| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef MINIKIN_FONT_FREETYPE_H |
| #define MINIKIN_FONT_FREETYPE_H |
| |
| #include <ft2build.h> |
| #include FT_FREETYPE_H |
| #include FT_TRUETYPE_TABLES_H |
| |
| #include <minikin/MinikinFont.h> |
| |
| // An abstraction for platform fonts, allowing Minikin to be used with |
| // multiple actual implementations of fonts. |
| |
| namespace android { |
| |
| struct GlyphBitmap { |
| uint8_t *buffer; |
| int width; |
| int height; |
| int left; |
| int top; |
| }; |
| |
| class MinikinFontFreeType : public MinikinFont { |
| public: |
| explicit MinikinFontFreeType(FT_Face typeface); |
| |
| ~MinikinFontFreeType(); |
| |
| bool GetGlyph(uint32_t codepoint, uint32_t *glyph) const; |
| |
| float GetHorizontalAdvance(uint32_t glyph_id, |
| const MinikinPaint &paint) const; |
| |
| void GetBounds(MinikinRect* bounds, uint32_t glyph_id, |
| const MinikinPaint& paint) const; |
| |
| // If buf is NULL, just update size |
| bool GetTable(uint32_t tag, uint8_t *buf, size_t *size); |
| |
| int32_t GetUniqueId() const; |
| |
| // Not a virtual method, as the protocol to access rendered |
| // glyph bitmaps is probably different depending on the |
| // backend. |
| bool Render(uint32_t glyph_id, |
| const MinikinPaint &paint, GlyphBitmap *result); |
| |
| MinikinFontFreeType* GetFreeType(); |
| |
| private: |
| FT_Face mTypeface; |
| int32_t mUniqueId; |
| static int32_t sIdCounter; |
| }; |
| |
| } // namespace android |
| |
| #endif // MINIKIN_FONT_FREETYPE_H |