/**
* Test that for Jpeg files that use the JFIF colorspace, they are
* directly embedded into the PDF (without re-encoding) when that
* makes sense.
*/
DEF_TEST(PDFJpegEmbedTest, r) {
const char test[] = "PDFJpegEmbedTest";
SkAutoTUnref<SkData> mandrillData(
load_resource(r, test, "mandrill_512_q075.jpg"));
SkAutoTUnref<SkData> cmykData(load_resource(r, test, "CMYK.jpg"));
if (!mandrillData || !cmykData) {
return;
}
////////////////////////////////////////////////////////////////////////////
SkDynamicMemoryWStream pdf;
SkAutoTUnref<SkDocument> document(SkDocument::CreatePDF(&pdf));
SkCanvas* canvas = document->beginPage(642, 1028);
canvas->clear(SK_ColorLTGRAY);
SkBitmap bm1(bitmap_from_data(mandrillData));
canvas->drawBitmap(bm1, 65.0, 0.0, nullptr);
SkBitmap bm2(bitmap_from_data(cmykData));
canvas->drawBitmap(bm2, 0.0, 512.0, nullptr);
canvas->flush();
document->endPage();
document->close();
SkAutoTUnref<SkData> pdfData(pdf.copyToData());
SkASSERT(pdfData);
pdf.reset();
REPORTER_ASSERT(r, is_subset_of(mandrillData, pdfData));
// This JPEG uses a nonstandard colorspace - it can not be
// embedded into the PDF directly.
REPORTER_ASSERT(r, !is_subset_of(cmykData, pdfData));
////////////////////////////////////////////////////////////////////////////
pdf.reset();
document.reset(SkDocument::CreatePDF(&pdf));
canvas = document->beginPage(642, 1028);
canvas->clear(SK_ColorLTGRAY);
SkAutoTUnref<SkImage> im1(SkImage::NewFromEncoded(mandrillData));
canvas->drawImage(im1, 65.0, 0.0, nullptr);
SkAutoTUnref<SkImage> im2(SkImage::NewFromEncoded(cmykData));
canvas->drawImage(im2, 0.0, 512.0, nullptr);
canvas->flush();
document->endPage();
document->close();
pdfData.reset(pdf.copyToData());
SkASSERT(pdfData);
pdf.reset();
REPORTER_ASSERT(r, is_subset_of(mandrillData, pdfData));
// This JPEG uses a nonstandard colorspace - it can not be
// embedded into the PDF directly.
REPORTER_ASSERT(r, !is_subset_of(cmykData, pdfData));
}
static SkImage* create_picture_image() {
SkPictureRecorder recorder;
SkCanvas* canvas = recorder.beginRecording(10, 10);
canvas->clear(SK_ColorCYAN);
SkAutoTUnref<SkPicture> picture(recorder.endRecording());
return SkImage::NewFromPicture(picture, SkISize::Make(10, 10), nullptr, nullptr);
};
static void render_picture(GrContext* grContext,
int width,
int height,
const SkPicture* picture,
const SkMatrix& matrix) {
SkASSERT(grContext);
if (!picture) {
SkDebugf(TAG "!picture\n");
return;
}
// Render to the default framebuffer render target.
GrBackendRenderTargetDesc desc;
desc.fWidth = width;
desc.fHeight = height;
desc.fConfig = kSkia8888_GrPixelConfig;
desc.fOrigin = kBottomLeft_GrSurfaceOrigin;
SkSurfaceProps surfaceProps(SkSurfaceProps::kUseDeviceIndependentFonts_Flag,
kUnknown_SkPixelGeometry);
// TODO: Check to see if we can keep the surface between draw calls.
SkAutoTUnref<SkSurface> surface(
SkSurface::NewFromBackendRenderTarget(
grContext, desc, &surfaceProps));
if (surface) {
SkCanvas* canvas = surface->getCanvas();
SkASSERT(canvas);
canvas->clear(SK_ColorGRAY);
canvas->concat(matrix);
SkRect cullRect = picture->cullRect();
canvas->clipRect(cullRect);
picture->playback(canvas);
canvas->flush();
}
}
void onDraw(SkCanvas* canvas) override {
SkPaint blurPaint;
SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create(5.0f, 5.0f));
blurPaint.setImageFilter(blur);
const SkScalar tile_size = SkIntToScalar(128);
SkRect bounds;
if (!canvas->getClipBounds(&bounds)) {
bounds.setEmpty();
}
int ts = SkScalarCeilToInt(tile_size);
SkImageInfo info = SkImageInfo::MakeN32Premul(ts, ts);
SkAutoTUnref<SkSurface> tileSurface(canvas->newSurface(info));
if (!tileSurface.get()) {
tileSurface.reset(SkSurface::NewRaster(info));
}
SkCanvas* tileCanvas = tileSurface->getCanvas();
for (SkScalar y = bounds.top(); y < bounds.bottom(); y += tile_size) {
for (SkScalar x = bounds.left(); x < bounds.right(); x += tile_size) {
tileCanvas->save();
tileCanvas->clear(0);
tileCanvas->translate(-x, -y);
SkRect rect = SkRect::MakeWH(WIDTH, HEIGHT);
tileCanvas->saveLayer(&rect, &blurPaint);
SkRRect rrect = SkRRect::MakeRectXY(rect.makeInset(20, 20), 25, 25);
tileCanvas->clipRRect(rrect, SkRegion::kDifference_Op, true);
SkPaint paint;
tileCanvas->drawRect(rect, paint);
tileCanvas->restore();
tileCanvas->restore();
canvas->drawImage(tileSurface->makeImageSnapshot().get(), x, y);
}
}
}
// Verify that associated bitmap cache entries are purged on SkImage destruction.
DEF_TEST(BitmapCache_discarded_image, reporter) {
// Cache entries associated with SkImages fall into two categories:
//
// 1) generated image bitmaps (managed by the image cacherator)
// 2) scaled/resampled bitmaps (cached when HQ filters are used)
//
// To exercise the first cache type, we use generated/picture-backed SkImages.
// To exercise the latter, we draw scaled bitmap images using HQ filters.
const SkMatrix xforms[] = {
SkMatrix::MakeScale(1, 1),
SkMatrix::MakeScale(1.7f, 0.5f),
};
for (size_t i = 0; i < SK_ARRAY_COUNT(xforms); ++i) {
test_discarded_image(reporter, xforms[i], []() {
auto surface(SkSurface::MakeRasterN32Premul(10, 10));
surface->getCanvas()->clear(SK_ColorCYAN);
return surface->makeImageSnapshot();
});
test_discarded_image(reporter, xforms[i], []() {
SkPictureRecorder recorder;
SkCanvas* canvas = recorder.beginRecording(10, 10);
canvas->clear(SK_ColorCYAN);
return SkImage::MakeFromPicture(recorder.finishRecordingAsPicture(),
SkISize::Make(10, 10), nullptr, nullptr,
SkImage::BitDepth::kU8,
SkColorSpace::MakeSRGB());
});
}
}
int main(int, char**) {
bool gl_ok = setup_gl_context();
srand(time(nullptr));
std::shared_ptr<SkSurface> surface = (gl_ok && rand() % 2) ? create_opengl_surface(320, 240)
: create_raster_surface(320, 240);
// Create a left-to-right green-to-purple gradient shader.
SkPoint pts[] = { {0,0}, {320,240} };
SkColor colors[] = { 0xFF00FF00, 0xFFFF00FF };
// Our text will draw with this paint: size 24, antialiased, with the shader.
SkPaint paint;
paint.setTextSize(24);
paint.setAntiAlias(true);
paint.setShader(SkGradientShader::MakeLinear(pts, colors, nullptr, 2, SkShader::kRepeat_TileMode));
// Draw to the surface via its SkCanvas.
SkCanvas* canvas = surface->getCanvas(); // We don't manage this pointer's lifetime.
static const char* msg = "Hello world!";
canvas->clear(SK_ColorWHITE);
canvas->drawText(msg, strlen(msg), 90,120, paint);
// Grab a snapshot of the surface as an immutable SkImage.
std::shared_ptr<SkImage> image = adopt(surface->newImageSnapshot());
// Encode that image as a .png into a blob in memory.
std::shared_ptr<SkData> png = adopt(image->encode(SkImageEncoder::kPNG_Type, 100));
// This code is no longer Skia-specific. We just dump the .png to disk. Any way works.
static const char* path = "example.png";
std::ofstream(path, std::ios::out | std::ios::binary)
.write((const char*)png->data(), png->size());
std::cout << "Wrote " << path << std::endl;
return 0;
}
static sk_sp<SkImage> create_gpu_image(GrContext* grContext) {
const SkImageInfo info = SkImageInfo::MakeN32(20, 20, kOpaque_SkAlphaType);
auto surface(SkSurface::MakeRenderTarget(grContext, SkBudgeted::kNo, info));
SkCanvas* canvas = surface->getCanvas();
canvas->clear(SK_ColorWHITE);
SkPaint paint;
paint.setColor(SK_ColorBLACK);
canvas->drawRect(SkRect::MakeXYWH(5, 5, 10, 10), paint);
return surface->makeImageSnapshot();
}
// Creates a bitmap and a matching image.
static sk_sp<SkImage> makebm(SkCanvas* origCanvas, SkBitmap* resultBM, int w, int h) {
SkImageInfo info = SkImageInfo::MakeN32Premul(w, h);
auto surface(sk_tool_utils::makeSurface(origCanvas, info));
SkCanvas* canvas = surface->getCanvas();
canvas->clear(SK_ColorTRANSPARENT);
SkScalar wScalar = SkIntToScalar(w);
SkScalar hScalar = SkIntToScalar(h);
SkPoint pt = { wScalar / 2, hScalar / 2 };
SkScalar radius = 4 * SkMaxScalar(wScalar, hScalar);
SkColor colors[] = { SK_ColorRED, SK_ColorYELLOW,
SK_ColorGREEN, SK_ColorMAGENTA,
SK_ColorBLUE, SK_ColorCYAN,
SK_ColorRED};
SkScalar pos[] = {0,
SK_Scalar1 / 6,
2 * SK_Scalar1 / 6,
3 * SK_Scalar1 / 6,
4 * SK_Scalar1 / 6,
5 * SK_Scalar1 / 6,
SK_Scalar1};
SkPaint paint;
SkRect rect = SkRect::MakeWH(wScalar, hScalar);
SkMatrix mat = SkMatrix::I();
for (int i = 0; i < 4; ++i) {
paint.setShader(SkGradientShader::MakeRadial(
pt, radius,
colors, pos,
SK_ARRAY_COUNT(colors),
SkShader::kRepeat_TileMode,
0, &mat));
canvas->drawRect(rect, paint);
rect.inset(wScalar / 8, hScalar / 8);
mat.postScale(SK_Scalar1 / 4, SK_Scalar1 / 4);
}
auto image = surface->makeImageSnapshot();
SkBitmap tempBM;
image->asLegacyBitmap(&tempBM);
// Let backends know we won't change this, so they don't have to deep copy it defensively.
tempBM.setImmutable();
*resultBM = tempBM;
return image;
}
// Test out the layer replacement functionality with and w/o a BBH
void test_replacements(skiatest::Reporter* r, GrContext* context, bool doReplace) {
sk_sp<SkPicture> pic;
{
SkPictureRecorder recorder;
SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight));
SkPaint paint;
canvas->saveLayer(nullptr, &paint);
canvas->clear(SK_ColorRED);
canvas->restore();
canvas->drawRect(SkRect::MakeWH(SkIntToScalar(kWidth / 2), SkIntToScalar(kHeight / 2)),
SkPaint());
pic = recorder.finishRecordingAsPicture();
}
SkAutoTUnref<GrTexture> texture;
SkPaint paint;
GrLayerCache* layerCache = context->getLayerCache();
if (doReplace) {
int key[1] = { 0 };
GrCachedLayer* layer = layerCache->findLayerOrCreate(pic->uniqueID(), 0, 2,
SkIRect::MakeWH(kWidth, kHeight),
SkIRect::MakeWH(kWidth, kHeight),
SkMatrix::I(), key, 1, &paint);
GrSurfaceDesc desc;
desc.fConfig = kSkia8888_GrPixelConfig;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = kWidth;
desc.fHeight = kHeight;
desc.fSampleCnt = 0;
// Giving the texture some initial data so the Gpu (specifically vulkan) does not complain
// when reading from an uninitialized texture.
SkAutoTMalloc<uint32_t> srcBuffer(kWidth*kHeight);
memset(srcBuffer.get(), 0, kWidth*kHeight*sizeof(uint32_t));
texture.reset(context->textureProvider()->createTexture(
desc, SkBudgeted::kNo, srcBuffer.get(), 0));
layer->setTexture(texture, SkIRect::MakeWH(kWidth, kHeight), false);
}
SkRecord rerecord;
SkRecorder canvas(&rerecord, kWidth, kHeight);
GrRecordReplaceDraw(pic.get(), &canvas, layerCache, SkMatrix::I(), nullptr/*callback*/);
int numLayers = count_instances_of_type<SkRecords::SaveLayer>(rerecord);
if (doReplace) {
REPORTER_ASSERT(r, 0 == numLayers);
} else {
REPORTER_ASSERT(r, 1 == numLayers);
}
}
SkCanvas* PictureRenderer::setupCanvas(int width, int height) {
SkCanvas* canvas;
switch(fDeviceType) {
case kBitmap_DeviceType: {
SkBitmap bitmap;
sk_tools::setup_bitmap(&bitmap, width, height);
canvas = SkNEW_ARGS(SkCanvas, (bitmap));
}
break;
#if SK_SUPPORT_GPU
#if SK_ANGLE
case kAngle_DeviceType:
// fall through
#endif
#if SK_MESA
case kMesa_DeviceType:
// fall through
#endif
case kGPU_DeviceType:
case kNVPR_DeviceType: {
SkAutoTUnref<GrSurface> target;
if (fGrContext) {
// create a render target to back the device
GrTextureDesc desc;
desc.fConfig = kSkia8888_GrPixelConfig;
desc.fFlags = kRenderTarget_GrTextureFlagBit;
desc.fWidth = width;
desc.fHeight = height;
desc.fSampleCnt = fSampleCount;
target.reset(fGrContext->createUncachedTexture(desc, NULL, 0));
}
if (NULL == target.get()) {
SkASSERT(0);
return NULL;
}
SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(target));
canvas = SkNEW_ARGS(SkCanvas, (device.get()));
break;
}
#endif
default:
SkASSERT(0);
return NULL;
}
setUpFilter(canvas, fDrawFilters);
this->scaleToScaleFactor(canvas);
// Pictures often lie about their extent (i.e., claim to be 100x100 but
// only ever draw to 90x100). Clear here so the undrawn portion will have
// a consistent color
canvas->clear(SK_ColorTRANSPARENT);
return canvas;
}
void makePicture() {
SkCanvas* canvas = fPicture.beginRecording(100, 100);
canvas->clear(0x00000000);
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(0xFFFFFFFF);
paint.setTextSize(SkIntToScalar(96));
const char* str = "e";
canvas->drawText(str, strlen(str), SkIntToScalar(20), SkIntToScalar(70), paint);
fPicture.endRecording();
}
sk_sp<SkSpecialImage> SkDropShadowImageFilter::onFilterImage(SkSpecialImage* source,
const Context& ctx,
SkIPoint* offset) const {
SkIPoint inputOffset = SkIPoint::Make(0, 0);
sk_sp<SkSpecialImage> input(this->filterInput(0, source, ctx, &inputOffset));
if (!input) {
return nullptr;
}
const SkIRect inputBounds = SkIRect::MakeXYWH(inputOffset.x(), inputOffset.y(),
input->width(), input->height());
SkIRect bounds;
if (!this->applyCropRect(ctx, inputBounds, &bounds)) {
return nullptr;
}
const SkImageInfo info = SkImageInfo::MakeN32(bounds.width(), bounds.height(),
kPremul_SkAlphaType);
sk_sp<SkSpecialSurface> surf(source->makeSurface(info));
if (!surf) {
return nullptr;
}
SkCanvas* canvas = surf->getCanvas();
SkASSERT(canvas);
canvas->clear(0x0);
SkVector sigma = SkVector::Make(fSigmaX, fSigmaY);
ctx.ctm().mapVectors(&sigma, 1);
sigma.fX = SkMaxScalar(0, sigma.fX);
sigma.fY = SkMaxScalar(0, sigma.fY);
SkAutoTUnref<SkImageFilter> blurFilter(SkBlurImageFilter::Create(sigma.fX, sigma.fY));
SkPaint paint;
paint.setImageFilter(blurFilter.get());
paint.setColorFilter(SkColorFilter::MakeModeFilter(fColor, SkXfermode::kSrcIn_Mode));
paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
SkVector offsetVec = SkVector::Make(fDx, fDy);
ctx.ctm().mapVectors(&offsetVec, 1);
canvas->translate(SkIntToScalar(inputOffset.fX - bounds.fLeft),
SkIntToScalar(inputOffset.fY - bounds.fTop));
input->draw(canvas, offsetVec.fX, offsetVec.fY, &paint);
if (fShadowMode == kDrawShadowAndForeground_ShadowMode) {
input->draw(canvas, 0, 0, nullptr);
}
offset->fX = bounds.fLeft;
offset->fY = bounds.fTop;
return surf->makeImageSnapshot();
}
sk_sp<SkSpecialImage> SkImageSource::onFilterImage(SkSpecialImage* source, const Context& ctx,
SkIPoint* offset) const {
SkRect dstRect;
ctx.ctm().mapRect(&dstRect, fDstRect);
SkRect bounds = SkRect::MakeIWH(fImage->width(), fImage->height());
if (fSrcRect == bounds) {
int iLeft = dstRect.fLeft;
int iTop = dstRect.fTop;
// TODO: this seems to be a very noise-prone way to determine this (esp. the floating-point
// widths & heights).
if (dstRect.width() == bounds.width() && dstRect.height() == bounds.height() &&
iLeft == dstRect.fLeft && iTop == dstRect.fTop) {
// The dest is just an un-scaled integer translation of the entire image; return it
offset->fX = iLeft;
offset->fY = iTop;
return SkSpecialImage::MakeFromImage(SkIRect::MakeWH(fImage->width(), fImage->height()),
fImage, ctx.outputProperties().colorSpace(),
&source->props());
}
}
const SkIRect dstIRect = dstRect.roundOut();
sk_sp<SkSpecialSurface> surf(source->makeSurface(ctx.outputProperties(), dstIRect.size()));
if (!surf) {
return nullptr;
}
SkCanvas* canvas = surf->getCanvas();
SkASSERT(canvas);
// TODO: it seems like this clear shouldn't be necessary (see skbug.com/5075)
canvas->clear(0x0);
SkPaint paint;
// Subtract off the integer component of the translation (will be applied in offset, below).
dstRect.offset(-SkIntToScalar(dstIRect.fLeft), -SkIntToScalar(dstIRect.fTop));
paint.setBlendMode(SkBlendMode::kSrc);
// FIXME: this probably shouldn't be necessary, but drawImageRect asserts
// None filtering when it's translate-only
paint.setFilterQuality(
fSrcRect.width() == dstRect.width() && fSrcRect.height() == dstRect.height() ?
kNone_SkFilterQuality : fFilterQuality);
canvas->drawImageRect(fImage.get(), fSrcRect, dstRect, &paint,
SkCanvas::kStrict_SrcRectConstraint);
offset->fX = dstIRect.fLeft;
offset->fY = dstIRect.fTop;
return surf->makeImageSnapshot();
}
static SkImage* make_image(GrContext* ctx, int w, int h, const SkIRect& ir) {
const SkImageInfo info = SkImageInfo::MakeN32(w, h, kOpaque_SkAlphaType);
SkAutoTUnref<SkSurface> surface(ctx ?
SkSurface::NewRenderTarget(ctx, SkSurface::kNo_Budgeted, info) :
SkSurface::NewRaster(info));
SkCanvas* canvas = surface->getCanvas();
canvas->clear(SK_ColorWHITE);
SkPaint paint;
paint.setColor(SK_ColorBLACK);
canvas->drawRect(SkRect::Make(ir), paint);
return surface->newImageSnapshot();
}
static sk_sp<SkPicture> make_picture() {
SkPictureRecorder recorder;
SkCanvas* canvas = recorder.beginRecording(100, 100, nullptr, 0);
canvas->clear(SK_ColorBLACK);
SkPaint paint;
paint.setAntiAlias(true);
sk_tool_utils::set_portable_typeface(&paint);
paint.setColor(0xFFFFFFFF);
paint.setTextSize(SkIntToScalar(96));
const char* str = "e";
canvas->drawText(str, strlen(str), SkIntToScalar(20), SkIntToScalar(70), paint);
return recorder.finishRecordingAsPicture();
}
static SkImage* create_circle_texture(int size, SkColor color) {
SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(size, size));
SkCanvas* canvas = surface->getCanvas();
canvas->clear(0xFF000000);
SkPaint paint;
paint.setColor(color);
paint.setStrokeWidth(3);
paint.setStyle(SkPaint::kStroke_Style);
canvas->drawCircle(SkScalarHalf(size), SkScalarHalf(size), SkScalarHalf(size), paint);
return surface->newImageSnapshot();
}
// Test out the layer replacement functionality with and w/o a BBH
void test_replacements(skiatest::Reporter* r, GrContext* context, bool doReplace) {
SkAutoTUnref<const SkPicture> pic;
{
SkPictureRecorder recorder;
SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight));
SkPaint paint;
canvas->saveLayer(nullptr, &paint);
canvas->clear(SK_ColorRED);
canvas->restore();
canvas->drawRect(SkRect::MakeWH(SkIntToScalar(kWidth / 2), SkIntToScalar(kHeight / 2)),
SkPaint());
pic.reset(recorder.endRecording());
}
SkAutoTUnref<GrTexture> texture;
SkPaint paint;
GrLayerCache* layerCache = context->getLayerCache();
if (doReplace) {
int key[1] = { 0 };
GrCachedLayer* layer = layerCache->findLayerOrCreate(pic->uniqueID(), 0, 2,
SkIRect::MakeWH(kWidth, kHeight),
SkIRect::MakeWH(kWidth, kHeight),
SkMatrix::I(), key, 1, &paint);
GrSurfaceDesc desc;
desc.fConfig = kSkia8888_GrPixelConfig;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = kWidth;
desc.fHeight = kHeight;
desc.fSampleCnt = 0;
texture.reset(context->textureProvider()->createTexture(
desc, SkBudgeted::kNo, nullptr, 0));
layer->setTexture(texture, SkIRect::MakeWH(kWidth, kHeight), false);
}
SkRecord rerecord;
SkRecorder canvas(&rerecord, kWidth, kHeight);
GrRecordReplaceDraw(pic, &canvas, layerCache, SkMatrix::I(), nullptr/*callback*/);
int numLayers = count_instances_of_type<SkRecords::SaveLayer>(rerecord);
if (doReplace) {
REPORTER_ASSERT(r, 0 == numLayers);
} else {
REPORTER_ASSERT(r, 1 == numLayers);
}
}
SkSpecialImage* SkOffsetImageFilter::onFilterImage(SkSpecialImage* source,
const Context& ctx,
SkIPoint* offset) const {
SkIPoint srcOffset = SkIPoint::Make(0, 0);
SkAutoTUnref<SkSpecialImage> input(this->filterInput(0, source, ctx, &srcOffset));
if (!input) {
return nullptr;
}
SkVector vec;
ctx.ctm().mapVectors(&vec, &fOffset, 1);
if (!this->cropRectIsSet()) {
offset->fX = srcOffset.fX + SkScalarRoundToInt(vec.fX);
offset->fY = srcOffset.fY + SkScalarRoundToInt(vec.fY);
return input.release();
} else {
SkIRect bounds;
SkIRect srcBounds = SkIRect::MakeWH(input->width(), input->height());
srcBounds.offset(srcOffset);
if (!this->applyCropRect(ctx, srcBounds, &bounds)) {
return nullptr;
}
SkImageInfo info = SkImageInfo::MakeN32(bounds.width(), bounds.height(),
kPremul_SkAlphaType);
sk_sp<SkSpecialSurface> surf(source->makeSurface(info));
if (!surf) {
return nullptr;
}
SkCanvas* canvas = surf->getCanvas();
SkASSERT(canvas);
// TODO: it seems like this clear shouldn't be necessary (see skbug.com/5075)
canvas->clear(0x0);
SkPaint paint;
paint.setXfermodeMode(SkXfermode::kSrc_Mode);
canvas->translate(SkIntToScalar(srcOffset.fX - bounds.fLeft),
SkIntToScalar(srcOffset.fY - bounds.fTop));
input->draw(canvas, vec.x(), vec.y(), &paint);
offset->fX = bounds.fLeft;
offset->fY = bounds.fTop;
return surf->makeImageSnapshot().release();
}
}
void GrLayerHoister::DrawLayersToAtlas(GrContext* context,
const SkTDArray<GrHoistedLayer>& atlased) {
if (atlased.count() > 0) {
// All the atlased layers are rendered into the same GrTexture
SkSurfaceProps props(0, kUnknown_SkPixelGeometry);
SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTargetDirect(
atlased[0].fLayer->texture()->asRenderTarget(), &props));
SkCanvas* atlasCanvas = surface->getCanvas();
for (int i = 0; i < atlased.count(); ++i) {
const GrCachedLayer* layer = atlased[i].fLayer;
const SkBigPicture* pict = atlased[i].fPicture->asSkBigPicture();
if (!pict) {
// TODO: can we assume / assert this?
continue;
}
const SkIPoint offset = SkIPoint::Make(layer->srcIR().fLeft, layer->srcIR().fTop);
SkDEBUGCODE(const SkPaint* layerPaint = layer->paint();)
SkASSERT(!layerPaint || !layerPaint->getImageFilter());
SkASSERT(!layer->filter());
atlasCanvas->save();
// Add a rect clip to make sure the rendering doesn't
// extend beyond the boundaries of the atlased sub-rect
const SkRect bound = SkRect::Make(layer->rect());
atlasCanvas->clipRect(bound);
atlasCanvas->clear(0);
// '-offset' maps the layer's top/left to the origin.
// Since this layer is atlased, the top/left corner needs
// to be offset to the correct location in the backing texture.
SkMatrix initialCTM;
initialCTM.setTranslate(SkIntToScalar(-offset.fX), SkIntToScalar(-offset.fY));
initialCTM.preTranslate(bound.fLeft, bound.fTop);
initialCTM.preConcat(atlased[i].fPreMat);
atlasCanvas->setMatrix(initialCTM);
atlasCanvas->concat(atlased[i].fLocalMat);
pict->partialPlayback(atlasCanvas, layer->start() + 1, layer->stop(), initialCTM);
atlasCanvas->restore();
}
atlasCanvas->flush();
}
static sk_sp<SkImage> make_gradient_circle(int width, int height) {
SkScalar x = SkIntToScalar(width / 2);
SkScalar y = SkIntToScalar(height / 2);
SkScalar radius = SkMinScalar(x, y) * 0.8f;
auto surface(SkSurface::MakeRasterN32Premul(width, height));
SkCanvas* canvas = surface->getCanvas();
canvas->clear(0x00000000);
SkColor colors[2];
colors[0] = SK_ColorWHITE;
colors[1] = SK_ColorBLACK;
SkPaint paint;
paint.setShader(SkGradientShader::MakeRadial(SkPoint::Make(x, y), radius, colors, nullptr,
2, SkTileMode::kClamp));
canvas->drawCircle(x, y, radius, paint);
return surface->makeImageSnapshot();
}
sk_sp<SkSpecialImage> SkOffsetImageFilter::onFilterImage(SkSpecialImage* source,
const Context& ctx,
SkIPoint* offset) const {
SkIPoint srcOffset = SkIPoint::Make(0, 0);
sk_sp<SkSpecialImage> input(this->filterInput(0, source, ctx, &srcOffset));
if (!input) {
return nullptr;
}
SkIPoint vec = map_offset_vector(ctx.ctm(), fOffset);
if (!this->cropRectIsSet()) {
offset->fX = Sk32_sat_add(srcOffset.fX, vec.fX);
offset->fY = Sk32_sat_add(srcOffset.fY, vec.fY);
return input;
} else {
SkIRect bounds;
SkIRect srcBounds = SkIRect::MakeWH(input->width(), input->height());
srcBounds.offset(srcOffset);
if (!this->applyCropRect(ctx, srcBounds, &bounds)) {
return nullptr;
}
sk_sp<SkSpecialSurface> surf(source->makeSurface(ctx.outputProperties(), bounds.size()));
if (!surf) {
return nullptr;
}
SkCanvas* canvas = surf->getCanvas();
SkASSERT(canvas);
// TODO: it seems like this clear shouldn't be necessary (see skbug.com/5075)
canvas->clear(0x0);
SkPaint paint;
paint.setBlendMode(SkBlendMode::kSrc);
canvas->translate(SkIntToScalar(srcOffset.fX - bounds.fLeft),
SkIntToScalar(srcOffset.fY - bounds.fTop));
input->draw(canvas, vec.fX, vec.fY, &paint);
offset->fX = bounds.fLeft;
offset->fY = bounds.fTop;
return surf->makeImageSnapshot();
}
}
// Return a larger (newWidth x newHeight) copy of 'src' with black padding
// around it.
static sk_sp<SkSpecialImage> pad_image(SkSpecialImage* src,
int newWidth, int newHeight, int offX, int offY) {
SkImageInfo info = SkImageInfo::MakeN32Premul(newWidth, newHeight);
sk_sp<SkSpecialSurface> surf(src->makeSurface(info));
if (!surf) {
return nullptr;
}
SkCanvas* canvas = surf->getCanvas();
SkASSERT(canvas);
canvas->clear(0x0);
src->draw(canvas, offX, offY, nullptr);
return surf->makeImageSnapshot();
}
void draw_child(skiatest::Reporter* reporter,
const sk_gpu_test::ContextInfo& childInfo,
const GrBackendTexture& backendTexture,
const GrBackendSemaphore& semaphore) {
childInfo.testContext()->makeCurrent();
const SkImageInfo childII = SkImageInfo::Make(CHILD_W, CHILD_H, kRGBA_8888_SkColorType,
kPremul_SkAlphaType);
GrContext* childCtx = childInfo.grContext();
sk_sp<SkSurface> childSurface(SkSurface::MakeRenderTarget(childCtx, SkBudgeted::kNo,
childII, 0, kTopLeft_GrSurfaceOrigin,
nullptr));
sk_sp<SkImage> childImage = SkImage::MakeFromTexture(childCtx,
backendTexture,
kTopLeft_GrSurfaceOrigin,
kRGBA_8888_SkColorType,
kPremul_SkAlphaType,
nullptr,
nullptr,
nullptr);
SkCanvas* childCanvas = childSurface->getCanvas();
childCanvas->clear(SK_ColorRED);
childSurface->wait(1, &semaphore);
childCanvas->drawImage(childImage, CHILD_W/2, 0);
SkPaint paint;
paint.setColor(SK_ColorGREEN);
SkIRect rect = SkIRect::MakeLTRB(0, CHILD_H/2, CHILD_W, CHILD_H);
childCanvas->drawIRect(rect, paint);
// read pixels
SkBitmap bitmap;
bitmap.allocPixels(childII);
childSurface->readPixels(bitmap, 0, 0);
check_pixels(reporter, bitmap);
}
void draw(SkCanvas* ) {
SkImageInfo info = SkImageInfo::MakeN32Premul(3, 3);
const size_t size = info.computeMinByteSize();
SkAutoTMalloc<SkPMColor> storage(size);
SkPMColor* pixels = storage.get();
sk_sp<SkSurface> surface(SkSurface::MakeRasterDirect(info, pixels, info.minRowBytes()));
SkCanvas* canvas = surface->getCanvas();
canvas->clear(SK_ColorWHITE);
SkPMColor pmWhite = pixels[0];
SkPaint paint;
canvas->drawPoint(1, 1, paint);
canvas->flush(); // ensure that point was drawn
for (int y = 0; y < info.height(); ++y) {
for (int x = 0; x < info.width(); ++x) {
SkDebugf("%c", *pixels++ == pmWhite ? '-' : 'x');
}
SkDebugf("\n");
}
}
/**
* Test that for Jpeg files that use the JFIF colorspace, they are
* directly embedded into the PDF (without re-encoding) when that
* makes sense.
*/
DEF_TEST(PDFJpegEmbedTest, r) {
const char test[] = "PDFJpegEmbedTest";
SkAutoTUnref<SkData> mandrillData(
load_resource(r, test, "mandrill_512_q075.jpg"));
SkAutoTUnref<SkData> cmykData(load_resource(r, test, "CMYK.jpg"));
if (!mandrillData || !cmykData) {
return;
}
SkDynamicMemoryWStream pdf;
SkAutoTUnref<SkDocument> document(SkDocument::CreatePDF(&pdf));
SkCanvas* canvas = document->beginPage(642, 1028);
canvas->clear(SK_ColorLTGRAY);
SkBitmap bm1(bitmap_from_data(mandrillData));
canvas->drawBitmap(bm1, 65.0, 0.0, NULL);
SkBitmap bm2(bitmap_from_data(cmykData));
canvas->drawBitmap(bm2, 0.0, 512.0, NULL);
canvas->flush();
document->endPage();
document->close();
SkAutoTUnref<SkData> pdfData(pdf.copyToData());
SkASSERT(pdfData);
pdf.reset();
// Test disabled, waiting on resolution to http://skbug.com/3180
// REPORTER_ASSERT(r, is_subset_of(mandrillData, pdfData));
// This JPEG uses a nonstandard colorspace - it can not be
// embedded into the PDF directly.
REPORTER_ASSERT(r, !is_subset_of(cmykData, pdfData));
// The following is for debugging purposes only.
const char* outputPath = getenv("SKIA_TESTS_PDF_JPEG_EMBED_OUTPUT_PATH");
if (outputPath) {
SkFILEWStream output(outputPath);
if (output.isValid()) {
output.write(pdfData->data(), pdfData->size());
}
}
}
DEF_TEST(Picture_preserveCullRect, r) {
SkPictureRecorder recorder;
SkCanvas* c = recorder.beginRecording(SkRect::MakeLTRB(1, 2, 3, 4));
c->clear(SK_ColorCYAN);
sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture());
SkDynamicMemoryWStream wstream;
picture->serialize(&wstream);
SkAutoTDelete<SkStream> rstream(wstream.detachAsStream());
sk_sp<SkPicture> deserializedPicture(SkPicture::MakeFromStream(rstream));
REPORTER_ASSERT(r, deserializedPicture != nullptr);
REPORTER_ASSERT(r, deserializedPicture->cullRect().left() == 1);
REPORTER_ASSERT(r, deserializedPicture->cullRect().top() == 2);
REPORTER_ASSERT(r, deserializedPicture->cullRect().right() == 3);
REPORTER_ASSERT(r, deserializedPicture->cullRect().bottom() == 4);
}
static sk_sp<SkImage> make_img() {
const SkImageInfo info = SkImageInfo::MakeN32Premul(WIDTH_HEIGHT, WIDTH_HEIGHT);
sk_sp<SkSurface> surf(SkSurface::MakeRaster(info));
SkCanvas* canvas = surf->getCanvas();
canvas->clear(0x0);
SkPaint paint;
paint.setColor(SK_ColorBLUE);
for (float pos = 0; pos < WIDTH_HEIGHT; pos += 16) {
canvas->drawLine(0, pos, SkIntToScalar(WIDTH_HEIGHT), pos, paint);
canvas->drawLine(pos, 0, pos, SkIntToScalar(WIDTH_HEIGHT), paint);
}
return surf->makeImageSnapshot();
}
sk_sp<SkSpecialImage> SkColorFilterImageFilter::onFilterImage(SkSpecialImage* source,
const Context& ctx,
SkIPoint* offset) const {
SkIPoint inputOffset = SkIPoint::Make(0, 0);
sk_sp<SkSpecialImage> input(this->filterInput(0, source, ctx, &inputOffset));
if (!input) {
return nullptr;
}
SkIRect bounds;
const SkIRect inputBounds = SkIRect::MakeXYWH(inputOffset.fX, inputOffset.fY,
input->width(), input->height());
if (!this->applyCropRect(ctx, inputBounds, &bounds)) {
return nullptr;
}
SkImageInfo info = SkImageInfo::MakeN32(bounds.width(), bounds.height(), kPremul_SkAlphaType);
sk_sp<SkSpecialSurface> surf(source->makeSurface(info));
if (!surf) {
return nullptr;
}
SkCanvas* canvas = surf->getCanvas();
SkASSERT(canvas);
// TODO: it seems like this clear shouldn't be necessary (see skbug.com/5075)
canvas->clear(0x0);
SkPaint paint;
paint.setXfermodeMode(SkXfermode::kSrc_Mode);
paint.setColorFilter(fColorFilter);
input->draw(canvas,
SkIntToScalar(inputOffset.fX - bounds.fLeft),
SkIntToScalar(inputOffset.fY - bounds.fTop),
&paint);
offset->fX = bounds.fLeft;
offset->fY = bounds.fTop;
return surf->makeImageSnapshot();
}
static sk_sp<SkImage> MakeAtlas(SkCanvas* caller, const SkRect& target) {
SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100);
auto surface(sk_tool_utils::makeSurface(caller, info));
SkCanvas* canvas = surface->getCanvas();
// draw red everywhere, but we don't expect to see it in the draw, testing the notion
// that drawAtlas draws a subset-region of the atlas.
canvas->clear(SK_ColorRED);
SkPaint paint;
paint.setBlendMode(SkBlendMode::kClear);
SkRect r(target);
r.inset(-1, -1);
// zero out a place (with a 1-pixel border) to land our drawing.
canvas->drawRect(r, paint);
paint.setBlendMode(SkBlendMode::kSrcOver);
paint.setColor(SK_ColorBLUE);
paint.setAntiAlias(true);
canvas->drawOval(target, paint);
return surface->makeImageSnapshot();
}
static void make_bitmap(SkBitmap* bitmap, GrContext* ctx, SkIRect* center) {
SkDevice* dev;
SkCanvas canvas;
const int kFixed = 28;
const int kStretchy = 8;
const int kSize = 2*kFixed + kStretchy;
#if SK_SUPPORT_GPU
if (ctx) {
dev = new SkGpuDevice(ctx, SkBitmap::kARGB_8888_Config, kSize, kSize);
*bitmap = dev->accessBitmap(false);
} else
#endif
{
bitmap->setConfig(SkBitmap::kARGB_8888_Config, kSize, kSize);
bitmap->allocPixels();
dev = new SkDevice(*bitmap);
}
canvas.setDevice(dev)->unref();
canvas.clear(0);
SkRect r = SkRect::MakeWH(SkIntToScalar(kSize), SkIntToScalar(kSize));
const SkScalar strokeWidth = SkIntToScalar(6);
const SkScalar radius = SkIntToScalar(kFixed) - strokeWidth/2;
center->setXYWH(kFixed, kFixed, kStretchy, kStretchy);
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(0xFFFF0000);
canvas.drawRoundRect(r, radius, radius, paint);
r.setXYWH(SkIntToScalar(kFixed), 0, SkIntToScalar(kStretchy), SkIntToScalar(kSize));
paint.setColor(0x8800FF00);
canvas.drawRect(r, paint);
r.setXYWH(0, SkIntToScalar(kFixed), SkIntToScalar(kSize), SkIntToScalar(kStretchy));
paint.setColor(0x880000FF);
canvas.drawRect(r, paint);
}