forked from minhngoc25a/freetype2
Add make_sprite.c (under Development) - Look at README
This commit is contained in:
Kushal K S V S
parent
97bee81339
commit
526ca6aa33
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@ -2,14 +2,18 @@ NOTE: First make freetype library (in the ../../ directory)
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make devel
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make
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NOTE: Right now, the sprite sheets are generated stitching the base and test glyph
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together.
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TODO: Monochrome sprite sheets.
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Sprite sheets with more sub-images (visual effects).
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To generate hashes and store it in the ./hashes folder,
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1) make hash
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(set resoluton in DPI by passing argument
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example: sudo make DPI=100, if not specified,default is 72)
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(set resoluton in DPI by passing argument
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example: sudo make DPI=100, if not specified,default is 72)
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2) Usage ./hash <font_file> <pt_size> <render_mode>
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2) Usage ./hash <font_file> <pt_size> <render_mode>
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Hashes will be saved in a file named
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$(font)_$(pt_size)_$(render_mode).hash
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@ -24,19 +28,37 @@ To generate hashes and store it in the ./hashes folder,
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To generate 32-bit RGBA PNG(s) of all glyphs in a font\n
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1) make png
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(set resoluton in DPI by passing argument
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(set resoluton in DPI by passing argument
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example: sudo make DPI=100, if not specified,default is 72)
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2) Usage ./<exe> <font_file> <pt_size> <render_mode>
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2) Usage ./<exe> <font_file> <pt_size> <render_mode>
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Images will be saved in a file named
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$(font)_$(pt_size)_$(render_mode)_$(glyph_index).png
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Images will be saved in a file named
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$(font)_$(pt_size)_$(render_mode)_$(glyph_index).png
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By default, hashes of 256-level gray bitmaps will be generated
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By default, hashes of 256-level gray bitmaps will be generated
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Values for render_mode 0 - monochrome
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1 - anti-aliased
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2 - lcd horizontal-RGB
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3 - lcd horizontal-BGR
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4 - lcd vertical-RGB
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5 - lcd vertical-BGR
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To generate sprite sheets,
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First compile and install two versions of the FreeType libray in different folders
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(with SUBPIXEL_RENDERING enabled in ftoption.h)
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1) make sprite
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(set resoluton in DPI by passing argument
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example: sudo make DPI=100, if not specified,default is 72)
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2) Usage ./sprite <base_version .so> <test_version .so> <font_file> <pt_size> <render_mode>
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The path to the "shared library files" in usage should be absolute.
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Sprite Sheets will be saved as sprite_$(glyph_index).png
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Render modes similar to generating PNG(s).
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Values for render_mode 0 - monochrome
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1 - anti-aliased
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2 - lcd horizontal-RGB
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3 - lcd horizontal-BGR
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4 - lcd vertical-RGB
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5 - lcd vertical-BGR
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@ -11,7 +11,7 @@
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#include "murmur3.h" // MurmurHash3_x64_128 header file
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#include <png.h>
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#include <dlfcn.h>
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#include FT_FREETYPE_H
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#include FT_MODULE_H
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@ -0,0 +1,414 @@
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#include "bitmap.h"
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int main(int argc, char const *argv[])
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{
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const char* base_version;
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const char* test_version;
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const char* font_file;
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int size;
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int render_mode;
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int load_flag; // FT_LOAD_XXX
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int render_flag; // FT_RENDER_MODE_XXX
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int target_flag; // FT_LOAD_TARGET_XXX
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if(argc != 6)
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{
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printf("Usage: ./sprite <base .so> <test .so> \
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<fnt_file> <pt_size> <render_mode>\n");
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printf("Values for render_mode 0 - monochrome\n");
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printf(" 1 - anti-aliased\n");
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printf(" 2 - lcd horizontal-RGB\n");
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printf(" 3 - lcd horizontal-BGR\n");
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printf(" 4 - lcd vertical-RGB\n");
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printf(" 5 - lcd vertical-BGR\n");
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return 0;
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}
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base_version = argv[1];
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test_version = argv[2];
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font_file = argv[3];
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size = atoi(argv[4]);
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render_mode = atoi(argv[5]);
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FT_Library base_library;
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FT_Face base_face;
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FT_GlyphSlot base_slot;
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FT_Bitmap* base_bitmap;
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FT_Bitmap base_target;
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FT_Library test_library;
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FT_Face test_face;
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FT_GlyphSlot test_slot;
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FT_Bitmap* test_bitmap;
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FT_Bitmap test_target;
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FT_Error error;
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int alignment = 4;
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char * output_file_name = ( char * )calloc(20,sizeof(char));
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IMAGE base_png;
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IMAGE test_png;
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IMAGE after_effect_1;
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IMAGE after_effect_2;
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IMAGE output;
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/*******************************************************************/
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FT_Error ( *Base_Init_FreeType )( FT_Library* );
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FT_Error ( *Base_Library_SetLcdFilter )( FT_Library ,
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FT_LcdFilter );
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FT_Error ( *Base_New_Face )( FT_Library,
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const char*,
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FT_Long,
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FT_Face* );
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FT_Error ( *Base_Set_Char_Size )( FT_Face,
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FT_F26Dot6,
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FT_F26Dot6,
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FT_UInt,
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FT_UInt );
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FT_Error ( *Base_Load_Glyph )( FT_Face,
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FT_UInt,
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FT_Int32 );
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FT_Error ( *Base_Render_Glyph )( FT_GlyphSlot,
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FT_Render_Mode );
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void ( *Base_Bitmap_Init )( FT_Bitmap* );
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FT_Error ( *Base_Bitmap_Convert )( FT_Library,
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const FT_Bitmap*,
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FT_Bitmap*,
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FT_Int);
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FT_Error ( *Base_Done_Face )( FT_Face );
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FT_Error ( *Base_Done_FreeType )( FT_Library );
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/*******************************************************************/
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FT_Error ( *Test_Init_FreeType )( FT_Library* );
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FT_Error ( *Test_Library_SetLcdFilter )( FT_Library ,
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FT_LcdFilter );
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FT_Error ( *Test_New_Face )( FT_Library,
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const char*,
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FT_Long,
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FT_Face* );
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FT_Error ( *Test_Set_Char_Size )( FT_Face,
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FT_F26Dot6,
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FT_F26Dot6,
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FT_UInt,
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FT_UInt );
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FT_Error ( *Test_Load_Glyph )( FT_Face,
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FT_UInt,
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FT_Int32 );
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FT_Error ( *Test_Render_Glyph )( FT_GlyphSlot,
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FT_Render_Mode );
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void ( *Test_Bitmap_Init )( FT_Bitmap* );
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FT_Error ( *Test_Bitmap_Convert )( FT_Library,
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const FT_Bitmap*,
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FT_Bitmap*,
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FT_Int);
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FT_Error ( *Test_Done_Face )( FT_Face );
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FT_Error ( *Test_Done_FreeType )( FT_Library );
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/*******************************************************************/
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void* base_handle = dlopen( base_version, RTLD_LAZY );
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if (!base_handle) {
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fputs(dlerror(), stderr);
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exit(1);
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}
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void* test_handle = dlopen( test_version, RTLD_LAZY );
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if (!test_handle) {
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fputs(dlerror(), stderr);
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exit(1);
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}
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dlerror();
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/*******************************************************************/
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*(void**)( & Base_Library_SetLcdFilter ) = dlsym(base_handle,
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"FT_Library_SetLcdFilter");
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*(void**)( & Base_Init_FreeType ) = dlsym(base_handle,
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"FT_Init_FreeType");
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*(void**)( & Base_New_Face ) = dlsym(base_handle,
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"FT_New_Face");
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*(void**)( & Base_Set_Char_Size ) = dlsym(base_handle,
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"FT_Set_Char_Size");
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*(void**)( & Base_Load_Glyph ) = dlsym(base_handle,
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"FT_Load_Glyph");
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*(void**)( & Base_Render_Glyph ) = dlsym(base_handle,
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"FT_Render_Glyph");
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*(void**)( & Base_Bitmap_Init ) = dlsym(base_handle,
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"FT_Bitmap_Init");
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*(void**)( & Base_Bitmap_Convert ) = dlsym(base_handle,
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"FT_Bitmap_Convert");
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*(void**)( & Base_Done_Face ) = dlsym(base_handle,
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"FT_Done_Face");
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*(void**)( & Base_Done_FreeType ) = dlsym(base_handle,
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"FT_Done_FreeType");
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/*******************************************************************/
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*(void**)( & Test_Library_SetLcdFilter ) = dlsym(test_handle,
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"FT_Library_SetLcdFilter");
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*(void**)( & Test_Init_FreeType ) = dlsym(test_handle,
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"FT_Init_FreeType");
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*(void**)( & Test_New_Face ) = dlsym(test_handle,
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"FT_New_Face");
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*(void**)( & Test_Set_Char_Size ) = dlsym(test_handle,
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"FT_Set_Char_Size");
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*(void**)( & Test_Load_Glyph ) = dlsym(test_handle,
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"FT_Load_Glyph");
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*(void**)( & Test_Render_Glyph ) = dlsym(test_handle,
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"FT_Render_Glyph");
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*(void**)( & Test_Bitmap_Init ) = dlsym(test_handle,
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"FT_Bitmap_Init");
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*(void**)( & Test_Bitmap_Convert ) = dlsym(test_handle,
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"FT_Bitmap_Convert");
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*(void**)( & Test_Done_Face ) = dlsym(test_handle,
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"FT_Done_Face");
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*(void**)( & Test_Done_FreeType ) = dlsym(test_handle,
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"FT_Done_FreeType");
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/*******************************************************************/
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switch ( render_mode ) {
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case 0: render_flag = FT_RENDER_MODE_MONO;
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load_flag = FT_LOAD_MONOCHROME;
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target_flag = FT_LOAD_TARGET_MONO;
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break;
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case 1: render_flag = FT_RENDER_MODE_NORMAL;
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load_flag = FT_LOAD_DEFAULT;
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target_flag = FT_LOAD_TARGET_NORMAL;
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break;
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case 2: render_flag = FT_RENDER_MODE_LCD;
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load_flag = FT_LOAD_DEFAULT;
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target_flag = FT_LOAD_TARGET_LCD;
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break;
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case 3: render_flag = FT_RENDER_MODE_LCD;
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load_flag = FT_LOAD_DEFAULT;
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target_flag = FT_LOAD_TARGET_LCD;
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break;
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case 4: render_flag = FT_RENDER_MODE_LCD_V;
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load_flag = FT_LOAD_DEFAULT;
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target_flag = FT_LOAD_TARGET_LCD_V;
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break;
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case 5: render_flag = FT_RENDER_MODE_LCD_V;
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load_flag = FT_LOAD_DEFAULT;
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target_flag = FT_LOAD_TARGET_LCD_V;
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break;
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default:render_flag = FT_RENDER_MODE_NORMAL;
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load_flag = FT_LOAD_DEFAULT;
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target_flag = FT_LOAD_TARGET_NORMAL;
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}
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error = Base_Init_FreeType( &base_library );
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if(error){
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printf("Error while initialising library\n");
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exit(1);
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}
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error = Test_Init_FreeType( &test_library );
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if(error){
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printf("Error while initialising library\n");
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exit(1);
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}
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if (render_mode > 1 )
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{
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error = Base_Library_SetLcdFilter( base_library,
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FT_LCD_FILTER_DEFAULT );
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if(error){
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printf("Error while setting LCD filter\n");
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exit(1);
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}
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error = Test_Library_SetLcdFilter( test_library,
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FT_LCD_FILTER_DEFAULT );
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if(error){
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printf("Error while setting LCD filter\n");
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exit(1);
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}
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}
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error = Base_New_Face( base_library,
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font_file,
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0,
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&base_face );
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if(error){
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printf("Error loading new face\n");
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exit(1);
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}
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error = Test_New_Face( test_library,
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font_file,
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0,
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&test_face );
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if(error){
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printf("Error loading new face\n");
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exit(1);
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}
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error = Base_Set_Char_Size( base_face,
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size * 64,
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0,
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DPI,
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0 );
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if(error){
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printf("Error setting character size\n");
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exit(1);
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}
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error = Test_Set_Char_Size( test_face,
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size * 64,
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0,
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DPI,
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0 );
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if(error){
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printf("Error setting character size\n");
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exit(1);
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}
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base_slot = base_face->glyph;
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test_slot = test_face->glyph;
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struct stat st = {0};
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if (stat("./images/", &st) == -1) {
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mkdir("./images/", 0777);
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}
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// Need to write code to check the values in FT_Face and compare
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for (int i = 0; i < base_face->num_glyphs; ++i)
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{
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error = Base_Load_Glyph( base_face,
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i,
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load_flag | target_flag);
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if(error){
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printf("Error loading glyph\n");
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exit(1);
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}
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error = Test_Load_Glyph( test_face,
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i,
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load_flag | target_flag);
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if(error){
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printf("Error loading glyph\n");
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exit(1);
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}
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error = Base_Render_Glyph( base_slot,
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render_flag);
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if(error){
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printf("Error rendering the glyph\n");
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exit(1);
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}
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error = Test_Render_Glyph( test_slot,
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render_flag);
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if(error){
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printf("Error rendering the glyph\n");
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exit(1);
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}
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base_bitmap = &base_slot->bitmap;
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test_bitmap = &test_slot->bitmap;
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// Need to write code to check the values in FT_Bitmap and compare
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if (base_bitmap->width == 0 || base_bitmap->rows == 0)
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{
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continue;
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}
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// Mono rendering not working right now, will put it today
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// Base_Bitmap_Init( &base_target );
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// Test_Bitmap_Init( &test_target );
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// error = Base_Bitmap_Convert( base_library,
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// base_bitmap,
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// &base_target,
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// alignment);
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// if(error){
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// printf("Error converting the bitmap\n");
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// exit(1);
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// }
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// error = Test_Bitmap_Convert( test_library,
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// test_bitmap,
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// &test_target,
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// alignment);
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// if(error){
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// printf("Error converting the bitmap\n");
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// exit(1);
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// }
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sprintf( output_file_name, "./images/sprite_%d", i );
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if (render_mode == 0)
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{
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Make_PNG( &base_target, &base_png, i, render_mode );
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Make_PNG( &test_target, &test_png, i, render_mode );
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// Will be added
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// Add_effect( &base_png, &test_png, &after_effect_1, 1);
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// Add_effect( &base_png, &test_png, &after_effect_2, 2);
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Stitch( &base_png, &test_png, &output);
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Generate_PNG ( &output, output_file_name, render_mode );
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}else{
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Make_PNG( base_bitmap, &base_png, i, render_mode );
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Make_PNG( test_bitmap, &test_png, i, render_mode );
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// Will be added
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// Add_effect( &base_png, &test_png, &after_effect_1, 1);
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// Add_effect( &base_png, &test_png, &after_effect_2, 2);
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Stitch( &base_png, &test_png, &output);
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Generate_PNG ( &output, output_file_name, render_mode );
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}
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}
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error = Base_Done_Face(base_face);
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if(error){
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printf("Error freeing the face object");
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exit(1);
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}
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error = Test_Done_Face(test_face);
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if(error){
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printf("Error freeing the face object");
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exit(1);
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}
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error = Base_Done_FreeType(base_library);
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if(error){
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printf("Error freeing library");
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exit(1);
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}
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error = Test_Done_FreeType(test_library);
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if(error){
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printf("Error freeing library");
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exit(1);
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}
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dlclose(base_handle);
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dlclose(test_handle);
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return 0;
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}
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|
@ -4,21 +4,26 @@ SHELL = /bin/sh
|
|||
|
||||
SRC_HASH = hash_to_file.c bitmap.c murmur3.c
|
||||
SRC_PNG = make_png.c bitmap.c murmur3.c
|
||||
SRC_SPRITE = make_sprite.c bitmap.c murmur3.c
|
||||
|
||||
SRC_LIB = ../../objs/libfreetype.a
|
||||
OBJS = $(src:.c=.o)
|
||||
|
||||
CFLAGS = -Wall -g
|
||||
CC = gcc
|
||||
INCLUDE = -I ../../include/
|
||||
LIBS = -lpng -lharfbuzz -lbz2
|
||||
LIBS = -lpng -lharfbuzz -lbz2 -ldl
|
||||
|
||||
DPI = 72
|
||||
|
||||
all: png hash
|
||||
all: png hash sprite
|
||||
|
||||
png:$(SRC_PNG)
|
||||
$(CC) $(CFLAGS) $(INCLUDE) -DDPI=$(DPI) -o $@ $(SRC_PNG) $(SRC_LIB) $(OBJS) $(LIBS)
|
||||
|
||||
sprite:$(SRC_PNG)
|
||||
$(CC) $(CFLAGS) $(INCLUDE) -DDPI=$(DPI) -o $@ $(SRC_SPRITE) $(SRC_LIB) $(OBJS) $(LIBS)
|
||||
|
||||
hash:$(SRC_HASH)
|
||||
$(CC) $(CFLAGS) $(INCLUDE) -DDPI=$(DPI) -o $@ $(SRC_HASH) $(SRC_LIB) $(OBJS) $(LIBS)
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue