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home:rhabacker:branches:windows:mingw:win32
mingw32-libqt4
qt4-fake-bold.patch
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File qt4-fake-bold.patch of Package mingw32-libqt4
--- src/gui/text/qfontdatabase_x11.cpp +++ src/gui/text/qfontdatabase_x11.cpp @@ -783,6 +783,13 @@ ? QFont::StyleOblique : QFont::StyleNormal); + FcBool embolden; +#ifdef FC_EMBOLDEN + if (FcPatternGetBool(pattern, FC_EMBOLDEN, 0, &embolden) != FcResultMatch) +#endif + embolden = false; + if(embolden) + fontDef.weight=QFont::Bold; FcBool scalable; if (FcPatternGetBool(pattern, FC_SCALABLE, 0, &scalable) != FcResultMatch) @@ -1329,10 +1336,25 @@ if (! enc) continue; // should not happen either QtFontStyle::Key key = style->key; - + // does this style have a bold equivalent? + key.weight = QFont::Bold; + QtFontStyle *equiv = foundry->style(key); + if (!equiv) { + // let's fake one... + equiv = foundry->style(key, true); + equiv->smoothScalable = true; + + QtFontSize *equiv_size = equiv->pixelSize(SMOOTH_SCALABLE, true); + QtFontEncoding *equiv_enc = equiv_size->encodingID(-1, 0, 0, 0, 0, true); + + // keep the same pitch + equiv_enc->pitch = enc->pitch; + key.weight = QFont::Normal; + } // does this style have an italic equivalent? key.style = QFont::StyleItalic; - QtFontStyle *equiv = foundry->style(key); +// QtFontStyle *equiv = foundry->style(key); + equiv = foundry->style( key ); if (equiv) continue; // does this style have an oblique equivalent? @@ -1449,7 +1471,10 @@ else if (request.weight < (QFont::Bold + QFont::Black) / 2) weight_value = FC_WEIGHT_BOLD; FcPatternAddInteger(pattern, FC_WEIGHT, weight_value); - +#ifdef FC_EMBOLDEN + if(request.weight == QFont::Bold) + FcPatternAddBool(pattern, FC_EMBOLDEN, true); +#endif int slant_value = FC_SLANT_ROMAN; if (request.style == QFont::StyleItalic) slant_value = FC_SLANT_ITALIC; --- src/gui/text/qfontengine_ft.cpp +++ src/gui/text/qfontengine_ft.cpp @@ -65,7 +65,10 @@ #include FT_TRUETYPE_TABLES_H #include FT_TYPE1_TABLES_H #include FT_GLYPH_H - +#ifdef FT_SYNTHESIS_H +#define HAVE_FT_GLYPHSLOT_EMBOLDEN 1 +#include FT_SYNTHESIS_H +#endif QT_BEGIN_NAMESPACE /* @@ -516,6 +519,7 @@ kerning_pairs_loaded = false; transform = false; antialias = true; + embolden = false; default_load_flags = FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH; subpixelType = Subpixel_None; defaultGlyphFormat = Format_None; @@ -536,10 +540,11 @@ freeServerGlyphSet(transformedGlyphSets.at(i).id); } -bool QFontEngineFT::init(FaceId faceId, bool antialias, GlyphFormat defaultFormat) +bool QFontEngineFT::init(FaceId faceId, bool antialias, GlyphFormat defaultFormat, bool embolden) { defaultGlyphFormat = defaultFormat; this->antialias = antialias; + this->embolden = embolden; face_id = faceId; freetype = QFreetypeFace::getFace(face_id); if (!freetype) { @@ -680,7 +685,52 @@ return 0; FT_GlyphSlot slot = face->glyph; - + if(embolden && (face->style_flags & FT_STYLE_FLAG_BOLD) == 0) + { + //if not antialias and no bitmap, for example, dongwensong English characters. + //for DongWenSong Chinese character, if it not antialias, it will use bitmap output. + if(!antialias && slot->format == FT_GLYPH_FORMAT_OUTLINE) + { + int left = slot->metrics.horiBearingX; + int right = slot->metrics.horiBearingX + slot->metrics.width; + int top = slot->metrics.horiBearingY; + int bottom = slot->metrics.horiBearingY - slot->metrics.height; + int hpixels = TRUNC(right - left)+4; + if (hsubpixel) + hpixels = hpixels*3 + 8; + int width = hpixels; + int height = TRUNC(top - bottom); + if (hsubpixel) { + width /= 3; + } + int pitch = (format == Format_Mono ? ((width + 31) & ~31) >> 3 : + (format == Format_A8 ? (width + 3) & ~3 : width * 4)); + int size = pitch * height; + uchar *glyph_buffer = new uchar[size]; + + slot->bitmap.rows = height*vfactor; + slot->bitmap.width = hpixels; + slot->bitmap.pitch = format == Format_Mono ? (((width + 31) & ~31) >> 3) : ((slot->bitmap.width + 3) & ~3); + slot->bitmap.buffer = new uchar[slot->bitmap.rows*slot->bitmap.pitch]; + if (!hsubpixel && vfactor == 1) + slot->bitmap.buffer = glyph_buffer; + else + slot->bitmap.buffer = new uchar[slot->bitmap.rows*slot->bitmap.pitch]; + memset(slot->bitmap.buffer, 0, slot->bitmap.rows*slot->bitmap.pitch); + slot->bitmap.pixel_mode = ft_pixel_mode_mono; + FT_Matrix matrix; + matrix.xx = (hsubpixel ? 3 : 1) << 16; + matrix.yy = vfactor << 16; + matrix.yx = matrix.xy = 0; + FT_Outline_Transform(&slot->outline, &matrix); + FT_Outline_Translate (&slot->outline, (hsubpixel ? -3*left +(4<<6) : -left), -bottom*vfactor); + FT_Outline_Get_Bitmap(qt_getFreetype(), &slot->outline, &slot->bitmap); + slot->format = FT_GLYPH_FORMAT_BITMAP; + FT_GlyphSlot_Embolden(slot); + } + else + FT_GlyphSlot_Embolden(slot); + } int left = slot->metrics.horiBearingX; int right = slot->metrics.horiBearingX + slot->metrics.width; int top = slot->metrics.horiBearingY; @@ -725,6 +775,8 @@ top = CEIL(top); int hpixels = TRUNC(right - left); + if(!antialias && embolden && (face->style_flags & FT_STYLE_FLAG_BOLD) == 0 && transform) + hpixels += 4; if (hsubpixel) hpixels = hpixels*3 + 8; info.width = hpixels; @@ -1301,6 +1353,8 @@ FT_GlyphSlot g = face->glyph; if (g->format != FT_GLYPH_FORMAT_OUTLINE) continue; + if (embolden && (face->style_flags & FT_STYLE_FLAG_BOLD) == 0) + FT_GlyphSlot_Embolden (g); QFreetypeFace::addGlyphToPath(face, g, positions[gl], path, xsize, ysize); } unlockFace(); --- src/gui/text/qfontengine_ft_p.h +++ src/gui/text/qfontengine_ft_p.h @@ -257,7 +257,7 @@ QFontEngineFT(const QFontDef &fd); virtual ~QFontEngineFT(); - bool init(FaceId faceId, bool antiaalias, GlyphFormat defaultFormat = Format_None); + bool init(FaceId faceId, bool antiaalias, GlyphFormat defaultFormat = Format_None, bool embolden=false); virtual HB_Error getPointInOutline(HB_Glyph glyph, int flags, hb_uint32 point, HB_Fixed *xpos, HB_Fixed *ypos, hb_uint32 *nPoints); @@ -273,6 +273,7 @@ int default_load_flags; bool antialias; + bool embolden; bool outline_drawing; bool transform; SubpixelAntialiasingType subpixelType; --- src/gui/text/qfontengine_x11.cpp +++ src/gui/text/qfontengine_x11.cpp @@ -878,7 +878,7 @@ -Q_GUI_EXPORT void qt_x11ft_convert_pattern(FcPattern *pattern, QByteArray *file_name, int *index, bool *antialias) +static void qt_x11ft_convert_pattern(FcPattern *pattern, QByteArray *file_name, int *index, bool *antialias, bool *embolden) { FcChar8 *fileName; FcPatternGetString(pattern, FC_FILE, 0, &fileName); @@ -888,6 +888,11 @@ FcBool b; if (FcPatternGetBool(pattern, FC_ANTIALIAS, 0, &b) == FcResultMatch) *antialias = b; + b = false; +#ifdef FC_EMBOLDEN + if (FcPatternGetBool (pattern,FC_EMBOLDEN, 0, &b) == FcResultMatch) +#endif + *embolden = b; } @@ -897,9 +902,10 @@ // FcPatternPrint(pattern); bool antialias = X11->fc_antialias; + bool embolden = false; QByteArray file_name; int face_index; - qt_x11ft_convert_pattern(pattern, &file_name, &face_index, &antialias); + qt_x11ft_convert_pattern(pattern, &file_name, &face_index, &antialias, &embolden); QFontEngine::FaceId face_id; face_id.filename = file_name; face_id.index = face_index; @@ -972,8 +978,7 @@ defaultFormat = Format_Mono; } #endif - - if (!init(face_id, antialias, defaultFormat)) { + if (!init(face_id, antialias, defaultFormat, embolden)) { FcPatternDestroy(pattern); return; }
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