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ImFontAtlas: Refactored internals API to 1) avoid building lookup table multiple times for merged fonts + 2) allow the mapping of custom icons inside fonts (wip, uncommited)
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2170b0b278
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@ -1539,7 +1539,6 @@ bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
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dst_font->AddGlyph((ImWchar)codepoint, q.x0 + off_x, q.y0 + off_y, q.x1 + off_x, q.y1 + off_y, q.s0, q.t0, q.s1, q.t1, pc.xadvance);
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}
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}
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cfg.DstFont->BuildLookupTable();
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}
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// Cleanup temporaries
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@ -1547,8 +1546,7 @@ bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
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ImGui::MemFree(buf_ranges);
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ImGui::MemFree(tmp_array);
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// Render into our custom data block
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ImFontAtlasBuildRenderDefaultTexData(atlas);
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ImFontAtlasBuildFinish(atlas);
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return true;
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}
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@ -1600,7 +1598,7 @@ void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* pack_context_opaq
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}
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}
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void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
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static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
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{
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ImFontAtlas::CustomRect& r = atlas->CustomRects[0];
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IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
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@ -1650,6 +1648,16 @@ void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
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}
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}
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void ImFontAtlasBuildFinish(ImFontAtlas* atlas)
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{
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// Render into our custom data block
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ImFontAtlasBuildRenderDefaultTexData(atlas);
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// Build all fonts lookup tables
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for (int i = 0; i < atlas->Fonts.Size; i++)
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atlas->Fonts[i]->BuildLookupTable();
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}
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// Retrieve list of range (2 int per range, values are inclusive)
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const ImWchar* ImFontAtlas::GetGlyphRangesDefault()
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{
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@ -849,7 +849,7 @@ IMGUI_API bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas);
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IMGUI_API void ImFontAtlasBuildRegisterDefaultCustomRects(ImFontAtlas* atlas);
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IMGUI_API void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent);
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IMGUI_API void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* spc);
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IMGUI_API void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas);
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IMGUI_API void ImFontAtlasBuildFinish(ImFontAtlas* atlas);
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IMGUI_API void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_multiply_factor);
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IMGUI_API void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride);
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