expose CGImage -> SkBitmap
BUG=skia:
R=scroggo@google.com, halcanary@google.com
Author: reed@google.com
Review URL: https://codereview.chromium.org/243463005
git-svn-id: http://skia.googlecode.com/svn/trunk@14315 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/aaclip.cpp b/gm/aaclip.cpp
index 4f61767..6028d60 100644
--- a/gm/aaclip.cpp
+++ b/gm/aaclip.cpp
@@ -108,3 +108,91 @@
};
DEF_GM( return SkNEW(AAClipGM); )
+
+/////////////////////////////////////////////////////////////////////////
+
+#ifdef SK_BUILD_FOR_MAC
+
+static SkCanvas* make_canvas(const SkBitmap& bm) {
+ const SkImageInfo& info = bm.info();
+ if (info.bytesPerPixel() == 4) {
+ return SkCanvas::NewRasterDirectN32(info.width(), info.height(),
+ (SkPMColor*)bm.getPixels(),
+ bm.rowBytes());
+ } else {
+ return SkNEW_ARGS(SkCanvas, (bm));
+ }
+}
+
+#include "SkCGUtils.h"
+static void test_image(SkCanvas* canvas, const SkImageInfo& info) {
+ SkBitmap bm;
+ bm.allocPixels(info);
+
+ SkAutoTUnref<SkCanvas> newc(make_canvas(bm));
+ if (info.isOpaque()) {
+ bm.eraseColor(SK_ColorGREEN);
+ } else {
+ bm.eraseColor(0);
+ }
+
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ paint.setColor(SK_ColorBLUE);
+ newc->drawCircle(50, 50, 49, paint);
+ canvas->drawBitmap(bm, 10, 10);
+
+ CGImageRef image = SkCreateCGImageRefWithColorspace(bm, NULL);
+
+ SkBitmap bm2;
+ SkCreateBitmapFromCGImage(&bm2, image);
+ CGImageRelease(image);
+
+ canvas->drawBitmap(bm2, 10, 120);
+}
+
+class CGImageGM : public skiagm::GM {
+public:
+ CGImageGM() {}
+
+protected:
+ virtual SkString onShortName() SK_OVERRIDE {
+ return SkString("cgimage");
+ }
+
+ virtual SkISize onISize() SK_OVERRIDE {
+ return SkISize::Make(800, 250);
+ }
+
+ virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+ const struct {
+ SkColorType fCT;
+ SkAlphaType fAT;
+ } rec[] = {
+ { kRGB_565_SkColorType, kOpaque_SkAlphaType },
+
+ { kRGBA_8888_SkColorType, kPremul_SkAlphaType },
+ { kRGBA_8888_SkColorType, kUnpremul_SkAlphaType },
+ { kRGBA_8888_SkColorType, kOpaque_SkAlphaType },
+
+ { kBGRA_8888_SkColorType, kPremul_SkAlphaType },
+ { kBGRA_8888_SkColorType, kUnpremul_SkAlphaType },
+ { kBGRA_8888_SkColorType, kOpaque_SkAlphaType },
+ };
+
+ for (size_t i = 0; i < SK_ARRAY_COUNT(rec); ++i) {
+ SkImageInfo info = SkImageInfo::Make(100, 100, rec[i].fCT, rec[i].fAT);
+ test_image(canvas, info);
+ canvas->translate(info.width() + 10, 0);
+ }
+ }
+
+ virtual uint32_t onGetFlags() const SK_OVERRIDE { return kSkipPipe_Flag; }
+
+private:
+ typedef skiagm::GM INHERITED;
+};
+
+DEF_GM( return SkNEW(CGImageGM); )
+
+#endif