Method RenderMouseCursor

tutorials/common/imgui/imgui.cpp:3366–3389

}

void ImGui::RenderMouseCursor(ImVec2 base_pos, float base_scale, ImGuiMouseCursor mouse_cursor, ImU32 col_fill, ImU32 col_border, ImU32 col_shadow)
{
    ImGuiContext& g = *GImGui;
    IM_ASSERT(mouse_cursor > ImGuiMouseCursor_None && mouse_cursor < ImGuiMouseCursor_COUNT);
    for (int n = 0; n < g.Viewports.Size; n++)
    {
        ImGuiViewportP* viewport = g.Viewports[n];
        ImDrawList* draw_list = GetForegroundDrawList(viewport);
        ImFontAtlas* font_atlas = draw_list->_Data->Font->ContainerAtlas;
        ImVec2 offset, size, uv[4];
        if (font_atlas->GetMouseCursorTexData(mouse_cursor, &offset, &size, &uv[0], &uv[2]))
        {
            const ImVec2 pos = base_pos - offset;
            const float scale = base_scale;
            ImTextureID tex_id = font_atlas->TexID;
            draw_list->PushTextureID(tex_id);
            draw_list->AddImage(tex_id, pos + ImVec2(1, 0) * scale, pos + (ImVec2(1, 0) + size) * scale, uv[2], uv[3], col_shadow);
            draw_list->AddImage(tex_id, pos + ImVec2(2, 0) * scale, pos + (ImVec2(2, 0) + size) * scale, uv[2], uv[3], col_shadow);
            draw_list->AddImage(tex_id, pos,                        pos + size * scale,                  uv[2], uv[3], col_border);
            draw_list->AddImage(tex_id, pos,                        pos + size * scale,                  uv[0], uv[1], col_fill);
            draw_list->PopTextureID();
        }
    }
}


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