From c0c0106cf47fdff397756913b8646541f3bb9928 Mon Sep 17 00:00:00 2001
From: Yuqian Yang <crupest@crupest.life>
Date: Thu, 11 Dec 2025 23:51:58 +0800
Subject: Add paint invalid area.

---
 src/ui/render/BorderRenderObject.cpp | 47 ++++++++++++++----------------------
 1 file changed, 18 insertions(+), 29 deletions(-)

(limited to 'src/ui/render/BorderRenderObject.cpp')

diff --git a/src/ui/render/BorderRenderObject.cpp b/src/ui/render/BorderRenderObject.cpp
index 080bcc4f..1fc120f1 100644
--- a/src/ui/render/BorderRenderObject.cpp
+++ b/src/ui/render/BorderRenderObject.cpp
@@ -5,7 +5,6 @@
 #include "cru/platform/graphics/Geometry.h"
 #include "cru/platform/graphics/Painter.h"
 #include "cru/platform/gui/UiApplication.h"
-#include "cru/ui/DebugFlags.h"
 #include "cru/ui/render/RenderObject.h"
 
 #include <algorithm>
@@ -80,15 +79,24 @@ RenderObject* BorderRenderObject::HitTest(const Point& point) {
   }
 }
 
-void BorderRenderObject::Draw(platform::graphics::IPainter* painter) {
-  if constexpr (debug_flags::draw) {
-    CruLogDebug(
-        kLogTag, "BorderRenderObject draw, background: {}, foreground: {}.",
-        background_brush_ == nullptr ? "NONE"
-                                     : background_brush_->GetDebugString(),
-        foreground_brush_ == nullptr ? "NONE"
-                                     : foreground_brush_->GetDebugString());
+Size BorderRenderObject::OnMeasureContent(
+    const MeasureRequirement& requirement) {
+  if (auto child = GetChild()) {
+    child->Measure(requirement);
+    return child->GetMeasureResultSize();
+  } else {
+    return requirement.suggest.GetSizeOr0();
+  }
+}
+
+void BorderRenderObject::OnLayoutContent(const Rect& content_rect) {
+  if (auto child = GetChild()) {
+    child->Layout(content_rect.GetLeftTop());
   }
+}
+
+void BorderRenderObject::OnDraw(RenderObjectDrawContext& context) {
+  auto painter = context.painter;
 
   if (background_brush_ != nullptr)
     painter->FillGeometry(border_inner_geometry_.get(),
@@ -103,10 +111,7 @@ void BorderRenderObject::Draw(platform::graphics::IPainter* painter) {
   }
 
   if (auto child = GetChild()) {
-    painter->PushState();
-    painter->ConcatTransform(Matrix::Translation(child->GetOffset()));
-    child->Draw(painter);
-    painter->PopState();
+    context.DrawChild(child);
   }
 
   if (foreground_brush_ != nullptr)
@@ -114,22 +119,6 @@ void BorderRenderObject::Draw(platform::graphics::IPainter* painter) {
                           foreground_brush_.get());
 }
 
-Size BorderRenderObject::OnMeasureContent(
-    const MeasureRequirement& requirement) {
-  if (auto child = GetChild()) {
-    child->Measure(requirement);
-    return child->GetMeasureResultSize();
-  } else {
-    return requirement.suggest.GetSizeOr0();
-  }
-}
-
-void BorderRenderObject::OnLayoutContent(const Rect& content_rect) {
-  if (auto child = GetChild()) {
-    child->Layout(content_rect.GetLeftTop());
-  }
-}
-
 void BorderRenderObject::OnResize(const Size& new_size) { RecreateGeometry(); }
 
 Thickness BorderRenderObject::GetTotalSpaceThickness() {
-- 
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