From 45fec171488b1bbf3f602d8ffd269a78e9eaa49c Mon Sep 17 00:00:00 2001 From: ocornut Date: Wed, 21 Jan 2015 23:38:29 +0100 Subject: [PATCH] stb_truetype: added STBTT_STATIC to make all implementation static Followed the structure used by stb_rectpack. Functions that had neither extern neither static got STBTT_DEF as well. --- stb_truetype.h | 184 +++++++++++++++++++++++++------------------------ 1 file changed, 95 insertions(+), 89 deletions(-) diff --git a/stb_truetype.h b/stb_truetype.h index 56ef47b..df5b75a 100644 --- a/stb_truetype.h +++ b/stb_truetype.h @@ -376,6 +376,12 @@ int main(int arg, char **argv) typedef char stbtt__check_size32[sizeof(stbtt_int32)==4 ? 1 : -1]; typedef char stbtt__check_size16[sizeof(stbtt_int16)==2 ? 1 : -1]; + #ifdef STBTT_STATIC + #define STBTT_DEF static + #else + #define STBTT_DEF extern + #endif + // #define your own STBTT_sort() to override this to avoid qsort #ifndef STBTT_sort #include @@ -445,7 +451,7 @@ typedef struct float xoff,yoff,xadvance; } stbtt_bakedchar; -extern int stbtt_BakeFontBitmap(const unsigned char *data, int offset, // font location (use offset=0 for plain .ttf) +STBTT_DEF int stbtt_BakeFontBitmap(const unsigned char *data, int offset, // font location (use offset=0 for plain .ttf) float pixel_height, // height of font in pixels unsigned char *pixels, int pw, int ph, // bitmap to be filled in int first_char, int num_chars, // characters to bake @@ -461,7 +467,7 @@ typedef struct float x1,y1,s1,t1; // bottom-right } stbtt_aligned_quad; -extern void stbtt_GetBakedQuad(stbtt_bakedchar *chardata, int pw, int ph, // same data as above +STBTT_DEF void stbtt_GetBakedQuad(stbtt_bakedchar *chardata, int pw, int ph, // same data as above int char_index, // character to display float *xpos, float *ypos, // pointers to current position in screen pixel space stbtt_aligned_quad *q, // output: quad to draw @@ -494,7 +500,7 @@ typedef struct typedef struct stbtt_pack_context stbtt_pack_context; -extern int stbtt_PackBegin(stbtt_pack_context *spc, unsigned char *pixels, int width, int height, int stride_in_bytes, int padding, void *alloc_context); +STBTT_DEF int stbtt_PackBegin(stbtt_pack_context *spc, unsigned char *pixels, int width, int height, int stride_in_bytes, int padding, void *alloc_context); // Initializes a packing context stored in the passed-in stbtt_pack_context. // Future calls using this context will pack characters into the bitmap passed // in here: a 1-channel bitmap that is weight x height. stride_in_bytes is @@ -505,12 +511,12 @@ extern int stbtt_PackBegin(stbtt_pack_context *spc, unsigned char *pixels, int // // Returns 0 on failure, 1 on success. -extern void stbtt_PackEnd (stbtt_pack_context *spc); +STBTT_DEF void stbtt_PackEnd (stbtt_pack_context *spc); // Cleans up the packing context and frees all memory. #define STBTT_POINT_SIZE(x) (-(x)) -extern int stbtt_PackFontRange(stbtt_pack_context *spc, unsigned char *fontdata, int font_index, float font_size, +STBTT_DEF int stbtt_PackFontRange(stbtt_pack_context *spc, unsigned char *fontdata, int font_index, float font_size, int first_unicode_char_in_range, int num_chars_in_range, stbtt_packedchar *chardata_for_range); // Creates character bitmaps from the font_index'th font found in fontdata (use // font_index=0 if you don't know what that is). It creates num_chars_in_range @@ -533,13 +539,13 @@ typedef struct stbtt_packedchar *chardata_for_range; // output } stbtt_pack_range; -extern int stbtt_PackFontRanges(stbtt_pack_context *spc, unsigned char *fontdata, int font_index, stbtt_pack_range *ranges, int num_ranges); +STBTT_DEF int stbtt_PackFontRanges(stbtt_pack_context *spc, unsigned char *fontdata, int font_index, stbtt_pack_range *ranges, int num_ranges); // Creates character bitmaps from multiple ranges of characters stored in // ranges. This will usually create a better-packed bitmap than multiple // calls to stbtt_PackFontRange. -extern void stbtt_PackSetOversampling(stbtt_pack_context *spc, unsigned int h_oversample, unsigned int v_oversample); +STBTT_DEF void stbtt_PackSetOversampling(stbtt_pack_context *spc, unsigned int h_oversample, unsigned int v_oversample); // Oversampling a font increases the quality by allowing higher-quality subpixel // positioning, and is especially valuable at smaller text sizes. // @@ -551,7 +557,7 @@ extern void stbtt_PackSetOversampling(stbtt_pack_context *spc, unsigned int h_ov // oversampled textures with bilinear filtering. Look at the readme in // stb/tests/oversample for information about oversampled fonts -extern void stbtt_GetPackedQuad(stbtt_packedchar *chardata, int pw, int ph, // same data as above +STBTT_DEF void stbtt_GetPackedQuad(stbtt_packedchar *chardata, int pw, int ph, // same data as above int char_index, // character to display float *xpos, float *ypos, // pointers to current position in screen pixel space stbtt_aligned_quad *q, // output: quad to draw @@ -577,7 +583,7 @@ struct stbtt_pack_context { // // -extern int stbtt_GetFontOffsetForIndex(const unsigned char *data, int index); +STBTT_DEF int stbtt_GetFontOffsetForIndex(const unsigned char *data, int index); // Each .ttf/.ttc file may have more than one font. Each font has a sequential // index number starting from 0. Call this function to get the font offset for // a given index; it returns -1 if the index is out of range. A regular .ttf @@ -601,7 +607,7 @@ typedef struct stbtt_fontinfo int indexToLocFormat; // format needed to map from glyph index to glyph } stbtt_fontinfo; -extern int stbtt_InitFont(stbtt_fontinfo *info, const unsigned char *data, int offset); +STBTT_DEF int stbtt_InitFont(stbtt_fontinfo *info, const unsigned char *data, int offset); // Given an offset into the file that defines a font, this function builds // the necessary cached info for the rest of the system. You must allocate // the stbtt_fontinfo yourself, and stbtt_InitFont will fill it out. You don't @@ -613,7 +619,7 @@ extern int stbtt_InitFont(stbtt_fontinfo *info, const unsigned char *data, int o // // CHARACTER TO GLYPH-INDEX CONVERSIOn -int stbtt_FindGlyphIndex(const stbtt_fontinfo *info, int unicode_codepoint); +STBTT_DEF int stbtt_FindGlyphIndex(const stbtt_fontinfo *info, int unicode_codepoint); // If you're going to perform multiple operations on the same character // and you want a speed-up, call this function with the character you're // going to process, then use glyph-based functions instead of the @@ -625,7 +631,7 @@ int stbtt_FindGlyphIndex(const stbtt_fontinfo *info, int unicode_codepoint); // CHARACTER PROPERTIES // -extern float stbtt_ScaleForPixelHeight(const stbtt_fontinfo *info, float pixels); +STBTT_DEF float stbtt_ScaleForPixelHeight(const stbtt_fontinfo *info, float pixels); // computes a scale factor to produce a font whose "height" is 'pixels' tall. // Height is measured as the distance from the highest ascender to the lowest // descender; in other words, it's equivalent to calling stbtt_GetFontVMetrics @@ -633,12 +639,12 @@ extern float stbtt_ScaleForPixelHeight(const stbtt_fontinfo *info, float pixels) // scale = pixels / (ascent - descent) // so if you prefer to measure height by the ascent only, use a similar calculation. -extern float stbtt_ScaleForMappingEmToPixels(const stbtt_fontinfo *info, float pixels); +STBTT_DEF float stbtt_ScaleForMappingEmToPixels(const stbtt_fontinfo *info, float pixels); // computes a scale factor to produce a font whose EM size is mapped to // 'pixels' tall. This is probably what traditional APIs compute, but // I'm not positive. -extern void stbtt_GetFontVMetrics(const stbtt_fontinfo *info, int *ascent, int *descent, int *lineGap); +STBTT_DEF void stbtt_GetFontVMetrics(const stbtt_fontinfo *info, int *ascent, int *descent, int *lineGap); // ascent is the coordinate above the baseline the font extends; descent // is the coordinate below the baseline the font extends (i.e. it is typically negative) // lineGap is the spacing between one row's descent and the next row's ascent... @@ -646,23 +652,23 @@ extern void stbtt_GetFontVMetrics(const stbtt_fontinfo *info, int *ascent, int * // these are expressed in unscaled coordinates, so you must multiply by // the scale factor for a given size -extern void stbtt_GetFontBoundingBox(const stbtt_fontinfo *info, int *x0, int *y0, int *x1, int *y1); +STBTT_DEF void stbtt_GetFontBoundingBox(const stbtt_fontinfo *info, int *x0, int *y0, int *x1, int *y1); // the bounding box around all possible characters -extern void stbtt_GetCodepointHMetrics(const stbtt_fontinfo *info, int codepoint, int *advanceWidth, int *leftSideBearing); +STBTT_DEF void stbtt_GetCodepointHMetrics(const stbtt_fontinfo *info, int codepoint, int *advanceWidth, int *leftSideBearing); // leftSideBearing is the offset from the current horizontal position to the left edge of the character // advanceWidth is the offset from the current horizontal position to the next horizontal position // these are expressed in unscaled coordinates -extern int stbtt_GetCodepointKernAdvance(const stbtt_fontinfo *info, int ch1, int ch2); +STBTT_DEF int stbtt_GetCodepointKernAdvance(const stbtt_fontinfo *info, int ch1, int ch2); // an additional amount to add to the 'advance' value between ch1 and ch2 -extern int stbtt_GetCodepointBox(const stbtt_fontinfo *info, int codepoint, int *x0, int *y0, int *x1, int *y1); +STBTT_DEF int stbtt_GetCodepointBox(const stbtt_fontinfo *info, int codepoint, int *x0, int *y0, int *x1, int *y1); // Gets the bounding box of the visible part of the glyph, in unscaled coordinates -extern void stbtt_GetGlyphHMetrics(const stbtt_fontinfo *info, int glyph_index, int *advanceWidth, int *leftSideBearing); -extern int stbtt_GetGlyphKernAdvance(const stbtt_fontinfo *info, int glyph1, int glyph2); -extern int stbtt_GetGlyphBox(const stbtt_fontinfo *info, int glyph_index, int *x0, int *y0, int *x1, int *y1); +STBTT_DEF void stbtt_GetGlyphHMetrics(const stbtt_fontinfo *info, int glyph_index, int *advanceWidth, int *leftSideBearing); +STBTT_DEF int stbtt_GetGlyphKernAdvance(const stbtt_fontinfo *info, int glyph1, int glyph2); +STBTT_DEF int stbtt_GetGlyphBox(const stbtt_fontinfo *info, int glyph_index, int *x0, int *y0, int *x1, int *y1); // as above, but takes one or more glyph indices for greater efficiency @@ -690,11 +696,11 @@ extern int stbtt_GetGlyphBox(const stbtt_fontinfo *info, int glyph_index, int * } stbtt_vertex; #endif -extern int stbtt_IsGlyphEmpty(const stbtt_fontinfo *info, int glyph_index); +STBTT_DEF int stbtt_IsGlyphEmpty(const stbtt_fontinfo *info, int glyph_index); // returns non-zero if nothing is drawn for this glyph -extern int stbtt_GetCodepointShape(const stbtt_fontinfo *info, int unicode_codepoint, stbtt_vertex **vertices); -extern int stbtt_GetGlyphShape(const stbtt_fontinfo *info, int glyph_index, stbtt_vertex **vertices); +STBTT_DEF int stbtt_GetCodepointShape(const stbtt_fontinfo *info, int unicode_codepoint, stbtt_vertex **vertices); +STBTT_DEF int stbtt_GetGlyphShape(const stbtt_fontinfo *info, int glyph_index, stbtt_vertex **vertices); // returns # of vertices and fills *vertices with the pointer to them // these are expressed in "unscaled" coordinates // @@ -705,7 +711,7 @@ extern int stbtt_GetGlyphShape(const stbtt_fontinfo *info, int glyph_index, stbt // draws a quadratic bezier from previous endpoint to // its x,y, using cx,cy as the bezier control point. -extern void stbtt_FreeShape(const stbtt_fontinfo *info, stbtt_vertex *vertices); +STBTT_DEF void stbtt_FreeShape(const stbtt_fontinfo *info, stbtt_vertex *vertices); // frees the data allocated above ////////////////////////////////////////////////////////////////////////////// @@ -713,10 +719,10 @@ extern void stbtt_FreeShape(const stbtt_fontinfo *info, stbtt_vertex *vertices); // BITMAP RENDERING // -extern void stbtt_FreeBitmap(unsigned char *bitmap, void *userdata); +STBTT_DEF void stbtt_FreeBitmap(unsigned char *bitmap, void *userdata); // frees the bitmap allocated below -extern unsigned char *stbtt_GetCodepointBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int codepoint, int *width, int *height, int *xoff, int *yoff); +STBTT_DEF unsigned char *stbtt_GetCodepointBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int codepoint, int *width, int *height, int *xoff, int *yoff); // allocates a large-enough single-channel 8bpp bitmap and renders the // specified character/glyph at the specified scale into it, with // antialiasing. 0 is no coverage (transparent), 255 is fully covered (opaque). @@ -725,39 +731,39 @@ extern unsigned char *stbtt_GetCodepointBitmap(const stbtt_fontinfo *info, float // // xoff/yoff are the offset it pixel space from the glyph origin to the top-left of the bitmap -extern unsigned char *stbtt_GetCodepointBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint, int *width, int *height, int *xoff, int *yoff); +STBTT_DEF unsigned char *stbtt_GetCodepointBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint, int *width, int *height, int *xoff, int *yoff); // the same as stbtt_GetCodepoitnBitmap, but you can specify a subpixel // shift for the character -extern void stbtt_MakeCodepointBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int codepoint); +STBTT_DEF void stbtt_MakeCodepointBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int codepoint); // the same as stbtt_GetCodepointBitmap, but you pass in storage for the bitmap // in the form of 'output', with row spacing of 'out_stride' bytes. the bitmap // is clipped to out_w/out_h bytes. Call stbtt_GetCodepointBitmapBox to get the // width and height and positioning info for it first. -extern void stbtt_MakeCodepointBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint); +STBTT_DEF void stbtt_MakeCodepointBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint); // same as stbtt_MakeCodepointBitmap, but you can specify a subpixel // shift for the character -extern void stbtt_GetCodepointBitmapBox(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1); +STBTT_DEF void stbtt_GetCodepointBitmapBox(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1); // get the bbox of the bitmap centered around the glyph origin; so the // bitmap width is ix1-ix0, height is iy1-iy0, and location to place // the bitmap top left is (leftSideBearing*scale,iy0). // (Note that the bitmap uses y-increases-down, but the shape uses // y-increases-up, so CodepointBitmapBox and CodepointBox are inverted.) -extern void stbtt_GetCodepointBitmapBoxSubpixel(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1); +STBTT_DEF void stbtt_GetCodepointBitmapBoxSubpixel(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1); // same as stbtt_GetCodepointBitmapBox, but you can specify a subpixel // shift for the character // the following functions are equivalent to the above functions, but operate // on glyph indices instead of Unicode codepoints (for efficiency) -extern unsigned char *stbtt_GetGlyphBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int glyph, int *width, int *height, int *xoff, int *yoff); -extern unsigned char *stbtt_GetGlyphBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int glyph, int *width, int *height, int *xoff, int *yoff); -extern void stbtt_MakeGlyphBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int glyph); -extern void stbtt_MakeGlyphBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int glyph); -extern void stbtt_GetGlyphBitmapBox(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1); -extern void stbtt_GetGlyphBitmapBoxSubpixel(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y,float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1); +STBTT_DEF unsigned char *stbtt_GetGlyphBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int glyph, int *width, int *height, int *xoff, int *yoff); +STBTT_DEF unsigned char *stbtt_GetGlyphBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int glyph, int *width, int *height, int *xoff, int *yoff); +STBTT_DEF void stbtt_MakeGlyphBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int glyph); +STBTT_DEF void stbtt_MakeGlyphBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int glyph); +STBTT_DEF void stbtt_GetGlyphBitmapBox(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1); +STBTT_DEF void stbtt_GetGlyphBitmapBoxSubpixel(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y,float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1); // @TODO: don't expose this structure @@ -767,7 +773,7 @@ typedef struct unsigned char *pixels; } stbtt__bitmap; -extern void stbtt_Rasterize(stbtt__bitmap *result, float flatness_in_pixels, stbtt_vertex *vertices, int num_verts, float scale_x, float scale_y, float shift_x, float shift_y, int x_off, int y_off, int invert, void *userdata); +STBTT_DEF void stbtt_Rasterize(stbtt__bitmap *result, float flatness_in_pixels, stbtt_vertex *vertices, int num_verts, float scale_x, float scale_y, float shift_x, float shift_y, int x_off, int y_off, int invert, void *userdata); ////////////////////////////////////////////////////////////////////////////// // @@ -791,7 +797,7 @@ extern void stbtt_Rasterize(stbtt__bitmap *result, float flatness_in_pixels, stb // You have to have called stbtt_InitFont() first. -extern int stbtt_FindMatchingFont(const unsigned char *fontdata, const char *name, int flags); +STBTT_DEF int stbtt_FindMatchingFont(const unsigned char *fontdata, const char *name, int flags); // returns the offset (not index) of the font that matches, or -1 if none // if you use STBTT_MACSTYLE_DONTCARE, use a font name like "Arial Bold". // if you use any other flag, use a font name like "Arial"; this checks @@ -802,11 +808,11 @@ extern int stbtt_FindMatchingFont(const unsigned char *fontdata, const char *nam #define STBTT_MACSTYLE_UNDERSCORE 4 #define STBTT_MACSTYLE_NONE 8 // <= not same as 0, this makes us check the bitfield is 0 -extern int stbtt_CompareUTF8toUTF16_bigendian(const char *s1, int len1, const char *s2, int len2); +STBTT_DEF int stbtt_CompareUTF8toUTF16_bigendian(const char *s1, int len1, const char *s2, int len2); // returns 1/0 whether the first string interpreted as utf8 is identical to // the second string interpreted as big-endian utf16... useful for strings from next func -extern const char *stbtt_GetFontNameString(const stbtt_fontinfo *font, int *length, int platformID, int encodingID, int languageID, int nameID); +STBTT_DEF const char *stbtt_GetFontNameString(const stbtt_fontinfo *font, int *length, int platformID, int encodingID, int languageID, int nameID); // returns the string (which may be big-endian double byte, e.g. for unicode) // and puts the length in bytes in *length. // @@ -905,10 +911,10 @@ typedef int stbtt__test_oversample_pow2[(STBTT_MAX_OVERSAMPLE & (STBTT_MAX_OVERS #else - stbtt_uint16 ttUSHORT(const stbtt_uint8 *p) { return p[0]*256 + p[1]; } - stbtt_int16 ttSHORT(const stbtt_uint8 *p) { return p[0]*256 + p[1]; } - stbtt_uint32 ttULONG(const stbtt_uint8 *p) { return (p[0]<<24) + (p[1]<<16) + (p[2]<<8) + p[3]; } - stbtt_int32 ttLONG(const stbtt_uint8 *p) { return (p[0]<<24) + (p[1]<<16) + (p[2]<<8) + p[3]; } + static stbtt_uint16 ttUSHORT(const stbtt_uint8 *p) { return p[0]*256 + p[1]; } + static stbtt_int16 ttSHORT(const stbtt_uint8 *p) { return p[0]*256 + p[1]; } + static stbtt_uint32 ttULONG(const stbtt_uint8 *p) { return (p[0]<<24) + (p[1]<<16) + (p[2]<<8) + p[3]; } + static stbtt_int32 ttLONG(const stbtt_uint8 *p) { return (p[0]<<24) + (p[1]<<16) + (p[2]<<8) + p[3]; } #endif @@ -939,7 +945,7 @@ static stbtt_uint32 stbtt__find_table(stbtt_uint8 *data, stbtt_uint32 fontstart, return 0; } -int stbtt_GetFontOffsetForIndex(const unsigned char *font_collection, int index) +STBTT_DEF int stbtt_GetFontOffsetForIndex(const unsigned char *font_collection, int index) { // if it's just a font, there's only one valid index if (stbtt__isfont(font_collection)) @@ -958,7 +964,7 @@ int stbtt_GetFontOffsetForIndex(const unsigned char *font_collection, int index) return -1; } -int stbtt_InitFont(stbtt_fontinfo *info, const unsigned char *data2, int fontstart) +STBTT_DEF int stbtt_InitFont(stbtt_fontinfo *info, const unsigned char *data2, int fontstart) { stbtt_uint8 *data = (stbtt_uint8 *) data2; stbtt_uint32 cmap, t; @@ -1015,7 +1021,7 @@ int stbtt_InitFont(stbtt_fontinfo *info, const unsigned char *data2, int fontsta return 1; } -int stbtt_FindGlyphIndex(const stbtt_fontinfo *info, int unicode_codepoint) +STBTT_DEF int stbtt_FindGlyphIndex(const stbtt_fontinfo *info, int unicode_codepoint) { stbtt_uint8 *data = info->data; stbtt_uint32 index_map = info->index_map; @@ -1107,7 +1113,7 @@ int stbtt_FindGlyphIndex(const stbtt_fontinfo *info, int unicode_codepoint) return 0; } -int stbtt_GetCodepointShape(const stbtt_fontinfo *info, int unicode_codepoint, stbtt_vertex **vertices) +STBTT_DEF int stbtt_GetCodepointShape(const stbtt_fontinfo *info, int unicode_codepoint, stbtt_vertex **vertices) { return stbtt_GetGlyphShape(info, stbtt_FindGlyphIndex(info, unicode_codepoint), vertices); } @@ -1139,7 +1145,7 @@ static int stbtt__GetGlyfOffset(const stbtt_fontinfo *info, int glyph_index) return g1==g2 ? -1 : g1; // if length is 0, return -1 } -int stbtt_GetGlyphBox(const stbtt_fontinfo *info, int glyph_index, int *x0, int *y0, int *x1, int *y1) +STBTT_DEF int stbtt_GetGlyphBox(const stbtt_fontinfo *info, int glyph_index, int *x0, int *y0, int *x1, int *y1) { int g = stbtt__GetGlyfOffset(info, glyph_index); if (g < 0) return 0; @@ -1151,12 +1157,12 @@ int stbtt_GetGlyphBox(const stbtt_fontinfo *info, int glyph_index, int *x0, int return 1; } -int stbtt_GetCodepointBox(const stbtt_fontinfo *info, int codepoint, int *x0, int *y0, int *x1, int *y1) +STBTT_DEF int stbtt_GetCodepointBox(const stbtt_fontinfo *info, int codepoint, int *x0, int *y0, int *x1, int *y1) { return stbtt_GetGlyphBox(info, stbtt_FindGlyphIndex(info,codepoint), x0,y0,x1,y1); } -int stbtt_IsGlyphEmpty(const stbtt_fontinfo *info, int glyph_index) +STBTT_DEF int stbtt_IsGlyphEmpty(const stbtt_fontinfo *info, int glyph_index) { stbtt_int16 numberOfContours; int g = stbtt__GetGlyfOffset(info, glyph_index); @@ -1181,7 +1187,7 @@ static int stbtt__close_shape(stbtt_vertex *vertices, int num_vertices, int was_ return num_vertices; } -int stbtt_GetGlyphShape(const stbtt_fontinfo *info, int glyph_index, stbtt_vertex **pvertices) +STBTT_DEF int stbtt_GetGlyphShape(const stbtt_fontinfo *info, int glyph_index, stbtt_vertex **pvertices) { stbtt_int16 numberOfContours; stbtt_uint8 *endPtsOfContours; @@ -1407,7 +1413,7 @@ int stbtt_GetGlyphShape(const stbtt_fontinfo *info, int glyph_index, stbtt_verte return num_vertices; } -void stbtt_GetGlyphHMetrics(const stbtt_fontinfo *info, int glyph_index, int *advanceWidth, int *leftSideBearing) +STBTT_DEF void stbtt_GetGlyphHMetrics(const stbtt_fontinfo *info, int glyph_index, int *advanceWidth, int *leftSideBearing) { stbtt_uint16 numOfLongHorMetrics = ttUSHORT(info->data+info->hhea + 34); if (glyph_index < numOfLongHorMetrics) { @@ -1419,7 +1425,7 @@ void stbtt_GetGlyphHMetrics(const stbtt_fontinfo *info, int glyph_index, int *ad } } -int stbtt_GetGlyphKernAdvance(const stbtt_fontinfo *info, int glyph1, int glyph2) +STBTT_DEF int stbtt_GetGlyphKernAdvance(const stbtt_fontinfo *info, int glyph1, int glyph2) { stbtt_uint8 *data = info->data + info->kern; stbtt_uint32 needle, straw; @@ -1449,26 +1455,26 @@ int stbtt_GetGlyphKernAdvance(const stbtt_fontinfo *info, int glyph1, int glyph return 0; } -int stbtt_GetCodepointKernAdvance(const stbtt_fontinfo *info, int ch1, int ch2) +STBTT_DEF int stbtt_GetCodepointKernAdvance(const stbtt_fontinfo *info, int ch1, int ch2) { if (!info->kern) // if no kerning table, don't waste time looking up both codepoint->glyphs return 0; return stbtt_GetGlyphKernAdvance(info, stbtt_FindGlyphIndex(info,ch1), stbtt_FindGlyphIndex(info,ch2)); } -void stbtt_GetCodepointHMetrics(const stbtt_fontinfo *info, int codepoint, int *advanceWidth, int *leftSideBearing) +STBTT_DEF void stbtt_GetCodepointHMetrics(const stbtt_fontinfo *info, int codepoint, int *advanceWidth, int *leftSideBearing) { stbtt_GetGlyphHMetrics(info, stbtt_FindGlyphIndex(info,codepoint), advanceWidth, leftSideBearing); } -void stbtt_GetFontVMetrics(const stbtt_fontinfo *info, int *ascent, int *descent, int *lineGap) +STBTT_DEF void stbtt_GetFontVMetrics(const stbtt_fontinfo *info, int *ascent, int *descent, int *lineGap) { if (ascent ) *ascent = ttSHORT(info->data+info->hhea + 4); if (descent) *descent = ttSHORT(info->data+info->hhea + 6); if (lineGap) *lineGap = ttSHORT(info->data+info->hhea + 8); } -void stbtt_GetFontBoundingBox(const stbtt_fontinfo *info, int *x0, int *y0, int *x1, int *y1) +STBTT_DEF void stbtt_GetFontBoundingBox(const stbtt_fontinfo *info, int *x0, int *y0, int *x1, int *y1) { *x0 = ttSHORT(info->data + info->head + 36); *y0 = ttSHORT(info->data + info->head + 38); @@ -1476,19 +1482,19 @@ void stbtt_GetFontBoundingBox(const stbtt_fontinfo *info, int *x0, int *y0, int *y1 = ttSHORT(info->data + info->head + 42); } -float stbtt_ScaleForPixelHeight(const stbtt_fontinfo *info, float height) +STBTT_DEF float stbtt_ScaleForPixelHeight(const stbtt_fontinfo *info, float height) { int fheight = ttSHORT(info->data + info->hhea + 4) - ttSHORT(info->data + info->hhea + 6); return (float) height / fheight; } -float stbtt_ScaleForMappingEmToPixels(const stbtt_fontinfo *info, float pixels) +STBTT_DEF float stbtt_ScaleForMappingEmToPixels(const stbtt_fontinfo *info, float pixels) { int unitsPerEm = ttUSHORT(info->data + info->head + 18); return pixels / unitsPerEm; } -void stbtt_FreeShape(const stbtt_fontinfo *info, stbtt_vertex *v) +STBTT_DEF void stbtt_FreeShape(const stbtt_fontinfo *info, stbtt_vertex *v) { STBTT_free(v, info->userdata); } @@ -1498,7 +1504,7 @@ void stbtt_FreeShape(const stbtt_fontinfo *info, stbtt_vertex *v) // antialiasing software rasterizer // -void stbtt_GetGlyphBitmapBoxSubpixel(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y,float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1) +STBTT_DEF void stbtt_GetGlyphBitmapBoxSubpixel(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y,float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1) { int x0,y0,x1,y1; if (!stbtt_GetGlyphBox(font, glyph, &x0,&y0,&x1,&y1)) { @@ -1516,17 +1522,17 @@ void stbtt_GetGlyphBitmapBoxSubpixel(const stbtt_fontinfo *font, int glyph, floa } } -void stbtt_GetGlyphBitmapBox(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1) +STBTT_DEF void stbtt_GetGlyphBitmapBox(const stbtt_fontinfo *font, int glyph, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1) { stbtt_GetGlyphBitmapBoxSubpixel(font, glyph, scale_x, scale_y,0.0f,0.0f, ix0, iy0, ix1, iy1); } -void stbtt_GetCodepointBitmapBoxSubpixel(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1) +STBTT_DEF void stbtt_GetCodepointBitmapBoxSubpixel(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, float shift_x, float shift_y, int *ix0, int *iy0, int *ix1, int *iy1) { stbtt_GetGlyphBitmapBoxSubpixel(font, stbtt_FindGlyphIndex(font,codepoint), scale_x, scale_y,shift_x,shift_y, ix0,iy0,ix1,iy1); } -void stbtt_GetCodepointBitmapBox(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1) +STBTT_DEF void stbtt_GetCodepointBitmapBox(const stbtt_fontinfo *font, int codepoint, float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1) { stbtt_GetCodepointBitmapBoxSubpixel(font, codepoint, scale_x, scale_y,0.0f,0.0f, ix0,iy0,ix1,iy1); } @@ -1807,7 +1813,7 @@ static int stbtt__tesselate_curve(stbtt__point *points, int *num_points, float x } // returns number of contours -stbtt__point *stbtt_FlattenCurves(stbtt_vertex *vertices, int num_verts, float objspace_flatness, int **contour_lengths, int *num_contours, void *userdata) +static stbtt__point *stbtt_FlattenCurves(stbtt_vertex *vertices, int num_verts, float objspace_flatness, int **contour_lengths, int *num_contours, void *userdata) { stbtt__point *points=0; int num_points=0; @@ -1876,7 +1882,7 @@ error: return NULL; } -void stbtt_Rasterize(stbtt__bitmap *result, float flatness_in_pixels, stbtt_vertex *vertices, int num_verts, float scale_x, float scale_y, float shift_x, float shift_y, int x_off, int y_off, int invert, void *userdata) +STBTT_DEF void stbtt_Rasterize(stbtt__bitmap *result, float flatness_in_pixels, stbtt_vertex *vertices, int num_verts, float scale_x, float scale_y, float shift_x, float shift_y, int x_off, int y_off, int invert, void *userdata) { float scale = scale_x > scale_y ? scale_y : scale_x; int winding_count, *winding_lengths; @@ -1888,12 +1894,12 @@ void stbtt_Rasterize(stbtt__bitmap *result, float flatness_in_pixels, stbtt_vert } } -void stbtt_FreeBitmap(unsigned char *bitmap, void *userdata) +STBTT_DEF void stbtt_FreeBitmap(unsigned char *bitmap, void *userdata) { STBTT_free(bitmap, userdata); } -unsigned char *stbtt_GetGlyphBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int glyph, int *width, int *height, int *xoff, int *yoff) +STBTT_DEF unsigned char *stbtt_GetGlyphBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int glyph, int *width, int *height, int *xoff, int *yoff) { int ix0,iy0,ix1,iy1; stbtt__bitmap gbm; @@ -1930,12 +1936,12 @@ unsigned char *stbtt_GetGlyphBitmapSubpixel(const stbtt_fontinfo *info, float sc return gbm.pixels; } -unsigned char *stbtt_GetGlyphBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int glyph, int *width, int *height, int *xoff, int *yoff) +STBTT_DEF unsigned char *stbtt_GetGlyphBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int glyph, int *width, int *height, int *xoff, int *yoff) { return stbtt_GetGlyphBitmapSubpixel(info, scale_x, scale_y, 0.0f, 0.0f, glyph, width, height, xoff, yoff); } -void stbtt_MakeGlyphBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int glyph) +STBTT_DEF void stbtt_MakeGlyphBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int glyph) { int ix0,iy0; stbtt_vertex *vertices; @@ -1954,27 +1960,27 @@ void stbtt_MakeGlyphBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *ou STBTT_free(vertices, info->userdata); } -void stbtt_MakeGlyphBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int glyph) +STBTT_DEF void stbtt_MakeGlyphBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int glyph) { stbtt_MakeGlyphBitmapSubpixel(info, output, out_w, out_h, out_stride, scale_x, scale_y, 0.0f,0.0f, glyph); } -unsigned char *stbtt_GetCodepointBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint, int *width, int *height, int *xoff, int *yoff) +STBTT_DEF unsigned char *stbtt_GetCodepointBitmapSubpixel(const stbtt_fontinfo *info, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint, int *width, int *height, int *xoff, int *yoff) { return stbtt_GetGlyphBitmapSubpixel(info, scale_x, scale_y,shift_x,shift_y, stbtt_FindGlyphIndex(info,codepoint), width,height,xoff,yoff); } -void stbtt_MakeCodepointBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint) +STBTT_DEF void stbtt_MakeCodepointBitmapSubpixel(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, float shift_x, float shift_y, int codepoint) { stbtt_MakeGlyphBitmapSubpixel(info, output, out_w, out_h, out_stride, scale_x, scale_y, shift_x, shift_y, stbtt_FindGlyphIndex(info,codepoint)); } -unsigned char *stbtt_GetCodepointBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int codepoint, int *width, int *height, int *xoff, int *yoff) +STBTT_DEF unsigned char *stbtt_GetCodepointBitmap(const stbtt_fontinfo *info, float scale_x, float scale_y, int codepoint, int *width, int *height, int *xoff, int *yoff) { return stbtt_GetCodepointBitmapSubpixel(info, scale_x, scale_y, 0.0f,0.0f, codepoint, width,height,xoff,yoff); } -void stbtt_MakeCodepointBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int codepoint) +STBTT_DEF void stbtt_MakeCodepointBitmap(const stbtt_fontinfo *info, unsigned char *output, int out_w, int out_h, int out_stride, float scale_x, float scale_y, int codepoint) { stbtt_MakeCodepointBitmapSubpixel(info, output, out_w, out_h, out_stride, scale_x, scale_y, 0.0f,0.0f, codepoint); } @@ -1985,7 +1991,7 @@ void stbtt_MakeCodepointBitmap(const stbtt_fontinfo *info, unsigned char *output // // This is SUPER-CRAPPY packing to keep source code small -extern int stbtt_BakeFontBitmap(const unsigned char *data, int offset, // font location (use offset=0 for plain .ttf) +STBTT_DEF int stbtt_BakeFontBitmap(const unsigned char *data, int offset, // font location (use offset=0 for plain .ttf) float pixel_height, // height of font in pixels unsigned char *pixels, int pw, int ph, // bitmap to be filled in int first_char, int num_chars, // characters to bake @@ -2030,7 +2036,7 @@ extern int stbtt_BakeFontBitmap(const unsigned char *data, int offset, // font return bottom_y; } -void stbtt_GetBakedQuad(stbtt_bakedchar *chardata, int pw, int ph, int char_index, float *xpos, float *ypos, stbtt_aligned_quad *q, int opengl_fillrule) +STBTT_DEF void stbtt_GetBakedQuad(stbtt_bakedchar *chardata, int pw, int ph, int char_index, float *xpos, float *ypos, stbtt_aligned_quad *q, int opengl_fillrule) { float d3d_bias = opengl_fillrule ? 0 : -0.5f; float ipw = 1.0f / pw, iph = 1.0f / ph; @@ -2133,7 +2139,7 @@ static void stbrp_pack_rects(stbrp_context *con, stbrp_rect *rects, int num_rect // This is SUPER-AWESOME (tm Ryan Gordon) packing using stb_rect_pack.h. If // stb_rect_pack.h isn't available, it uses the BakeFontBitmap strategy. -int stbtt_PackBegin(stbtt_pack_context *spc, unsigned char *pixels, int pw, int ph, int stride_in_bytes, int padding, void *alloc_context) +STBTT_DEF int stbtt_PackBegin(stbtt_pack_context *spc, unsigned char *pixels, int pw, int ph, int stride_in_bytes, int padding, void *alloc_context) { stbrp_context *context = (stbrp_context *) STBTT_malloc(sizeof(*context) ,alloc_context); int num_nodes = pw - padding; @@ -2163,13 +2169,13 @@ int stbtt_PackBegin(stbtt_pack_context *spc, unsigned char *pixels, int pw, int return 1; } -void stbtt_PackEnd (stbtt_pack_context *spc) +STBTT_DEF void stbtt_PackEnd (stbtt_pack_context *spc) { STBTT_free(spc->nodes , spc->user_allocator_context); STBTT_free(spc->pack_info, spc->user_allocator_context); } -void stbtt_PackSetOversampling(stbtt_pack_context *spc, unsigned int h_oversample, unsigned int v_oversample) +STBTT_DEF void stbtt_PackSetOversampling(stbtt_pack_context *spc, unsigned int h_oversample, unsigned int v_oversample) { STBTT_assert(h_oversample <= STBTT_MAX_OVERSAMPLE); STBTT_assert(v_oversample <= STBTT_MAX_OVERSAMPLE); @@ -2301,7 +2307,7 @@ static float stbtt__oversample_shift(int oversample) return (float)-(oversample - 1) / (2.0f * (float)oversample); } -int stbtt_PackFontRanges(stbtt_pack_context *spc, unsigned char *fontdata, int font_index, stbtt_pack_range *ranges, int num_ranges) +STBTT_DEF int stbtt_PackFontRanges(stbtt_pack_context *spc, unsigned char *fontdata, int font_index, stbtt_pack_range *ranges, int num_ranges) { stbtt_fontinfo info; float recip_h = 1.0f / spc->h_oversample; @@ -2410,7 +2416,7 @@ int stbtt_PackFontRanges(stbtt_pack_context *spc, unsigned char *fontdata, int f return return_value; } -int stbtt_PackFontRange(stbtt_pack_context *spc, unsigned char *fontdata, int font_index, float font_size, +STBTT_DEF int stbtt_PackFontRange(stbtt_pack_context *spc, unsigned char *fontdata, int font_index, float font_size, int first_unicode_char_in_range, int num_chars_in_range, stbtt_packedchar *chardata_for_range) { stbtt_pack_range range; @@ -2421,7 +2427,7 @@ int stbtt_PackFontRange(stbtt_pack_context *spc, unsigned char *fontdata, int fo return stbtt_PackFontRanges(spc, fontdata, font_index, &range, 1); } -void stbtt_GetPackedQuad(stbtt_packedchar *chardata, int pw, int ph, int char_index, float *xpos, float *ypos, stbtt_aligned_quad *q, int align_to_integer) +STBTT_DEF void stbtt_GetPackedQuad(stbtt_packedchar *chardata, int pw, int ph, int char_index, float *xpos, float *ypos, stbtt_aligned_quad *q, int align_to_integer) { float ipw = 1.0f / pw, iph = 1.0f / ph; stbtt_packedchar *b = chardata + char_index; @@ -2494,14 +2500,14 @@ static stbtt_int32 stbtt__CompareUTF8toUTF16_bigendian_prefix(const stbtt_uint8 return i; } -int stbtt_CompareUTF8toUTF16_bigendian(const char *s1, int len1, const char *s2, int len2) +STBTT_DEF int stbtt_CompareUTF8toUTF16_bigendian(const char *s1, int len1, const char *s2, int len2) { return len1 == stbtt__CompareUTF8toUTF16_bigendian_prefix((const stbtt_uint8*) s1, len1, (const stbtt_uint8*) s2, len2); } // returns results in whatever encoding you request... but note that 2-byte encodings // will be BIG-ENDIAN... use stbtt_CompareUTF8toUTF16_bigendian() to compare -const char *stbtt_GetFontNameString(const stbtt_fontinfo *font, int *length, int platformID, int encodingID, int languageID, int nameID) +STBTT_DEF const char *stbtt_GetFontNameString(const stbtt_fontinfo *font, int *length, int platformID, int encodingID, int languageID, int nameID) { stbtt_int32 i,count,stringOffset; stbtt_uint8 *fc = font->data; @@ -2598,7 +2604,7 @@ static int stbtt__matches(stbtt_uint8 *fc, stbtt_uint32 offset, stbtt_uint8 *nam return 0; } -int stbtt_FindMatchingFont(const unsigned char *font_collection, const char *name_utf8, stbtt_int32 flags) +STBTT_DEF int stbtt_FindMatchingFont(const unsigned char *font_collection, const char *name_utf8, stbtt_int32 flags) { stbtt_int32 i; for (i=0;;++i) {