-// stb_truetype.h - v0.6c - public domain
-// authored from 2009-2012 by Sean Barrett / RAD Game Tools
+// stb_truetype.h - v0.7 - public domain
+// authored from 2009-2013 by Sean Barrett / RAD Game Tools
//
// This library processes TrueType files:
// parse files
// "Zer" on mollyrocket (with fix)
// Cass Everitt
// stoiko (Haemimont Games)
-// Brian Hook
+// Brian Hook
// Walter van Niftrik
//
// VERSION HISTORY
//
+// 0.7 (2013-09-25) bugfix: subpixel glyph bug fixed in 0.5 had come back
// 0.6c (2012-07-24) improve documentation
// 0.6b (2012-07-20) fix a few more warnings
// 0.6 (2012-07-17) fix warnings; added stbtt_ScaleForMappingEmToPixels,
// Curve tesselation 120 LOC \__ 550 LOC Bitmap creation
// Bitmap management 100 LOC /
// Baked bitmap interface 70 LOC /
-// Font name matching & access 150 LOC ---- 150
+// Font name matching & access 150 LOC ---- 150
// C runtime library abstraction 60 LOC ---- 60
}
return 0;
}
-#endif
+#endif
//
// Output:
//
// :@@. M@M
// @@@o@@@@
// :M@@V:@@.
-//
+//
//////////////////////////////////////////////////////////////////////////////
-//
+//
// Complete program: print "Hello World!" banner, with bugs
//
#if 0
typedef struct
{
unsigned short x0,y0,x1,y1; // coordinates of bbox in bitmap
- float xoff,yoff,xadvance;
+ float xoff,yoff,xadvance;
} stbtt_bakedchar;
extern int stbtt_BakeFontBitmap(const unsigned char *data, int offset, // font location (use offset=0 for plain .ttf)
if (i != 0)
num_vertices = stbtt__close_shape(vertices, num_vertices, was_off, start_off, sx,sy,scx,scy,cx,cy);
- // now start the new one
+ // now start the new one
start_off = !(flags & 1);
if (start_off) {
// if we start off with an off-curve point, then when we need to find a point on the curve
int comp_num_verts = 0, i;
stbtt_vertex *comp_verts = 0, *tmp = 0;
float mtx[6] = {1,0,0,1,0,0}, m, n;
-
+
flags = ttSHORT(comp); comp+=2;
gidx = ttSHORT(comp); comp+=2;
mtx[2] = ttSHORT(comp)/16384.0f; comp+=2;
mtx[3] = ttSHORT(comp)/16384.0f; comp+=2;
}
-
+
// Find transformation scales.
m = (float) sqrt(mtx[0]*mtx[0] + mtx[1]*mtx[1]);
n = (float) sqrt(mtx[2]*mtx[2] + mtx[3]*mtx[3]);
}
}
}
-
+
e = e->next;
}
}
{
int ix0,iy0,ix1,iy1;
stbtt__bitmap gbm;
- stbtt_vertex *vertices;
+ stbtt_vertex *vertices;
int num_verts = stbtt_GetGlyphShape(info, glyph, &vertices);
if (scale_x == 0) scale_x = scale_y;
scale_y = scale_x;
}
- stbtt_GetGlyphBitmapBox(info, glyph, scale_x, scale_y, &ix0,&iy0,&ix1,&iy1);
+ stbtt_GetGlyphBitmapBoxSubpixel(info, glyph, scale_x, scale_y, shift_x, shift_y, &ix0,&iy0,&ix1,&iy1);
// now we get the size
gbm.w = (ix1 - ix0);
if (height) *height = gbm.h;
if (xoff ) *xoff = ix0;
if (yoff ) *yoff = iy0;
-
+
if (gbm.w && gbm.h) {
gbm.pixels = (unsigned char *) STBTT_malloc(gbm.w * gbm.h, info->userdata);
if (gbm.pixels) {
}
STBTT_free(vertices, info->userdata);
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)
{
int ix0,iy0;
stbtt_vertex *vertices;
int num_verts = stbtt_GetGlyphShape(info, glyph, &vertices);
- stbtt__bitmap gbm;
+ stbtt__bitmap gbm;
stbtt_GetGlyphBitmapBoxSubpixel(info, glyph, scale_x, scale_y, shift_x, shift_y, &ix0,&iy0,0,0);
gbm.pixels = output;
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)
{
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)
{
//
// check if a utf8 string contains a prefix which is the utf16 string; if so return length of matching utf8 string
-static stbtt_int32 stbtt__CompareUTF8toUTF16_bigendian_prefix(const stbtt_uint8 *s1, stbtt_int32 len1, const stbtt_uint8 *s2, stbtt_int32 len2)
+static stbtt_int32 stbtt__CompareUTF8toUTF16_bigendian_prefix(const stbtt_uint8 *s1, stbtt_int32 len1, const stbtt_uint8 *s2, stbtt_int32 len2)
{
stbtt_int32 i=0;
return i;
}
-int stbtt_CompareUTF8toUTF16_bigendian(const char *s1, int len1, const char *s2, int len2)
+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);
}