stb_image_write: fix jpeg to work on non-C99 compilers

ago%!(EXTRA string=5 years) · 24fdc35c90
parent 4067b6d28b
commit 24fdc35c90
1 changed files with 2 additions and 1 deletions
--- a/stb_image_write.h
+++ b/stb_image_write.h
@ -1289,8 +1289,9 @@ static int stbiw__jpg_processDU(stbi__write_context *s, int *bitBuf, int *bitCnt
   // Quantize/descale/zigzag the coefficients
   for(y = 0, j=0; y < 8; ++y) {
      for(x = 0; x < 8; ++x,++j) {
+         float v;
         i = y*du_stride+x;
-         float v = CDU[i]*fdtbl[j];
+         v = CDU[i]*fdtbl[j];
         // DU[stbiw__jpg_ZigZag[j]] = (int)(v < 0 ? ceilf(v - 0.5f) : floorf(v + 0.5f));
         // ceilf() and floorf() are C99, not C89, but I /think/ they're not needed here anyway?
         DU[stbiw__jpg_ZigZag[j]] = (int)(v < 0 ? v - 0.5f : v + 0.5f);