Route stroke pad planning through helper

src/canvas.cpp

@@ -95,21 +95,6 @@ pp::renderer::Extent2D canvas_stroke_extent(int width, int height) noexcept
     };
 }
 
-pp::paint_renderer::CanvasStrokeBox canvas_stroke_box(glm::vec4 box) noexcept
-{
-    return pp::paint_renderer::CanvasStrokeBox {
-        .min_x = box.x,
-        .min_y = box.y,
-        .max_x = box.z,
-        .max_y = box.w,
-    };
-}
-
-glm::vec4 glm_box(pp::paint_renderer::CanvasStrokeBox box) noexcept
-{
-    return glm::vec4(box.min_x, box.min_y, box.max_x, box.max_y);
-}
-
 pp::paint_renderer::CanvasBlendGatePlan draw_merge_blend_gate_plan(
     int width,
     int height,
@@ -822,10 +807,10 @@ void Canvas::stroke_draw()
     {
         if (!box_dirty[i])
             continue;
-        const auto pad_region = pp::paint_renderer::plan_canvas_stroke_pad_region(
-            pp::paint_renderer::CanvasStrokePadRegionRequest {
+        const auto pad_region = pp::panopainter::plan_legacy_canvas_stroke_pad_region(
+            pp::panopainter::LegacyCanvasStrokePadRegionRequest {
                 .extent = stroke_extent,
-                .pass_dirty_box = canvas_stroke_box(box_face[i]),
+                .pass_dirty_box = box_face[i],
             });
         if (!pad_region.has_pixels)
             continue;