[3341] | 1 | /*! |
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[8751] | 2 | * @file font_data.h |
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| 3 | * @brief Contains the font-data class, that handles the reading of Images into Texutre-files. |
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[5768] | 4 | */ |
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[3341] | 5 | |
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[8751] | 6 | #ifndef _FONT_DATA_H |
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| 7 | #define _FONT_DATA_H |
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[3341] | 8 | |
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[5304] | 9 | #include "base_object.h" |
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[3548] | 10 | |
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[5768] | 11 | #include "glincl.h" |
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[8751] | 12 | #include "texture_data.h" |
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[3548] | 13 | |
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[8751] | 14 | #ifdef HAVE_SDL_TTF_H |
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| 15 | #include <SDL_ttf.h> |
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| 16 | #else |
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| 17 | #include <SDL/SDL_ttf.h> |
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| 18 | #endif |
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[5239] | 19 | |
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[7785] | 20 | |
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[8751] | 21 | |
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| 22 | /* some default values */ |
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| 23 | #define FONT_NUM_COLORS 256 //!< number of colors. |
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| 24 | |
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| 25 | #define FONT_HIGHEST_KNOWN_CHAR 128 //!< The highest character known to the textEngine. |
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| 26 | #define FONT_DEFAULT_RENDER_SIZE 50 //!< At what Resolution to render fonts. |
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| 27 | |
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| 28 | //! A struct for handling glyphs |
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| 29 | /** |
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| 30 | * a Glyph is one letter of a certain font |
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| 31 | */ |
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| 32 | struct Glyph |
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[7785] | 33 | { |
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[8751] | 34 | // Glyph-specific (size and so on) |
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| 35 | Uint16 character; //!< The character |
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| 36 | float minX; //!< The minimum distance from the origin in X |
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| 37 | float maxX; //!< The maximum distance from the origin in X |
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| 38 | float minY; //!< The minimum distance from the origin in Y |
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| 39 | float maxY; //!< The maximum distance from the origin in Y |
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| 40 | float width; //!< The width of the Glyph |
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| 41 | float height; //!< The height of the Glyph |
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| 42 | float bearingX; //!< How much is right of the Origin |
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| 43 | float bearingY; //!< How much is above the Origin |
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| 44 | float advance; //!< How big a Glyph would be in monospace-mode |
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[7785] | 45 | |
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[8751] | 46 | GLfloat texCoord[4]; //!< Texture coordinates: 0:left, 1:right, 2: top, 3: bottom. |
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| 47 | }; |
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[7785] | 48 | |
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| 49 | |
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[8761] | 50 | class FontData |
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[8751] | 51 | { |
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| 52 | public: |
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[8766] | 53 | FontData(); |
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[8751] | 54 | ~FontData(); |
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[7785] | 55 | |
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[8764] | 56 | /// LOADING new Fonts |
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| 57 | bool loadFontFromTTF(const std::string& fontFile, unsigned int renderSize); |
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| 58 | bool loadFontFromSDL_Surface(SDL_Surface* surface); |
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| 59 | |
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[8765] | 60 | void setStyle(TTF_Font* font, const std::string& renderStyle); |
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[8764] | 61 | |
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[8751] | 62 | /** @returns a Pointer to the Array of Glyphs */ |
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| 63 | inline Glyph** getGlyphArray() const { return this->glyphArray; }; |
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| 64 | |
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[8765] | 65 | int getMaxHeight() const { return maxHeight; }; |
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| 66 | int getMaxAscent() const { return maxAscent; }; |
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| 67 | int getMaxDescent() const { return maxDescent; }; |
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[8764] | 68 | |
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[8766] | 69 | /** @returns the Texture-Data of this FontData */ |
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| 70 | const TextureDataPointer& textureData() const { return texData; }; |
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[8764] | 71 | |
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[8768] | 72 | bool rebuild() { return texData->rebuild(); }; |
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[8751] | 73 | |
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| 74 | private: |
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[8765] | 75 | void initGlyphs(TTF_Font* font, Uint16 from, Uint16 count); |
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| 76 | bool getGlyphMetrics(TTF_Font* font, Glyph* glyph, Uint16 character); |
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[8764] | 77 | |
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| 78 | int findOptimalFastTextureSize(); |
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[8765] | 79 | bool createFastTexture(TTF_Font* font); |
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[8764] | 80 | |
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[8766] | 81 | |
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[8761] | 82 | private: |
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[8765] | 83 | std::string fontFile; //!< The FileName the Font was loaded from. |
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[8751] | 84 | int renderStyle; //!< The Renderstyle |
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| 85 | unsigned int renderSize; //!< How big the Font should be rendered. |
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| 86 | |
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| 87 | Glyph** glyphArray; //!< An Array of all the Glyphs stored in the Array of Glyphs. |
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[8761] | 88 | |
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[8765] | 89 | int maxHeight; //!< Max Height of the Font. |
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| 90 | int maxAscent; //!< Max Ascent of the Font. |
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| 91 | int maxDescent; //!< Max Desent of the Font. |
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| 92 | |
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[8761] | 93 | TextureDataPointer texData; |
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[7785] | 94 | }; |
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| 95 | |
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[8761] | 96 | typedef CountPointer<FontData> FontDataPointer; |
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[8751] | 97 | |
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| 98 | #endif /* _FONT_DATA_H */ |
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