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stb_rect_pack.h update to 0.08

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ocornut 2015-12-16 11:14:49 +00:00
parent 0b10bec71f
commit 21f0d64a74
2 changed files with 35 additions and 8 deletions
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42
stb_rect_pack.h
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@ -1,4 +1,4 @@
// stb_rect_pack.h - v0.05 - public domain - rectangle packing
// stb_rect_pack.h - v0.08 - public domain - rectangle packing
// Sean Barrett 2014
//
// Useful for e.g. packing rectangular textures into an atlas.
@ -13,6 +13,7 @@
// More docs to come.
//
// No memory allocations; uses qsort() and assert() from stdlib.
// Can override those by defining STBRP_SORT and STBRP_ASSERT.
//
// This library currently uses the Skyline Bottom-Left algorithm.
//
@ -20,11 +21,29 @@
// implement them to the same API, but with a different init
// function.
//
// Credits
//
// Library
// Sean Barrett
// Minor features
// Martins Mozeiko
// Bugfixes / warning fixes
// Jeremy Jaussaud
//
// Version history:
//
// 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
// 0.05: added STBRP_ASSERT to allow replacing assert
// 0.04: fixed minor bug in STBRP_LARGE_RECTS support
// 0.01: initial release
//
// LICENSE
//
// This software is in the public domain. Where that dedication is not
// recognized, you are granted a perpetual, irrevocable license to copy,
// distribute, and modify this file as you see fit.
//////////////////////////////////////////////////////////////////////////////
//
@ -169,7 +188,10 @@ struct stbrp_context
//
#ifdef STB_RECT_PACK_IMPLEMENTATION
#ifndef STBRP_SORT
#include <stdlib.h>
#define STBRP_SORT qsort
#endif
#ifndef STBRP_ASSERT
#include <assert.h>
@ -525,20 +547,24 @@ STBRP_DEF void stbrp_pack_rects(stbrp_context *context, stbrp_rect *rects, int n
}
// sort according to heuristic
qsort(rects, num_rects, sizeof(rects[0]), rect_height_compare);
STBRP_SORT(rects, num_rects, sizeof(rects[0]), rect_height_compare);
for (i=0; i < num_rects; ++i) {
stbrp__findresult fr = stbrp__skyline_pack_rectangle(context, rects[i].w, rects[i].h);
if (fr.prev_link) {
rects[i].x = (stbrp_coord) fr.x;
rects[i].y = (stbrp_coord) fr.y;
if (rects[i].w == 0 || rects[i].h == 0) {
rects[i].x = rects[i].y = 0; // empty rect needs no space
} else {
rects[i].x = rects[i].y = STBRP__MAXVAL;
stbrp__findresult fr = stbrp__skyline_pack_rectangle(context, rects[i].w, rects[i].h);
if (fr.prev_link) {
rects[i].x = (stbrp_coord) fr.x;
rects[i].y = (stbrp_coord) fr.y;
} else {
rects[i].x = rects[i].y = STBRP__MAXVAL;
}
}
}
// unsort
qsort(rects, num_rects, sizeof(rects[0]), rect_original_order);
STBRP_SORT(rects, num_rects, sizeof(rects[0]), rect_original_order);
// set was_packed flags
for (i=0; i < num_rects; ++i)

1
stb_textedit.h
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@ -1,5 +1,6 @@
// [ImGui] this is a slightly modified version of stb_truetype.h 1.4
// [ImGui] we made a fix for using the END key on multi-line text edit, see https://github.com/ocornut/imgui/issues/275
// [ImGui] we made a fix for using keyboard while using mouse, see https://github.com/nothings/stb/pull/209
// stb_textedit.h - v1.4 - public domain - Sean Barrett
// Development of this library was sponsored by RAD Game Tools