This new test provides a test case for
http://code.google.com/p/skia/issues/detail?id=332
REVIEW=http://codereview.appspot.com/4808058/
git-svn-id: http://skia.googlecode.com/svn/trunk@1979 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gyp/SampleApp.gyp b/gyp/SampleApp.gyp
index 4c73857..6d83a0c 100644
--- a/gyp/SampleApp.gyp
+++ b/gyp/SampleApp.gyp
@@ -53,6 +53,7 @@
'../samplecode/SampleDegenerateTwoPtRadials.cpp',
'../samplecode/SampleDither.cpp',
'../samplecode/SampleDitherBitmap.cpp',
+ '../samplecode/SampleDrawBitmap.cpp',
'../samplecode/SampleDrawLooper.cpp',
'../samplecode/SampleEffects.cpp',
'../samplecode/SampleEmboss.cpp',
diff --git a/samplecode/SampleDrawBitmap.cpp b/samplecode/SampleDrawBitmap.cpp
new file mode 100644
index 0000000..d15f748
--- /dev/null
+++ b/samplecode/SampleDrawBitmap.cpp
@@ -0,0 +1,78 @@
+#include "SampleCode.h"
+#include "SkView.h"
+#include "SkCanvas.h"
+#include "SkShader.h"
+#include "SkUtils.h"
+#include "SkDevice.h"
+
+static void create_bitmap(SkBitmap* bitmap) {
+ const int W = 100;
+ const int H = 100;
+ bitmap->setConfig(SkBitmap::kARGB_8888_Config, W, H);
+ bitmap->allocPixels();
+
+ SkCanvas canvas(*bitmap);
+ canvas.drawColor(SK_ColorRED);
+ SkPaint paint;
+ paint.setColor(SK_ColorBLUE);
+ canvas.drawCircle(SkIntToScalar(W)/2, SkIntToScalar(H)/2, SkIntToScalar(W)/2, paint);
+}
+
+class DrawBitmapView : public SampleView {
+ SkPath fPath;
+public:
+ DrawBitmapView() {}
+
+protected:
+ // overrides from SkEventSink
+ virtual bool onQuery(SkEvent* evt) {
+ if (SampleCode::TitleQ(*evt)) {
+ SampleCode::TitleR(evt, "DrawBitmap");
+ return true;
+ }
+ return this->INHERITED::onQuery(evt);
+ }
+
+ virtual void onDrawContent(SkCanvas* canvas) {
+ SkBitmap bitmap;
+ create_bitmap(&bitmap);
+ int x = bitmap.width() / 2;
+ int y = bitmap.height() / 2;
+ SkBitmap subset;
+ bitmap.extractSubset(&subset, SkIRect::MakeXYWH(x, y, x, y));
+
+ canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
+
+ canvas->drawBitmap(bitmap, 0, 0);
+ canvas->drawBitmap(subset, 0, 0);
+
+ // Now do the same but with a device bitmap as source image
+ SkRefPtr<SkDevice> primaryDevice(canvas->getDevice());
+ SkRefPtr<SkDevice> secondDevice(canvas->createCompatibleDevice(
+ SkBitmap::kARGB_8888_Config, bitmap.width(),
+ bitmap.height(), true));
+ secondDevice->unref();
+ SkCanvas secondCanvas(secondDevice.get());
+ secondCanvas.writePixels(bitmap, 0, 0);
+
+ SkBitmap deviceBitmap = secondDevice->accessBitmap(false);
+ SkBitmap deviceSubset;
+ deviceBitmap.extractSubset(&deviceSubset,
+ SkIRect::MakeXYWH(x, y, x, y));
+
+ canvas->translate(SkIntToScalar(120), SkIntToScalar(0));
+
+ canvas->drawBitmap(deviceBitmap, 0, 0);
+ canvas->drawBitmap(deviceSubset, 0, 0);
+
+ }
+
+private:
+ typedef SampleView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new DrawBitmapView; }
+static SkViewRegister reg(MyFactory);
+