Bitmap transport

skia/ext/platform_canvas_linux.cc

Index: skia/ext/platform_canvas_linux.cc
diff --git a/skia/ext/platform_canvas_linux.cc b/skia/ext/platform_canvas_linux.cc
index d436fd765c2784788d7fb64e0f811b72d4144774..422693ca958496d134051231576733590137b030 100644
--- a/skia/ext/platform_canvas_linux.cc
+++ b/skia/ext/platform_canvas_linux.cc
@@ -21,6 +21,13 @@ PlatformCanvasLinux::PlatformCanvasLinux(int width, int height, bool is_opaque)
     SK_CRASH();
 }
 
+PlatformCanvasLinux::PlatformCanvasLinux(int width, int height, bool is_opaque,
+                                         uint8_t* data)
+    : SkCanvas() {
+  if (!initialize(width, height, is_opaque, data))
+    SK_CRASH();
+}
+
 PlatformCanvasLinux::~PlatformCanvasLinux() {
 }
 
@@ -34,6 +41,18 @@ bool PlatformCanvasLinux::initialize(int width, int height, bool is_opaque) {
   return true;
 }
 
+bool PlatformCanvasLinux::initialize(int width, int height, bool is_opaque,
+                                     uint8_t* data) {
+  SkDevice* device =
+    BitmapPlatformDeviceLinux::Create(width, height, is_opaque, data);
+  if (!device)
+    return false;
+
+  setDevice(device);
+  device->unref(); // was created with refcount 1, and setDevice also refs
+  return true;
+}
+
 PlatformDeviceLinux& PlatformCanvasLinux::getTopPlatformDevice() const {
   // All of our devices should be our special PlatformDevice.
   SkCanvas::LayerIter iter(const_cast<PlatformCanvasLinux*>(this), false);