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ImFontAtlas: Added TexDesiredWidth and tweaked default cheapo best-width choice(#327)

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ocornut 2015-09-11 16:50:00 +01:00
parent bc8eb5e9cf
commit 0abe668221
3 changed files with 6 additions and 6 deletions
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4
imgui_draw.cpp
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@ -954,7 +954,7 @@ ImFontAtlas::ImFontAtlas()
TexID = NULL;
TexPixelsAlpha8 = NULL;
TexPixelsRGBA32 = NULL;
TexWidth = TexHeight = 0;
TexWidth = TexHeight = TexDesiredWidth = 0;
TexUvWhitePixel = ImVec2(0, 0);
}
@ -1195,7 +1195,7 @@ bool ImFontAtlas::Build()
}
// Start packing
TexWidth = (total_glyph_count > 1000) ? 1024 : 512; // Width doesn't actually matters.
TexWidth = (TexDesiredWidth > 0) ? TexDesiredWidth : (total_glyph_count > 2000) ? 2048 : (total_glyph_count > 1000) ? 1024 : 512; // Width doesn't actually matters much but some API/GPU have texture size limitations, and increasing width can decrease height.
TexHeight = 0;
const int max_tex_height = 1024*32;
stbtt_pack_context spc;