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Added SDF.

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This commit is contained in:
Branimir Karadžić
2014-04-30 21:57:05 -07:00
parent 5dca5791c5
commit bc399eb317
3 changed files with 371 additions and 1 deletions
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16
examples/common/font/font_manager.cpp
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@@ -3,11 +3,21 @@
* License: http://www.opensource.org/licenses/BSD-2-Clause
*/
#define USE_EDTAA3 1
#include "../common.h"
#include <bgfx.h>
#include <freetype/freetype.h>
#include <edtaa3/edtaa3func.cpp>
#include <math.h>
#if USE_EDTAA3
# include <edtaa3/edtaa3func.cpp>
#else
# define SDF_IMPLEMENTATION
# include <sdf/sdf.h>
#endif // USE_EDTAA3
#include <wchar.h> // wcslen
#include <tinystl/allocator.h>
@@ -247,6 +257,7 @@ bool TrueTypeFont::bakeGlyphSubpixel(CodePoint _codePoint, GlyphInfo& _glyphInfo
static void makeDistanceMap(const uint8_t* _img, uint8_t* _outImg, uint32_t _width, uint32_t _height)
{
#if USE_EDTAA3
int16_t* xdist = (int16_t*)malloc(_width * _height * sizeof(int16_t) );
int16_t* ydist = (int16_t*)malloc(_width * _height * sizeof(int16_t) );
double* gx = (double*)calloc(_width * _height, sizeof(double) );
@@ -335,6 +346,9 @@ static void makeDistanceMap(const uint8_t* _img, uint8_t* _outImg, uint32_t _wid
free(data);
free(outside);
free(inside);
#else
sdfBuild(_outImg, _width, 2.0f, _img, _width, _height, _width);
#endif // USE_EDTAA3
}
bool TrueTypeFont::bakeGlyphDistance(CodePoint _codePoint, GlyphInfo& _glyphInfo, uint8_t* _outBuffer)