bool FontAtlas::prepareLetterDefinitions(const std::u16string& utf16String) { FontFreeType* fontTTf = dynamic_cast<FontFreeType*>(_font); if(fontTTf == nullptr) return false; size_t length = utf16String.length(); float offsetAdjust = _letterPadding / 2; long bitmapWidth; long bitmapHeight; Rect tempRect; FontLetterDefinition tempDef; auto scaleFactor = CC_CONTENT_SCALE_FACTOR(); auto pixelFormat = fontTTf->getOutlineSize() > 0 ? Texture2D::PixelFormat::AI88 : Texture2D::PixelFormat::A8; bool existNewLetter = false; int bottomHeight = _commonLineHeight - _fontAscender; float startY = _currentPageOrigY; for (size_t i = 0; i < length; ++i) { auto outIterator = _fontLetterDefinitions.find(utf16String[i]); if (outIterator == _fontLetterDefinitions.end()) { existNewLetter = true; auto bitmap = fontTTf->getGlyphBitmap(utf16String[i],bitmapWidth,bitmapHeight,tempRect,tempDef.xAdvance); if (bitmap) { tempDef.validDefinition = true; tempDef.letteCharUTF16 = utf16String[i]; tempDef.width = tempRect.size.width + _letterPadding; tempDef.height = tempRect.size.height + _letterPadding; tempDef.offsetX = tempRect.origin.x + offsetAdjust; tempDef.offsetY = _fontAscender + tempRect.origin.y - offsetAdjust; tempDef.clipBottom = bottomHeight - (tempDef.height + tempRect.origin.y + offsetAdjust); if (_currentPageOrigX + tempDef.width > CacheTextureWidth) { _currentPageOrigY += _commonLineHeight; _currentPageOrigX = 0; if(_currentPageOrigY + _commonLineHeight >= CacheTextureHeight) { unsigned char *data = nullptr; if(pixelFormat == Texture2D::PixelFormat::AI88) { data = _currentPageData + CacheTextureWidth * (int)startY * 2; } else { data = _currentPageData + CacheTextureWidth * (int)startY; } _atlasTextures[_currentPage]->updateWithData(data, 0, startY, CacheTextureWidth, CacheTextureHeight - startY); startY = 0.0f; _currentPageOrigY = 0; memset(_currentPageData, 0, _currentPageDataSize); _currentPage++; auto tex = new (std::nothrow) Texture2D; if (_antialiasEnabled) { tex->setAntiAliasTexParameters(); } else { tex->setAliasTexParameters(); } tex->initWithData(_currentPageData, _currentPageDataSize, pixelFormat, CacheTextureWidth, CacheTextureHeight, Size(CacheTextureWidth,CacheTextureHeight) ); addTexture(tex,_currentPage); tex->release(); } } fontTTf->renderCharAt(_currentPageData,_currentPageOrigX,_currentPageOrigY,bitmap,bitmapWidth,bitmapHeight); tempDef.U = _currentPageOrigX; tempDef.V = _currentPageOrigY; tempDef.textureID = _currentPage; _currentPageOrigX += tempDef.width + 1; // take from pixels to points tempDef.width = tempDef.width / scaleFactor; tempDef.height = tempDef.height / scaleFactor; tempDef.U = tempDef.U / scaleFactor; tempDef.V = tempDef.V / scaleFactor; } else{ if(tempDef.xAdvance) tempDef.validDefinition = true; else tempDef.validDefinition = false; tempDef.letteCharUTF16 = utf16String[i]; tempDef.width = 0; tempDef.height = 0; tempDef.U = 0; tempDef.V = 0; tempDef.offsetX = 0; tempDef.offsetY = 0; tempDef.textureID = 0; tempDef.clipBottom = 0; _currentPageOrigX += 1; } _fontLetterDefinitions[tempDef.letteCharUTF16] = tempDef; } } if(existNewLetter) { if (_rendererRecreate) { _atlasTextures[_currentPage]->initWithData(_currentPageData, _currentPageDataSize, pixelFormat, CacheTextureWidth, CacheTextureHeight, Size(CacheTextureWidth,CacheTextureHeight) ); } else { unsigned char *data = nullptr; if(pixelFormat == Texture2D::PixelFormat::AI88) { data = _currentPageData + CacheTextureWidth * (int)startY * 2; } else { data = _currentPageData + CacheTextureWidth * (int)startY; } _atlasTextures[_currentPage]->updateWithData(data, 0, startY, CacheTextureWidth, _currentPageOrigY - startY + _commonLineHeight); } } return true; }
bool FontAtlas::prepareLetterDefinitions(const std::u16string& utf16Text) { if (_fontFreeType == nullptr) { return false; } std::unordered_map<unsigned short, unsigned short> codeMapOfNewChar; findNewCharacters(utf16Text, codeMapOfNewChar); if (codeMapOfNewChar.empty()) { return false; } int adjustForDistanceMap = _letterPadding / 2; int adjustForExtend = _letterEdgeExtend / 2; long bitmapWidth; long bitmapHeight; Rect tempRect; FontLetterDefinition tempDef; auto scaleFactor = CC_CONTENT_SCALE_FACTOR(); auto pixelFormat = _fontFreeType->getOutlineSize() > 0 ? CCTexture2DPixelFormat::kCCTexture2DPixelFormat_AI88 : CCTexture2DPixelFormat::kCCTexture2DPixelFormat_A8; float startY = _currentPageOrigY; for (auto&& it : codeMapOfNewChar) { auto bitmap = _fontFreeType->getGlyphBitmap(it.second, bitmapWidth, bitmapHeight, tempRect, tempDef.xAdvance); if (bitmap && bitmapWidth > 0 && bitmapHeight > 0) { tempDef.validDefinition = true; tempDef.width = tempRect.size.width + _letterPadding + _letterEdgeExtend; tempDef.height = tempRect.size.height + _letterPadding + _letterEdgeExtend; tempDef.offsetX = tempRect.origin.x + adjustForDistanceMap + adjustForExtend; tempDef.offsetY = _fontAscender + tempRect.origin.y - adjustForDistanceMap - adjustForExtend; if (bitmapHeight > _currLineHeight) { _currLineHeight = static_cast<int>(bitmapHeight) + _letterPadding + _letterEdgeExtend + 1; } if (_currentPageOrigX + tempDef.width > CacheTextureWidth) { _currentPageOrigY += _currLineHeight; _currLineHeight = 0; _currentPageOrigX = 0; if (_currentPageOrigY + _lineHeight >= CacheTextureHeight) { unsigned char *data = nullptr; if (pixelFormat == CCTexture2DPixelFormat::kCCTexture2DPixelFormat_AI88) { data = _currentPageData + CacheTextureWidth * (int)startY * 2; } else { data = _currentPageData + CacheTextureWidth * (int)startY; } _atlasTextures[_currentPage]->updateWithData(data, 0, startY, CacheTextureWidth, CacheTextureHeight - startY); startY = 0.0f; _currentPageOrigY = 0; memset(_currentPageData, 0, _currentPageDataSize); _currentPage++; auto tex = new (std::nothrow) Texture2D; if (_antialiasEnabled) { tex->setAntiAliasTexParameters(); } else { tex->setAliasTexParameters(); } tex->initWithData(_currentPageData, _currentPageDataSize, pixelFormat, CacheTextureWidth, CacheTextureHeight, Size(CacheTextureWidth, CacheTextureHeight)); addTexture(tex, _currentPage); tex->release(); } } _fontFreeType->renderCharAt(_currentPageData, _currentPageOrigX + adjustForExtend, _currentPageOrigY + adjustForExtend, bitmap, bitmapWidth, bitmapHeight); tempDef.U = _currentPageOrigX; tempDef.V = _currentPageOrigY; tempDef.textureID = _currentPage; _currentPageOrigX += tempDef.width + 1; // take from pixels to points tempDef.width = tempDef.width / scaleFactor; tempDef.height = tempDef.height / scaleFactor; tempDef.U = tempDef.U / scaleFactor; tempDef.V = tempDef.V / scaleFactor; } else{ if (tempDef.xAdvance) tempDef.validDefinition = true; else tempDef.validDefinition = false; tempDef.width = 0; tempDef.height = 0; tempDef.U = 0; tempDef.V = 0; tempDef.offsetX = 0; tempDef.offsetY = 0; tempDef.textureID = 0; _currentPageOrigX += 1; } _letterDefinitions[it.first] = tempDef; } unsigned char *data = nullptr; if (pixelFormat == CCTexture2DPixelFormat::kCCTexture2DPixelFormat_AI88) { data = _currentPageData + CacheTextureWidth * (int)startY * 2; } else { data = _currentPageData + CacheTextureWidth * (int)startY; } _atlasTextures[_currentPage]->updateWithData(data, 0, startY, CacheTextureWidth, _currentPageOrigY - startY + _lineHeight); return true; }
bool FontAtlas::prepareLetterDefinitions(const std::u16string& utf16String) { if (_fontFreeType == nullptr) { return false; } std::unordered_map<unsigned short, unsigned short> newCharsMap; findNewCharacters(utf16String, newCharsMap); if (newCharsMap.empty()) { return false; } float offsetAdjust = _letterPadding / 2; long bitmapWidth; long bitmapHeight; Rect tempRect; FontLetterDefinition tempDef; auto scaleFactor = CC_CONTENT_SCALE_FACTOR(); auto pixelFormat = _fontFreeType->getOutlineSize() > 0 ? Texture2D::PixelFormat::AI88 : Texture2D::PixelFormat::A8; int bottomHeight = _commonLineHeight - _fontAscender; float startY = _currentPageOrigY; for (auto&& it : newCharsMap) { auto bitmap = _fontFreeType->getGlyphBitmap(it.second, bitmapWidth, bitmapHeight, tempRect, tempDef.xAdvance); if (bitmap) { tempDef.validDefinition = true; tempDef.letteCharUTF16 = it.first; tempDef.width = tempRect.size.width + _letterPadding; tempDef.height = tempRect.size.height + _letterPadding; tempDef.offsetX = tempRect.origin.x + offsetAdjust; tempDef.offsetY = _fontAscender + tempRect.origin.y - offsetAdjust; tempDef.clipBottom = bottomHeight - (tempDef.height + tempRect.origin.y + offsetAdjust); if (_currentPageOrigX + tempDef.width > CacheTextureWidth) { _currentPageOrigY += _commonLineHeight; _currentPageOrigX = 0; if (_currentPageOrigY + _commonLineHeight >= CacheTextureHeight) { unsigned char *data = nullptr; if (pixelFormat == Texture2D::PixelFormat::AI88) { data = _currentPageData + CacheTextureWidth * (int)startY * 2; } else { data = _currentPageData + CacheTextureWidth * (int)startY; } _atlasTextures[_currentPage]->updateWithData(data, 0, startY, CacheTextureWidth, CacheTextureHeight - startY); startY = 0.0f; _currentPageOrigY = 0; memset(_currentPageData, 0, _currentPageDataSize); _currentPage++; auto tex = new (std::nothrow) Texture2D; if (_antialiasEnabled) { tex->setAntiAliasTexParameters(); } else { tex->setAliasTexParameters(); } tex->initWithData(_currentPageData, _currentPageDataSize, pixelFormat, CacheTextureWidth, CacheTextureHeight, Size(CacheTextureWidth, CacheTextureHeight)); addTexture(tex, _currentPage); tex->release(); } } _fontFreeType->renderCharAt(_currentPageData, _currentPageOrigX, _currentPageOrigY, bitmap, bitmapWidth, bitmapHeight); tempDef.U = _currentPageOrigX; tempDef.V = _currentPageOrigY; tempDef.textureID = _currentPage; _currentPageOrigX += tempDef.width + 1; // take from pixels to points tempDef.width = tempDef.width / scaleFactor; tempDef.height = tempDef.height / scaleFactor; tempDef.U = tempDef.U / scaleFactor; tempDef.V = tempDef.V / scaleFactor; } else{ if (tempDef.xAdvance) tempDef.validDefinition = true; else tempDef.validDefinition = false; tempDef.letteCharUTF16 = it.first; tempDef.width = 0; tempDef.height = 0; tempDef.U = 0; tempDef.V = 0; tempDef.offsetX = 0; tempDef.offsetY = 0; tempDef.textureID = 0; tempDef.clipBottom = 0; _currentPageOrigX += 1; } _fontLetterDefinitions[tempDef.letteCharUTF16] = tempDef; } unsigned char *data = nullptr; if (pixelFormat == Texture2D::PixelFormat::AI88) { data = _currentPageData + CacheTextureWidth * (int)startY * 2; } else { data = _currentPageData + CacheTextureWidth * (int)startY; } _atlasTextures[_currentPage]->updateWithData(data, 0, startY, CacheTextureWidth, _currentPageOrigY - startY + _commonLineHeight); return true; }