1 files changed, 105 insertions, 0 deletions
diff --git a/thirdparty/stb/tests/test_truetype.c b/thirdparty/stb/tests/test_truetype.c
new file mode 100644
index 0000000..1ac147b
--- /dev/null
+++ b/thirdparty/stb/tests/test_truetype.c
@@ -0,0 +1,105 @@
+#ifndef _CRT_SECURE_NO_WARNINGS
+// Fixes Compile Errors for Visual Studio 2005 or newer
+  #define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include <stdlib.h>
+
+// this isn't meant to compile standalone; link with test_c_compilation.c as well
+#include "stb_rect_pack.h"
+#define STB_TRUETYPE_IMPLEMENTATION
+#include "stb_truetype.h"
+#include "stb_image_write.h"
+
+#ifdef TT_TEST
+
+#include <stdio.h>
+
+unsigned char ttf_buffer[1 << 25];
+unsigned char output[512*100];
+
+void debug(void)
+{
+   stbtt_fontinfo font;
+   fread(ttf_buffer, 1, 1<<25, fopen("c:/x/lm/LiberationMono-Regular.ttf", "rb"));
+   stbtt_InitFont(&font, ttf_buffer, 0);
+
+   stbtt_MakeGlyphBitmap(&font, output, 6, 9, 512, 5.172414E-03f, 5.172414E-03f, 54);
+}
+
+#define BITMAP_W  256
+#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;
+   unsigned char *bitmap;
+   int w,h,i,j,c = (argc > 1 ? atoi(argv[1]) : 34807), s = (argc > 2 ? atoi(argv[2]) : 32);
+
+   //debug();
+
+   // @TODO: why is minglui.ttc failing? 
+   fread(ttf_buffer, 1, 1<<25, fopen(argc > 3 ? argv[3] : "c:/windows/fonts/mingliu.ttc", "rb"));
+
+   //fread(ttf_buffer, 1, 1<<25, fopen(argc > 3 ? argv[3] : "c:/x/DroidSansMono.ttf", "rb"));
+   {
+      static stbtt_pack_context pc;
+      static stbtt_packedchar cd[256];
+      static unsigned char atlas[1024*1024];
+
+      stbtt_PackBegin(&pc, atlas, 1024,1024,1024,1,NULL);
+      stbtt_PackFontRange(&pc, ttf_buffer, 0, 32.0, 0, 256, cd);
+      stbtt_PackEnd(&pc);
+   }
+
+#if 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!
+   stbi_write_png("fonttest1.png", BITMAP_W, BITMAP_H, 1, temp_bitmap, 0);
+
+   {
+      stbtt_pack_context pc;
+      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);
+   }
+
+   {
+      stbtt_pack_context pc;
+      stbtt_pack_range pr[2];
+      stbtt_PackBegin(&pc, temp_bitmap[0], BITMAP_W, BITMAP_H, 0, 1, NULL);
+
+      pr[0].chardata_for_range = pdata;
+      pr[0].array_of_unicode_codepoints = NULL;
+      pr[0].first_unicode_codepoint_in_range = 32;
+      pr[0].num_chars = 95;
+      pr[0].font_size = 20.0f;
+      pr[1].chardata_for_range = pdata+256;
+      pr[1].array_of_unicode_codepoints = NULL;
+      pr[1].first_unicode_codepoint_in_range = 0xa0;
+      pr[1].num_chars = 0x100 - 0xa0;
+      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);
+   }
+   return 0;
+#endif
+
+   stbtt_InitFont(&font, ttf_buffer, stbtt_GetFontOffsetForIndex(ttf_buffer,0));
+   bitmap = stbtt_GetCodepointBitmap(&font, 0,stbtt_ScaleForPixelHeight(&font, (float)s), c, &w, &h, 0,0);
+
+   for (j=0; j < h; ++j) {
+      for (i=0; i < w; ++i)
+         putchar(" .:ioVM@"[bitmap[j*w+i]>>5]);
+      putchar('\n');
+   }
+   return 0;
+}
+#endif