID
+FASTCALL
+DC_vPrepareDCsForBlit(PDC pdc1,
+                      RECT rc1,
+                      PDC pdc2,
+                      RECT rc2)
+{
+    PDC pdcFirst, pdcSecond;
+    PRECT prcFirst, prcSecond;
+    /* Lock them in good order */
+    if(pdc2)
+    {
+        if((ULONG_PTR)pdc1->BaseObject.hHmgr >= (ULONG_PTR)pdc2->BaseObject.hHmgr)
+        {
+            pdcFirst = pdc1;
+            prcFirst = &rc1;
+            pdcSecond = pdc2;
+            prcSecond = &rc2;
+        }
+        else
+        {
+            pdcFirst = pdc2;
+            prcFirst = &rc2;
+            pdcSecond = pdc1;
+            prcSecond = &rc1;
+        }
+    }
+    else
+    {
+        pdcFirst = pdc1 ;
+        prcFirst = &rc1;
+        pdcSecond = NULL ;
+    }
+
+    if(pdcFirst && pdcFirst->dctype == DCTYPE_DIRECT)
+    {
+        EngAcquireSemaphore(pdcFirst->ppdev->hsemDevLock);
+        MouseSafetyOnDrawStart(pdcFirst->ppdev,
+                                    prcFirst->left,
+                                    prcFirst->top,
+                                    prcFirst->right,
+                                    prcFirst->bottom) ;
+        /* Update surface if needed */
+        if(pdcFirst->ppdev->pSurface != pdcFirst->dclevel.pSurface)
+        {
+            DC_vUpdateDC(pdcFirst);
+        }
+    }
+    if(pdcSecond && pdcSecond->dctype == DCTYPE_DIRECT)
+    {
+        EngAcquireSemaphore(pdcSecond->ppdev->hsemDevLock);
+        MouseSafetyOnDrawStart(pdcSecond->ppdev,
+                                    prcSecond->left,
+                                    prcSecond->top,
+                                    prcSecond->right,
+                                    prcSecond->bottom) ;
+        /* Update surface if needed */
+        if(pdcSecond->ppdev->pSurface != pdcSecond->dclevel.pSurface)
+        {
+            DC_vUpdateDC(pdcSecond);
+        }
+    }
+}
+
+/* Finishes a blit for one or two DCs */
+VOID
+FASTCALL
+DC_vFinishBlit(PDC pdc1, PDC pdc2)
+{
+    if(pdc1->dctype == DCTYPE_DIRECT)
+    {
+        MouseSafetyOnDrawEnd(pdc1->ppdev);
+        EngReleaseSemaphore(pdc1->ppdev->hsemDevLock);
+    }
+
+    if(pdc2)
+    {
+        if(pdc2->dctype == DCTYPE_DIRECT)
+        {
+            MouseSafetyOnDrawEnd(pdc2->ppdev);
+            EngReleaseSemaphore(pdc2->ppdev->hsemDevLock);
+        }
+    }
+}
+
 HDC
 NTAPI
 GreOpenDCW(
@@ -733,14 +850,74 @@ NtGdiDeleteObjectApp(HANDLE DCHandle)
     return IntGdiDeleteDC(DCHandle, FALSE);
 }
 
+BOOL
+FASTCALL
+MakeInfoDC(PDC pdc, BOOL bSet)
+{
+    PSURFACE pSurface;
+    SIZEL sizl;
+
+    /* Can not be a display DC. */
+    if (pdc->fs & DC_FLAG_DISPLAY) return FALSE;
+    if (bSet)
+    {
+        if (pdc->fs & DC_FLAG_TEMPINFODC || pdc->dctype == DC_TYPE_DIRECT)
+            return FALSE;
+
+        pSurface = pdc->dclevel.pSurface;
+        pdc->fs |= DC_FLAG_TEMPINFODC;
+        pdc->pSurfInfo = pSurface;
+        pdc->dctype = DC_TYPE_INFO;
+        pdc->dclevel.pSurface = NULL;
+
+        PDEVOBJ_sizl(pdc->ppdev, &sizl);
+
+        if ( sizl.cx == pdc->dclevel.sizl.cx &&
+             sizl.cy == pdc->dclevel.sizl.cy )
+            return TRUE;
+
+        pdc->dclevel.sizl.cx = sizl.cx;
+        pdc->dclevel.sizl.cy = sizl.cy;
+    }
+    else
+    {
+        if (!(pdc->fs & DC_FLAG_TEMPINFODC) || pdc->dctype != DC_TYPE_INFO)
+            return FALSE;
+
+        pSurface = pdc->pSurfInfo;
+        pdc->fs &= ~DC_FLAG_TEMPINFODC;
+        pdc->dclevel.pSurface = pSurface;
+        pdc->dctype = DC_TYPE_DIRECT;
+        pdc->pSurfInfo = NULL;
+
+        if ( !pSurface ||
+             (pSurface->SurfObj.sizlBitmap.cx == pdc->dclevel.sizl.cx &&
+              pSurface->SurfObj.sizlBitmap.cy == pdc->dclevel.sizl.cy) )
+            return TRUE;
+
+        pdc->dclevel.sizl.cx = pSurface->SurfObj.sizlBitmap.cx;
+        pdc->dclevel.sizl.cy = pSurface->SurfObj.sizlBitmap.cy;
+    }
+    return IntSetDefaultRegion(pdc);
+}
+
+/*
+* @implemented
+*/
 BOOL
 APIENTRY
 NtGdiMakeInfoDC(
     IN HDC hdc,
     IN BOOL bSet)
 {
-    UNIMPLEMENTED;
-    ASSERT(FALSE);
+    BOOL Ret;
+    PDC pdc = DC_LockDc(hdc);
+    if (pdc)
+    {
+        Ret = MakeInfoDC(pdc, bSet);
+        DC_UnlockDc(pdc);
+        return Ret;
+    }
     return FALSE;
 }