Merge branch 'master' into working

stb.h

@@ -11205,7 +11205,7 @@ int  stb_arith_decode_byte(stb_arith *a)
 //                         Threads
 //
 
-#ifndef WIN32
+#ifndef _WIN32
 #ifdef STB_THREADS
 #error "threads not implemented except for Windows"
 #endif

stb_image.h

@@ -201,10 +201,11 @@
     Janez Zemva             John Bartholomew   Michal Cichon      svdijk@github
     Jonathan Blow           Ken Hamada         Tero Hanninen      Baldur Karlsson
     Laurent Gomila          Cort Stratton      Sergio Gonzalez    romigrou@github
-    Aruelien Pocheville     Thibault Reuille   Cass Everitt
+    Aruelien Pocheville     Thibault Reuille   Cass Everitt       
     Ryamond Barbiero        Paul Du Bois       Engin Manap
+    Michaelangel007@github  Oriol Ferrer Mesia
     Blazej Dariusz Roszkowski
-    Michaelangel007@github
+    Oriol Ferrer Mesia
 
 
 LICENSE
@@ -3425,10 +3426,13 @@ static stbi_uc *load_jpeg_image(stbi__jpeg *z, int *out_x, int *out_y, int *comp
 
 static unsigned char *stbi__jpeg_load(stbi__context *s, int *x, int *y, int *comp, int req_comp)
 {
-   stbi__jpeg j;
-   j.s = s;
-   stbi__setup_jpeg(&j);
-   return load_jpeg_image(&j, x,y,comp,req_comp);
+   unsigned char* result;
+   stbi__jpeg* j = (stbi__jpeg*) stbi__malloc(sizeof(stbi__jpeg));
+   j->s = s;
+   stbi__setup_jpeg(j);
+   result = load_jpeg_image(j, x,y,comp,req_comp);
+   STBI_FREE(j);
+   return result;
 }
 
 static int stbi__jpeg_test(stbi__context *s)
@@ -3456,9 +3460,12 @@ static int stbi__jpeg_info_raw(stbi__jpeg *j, int *x, int *y, int *comp)
 
 static int stbi__jpeg_info(stbi__context *s, int *x, int *y, int *comp)
 {
-   stbi__jpeg j;
-   j.s = s;
-   return stbi__jpeg_info_raw(&j, x, y, comp);
+   int result;
+   stbi__jpeg* j = (stbi__jpeg*) (stbi__malloc(sizeof(stbi__jpeg)));
+   j->s = s;
+   result = stbi__jpeg_info_raw(j, x, y, comp);
+   STBI_FREE(j);
+   return result;
 }
 #endif
 
@@ -3749,7 +3756,7 @@ static int stbi__compute_huffman_codes(stbi__zbuf *a)
    return 1;
 }
 
-static int stbi__parse_uncomperssed_block(stbi__zbuf *a)
+static int stbi__parse_uncompressed_block(stbi__zbuf *a)
 {
    stbi_uc header[4];
    int len,nlen,k;
@@ -3815,7 +3822,7 @@ static int stbi__parse_zlib(stbi__zbuf *a, int parse_header)
       final = stbi__zreceive(a,1);
       type = stbi__zreceive(a,2);
       if (type == 0) {
-         if (!stbi__parse_uncomperssed_block(a)) return 0;
+         if (!stbi__parse_uncompressed_block(a)) return 0;
       } else if (type == 3) {
          return 0;
       } else {
@@ -5447,6 +5454,21 @@ static stbi_uc *stbi__psd_load(stbi__context *s, int *x, int *y, int *comp, int
       }
    }
 
+   if (channelCount >= 3) {
+      for (i=0; i < w*h; ++i) {
+         unsigned char *pixel = out + 4*i;
+         if (pixel[3] != 0 && pixel[3] != 255) {
+            // remove weird white matte from PSD
+            float a = pixel[3] / 255.0f;
+            float ra = 1.0f / a;
+            float inv_a = 255.0f * (1 - ra);
+            pixel[0] = (unsigned char) (pixel[0]*ra + inv_a);
+            pixel[1] = (unsigned char) (pixel[1]*ra + inv_a);
+            pixel[2] = (unsigned char) (pixel[2]*ra + inv_a);
+         }
+      }
+   }
+
    if (req_comp && req_comp != 4) {
       out = stbi__convert_format(out, 4, req_comp, w, h);
       if (out == NULL) return out; // stbi__convert_format frees input on failure
@@ -5759,13 +5781,15 @@ static int stbi__gif_header(stbi__context *s, stbi__gif *g, int *comp, int is_in
 
 static int stbi__gif_info_raw(stbi__context *s, int *x, int *y, int *comp)
 {
-   stbi__gif g;
-   if (!stbi__gif_header(s, &g, comp, 1)) {
+   stbi__gif* g = (stbi__gif*) stbi__malloc(sizeof(stbi__gif));
+   if (!stbi__gif_header(s, g, comp, 1)) {
+      STBI_FREE(g);
       stbi__rewind( s );
       return 0;
    }
-   if (x) *x = g.w;
-   if (y) *y = g.h;
+   if (x) *x = g->w;
+   if (y) *y = g->h;
+   STBI_FREE(g);
    return 1;
 }
 
@@ -6018,20 +6042,20 @@ static stbi_uc *stbi__gif_load_next(stbi__context *s, stbi__gif *g, int *comp, i
 static stbi_uc *stbi__gif_load(stbi__context *s, int *x, int *y, int *comp, int req_comp)
 {
    stbi_uc *u = 0;
-   stbi__gif g;
-   memset(&g, 0, sizeof(g));
+   stbi__gif* g = (stbi__gif*) stbi__malloc(sizeof(stbi__gif));
+   memset(g, 0, sizeof(*g));
 
-   u = stbi__gif_load_next(s, &g, comp, req_comp);
+   u = stbi__gif_load_next(s, g, comp, req_comp);
    if (u == (stbi_uc *) s) u = 0;  // end of animated gif marker
    if (u) {
-      *x = g.w;
-      *y = g.h;
+      *x = g->w;
+      *y = g->h;
       if (req_comp && req_comp != 4)
-         u = stbi__convert_format(u, 4, req_comp, g.w, g.h);
+         u = stbi__convert_format(u, 4, req_comp, g->w, g->h);
    }
-   else if (g.out)
-      STBI_FREE(g.out);
-
+   else if (g->out)
+      STBI_FREE(g->out);
+   STBI_FREE(g);
    return u;
 }
 

stb_image_write.h

@@ -736,7 +736,7 @@ unsigned char * stbi_zlib_compress(unsigned char *data, int data_len, int *out_l
    unsigned int bitbuf=0;
    int i,j, bitcount=0;
    unsigned char *out = NULL;
-   unsigned char **hash_table[stbiw__ZHASH]; // 64KB on the stack!
+   unsigned char ***hash_table = (unsigned char***) STBIW_MALLOC(stbiw__ZHASH * sizeof(char**));
    if (quality < 5) quality = 5;
 
    stbiw__sbpush(out, 0x78);   // DEFLATE 32K window
@@ -808,6 +808,7 @@ unsigned char * stbi_zlib_compress(unsigned char *data, int data_len, int *out_l
 
    for (i=0; i < stbiw__ZHASH; ++i)
       (void) stbiw__sbfree(hash_table[i]);
+   STBIW_FREE(hash_table);
 
    {
       // compute adler32 on input

stb_vorbis.c

@@ -552,6 +552,9 @@ enum STBVorbisError
 #include <math.h>
 #if !(defined(__APPLE__) || defined(MACOSX) || defined(macintosh) || defined(Macintosh))
 #include <malloc.h>
+#if defined(__linux__) || defined(__linux)
+#include <alloca.h>
+#endif
 #endif
 #else // STB_VORBIS_NO_CRT
 #define NULL 0
@@ -2246,6 +2249,11 @@ static void decode_residue(vorb *f, float *residue_buffers[], int ch, int n, int
    }
   done:
    CHECK(f);
+   #ifndef STB_VORBIS_DIVIDES_IN_RESIDUE
+   temp_free(f,part_classdata);
+   #else
+   temp_free(f,classifications);
+   #endif
    temp_alloc_restore(f,temp_alloc_point);
 }
 
@@ -2891,6 +2899,7 @@ static void inverse_mdct(float *buffer, int n, vorb *f, int blocktype)
       }
    }
 
+   temp_free(f,buf2);
    temp_alloc_restore(f,save_point);
 }