+++ /dev/null
-/*
- * PROJECT: ReactOS win32 subsystem
- * LICENSE: GPL - See COPYING in the top level directory
- * PURPOSE: GDI font driver for bitmap fonts
- * PROGRAMMER: Timo Kreuzer (timo.kreuzer@reactos.org)
- */
-
-#include "bmfd.h"
-
-ULONG
-FORCEINLINE
-_ReadPixel(
- CHAR* pjBits,
- ULONG x,
- ULONG y,
- ULONG ulHeight)
-{
- CHAR j;
- j = pjBits[(x/8) * ulHeight + y];
- return (j >> (~x & 0x7)) & 1;
-}
-
-
-VOID
-FORCEINLINE
-_WritePixel(
- CHAR* pjBits,
- ULONG x,
- ULONG y,
- ULONG cjRow,
- ULONG color)
-{
- pjBits += y * cjRow;
- pjBits += x / 8;
- *pjBits |= color << (~x & 0x7);
-}
-
-
-PBMFD_FONT
-BmfdGetFontInstance(
- FONTOBJ *pfo,
- PBMFD_FACE pface)
-{
- PBMFD_FONT pfont = pfo->pvProducer;
- XFORMOBJ *pxo;
- FLOATOBJ_XFORM xfo;
-
- if (!pfont)
- {
- /* Allocate realization info */
- pfont = EngAllocMem(0, sizeof(BMFD_FONT), 0);
- if (!pfont)
- {
- return NULL;
- }
-
- pxo = FONTOBJ_pxoGetXform(pfo);
- XFORMOBJ_iGetFloatObjXform(pxo, &xfo);
-
- pfont->pfo = pfo;
- pfont->pface = pface;
- pfont->xScale = FLOATOBJ_GetLong(&xfo.eM11);
- pfont->yScale = FLOATOBJ_GetLong(&xfo.eM22);
- pfont->ulAngle = 0;
-
- /* Set the pvProducer member of the fontobj */
- pfo->pvProducer = pfont;
- }
-
- return pfont;
-}
-
-
-ULONG
-BmfdQueryGlyphAndBitmap(
- PBMFD_FONT pfont,
- HGLYPH hg,
- GLYPHDATA *pgd,
- GLYPHBITS *pgb,
- ULONG cjSize)
-{
- PBMFD_FACE pface = pfont->pface;
- PGLYPHENTRY pge = (PGLYPHENTRY)(pface->pCharTable + hg);
- ULONG xSrc, ySrc, cxSrc, cySrc;
- ULONG xDst, yDst, cxDst, cyDst;
- ULONG xScale, yScale;
- ULONG ulGlyphOffset, cjDstRow, color;
- PVOID pvSrc0, pvDst0;
-
- if (!pge)
- {
- DbgPrint("no glyph handle given!\n");
- return FD_ERROR;
- }
-
- /* Get the bitmap offset depending on file version */
- if (pface->ulVersion >= 0x300)
- {
- cxSrc = GETVAL(pge->ge20.geWidth);
- ulGlyphOffset = GETVAL(pge->ge30.geOffset);
- }
- else
- {
- cxSrc = GETVAL(pge->ge30.geWidth);
- ulGlyphOffset = GETVAL(pge->ge20.geOffset);
- }
- cySrc = pface->wPixHeight;
-
- /* Pointer to the bitmap bits */
- pvSrc0 = (PBYTE)pface->pFontInfo + ulGlyphOffset;
- pvDst0 = pgb->aj;
-
- xScale = pfont->xScale;
- yScale = pfont->yScale;
-
- /* Calculate extents of destination bitmap */
- if (pfont->ulAngle == 90 || pfont->ulAngle == 270)
- {
- cxDst = cySrc * xScale;
- cyDst = cxSrc * yScale;
- }
- else
- {
- cxDst = cxSrc * yScale;
- cyDst = cySrc * xScale;
- }
- cjDstRow = (cxDst + 7) / 8;
-
- if (pgd)
- {
- /* Fill GLYPHDATA structure */
- pgd->gdf.pgb = pgb;
- pgd->hg = hg;
- pgd->fxD = xScale * (pface->wA + cxDst + pface->wC) << 4;
- pgd->fxA = xScale * pface->wA << 4;
- pgd->fxAB = xScale * (pface->wA + cxDst) << 4;
- pgd->fxInkTop = yScale * pface->wAscent << 4;
- pgd->fxInkBottom = - yScale * (pface->wDescent << 4);
- pgd->rclInk.top = - yScale * pface->wAscent;
- pgd->rclInk.bottom = yScale * pface->wDescent;
- pgd->rclInk.left = xScale * pface->wA;
- pgd->rclInk.right = pgd->rclInk.left + cxDst;
- pgd->ptqD.x.LowPart = 0;
- pgd->ptqD.x.HighPart = pgd->fxD;
- pgd->ptqD.y.LowPart = 0;
- pgd->ptqD.y.HighPart = 0;
- }
-
- if (pgb)
- {
- /* Verify that the buffer is big enough */
- if (cjSize < FIELD_OFFSET(GLYPHBITS, aj) + cyDst * cjDstRow)
- {
- DbgPrint("Buffer too small (%ld), %ld,%ld\n",
- cjSize, cxSrc, cySrc);
- return FD_ERROR;
- }
-
- /* Fill GLYPHBITS structure */
- pgb->ptlOrigin.x = yScale * pface->wA;
- pgb->ptlOrigin.y = - yScale * pface->wAscent;
- pgb->sizlBitmap.cx = cxDst;
- pgb->sizlBitmap.cy = cyDst;
-
- /* Erase destination surface */
- memset(pvDst0, 0, cyDst * cjDstRow);
-
- switch (pfont->ulAngle)
- {
- case 90:
- /* Copy pixels */
- for (yDst = 0; yDst < cyDst ; yDst++)
- {
- xSrc = yDst / yScale;
- for (xDst = 0; xDst < cxDst; xDst++)
- {
- ySrc = (cxDst - xDst) / xScale;
- color = _ReadPixel(pvSrc0, xSrc, ySrc, cySrc);
- _WritePixel(pvDst0, xDst, yDst, cjDstRow, color);
- }
- }
- break;
-
- case 180:
- for (yDst = 0; yDst < cyDst ; yDst++)
- {
- ySrc = (cyDst - yDst) / yScale;
- for (xDst = 0; xDst < cxDst; xDst++)
- {
- xSrc = (cxDst - xDst) / xScale;
- color = _ReadPixel(pvSrc0, xSrc, ySrc, cySrc);
- _WritePixel(pvDst0, xDst, yDst, cjDstRow, color);
- }
- }
- break;
-
- case 270:
- for (yDst = 0; yDst < cyDst ; yDst++)
- {
- xSrc = (cyDst - yDst) / yScale;
- for (xDst = 0; xDst < cxDst; xDst++)
- {
- ySrc = xDst / xScale;
- color = _ReadPixel(pvSrc0, xSrc, ySrc, cySrc);
- _WritePixel(pvDst0, xDst, yDst, cjDstRow, color);
- }
- }
- break;
-
- case 0:
- default:
- for (yDst = 0; yDst < cyDst ; yDst++)
- {
- ySrc = yDst / yScale;
- for (xDst = 0; xDst < cxDst; xDst++)
- {
- xSrc = xDst / xScale;
- color = _ReadPixel(pvSrc0, xSrc, ySrc, cySrc);
- _WritePixel(pvDst0, xDst, yDst, cjDstRow, color);
- }
- }
- }
- }
-
- /* Return the size of the GLYPHBITS structure */
- return FIELD_OFFSET(GLYPHBITS, aj) + cyDst * cjDstRow;
-}
-
-ULONG
-BmfdQueryMaxExtents(
- PBMFD_FONT pfont,
- PFD_DEVICEMETRICS pfddm,
- ULONG cjSize)
-{
- ULONG cjMaxWidth, cjMaxBitmapSize;
- PFONTINFO16 pFontInfo;
- ULONG xScale, yScale;
-
- if (pfddm)
- {
- if (cjSize < sizeof(FD_DEVICEMETRICS))
- {
- /* Not enough space, fail */
- return FD_ERROR;
- }
-
- pFontInfo = pfont->pface->pFontInfo;
-
- xScale = pfont->xScale;
- yScale = pfont->yScale;
-
- /* Fill FD_DEVICEMETRICS */
- pfddm->flRealizedType = FDM_MASK;
- pfddm->pteBase.x = FLOATL_1;
- pfddm->pteBase.y = 0;
- pfddm->pteSide.x = 0;
- pfddm->pteSide.y = FLOATL_1;
- pfddm->ptlUnderline1.x = 0;
- pfddm->ptlUnderline1.y = 1;
- pfddm->ptlStrikeout.x = 0;
- pfddm->ptlStrikeout.y = -4;
- pfddm->ptlULThickness.x = 0;
- pfddm->ptlULThickness.y = 1;
- pfddm->ptlSOThickness.x = 0;
- pfddm->ptlSOThickness.y = 1;
- pfddm->lMinA = 0;
- pfddm->lMinC = 0;
- pfddm->lMinD = 0;
-
- if (pfont->ulAngle == 90 || pfont->ulAngle == 270)
- {
- pfddm->cxMax = xScale * GETVAL(pFontInfo->dfPixHeight);
- pfddm->cyMax = yScale * GETVAL(pFontInfo->dfMaxWidth);
- pfddm->fxMaxAscender = yScale * GETVAL(pFontInfo->dfAscent) << 4;
- pfddm->fxMaxDescender = (pfddm->cyMax << 4) - pfddm->fxMaxAscender;
- }
- else
- {
- pfddm->cxMax = xScale * GETVAL(pFontInfo->dfMaxWidth);
- pfddm->cyMax = yScale * GETVAL(pFontInfo->dfPixHeight);
- pfddm->fxMaxAscender = yScale * GETVAL(pFontInfo->dfAscent) << 4;
- pfddm->fxMaxDescender = (pfddm->cyMax << 4) - pfddm->fxMaxAscender;
- }
-
- pfddm->lD = pfddm->cxMax;
-
- /* Calculate Width in bytes */
- cjMaxWidth = ((pfddm->cxMax + 7) >> 3);
-
- /* Calculate size of the bitmap, rounded to DWORDs */
- cjMaxBitmapSize = ((cjMaxWidth * pfddm->cyMax) + 3) & ~3;
-
- /* cjGlyphMax is the full size of the GLYPHBITS structure */
- pfddm->cjGlyphMax = FIELD_OFFSET(GLYPHBITS, aj) + cjMaxBitmapSize;
-
- /* NOTE: fdxQuantized and NonLinear... stay unchanged */
- }
-
- /* Return the size of the structure */
- return sizeof(FD_DEVICEMETRICS);
-}
-
-
-/** Public Interface **********************************************************/
-
-PFD_GLYPHATTR
-APIENTRY
-BmfdQueryGlyphAttrs(
- FONTOBJ *pfo,
- ULONG iMode)
-{
- DbgPrint("BmfdQueryGlyphAttrs()\n");
- /* We don't support FO_ATTR_MODE_ROTATE */
- return NULL;
-}
-
-LONG
-APIENTRY
-BmfdQueryFontData(
- DHPDEV dhpdev,
- FONTOBJ *pfo,
- ULONG iMode,
- HGLYPH hg,
- OUT GLYPHDATA *pgd,
- PVOID pv,
- ULONG cjSize)
-{
- PBMFD_FILE pfile = (PBMFD_FILE)pfo->iFile;
- PBMFD_FACE pface = &pfile->aface[pfo->iFace - 1];
- PBMFD_FONT pfont= BmfdGetFontInstance(pfo, pface);
-
- DbgPrint("BmfdQueryFontData(pfo=%p, iMode=%ld, hg=%p, pgd=%p, pv=%p, cjSize=%ld)\n",
- pfo, iMode, hg, pgd, pv, cjSize);
-// __debugbreak();
-
- switch (iMode)
- {
- case QFD_GLYPHANDBITMAP: /* 1 */
- return BmfdQueryGlyphAndBitmap(pfont, hg, pgd, pv, cjSize);
-
- case QFD_MAXEXTENTS: /* 3 */
- return BmfdQueryMaxExtents(pfont, pv, cjSize);
-
- /* we support nothing else */
- default:
- return FD_ERROR;
-
- }
-
- return FD_ERROR;
-}
projects / reactos.git / blobdiff