diff options
Diffstat (limited to 'indra/llrender/llfontfreetype.cpp')
| -rw-r--r-- | indra/llrender/llfontfreetype.cpp | 90 |
1 files changed, 62 insertions, 28 deletions
diff --git a/indra/llrender/llfontfreetype.cpp b/indra/llrender/llfontfreetype.cpp index 57154feeec..7d66965e57 100644 --- a/indra/llrender/llfontfreetype.cpp +++ b/indra/llrender/llfontfreetype.cpp @@ -91,8 +91,9 @@ 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 @@ -101,11 +102,25 @@ 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 - mBitmapType(EFontGlyphType::Grayscale), - 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() : LLTrace::MemTrackable<LLFontFreetype>("LLFontFreetype"), mFontBitmapCachep(new LLFontBitmapCache), @@ -361,7 +376,7 @@ 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; @@ -393,10 +408,10 @@ 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; @@ -427,12 +442,13 @@ 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; @@ -448,34 +464,38 @@ LLFontGlyphInfo* LLFontFreetype::addGlyph(llwchar wch) const glyph_index = FT_Get_Char_Index((*iter)->mFTFace, wch); if (glyph_index) { - return addGlyphFromFont(*iter, wch, glyph_index, EFontGlyphType::Color); + return addGlyphFromFont(*iter, 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, EFontGlyphType::Color); + return addGlyphFromFont(this, wch, glyph_index, glyph_type); } return NULL; } -LLFontGlyphInfo* LLFontFreetype::addGlyphFromFont(const LLFontFreetype *fontp, llwchar wch, U32 glyph_index, EFontGlyphType bitmap_type) const +LLFontGlyphInfo* LLFontFreetype::addGlyphFromFont(const LLFontFreetype *fontp, llwchar wch, U32 glyph_index, EFontGlyphType requested_glyph_type) const { if (mFTFace == NULL) return NULL; llassert(!mIsFallback); - fontp->renderGlyph(bitmap_type, 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_type = EFontGlyphType::Grayscale; + bitmap_glyph_type = EFontGlyphType::Grayscale; break; case FT_PIXEL_MODE_BGRA: - bitmap_type = EFontGlyphType::Color; + bitmap_glyph_type = EFontGlyphType::Color; break; default: llassert_always(true); @@ -486,14 +506,13 @@ LLFontGlyphInfo* LLFontFreetype::addGlyphFromFont(const LLFontFreetype *fontp, l S32 pos_x, pos_y; U32 bitmap_num; - mFontBitmapCachep->nextOpenPos(width, pos_x, pos_y, bitmap_type, 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->mBitmapType = bitmap_type; - 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; @@ -504,6 +523,13 @@ LLFontGlyphInfo* LLFontFreetype::addGlyphFromFont(const LLFontFreetype *fontp, l insertGlyphInfo(wch, gi); + 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) { @@ -561,31 +587,39 @@ LLFontGlyphInfo* LLFontFreetype::addGlyphFromFont(const LLFontFreetype *fontp, l llassert(false); } - LLImageGL *image_gl = mFontBitmapCachep->getImageGL(bitmap_type, bitmap_num); - LLImageRaw *image_raw = mFontBitmapCachep->getImageRaw(bitmap_type, 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; @@ -593,7 +627,7 @@ void LLFontFreetype::insertGlyphInfo(llwchar wch, LLFontGlyphInfo* gi) const else { claimMem(gi); - mCharGlyphInfoMap[wch] = gi; + mCharGlyphInfoMap.insert(std::make_pair(wch, gi)); } } |
