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Rebased imstb_rectpack on stb_rect_pack v1.00.
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@ -46,6 +46,8 @@ Other Changes:
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- Backends: Vulkan: Added support for specifying multisample count.
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Set ImGui_ImplVulkan_InitInfo::MSAASamples to one of the VkSampleCountFlagBits values
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to use, default is non-multisampled as before. (#2705, #2706) [@vilya]
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- Misc: Updated stb_rect_pack from 0.99 to 1.00 (fixes by @rygorous: off-by-1 bug in best-fit heuristic,
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fix handling of rectangles too large to fit inside texture). (#2762) [@tido64]
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-----------------------------------------------------------------------
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@ -1,10 +1,10 @@
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// [DEAR IMGUI]
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// This is a slightly modified version of stb_rect_pack.h 0.99.
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// [DEAR IMGUI]
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// This is a slightly modified version of stb_rect_pack.h 1.00.
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// Those changes would need to be pushed into nothings/stb:
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// - Added STBRP__CDECL
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// Grep for [DEAR IMGUI] to find the changes.
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// stb_rect_pack.h - v0.99 - public domain - rectangle packing
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// stb_rect_pack.h - v1.00 - public domain - rectangle packing
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// Sean Barrett 2014
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//
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// Useful for e.g. packing rectangular textures into an atlas.
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@ -37,9 +37,11 @@
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//
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// Bugfixes / warning fixes
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// Jeremy Jaussaud
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// Fabian Giesen
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//
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// Version history:
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//
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// 1.00 (2019-02-25) avoid small space waste; gracefully fail too-wide rectangles
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// 0.99 (2019-02-07) warning fixes
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// 0.11 (2017-03-03) return packing success/fail result
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// 0.10 (2016-10-25) remove cast-away-const to avoid warnings
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@ -357,6 +359,13 @@ static stbrp__findresult stbrp__skyline_find_best_pos(stbrp_context *c, int widt
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width -= width % c->align;
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STBRP_ASSERT(width % c->align == 0);
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// if it can't possibly fit, bail immediately
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if (width > c->width || height > c->height) {
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fr.prev_link = NULL;
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fr.x = fr.y = 0;
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return fr;
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}
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node = c->active_head;
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prev = &c->active_head;
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while (node->x + width <= c->width) {
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@ -420,7 +429,7 @@ static stbrp__findresult stbrp__skyline_find_best_pos(stbrp_context *c, int widt
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}
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STBRP_ASSERT(node->next->x > xpos && node->x <= xpos);
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y = stbrp__skyline_find_min_y(c, node, xpos, width, &waste);
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if (y + height < c->height) {
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if (y + height <= c->height) {
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if (y <= best_y) {
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if (y < best_y || waste < best_waste || (waste==best_waste && xpos < best_x)) {
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best_x = xpos;
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