def test_YUVAPixmaps_FromExternalPixmaps():
info = skia.YUVAInfo()
pixmaps = [
skia.Pixmap(),
skia.Pixmap(),
skia.Pixmap(),
skia.Pixmap(),
]
assert isinstance(
skia.YUVAPixmaps.FromExternalPixmaps(info, pixmaps),
skia.YUVAPixmaps)
def getFrameAt(self, index):
if self.fImages.get(index, False) is not False:
return self.fImages[index]
rb = self.imageInfo.minRowBytes()
bmap = skia.Bitmap()
bmap.allocPixels(self.imageInfo)
reqFrame = self.fInfos[index].fRequiredFrame
opts = skia.Codec.Options()
opts.fFrameIndex = index
opts.fPriorFrame = reqFrame if reqFrame != index - 1 else skia.Codec.kNoFrame
if reqFrame != skia.Codec.kNoFrame:
pmap = skia.Pixmap()
if self.fImages.get(reqFrame, False):
self.fImages.get(reqFrame).readPixels(pmap, 0, 0)
bmap.writePixels(pmap)
result = self.decGif.getPixels(self.imageInfo, bmap.getPixels(),
bmap.rowBytes(), opts)
if result == skia.Codec.Result.kSuccess:
self.fImages[index] = skia.Image.MakeFromBitmap(bmap)
return self.fImages[index]
return False
def test_Pixmap_addr64(pixmap):
info = skia.ImageInfo.Make(
100, 100, skia.ColorType.kRGBA_F16_ColorType,
skia.AlphaType.kPremul_AlphaType)
data = bytearray(info.computeMinByteSize())
pixmap = skia.Pixmap(info, data, info.minRowBytes())
assert isinstance(pixmap.addr64(), memoryview)
def getFrameAt(self,index):
if self.fImages.get(index,False) != False:
return self.fImages[index]
rb = self.imageInfo.minRowBytes()
#Carefull with the lifetime of this
bmap = skia.Bitmap()
bmap.allocPixels(self.imageInfo)
opts = skia.Codec.Options()
opts.fFrameIndex = index
reqFrame = self.fInfos[index].fRequiredFrame
if reqFrame != skia.Codec.kNoFrame:
#copy image data from required frame
pmap = skia.Pixmap()
self.fImages[reqFrame].readPixels(pmap,0,0)
bmap.installPixels(pmap)
result = self.decGif.getPixels(self.imageInfo,bmap.getPixels(),bmap.rowBytes(),opts)
if result == skia.Codec.Result.kSuccess:
self.fImages[index] = skia.Image.MakeFromBitmap(bmap)
return self.fImages[index]
return False
def test_Bitmap_readPixels(bitmap, info, use_pixmap):
dst = bytearray(info.computeMinByteSize())
if use_pixmap:
pixmap = skia.Pixmap(info, dst, info.minRowBytes())
assert isinstance(bitmap.readPixels(pixmap), bool)
else:
assert isinstance(bitmap.readPixels(info, dst, info.minRowBytes()),
bool)
def test_Image_readPixels2(context, use_context, image):
info = image.imageInfo().makeWH(100, 100)
dstRowBytes = info.minRowBytes()
dstPixels = bytearray(info.computeByteSize(dstRowBytes))
dst = skia.Pixmap(info, dstPixels, dstRowBytes)
if use_context:
assert isinstance(image.readPixels(context, dst, 0, 0), bool)
else:
assert isinstance(image.readPixels(dst, 0, 0), bool)
def test_Pixmap_readPixels(pixmap, use_pixmap):
info = pixmap.info().makeWH(100, 100)
dstRowBytes = info.minRowBytes()
dstPixels = bytearray(info.computeByteSize(dstRowBytes))
if use_pixmap:
dst = skia.Pixmap(info, dstPixels, dstRowBytes)
assert isinstance(pixmap.readPixels(dst, 0, 0), bool)
else:
assert isinstance(
pixmap.readPixels(info, dstPixels, dstRowBytes, 0, 0), bool)
def test_Codec_getPixels(codec, use_pixmap):
info = skia.ImageInfo.MakeN32Premul(128, 128)
data = bytearray(info.computeMinByteSize())
rowBytes = info.minRowBytes()
if use_pixmap:
pixmap = skia.Pixmap(info, data, rowBytes)
assert isinstance(codec.getPixels(pixmap), skia.Codec.Result)
else:
assert isinstance(codec.getPixels(info, data, rowBytes),
skia.Codec.Result)
def test_Surface_peekPixels(surface):
assert isinstance(surface.peekPixels(skia.Pixmap()), bool)
(skia.IRect(100, 100),),
])
def test_Surface_makeImageSnapshot(surface, args):
assert isinstance(surface.makeImageSnapshot(*args), skia.Image)
def test_Surface_draw(surface):
surface.draw(surface.getCanvas(), 0, 0, None)
def test_Surface_peekPixels(surface):
assert isinstance(surface.peekPixels(skia.Pixmap()), bool)
@pytest.mark.parametrize('args', [
(skia.Pixmap(), 0, 0),
(
skia.ImageInfo.MakeN32Premul(320, 240),
bytearray(240 * 320 * 4),
320 * 4,
),
(
skia.ImageInfo.MakeN32Premul(320, 240),
np.zeros((240, 320, 4), dtype=np.uint8),
),
(skia.Bitmap(), 0, 0),
])
def test_Surface_readPixels(surface, args):
assert isinstance(surface.readPixels(*args), bool)
def test_Canvas_peekPixels(canvas):
assert isinstance(canvas.peekPixels(skia.Pixmap()), bool)
def pixmap():
info = skia.ImageInfo.MakeN32Premul(100, 100)
data = bytearray(info.computeMinByteSize())
yield skia.Pixmap(info, data, info.minRowBytes())
def test_Image_peekPixels(image):
pixmap = skia.Pixmap()
assert isinstance(image.peekPixels(pixmap), bool)
def test_Bitmap_peekPixels(bitmap):
assert isinstance(bitmap.peekPixels(skia.Pixmap()), bool)
def test_Pixmap_addr8():
info = skia.ImageInfo.MakeA8(100, 100)
data = bytearray(info.computeMinByteSize())
pixmap = skia.Pixmap(info, data, info.minRowBytes())
assert isinstance(pixmap.addr8(), memoryview)
def test_Pixmap_init(args):
assert isinstance(skia.Pixmap(*args), skia.Pixmap)
def test_Image_peekPixels(image):
assert isinstance(image.peekPixels(skia.Pixmap()), bool)
def pixmap():
info = skia.ImageInfo().MakeN32Premul(100, 100)
row_bytes = info.minRowBytes()
pixels = bytearray(info.computeByteSize(row_bytes))
return skia.Pixmap(info, pixels, row_bytes)
def test_Pixmap_scalePixels(pixmap):
info = pixmap.info().makeWH(100, 100)
dstRowBytes = info.minRowBytes()
dstPixels = bytearray(info.computeByteSize(dstRowBytes))
dst = skia.Pixmap(info, dstPixels, dstRowBytes)
assert isinstance(pixmap.scalePixels(dst), bool)
def test_Image_scalePixels(image):
info = image.imageInfo().makeWH(100, 100)
dstRowBytes = info.minRowBytes()
dstPixels = bytearray(info.computeByteSize(dstRowBytes))
dst = skia.Pixmap(info, dstPixels, dstRowBytes)
assert isinstance(image.scalePixels(dst), bool)
def test_Pixmap_extractSubset(pixmap):
assert isinstance(
pixmap.extractSubset(skia.Pixmap(), skia.IRect.MakeWH(100, 100)), bool)
