// Tests that SkNewImageFromBitmap obeys pixelref origin. DEF_TEST(SkImageFromBitmap_extractSubset, reporter) { SkAutoTUnref<SkImage> image; { SkBitmap srcBitmap; srcBitmap.allocN32Pixels(gWidth, gHeight); srcBitmap.eraseColor(SK_ColorRED); SkBitmapDevice dev(srcBitmap); SkCanvas canvas(&dev); SkIRect r = SkIRect::MakeXYWH(5, 5, gWidth - 5, gWidth - 5); SkPaint p; p.setColor(SK_ColorGREEN); canvas.drawIRect(r, p); SkBitmap dstBitmap; srcBitmap.extractSubset(&dstBitmap, r); image.reset(SkNewImageFromBitmap(dstBitmap, true, NULL)); } SkBitmap tgt; tgt.allocN32Pixels(gWidth, gHeight); SkBitmapDevice dev(tgt); SkCanvas canvas(&dev); canvas.clear(SK_ColorTRANSPARENT); canvas.drawImage(image, 0, 0, NULL); uint32_t pixel = 0; SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1); canvas.readPixels(info, &pixel, 4, 0, 0); REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); canvas.readPixels(info, &pixel, 4, gWidth - 6, gWidth - 6); REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); canvas.readPixels(info, &pixel, 4, gWidth - 5, gWidth - 5); REPORTER_ASSERT(reporter, pixel == SK_ColorTRANSPARENT); }
SkImage* SkSurface_Raster::onNewImageSnapshot(Budgeted) { return SkNewImageFromBitmap(fBitmap, fWeOwnThePixels, &this->props()); }