diff options
Diffstat (limited to 'src/tools/dilate.cpp')
| -rw-r--r-- | src/tools/dilate.cpp | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/tools/dilate.cpp b/src/tools/dilate.cpp index b1b60ac3..ef862270 100644 --- a/src/tools/dilate.cpp +++ b/src/tools/dilate.cpp @@ -14,7 +14,7 @@ static void Dilate(int w, int h, CPixel *pSrc, CPixel *pDest) int ix, iy; const int xo[] = {0, -1, 1, 0}; const int yo[] = {-1, 0, 0, 1}; - + int m = 0; for(int y = 0; y < h; y++) { @@ -23,7 +23,7 @@ static void Dilate(int w, int h, CPixel *pSrc, CPixel *pDest) pDest[m] = pSrc[m]; if(pSrc[m].a) continue; - + for(int c = 0; c < 4; c++) { ix = clamp(x + xo[c], 0, w-1); @@ -52,38 +52,38 @@ int main(int argc, char **argv) { png_t Png; CPixel *pBuffer[3] = {0,0,0}; - + png_init(0, 0); png_open_file(&Png, argv[1]); - + if(Png.color_type != PNG_TRUECOLOR_ALPHA) { dbg_msg("dilate", "not an RGBA image"); return -1; } - + pBuffer[0] = (CPixel*)mem_alloc(Png.width*Png.height*sizeof(CPixel), 1); pBuffer[1] = (CPixel*)mem_alloc(Png.width*Png.height*sizeof(CPixel), 1); pBuffer[2] = (CPixel*)mem_alloc(Png.width*Png.height*sizeof(CPixel), 1); png_get_data(&Png, (unsigned char *)pBuffer[0]); png_close_file(&Png); - + int w = Png.width; int h = Png.height; - + Dilate(w, h, pBuffer[0], pBuffer[1]); for(int i = 0; i < 5; i++) { Dilate(w, h, pBuffer[1], pBuffer[2]); Dilate(w, h, pBuffer[2], pBuffer[1]); } - + CopyAlpha(w, h, pBuffer[0], pBuffer[1]); - + // save here png_open_file_write(&Png, argv[1]); png_set_data(&Png, w, h, 8, PNG_TRUECOLOR_ALPHA, (unsigned char *)pBuffer[1]); png_close_file(&Png); - + return 0; } |