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[FONT][WIN32SS] Improve font coordinate transformation (#1238)

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Improve TextOut/ExtTextOut font rendering with SetWorldTransform. CORE-15554, CORE-15623
This commit is contained in:
Katayama Hirofumi MZ 2019-01-31 11:57:28 +09:00 committed by GitHub
parent 62f6e3b397
commit 64987cf273
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 144 additions and 168 deletions
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303
win32ss/gdi/ntgdi/freetype.c
View file

@ -703,11 +703,11 @@ FtMatrixFromMx(FT_Matrix *pmat, PMATRIX pmx)
FLOATOBJ_MulLong(&ef, 0x00010000);
pmat->xx = FLOATOBJ_GetLong(&ef);
ef = pmx->efM12;
ef = pmx->efM21;
FLOATOBJ_MulLong(&ef, 0x00010000);
pmat->xy = FLOATOBJ_GetLong(&ef);
ef = pmx->efM21;
ef = pmx->efM12;
FLOATOBJ_MulLong(&ef, 0x00010000);
pmat->yx = FLOATOBJ_GetLong(&ef);
@ -5531,7 +5531,7 @@ GreExtTextOutW(
FT_Face face;
FT_GlyphSlot glyph;
FT_BitmapGlyph realglyph;
LONGLONG TextLeft64, TextTop64, TextWidth64, RealXStart64;
LONGLONG TextLeft64, TextTop64, DeltaX64, DeltaY64, XStart64, YStart64;
ULONG previous;
FT_Bool use_kerning;
RECTL DestRect, MaskRect;
@ -5555,10 +5555,8 @@ GreExtTextOutW(
BOOL EmuBold, EmuItalic;
int thickness;
BOOL bResult;
INT DY1, DY2;
FT_Matrix mat1, mat2 = identityMat;
FT_Matrix mat = identityMat, matWidth, matEscape, matWorld;
FT_Vector vecs[9];
POINT pts[9];
/* Check if String is valid */
if ((Count > 0xFFFF) || (Count > 0 && String == NULL))
@ -5619,10 +5617,6 @@ GreExtTextOutW(
Start.y = YStart;
}
IntLPtoDP(dc, &Start, 1);
RealXStart64 = ((LONGLONG)Start.x + dc->ptlDCOrig.x) << 6;
YStart = Start.y + dc->ptlDCOrig.y;
SourcePoint.x = 0;
SourcePoint.y = 0;
MaskRect.left = 0;
@ -5720,55 +5714,39 @@ GreExtTextOutW(
}
/* NOTE: Don't trust face->size->metrics.ascender and descender values. */
DC_vUpdateWorldToDevice(dc);
if (dc->pdcattr->iGraphicsMode == GM_ADVANCED)
{
pmxWorldToDevice = DC_pmxWorldToDevice(dc);
FtSetCoordinateTransform(face, pmxWorldToDevice);
}
else
{
pmxWorldToDevice = (PMATRIX)&gmxWorldToDeviceDefault;
FtSetCoordinateTransform(face, pmxWorldToDevice);
}
/*
* Process the vertical alignment and determine DY1 and DY2.
*/
#define VALIGN_MASK (TA_TOP | TA_BASELINE | TA_BOTTOM)
if ((pdcattr->lTextAlign & VALIGN_MASK) == TA_BASELINE)
{
DY1 = FontGDI->tmAscent;
DY2 = FontGDI->tmDescent;
}
else if ((pdcattr->lTextAlign & VALIGN_MASK) == TA_BOTTOM)
{
DY1 = FontGDI->tmHeight;
DY2 = 0;
}
else /* TA_TOP */
{
DY1 = 0;
DY2 = FontGDI->tmHeight;
}
#undef VALIGN_MASK
IntWidthMatrix(face, &matWidth, lfWidth);
FT_Matrix_Multiply(&matWidth, &mat);
IntWidthMatrix(face, &mat1, lfWidth);
FT_Matrix_Multiply(&mat1, &mat2);
FT_Set_Transform(face, &mat2, NULL);
IntEscapeMatrix(&matEscape, lfEscapement);
FT_Matrix_Multiply(&matEscape, &mat);
/*
* Calculate width of the text.
*/
TextWidth64 = 0;
FtMatrixFromMx(&matWorld, pmxWorldToDevice);
matWorld.yx = -matWorld.yx;
matWorld.xy = -matWorld.xy;
FT_Matrix_Multiply(&matWorld, &mat);
FT_Set_Transform(face, &mat, NULL);
// Calculate displacement of the text.
DeltaX64 = DeltaY64 = 0;
DxShift = fuOptions & ETO_PDY ? 1 : 0;
use_kerning = FT_HAS_KERNING(face);
previous = 0;
if ((fuOptions & ETO_OPAQUE) ||
(pdcattr->lTextAlign & (TA_CENTER | TA_RIGHT)) ||
lfEscapement || plf->lfUnderline || plf->lfStrikeOut)
memcmp(&mat, &identityMat, sizeof(mat)) != 0 ||
plf->lfUnderline || plf->lfStrikeOut)
{
TextLeft64 = RealXStart64;
TextTop64 = YStart << 6;
for (i = 0; i < Count; ++i)
{
glyph_index = get_glyph_index_flagged(face, String[i], ETO_GLYPH_INDEX, fuOptions);
@ -5802,50 +5780,52 @@ GreExtTextOutW(
{
FT_Vector delta;
FT_Get_Kerning(face, previous, glyph_index, 0, &delta);
TextLeft64 += delta.x;
DeltaX64 += delta.x;
DeltaY64 -= delta.y;
}
if (Dx == NULL)
{
TextLeft64 += realglyph->root.advance.x >> 10;
DeltaX64 += realglyph->root.advance.x >> 10;
DeltaY64 -= realglyph->root.advance.y >> 10;
}
else
{
// FIXME this should probably be a matrix transform with TextTop64 as well.
// FIXME this should probably be a matrix transform with DeltaY64 as well.
Scale = pdcattr->mxWorldToDevice.efM11;
if (FLOATOBJ_Equal0(&Scale))
FLOATOBJ_Set1(&Scale);
/* do the shift before multiplying to preserve precision */
FLOATOBJ_MulLong(&Scale, Dx[i << DxShift] << 6);
TextLeft64 += FLOATOBJ_GetLong(&Scale);
DeltaX64 += FLOATOBJ_GetLong(&Scale);
}
if (DxShift)
{
TextTop64 -= Dx[2 * i + 1] << 6;
DeltaY64 -= Dx[2 * i + 1] << 6;
}
previous = glyph_index;
FT_Done_Glyph((FT_Glyph)realglyph);
}
TextWidth64 = TextLeft64 - RealXStart64;
}
/*
* Process the horizontal alignment and modify XStart accordingly.
*/
// Process the X and Y alignments.
if ((pdcattr->lTextAlign & TA_CENTER) == TA_CENTER)
{
RealXStart64 -= TextWidth64 / 2;
XStart64 = -DeltaX64 / 2;
YStart64 = -DeltaY64 / 2;
}
else if ((pdcattr->lTextAlign & TA_RIGHT) == TA_RIGHT)
{
RealXStart64 -= TextWidth64;
if (((RealXStart64 + TextWidth64 + 32) >> 6) <= Start.x + dc->ptlDCOrig.x)
RealXStart64 += 1 << 6;
XStart64 = -DeltaX64;
YStart64 = -DeltaY64;
}
else
{
XStart64 = YStart64 = 0;
}
psurf = dc->dclevel.pSurface;
@ -5866,23 +5846,30 @@ GreExtTextOutW(
thickness = 1;
}
IntEscapeMatrix(&mat1, lfEscapement);
FT_Matrix_Multiply(&mat1, &mat2);
FT_Set_Transform(face, &mat2, NULL);
// background rectangle
vecs[0].x = 0;
vecs[0].y = (DY1 - FontGDI->tmHeight) << 16; // Top Left
vecs[1].x = TextWidth64 << 10;
vecs[1].y = (DY1 - FontGDI->tmHeight) << 16; // Top Right
vecs[2].x = TextWidth64 << 10;
vecs[2].y = DY1 << 16; // Bottom Right
vecs[3].x = 0;
vecs[3].y = DY1 << 16; // Bottom Left
// the starting point
vecs[4].x = 0;
vecs[4].y = (DY1 - FontGDI->tmAscent) << 16;
/* Process the vertical alignment */
#define VALIGN_MASK (TA_TOP | TA_BASELINE | TA_BOTTOM)
RtlZeroMemory(vecs, sizeof(vecs));
if ((pdcattr->lTextAlign & VALIGN_MASK) == TA_BASELINE)
{
vecs[1].y = -FontGDI->tmAscent << 16; // upper left
vecs[4].y = 0; // baseline
vecs[0].y = FontGDI->tmDescent << 16; // lower left
}
else if ((pdcattr->lTextAlign & VALIGN_MASK) == TA_BOTTOM)
{
vecs[1].y = -FontGDI->tmHeight << 16; // upper left
vecs[4].y = -FontGDI->tmDescent << 16; // baseline
vecs[0].y = 0; // lower left
}
else /* TA_TOP */
{
vecs[1].y = 0; // upper left
vecs[4].y = FontGDI->tmAscent << 16; // baseline
vecs[0].y = FontGDI->tmHeight << 16; // lower left
}
vecs[2] = vecs[1]; // upper right
vecs[3] = vecs[0]; // lower right
#undef VALIGN_MASK
// underline
if (plf->lfUnderline)
@ -5893,65 +5880,62 @@ GreExtTextOutW(
position = face->underline_position *
face->size->metrics.y_ppem / face->units_per_EM;
}
vecs[5].x = 0;
vecs[5].y = (DY1 - FontGDI->tmAscent + position) << 16;
vecs[6].x = TextWidth64 << 10;
vecs[6].y = (DY1 - FontGDI->tmAscent + position) << 16;
vecs[5].y = vecs[6].y = vecs[4].y - (position << 16);
}
// strike through
if (plf->lfStrikeOut)
{
vecs[7].x = 0;
vecs[7].y = (DY1 - FontGDI->tmAscent + (FontGDI->tmAscent / 3)) << 16;
vecs[8].x = TextWidth64 << 10;
vecs[8].y = (DY1 - FontGDI->tmAscent + (FontGDI->tmAscent / 3)) << 16;
vecs[7].y = vecs[8].y = vecs[4].y - ((FontGDI->tmAscent / 3) << 16);
}
// convert vecs to pts
// invert y axis
IntEscapeMatrix(&matEscape, -lfEscapement);
// convert vecs
for (i = 0; i < 9; ++i)
{
FT_Vector_Transform(&vecs[i], &mat1);
pts[i].x = (RealXStart64 >> 6) + (vecs[i].x >> 16);
pts[i].y = YStart - (vecs[i].y >> 16);
POINT pt;
FT_Vector_Transform(&vecs[i], &matWidth);
FT_Vector_Transform(&vecs[i], &matEscape);
vecs[i].x += (Start.x << 16) + (XStart64 << 10);
vecs[i].y += (Start.y << 16) + (YStart64 << 10);
pt.x = vecs[i].x >> 16;
pt.y = vecs[i].y >> 16;
IntLPtoDP(dc, &pt, 1);
vecs[i].x = pt.x + dc->ptlDCOrig.x;
vecs[i].y = pt.y + dc->ptlDCOrig.y;
}
vecs[2].x += DeltaX64 >> 6;
vecs[2].y += DeltaY64 >> 6; // upper right
vecs[3].x += DeltaX64 >> 6;
vecs[3].y += DeltaY64 >> 6; // lower right
vecs[6].x += DeltaX64 >> 6;
vecs[6].y += DeltaY64 >> 6; // underline right
vecs[8].x += DeltaX64 >> 6;
vecs[8].y += DeltaY64 >> 6; // strike through right
if (fuOptions & ETO_OPAQUE)
{
/* Draw background */
RECTL Rect;
INT X1 = ((RealXStart64 + 32) >> 6);
switch (lfEscapement)
{
case 0:
Rect.left = X1;
Rect.top = ((TextTop64 + 32) >> 6) - DY1;
Rect.right = (RealXStart64 + TextWidth64 + 32) >> 6;
Rect.bottom = ((TextTop64 + 32) >> 6) + DY2;
break;
case 90 * 10:
Rect.left = X1 - DY1;
Rect.top = ((TextTop64 - TextWidth64 + 32) >> 6);
Rect.right = X1 + DY2;
Rect.bottom = ((TextTop64 + 32) >> 6);
break;
case 180 * 10:
Rect.left = (RealXStart64 - TextWidth64 + 32) >> 6;
Rect.top = ((TextTop64 + 32) >> 6) - DY2;
Rect.right = X1;
Rect.bottom = ((TextTop64 + 32) >> 6) + DY1;
break;
case 270 * 10:
Rect.left = X1 - DY2;
Rect.top = ((TextTop64 + 32) >> 6);
Rect.right = X1 + DY1;
Rect.bottom = ((TextTop64 + TextWidth64 + 32) >> 6);
break;
default:
DPRINT1("FIXME: Not implemented lfEscapement\n");
RtlZeroMemory(&Rect, sizeof(Rect));
// FIXME: Use pts[0] ... pts[3] and EngFillPath
if ((mat.xy == 0 && mat.yx == 0) || (mat.xx == 0 && mat.yy == 0))
{
Rect.left = Rect.top = MAXLONG;
Rect.right = Rect.bottom = MINLONG;
for (i = 0; i < 4; ++i)
{
Rect.left = min(Rect.left, vecs[i].x);
Rect.top = min(Rect.top, vecs[i].y);
Rect.right = max(Rect.right, vecs[i].x);
Rect.bottom = max(Rect.bottom, vecs[i].y);
}
}
else
{
// FIXME: Use vecs[0] ... vecs[3] and EngFillPath
}
if (dc->fs & (DC_ACCUM_APP | DC_ACCUM_WMGR))
@ -5988,18 +5972,18 @@ GreExtTextOutW(
EXLATEOBJ_vInitialize(&exloRGB2Dst, &gpalRGB, psurf->ppal, 0, 0, 0);
EXLATEOBJ_vInitialize(&exloDst2RGB, psurf->ppal, &gpalRGB, 0, 0, 0);
/*
* The main rendering loop.
*/
// The main rendering loop.
bResult = TRUE;
TextLeft64 = pts[4].x << 6;
TextTop64 = pts[4].y << 6;
TextLeft64 = vecs[4].x << 6;
TextTop64 = vecs[4].y << 6;
previous = 0;
for (i = 0; i < Count; ++i)
{
BOOL bNeedCache = (!EmuBold && !EmuItalic &&
memcmp(&mat, &identityMat, sizeof(mat)) == 0);
glyph_index = get_glyph_index_flagged(face, String[i], ETO_GLYPH_INDEX, fuOptions);
realglyph = NULL;
if (!EmuBold && !EmuItalic && !lfEscapement)
if (bNeedCache)
{
realglyph = ftGdiGlyphCacheGet(face, glyph_index, plf->lfHeight,
RenderMode, pmxWorldToDevice);
@ -6013,17 +5997,8 @@ GreExtTextOutW(
bResult = FALSE;
break;
}
glyph = face->glyph;
if (EmuBold || EmuItalic || lfEscapement)
{
if (EmuBold)
FT_GlyphSlot_Embolden(glyph);
if (EmuItalic)
FT_GlyphSlot_Oblique(glyph);
realglyph = ftGdiGlyphSet(face, glyph, RenderMode);
}
else
if (bNeedCache)
{
realglyph = ftGdiGlyphCacheSet(face,
glyph_index,
@ -6032,6 +6007,14 @@ GreExtTextOutW(
glyph,
RenderMode);
}
else
{
if (EmuBold)
FT_GlyphSlot_Embolden(glyph);
if (EmuItalic)
FT_GlyphSlot_Oblique(glyph);
realglyph = ftGdiGlyphSet(face, glyph, RenderMode);
}
if (!realglyph)
{
DPRINT1("Failed to render glyph! [index: %d]\n", glyph_index);
@ -6046,6 +6029,7 @@ GreExtTextOutW(
FT_Vector delta;
FT_Get_Kerning(face, previous, glyph_index, 0, &delta);
TextLeft64 += delta.x;
TextTop64 -= delta.y;
}
DPRINT("TextLeft64: %I64d\n", TextLeft64);
DPRINT("TextTop64: %I64d\n", TextTop64);
@ -6155,6 +6139,7 @@ GreExtTextOutW(
TextLeft64 += realglyph->root.advance.x >> 10;
TextTop64 -= realglyph->root.advance.y >> 10;
DPRINT("New TextLeft64: %I64d\n", TextLeft64);
DPRINT("New TextTop64: %I64d\n", TextTop64);
}
else
{
@ -6177,7 +6162,7 @@ GreExtTextOutW(
previous = glyph_index;
/* No cache, so clean up */
if (EmuBold || EmuItalic || lfEscapement)
if (!bNeedCache)
{
FT_Done_Glyph((FT_Glyph)realglyph);
}
@ -6185,43 +6170,26 @@ GreExtTextOutW(
if (plf->lfUnderline || plf->lfStrikeOut)
{
INT x0, y0, x1, y1;
if (pts[0].x < pts[2].x)
{
x0 = pts[0].x;
x1 = pts[2].x;
}
else
{
x0 = pts[2].x;
x1 = pts[0].x;
}
if (pts[0].y < pts[2].y)
{
y0 = pts[0].y;
y1 = pts[2].y;
}
else
{
y0 = pts[2].y;
y1 = pts[0].y;
}
INT x0 = min(vecs[0].x, vecs[2].x);
INT y0 = min(vecs[0].y, vecs[2].y);
INT x1 = max(vecs[0].x, vecs[2].x);
INT y1 = max(vecs[0].y, vecs[2].y);
if (dc->dctype == DCTYPE_DIRECT)
MouseSafetyOnDrawStart(dc->ppdev, x0, y0, x1, y1);
}
if (plf->lfUnderline)
{
INT i, nEscape = lfEscapement % (180 * 10);
for (i = -thickness / 2; i < -thickness / 2 + thickness; ++i)
{
if (nEscape < 45 * 10 || nEscape > (180 - 45) * 10)
LONG dx = (LONG)(DeltaX64 >> 6), dy = (LONG)(DeltaY64 >> 6);
if (labs(dx) > labs(dy))
{
// move vertical
EngLineTo(SurfObj, (CLIPOBJ *)&dc->co,
&dc->eboText.BrushObject,
pts[5].x, pts[5].y + i,
pts[6].x, pts[6].y + i,
vecs[5].x, vecs[5].y + i,
vecs[6].x, vecs[6].y + i,
NULL, ROP2_TO_MIX(R2_COPYPEN));
}
else
@ -6229,8 +6197,8 @@ GreExtTextOutW(
// move horizontal
EngLineTo(SurfObj, (CLIPOBJ *)&dc->co,
&dc->eboText.BrushObject,
pts[5].x + i, pts[5].y,
pts[6].x + i, pts[6].y,
vecs[5].x + i, vecs[5].y,
vecs[6].x + i, vecs[6].y,
NULL, ROP2_TO_MIX(R2_COPYPEN));
}
}
@ -6238,16 +6206,16 @@ GreExtTextOutW(
if (plf->lfStrikeOut)
{
INT i, nEscape = lfEscapement % (180 * 10);
for (i = -thickness / 2; i < -thickness / 2 + thickness; ++i)
{
if (nEscape < 45 * 10 || nEscape > (180 - 45) * 10)
LONG dx = (LONG)(DeltaX64 >> 6), dy = (LONG)(DeltaY64 >> 6);
if (labs(dx) > labs(dy))
{
// move vertical
EngLineTo(SurfObj, (CLIPOBJ *)&dc->co,
&dc->eboText.BrushObject,
pts[7].x, pts[7].y + i,
pts[8].x, pts[8].y + i,
vecs[7].x, vecs[7].y + i,
vecs[8].x, vecs[8].y + i,
NULL, ROP2_TO_MIX(R2_COPYPEN));
}
else
@ -6255,10 +6223,9 @@ GreExtTextOutW(
// move horizontal
EngLineTo(SurfObj, (CLIPOBJ *)&dc->co,
&dc->eboText.BrushObject,
pts[7].x + i, pts[7].y,
pts[8].x + i, pts[8].y,
NULL,
ROP2_TO_MIX(R2_COPYPEN));
vecs[7].x + i, vecs[7].y,
vecs[8].x + i, vecs[8].y,
NULL, ROP2_TO_MIX(R2_COPYPEN));
}
}
}

11
win32ss/gdi/ntgdi/xformobj.c
View file

@ -150,12 +150,21 @@ XFORMOBJ_iSetXform(
IN const XFORML *pxform)
{
PMATRIX pmx = XFORMOBJ_pmx(pxo);
FLOATOBJ ef1, ef2, efTemp;
/* Check parameters */
if (!pxo || !pxform) return DDI_ERROR;
/* Check if the xform is valid */
if ((pxform->eM11 == 0) || (pxform->eM22 == 0)) return DDI_ERROR;
/* M11 * M22 - M12 * M21 != 0 */
FLOATOBJ_SetFloat(&ef1, pxform->eM11);
FLOATOBJ_SetFloat(&efTemp, pxform->eM22);
FLOATOBJ_Mul(&ef1, &efTemp);
FLOATOBJ_SetFloat(&ef2, pxform->eM12);
FLOATOBJ_SetFloat(&efTemp, pxform->eM21);
FLOATOBJ_Mul(&ef2, &efTemp);
if (FLOATOBJ_Equal(&ef1, &ef2))
return DDI_ERROR;
/* Copy members */
FLOATOBJ_SetFloat(&pmx->efM11, pxform->eM11);