gdi32: Introduce macros to calculate outline text metrics.

This commit is contained in:
Akihiro Sagawa 2013-03-14 20:08:12 +09:00 committed by Alexandre Julliard
parent afa527c1ae
commit 786b931e45
1 changed files with 34 additions and 30 deletions

View File

@ -6878,15 +6878,17 @@ static BOOL get_outline_text_metrics(GdiFont *font)
font->ntmCellHeight = ascent + descent;
font->ntmAvgWidth = pOS2->xAvgCharWidth;
#define SCALE_X(x) ((pFT_MulFix(x, x_scale) + 32) >> 6)
#define SCALE_Y(y) ((pFT_MulFix(y, y_scale) + 32) >> 6)
if(font->yMax) {
TM.tmAscent = font->yMax;
TM.tmDescent = -font->yMin;
TM.tmInternalLeading = (TM.tmAscent + TM.tmDescent) - ft_face->size->metrics.y_ppem;
} else {
TM.tmAscent = (pFT_MulFix(ascent, y_scale) + 32) >> 6;
TM.tmDescent = (pFT_MulFix(descent, y_scale) + 32) >> 6;
TM.tmInternalLeading = (pFT_MulFix(ascent + descent
- ft_face->units_per_EM, y_scale) + 32) >> 6;
TM.tmAscent = SCALE_Y(ascent);
TM.tmDescent = SCALE_Y(descent);
TM.tmInternalLeading = SCALE_Y(ascent + descent - ft_face->units_per_EM);
}
TM.tmHeight = TM.tmAscent + TM.tmDescent;
@ -6894,15 +6896,15 @@ static BOOL get_outline_text_metrics(GdiFont *font)
/* MSDN says:
el = MAX(0, LineGap - ((WinAscent + WinDescent) - (Ascender - Descender)))
*/
TM.tmExternalLeading = max(0, (pFT_MulFix(pHori->Line_Gap -
((ascent + descent) -
(pHori->Ascender - pHori->Descender)), y_scale) + 32) >> 6);
TM.tmExternalLeading = max(0, SCALE_Y(pHori->Line_Gap -
((ascent + descent) -
(pHori->Ascender - pHori->Descender))));
TM.tmAveCharWidth = (pFT_MulFix(pOS2->xAvgCharWidth, x_scale) + 32) >> 6;
TM.tmAveCharWidth = SCALE_X(pOS2->xAvgCharWidth);
if (TM.tmAveCharWidth == 0) {
TM.tmAveCharWidth = 1;
}
TM.tmMaxCharWidth = (pFT_MulFix(ft_face->bbox.xMax - ft_face->bbox.xMin, x_scale) + 32) >> 6;
TM.tmMaxCharWidth = SCALE_X(ft_face->bbox.xMax - ft_face->bbox.xMin);
TM.tmWeight = FW_REGULAR;
if (font->fake_bold)
TM.tmWeight = FW_BOLD;
@ -7036,36 +7038,38 @@ static BOOL get_outline_text_metrics(GdiFont *font)
font->potm->otmsCharSlopeRun = pHori->caret_Slope_Run;
font->potm->otmItalicAngle = 0; /* POST table */
font->potm->otmEMSquare = ft_face->units_per_EM;
font->potm->otmAscent = (pFT_MulFix(pOS2->sTypoAscender, y_scale) + 32) >> 6;
font->potm->otmDescent = (pFT_MulFix(pOS2->sTypoDescender, y_scale) + 32) >> 6;
font->potm->otmLineGap = (pFT_MulFix(pOS2->sTypoLineGap, y_scale) + 32) >> 6;
font->potm->otmsCapEmHeight = (pFT_MulFix(pOS2->sCapHeight, y_scale) + 32) >> 6;
font->potm->otmsXHeight = (pFT_MulFix(pOS2->sxHeight, y_scale) + 32) >> 6;
font->potm->otmrcFontBox.left = (pFT_MulFix(ft_face->bbox.xMin, x_scale) + 32) >> 6;
font->potm->otmrcFontBox.right = (pFT_MulFix(ft_face->bbox.xMax, x_scale) + 32) >> 6;
font->potm->otmrcFontBox.top = (pFT_MulFix(ft_face->bbox.yMax, y_scale) + 32) >> 6;
font->potm->otmrcFontBox.bottom = (pFT_MulFix(ft_face->bbox.yMin, y_scale) + 32) >> 6;
font->potm->otmAscent = SCALE_Y(pOS2->sTypoAscender);
font->potm->otmDescent = SCALE_Y(pOS2->sTypoDescender);
font->potm->otmLineGap = SCALE_Y(pOS2->sTypoLineGap);
font->potm->otmsCapEmHeight = SCALE_Y(pOS2->sCapHeight);
font->potm->otmsXHeight = SCALE_Y(pOS2->sxHeight);
font->potm->otmrcFontBox.left = SCALE_X(ft_face->bbox.xMin);
font->potm->otmrcFontBox.right = SCALE_X(ft_face->bbox.xMax);
font->potm->otmrcFontBox.top = SCALE_Y(ft_face->bbox.yMax);
font->potm->otmrcFontBox.bottom = SCALE_Y(ft_face->bbox.yMin);
font->potm->otmMacAscent = TM.tmAscent;
font->potm->otmMacDescent = -TM.tmDescent;
font->potm->otmMacLineGap = font->potm->otmLineGap;
font->potm->otmusMinimumPPEM = 0; /* TT Header */
font->potm->otmptSubscriptSize.x = (pFT_MulFix(pOS2->ySubscriptXSize, x_scale) + 32) >> 6;
font->potm->otmptSubscriptSize.y = (pFT_MulFix(pOS2->ySubscriptYSize, y_scale) + 32) >> 6;
font->potm->otmptSubscriptOffset.x = (pFT_MulFix(pOS2->ySubscriptXOffset, x_scale) + 32) >> 6;
font->potm->otmptSubscriptOffset.y = (pFT_MulFix(pOS2->ySubscriptYOffset, y_scale) + 32) >> 6;
font->potm->otmptSuperscriptSize.x = (pFT_MulFix(pOS2->ySuperscriptXSize, x_scale) + 32) >> 6;
font->potm->otmptSuperscriptSize.y = (pFT_MulFix(pOS2->ySuperscriptYSize, y_scale) + 32) >> 6;
font->potm->otmptSuperscriptOffset.x = (pFT_MulFix(pOS2->ySuperscriptXOffset, x_scale) + 32) >> 6;
font->potm->otmptSuperscriptOffset.y = (pFT_MulFix(pOS2->ySuperscriptYOffset, y_scale) + 32) >> 6;
font->potm->otmsStrikeoutSize = (pFT_MulFix(pOS2->yStrikeoutSize, y_scale) + 32) >> 6;
font->potm->otmsStrikeoutPosition = (pFT_MulFix(pOS2->yStrikeoutPosition, y_scale) + 32) >> 6;
font->potm->otmptSubscriptSize.x = SCALE_X(pOS2->ySubscriptXSize);
font->potm->otmptSubscriptSize.y = SCALE_Y(pOS2->ySubscriptYSize);
font->potm->otmptSubscriptOffset.x = SCALE_X(pOS2->ySubscriptXOffset);
font->potm->otmptSubscriptOffset.y = SCALE_Y(pOS2->ySubscriptYOffset);
font->potm->otmptSuperscriptSize.x = SCALE_X(pOS2->ySuperscriptXSize);
font->potm->otmptSuperscriptSize.y = SCALE_Y(pOS2->ySuperscriptYSize);
font->potm->otmptSuperscriptOffset.x = SCALE_X(pOS2->ySuperscriptXOffset);
font->potm->otmptSuperscriptOffset.y = SCALE_Y(pOS2->ySuperscriptYOffset);
font->potm->otmsStrikeoutSize = SCALE_Y(pOS2->yStrikeoutSize);
font->potm->otmsStrikeoutPosition = SCALE_Y(pOS2->yStrikeoutPosition);
if(!pPost) {
font->potm->otmsUnderscoreSize = 0;
font->potm->otmsUnderscorePosition = 0;
} else {
font->potm->otmsUnderscoreSize = (pFT_MulFix(pPost->underlineThickness, y_scale) + 32) >> 6;
font->potm->otmsUnderscorePosition = (pFT_MulFix(pPost->underlinePosition, y_scale) + 32) >> 6;
font->potm->otmsUnderscoreSize = SCALE_Y(pPost->underlineThickness);
font->potm->otmsUnderscorePosition = SCALE_Y(pPost->underlinePosition);
}
#undef SCALE_X
#undef SCALE_Y
#undef TM
/* otmp* members should clearly have type ptrdiff_t, but M$ knows best */