Convert unit tests, GMs from SkBitmapSource to SkImagesource
This removes SkBitmapSource clients within Skia.
http://crrev.com/1334173004 does the same for Blink, so we should be
able to remove SkBitmapSource in a follow-up.
R=reed@google.com,robertphillips@google.com,mtklein@google.com
Review URL: https://codereview.chromium.org/1343123002
diff --git a/gm/imagesource2.cpp b/gm/imagesource2.cpp
new file mode 100644
index 0000000..7f9c2b5
--- /dev/null
+++ b/gm/imagesource2.cpp
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2015 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 "SkImage.h"
+#include "SkImageSource.h"
+#include "SkSurface.h"
+
+namespace skiagm {
+
+// This GM reproduces the issue in crbug.com/472795. The SkImageSource image
+// is shifted for high quality mode between cpu and gpu.
+class ImageSourceGM : public GM {
+public:
+ ImageSourceGM(const char* suffix, SkFilterQuality filter) : fSuffix(suffix), fFilter(filter) {
+ this->setBGColor(0xFFFFFFFF);
+ }
+
+protected:
+ SkString onShortName() override {
+ SkString name("imagesrc2_");
+ name.append(fSuffix);
+ return name;
+ }
+
+ SkISize onISize() override { return SkISize::Make(256, 256); }
+
+ // Create an image with high frequency vertical stripes
+ void onOnceBeforeDraw() override {
+ static const SkPMColor gColors[] = {
+ SK_ColorRED, SK_ColorGRAY,
+ SK_ColorGREEN, SK_ColorGRAY,
+ SK_ColorBLUE, SK_ColorGRAY,
+ SK_ColorCYAN, SK_ColorGRAY,
+ SK_ColorMAGENTA, SK_ColorGRAY,
+ SK_ColorYELLOW, SK_ColorGRAY,
+ SK_ColorWHITE, SK_ColorGRAY,
+ };
+
+ SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(kImageSize, kImageSize));
+ SkCanvas* canvas = surface->getCanvas();
+
+ int curColor = 0;
+
+ for (int x = 0; x < kImageSize; x += 3) {
+ SkRect r = SkRect::MakeXYWH(SkIntToScalar(x), SkIntToScalar(0),
+ SkIntToScalar(3), SkIntToScalar(kImageSize));
+ SkPaint p;
+ p.setColor(gColors[curColor]);
+ canvas->drawRect(r, p);
+
+ curColor = (curColor+1) % SK_ARRAY_COUNT(gColors);
+ }
+
+ fImage.reset(surface->newImageSnapshot());
+ }
+
+ void onDraw(SkCanvas* canvas) override {
+ SkRect srcRect = SkRect::MakeLTRB(0, 0,
+ SkIntToScalar(kImageSize), SkIntToScalar(kImageSize));
+ SkRect dstRect = SkRect::MakeLTRB(0.75f, 0.75f, 225.75f, 225.75f);
+
+ SkAutoTUnref<SkImageFilter> filter(
+ SkImageSource::Create(fImage, srcRect, dstRect, fFilter));
+
+ SkPaint p;
+ p.setImageFilter(filter);
+
+ canvas->saveLayer(nullptr, &p);
+ canvas->restore();
+ }
+
+private:
+ static const int kImageSize = 503;
+
+ SkString fSuffix;
+ SkFilterQuality fFilter;
+ SkAutoTUnref<SkImage> fImage;
+
+ typedef GM INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+DEF_GM(return new ImageSourceGM("none", kNone_SkFilterQuality);)
+DEF_GM(return new ImageSourceGM("low", kLow_SkFilterQuality);)
+DEF_GM(return new ImageSourceGM("med", kMedium_SkFilterQuality);)
+DEF_GM(return new ImageSourceGM("high", kHigh_SkFilterQuality);)
+}