-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
structuresound
committed
Sep 25, 2016
1 parent
24ddfa2
commit 7d452bc
Showing
11 changed files
with
419 additions
and
305 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,64 +1,115 @@ | ||
| // | ||
| // Created by Leif Shackelford on 4/25/15. | ||
| // | ||
|
|
||
| #ifndef NODEKITTENX_NKFONTATLAS_H | ||
| #define NODEKITTENX_NKFONTATLAS_H | ||
| #pragma once | ||
|
|
||
| #include "texture.h" | ||
| #include "vertexBuffer.h" | ||
| #include <freetype-gl/freetype-gl.h> | ||
| #include <freetype-gl/texture-atlas.h> | ||
| #include <freetype-gl/texture-font.h> | ||
| #include <freetype-gl/utf8-utils.h> | ||
|
|
||
| class FontAtlas: public Texture { | ||
| class FontAtlas : public Texture { | ||
|
|
||
| public: | ||
|
|
||
| texture_font_t *font = nullptr; | ||
| texture_atlas_t *atlas = nullptr; | ||
|
|
||
| FontAtlas(std::string fontName, U1t fontSize = 48, I1t width = 512, I1t height = 512){ | ||
| atlas = texture_atlas_new( width, height, 1); | ||
| std::string filename = File::pathForFileNamed(fontName); | ||
|
|
||
| nkLog("load font: %s", filename); | ||
| font = texture_font_new_from_file( atlas, fontSize, filename.c_str() ); | ||
|
|
||
| const char * cache = " !\"#$%&'()*+,-./0123456789:;<=>?" | ||
| "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_" | ||
| "`abcdefghijklmnopqrstuvwxyz{|}~"; | ||
|
|
||
| texture_font_load_glyphs( font, cache ); | ||
|
|
||
| GetGLError(); | ||
|
|
||
| bytes = 1; | ||
| internal_format = format = GL_RED; | ||
| texelType = GL_UNSIGNED_BYTE; | ||
| size = width * height * bytes; | ||
| target = GL_TEXTURE_2D; | ||
| texelArray = atlas->data; | ||
| texture_font_t *font = nullptr; | ||
| texture_atlas_t *atlas = nullptr; | ||
|
|
||
| FontAtlas(std::string fontName, U1t fontSize = 48, I1t width = 512, I1t height = 512) { | ||
| atlas = texture_atlas_new(width, height, 1); | ||
|
|
||
| const char *cache = " !\"#$%&'()*+,-./0123456789:;<=>?" | ||
| "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_" | ||
| "`abcdefghijklmnopqrstuvwxyz{|}~"; | ||
|
|
||
| size_t minsize = fontSize, maxsize = fontSize; | ||
| size_t count = maxsize - minsize; | ||
| size_t i, missed = 0; | ||
|
|
||
| auto filename = File::pathForFileNamed(fontName); | ||
| nkLog("load font: %s", filename); | ||
|
|
||
| font = texture_font_new_from_file(atlas, fontSize, filename.c_str()); | ||
| missed += texture_font_load_glyphs(font, cache); | ||
| // for (i = minsize; i < maxsize; ++i) { | ||
| // texture_font_t *font = texture_font_new_from_file(atlas, i, filename.c_str()); | ||
| // missed += texture_font_load_glyphs(font, cache); | ||
| // texture_font_delete(font); | ||
| // } | ||
|
|
||
| nkLog("Matched font : %s\n", filename); | ||
| nkLog("Number of fonts : %ld\n", count); | ||
| nkLog("Number of glyphs per font : %ld\n", utf8_strlen(cache)); | ||
| nkLog("Number of missed glyphs : %ld\n", missed); | ||
| nkLog("Total number of glyphs : %ld/%ld\n", | ||
| utf8_strlen(cache) * count - missed, utf8_strlen(cache) * count); | ||
| nkLog("Texture size : %ldx%ld\n", atlas->width, atlas->height); | ||
| nkLog("Texture occupancy : %.2f%%\n", | ||
| 100.0 * atlas->used / (float) (atlas->width * atlas->height)); | ||
|
|
||
| GetGLError(); | ||
|
|
||
| // bytes = 1; | ||
| // internal_format = format = GL_RED; | ||
| // texelType = GL_UNSIGNED_BYTE; | ||
| // size = width * height * bytes; | ||
| // target = GL_TEXTURE_2D; | ||
| // texelArray = atlas->data; | ||
| // | ||
| // genGLTexture(); | ||
| // glTexImage2D(target, 0, internal_format, width, height, 0, format, texelType, texelArray); | ||
| // atlas->id = glName; | ||
| glName = upload(); | ||
|
|
||
| nkLog("gen atlas texture : %d", glName); | ||
| GetGLError(); | ||
| } | ||
|
|
||
| ~FontAtlas() { | ||
| if (atlas) { | ||
| texture_atlas_delete(atlas); | ||
| if (texelArray) { | ||
| texelArray = nullptr; // so texture doesn't double free the pointer | ||
| } | ||
| } | ||
| if (font) { | ||
| texture_font_delete(font); | ||
| } | ||
| } | ||
|
|
||
| allocate(NK_TEXTURE_CLAMP, 0, 0, 0); | ||
| nkLog("gen atlas texture : %d", glName); | ||
| int upload() { | ||
| assert(atlas->data); | ||
|
|
||
| atlas->id = glName; | ||
| GetGLError(); | ||
| if (!atlas->id) { | ||
| glGenTextures(1, &atlas->id); | ||
| } | ||
|
|
||
| ~FontAtlas(){ | ||
| if (atlas) { | ||
| texture_atlas_delete(atlas); | ||
| if (texelArray) { | ||
| texelArray = nullptr; // so texture doesn't double free the pointer | ||
| } | ||
| } | ||
| if (font) { | ||
| texture_font_delete(font); | ||
| } | ||
| glBindTexture(GL_TEXTURE_2D, atlas->id); | ||
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); | ||
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); | ||
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); | ||
| glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); | ||
| if (atlas->depth == 4) { | ||
| #ifdef GL_UNSIGNED_INT_8_8_8_8_REV | ||
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, atlas->width, atlas->height, | ||
| 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, atlas->data); | ||
| #else | ||
| glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, atlas->width, atlas->height, | ||
| 0, GL_RGBA, GL_UNSIGNED_BYTE, atlas->data ); | ||
| #endif | ||
| } else if (atlas->depth == 3) { | ||
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, atlas->width, atlas->height, | ||
| 0, GL_RGB, GL_UNSIGNED_BYTE, atlas->data); | ||
| } else { | ||
| #if defined(GL_ES_VERSION_2_0) || defined(GL_ES_VERSION_3_0) | ||
| glTexImage2D( GL_TEXTURE_2D, 0, GL_LUMINANCE, atlas->width, atlas->height, | ||
| 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, atlas->data ); | ||
| #else | ||
| glTexImage2D(GL_TEXTURE_2D, 0, GL_RED, atlas->width, atlas->height, | ||
| 0, GL_RED, GL_UNSIGNED_BYTE, atlas->data); | ||
| #endif | ||
| } | ||
| }; | ||
|
|
||
| return atlas->id; | ||
| } | ||
|
|
||
| #endif //NODEKITTENX_NKFONTATLAS_H | ||
| }; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.