Index: gm/bitmapimage.cpp |
diff --git a/gm/bitmapimage.cpp b/gm/bitmapimage.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ad6a74dda86a561154a19502edd7f5727a3acdbd |
--- /dev/null |
+++ b/gm/bitmapimage.cpp |
@@ -0,0 +1,73 @@ |
+/* |
+ * Copyright 2016 Google Inc. |
+ * |
+ * Use of this source code is governed by a BSD-style license that can be |
+ * found in the LICENSE file. |
+ */ |
+ |
+#include "gm.h" |
+#include "Resources.h" |
+ |
+namespace skiagm { |
+ |
+class BitmapImageGM : public GM { |
+public: |
+ BitmapImageGM() {} |
+ |
+protected: |
+ |
+ SkString onShortName() override { |
+ return SkString("bitmap-image-srgb-linear"); |
+ } |
+ |
+ SkISize onISize() override { |
+ return SkISize::Make(2*kSize, 2*kSize); |
+ } |
+ |
+ void onDraw(SkCanvas* canvas) override { |
+ // Create image. |
+ sk_sp<SkImage> image = GetResourceAsImage("mandrill_512_q075.jpg"); |
+ if (!image) { |
+ SkDebugf("Failure: Is the resource path set properly?"); |
+ return; |
+ } |
+ |
+ // Create matching bitmap. |
+ SkBitmap bitmap; |
+ SkAssertResult(image->asLegacyBitmap(&bitmap, SkImage::kRO_LegacyBitmapMode)); |
+ |
+ // The GM will be displayed in a 2x2 grid. |
+ // The top two squares show an sRGB image, then bitmap, drawn to a linear canvas. |
+ SkImageInfo linearInfo = SkImageInfo::MakeN32(2*kSize, kSize, kOpaque_SkAlphaType); |
+ SkBitmap linearBMCanvas; |
+ linearBMCanvas.allocPixels(linearInfo); |
+ SkCanvas linearCanvas(linearBMCanvas); |
+ linearCanvas.drawImage(image, 0.0f, 0.0f, nullptr); |
+ linearCanvas.translate(SkScalar(kSize), 0.0f); |
+ linearCanvas.drawBitmap(bitmap, 0.0f, 0.0f, nullptr); |
+ canvas->drawBitmap(linearBMCanvas, 0.0f, 0.0f, nullptr); |
+ canvas->translate(0.0f, SkScalar(kSize)); |
+ |
+ // The bottom two squares show an sRGB image, then bitmap, drawn to a srgb canvas. |
+ SkImageInfo srgbInfo = SkImageInfo::MakeS32(2*kSize, kSize, kOpaque_SkAlphaType); |
+ SkBitmap srgbBMCanvas; |
+ srgbBMCanvas.allocPixels(srgbInfo); |
+ SkCanvas srgbCanvas(srgbBMCanvas); |
+ srgbCanvas.drawImage(image, 0.0f, 0.0f, nullptr); |
+ srgbCanvas.translate(SkScalar(kSize), 0.0f); |
+ srgbCanvas.drawBitmap(bitmap, 0.0f, 0.0f, nullptr); |
+ canvas->drawBitmap(srgbBMCanvas, 0.0f, 0.0f, nullptr); |
+ } |
+ |
+private: |
+ static constexpr int kSize = 512; |
+ |
+ typedef GM INHERITED; |
+}; |
+ |
+////////////////////////////////////////////////////////////////////////////// |
+ |
+static GM* MyFactory(void*) { return new BitmapImageGM; } |
+static GMRegistry reg(MyFactory); |
+ |
+} |