// 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());
}
