Updated stb external libraries

src/external/stb_image_resize.h

@@ -1,4 +1,4 @@
-/* stb_image_resize - v0.91 - public domain image resizing
+/* stb_image_resize - v0.92 - public domain image resizing
    by Jorge L Rodriguez (@VinoBS) - 2014
    http://github.com/nothings/stb
 
@@ -154,8 +154,10 @@
 
    ADDITIONAL CONTRIBUTORS
       Sean Barrett: API design, optimizations
+      Aras Pranckevicius: bugfix
          
    REVISIONS
+      0.92 (2017-01-02) fix integer overflow on large (>2GB) images
       0.91 (2016-04-02) fix warnings; fix handling of subpixel regions
       0.90 (2014-09-17) first released version
 
@@ -1239,11 +1241,11 @@ static void stbir__decode_scanline(stbir__info* stbir_info, int n)
     int type = stbir_info->type;
     int colorspace = stbir_info->colorspace;
     int input_w = stbir_info->input_w;
-    int input_stride_bytes = stbir_info->input_stride_bytes;
+    size_t input_stride_bytes = stbir_info->input_stride_bytes;
     float* decode_buffer = stbir__get_decode_buffer(stbir_info);
     stbir_edge edge_horizontal = stbir_info->edge_horizontal;
     stbir_edge edge_vertical = stbir_info->edge_vertical;
-    int in_buffer_row_offset = stbir__edge_wrap(edge_vertical, n, stbir_info->input_h) * input_stride_bytes;
+    size_t in_buffer_row_offset = stbir__edge_wrap(edge_vertical, n, stbir_info->input_h) * input_stride_bytes;
     const void* input_data = (char *) stbir_info->input_data + in_buffer_row_offset;
     int max_x = input_w + stbir_info->horizontal_filter_pixel_margin;
     int decode = STBIR__DECODE(type, colorspace);

src/external/stb_image_write.h

@@ -1,4 +1,4 @@
-/* stb_image_write - v1.02 - public domain - http://nothings.org/stb/stb_image_write.h
+/* stb_image_write - v1.03 - public domain - http://nothings.org/stb/stb_image_write.h
    writes out PNG/BMP/TGA images to C stdio - Sean Barrett 2010-2015
                                      no warranty implied; use at your own risk
 
@@ -103,6 +103,7 @@ CREDITS:
       Jonas Karlsson
       Filip Wasil
       Thatcher Ulrich
+      github:poppolopoppo
       
 LICENSE
 
@@ -475,7 +476,6 @@ int stbi_write_tga(char const *filename, int x, int y, int comp, const void *dat
 // *************************************************************************************************
 // Radiance RGBE HDR writer
 // by Baldur Karlsson
-#ifndef STBI_WRITE_NO_STDIO
 
 #define stbiw__max(a, b)  ((a) > (b) ? (a) : (b))
 
@@ -630,6 +630,7 @@ int stbi_write_hdr_to_func(stbi_write_func *func, void *context, int x, int y, i
    return stbi_write_hdr_core(&s, x, y, comp, (float *) data);
 }
 
+#ifndef STBI_WRITE_NO_STDIO
 int stbi_write_hdr(char const *filename, int x, int y, int comp, const float *data)
 {
    stbi__write_context s;

src/external/stb_rect_pack.h

@@ -1,4 +1,4 @@
-// stb_rect_pack.h - v0.08 - public domain - rectangle packing
+// stb_rect_pack.h - v0.10 - public domain - rectangle packing
 // Sean Barrett 2014
 //
 // Useful for e.g. packing rectangular textures into an atlas.
@@ -32,6 +32,8 @@
 //
 // Version history:
 //
+//     0.10  (2016-10-25)  remove cast-away-const to avoid warnings
+//     0.09  (2016-08-27)  fix compiler warnings
 //     0.08  (2015-09-13)  really fix bug with empty rects (w=0 or h=0)
 //     0.07  (2015-09-13)  fix bug with empty rects (w=0 or h=0)
 //     0.06  (2015-04-15)  added STBRP_SORT to allow replacing qsort
@@ -148,7 +150,7 @@ enum
 {
    STBRP_HEURISTIC_Skyline_default=0,
    STBRP_HEURISTIC_Skyline_BL_sortHeight = STBRP_HEURISTIC_Skyline_default,
-   STBRP_HEURISTIC_Skyline_BF_sortHeight,
+   STBRP_HEURISTIC_Skyline_BF_sortHeight
 };
 
 
@@ -198,9 +200,15 @@ struct stbrp_context
 #define STBRP_ASSERT assert
 #endif
 
+#ifdef _MSC_VER
+#define STBRP__NOTUSED(v)  (void)(v)
+#else
+#define STBRP__NOTUSED(v)  (void)sizeof(v)
+#endif
+
 enum
 {
-   STBRP__INIT_skyline = 1,
+   STBRP__INIT_skyline = 1
 };
 
 STBRP_DEF void stbrp_setup_heuristic(stbrp_context *context, int heuristic)
@@ -273,6 +281,9 @@ static int stbrp__skyline_find_min_y(stbrp_context *c, stbrp_node *first, int x0
    stbrp_node *node = first;
    int x1 = x0 + width;
    int min_y, visited_width, waste_area;
+
+   STBRP__NOTUSED(c);
+
    STBRP_ASSERT(first->x <= x0);
 
    #if 0
@@ -500,8 +511,8 @@ static stbrp__findresult stbrp__skyline_pack_rectangle(stbrp_context *context, i
 
 static int rect_height_compare(const void *a, const void *b)
 {
-   stbrp_rect *p = (stbrp_rect *) a;
+   const stbrp_rect *p = (const stbrp_rect *) a;
-   stbrp_rect *q = (stbrp_rect *) b;
+   const stbrp_rect *q = (const stbrp_rect *) b;
    if (p->h > q->h)
       return -1;
    if (p->h < q->h)
@@ -511,8 +522,8 @@ static int rect_height_compare(const void *a, const void *b)
 
 static int rect_width_compare(const void *a, const void *b)
 {
-   stbrp_rect *p = (stbrp_rect *) a;
+   const stbrp_rect *p = (const stbrp_rect *) a;
-   stbrp_rect *q = (stbrp_rect *) b;
+   const stbrp_rect *q = (const stbrp_rect *) b;
    if (p->w > q->w)
       return -1;
    if (p->w < q->w)
@@ -522,8 +533,8 @@ static int rect_width_compare(const void *a, const void *b)
 
 static int rect_original_order(const void *a, const void *b)
 {
-   stbrp_rect *p = (stbrp_rect *) a;
+   const stbrp_rect *p = (const stbrp_rect *) a;
-   stbrp_rect *q = (stbrp_rect *) b;
+   const stbrp_rect *q = (const stbrp_rect *) b;
    return (p->was_packed < q->was_packed) ? -1 : (p->was_packed > q->was_packed);
 }