1 files changed, 18 insertions, 5 deletions
diff --git a/src/platform/graphics/web_canvas/Painter.cpp b/src/platform/graphics/web_canvas/Painter.cpp
index cd04a725..31c4a53d 100644
--- a/src/platform/graphics/web_canvas/Painter.cpp
+++ b/src/platform/graphics/web_canvas/Painter.cpp
@@ -1,5 +1,6 @@
 #include "cru/platform/graphics/web_canvas/WebCanvasGraphicsFactory.h"
 #include "cru/platform/graphics/web_canvas/WebCanvasPainter.h"
+#include "cru/platform/graphics/web_canvas/WebCanvasRef.h"
 #include "cru/platform/graphics/web_canvas/WebCanvasResource.h"
 
 #include <optional>
@@ -7,9 +8,10 @@
 namespace cru::platform::graphics::web_canvas {
 
 namespace {
-void contextSetTransform(emscripten::val context, const Matrix& matrix) {
-  context.call<void>("setTransform", matrix.m11, matrix.m12, matrix.m21,
-                     matrix.m22, matrix.m31, matrix.m32);
+void contextDoTransform(emscripten::val context, const char* method,
+                        const Matrix& matrix) {
+  context.call<void>(method, matrix.m11, matrix.m12, matrix.m21, matrix.m22,
+                     matrix.m31, matrix.m32);
 }
 }  // namespace
 
@@ -19,7 +21,7 @@ WebCanvasPainter::WebCanvasPainter(WebCanvasGraphicsFactory* factory,
     : WebCanvasResource(factory),
       context_(context),
       current_transform_(current_transform.value_or(Matrix::Identity())) {
-  contextSetTransform(context_, current_transform_);
+  contextDoTransform(context_, "setTransform", current_transform_);
 }
 
 WebCanvasPainter::~WebCanvasPainter() {}
@@ -28,6 +30,17 @@ Matrix WebCanvasPainter::GetTransform() { return current_transform_; }
 
 void WebCanvasPainter::SetTransform(const Matrix& transform) {
   current_transform_ = transform;
-  contextSetTransform(context_, transform);
+  contextDoTransform(context_, "setTransform", current_transform_);
+}
+
+void WebCanvasPainter::ConcatTransform(const Matrix& transform) {
+  current_transform_ *= transform;
+  contextDoTransform(context_, "transform", transform);
+}
+
+void WebCanvasPainter::Clear(const Color& color) {}
+
+WebCanvasRef WebCanvasPainter::GetCanvas() {
+  return WebCanvasRef(context_["canvas"]);
 }
 }  // namespace cru::platform::graphics::web_canvas