Function PrimPieSliceLine

Source/3rdParty/implot/implot_items.cpp:2772–2822

}

IMPLOT_INLINE void PrimPieSliceLine(ImDrawList& draw_list, const ImVec2* points, int count, ImU32 col, float half_weight, const ImVec2& tex_uv0, const ImVec2& tex_uv1) {
    // Create a thick polyline by drawing quads between each segment
    const int segments = count - 1;

    for (int i = 0; i < segments; ++i) {
        const ImVec2& p1 = points[i];
        const ImVec2& p2 = points[i + 1];

        // Calculate perpendicular vector for line thickness (same as PrimLine)
        float dx = p2.x - p1.x;
        float dy = p2.y - p1.y;
        IMPLOT_NORMALIZE2F_OVER_ZERO(dx, dy);
        dx *= half_weight;
        dy *= half_weight;

        // Four vertices for the quad (same layout as PrimLine)
        draw_list._VtxWritePtr[0].pos.x = p1.x + dy;
        draw_list._VtxWritePtr[0].pos.y = p1.y - dx;
        draw_list._VtxWritePtr[0].uv = tex_uv0;
        draw_list._VtxWritePtr[0].col = col;

        draw_list._VtxWritePtr[1].pos.x = p2.x + dy;
        draw_list._VtxWritePtr[1].pos.y = p2.y - dx;
        draw_list._VtxWritePtr[1].uv = tex_uv0;
        draw_list._VtxWritePtr[1].col = col;

        draw_list._VtxWritePtr[2].pos.x = p2.x - dy;
        draw_list._VtxWritePtr[2].pos.y = p2.y + dx;
        draw_list._VtxWritePtr[2].uv = tex_uv1;
        draw_list._VtxWritePtr[2].col = col;

        draw_list._VtxWritePtr[3].pos.x = p1.x - dy;
        draw_list._VtxWritePtr[3].pos.y = p1.y + dx;
        draw_list._VtxWritePtr[3].uv = tex_uv1;
        draw_list._VtxWritePtr[3].col = col;

        draw_list._VtxWritePtr += 4;

        // Two triangles for the quad
        const ImDrawIdx vtx_idx = (ImDrawIdx)(draw_list._VtxCurrentIdx);
        draw_list._IdxWritePtr[0] = vtx_idx;
        draw_list._IdxWritePtr[1] = vtx_idx + 1;
        draw_list._IdxWritePtr[2] = vtx_idx + 2;
        draw_list._IdxWritePtr[3] = vtx_idx;
        draw_list._IdxWritePtr[4] = vtx_idx + 2;
        draw_list._IdxWritePtr[5] = vtx_idx + 3;
        draw_list._IdxWritePtr += 6;

        draw_list._VtxCurrentIdx += 4;
    }
}

IMPLOT_INLINE void RenderPieSliceFill(ImDrawList& draw_list, ImVec2* buffer, int count, ImU32 col) {
    const ImVec2 uv = draw_list._Data->TexUvWhitePixel;