summaryrefslogtreecommitdiff
path: root/thirdparty/misc/stb_rect_pack.h
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparty/misc/stb_rect_pack.h')
-rw-r--r--thirdparty/misc/stb_rect_pack.h35
1 files changed, 15 insertions, 20 deletions
diff --git a/thirdparty/misc/stb_rect_pack.h b/thirdparty/misc/stb_rect_pack.h
index 5c848de0e7..6a633ce666 100644
--- a/thirdparty/misc/stb_rect_pack.h
+++ b/thirdparty/misc/stb_rect_pack.h
@@ -1,9 +1,15 @@
-// stb_rect_pack.h - v1.00 - public domain - rectangle packing
+// stb_rect_pack.h - v1.01 - public domain - rectangle packing
// Sean Barrett 2014
//
// Useful for e.g. packing rectangular textures into an atlas.
// Does not do rotation.
//
+// Before #including,
+//
+// #define STB_RECT_PACK_IMPLEMENTATION
+//
+// in the file that you want to have the implementation.
+//
// Not necessarily the awesomest packing method, but better than
// the totally naive one in stb_truetype (which is primarily what
// this is meant to replace).
@@ -35,6 +41,7 @@
//
// Version history:
//
+// 1.01 (2021-07-11) always use large rect mode, expose STBRP__MAXVAL in public section
// 1.00 (2019-02-25) avoid small space waste; gracefully fail too-wide rectangles
// 0.99 (2019-02-07) warning fixes
// 0.11 (2017-03-03) return packing success/fail result
@@ -75,11 +82,10 @@ typedef struct stbrp_context stbrp_context;
typedef struct stbrp_node stbrp_node;
typedef struct stbrp_rect stbrp_rect;
-#ifdef STBRP_LARGE_RECTS
typedef int stbrp_coord;
-#else
-typedef unsigned short stbrp_coord;
-#endif
+
+#define STBRP__MAXVAL 0x7fffffff
+// Mostly for internal use, but this is the maximum supported coordinate value.
STBRP_DEF int stbrp_pack_rects (stbrp_context *context, stbrp_rect *rects, int num_rects);
// Assign packed locations to rectangles. The rectangles are of type
@@ -209,8 +215,10 @@ struct stbrp_context
#ifdef _MSC_VER
#define STBRP__NOTUSED(v) (void)(v)
+#define STBRP__CDECL __cdecl
#else
#define STBRP__NOTUSED(v) (void)sizeof(v)
+#define STBRP__CDECL
#endif
enum
@@ -253,9 +261,6 @@ STBRP_DEF void stbrp_setup_allow_out_of_mem(stbrp_context *context, int allow_ou
STBRP_DEF void stbrp_init_target(stbrp_context *context, int width, int height, stbrp_node *nodes, int num_nodes)
{
int i;
-#ifndef STBRP_LARGE_RECTS
- STBRP_ASSERT(width <= 0xffff && height <= 0xffff);
-#endif
for (i=0; i < num_nodes-1; ++i)
nodes[i].next = &nodes[i+1];
@@ -274,11 +279,7 @@ STBRP_DEF void stbrp_init_target(stbrp_context *context, int width, int height,
context->extra[0].y = 0;
context->extra[0].next = &context->extra[1];
context->extra[1].x = (stbrp_coord) width;
-#ifdef STBRP_LARGE_RECTS
context->extra[1].y = (1<<30);
-#else
- context->extra[1].y = 65535;
-#endif
context->extra[1].next = NULL;
}
@@ -520,7 +521,7 @@ static stbrp__findresult stbrp__skyline_pack_rectangle(stbrp_context *context, i
return res;
}
-static int rect_height_compare(const void *a, const void *b)
+static int STBRP__CDECL rect_height_compare(const void *a, const void *b)
{
const stbrp_rect *p = (const stbrp_rect *) a;
const stbrp_rect *q = (const stbrp_rect *) b;
@@ -531,19 +532,13 @@ static int rect_height_compare(const void *a, const void *b)
return (p->w > q->w) ? -1 : (p->w < q->w);
}
-static int rect_original_order(const void *a, const void *b)
+static int STBRP__CDECL rect_original_order(const void *a, const void *b)
{
const stbrp_rect *p = (const stbrp_rect *) a;
const stbrp_rect *q = (const stbrp_rect *) b;
return (p->was_packed < q->was_packed) ? -1 : (p->was_packed > q->was_packed);
}
-#ifdef STBRP_LARGE_RECTS
-#define STBRP__MAXVAL 0xffffffff
-#else
-#define STBRP__MAXVAL 0xffff
-#endif
-
STBRP_DEF int stbrp_pack_rects(stbrp_context *context, stbrp_rect *rects, int num_rects)
{
int i, all_rects_packed = 1;