diff options
Diffstat (limited to 'indra/llrender/llfontfreetype.cpp')
| -rw-r--r-- | indra/llrender/llfontfreetype.cpp | 290 |
1 files changed, 214 insertions, 76 deletions
diff --git a/indra/llrender/llfontfreetype.cpp b/indra/llrender/llfontfreetype.cpp index e964d1586f..d87fb5245c 100644 --- a/indra/llrender/llfontfreetype.cpp +++ b/indra/llrender/llfontfreetype.cpp @@ -34,14 +34,17 @@ #ifdef LL_WINDOWS #include <freetype2\freetype\ftsystem.h> #endif +#include "llfontfreetypesvg.h" // For some reason, this won't work if it's not wrapped in the ifdef #ifdef FT_FREETYPE_H #include FT_FREETYPE_H #endif +#include "lldir.h" #include "llerror.h" #include "llimage.h" +#include "llimagepng.h" //#include "llimagej2c.h" #include "llmath.h" // Linden math #include "llstring.h" @@ -49,6 +52,8 @@ #include "llfontbitmapcache.h" #include "llgl.h" +#define ENABLE_OT_SVG_SUPPORT + FT_Render_Mode gFontRenderMode = FT_RENDER_MODE_NORMAL; LLFontManager *gFontManagerp = NULL; @@ -81,6 +86,16 @@ LLFontManager::LLFontManager() LL_ERRS() << "Freetype initialization failure!" << LL_ENDL; FT_Done_FreeType(gFTLibrary); } + +#ifdef ENABLE_OT_SVG_SUPPORT + SVG_RendererHooks hooks = { + LLFontFreeTypeSvgRenderer::OnInit, + LLFontFreeTypeSvgRenderer::OnFree, + LLFontFreeTypeSvgRenderer::OnRender, + LLFontFreeTypeSvgRenderer::OnPresetGlypthSlot, + }; + FT_Property_Set(gFTLibrary, "ot-svg", "svg-hooks", &hooks); +#endif } LLFontManager::~LLFontManager() @@ -89,8 +104,9 @@ LLFontManager::~LLFontManager() } -LLFontGlyphInfo::LLFontGlyphInfo(U32 index) +LLFontGlyphInfo::LLFontGlyphInfo(U32 index, EFontGlyphType glyph_type) : mGlyphIndex(index), + mGlyphType(glyph_type), mWidth(0), // In pixels mHeight(0), // In pixels mXAdvance(0.f), // In pixels @@ -99,10 +115,25 @@ LLFontGlyphInfo::LLFontGlyphInfo(U32 index) mYBitmapOffset(0), // Offset to the origin in the bitmap mXBearing(0), // Distance from baseline to left in pixels mYBearing(0), // Distance from baseline to top in pixels - mBitmapNum(0) // Which bitmap in the bitmap cache contains this glyph + mBitmapEntry(std::make_pair(EFontGlyphType::Unspecified, -1)) // Which bitmap in the bitmap cache contains this glyph { } +LLFontGlyphInfo::LLFontGlyphInfo(const LLFontGlyphInfo& fgi) + : mGlyphIndex(fgi.mGlyphIndex) + , mGlyphType(fgi.mGlyphType) + , mWidth(fgi.mWidth) + , mHeight(fgi.mHeight) + , mXAdvance(fgi.mXAdvance) + , mYAdvance(fgi.mYAdvance) + , mXBitmapOffset(fgi.mXBitmapOffset) + , mYBitmapOffset(fgi.mYBitmapOffset) + , mXBearing(fgi.mXBearing) + , mYBearing(fgi.mYBearing) +{ + mBitmapEntry = fgi.mBitmapEntry; +} + LLFontFreetype::LLFontFreetype() : mFontBitmapCachep(new LLFontBitmapCache), mAscender(0.f), @@ -156,7 +187,7 @@ void ft_close_cb(FT_Stream stream) { } #endif -BOOL LLFontFreetype::loadFace(const std::string& filename, F32 point_size, F32 vert_dpi, F32 horz_dpi, S32 components, BOOL is_fallback, S32 face_n) +BOOL LLFontFreetype::loadFace(const std::string& filename, F32 point_size, F32 vert_dpi, F32 horz_dpi, bool is_fallback, S32 face_n) { // Don't leak face objects. This is also needed to deal with // changed font file names. @@ -220,7 +251,7 @@ BOOL LLFontFreetype::loadFace(const std::string& filename, F32 point_size, F32 v S32 max_char_width = ll_round(0.5f + (x_max - x_min)); S32 max_char_height = ll_round(0.5f + (y_max - y_min)); - mFontBitmapCachep->init(components, max_char_width, max_char_height); + mFontBitmapCachep->init(max_char_width, max_char_height); if (!mFTFace->charmap) { @@ -231,7 +262,7 @@ BOOL LLFontFreetype::loadFace(const std::string& filename, F32 point_size, F32 v if (!mIsFallback) { // Add the default glyph - addGlyphFromFont(this, 0, 0); + addGlyphFromFont(this, 0, 0, EFontGlyphType::Grayscale); } mName = filename; @@ -323,14 +354,11 @@ void LLFontFreetype::clearFontStreams() } #endif -void LLFontFreetype::setFallbackFonts(const font_vector_t &font) -{ - mFallbackFonts = font; -} - -const LLFontFreetype::font_vector_t &LLFontFreetype::getFallbackFonts() const +void LLFontFreetype::addFallbackFont(const LLPointer<LLFontFreetype>& fallback_font, const char_functor_t& functor) { - return mFallbackFonts; + // Insert functor fallbacks before generic fallbacks + mFallbackFonts.insert((functor) ? std::find_if(mFallbackFonts.begin(), mFallbackFonts.end(), [](const fallback_font_t& fe) { return !fe.second; }) : mFallbackFonts.end(), + std::make_pair(fallback_font, functor)); } F32 LLFontFreetype::getLineHeight() const @@ -354,7 +382,7 @@ F32 LLFontFreetype::getXAdvance(llwchar wch) const return 0.0; // Return existing info only if it is current - LLFontGlyphInfo* gi = getGlyphInfo(wch); + LLFontGlyphInfo* gi = getGlyphInfo(wch, EFontGlyphType::Unspecified); if (gi) { return gi->mXAdvance; @@ -386,10 +414,10 @@ F32 LLFontFreetype::getXKerning(llwchar char_left, llwchar char_right) const return 0.0; //llassert(!mIsFallback); - LLFontGlyphInfo* left_glyph_info = getGlyphInfo(char_left);; + LLFontGlyphInfo* left_glyph_info = getGlyphInfo(char_left, EFontGlyphType::Unspecified);; U32 left_glyph = left_glyph_info ? left_glyph_info->mGlyphIndex : 0; // Kern this puppy. - LLFontGlyphInfo* right_glyph_info = getGlyphInfo(char_right); + LLFontGlyphInfo* right_glyph_info = getGlyphInfo(char_right, EFontGlyphType::Unspecified); U32 right_glyph = right_glyph_info ? right_glyph_info->mGlyphIndex : 0; FT_Vector delta; @@ -420,60 +448,94 @@ BOOL LLFontFreetype::hasGlyph(llwchar wch) const return(mCharGlyphInfoMap.find(wch) != mCharGlyphInfoMap.end()); } -LLFontGlyphInfo* LLFontFreetype::addGlyph(llwchar wch) const +LLFontGlyphInfo* LLFontFreetype::addGlyph(llwchar wch, EFontGlyphType glyph_type) const { if (mFTFace == NULL) return FALSE; llassert(!mIsFallback); + llassert(glyph_type < EFontGlyphType::Count); //LL_DEBUGS() << "Adding new glyph for " << wch << " to font" << LL_ENDL; FT_UInt glyph_index; + // Fallback fonts with a functor have precedence over everything else + fallback_font_vector_t::const_iterator it_fallback = mFallbackFonts.cbegin(); + /* This leads to a bug SL-19831 "Check marks in the menu are less visible." + ** Also, LLFontRegistry::createFont() says: "Fallback fonts don't render" + for (; it_fallback != mFallbackFonts.cend() && it_fallback->second; ++it_fallback) + { + if (it_fallback->second(wch)) + { + glyph_index = FT_Get_Char_Index(it_fallback->first->mFTFace, wch); + if (glyph_index) + { + return addGlyphFromFont(it_fallback->first, wch, glyph_index, glyph_type); + } + } + } + */ + // Initialize char to glyph map glyph_index = FT_Get_Char_Index(mFTFace, wch); if (glyph_index == 0) { //LL_INFOS() << "Trying to add glyph from fallback font!" << LL_ENDL; - font_vector_t::const_iterator iter; - for(iter = mFallbackFonts.begin(); iter != mFallbackFonts.end(); iter++) + for (; it_fallback != mFallbackFonts.cend(); ++it_fallback) { - glyph_index = FT_Get_Char_Index((*iter)->mFTFace, wch); + glyph_index = FT_Get_Char_Index(it_fallback->first->mFTFace, wch); if (glyph_index) { - return addGlyphFromFont(*iter, wch, glyph_index); + return addGlyphFromFont(it_fallback->first, wch, glyph_index, glyph_type); } } } - char_glyph_info_map_t::iterator iter = mCharGlyphInfoMap.find(wch); - if (iter == mCharGlyphInfoMap.end()) + std::pair<char_glyph_info_map_t::iterator, char_glyph_info_map_t::iterator> range_it = mCharGlyphInfoMap.equal_range(wch); + char_glyph_info_map_t::iterator iter = + std::find_if(range_it.first, range_it.second, [&glyph_type](const char_glyph_info_map_t::value_type& entry) { return entry.second->mGlyphType == glyph_type; }); + if (iter == range_it.second) { - return addGlyphFromFont(this, wch, glyph_index); + return addGlyphFromFont(this, wch, glyph_index, glyph_type); } return NULL; } -LLFontGlyphInfo* LLFontFreetype::addGlyphFromFont(const LLFontFreetype *fontp, llwchar wch, U32 glyph_index) const +LLFontGlyphInfo* LLFontFreetype::addGlyphFromFont(const LLFontFreetype *fontp, llwchar wch, U32 glyph_index, EFontGlyphType requested_glyph_type) const { LL_PROFILE_ZONE_SCOPED; if (mFTFace == NULL) return NULL; llassert(!mIsFallback); - fontp->renderGlyph(glyph_index); + fontp->renderGlyph(requested_glyph_type, glyph_index); + + EFontGlyphType bitmap_glyph_type = EFontGlyphType::Unspecified; + switch (fontp->mFTFace->glyph->bitmap.pixel_mode) + { + case FT_PIXEL_MODE_MONO: + case FT_PIXEL_MODE_GRAY: + bitmap_glyph_type = EFontGlyphType::Grayscale; + break; + case FT_PIXEL_MODE_BGRA: + bitmap_glyph_type = EFontGlyphType::Color; + break; + default: + llassert_always(true); + break; + } S32 width = fontp->mFTFace->glyph->bitmap.width; S32 height = fontp->mFTFace->glyph->bitmap.rows; S32 pos_x, pos_y; - S32 bitmap_num; - mFontBitmapCachep->nextOpenPos(width, pos_x, pos_y, bitmap_num); + U32 bitmap_num; + mFontBitmapCachep->nextOpenPos(width, pos_x, pos_y, bitmap_glyph_type, bitmap_num); mAddGlyphCount++; - LLFontGlyphInfo* gi = new LLFontGlyphInfo(glyph_index); + LLFontGlyphInfo* gi = new LLFontGlyphInfo(glyph_index, requested_glyph_type); gi->mXBitmapOffset = pos_x; gi->mYBitmapOffset = pos_y; - gi->mBitmapNum = bitmap_num; + gi->mBitmapEntry = std::make_pair(bitmap_glyph_type, bitmap_num); gi->mWidth = width; gi->mHeight = height; gi->mXBearing = fontp->mFTFace->glyph->bitmap_left; @@ -484,8 +546,12 @@ LLFontGlyphInfo* LLFontFreetype::addGlyphFromFont(const LLFontFreetype *fontp, l insertGlyphInfo(wch, gi); - llassert(fontp->mFTFace->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_MONO - || fontp->mFTFace->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_GRAY); + if (requested_glyph_type != bitmap_glyph_type) + { + LLFontGlyphInfo* gi_temp = new LLFontGlyphInfo(*gi); + gi_temp->mGlyphType = bitmap_glyph_type; + insertGlyphInfo(wch, gi_temp); + } if (fontp->mFTFace->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_MONO || fontp->mFTFace->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_GRAY) @@ -520,78 +586,95 @@ LLFontGlyphInfo* LLFontFreetype::addGlyphFromFont(const LLFontFreetype *fontp, l buffer_row_stride = width; } - switch (mFontBitmapCachep->getNumComponents()) - { - case 1: - mFontBitmapCachep->getImageRaw(bitmap_num)->setSubImage(pos_x, - pos_y, - width, - height, - buffer_data, - buffer_row_stride, - TRUE); - break; - case 2: - setSubImageLuminanceAlpha(pos_x, - pos_y, - bitmap_num, - width, - height, - buffer_data, - buffer_row_stride); - break; - default: - break; - } + setSubImageLuminanceAlpha(pos_x, + pos_y, + bitmap_num, + width, + height, + buffer_data, + buffer_row_stride); if (tmp_graydata) delete[] tmp_graydata; + } + else if (fontp->mFTFace->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_BGRA) + { + setSubImageBGRA(pos_x, + pos_y, + bitmap_num, + fontp->mFTFace->glyph->bitmap.width, + fontp->mFTFace->glyph->bitmap.rows, + fontp->mFTFace->glyph->bitmap.buffer, + llabs(fontp->mFTFace->glyph->bitmap.pitch)); } else { - // we don't know how to handle this pixel format from FreeType; - // omit it from the font-image. + llassert(false); } - LLImageGL *image_gl = mFontBitmapCachep->getImageGL(bitmap_num); - LLImageRaw *image_raw = mFontBitmapCachep->getImageRaw(bitmap_num); + LLImageGL *image_gl = mFontBitmapCachep->getImageGL(bitmap_glyph_type, bitmap_num); + LLImageRaw *image_raw = mFontBitmapCachep->getImageRaw(bitmap_glyph_type, bitmap_num); image_gl->setSubImage(image_raw, 0, 0, image_gl->getWidth(), image_gl->getHeight()); return gi; } -LLFontGlyphInfo* LLFontFreetype::getGlyphInfo(llwchar wch) const +LLFontGlyphInfo* LLFontFreetype::getGlyphInfo(llwchar wch, EFontGlyphType glyph_type) const { - char_glyph_info_map_t::iterator iter = mCharGlyphInfoMap.find(wch); - if (iter != mCharGlyphInfoMap.end()) + std::pair<char_glyph_info_map_t::iterator, char_glyph_info_map_t::iterator> range_it = mCharGlyphInfoMap.equal_range(wch); + + char_glyph_info_map_t::iterator iter = (EFontGlyphType::Unspecified != glyph_type) + ? std::find_if(range_it.first, range_it.second, [&glyph_type](const char_glyph_info_map_t::value_type& entry) { return entry.second->mGlyphType == glyph_type; }) + : range_it.first; + if (iter != range_it.second) { return iter->second; } else { // this glyph doesn't yet exist, so render it and return the result - return addGlyph(wch); + return addGlyph(wch, (EFontGlyphType::Unspecified != glyph_type) ? glyph_type : EFontGlyphType::Grayscale); } } void LLFontFreetype::insertGlyphInfo(llwchar wch, LLFontGlyphInfo* gi) const { - char_glyph_info_map_t::iterator iter = mCharGlyphInfoMap.find(wch); - if (iter != mCharGlyphInfoMap.end()) + llassert(gi->mGlyphType < EFontGlyphType::Count); + std::pair<char_glyph_info_map_t::iterator, char_glyph_info_map_t::iterator> range_it = mCharGlyphInfoMap.equal_range(wch); + + char_glyph_info_map_t::iterator iter = + std::find_if(range_it.first, range_it.second, [&gi](const char_glyph_info_map_t::value_type& entry) { return entry.second->mGlyphType == gi->mGlyphType; }); + if (iter != range_it.second) { delete iter->second; iter->second = gi; } else { - mCharGlyphInfoMap[wch] = gi; + mCharGlyphInfoMap.insert(std::make_pair(wch, gi)); } } -void LLFontFreetype::renderGlyph(U32 glyph_index) const +void LLFontFreetype::renderGlyph(EFontGlyphType bitmap_type, U32 glyph_index) const { if (mFTFace == NULL) return; - llassert_always(! FT_Load_Glyph(mFTFace, glyph_index, FT_LOAD_FORCE_AUTOHINT) ); + FT_Int32 load_flags = FT_LOAD_FORCE_AUTOHINT; + if (EFontGlyphType::Color == bitmap_type) + { + // We may not actually get a color render so our caller should always examine mFTFace->glyph->bitmap.pixel_mode + load_flags |= FT_LOAD_COLOR; + } + + FT_Error error = FT_Load_Glyph(mFTFace, glyph_index, load_flags); + if (FT_Err_Ok != error) + { + std::string message = llformat( + "Error %d (%s) loading glyph %u: bitmap_type=%u, load_flags=%d", + error, FT_Error_String(error), glyph_index, bitmap_type, load_flags); + LL_WARNS_ONCE() << message << LL_ENDL; + error = FT_Load_Glyph(mFTFace, glyph_index, load_flags ^ FT_LOAD_COLOR); + llassert_always_msg(FT_Err_Ok == error, message.c_str()); + } llassert_always(! FT_Render_Glyph(mFTFace->glyph, gFontRenderMode) ); @@ -601,7 +684,7 @@ void LLFontFreetype::renderGlyph(U32 glyph_index) const void LLFontFreetype::reset(F32 vert_dpi, F32 horz_dpi) { resetBitmapCache(); - loadFace(mName, mPointSize, vert_dpi ,horz_dpi, mFontBitmapCachep->getNumComponents(), mIsFallback); + loadFace(mName, mPointSize, vert_dpi ,horz_dpi, mIsFallback, 0); if (!mIsFallback) { // This is the head of the list - need to rebuild ourself and all fallbacks. @@ -611,11 +694,9 @@ void LLFontFreetype::reset(F32 vert_dpi, F32 horz_dpi) } else { - for(font_vector_t::iterator it = mFallbackFonts.begin(); - it != mFallbackFonts.end(); - ++it) + for (fallback_font_vector_t::iterator it = mFallbackFonts.begin(); it != mFallbackFonts.end(); ++it) { - (*it)->reset(vert_dpi, horz_dpi); + it->first->reset(vert_dpi, horz_dpi); } } } @@ -637,7 +718,7 @@ void LLFontFreetype::resetBitmapCache() if(!mIsFallback) { // Add the empty glyph - addGlyphFromFont(this, 0, 0); + addGlyphFromFont(this, 0, 0, EFontGlyphType::Grayscale); } } @@ -651,6 +732,34 @@ const std::string &LLFontFreetype::getName() const return mName; } +static void dumpFontBitmap(const LLImageRaw* image_raw, const std::string& file_name) +{ + LLPointer<LLImagePNG> tmpImage = new LLImagePNG(); + if ( (tmpImage->encode(image_raw, 0.0f)) && (tmpImage->save(gDirUtilp->getExpandedFilename(LL_PATH_LOGS, file_name))) ) + { + LL_INFOS("Font") << "Successfully saved " << file_name << LL_ENDL; + } + else + { + LL_WARNS("Font") << "Failed to save " << file_name << LL_ENDL; + } +} + +void LLFontFreetype::dumpFontBitmaps() const +{ + // Dump all the regular bitmaps (if any) + for (int idx = 0, cnt = mFontBitmapCachep->getNumBitmaps(EFontGlyphType::Grayscale); idx < cnt; idx++) + { + dumpFontBitmap(mFontBitmapCachep->getImageRaw(EFontGlyphType::Grayscale, idx), llformat("%s_%d_%d_%d.png", mFTFace->family_name, (int)(mPointSize * 10), mStyle, idx)); + } + + // Dump all the color bitmaps (if any) + for (int idx = 0, cnt = mFontBitmapCachep->getNumBitmaps(EFontGlyphType::Color); idx < cnt; idx++) + { + dumpFontBitmap(mFontBitmapCachep->getImageRaw(EFontGlyphType::Color, idx), llformat("%s_%d_%d_%d_clr.png", mFTFace->family_name, (int)(mPointSize * 10), mStyle, idx)); + } +} + const LLFontBitmapCache* LLFontFreetype::getFontBitmapCache() const { return mFontBitmapCachep; @@ -666,17 +775,46 @@ U8 LLFontFreetype::getStyle() const return mStyle; } +bool LLFontFreetype::setSubImageBGRA(U32 x, U32 y, U32 bitmap_num, U16 width, U16 height, const U8* data, U32 stride) const +{ + LLImageRaw* image_raw = mFontBitmapCachep->getImageRaw(EFontGlyphType::Color, bitmap_num); + llassert(!mIsFallback); + llassert(image_raw && (image_raw->getComponents() == 4)); + + // NOTE: inspired by LLImageRaw::setSubImage() + U32* image_data = (U32*)image_raw->getData(); + if (!image_data) + { + return false; + } + + for (U32 idxRow = 0; idxRow < height; idxRow++) + { + const U32 nSrcRow = height - 1 - idxRow; + const U32 nSrcOffset = nSrcRow * width * image_raw->getComponents(); + const U32 nDstOffset = (y + idxRow) * image_raw->getWidth() + x; + + for (U32 idxCol = 0; idxCol < width; idxCol++) + { + U32 nTemp = nSrcOffset + idxCol * 4; + image_data[nDstOffset + idxCol] = data[nTemp + 3] << 24 | data[nTemp] << 16 | data[nTemp + 1] << 8 | data[nTemp + 2]; + } + } + + return true; +} + void LLFontFreetype::setSubImageLuminanceAlpha(U32 x, U32 y, U32 bitmap_num, U32 width, U32 height, U8 *data, S32 stride) const { - LLImageRaw *image_raw = mFontBitmapCachep->getImageRaw(bitmap_num); + LLImageRaw *image_raw = mFontBitmapCachep->getImageRaw(EFontGlyphType::Grayscale, bitmap_num); llassert(!mIsFallback); llassert(image_raw && (image_raw->getComponents() == 2)); - U8 *target = image_raw->getData(); + llassert(target); - if (!data) + if (!data || !target) { return; } |