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patch ImGui so it supports square textures

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in the font atlas
This commit is contained in:
tildearrow 2024-07-05 18:00:02 -05:00
parent c9b2172c4f
commit 72cd745824
11 changed files with 80 additions and 7 deletions
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9
extern/imgui_patched/imgui_draw.cpp vendored
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@ -2678,6 +2678,15 @@ static bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
// 7. Allocate texture
atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(atlas->TexHeight);
atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight);
if (atlas->Flags & ImFontAtlasFlags_Square) {
if (atlas->TexWidth>atlas->TexHeight) {
atlas->TexHeight=atlas->TexWidth;
} else {
atlas->TexWidth=atlas->TexHeight;
}
}
atlas->TexPixelsAlpha8 = (unsigned char*)IM_ALLOC(atlas->TexWidth * atlas->TexHeight);
memset(atlas->TexPixelsAlpha8, 0, atlas->TexWidth * atlas->TexHeight);
spc.pixels = atlas->TexPixelsAlpha8;