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imgui_freetype: fixed a packing issue which in some occurrences would prevent large amount of glyphs from being packed correctly. (#5788, #5829)
This seemingly innocuous change sursingly had very large side-effects of completly breaking packing for the test font mentioned in above issue. Not even sure why tbh. New code matches what stb_truetype's stbtt_PackBegin() does.
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@ -67,6 +67,8 @@ Other changes:
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- Misc: added GetItemID() in public API. It is not often expected that you would use this,
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but it is useful for Shortcut() and upcoming owner-aware input functions which wants to
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be implemented with public API.
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- Fonts: imgui_freetype: fixed a packing issue which in some occurrences would prevent large
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amount of glyphs from being packed correctly. (#5788, #5829)
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- Fonts: added a 'void* UserData' field in ImFontAtlas, as a convenience for use by
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applications using multiple font atlases.
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- Demo: added "Inputs->Shortcut Routing" section.
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@ -6,6 +6,7 @@
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// CHANGELOG
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// (minor and older changes stripped away, please see git history for details)
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// 2023/01/04: fixed a packing issue which in some occurrences would prevent large amount of glyphs from being packed correctly.
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// 2021/08/23: fixed crash when FT_Render_Glyph() fails to render a glyph and returns NULL.
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// 2021/03/05: added ImGuiFreeTypeBuilderFlags_Bitmap to load bitmap glyphs.
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// 2021/03/02: set 'atlas->TexPixelsUseColors = true' to help some backends with deciding of a prefered texture format.
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@ -586,7 +587,7 @@ bool ImFontAtlasBuildWithFreeTypeEx(FT_Library ft_library, ImFontAtlas* atlas, u
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ImVector<stbrp_node> pack_nodes;
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pack_nodes.resize(num_nodes_for_packing_algorithm);
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stbrp_context pack_context;
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stbrp_init_target(&pack_context, atlas->TexWidth, TEX_HEIGHT_MAX, pack_nodes.Data, pack_nodes.Size);
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stbrp_init_target(&pack_context, atlas->TexWidth - atlas->TexGlyphPadding, TEX_HEIGHT_MAX - atlas->TexGlyphPadding, pack_nodes.Data, pack_nodes.Size);
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ImFontAtlasBuildPackCustomRects(atlas, &pack_context);
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// 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point.
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