| #include "DMSrcSink.h" |
| #include "SamplePipeControllers.h" |
| #include "SkCommonFlags.h" |
| #include "SkDocument.h" |
| #include "SkError.h" |
| #include "SkMultiPictureDraw.h" |
| #include "SkNullCanvas.h" |
| #include "SkOSFile.h" |
| #include "SkPictureRecorder.h" |
| #include "SkRandom.h" |
| #include "SkSVGCanvas.h" |
| #include "SkStream.h" |
| #include "SkXMLWriter.h" |
| |
| namespace DM { |
| |
| GMSrc::GMSrc(skiagm::GMRegistry::Factory factory) : fFactory(factory) {} |
| |
| Error GMSrc::draw(SkCanvas* canvas) const { |
| SkAutoTDelete<skiagm::GM> gm(fFactory(NULL)); |
| canvas->concat(gm->getInitialTransform()); |
| gm->draw(canvas); |
| return ""; |
| } |
| |
| SkISize GMSrc::size() const { |
| SkAutoTDelete<skiagm::GM> gm(fFactory(NULL)); |
| return gm->getISize(); |
| } |
| |
| Name GMSrc::name() const { |
| SkAutoTDelete<skiagm::GM> gm(fFactory(NULL)); |
| return gm->getName(); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| ImageSrc::ImageSrc(Path path, int divisor) : fPath(path), fDivisor(divisor) {} |
| |
| Error ImageSrc::draw(SkCanvas* canvas) const { |
| SkAutoTUnref<SkData> encoded(SkData::NewFromFileName(fPath.c_str())); |
| if (!encoded) { |
| return SkStringPrintf("Couldn't read %s.", fPath.c_str()); |
| } |
| const SkColorType dstColorType = canvas->imageInfo().colorType(); |
| if (fDivisor == 0) { |
| // Decode the full image. |
| SkBitmap bitmap; |
| if (!SkImageDecoder::DecodeMemory(encoded->data(), encoded->size(), &bitmap, |
| dstColorType, SkImageDecoder::kDecodePixels_Mode)) { |
| return SkStringPrintf("Couldn't decode %s.", fPath.c_str()); |
| } |
| encoded.reset((SkData*)NULL); // Might as well drop this when we're done with it. |
| canvas->drawBitmap(bitmap, 0,0); |
| return ""; |
| } |
| // Decode subsets. This is a little involved. |
| SkAutoTDelete<SkMemoryStream> stream(new SkMemoryStream(encoded)); |
| SkAutoTDelete<SkImageDecoder> decoder(SkImageDecoder::Factory(stream.get())); |
| if (!decoder) { |
| return SkStringPrintf("Can't find a good decoder for %s.", fPath.c_str()); |
| } |
| stream->rewind(); |
| int w,h; |
| if (!decoder->buildTileIndex(stream.detach(), &w, &h) || w*h == 1) { |
| return ""; // Not an error. Subset decoding is not always supported. |
| } |
| |
| // Divide the image into subsets that cover the entire image. |
| if (fDivisor > w || fDivisor > h) { |
| return SkStringPrintf("divisor %d is too big for %s with dimensions (%d x %d)", |
| fDivisor, fPath.c_str(), w, h); |
| } |
| const int subsetWidth = w / fDivisor, |
| subsetHeight = h / fDivisor; |
| for (int y = 0; y < h; y += subsetHeight) { |
| for (int x = 0; x < w; x += subsetWidth) { |
| SkBitmap subset; |
| SkIRect rect = SkIRect::MakeXYWH(x, y, subsetWidth, subsetHeight); |
| if (!decoder->decodeSubset(&subset, rect, dstColorType)) { |
| return SkStringPrintf("Could not decode subset (%d, %d, %d, %d).", |
| x, y, x+subsetWidth, y+subsetHeight); |
| } |
| canvas->drawBitmap(subset, SkIntToScalar(x), SkIntToScalar(y)); |
| } |
| } |
| return ""; |
| } |
| |
| SkISize ImageSrc::size() const { |
| SkAutoTUnref<SkData> encoded(SkData::NewFromFileName(fPath.c_str())); |
| SkBitmap bitmap; |
| if (!encoded || !SkImageDecoder::DecodeMemory(encoded->data(), |
| encoded->size(), |
| &bitmap, |
| kUnknown_SkColorType, |
| SkImageDecoder::kDecodeBounds_Mode)) { |
| return SkISize::Make(0,0); |
| } |
| return bitmap.dimensions(); |
| } |
| |
| Name ImageSrc::name() const { |
| return SkOSPath::Basename(fPath.c_str()); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| static const SkRect kSKPViewport = {0,0, 1000,1000}; |
| |
| SKPSrc::SKPSrc(Path path) : fPath(path) {} |
| |
| Error SKPSrc::draw(SkCanvas* canvas) const { |
| SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(fPath.c_str())); |
| if (!stream) { |
| return SkStringPrintf("Couldn't read %s.", fPath.c_str()); |
| } |
| SkAutoTUnref<SkPicture> pic(SkPicture::CreateFromStream(stream)); |
| if (!pic) { |
| return SkStringPrintf("Couldn't decode %s as a picture.", fPath.c_str()); |
| } |
| stream.reset((SkStream*)NULL); // Might as well drop this when we're done with it. |
| canvas->clipRect(kSKPViewport); |
| canvas->drawPicture(pic); |
| return ""; |
| } |
| |
| SkISize SKPSrc::size() const { |
| // This may be unnecessarily large. |
| return kSKPViewport.roundOut().size(); |
| } |
| |
| Name SKPSrc::name() const { return SkOSPath::Basename(fPath.c_str()); } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| Error NullSink::draw(const Src& src, SkBitmap*, SkWStream*, SkString*) const { |
| SkAutoTDelete<SkCanvas> canvas(SkCreateNullCanvas()); |
| return src.draw(canvas); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| DEFINE_bool(gpuStats, false, "Append GPU stats to the log for each GPU task?"); |
| |
| GPUSink::GPUSink(GrContextFactory::GLContextType ct, |
| GrGLStandard api, |
| int samples, |
| bool dfText, |
| bool threaded) |
| : fContextType(ct) |
| , fGpuAPI(api) |
| , fSampleCount(samples) |
| , fUseDFText(dfText) |
| , fThreaded(threaded) {} |
| |
| int GPUSink::enclave() const { |
| return fThreaded ? kAnyThread_Enclave : kGPU_Enclave; |
| } |
| |
| void PreAbandonGpuContextErrorHandler(SkError, void*) {} |
| |
| Error GPUSink::draw(const Src& src, SkBitmap* dst, SkWStream*, SkString* log) const { |
| GrContextFactory factory; |
| const SkISize size = src.size(); |
| const SkImageInfo info = |
| SkImageInfo::Make(size.width(), size.height(), kN32_SkColorType, kPremul_SkAlphaType); |
| SkAutoTUnref<SkSurface> surface( |
| NewGpuSurface(&factory, fContextType, fGpuAPI, info, fSampleCount, fUseDFText)); |
| if (!surface) { |
| return "Could not create a surface."; |
| } |
| if (FLAGS_preAbandonGpuContext) { |
| SkSetErrorCallback(&PreAbandonGpuContextErrorHandler, NULL); |
| factory.abandonContexts(); |
| } |
| SkCanvas* canvas = surface->getCanvas(); |
| Error err = src.draw(canvas); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| canvas->flush(); |
| if (FLAGS_gpuStats) { |
| canvas->getGrContext()->dumpCacheStats(log); |
| canvas->getGrContext()->dumpGpuStats(log); |
| } |
| dst->allocPixels(info); |
| canvas->readPixels(dst, 0, 0); |
| if (FLAGS_abandonGpuContext) { |
| factory.abandonContexts(); |
| } |
| return ""; |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| PDFSink::PDFSink() {} |
| |
| Error PDFSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const { |
| // Print the given DM:Src to a PDF, breaking on 8.5x11 pages. |
| SkAutoTUnref<SkDocument> doc(SkDocument::CreatePDF(dst)); |
| |
| int width = src.size().width(), |
| height = src.size().height(); |
| |
| const int kLetterWidth = 612, // 8.5 * 72 |
| kLetterHeight = 792; // 11 * 72 |
| const SkRect letter = SkRect::MakeWH(SkIntToScalar(kLetterWidth), |
| SkIntToScalar(kLetterHeight)); |
| |
| int xPages = ((width - 1) / kLetterWidth) + 1; |
| int yPages = ((height - 1) / kLetterHeight) + 1; |
| |
| for (int y = 0; y < yPages; ++y) { |
| for (int x = 0; x < xPages; ++x) { |
| int w = SkTMin(kLetterWidth, width - (x * kLetterWidth)); |
| int h = SkTMin(kLetterHeight, height - (y * kLetterHeight)); |
| SkCanvas* canvas = |
| doc->beginPage(SkIntToScalar(w), SkIntToScalar(h)); |
| canvas->clipRect(letter); |
| canvas->translate(-letter.width() * x, -letter.height() * y); |
| Error err = src.draw(canvas); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| doc->endPage(); |
| } |
| } |
| doc->close(); |
| dst->flush(); |
| return ""; |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| SKPSink::SKPSink() {} |
| |
| Error SKPSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const { |
| SkSize size; |
| size = src.size(); |
| SkPictureRecorder recorder; |
| Error err = src.draw(recorder.beginRecording(size.width(), size.height())); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| SkAutoTUnref<SkPicture> pic(recorder.endRecording()); |
| pic->serialize(dst); |
| return ""; |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| SVGSink::SVGSink() {} |
| |
| Error SVGSink::draw(const Src& src, SkBitmap*, SkWStream* dst, SkString*) const { |
| SkAutoTDelete<SkXMLWriter> xmlWriter(SkNEW_ARGS(SkXMLStreamWriter, (dst))); |
| SkAutoTUnref<SkCanvas> canvas(SkSVGCanvas::Create( |
| SkRect::MakeWH(SkIntToScalar(src.size().width()), SkIntToScalar(src.size().height())), |
| xmlWriter)); |
| return src.draw(canvas); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| RasterSink::RasterSink(SkColorType colorType) : fColorType(colorType) {} |
| |
| Error RasterSink::draw(const Src& src, SkBitmap* dst, SkWStream*, SkString*) const { |
| const SkISize size = src.size(); |
| // If there's an appropriate alpha type for this color type, use it, otherwise use premul. |
| SkAlphaType alphaType = kPremul_SkAlphaType; |
| (void)SkColorTypeValidateAlphaType(fColorType, alphaType, &alphaType); |
| |
| dst->allocPixels(SkImageInfo::Make(size.width(), size.height(), fColorType, alphaType)); |
| dst->eraseColor(SK_ColorTRANSPARENT); |
| SkCanvas canvas(*dst); |
| return src.draw(&canvas); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| static SkISize auto_compute_translate(SkMatrix* matrix, int srcW, int srcH) { |
| SkRect bounds = SkRect::MakeIWH(srcW, srcH); |
| matrix->mapRect(&bounds); |
| matrix->postTranslate(-bounds.x(), -bounds.y()); |
| return SkISize::Make(SkScalarRoundToInt(bounds.width()), SkScalarRoundToInt(bounds.height())); |
| } |
| |
| ViaMatrix::ViaMatrix(SkMatrix matrix, Sink* sink) : fMatrix(matrix), fSink(sink) {} |
| |
| Error ViaMatrix::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| // We turn our arguments into a Src, then draw that Src into our Sink to fill bitmap or stream. |
| struct ProxySrc : public Src { |
| const Src& fSrc; |
| SkMatrix fMatrix; |
| SkISize fSize; |
| |
| ProxySrc(const Src& src, SkMatrix matrix) : fSrc(src), fMatrix(matrix) { |
| fSize = auto_compute_translate(&fMatrix, src.size().width(), src.size().height()); |
| } |
| |
| Error draw(SkCanvas* canvas) const SK_OVERRIDE { |
| canvas->concat(fMatrix); |
| return fSrc.draw(canvas); |
| } |
| SkISize size() const SK_OVERRIDE { return fSize; } |
| Name name() const SK_OVERRIDE { sk_throw(); return ""; } // No one should be calling this. |
| } proxy(src, fMatrix); |
| return fSink->draw(proxy, bitmap, stream, log); |
| } |
| |
| // Undoes any flip or 90 degree rotate without changing the scale of the bitmap. |
| // This should be pixel-preserving. |
| ViaUpright::ViaUpright(SkMatrix matrix, Sink* sink) : fMatrix(matrix), fSink(sink) {} |
| |
| Error ViaUpright::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| Error err = fSink->draw(src, bitmap, stream, log); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| |
| SkMatrix inverse; |
| if (!fMatrix.rectStaysRect() || !fMatrix.invert(&inverse)) { |
| return "Cannot upright --matrix."; |
| } |
| SkMatrix upright = SkMatrix::I(); |
| upright.setScaleX(SkScalarSignAsScalar(inverse.getScaleX())); |
| upright.setScaleY(SkScalarSignAsScalar(inverse.getScaleY())); |
| upright.setSkewX(SkScalarSignAsScalar(inverse.getSkewX())); |
| upright.setSkewY(SkScalarSignAsScalar(inverse.getSkewY())); |
| |
| SkBitmap uprighted; |
| SkISize size = auto_compute_translate(&upright, bitmap->width(), bitmap->height()); |
| uprighted.allocPixels(bitmap->info().makeWH(size.width(), size.height())); |
| |
| SkCanvas canvas(uprighted); |
| canvas.concat(upright); |
| SkPaint paint; |
| paint.setXfermodeMode(SkXfermode::kSrc_Mode); |
| canvas.drawBitmap(*bitmap, 0, 0, &paint); |
| |
| *bitmap = uprighted; |
| bitmap->lockPixels(); |
| return ""; |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| ViaPipe::ViaPipe(Sink* sink) : fSink(sink) {} |
| |
| Error ViaPipe::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| // We turn ourselves into another Src that draws our argument into bitmap/stream via pipe. |
| struct ProxySrc : public Src { |
| const Src& fSrc; |
| ProxySrc(const Src& src) : fSrc(src) {} |
| |
| Error draw(SkCanvas* canvas) const SK_OVERRIDE { |
| SkISize size = this->size(); |
| PipeController controller(canvas, &SkImageDecoder::DecodeMemory); |
| SkGPipeWriter pipe; |
| const uint32_t kFlags = 0; // We mirror SkDeferredCanvas, which doesn't use any flags. |
| return fSrc.draw(pipe.startRecording(&controller, kFlags, size.width(), size.height())); |
| } |
| SkISize size() const SK_OVERRIDE { return fSrc.size(); } |
| Name name() const SK_OVERRIDE { sk_throw(); return ""; } // No one should be calling this. |
| } proxy(src); |
| return fSink->draw(proxy, bitmap, stream, log); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| ViaSerialization::ViaSerialization(Sink* sink) : fSink(sink) {} |
| |
| Error ViaSerialization::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) |
| const { |
| // Record our Src into a picture. |
| SkSize size; |
| size = src.size(); |
| SkPictureRecorder recorder; |
| Error err = src.draw(recorder.beginRecording(size.width(), size.height())); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| SkAutoTUnref<SkPicture> pic(recorder.endRecording()); |
| |
| // Serialize it and then deserialize it. |
| SkDynamicMemoryWStream wStream; |
| pic->serialize(&wStream); |
| SkAutoTDelete<SkStream> rStream(wStream.detachAsStream()); |
| SkAutoTUnref<SkPicture> deserialized(SkPicture::CreateFromStream(rStream)); |
| |
| // Turn that deserialized picture into a Src, draw it into our Sink to fill bitmap or stream. |
| struct ProxySrc : public Src { |
| const SkPicture* fPic; |
| const SkISize fSize; |
| ProxySrc(const SkPicture* pic, SkISize size) : fPic(pic), fSize(size) {} |
| |
| Error draw(SkCanvas* canvas) const SK_OVERRIDE { |
| canvas->drawPicture(fPic); |
| return ""; |
| } |
| SkISize size() const SK_OVERRIDE { return fSize; } |
| Name name() const SK_OVERRIDE { sk_throw(); return ""; } // No one should be calling this. |
| } proxy(deserialized, src.size()); |
| return fSink->draw(proxy, bitmap, stream, log); |
| } |
| |
| /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/ |
| |
| ViaTiles::ViaTiles(int w, int h, SkBBHFactory* factory, Sink* sink) |
| : fW(w) |
| , fH(h) |
| , fFactory(factory) |
| , fSink(sink) {} |
| |
| Error ViaTiles::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const { |
| // Record our Src into a picture. |
| SkSize size; |
| size = src.size(); |
| SkPictureRecorder recorder; |
| Error err = src.draw(recorder.beginRecording(size.width(), size.height(), fFactory.get())); |
| if (!err.isEmpty()) { |
| return err; |
| } |
| SkAutoTUnref<SkPicture> pic(recorder.endRecording()); |
| |
| // Turn that picture into a Src that draws into our Sink via tiles + MPD. |
| struct ProxySrc : public Src { |
| const int fW, fH; |
| const SkPicture* fPic; |
| const SkISize fSize; |
| ProxySrc(int w, int h, const SkPicture* pic, SkISize size) |
| : fW(w), fH(h), fPic(pic), fSize(size) {} |
| |
| Error draw(SkCanvas* canvas) const SK_OVERRIDE { |
| const int xTiles = (fSize.width() + fW - 1) / fW, |
| yTiles = (fSize.height() + fH - 1) / fH; |
| SkMultiPictureDraw mpd(xTiles*yTiles); |
| SkTDArray<SkSurface*> surfaces; |
| surfaces.setReserve(xTiles*yTiles); |
| |
| SkImageInfo info = canvas->imageInfo().makeWH(fW, fH); |
| for (int j = 0; j < yTiles; j++) { |
| for (int i = 0; i < xTiles; i++) { |
| // This lets our ultimate Sink determine the best kind of surface. |
| // E.g., if it's a GpuSink, the surfaces and images are textures. |
| SkSurface* s = canvas->newSurface(info); |
| if (!s) { |
| s = SkSurface::NewRaster(info); // Some canvases can't create surfaces. |
| } |
| surfaces.push(s); |
| SkCanvas* c = s->getCanvas(); |
| c->translate(SkIntToScalar(-i * fW), |
| SkIntToScalar(-j * fH)); // Line up the canvas with this tile. |
| mpd.add(c, fPic); |
| } |
| } |
| mpd.draw(); |
| for (int j = 0; j < yTiles; j++) { |
| for (int i = 0; i < xTiles; i++) { |
| SkAutoTUnref<SkImage> image(surfaces[i+xTiles*j]->newImageSnapshot()); |
| canvas->drawImage(image, SkIntToScalar(i*fW), SkIntToScalar(j*fH)); |
| } |
| } |
| surfaces.unrefAll(); |
| return ""; |
| } |
| SkISize size() const SK_OVERRIDE { return fSize; } |
| Name name() const SK_OVERRIDE { sk_throw(); return ""; } // No one should be calling this. |
| } proxy(fW, fH, pic, src.size()); |
| return fSink->draw(proxy, bitmap, stream, log); |
| } |
| |
| } // namespace DM |
