Function ImFontAtlasBuildInit

tutorials/common/imgui/imgui_draw.cpp:2751–2769

Note: this is called / shared by both the stb_truetype and the FreeType builder

// Note: this is called / shared by both the stb_truetype and the FreeType builder
void ImFontAtlasBuildInit(ImFontAtlas* atlas)
{
    // Register texture region for mouse cursors or standard white pixels
    if (atlas->PackIdMouseCursors < 0)
    {
        if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
            atlas->PackIdMouseCursors = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_W * 2 + 1, FONT_ATLAS_DEFAULT_TEX_DATA_H);
        else
            atlas->PackIdMouseCursors = atlas->AddCustomRectRegular(2, 2);
    }

    // Register texture region for thick lines
    // The +2 here is to give space for the end caps, whilst height +1 is to accommodate the fact we have a zero-width row
    if (atlas->PackIdLines < 0)
    {
        if (!(atlas->Flags & ImFontAtlasFlags_NoBakedLines))
            atlas->PackIdLines = atlas->AddCustomRectRegular(IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 2, IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1);
    }
}

// This is called/shared by both the stb_truetype and the FreeType builder.
void ImFontAtlasBuildFinish(ImFontAtlas* atlas)