RELEASE/1.1RELEASE/1.2debug-cidebug-ci-sanitisersfaster-cavernloglog-selectstereostereo-2025walls-datawalls-data-hanging-as-warningwarn-only-for-hanging-survey
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| 2 | /* Copyright (c) Mark J. Kilgard, 1997. */ |
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| 3 | |
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| 4 | /* This program is freely distributable without licensing fees and is |
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| 5 | provided without guarantee or warrantee expressed or implied. This |
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| 6 | program is -not- in the public domain. */ |
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| 7 | |
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| 8 | #ifndef __TEXFONT_H__ |
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| 9 | #define __TEXFONT_H__ |
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| 10 | |
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| 11 | #include <GL/gl.h> |
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| 12 | |
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| 13 | #define TXF_FORMAT_BYTE 0 |
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| 14 | #define TXF_FORMAT_BITMAP 1 |
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| 15 | |
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| 16 | typedef struct { |
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| 17 | unsigned short c; /* Potentially support 16-bit glyphs. */ |
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| 18 | unsigned char width; |
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| 19 | unsigned char height; |
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| 20 | signed char xoffset; |
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| 21 | signed char yoffset; |
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| 22 | signed char advance; |
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| 23 | char dummy; /* Space holder for alignment reasons. */ |
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| 24 | short x; |
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| 25 | short y; |
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| 26 | } TexGlyphInfo; |
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| 27 | |
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| 28 | typedef struct { |
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| 29 | GLfloat t0[2]; |
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| 30 | GLshort v0[2]; |
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| 31 | GLfloat t1[2]; |
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| 32 | GLshort v1[2]; |
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| 33 | GLfloat t2[2]; |
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| 34 | GLshort v2[2]; |
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| 35 | GLfloat t3[2]; |
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| 36 | GLshort v3[2]; |
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| 37 | GLfloat advance; |
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| 38 | } TexGlyphVertexInfo; |
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| 39 | |
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| 40 | typedef struct { |
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| 41 | GLuint texobj; |
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| 42 | int tex_width; |
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| 43 | int tex_height; |
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| 44 | int max_ascent; |
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| 45 | int max_descent; |
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| 46 | int num_glyphs; |
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| 47 | int min_glyph; |
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| 48 | int range; |
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| 49 | unsigned char *teximage; |
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| 50 | TexGlyphInfo *tgi; |
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| 51 | TexGlyphVertexInfo *tgvi; |
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| 52 | TexGlyphVertexInfo **lut; |
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| 53 | } TexFont; |
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| 54 | |
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| 55 | extern char *txfErrorString(void); |
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| 56 | |
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| 57 | extern TexFont *txfLoadFont( |
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| 58 | char *filename); |
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| 59 | |
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| 60 | extern void txfUnloadFont( |
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| 61 | TexFont * txf); |
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| 62 | |
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| 63 | extern GLuint txfEstablishTexture( |
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| 64 | TexFont * txf, |
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| 65 | GLuint texobj, |
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| 66 | GLboolean setupMipmaps); |
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| 67 | |
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| 68 | extern void txfBindFontTexture( |
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| 69 | TexFont * txf); |
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| 70 | |
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| 71 | extern void txfGetStringMetrics( |
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| 72 | TexFont * txf, |
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| 73 | char *string, |
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| 74 | int len, |
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| 75 | int *width, |
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| 76 | int *max_ascent, |
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| 77 | int *max_descent); |
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| 78 | |
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| 79 | extern void txfRenderGlyph( |
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| 80 | TexFont * txf, |
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| 81 | int c); |
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| 82 | |
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| 83 | extern void txfRenderString( |
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| 84 | TexFont * txf, |
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| 85 | char *string, |
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| 86 | int len); |
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| 87 | |
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| 88 | extern void txfRenderFancyString( |
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| 89 | TexFont * txf, |
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| 90 | char *string, |
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| 91 | int len); |
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| 92 | |
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| 93 | #endif /* __TEXFONT_H__ */ |
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