bool SkImageGenerator::tryGenerateBitmap(SkBitmap* bitmap, const SkImageInfo* infoPtr) {
const SkImageInfo info = infoPtr ? *infoPtr : this->getInfo();
const size_t rowBytes = info.minRowBytes();
const size_t pixelSize = info.getSafeSize(rowBytes);
if (0 == pixelSize) {
return false;
}
SkAutoFree pixelStorage(sk_malloc_flags(pixelSize, 0));
void* pixels = pixelStorage.get();
if (!pixels) {
return false;
}
SkPMColor ctStorage[256];
int ctCount = 0;
if (!this->getPixels(info, pixels, rowBytes, ctStorage, &ctCount)) {
return false;
}
SkAutoTUnref<SkColorTable> ctable;
if (ctCount > 0) {
SkASSERT(kIndex_8_SkColorType == info.colorType());
ctable.reset(new SkColorTable(ctStorage, ctCount));
} else {
SkASSERT(kIndex_8_SkColorType != info.colorType());
}
return bitmap->installPixels(info, pixelStorage.detach(), rowBytes, ctable,
release_malloc_proc, nullptr);
}
size_t SkAutoPixmapStorage::AllocSize(const SkImageInfo& info, size_t* rowBytes) {
size_t rb = info.minRowBytes();
if (rowBytes) {
*rowBytes = rb;
}
return info.getSafeSize(rb);
}
bool SkImageGenerator::getPixels(const SkImageInfo& info, void* pixels, size_t rowBytes,
SkPMColor ctable[], int* ctableCount) {
if (kUnknown_SkColorType == info.colorType()) {
return false;
}
if (NULL == pixels) {
return false;
}
if (rowBytes < info.minRowBytes()) {
return false;
}
if (kIndex_8_SkColorType == info.colorType()) {
if (NULL == ctable || NULL == ctableCount) {
return false;
}
} else {
if (ctableCount) {
*ctableCount = 0;
}
ctableCount = NULL;
ctable = NULL;
}
bool success = this->onGetPixels(info, pixels, rowBytes, ctable, ctableCount);
if (success && ctableCount) {
SkASSERT(*ctableCount >= 0 && *ctableCount <= 256);
}
return success;
}
virtual void DidChangeView(const pp::Rect& position, const pp::Rect& clip) {
if (position.size().width() == fWidth &&
position.size().height() == fHeight) {
return; // We don't care about the position, only the size.
}
fWidth = position.size().width();
fHeight = position.size().height();
fDeviceContext = pp::Graphics2D(this, pp::Size(fWidth, fHeight), false);
if (!BindGraphics(fDeviceContext)) {
SkDebugf("Couldn't bind the device context\n");
return;
}
fImage = pp::ImageData(this,
PP_IMAGEDATAFORMAT_BGRA_PREMUL,
pp::Size(fWidth, fHeight), false);
const SkImageInfo info = SkImageInfo::MakeN32Premul(fWidth, fHeight);
fBitmap.installPixels(info, fImage.data(), info.minRowBytes());
if (fCanvas) {
delete fCanvas;
}
fCanvas = new SkCanvas(fBitmap);
fCanvas->clear(SK_ColorWHITE);
if (!fFlushLoopRunning) {
Paint();
}
}
sk_sp<SkImage> SkImageMakeRasterCopyAndAssignColorSpace(const SkImage* src,
SkColorSpace* colorSpace) {
// Read the pixels out of the source image, with no conversion
SkImageInfo info = as_IB(src)->onImageInfo();
if (kUnknown_SkColorType == info.colorType()) {
SkDEBUGFAIL("Unexpected color type");
return nullptr;
}
size_t rowBytes = info.minRowBytes();
size_t size = info.computeByteSize(rowBytes);
if (SkImageInfo::ByteSizeOverflowed(size)) {
return nullptr;
}
auto data = SkData::MakeUninitialized(size);
if (!data) {
return nullptr;
}
SkPixmap pm(info, data->writable_data(), rowBytes);
if (!src->readPixels(pm, 0, 0, SkImage::kDisallow_CachingHint)) {
return nullptr;
}
// Wrap them in a new image with a different color space
return SkImage::MakeRasterData(info.makeColorSpace(sk_ref_sp(colorSpace)), data, rowBytes);
}
TEST_F(DeferredImageDecoderTest, frameOpacity)
{
std::unique_ptr<ImageDecoder> actualDecoder = ImageDecoder::create(*m_data,
ImageDecoder::AlphaPremultiplied, ImageDecoder::GammaAndColorProfileApplied);
std::unique_ptr<DeferredImageDecoder> decoder = DeferredImageDecoder::createForTesting(std::move(actualDecoder));
decoder->setData(*m_data, true);
SkImageInfo pixInfo = SkImageInfo::MakeN32Premul(1, 1);
size_t rowBytes = pixInfo.minRowBytes();
size_t size = pixInfo.getSafeSize(rowBytes);
SkAutoMalloc storage(size);
SkPixmap pixmap(pixInfo, storage.get(), rowBytes);
// Before decoding, the frame is not known to be opaque.
RefPtr<SkImage> frame = decoder->createFrameAtIndex(0);
ASSERT_TRUE(frame);
EXPECT_FALSE(frame->isOpaque());
// Force a lazy decode by reading pixels.
EXPECT_TRUE(frame->readPixels(pixmap, 0, 0));
// After decoding, the frame is known to be opaque.
frame = decoder->createFrameAtIndex(0);
ASSERT_TRUE(frame);
EXPECT_TRUE(frame->isOpaque());
// Re-generating the opaque-marked frame should not fail.
EXPECT_TRUE(frame->readPixels(pixmap, 0, 0));
}
bool onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes,
const Options& options) override {
REPORTER_ASSERT(fReporter, pixels != nullptr);
REPORTER_ASSERT(fReporter, rowBytes >= info.minRowBytes());
if (fType != kSucceedGetPixels_TestType) {
return false;
}
if (info.colorType() != kN32_SkColorType && info.colorType() != getInfo().colorType()) {
return false;
}
char* bytePtr = static_cast<char*>(pixels);
switch (info.colorType()) {
case kN32_SkColorType:
for (int y = 0; y < info.height(); ++y) {
sk_memset32((uint32_t*)bytePtr,
TestImageGenerator::PMColor(), info.width());
bytePtr += rowBytes;
}
break;
case kRGB_565_SkColorType:
for (int y = 0; y < info.height(); ++y) {
sk_memset16((uint16_t*)bytePtr,
SkPixel32ToPixel16(TestImageGenerator::PMColor()), info.width());
bytePtr += rowBytes;
}
break;
default:
return false;
}
return true;
}
TEST_F(DeferredImageDecoderTest, frameOpacity) {
std::unique_ptr<DeferredImageDecoder> decoder = DeferredImageDecoder::create(
m_data, true, ImageDecoder::AlphaPremultiplied,
ColorBehavior::transformToTargetForTesting());
SkImageInfo pixInfo = SkImageInfo::MakeN32Premul(1, 1);
size_t rowBytes = pixInfo.minRowBytes();
size_t size = pixInfo.getSafeSize(rowBytes);
Vector<char> storage(size);
SkPixmap pixmap(pixInfo, storage.data(), rowBytes);
// Before decoding, the frame is not known to be opaque.
sk_sp<SkImage> frame = decoder->createFrameAtIndex(0);
ASSERT_TRUE(frame);
EXPECT_FALSE(frame->isOpaque());
// Force a lazy decode by reading pixels.
EXPECT_TRUE(frame->readPixels(pixmap, 0, 0));
// After decoding, the frame is known to be opaque.
frame = decoder->createFrameAtIndex(0);
ASSERT_TRUE(frame);
EXPECT_TRUE(frame->isOpaque());
// Re-generating the opaque-marked frame should not fail.
EXPECT_TRUE(frame->readPixels(pixmap, 0, 0));
}
SkCodec::Result SkAndroidCodec::getAndroidPixels(const SkImageInfo& info, void* pixels,
size_t rowBytes, const AndroidOptions* options) {
if (!pixels) {
return SkCodec::kInvalidParameters;
}
if (rowBytes < info.minRowBytes()) {
return SkCodec::kInvalidParameters;
}
AndroidOptions defaultOptions;
if (!options) {
options = &defaultOptions;
} else if (options->fSubset) {
if (!is_valid_subset(*options->fSubset, fInfo.dimensions())) {
return SkCodec::kInvalidParameters;
}
if (SkIRect::MakeSize(fInfo.dimensions()) == *options->fSubset) {
// The caller wants the whole thing, rather than a subset. Modify
// the AndroidOptions passed to onGetAndroidPixels to not specify
// a subset.
defaultOptions = *options;
defaultOptions.fSubset = nullptr;
options = &defaultOptions;
}
}
return this->onGetAndroidPixels(info, pixels, rowBytes, *options);
}
bool SkPixmap::readPixels(const SkImageInfo& requestedDstInfo, void* dstPixels, size_t dstRB,
int x, int y) const {
if (kUnknown_SkColorType == requestedDstInfo.colorType()) {
return false;
}
if (nullptr == dstPixels || dstRB < requestedDstInfo.minRowBytes()) {
return false;
}
if (0 == requestedDstInfo.width() || 0 == requestedDstInfo.height()) {
return false;
}
SkIRect srcR = SkIRect::MakeXYWH(x, y, requestedDstInfo.width(), requestedDstInfo.height());
if (!srcR.intersect(0, 0, this->width(), this->height())) {
return false;
}
// the intersect may have shrunk info's logical size
const SkImageInfo dstInfo = requestedDstInfo.makeWH(srcR.width(), srcR.height());
// if x or y are negative, then we have to adjust pixels
if (x > 0) {
x = 0;
}
if (y > 0) {
y = 0;
}
// here x,y are either 0 or negative
dstPixels = ((char*)dstPixels - y * dstRB - x * dstInfo.bytesPerPixel());
const SkImageInfo srcInfo = this->info().makeWH(dstInfo.width(), dstInfo.height());
const void* srcPixels = this->addr(srcR.x(), srcR.y());
return SkPixelInfo::CopyPixels(dstInfo, dstPixels, dstRB,
srcInfo, srcPixels, this->rowBytes(), this->ctable());
}
static SkImage* create_rasterproc_image(RasterDataHolder* dataHolder) {
SkASSERT(dataHolder);
SkImageInfo info;
SkAutoTUnref<SkData> data(create_image_data(&info));
dataHolder->fData.reset(SkRef(data.get()));
return SkImage::NewFromRaster(info, data->data(), info.minRowBytes(),
RasterDataHolder::Release, dataHolder);
}
static void test_allocpixels(skiatest::Reporter* reporter) {
const int width = 10;
const int height = 10;
const SkImageInfo info = SkImageInfo::MakeN32Premul(width, height);
const size_t explicitRowBytes = info.minRowBytes() + 24;
SkBitmap bm;
bm.setInfo(info);
REPORTER_ASSERT(reporter, info.minRowBytes() == bm.rowBytes());
bm.allocPixels();
REPORTER_ASSERT(reporter, info.minRowBytes() == bm.rowBytes());
bm.reset();
bm.allocPixels(info);
REPORTER_ASSERT(reporter, info.minRowBytes() == bm.rowBytes());
bm.setInfo(info, explicitRowBytes);
REPORTER_ASSERT(reporter, explicitRowBytes == bm.rowBytes());
bm.allocPixels();
REPORTER_ASSERT(reporter, explicitRowBytes == bm.rowBytes());
bm.reset();
bm.allocPixels(info, explicitRowBytes);
REPORTER_ASSERT(reporter, explicitRowBytes == bm.rowBytes());
bm.reset();
bm.setInfo(info, 0);
REPORTER_ASSERT(reporter, info.minRowBytes() == bm.rowBytes());
bm.reset();
bm.allocPixels(info, 0);
REPORTER_ASSERT(reporter, info.minRowBytes() == bm.rowBytes());
bm.reset();
bool success = bm.setInfo(info, info.minRowBytes() - 1); // invalid for 32bit
REPORTER_ASSERT(reporter, !success);
REPORTER_ASSERT(reporter, bm.isNull());
}
static SkImage* create_codec_image() {
SkImageInfo info;
SkAutoTUnref<SkData> data(create_image_data(&info));
SkBitmap bitmap;
bitmap.installPixels(info, data->writable_data(), info.minRowBytes());
SkAutoTUnref<SkData> src(
SkImageEncoder::EncodeData(bitmap, SkImageEncoder::kPNG_Type, 100));
return SkImage::NewFromEncoded(src);
}
SkCodec::Result SkAndroidCodec::getAndroidPixels(const SkImageInfo& requestInfo,
void* requestPixels, size_t requestRowBytes, const AndroidOptions* options) {
if (!requestPixels) {
return SkCodec::kInvalidParameters;
}
if (requestRowBytes < requestInfo.minRowBytes()) {
return SkCodec::kInvalidParameters;
}
SkImageInfo adjustedInfo = fInfo;
if (ExifOrientationBehavior::kRespect == fOrientationBehavior
&& SkPixmapPriv::ShouldSwapWidthHeight(fCodec->getOrigin())) {
adjustedInfo = SkPixmapPriv::SwapWidthHeight(adjustedInfo);
}
AndroidOptions defaultOptions;
if (!options) {
options = &defaultOptions;
} else if (options->fSubset) {
if (!is_valid_subset(*options->fSubset, adjustedInfo.dimensions())) {
return SkCodec::kInvalidParameters;
}
if (SkIRect::MakeSize(adjustedInfo.dimensions()) == *options->fSubset) {
// The caller wants the whole thing, rather than a subset. Modify
// the AndroidOptions passed to onGetAndroidPixels to not specify
// a subset.
defaultOptions = *options;
defaultOptions.fSubset = nullptr;
options = &defaultOptions;
}
}
if (ExifOrientationBehavior::kIgnore == fOrientationBehavior) {
return this->onGetAndroidPixels(requestInfo, requestPixels, requestRowBytes, *options);
}
SkCodec::Result result;
auto decode = [this, options, &result](const SkPixmap& pm) {
result = this->onGetAndroidPixels(pm.info(), pm.writable_addr(), pm.rowBytes(), *options);
return acceptable_result(result);
};
SkPixmap dst(requestInfo, requestPixels, requestRowBytes);
if (SkPixmapPriv::Orient(dst, fCodec->getOrigin(), decode)) {
return result;
}
// Orient returned false. If onGetAndroidPixels succeeded, then Orient failed internally.
if (acceptable_result(result)) {
return SkCodec::kInternalError;
}
return result;
}
// https://code.google.com/p/chromium/issues/detail?id=446164
static void test_bigalloc(skiatest::Reporter* reporter) {
const int width = 0x40000001;
const int height = 0x00000096;
const SkImageInfo info = SkImageInfo::MakeN32Premul(width, height);
SkBitmap bm;
REPORTER_ASSERT(reporter, !bm.tryAllocPixels(info));
sk_sp<SkPixelRef> pr = SkMallocPixelRef::MakeAllocate(info, info.minRowBytes());
REPORTER_ASSERT(reporter, !pr);
}
ImagePattern::ImagePattern(PassRefPtr<Image> image, RepeatMode repeatMode)
: Pattern(repeatMode)
, m_tileImage(image->imageForCurrentFrame())
{
if (m_tileImage) {
// TODO(fmalita): mechanism to extract the actual SkImageInfo from an SkImage?
const SkImageInfo info =
SkImageInfo::MakeN32Premul(m_tileImage->width(), m_tileImage->height());
adjustExternalMemoryAllocated(info.getSafeSize(info.minRowBytes()));
}
}
bool DecodingImageGenerator::getPixels(const SkImageInfo& info,
void* pixels,
size_t rowBytes) {
if (NULL == pixels) {
return false;
}
if (fInfo != info) {
// The caller has specified a different info. This is an
// error for this kind of SkImageGenerator. Use the Options
// to change the settings.
return false;
}
if (info.minRowBytes() > rowBytes) {
// The caller has specified a bad rowBytes.
return false;
}
SkAssertResult(fStream->rewind());
SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(fStream));
if (NULL == decoder.get()) {
return false;
}
decoder->setDitherImage(fDitherImage);
decoder->setSampleSize(fSampleSize);
decoder->setRequireUnpremultipliedColors(
info.fAlphaType == kUnpremul_SkAlphaType);
SkBitmap bitmap;
TargetAllocator allocator(fInfo, pixels, rowBytes);
decoder->setAllocator(&allocator);
// TODO: need to be able to pass colortype directly to decoder
SkBitmap::Config legacyConfig = SkColorTypeToBitmapConfig(info.colorType());
bool success = decoder->decode(fStream, &bitmap, legacyConfig,
SkImageDecoder::kDecodePixels_Mode);
decoder->setAllocator(NULL);
if (!success) {
return false;
}
if (allocator.isReady()) { // Did not use pixels!
SkBitmap bm;
SkASSERT(bitmap.canCopyTo(info.colorType()));
bool copySuccess = bitmap.copyTo(&bm, info.colorType(), &allocator);
if (!copySuccess || allocator.isReady()) {
SkDEBUGFAIL("bitmap.copyTo(requestedConfig) failed.");
// Earlier we checked canCopyto(); we expect consistency.
return false;
}
SkASSERT(check_alpha(info.alphaType(), bm.alphaType()));
} else {
SkASSERT(check_alpha(info.alphaType(), bitmap.alphaType()));
}
return true;
}
DEF_TEST(ImageDataRef, reporter) {
SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1);
size_t rowBytes = info.minRowBytes();
size_t size = info.getSafeSize(rowBytes);
SkData* data = SkData::NewUninitialized(size);
REPORTER_ASSERT(reporter, data->unique());
SkImage* image = SkImage::NewRasterData(info, data, rowBytes);
REPORTER_ASSERT(reporter, !data->unique());
image->unref();
REPORTER_ASSERT(reporter, data->unique());
data->unref();
}
sk_sp<SkImage> SkImage::makeRasterImage() const {
SkPixmap pm;
if (this->peekPixels(&pm)) {
return sk_ref_sp(const_cast<SkImage*>(this));
}
const SkImageInfo info = as_IB(this)->onImageInfo();
const size_t rowBytes = info.minRowBytes();
size_t size = info.computeByteSize(rowBytes);
if (SkImageInfo::ByteSizeOverflowed(size)) {
return nullptr;
}
sk_sp<SkData> data = SkData::MakeUninitialized(size);
pm = { info.makeColorSpace(nullptr), data->writable_data(), info.minRowBytes() };
if (!this->readPixels(pm, 0, 0)) {
return nullptr;
}
return SkImage::MakeRasterData(info, std::move(data), rowBytes);
}
bool SkBaseDevice::readPixels(const SkImageInfo& info, void* dstP, size_t rowBytes, int x, int y) {
#ifdef SK_DEBUG
SkASSERT(info.width() > 0 && info.height() > 0);
SkASSERT(dstP);
SkASSERT(rowBytes >= info.minRowBytes());
SkASSERT(x >= 0 && y >= 0);
const SkImageInfo& srcInfo = this->imageInfo();
SkASSERT(x + info.width() <= srcInfo.width());
SkASSERT(y + info.height() <= srcInfo.height());
#endif
return this->onReadPixels(info, dstP, rowBytes, x, y);
}
// TODO(ccameron): ImagePattern should not draw to a globally set color space.
// https://crbug.com/672306
ImagePattern::ImagePattern(PassRefPtr<Image> image, RepeatMode repeatMode)
: Pattern(repeatMode),
m_tileImage(image->imageForCurrentFrame(
ColorBehavior::transformToGlobalTarget())) {
m_previousLocalMatrix.setIdentity();
if (m_tileImage) {
// TODO(fmalita): mechanism to extract the actual SkImageInfo from an
// SkImage?
const SkImageInfo info = SkImageInfo::MakeN32Premul(
m_tileImage->width() + (isRepeatX() ? 0 : 2),
m_tileImage->height() + (isRepeatY() ? 0 : 2));
adjustExternalMemoryAllocated(info.getSafeSize(info.minRowBytes()));
}
}
bool SkBaseDevice::writePixels(const SkImageInfo& info, const void* pixels, size_t rowBytes,
int x, int y) {
#ifdef SK_DEBUG
SkASSERT(info.width() > 0 && info.height() > 0);
SkASSERT(pixels);
SkASSERT(rowBytes >= info.minRowBytes());
SkASSERT(x >= 0 && y >= 0);
const SkImageInfo& dstInfo = this->imageInfo();
SkASSERT(x + info.width() <= dstInfo.width());
SkASSERT(y + info.height() <= dstInfo.height());
#endif
return this->onWritePixels(info, pixels, rowBytes, x, y);
}
void draw(SkCanvas* canvas) {
std::vector<uint32_t> srcPixels;
constexpr int width = 256;
constexpr int height = 256;
srcPixels.resize(width * height);
SkImageInfo imageInfo = SkImageInfo::MakeN32Premul(width, height);
SkPixmap pixmap(imageInfo, &srcPixels.front(), imageInfo.minRowBytes());
pixmap.erase(SK_ColorTRANSPARENT);
pixmap.erase(SK_ColorRED, { 24, 24, 192, 192 } );
pixmap.erase(SK_ColorTRANSPARENT, { 48, 48, 168, 168 } );
SkBitmap bitmap;
bitmap.installPixels(pixmap);
canvas->drawBitmap(bitmap, 0, 0);
canvas->drawBitmap(bitmap, 48, 48);
}
void draw(SkCanvas* canvas) {
canvas->scale(16, 16);
SkBitmap bitmap;
SkImageInfo imageInfo = SkImageInfo::Make(2, 2, kRGB_565_SkColorType, kOpaque_SkAlphaType);
bitmap.allocPixels(imageInfo);
SkCanvas offscreen(bitmap);
offscreen.clear(SK_ColorGREEN);
canvas->drawBitmap(bitmap, 0, 0);
auto pack565 = [](unsigned r, unsigned g, unsigned b) -> uint16_t {
return (b << 0) | (g << 5) | (r << 11);
};
uint16_t red565[] = { pack565(0x1F, 0x00, 0x00), pack565(0x17, 0x00, 0x00),
pack565(0x0F, 0x00, 0x00), pack565(0x07, 0x00, 0x00) };
uint16_t blue565[] = { pack565(0x00, 0x00, 0x1F), pack565(0x00, 0x00, 0x17),
pack565(0x00, 0x00, 0x0F), pack565(0x00, 0x00, 0x07) };
SkPixmap redPixmap(imageInfo, &red565, imageInfo.minRowBytes());
if (bitmap.writePixels(redPixmap, 0, 0)) {
canvas->drawBitmap(bitmap, 2, 2);
}
SkPixmap bluePixmap(imageInfo, &blue565, imageInfo.minRowBytes());
if (bitmap.writePixels(bluePixmap, 0, 0)) {
canvas->drawBitmap(bitmap, 4, 4);
}
}
SkSpecialSurface_Raster(const SkImageInfo& info,
sk_sp<SkPixelRef> pr,
const SkIRect& subset,
const SkSurfaceProps* props)
: INHERITED(subset, props) {
SkASSERT(info.width() == pr->width() && info.height() == pr->height());
fBitmap.setInfo(info, info.minRowBytes());
fBitmap.setPixelRef(std::move(pr), 0, 0);
fCanvas.reset(new SkCanvas(fBitmap, this->props()));
fCanvas->clipRect(SkRect::Make(subset));
#ifdef SK_IS_BOT
fCanvas->clear(SK_ColorRED); // catch any imageFilter sloppiness
#endif
}
void draw(SkCanvas* canvas) {
SkRandom random;
SkBitmap bitmap;
const int width = 8;
const int height = 8;
uint32_t pixels[width * height];
for (unsigned x = 0; x < width * height; ++x) {
pixels[x] = random.nextU();
}
SkImageInfo info = SkImageInfo::MakeN32(width, height, kUnpremul_SkAlphaType);
if (bitmap.installPixels(info, pixels, info.minRowBytes())) {
canvas->scale(32, 32);
canvas->drawBitmap(bitmap, 0, 0);
}
}
static void test_peek(skiatest::Reporter* reporter, SkImage* image, bool expectPeekSuccess) {
SkImageInfo info;
size_t rowBytes;
const void* addr = image->peekPixels(&info, &rowBytes);
bool success = SkToBool(addr);
REPORTER_ASSERT(reporter, expectPeekSuccess == success);
if (success) {
REPORTER_ASSERT(reporter, 20 == info.width());
REPORTER_ASSERT(reporter, 20 == info.height());
REPORTER_ASSERT(reporter, kN32_SkColorType == info.colorType());
REPORTER_ASSERT(reporter, kPremul_SkAlphaType == info.alphaType() ||
kOpaque_SkAlphaType == info.alphaType());
REPORTER_ASSERT(reporter, info.minRowBytes() <= rowBytes);
REPORTER_ASSERT(reporter, SkPreMultiplyColor(SK_ColorWHITE) == *(const SkPMColor*)addr);
}
}
sk_sp<SkImage> SkImage::makeNonTextureImage() const {
if (!this->isTextureBacked()) {
return sk_ref_sp(const_cast<SkImage*>(this));
}
SkImageInfo info = as_IB(this)->onImageInfo();
size_t rowBytes = info.minRowBytes();
size_t size = info.getSafeSize(rowBytes);
auto data = SkData::MakeUninitialized(size);
if (!data) {
return nullptr;
}
SkPixmap pm(info, data->writable_data(), rowBytes);
if (!this->readPixels(pm, 0, 0, kDisallow_CachingHint)) {
return nullptr;
}
return MakeRasterData(info, data, rowBytes);
}
SkCodec::Result SkCodec::getPixels(const SkImageInfo& info, void* pixels, size_t rowBytes,
const Options* options, SkPMColor ctable[], int* ctableCount) {
if (kUnknown_SkColorType == info.colorType()) {
return kInvalidConversion;
}
if (NULL == pixels) {
return kInvalidParameters;
}
if (rowBytes < info.minRowBytes()) {
return kInvalidParameters;
}
if (kIndex_8_SkColorType == info.colorType()) {
if (NULL == ctable || NULL == ctableCount) {
return kInvalidParameters;
}
} else {
if (ctableCount) {
*ctableCount = 0;
}
ctableCount = NULL;
ctable = NULL;
}
{
SkAlphaType canonical;
if (!SkColorTypeValidateAlphaType(info.colorType(), info.alphaType(), &canonical)
|| canonical != info.alphaType())
{
return kInvalidConversion;
}
}
// Default options.
Options optsStorage;
if (NULL == options) {
options = &optsStorage;
}
const Result result = this->onGetPixels(info, pixels, rowBytes, *options, ctable, ctableCount);
if ((kIncompleteInput == result || kSuccess == result) && ctableCount) {
SkASSERT(*ctableCount >= 0 && *ctableCount <= 256);
}
return result;
}
sk_sp<SkPixelRef> SkMallocPixelRef::MakeWithData(const SkImageInfo& info,
size_t rowBytes,
sk_sp<SkColorTable> ctable,
sk_sp<SkData> data) {
SkASSERT(data != nullptr);
if (!is_valid(info, ctable.get())) {
return nullptr;
}
if ((rowBytes < info.minRowBytes()) || (data->size() < info.getSafeSize(rowBytes))) {
return nullptr;
}
// must get this address before we call release
void* pixels = const_cast<void*>(data->data());
SkPixelRef* pr = new SkMallocPixelRef(info, pixels, rowBytes, std::move(ctable),
sk_data_releaseproc, data.release());
pr->setImmutable(); // since we were created with (immutable) data
return sk_sp<SkPixelRef>(pr);
}