diff options
Diffstat (limited to 'tests/make_png/hash_to_file.c')
| -rw-r--r-- | tests/make_png/hash_to_file.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/tests/make_png/hash_to_file.c b/tests/make_png/hash_to_file.c new file mode 100644 index 000000000..e3446594b --- /dev/null +++ b/tests/make_png/hash_to_file.c @@ -0,0 +1,151 @@ +#include "bitmap.h" + +int main (int argc, char const *argv[]) +{ + FT_Library library; + FT_Face face; + FT_GlyphSlot slot; + + FT_Bitmap* bitmap; + + FT_Error error; + + const char* font_file; + int size; + int render_mode; // argument + + int load_flag; // FT_LOAD_XXX + int render_flag; // FT_RENDER_MODE_XXX + int target_flag; // FT_LOAD_TARGET_XXX + char* render_type; // for file_name + + char name[100]; // hashes file name + int i; // for loop + + if (argc != 4) + { + printf("\nTo generate MurmurHash3 hash values of all glyphs\n"); + printf("Hashes will be saved in a file named\n \ + $(font)_$(pt_size)_$(render_mode).hash \n\n"); + + printf("Default: hashes of 256-level gray bitmaps will be generated\n\n"); + + printf("Usage ./<exe> <font_file> <pt_size> <render_mode>\n\n"); + + printf("Values for render_mode 0 - monochrome\n"); + printf(" 1 - anti-aliased\n"); + printf(" 2 - lcd horizontal-RGB\n"); + printf(" 3 - lcd vertical-RGB\n"); + + return 1; + } + + font_file = argv[1]; + size = atof(argv[2]); + render_mode = atoi(argv[3]); + + error = FT_Init_FreeType( &library ); + if(error){ + printf("Error while initialising library\n"); + } + + if (render_mode > 1 ) + { + error = FT_Library_SetLcdFilter( library, + FT_LCD_FILTER_DEFAULT ); + if(error){ + printf("Error while setting LCD filter\n"); + } + } + + error = FT_New_Face( library, + font_file, + 0, + &face ); + if(error){ + printf("Error loading new face\n"); + } + + error = FT_Set_Char_Size( face, + size * 64, + 0, + DPI, + 0 ); + if(error){ + printf("Error setting character size\n"); + } + + switch ( render_mode ) { + case 0: render_flag = FT_RENDER_MODE_MONO; + load_flag = FT_LOAD_DEFAULT; + target_flag = FT_LOAD_TARGET_MONO; + render_type = "mono"; + break; + + case 1: render_flag = FT_RENDER_MODE_NORMAL; + load_flag = FT_LOAD_DEFAULT; + target_flag = FT_LOAD_TARGET_NORMAL; + render_type = "gray"; + break; + + case 2: render_flag = FT_RENDER_MODE_LCD; + load_flag = FT_LOAD_DEFAULT; + target_flag = FT_LOAD_TARGET_LCD; + render_type = "lcd_rgb"; + break; + + case 3: render_flag = FT_RENDER_MODE_LCD_V; + load_flag = FT_LOAD_DEFAULT; + target_flag = FT_LOAD_TARGET_LCD_V; + render_type = "lcd_ver_rgb"; + break; + + default:render_flag = FT_RENDER_MODE_NORMAL; + load_flag = FT_LOAD_DEFAULT; + target_flag = FT_LOAD_TARGET_NORMAL; + render_type = "gray"; + } + + slot = face->glyph; + + FILE* fp; + + sprintf(name,"./hashes/%s_%d_%s.hash",font_file, + size, + render_type); + + fp = fopen(name,"w"); + + for (i = 0; i < face->num_glyphs; ++i) + { + error = FT_Load_Glyph( face, + i, + load_flag | target_flag); + if(error){ + printf("Error loading glyph\n"); + } + + FT_Render_Glyph( slot, + render_flag); + if(error){ + printf("Error rendering the glyph\n"); + } + + bitmap = &slot->bitmap; + + HASH_128 * murmur = (HASH_128 *) malloc(sizeof(HASH_128)) ; + murmur = Generate_Hash_x64_128(bitmap,murmur); + + fprintf(fp, "%08x %08x %08x %08x\n", murmur->hash[0], // Print hash + murmur->hash[1], + murmur->hash[2], + murmur->hash[3]); + } + fclose(fp); + + FT_Done_Face ( face ); + FT_Done_FreeType( library ); + + return 0; + +} |