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texturec: Fixed SDF generation.

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Branimir Karadžić
2018-11-01 18:06:19 -07:00
parent f2d5b4651a
commit 084e14e301
3 changed files with 11 additions and 26 deletions
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7
src/image_encode.cpp
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@@ -368,7 +368,7 @@ namespace bimg
BX_FREE(_allocator, gy);
}
void imageMakeDist(bx::AllocatorI* _allocator, void* _dst, uint32_t _width, uint32_t _height, uint32_t _srcPitch, float _edge, const void* _src)
void imageMakeDist(bx::AllocatorI* _allocator, void* _dst, uint32_t _width, uint32_t _height, uint32_t _srcPitch, const void* _src)
{
const uint32_t numPixels = _width*_height;
@@ -399,12 +399,9 @@ namespace bimg
uint8_t* dst = (uint8_t*)_dst;
double edgeOffset = _edge*0.5;
double invEdge = 1.0/_edge;
for (uint32_t ii = 0; ii < numPixels; ++ii)
{
double dist = bx::clamp( ( (outside[ii] - inside[ii])+edgeOffset) * invEdge, 0.0, 1.0);
double dist = bx::clamp( (outside[ii] - inside[ii]) * 1.0/16.0 + 0.5, 0.0, 1.0);
dst[ii] = 255-uint8_t(dist * 255.0);
}