From 6fc14693d01f2be98b45d70405b16883607d4666 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Mon, 9 Oct 2023 22:58:06 +0800
Subject: ...

---
 src/platform/graphics/web_canvas/Brush.cpp   |  4 ++++
 src/platform/graphics/web_canvas/Painter.cpp | 36 +++++++++++++++++++++++++++-
 2 files changed, 39 insertions(+), 1 deletion(-)

(limited to 'src/platform/graphics/web_canvas')

diff --git a/src/platform/graphics/web_canvas/Brush.cpp b/src/platform/graphics/web_canvas/Brush.cpp
index 1c192b75..b86eb6a5 100644
--- a/src/platform/graphics/web_canvas/Brush.cpp
+++ b/src/platform/graphics/web_canvas/Brush.cpp
@@ -20,4 +20,8 @@ String WebCanvasSolidColorBrush::GetCssColor() const {
   return color_.ToString();
 }
 
+emscripten::val WebCanvasSolidColorBrush::GetStyle() {
+  return emscripten::val::u16string(color_.ToString().c_str());
+}
+
 }  // namespace cru::platform::graphics::web_canvas
diff --git a/src/platform/graphics/web_canvas/Painter.cpp b/src/platform/graphics/web_canvas/Painter.cpp
index 31c4a53d..a78ab9f1 100644
--- a/src/platform/graphics/web_canvas/Painter.cpp
+++ b/src/platform/graphics/web_canvas/Painter.cpp
@@ -1,3 +1,6 @@
+#include "cru/platform/Check.h"
+#include "cru/platform/graphics/Brush.h"
+#include "cru/platform/graphics/web_canvas/WebCanvasBrush.h"
 #include "cru/platform/graphics/web_canvas/WebCanvasGraphicsFactory.h"
 #include "cru/platform/graphics/web_canvas/WebCanvasPainter.h"
 #include "cru/platform/graphics/web_canvas/WebCanvasRef.h"
@@ -38,7 +41,38 @@ void WebCanvasPainter::ConcatTransform(const Matrix& transform) {
   contextDoTransform(context_, "transform", transform);
 }
 
-void WebCanvasPainter::Clear(const Color& color) {}
+void WebCanvasPainter::Clear(const Color& color) {
+  auto canvas = GetCanvas();
+  auto canvas_width = canvas.GetWidth();
+  auto canvas_height = canvas.GetHeight();
+
+  context_.set("fillStyle", color.ToString());
+  context_.call<void>("fillRect", 0, 0, canvas_width, canvas_height);
+}
+
+void WebCanvasPainter::DrawLine(const Point& start, const Point& end,
+                                IBrush* brush, float width) {
+  SetStrokeStyle(brush, width);
+  context_.call<void>("beginPath");
+  context_.call<void>("moveTo", start.x, start.y);
+  context_.call<void>("lineTo", end.x, end.y);
+  context_.call<void>("stroke");
+}
+
+void WebCanvasPainter::SetStrokeStyle(IBrush* brush, float width) {
+  context_.set("strokeStyle", ConvertBrush(brush)->GetStyle());
+  if (width > 0) {
+    context_.set("lineWidth", width);
+  }
+}
+
+void WebCanvasPainter::SetFillStyle(IBrush* brush) {
+  context_.set("fillStyle", ConvertBrush(brush)->GetStyle());
+}
+
+WebCanvasBrush* WebCanvasPainter::ConvertBrush(IBrush* brush) const {
+  return CheckPlatform<WebCanvasBrush>(brush, GetPlatformId());
+}
 
 WebCanvasRef WebCanvasPainter::GetCanvas() {
   return WebCanvasRef(context_["canvas"]);
-- 
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