add gpu to gm tool

add pass-through read/write pixels API to canvas



git-svn-id: http://skia.googlecode.com/svn/trunk@660 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 25 insertions, 0 deletions

diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index 764e063282..076164147d 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -549,6 +549,31 @@ SkDevice* SkCanvas::setBitmapDevice(const SkBitmap& bitmap, bool forLayer) {
     return device;
 }
 
+bool SkCanvas::readPixels(const SkIRect& srcRect, SkBitmap* bitmap) {
+    SkDevice* device = this->getDevice();
+    if (!device) {
+        return false;
+    }
+    return device->readPixels(srcRect, bitmap);
+}
+
+bool SkCanvas::readPixels(SkBitmap* bitmap) {
+    SkDevice* device = this->getDevice();
+    if (!device) {
+        return false;
+    }
+    SkIRect bounds;
+    bounds.set(0, 0, device->width(), device->height());
+    return this->readPixels(bounds, bitmap);
+}
+
+void SkCanvas::writePixels(const SkBitmap& bitmap, int x, int y) {
+    SkDevice* device = this->getDevice();
+    if (device) {
+        device->writePixels(bitmap, x, y);
+    }
+}
+
 //////////////////////////////////////////////////////////////////////////////
 
 bool SkCanvas::getViewport(SkIPoint* size) const {