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stb_rect_pack: fix LARGE_RECT bug

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stb_truetype: oversampling, including oversampling demo app
This commit is contained in:
Sean Barrett
2014-12-06 12:28:46 -08:00
parent b6f8358f47
commit f03e352093
11 changed files with 1551 additions and 58 deletions
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22
tests/test_truetype.c
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@ -20,9 +20,10 @@ void debug(void)
}
#define BITMAP_W 256
#define BITMAP_H 400
#define BITMAP_H 512
unsigned char temp_bitmap[BITMAP_H][BITMAP_W];
stbtt_bakedchar cdata[256*2]; // ASCII 32..126 is 95 glyphs
stbtt_packedchar pdata[256*2];
int main(int argc, char **argv)
{
stbtt_fontinfo font;
@ -37,13 +38,11 @@ int main(int argc, char **argv)
stbtt_BakeFontBitmap(ttf_buffer,stbtt_GetFontOffsetForIndex(ttf_buffer,0), 40.0, temp_bitmap[0],BITMAP_W,BITMAP_H, 32,96, cdata); // no guarantee this fits!
stbi_write_png("fonttest1.png", BITMAP_W, BITMAP_H, 1, temp_bitmap, 0);
stbtt_BakeFontBitmap(ttf_buffer,stbtt_GetFontOffsetForIndex(ttf_buffer,0), 40.0, temp_bitmap[0],BITMAP_W,BITMAP_H, 32,96, cdata); // no guarantee this fits!
{
stbtt_pack_context pc;
stbtt_PackBegin(&pc, temp_bitmap[0], BITMAP_W, BITMAP_H, 0, NULL);
stbtt_PackFontRange(&pc, ttf_buffer, 0, 40.0, 32, 95, cdata);
stbtt_PackFontRange(&pc, ttf_buffer, 0, 40.0, 0xa0, 0x100-0xa0, cdata);
stbtt_PackBegin(&pc, temp_bitmap[0], BITMAP_W, BITMAP_H, 0, 1, NULL);
stbtt_PackFontRange(&pc, ttf_buffer, 0, 20.0, 32, 95, pdata);
stbtt_PackFontRange(&pc, ttf_buffer, 0, 20.0, 0xa0, 0x100-0xa0, pdata);
stbtt_PackEnd(&pc);
stbi_write_png("fonttest2.png", BITMAP_W, BITMAP_H, 1, temp_bitmap, 0);
}
@ -51,17 +50,18 @@ int main(int argc, char **argv)
{
stbtt_pack_context pc;
stbtt_pack_range pr[2];
stbtt_PackBegin(&pc, temp_bitmap[0], BITMAP_W, BITMAP_H, 0, NULL);
stbtt_PackBegin(&pc, temp_bitmap[0], BITMAP_W, BITMAP_H, 0, 1, NULL);
pr[0].chardata_for_range = cdata;
pr[0].chardata_for_range = pdata;
pr[0].first_unicode_char_in_range = 32;
pr[0].num_chars_in_range = 95;
pr[0].font_size = 40.0;
pr[1].chardata_for_range = cdata+256;
pr[0].font_size = 20.0f;
pr[1].chardata_for_range = pdata+256;
pr[1].first_unicode_char_in_range = 0xa0;
pr[1].num_chars_in_range = 0x100 - 0xa0;
pr[1].font_size = 40.0;
pr[1].font_size = 20.0f;
stbtt_PackSetOversampling(&pc, 2, 2);
stbtt_PackFontRanges(&pc, ttf_buffer, 0, pr, 2);
stbtt_PackEnd(&pc);
stbi_write_png("fonttest3.png", BITMAP_W, BITMAP_H, 1, temp_bitmap, 0);