| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "include/core/SkTypes.h" |
| #if defined(SK_BUILD_FOR_WIN) |
| |
| #include "src/core/SkLeanWindows.h" |
| |
| #ifndef UNICODE |
| #define UNICODE |
| #endif |
| #ifndef _UNICODE |
| #define _UNICODE |
| #endif |
| #include <ObjBase.h> |
| #include <XpsObjectModel.h> |
| #include <T2EmbApi.h> |
| #include <FontSub.h> |
| #include <limits> |
| |
| #include "include/core/SkColor.h" |
| #include "include/core/SkData.h" |
| #include "include/core/SkImage.h" |
| #include "include/core/SkImageEncoder.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkPathEffect.h" |
| #include "include/core/SkPoint.h" |
| #include "include/core/SkShader.h" |
| #include "include/core/SkSize.h" |
| #include "include/core/SkStream.h" |
| #include "include/core/SkVertices.h" |
| #include "include/pathops/SkPathOps.h" |
| #include "include/private/SkTDArray.h" |
| #include "include/private/SkTo.h" |
| #include "src/core/SkDraw.h" |
| #include "src/core/SkEndian.h" |
| #include "src/core/SkGeometry.h" |
| #include "src/core/SkImagePriv.h" |
| #include "src/core/SkMaskFilterBase.h" |
| #include "src/core/SkRasterClip.h" |
| #include "src/core/SkStrikeCache.h" |
| #include "src/core/SkTLazy.h" |
| #include "src/core/SkUtils.h" |
| #include "src/image/SkImage_Base.h" |
| #include "src/sfnt/SkSFNTHeader.h" |
| #include "src/sfnt/SkTTCFHeader.h" |
| #include "src/shaders/SkShaderBase.h" |
| #include "src/text/GlyphRun.h" |
| #include "src/utils/SkClipStackUtils.h" |
| #include "src/utils/win/SkHRESULT.h" |
| #include "src/utils/win/SkIStream.h" |
| #include "src/utils/win/SkTScopedComPtr.h" |
| #include "src/xps/SkXPSDevice.h" |
| |
| //Windows defines a FLOAT type, |
| //make it clear when converting a scalar that this is what is wanted. |
| #define SkScalarToFLOAT(n) SkScalarToFloat(n) |
| |
| //Placeholder representation of a GUID from createId. |
| #define L_GUID_ID L"XXXXXXXXsXXXXsXXXXsXXXXsXXXXXXXXXXXX" |
| //Length of GUID representation from createId, including nullptr terminator. |
| #define GUID_ID_LEN SK_ARRAY_COUNT(L_GUID_ID) |
| |
| /** |
| Formats a GUID and places it into buffer. |
| buffer should have space for at least GUID_ID_LEN wide characters. |
| The string will always be wchar null terminated. |
| XXXXXXXXsXXXXsXXXXsXXXXsXXXXXXXXXXXX0 |
| @return -1 if there was an error, > 0 if success. |
| */ |
| static int format_guid(const GUID& guid, |
| wchar_t* buffer, size_t bufferSize, |
| wchar_t sep = '-') { |
| SkASSERT(bufferSize >= GUID_ID_LEN); |
| return swprintf_s(buffer, |
| bufferSize, |
| L"%08lX%c%04X%c%04X%c%02X%02X%c%02X%02X%02X%02X%02X%02X", |
| guid.Data1, |
| sep, |
| guid.Data2, |
| sep, |
| guid.Data3, |
| sep, |
| guid.Data4[0], |
| guid.Data4[1], |
| sep, |
| guid.Data4[2], |
| guid.Data4[3], |
| guid.Data4[4], |
| guid.Data4[5], |
| guid.Data4[6], |
| guid.Data4[7]); |
| } |
| |
| HRESULT SkXPSDevice::createId(wchar_t* buffer, size_t bufferSize, wchar_t sep) { |
| GUID guid = {}; |
| #ifdef SK_XPS_USE_DETERMINISTIC_IDS |
| guid.Data1 = fNextId++; |
| // The following make this a valid Type4 UUID. |
| guid.Data3 = 0x4000; |
| guid.Data4[0] = 0x80; |
| #else |
| HRM(CoCreateGuid(&guid), "Could not create GUID for id."); |
| #endif |
| |
| if (format_guid(guid, buffer, bufferSize, sep) == -1) { |
| HRM(E_UNEXPECTED, "Could not format GUID into id."); |
| } |
| |
| return S_OK; |
| } |
| |
| SkXPSDevice::SkXPSDevice(SkISize s) |
| : INHERITED(SkImageInfo::MakeUnknown(s.width(), s.height()), |
| SkSurfaceProps(0, kUnknown_SkPixelGeometry)) |
| , fCurrentPage(0), fTopTypefaces(&fTypefaces) {} |
| |
| SkXPSDevice::~SkXPSDevice() {} |
| |
| bool SkXPSDevice::beginPortfolio(SkWStream* outputStream, IXpsOMObjectFactory* factory) { |
| SkASSERT(factory); |
| fXpsFactory.reset(SkRefComPtr(factory)); |
| HRB(SkWIStream::CreateFromSkWStream(outputStream, &this->fOutputStream)); |
| return true; |
| } |
| |
| bool SkXPSDevice::beginSheet( |
| const SkVector& unitsPerMeter, |
| const SkVector& pixelsPerMeter, |
| const SkSize& trimSize, |
| const SkRect* mediaBox, |
| const SkRect* bleedBox, |
| const SkRect* artBox, |
| const SkRect* cropBox) { |
| ++this->fCurrentPage; |
| |
| //For simplicity, just write everything out in geometry units, |
| //then have a base canvas do the scale to physical units. |
| this->fCurrentCanvasSize = trimSize; |
| this->fCurrentUnitsPerMeter = unitsPerMeter; |
| this->fCurrentPixelsPerMeter = pixelsPerMeter; |
| return this->createCanvasForLayer(); |
| } |
| |
| bool SkXPSDevice::createCanvasForLayer() { |
| SkASSERT(fXpsFactory); |
| fCurrentXpsCanvas.reset(); |
| HRB(fXpsFactory->CreateCanvas(&fCurrentXpsCanvas)); |
| return true; |
| } |
| |
| template <typename T> static constexpr size_t sk_digits_in() { |
| return static_cast<size_t>(std::numeric_limits<T>::digits10 + 1); |
| } |
| |
| HRESULT SkXPSDevice::createXpsThumbnail(IXpsOMPage* page, |
| const unsigned int pageNum, |
| IXpsOMImageResource** image) { |
| SkTScopedComPtr<IXpsOMThumbnailGenerator> thumbnailGenerator; |
| HRM(CoCreateInstance( |
| CLSID_XpsOMThumbnailGenerator, |
| nullptr, |
| CLSCTX_INPROC_SERVER, |
| IID_PPV_ARGS(&thumbnailGenerator)), |
| "Could not create thumbnail generator."); |
| |
| SkTScopedComPtr<IOpcPartUri> partUri; |
| constexpr size_t size = std::max( |
| SK_ARRAY_COUNT(L"/Documents/1/Metadata/.png") + sk_digits_in<decltype(pageNum)>(), |
| SK_ARRAY_COUNT(L"/Metadata/" L_GUID_ID L".png")); |
| wchar_t buffer[size]; |
| if (pageNum > 0) { |
| swprintf_s(buffer, size, L"/Documents/1/Metadata/%u.png", pageNum); |
| } else { |
| wchar_t id[GUID_ID_LEN]; |
| HR(this->createId(id, GUID_ID_LEN)); |
| swprintf_s(buffer, size, L"/Metadata/%s.png", id); |
| } |
| HRM(this->fXpsFactory->CreatePartUri(buffer, &partUri), |
| "Could not create thumbnail part uri."); |
| |
| HRM(thumbnailGenerator->GenerateThumbnail(page, |
| XPS_IMAGE_TYPE_PNG, |
| XPS_THUMBNAIL_SIZE_LARGE, |
| partUri.get(), |
| image), |
| "Could not generate thumbnail."); |
| |
| return S_OK; |
| } |
| |
| HRESULT SkXPSDevice::createXpsPage(const XPS_SIZE& pageSize, |
| IXpsOMPage** page) { |
| constexpr size_t size = |
| SK_ARRAY_COUNT(L"/Documents/1/Pages/.fpage") |
| + sk_digits_in<decltype(fCurrentPage)>(); |
| wchar_t buffer[size]; |
| swprintf_s(buffer, size, L"/Documents/1/Pages/%u.fpage", |
| this->fCurrentPage); |
| SkTScopedComPtr<IOpcPartUri> partUri; |
| HRM(this->fXpsFactory->CreatePartUri(buffer, &partUri), |
| "Could not create page part uri."); |
| |
| //If the language is unknown, use "und" (XPS Spec 2.3.5.1). |
| HRM(this->fXpsFactory->CreatePage(&pageSize, |
| L"und", |
| partUri.get(), |
| page), |
| "Could not create page."); |
| |
| return S_OK; |
| } |
| |
| HRESULT SkXPSDevice::initXpsDocumentWriter(IXpsOMImageResource* image) { |
| //Create package writer. |
| { |
| SkTScopedComPtr<IOpcPartUri> partUri; |
| HRM(this->fXpsFactory->CreatePartUri(L"/FixedDocumentSequence.fdseq", |
| &partUri), |
| "Could not create document sequence part uri."); |
| HRM(this->fXpsFactory->CreatePackageWriterOnStream( |
| this->fOutputStream.get(), |
| TRUE, |
| XPS_INTERLEAVING_OFF, //XPS_INTERLEAVING_ON, |
| partUri.get(), |
| nullptr, |
| image, |
| nullptr, |
| nullptr, |
| &this->fPackageWriter), |
| "Could not create package writer."); |
| } |
| |
| //Begin the lone document. |
| { |
| SkTScopedComPtr<IOpcPartUri> partUri; |
| HRM(this->fXpsFactory->CreatePartUri( |
| L"/Documents/1/FixedDocument.fdoc", |
| &partUri), |
| "Could not create fixed document part uri."); |
| HRM(this->fPackageWriter->StartNewDocument(partUri.get(), |
| nullptr, |
| nullptr, |
| nullptr, |
| nullptr), |
| "Could not start document."); |
| } |
| |
| return S_OK; |
| } |
| |
| bool SkXPSDevice::endSheet() { |
| //XPS is fixed at 96dpi (XPS Spec 11.1). |
| static const float xpsDPI = 96.0f; |
| static const float inchesPerMeter = 10000.0f / 254.0f; |
| static const float targetUnitsPerMeter = xpsDPI * inchesPerMeter; |
| const float scaleX = targetUnitsPerMeter |
| / SkScalarToFLOAT(this->fCurrentUnitsPerMeter.fX); |
| const float scaleY = targetUnitsPerMeter |
| / SkScalarToFLOAT(this->fCurrentUnitsPerMeter.fY); |
| |
| //Create the scale canvas. |
| SkTScopedComPtr<IXpsOMCanvas> scaleCanvas; |
| HRBM(this->fXpsFactory->CreateCanvas(&scaleCanvas), |
| "Could not create scale canvas."); |
| SkTScopedComPtr<IXpsOMVisualCollection> scaleCanvasVisuals; |
| HRBM(scaleCanvas->GetVisuals(&scaleCanvasVisuals), |
| "Could not get scale canvas visuals."); |
| |
| SkTScopedComPtr<IXpsOMMatrixTransform> geomToPhys; |
| XPS_MATRIX rawGeomToPhys = { scaleX, 0, 0, scaleY, 0, 0, }; |
| HRBM(this->fXpsFactory->CreateMatrixTransform(&rawGeomToPhys, &geomToPhys), |
| "Could not create geometry to physical transform."); |
| HRBM(scaleCanvas->SetTransformLocal(geomToPhys.get()), |
| "Could not set transform on scale canvas."); |
| |
| //Add the content canvas to the scale canvas. |
| HRBM(scaleCanvasVisuals->Append(this->fCurrentXpsCanvas.get()), |
| "Could not add base canvas to scale canvas."); |
| |
| //Create the page. |
| XPS_SIZE pageSize = { |
| SkScalarToFLOAT(this->fCurrentCanvasSize.width()) * scaleX, |
| SkScalarToFLOAT(this->fCurrentCanvasSize.height()) * scaleY, |
| }; |
| SkTScopedComPtr<IXpsOMPage> page; |
| HRB(this->createXpsPage(pageSize, &page)); |
| |
| SkTScopedComPtr<IXpsOMVisualCollection> pageVisuals; |
| HRBM(page->GetVisuals(&pageVisuals), "Could not get page visuals."); |
| |
| //Add the scale canvas to the page. |
| HRBM(pageVisuals->Append(scaleCanvas.get()), |
| "Could not add scale canvas to page."); |
| |
| //Create the package writer if it hasn't been created yet. |
| if (nullptr == this->fPackageWriter.get()) { |
| SkTScopedComPtr<IXpsOMImageResource> image; |
| //Ignore return, thumbnail is completely optional. |
| this->createXpsThumbnail(page.get(), 0, &image); |
| |
| HRB(this->initXpsDocumentWriter(image.get())); |
| } |
| |
| HRBM(this->fPackageWriter->AddPage(page.get(), |
| &pageSize, |
| nullptr, |
| nullptr, |
| nullptr, |
| nullptr), |
| "Could not write the page."); |
| this->fCurrentXpsCanvas.reset(); |
| |
| return true; |
| } |
| |
| static HRESULT subset_typeface(const SkXPSDevice::TypefaceUse& current) { |
| //The CreateFontPackage API is only supported on desktop, not in UWP |
| #if defined(SK_WINUWP) |
| return E_NOTIMPL; |
| #else |
| //CreateFontPackage wants unsigned short. |
| //Microsoft, Y U NO stdint.h? |
| std::vector<unsigned short> keepList; |
| current.glyphsUsed.forEachSetIndex([&keepList](size_t v) { |
| keepList.push_back((unsigned short)v); |
| }); |
| |
| int ttcCount = (current.ttcIndex + 1); |
| |
| //The following are declared with the types required by CreateFontPackage. |
| unsigned char *fontPackageBufferRaw = nullptr; |
| unsigned long fontPackageBufferSize; |
| unsigned long bytesWritten; |
| unsigned long result = CreateFontPackage( |
| (unsigned char *) current.fontData->getMemoryBase(), |
| (unsigned long) current.fontData->getLength(), |
| &fontPackageBufferRaw, |
| &fontPackageBufferSize, |
| &bytesWritten, |
| TTFCFP_FLAGS_SUBSET | TTFCFP_FLAGS_GLYPHLIST | (ttcCount > 0 ? TTFCFP_FLAGS_TTC : 0), |
| current.ttcIndex, |
| TTFCFP_SUBSET, |
| 0, |
| 0, |
| 0, |
| keepList.data(), |
| SkTo<unsigned short>(keepList.size()), |
| sk_malloc_throw, |
| sk_realloc_throw, |
| sk_free, |
| nullptr); |
| SkAutoTMalloc<unsigned char> fontPackageBuffer(fontPackageBufferRaw); |
| if (result != NO_ERROR) { |
| SkDEBUGF("CreateFontPackage Error %lu", result); |
| return E_UNEXPECTED; |
| } |
| |
| // If it was originally a ttc, keep it a ttc. |
| // CreateFontPackage over-allocates, realloc usually decreases the size substantially. |
| size_t extra; |
| if (ttcCount > 0) { |
| // Create space for a ttc header. |
| extra = sizeof(SkTTCFHeader) + (ttcCount * sizeof(SK_OT_ULONG)); |
| fontPackageBuffer.realloc(bytesWritten + extra); |
| //overlap is certain, use memmove |
| memmove(fontPackageBuffer.get() + extra, fontPackageBuffer.get(), bytesWritten); |
| |
| // Write the ttc header. |
| SkTTCFHeader* ttcfHeader = reinterpret_cast<SkTTCFHeader*>(fontPackageBuffer.get()); |
| ttcfHeader->ttcTag = SkTTCFHeader::TAG; |
| ttcfHeader->version = SkTTCFHeader::version_1; |
| ttcfHeader->numOffsets = SkEndian_SwapBE32(ttcCount); |
| SK_OT_ULONG* offsetPtr = SkTAfter<SK_OT_ULONG>(ttcfHeader); |
| for (int i = 0; i < ttcCount; ++i, ++offsetPtr) { |
| *offsetPtr = SkEndian_SwapBE32(SkToU32(extra)); |
| } |
| |
| // Fix up offsets in sfnt table entries. |
| SkSFNTHeader* sfntHeader = SkTAddOffset<SkSFNTHeader>(fontPackageBuffer.get(), extra); |
| int numTables = SkEndian_SwapBE16(sfntHeader->numTables); |
| SkSFNTHeader::TableDirectoryEntry* tableDirectory = |
| SkTAfter<SkSFNTHeader::TableDirectoryEntry>(sfntHeader); |
| for (int i = 0; i < numTables; ++i, ++tableDirectory) { |
| tableDirectory->offset = SkEndian_SwapBE32( |
| SkToU32(SkEndian_SwapBE32(SkToU32(tableDirectory->offset)) + extra)); |
| } |
| } else { |
| extra = 0; |
| fontPackageBuffer.realloc(bytesWritten); |
| } |
| |
| std::unique_ptr<SkMemoryStream> newStream(new SkMemoryStream()); |
| newStream->setMemoryOwned(fontPackageBuffer.release(), bytesWritten + extra); |
| |
| SkTScopedComPtr<IStream> newIStream; |
| SkIStream::CreateFromSkStream(std::move(newStream), &newIStream); |
| |
| XPS_FONT_EMBEDDING embedding; |
| HRM(current.xpsFont->GetEmbeddingOption(&embedding), |
| "Could not get embedding option from font."); |
| |
| SkTScopedComPtr<IOpcPartUri> partUri; |
| HRM(current.xpsFont->GetPartName(&partUri), |
| "Could not get part uri from font."); |
| |
| HRM(current.xpsFont->SetContent( |
| newIStream.get(), |
| embedding, |
| partUri.get()), |
| "Could not set new stream for subsetted font."); |
| |
| return S_OK; |
| #endif //SK_WINUWP |
| } |
| |
| bool SkXPSDevice::endPortfolio() { |
| //Subset fonts |
| for (const TypefaceUse& current : *this->fTopTypefaces) { |
| //Ignore return for now, if it didn't subset, let it be. |
| subset_typeface(current); |
| } |
| |
| if (this->fPackageWriter) { |
| HRBM(this->fPackageWriter->Close(), "Could not close writer."); |
| } |
| |
| return true; |
| } |
| |
| static XPS_COLOR xps_color(const SkColor skColor) { |
| //XPS uses non-pre-multiplied alpha (XPS Spec 11.4). |
| XPS_COLOR xpsColor; |
| xpsColor.colorType = XPS_COLOR_TYPE_SRGB; |
| xpsColor.value.sRGB.alpha = SkColorGetA(skColor); |
| xpsColor.value.sRGB.red = SkColorGetR(skColor); |
| xpsColor.value.sRGB.green = SkColorGetG(skColor); |
| xpsColor.value.sRGB.blue = SkColorGetB(skColor); |
| |
| return xpsColor; |
| } |
| |
| static XPS_POINT xps_point(const SkPoint& point) { |
| XPS_POINT xpsPoint = { |
| SkScalarToFLOAT(point.fX), |
| SkScalarToFLOAT(point.fY), |
| }; |
| return xpsPoint; |
| } |
| |
| static XPS_POINT xps_point(const SkPoint& point, const SkMatrix& matrix) { |
| SkPoint skTransformedPoint; |
| matrix.mapXY(point.fX, point.fY, &skTransformedPoint); |
| return xps_point(skTransformedPoint); |
| } |
| |
| static XPS_SPREAD_METHOD xps_spread_method(SkTileMode tileMode) { |
| switch (tileMode) { |
| case SkTileMode::kClamp: |
| return XPS_SPREAD_METHOD_PAD; |
| case SkTileMode::kRepeat: |
| return XPS_SPREAD_METHOD_REPEAT; |
| case SkTileMode::kMirror: |
| return XPS_SPREAD_METHOD_REFLECT; |
| case SkTileMode::kDecal: |
| // TODO: fake |
| return XPS_SPREAD_METHOD_PAD; |
| default: |
| SkDEBUGFAIL("Unknown tile mode."); |
| } |
| return XPS_SPREAD_METHOD_PAD; |
| } |
| |
| static void transform_offsets(SkScalar* stopOffsets, const int numOffsets, |
| const SkPoint& start, const SkPoint& end, |
| const SkMatrix& transform) { |
| SkPoint startTransformed; |
| transform.mapXY(start.fX, start.fY, &startTransformed); |
| SkPoint endTransformed; |
| transform.mapXY(end.fX, end.fY, &endTransformed); |
| |
| //Manhattan distance between transformed start and end. |
| SkScalar startToEnd = (endTransformed.fX - startTransformed.fX) |
| + (endTransformed.fY - startTransformed.fY); |
| if (SkScalarNearlyZero(startToEnd)) { |
| for (int i = 0; i < numOffsets; ++i) { |
| stopOffsets[i] = 0; |
| } |
| return; |
| } |
| |
| for (int i = 0; i < numOffsets; ++i) { |
| SkPoint stop; |
| stop.fX = (end.fX - start.fX) * stopOffsets[i]; |
| stop.fY = (end.fY - start.fY) * stopOffsets[i]; |
| |
| SkPoint stopTransformed; |
| transform.mapXY(stop.fX, stop.fY, &stopTransformed); |
| |
| //Manhattan distance between transformed start and stop. |
| SkScalar startToStop = (stopTransformed.fX - startTransformed.fX) |
| + (stopTransformed.fY - startTransformed.fY); |
| //Percentage along transformed line. |
| stopOffsets[i] = startToStop / startToEnd; |
| } |
| } |
| |
| HRESULT SkXPSDevice::createXpsTransform(const SkMatrix& matrix, |
| IXpsOMMatrixTransform** xpsTransform) { |
| SkScalar affine[6]; |
| if (!matrix.asAffine(affine)) { |
| *xpsTransform = nullptr; |
| return S_FALSE; |
| } |
| XPS_MATRIX rawXpsMatrix = { |
| SkScalarToFLOAT(affine[SkMatrix::kAScaleX]), |
| SkScalarToFLOAT(affine[SkMatrix::kASkewY]), |
| SkScalarToFLOAT(affine[SkMatrix::kASkewX]), |
| SkScalarToFLOAT(affine[SkMatrix::kAScaleY]), |
| SkScalarToFLOAT(affine[SkMatrix::kATransX]), |
| SkScalarToFLOAT(affine[SkMatrix::kATransY]), |
| }; |
| HRM(this->fXpsFactory->CreateMatrixTransform(&rawXpsMatrix, xpsTransform), |
| "Could not create transform."); |
| |
| return S_OK; |
| } |
| |
| HRESULT SkXPSDevice::createPath(IXpsOMGeometryFigure* figure, |
| IXpsOMVisualCollection* visuals, |
| IXpsOMPath** path) { |
| SkTScopedComPtr<IXpsOMGeometry> geometry; |
| HRM(this->fXpsFactory->CreateGeometry(&geometry), |
| "Could not create geometry."); |
| |
| SkTScopedComPtr<IXpsOMGeometryFigureCollection> figureCollection; |
| HRM(geometry->GetFigures(&figureCollection), "Could not get figures."); |
| HRM(figureCollection->Append(figure), "Could not add figure."); |
| |
| HRM(this->fXpsFactory->CreatePath(path), "Could not create path."); |
| HRM((*path)->SetGeometryLocal(geometry.get()), "Could not set geometry"); |
| |
| HRM(visuals->Append(*path), "Could not add path to visuals."); |
| return S_OK; |
| } |
| |
| HRESULT SkXPSDevice::createXpsSolidColorBrush(const SkColor skColor, |
| const SkAlpha alpha, |
| IXpsOMBrush** xpsBrush) { |
| XPS_COLOR xpsColor = xps_color(skColor); |
| SkTScopedComPtr<IXpsOMSolidColorBrush> solidBrush; |
| HRM(this->fXpsFactory->CreateSolidColorBrush(&xpsColor, nullptr, &solidBrush), |
| "Could not create solid color brush."); |
| HRM(solidBrush->SetOpacity(alpha / 255.0f), "Could not set opacity."); |
| HRM(solidBrush->QueryInterface<IXpsOMBrush>(xpsBrush), "QI Fail."); |
| return S_OK; |
| } |
| |
| HRESULT SkXPSDevice::sideOfClamp(const SkRect& areaToFill, |
| const XPS_RECT& imageViewBox, |
| IXpsOMImageResource* image, |
| IXpsOMVisualCollection* visuals) { |
| SkTScopedComPtr<IXpsOMGeometryFigure> areaToFillFigure; |
| HR(this->createXpsRect(areaToFill, FALSE, TRUE, &areaToFillFigure)); |
| |
| SkTScopedComPtr<IXpsOMPath> areaToFillPath; |
| HR(this->createPath(areaToFillFigure.get(), visuals, &areaToFillPath)); |
| |
| SkTScopedComPtr<IXpsOMImageBrush> areaToFillBrush; |
| HRM(this->fXpsFactory->CreateImageBrush(image, |
| &imageViewBox, |
| &imageViewBox, |
| &areaToFillBrush), |
| "Could not create brush for side of clamp."); |
| HRM(areaToFillBrush->SetTileMode(XPS_TILE_MODE_FLIPXY), |
| "Could not set tile mode for side of clamp."); |
| HRM(areaToFillPath->SetFillBrushLocal(areaToFillBrush.get()), |
| "Could not set brush for side of clamp"); |
| |
| return S_OK; |
| } |
| |
| HRESULT SkXPSDevice::cornerOfClamp(const SkRect& areaToFill, |
| const SkColor color, |
| IXpsOMVisualCollection* visuals) { |
| SkTScopedComPtr<IXpsOMGeometryFigure> areaToFillFigure; |
| HR(this->createXpsRect(areaToFill, FALSE, TRUE, &areaToFillFigure)); |
| |
| SkTScopedComPtr<IXpsOMPath> areaToFillPath; |
| HR(this->createPath(areaToFillFigure.get(), visuals, &areaToFillPath)); |
| |
| SkTScopedComPtr<IXpsOMBrush> areaToFillBrush; |
| HR(this->createXpsSolidColorBrush(color, 0xFF, &areaToFillBrush)); |
| HRM(areaToFillPath->SetFillBrushLocal(areaToFillBrush.get()), |
| "Could not set brush for corner of clamp."); |
| |
| return S_OK; |
| } |
| |
| static const XPS_TILE_MODE XTM_N = XPS_TILE_MODE_NONE; |
| static const XPS_TILE_MODE XTM_T = XPS_TILE_MODE_TILE; |
| static const XPS_TILE_MODE XTM_X = XPS_TILE_MODE_FLIPX; |
| static const XPS_TILE_MODE XTM_Y = XPS_TILE_MODE_FLIPY; |
| static const XPS_TILE_MODE XTM_XY = XPS_TILE_MODE_FLIPXY; |
| |
| //TODO(bungeman): In the future, should skia add None, |
| //handle None+Mirror and None+Repeat correctly. |
| //None is currently an internal hack so masks don't repeat (None+None only). |
| static XPS_TILE_MODE gSkToXpsTileMode[kSkTileModeCount+1] |
| [kSkTileModeCount+1] = { |
| //Clamp //Repeat //Mirror //None |
| /*Clamp */ {XTM_N, XTM_T, XTM_Y, XTM_N}, |
| /*Repeat*/ {XTM_T, XTM_T, XTM_Y, XTM_N}, |
| /*Mirror*/ {XTM_X, XTM_X, XTM_XY, XTM_X}, |
| /*None */ {XTM_N, XTM_N, XTM_Y, XTM_N}, |
| }; |
| |
| static XPS_TILE_MODE SkToXpsTileMode(SkTileMode tmx, SkTileMode tmy) { |
| return gSkToXpsTileMode[(unsigned)tmx][(unsigned)tmy]; |
| } |
| |
| HRESULT SkXPSDevice::createXpsImageBrush( |
| const SkBitmap& bitmap, |
| const SkMatrix& localMatrix, |
| const SkTileMode (&xy)[2], |
| const SkAlpha alpha, |
| IXpsOMTileBrush** xpsBrush) { |
| SkDynamicMemoryWStream write; |
| if (!SkEncodeImage(&write, bitmap, SkEncodedImageFormat::kPNG, 100)) { |
| HRM(E_FAIL, "Unable to encode bitmap as png."); |
| } |
| SkTScopedComPtr<IStream> read; |
| HRM(SkIStream::CreateFromSkStream(write.detachAsStream(), &read), |
| "Could not create stream from png data."); |
| |
| const size_t size = |
| SK_ARRAY_COUNT(L"/Documents/1/Resources/Images/" L_GUID_ID L".png"); |
| wchar_t buffer[size]; |
| wchar_t id[GUID_ID_LEN]; |
| HR(this->createId(id, GUID_ID_LEN)); |
| swprintf_s(buffer, size, L"/Documents/1/Resources/Images/%s.png", id); |
| |
| SkTScopedComPtr<IOpcPartUri> imagePartUri; |
| HRM(this->fXpsFactory->CreatePartUri(buffer, &imagePartUri), |
| "Could not create image part uri."); |
| |
| SkTScopedComPtr<IXpsOMImageResource> imageResource; |
| HRM(this->fXpsFactory->CreateImageResource( |
| read.get(), |
| XPS_IMAGE_TYPE_PNG, |
| imagePartUri.get(), |
| &imageResource), |
| "Could not create image resource."); |
| |
| XPS_RECT bitmapRect = { |
| 0.0, 0.0, |
| static_cast<FLOAT>(bitmap.width()), static_cast<FLOAT>(bitmap.height()) |
| }; |
| SkTScopedComPtr<IXpsOMImageBrush> xpsImageBrush; |
| HRM(this->fXpsFactory->CreateImageBrush(imageResource.get(), |
| &bitmapRect, &bitmapRect, |
| &xpsImageBrush), |
| "Could not create image brush."); |
| |
| if (SkTileMode::kClamp != xy[0] && |
| SkTileMode::kClamp != xy[1]) { |
| |
| HRM(xpsImageBrush->SetTileMode(SkToXpsTileMode(xy[0], xy[1])), |
| "Could not set image tile mode"); |
| HRM(xpsImageBrush->SetOpacity(alpha / 255.0f), |
| "Could not set image opacity."); |
| HRM(xpsImageBrush->QueryInterface(xpsBrush), "QI failed."); |
| } else { |
| //TODO(bungeman): compute how big this really needs to be. |
| const SkScalar BIG = SkIntToScalar(1000); //SK_ScalarMax; |
| const FLOAT BIG_F = SkScalarToFLOAT(BIG); |
| const SkScalar bWidth = SkIntToScalar(bitmap.width()); |
| const SkScalar bHeight = SkIntToScalar(bitmap.height()); |
| |
| //create brush canvas |
| SkTScopedComPtr<IXpsOMCanvas> brushCanvas; |
| HRM(this->fXpsFactory->CreateCanvas(&brushCanvas), |
| "Could not create image brush canvas."); |
| SkTScopedComPtr<IXpsOMVisualCollection> brushVisuals; |
| HRM(brushCanvas->GetVisuals(&brushVisuals), |
| "Could not get image brush canvas visuals collection."); |
| |
| //create central figure |
| const SkRect bitmapPoints = SkRect::MakeLTRB(0, 0, bWidth, bHeight); |
| SkTScopedComPtr<IXpsOMGeometryFigure> centralFigure; |
| HR(this->createXpsRect(bitmapPoints, FALSE, TRUE, ¢ralFigure)); |
| |
| SkTScopedComPtr<IXpsOMPath> centralPath; |
| HR(this->createPath(centralFigure.get(), |
| brushVisuals.get(), |
| ¢ralPath)); |
| HRM(xpsImageBrush->SetTileMode(XPS_TILE_MODE_FLIPXY), |
| "Could not set tile mode for image brush central path."); |
| HRM(centralPath->SetFillBrushLocal(xpsImageBrush.get()), |
| "Could not set fill brush for image brush central path."); |
| |
| //add left/right |
| if (SkTileMode::kClamp == xy[0]) { |
| SkRect leftArea = SkRect::MakeLTRB(-BIG, 0, 0, bHeight); |
| XPS_RECT leftImageViewBox = { |
| 0.0, 0.0, |
| 1.0, static_cast<FLOAT>(bitmap.height()), |
| }; |
| HR(this->sideOfClamp(leftArea, leftImageViewBox, |
| imageResource.get(), |
| brushVisuals.get())); |
| |
| SkRect rightArea = SkRect::MakeLTRB(bWidth, 0, BIG, bHeight); |
| XPS_RECT rightImageViewBox = { |
| bitmap.width() - 1.0f, 0.0f, |
| 1.0f, static_cast<FLOAT>(bitmap.height()), |
| }; |
| HR(this->sideOfClamp(rightArea, rightImageViewBox, |
| imageResource.get(), |
| brushVisuals.get())); |
| } |
| |
| //add top/bottom |
| if (SkTileMode::kClamp == xy[1]) { |
| SkRect topArea = SkRect::MakeLTRB(0, -BIG, bWidth, 0); |
| XPS_RECT topImageViewBox = { |
| 0.0, 0.0, |
| static_cast<FLOAT>(bitmap.width()), 1.0, |
| }; |
| HR(this->sideOfClamp(topArea, topImageViewBox, |
| imageResource.get(), |
| brushVisuals.get())); |
| |
| SkRect bottomArea = SkRect::MakeLTRB(0, bHeight, bWidth, BIG); |
| XPS_RECT bottomImageViewBox = { |
| 0.0f, bitmap.height() - 1.0f, |
| static_cast<FLOAT>(bitmap.width()), 1.0f, |
| }; |
| HR(this->sideOfClamp(bottomArea, bottomImageViewBox, |
| imageResource.get(), |
| brushVisuals.get())); |
| } |
| |
| //add tl, tr, bl, br |
| if (SkTileMode::kClamp == xy[0] && |
| SkTileMode::kClamp == xy[1]) { |
| |
| const SkColor tlColor = bitmap.getColor(0,0); |
| const SkRect tlArea = SkRect::MakeLTRB(-BIG, -BIG, 0, 0); |
| HR(this->cornerOfClamp(tlArea, tlColor, brushVisuals.get())); |
| |
| const SkColor trColor = bitmap.getColor(bitmap.width()-1,0); |
| const SkRect trArea = SkRect::MakeLTRB(bWidth, -BIG, BIG, 0); |
| HR(this->cornerOfClamp(trArea, trColor, brushVisuals.get())); |
| |
| const SkColor brColor = bitmap.getColor(bitmap.width()-1, |
| bitmap.height()-1); |
| const SkRect brArea = SkRect::MakeLTRB(bWidth, bHeight, BIG, BIG); |
| HR(this->cornerOfClamp(brArea, brColor, brushVisuals.get())); |
| |
| const SkColor blColor = bitmap.getColor(0,bitmap.height()-1); |
| const SkRect blArea = SkRect::MakeLTRB(-BIG, bHeight, 0, BIG); |
| HR(this->cornerOfClamp(blArea, blColor, brushVisuals.get())); |
| } |
| |
| //create visual brush from canvas |
| XPS_RECT bound = {}; |
| if (SkTileMode::kClamp == xy[0] && |
| SkTileMode::kClamp == xy[1]) { |
| |
| bound.x = BIG_F / -2; |
| bound.y = BIG_F / -2; |
| bound.width = BIG_F; |
| bound.height = BIG_F; |
| } else if (SkTileMode::kClamp == xy[0]) { |
| bound.x = BIG_F / -2; |
| bound.y = 0.0f; |
| bound.width = BIG_F; |
| bound.height = static_cast<FLOAT>(bitmap.height()); |
| } else if (SkTileMode::kClamp == xy[1]) { |
| bound.x = 0; |
| bound.y = BIG_F / -2; |
| bound.width = static_cast<FLOAT>(bitmap.width()); |
| bound.height = BIG_F; |
| } |
| SkTScopedComPtr<IXpsOMVisualBrush> clampBrush; |
| HRM(this->fXpsFactory->CreateVisualBrush(&bound, &bound, &clampBrush), |
| "Could not create visual brush for image brush."); |
| HRM(clampBrush->SetVisualLocal(brushCanvas.get()), |
| "Could not set canvas on visual brush for image brush."); |
| HRM(clampBrush->SetTileMode(SkToXpsTileMode(xy[0], xy[1])), |
| "Could not set tile mode on visual brush for image brush."); |
| HRM(clampBrush->SetOpacity(alpha / 255.0f), |
| "Could not set opacity on visual brush for image brush."); |
| |
| HRM(clampBrush->QueryInterface(xpsBrush), "QI failed."); |
| } |
| |
| SkTScopedComPtr<IXpsOMMatrixTransform> xpsMatrixToUse; |
| HR(this->createXpsTransform(localMatrix, &xpsMatrixToUse)); |
| if (xpsMatrixToUse.get()) { |
| HRM((*xpsBrush)->SetTransformLocal(xpsMatrixToUse.get()), |
| "Could not set transform for image brush."); |
| } else { |
| //TODO(bungeman): perspective bitmaps in general. |
| } |
| |
| return S_OK; |
| } |
| |
| HRESULT SkXPSDevice::createXpsGradientStop(const SkColor skColor, |
| const SkScalar offset, |
| IXpsOMGradientStop** xpsGradStop) { |
| XPS_COLOR gradStopXpsColor = xps_color(skColor); |
| HRM(this->fXpsFactory->CreateGradientStop(&gradStopXpsColor, |
| nullptr, |
| SkScalarToFLOAT(offset), |
| xpsGradStop), |
| "Could not create gradient stop."); |
| return S_OK; |
| } |
| |
| HRESULT SkXPSDevice::createXpsLinearGradient(SkShader::GradientInfo info, |
| const SkAlpha alpha, |
| const SkMatrix& localMatrix, |
| IXpsOMMatrixTransform* xpsMatrix, |
| IXpsOMBrush** xpsBrush) { |
| XPS_POINT startPoint; |
| XPS_POINT endPoint; |
| if (xpsMatrix) { |
| startPoint = xps_point(info.fPoint[0]); |
| endPoint = xps_point(info.fPoint[1]); |
| } else { |
| transform_offsets(info.fColorOffsets, info.fColorCount, |
| info.fPoint[0], info.fPoint[1], |
| localMatrix); |
| startPoint = xps_point(info.fPoint[0], localMatrix); |
| endPoint = xps_point(info.fPoint[1], localMatrix); |
| } |
| |
| SkTScopedComPtr<IXpsOMGradientStop> gradStop0; |
| HR(createXpsGradientStop(info.fColors[0], |
| info.fColorOffsets[0], |
| &gradStop0)); |
| |
| SkTScopedComPtr<IXpsOMGradientStop> gradStop1; |
| HR(createXpsGradientStop(info.fColors[1], |
| info.fColorOffsets[1], |
| &gradStop1)); |
| |
| SkTScopedComPtr<IXpsOMLinearGradientBrush> gradientBrush; |
| HRM(this->fXpsFactory->CreateLinearGradientBrush(gradStop0.get(), |
| gradStop1.get(), |
| &startPoint, |
| &endPoint, |
| &gradientBrush), |
| "Could not create linear gradient brush."); |
| if (xpsMatrix) { |
| HRM(gradientBrush->SetTransformLocal(xpsMatrix), |
| "Could not set transform on linear gradient brush."); |
| } |
| |
| SkTScopedComPtr<IXpsOMGradientStopCollection> gradStopCollection; |
| HRM(gradientBrush->GetGradientStops(&gradStopCollection), |
| "Could not get linear gradient stop collection."); |
| for (int i = 2; i < info.fColorCount; ++i) { |
| SkTScopedComPtr<IXpsOMGradientStop> gradStop; |
| HR(createXpsGradientStop(info.fColors[i], |
| info.fColorOffsets[i], |
| &gradStop)); |
| HRM(gradStopCollection->Append(gradStop.get()), |
| "Could not add linear gradient stop."); |
| } |
| |
| HRM(gradientBrush->SetSpreadMethod(xps_spread_method((SkTileMode)info.fTileMode)), |
| "Could not set spread method of linear gradient."); |
| |
| HRM(gradientBrush->SetOpacity(alpha / 255.0f), |
| "Could not set opacity of linear gradient brush."); |
| HRM(gradientBrush->QueryInterface<IXpsOMBrush>(xpsBrush), "QI failed"); |
| |
| return S_OK; |
| } |
| |
| HRESULT SkXPSDevice::createXpsRadialGradient(SkShader::GradientInfo info, |
| const SkAlpha alpha, |
| const SkMatrix& localMatrix, |
| IXpsOMMatrixTransform* xpsMatrix, |
| IXpsOMBrush** xpsBrush) { |
| SkTScopedComPtr<IXpsOMGradientStop> gradStop0; |
| HR(createXpsGradientStop(info.fColors[0], |
| info.fColorOffsets[0], |
| &gradStop0)); |
| |
| SkTScopedComPtr<IXpsOMGradientStop> gradStop1; |
| HR(createXpsGradientStop(info.fColors[1], |
| info.fColorOffsets[1], |
| &gradStop1)); |
| |
| //TODO: figure out how to fake better if not affine |
| XPS_POINT centerPoint; |
| XPS_POINT gradientOrigin; |
| XPS_SIZE radiiSizes; |
| if (xpsMatrix) { |
| centerPoint = xps_point(info.fPoint[0]); |
| gradientOrigin = xps_point(info.fPoint[0]); |
| radiiSizes.width = SkScalarToFLOAT(info.fRadius[0]); |
| radiiSizes.height = SkScalarToFLOAT(info.fRadius[0]); |
| } else { |
| centerPoint = xps_point(info.fPoint[0], localMatrix); |
| gradientOrigin = xps_point(info.fPoint[0], localMatrix); |
| |
| SkScalar radius = info.fRadius[0]; |
| SkVector vec[2]; |
| |
| vec[0].set(radius, 0); |
| vec[1].set(0, radius); |
| localMatrix.mapVectors(vec, 2); |
| |
| SkScalar d0 = vec[0].length(); |
| SkScalar d1 = vec[1].length(); |
| |
| radiiSizes.width = SkScalarToFLOAT(d0); |
| radiiSizes.height = SkScalarToFLOAT(d1); |
| } |
| |
| SkTScopedComPtr<IXpsOMRadialGradientBrush> gradientBrush; |
| HRM(this->fXpsFactory->CreateRadialGradientBrush(gradStop0.get(), |
| gradStop1.get(), |
| ¢erPoint, |
| &gradientOrigin, |
| &radiiSizes, |
| &gradientBrush), |
| "Could not create radial gradient brush."); |
| if (xpsMatrix) { |
| HRM(gradientBrush->SetTransformLocal(xpsMatrix), |
| "Could not set transform on radial gradient brush."); |
| } |
| |
| SkTScopedComPtr<IXpsOMGradientStopCollection> gradStopCollection; |
| HRM(gradientBrush->GetGradientStops(&gradStopCollection), |
| "Could not get radial gradient stop collection."); |
| for (int i = 2; i < info.fColorCount; ++i) { |
| SkTScopedComPtr<IXpsOMGradientStop> gradStop; |
| HR(createXpsGradientStop(info.fColors[i], |
| info.fColorOffsets[i], |
| &gradStop)); |
| HRM(gradStopCollection->Append(gradStop.get()), |
| "Could not add radial gradient stop."); |
| } |
| |
| HRM(gradientBrush->SetSpreadMethod(xps_spread_method((SkTileMode)info.fTileMode)), |
| "Could not set spread method of radial gradient."); |
| |
| HRM(gradientBrush->SetOpacity(alpha / 255.0f), |
| "Could not set opacity of radial gradient brush."); |
| HRM(gradientBrush->QueryInterface<IXpsOMBrush>(xpsBrush), "QI failed."); |
| |
| return S_OK; |
| } |
| |
| HRESULT SkXPSDevice::createXpsBrush(const SkPaint& skPaint, |
| IXpsOMBrush** brush, |
| const SkMatrix* parentTransform) { |
| const SkShader *shader = skPaint.getShader(); |
| if (nullptr == shader) { |
| HR(this->createXpsSolidColorBrush(skPaint.getColor(), 0xFF, brush)); |
| return S_OK; |
| } |
| |
| //Gradient shaders. |
| SkShader::GradientInfo info; |
| info.fColorCount = 0; |
| info.fColors = nullptr; |
| info.fColorOffsets = nullptr; |
| SkShader::GradientType gradientType = shader->asAGradient(&info); |
| |
| if (SkShader::kNone_GradientType == gradientType) { |
| //Nothing to see, move along. |
| |
| } else if (SkShader::kColor_GradientType == gradientType) { |
| SkASSERT(1 == info.fColorCount); |
| SkColor color; |
| info.fColors = &color; |
| shader->asAGradient(&info); |
| SkAlpha alpha = skPaint.getAlpha(); |
| HR(this->createXpsSolidColorBrush(color, alpha, brush)); |
| return S_OK; |
| |
| } else { |
| if (info.fColorCount == 0) { |
| const SkColor color = skPaint.getColor(); |
| HR(this->createXpsSolidColorBrush(color, 0xFF, brush)); |
| return S_OK; |
| } |
| |
| SkAutoTArray<SkColor> colors(info.fColorCount); |
| SkAutoTArray<SkScalar> colorOffsets(info.fColorCount); |
| info.fColors = colors.get(); |
| info.fColorOffsets = colorOffsets.get(); |
| shader->asAGradient(&info); |
| |
| if (1 == info.fColorCount) { |
| SkColor color = info.fColors[0]; |
| SkAlpha alpha = skPaint.getAlpha(); |
| HR(this->createXpsSolidColorBrush(color, alpha, brush)); |
| return S_OK; |
| } |
| |
| SkMatrix localMatrix = as_SB(shader)->getLocalMatrix(); |
| if (parentTransform) { |
| localMatrix.preConcat(*parentTransform); |
| } |
| SkTScopedComPtr<IXpsOMMatrixTransform> xpsMatrixToUse; |
| HR(this->createXpsTransform(localMatrix, &xpsMatrixToUse)); |
| |
| if (SkShader::kLinear_GradientType == gradientType) { |
| HR(this->createXpsLinearGradient(info, |
| skPaint.getAlpha(), |
| localMatrix, |
| xpsMatrixToUse.get(), |
| brush)); |
| return S_OK; |
| } |
| |
| if (SkShader::kRadial_GradientType == gradientType) { |
| HR(this->createXpsRadialGradient(info, |
| skPaint.getAlpha(), |
| localMatrix, |
| xpsMatrixToUse.get(), |
| brush)); |
| return S_OK; |
| } |
| |
| if (SkShader::kConical_GradientType == gradientType) { |
| //simple if affine and one is 0, otherwise will have to fake |
| } |
| |
| if (SkShader::kSweep_GradientType == gradientType) { |
| //have to fake |
| } |
| } |
| |
| SkBitmap outTexture; |
| SkMatrix outMatrix; |
| SkTileMode xy[2]; |
| SkImage* image = shader->isAImage(&outMatrix, xy); |
| if (image && image->asLegacyBitmap(&outTexture)) { |
| //TODO: outMatrix?? |
| SkMatrix localMatrix = as_SB(shader)->getLocalMatrix(); |
| if (parentTransform) { |
| localMatrix.postConcat(*parentTransform); |
| } |
| |
| SkTScopedComPtr<IXpsOMTileBrush> tileBrush; |
| HR(this->createXpsImageBrush(outTexture, |
| localMatrix, |
| xy, |
| skPaint.getAlpha(), |
| &tileBrush)); |
| |
| HRM(tileBrush->QueryInterface<IXpsOMBrush>(brush), "QI failed."); |
| } else { |
| HR(this->createXpsSolidColorBrush(skPaint.getColor(), 0xFF, brush)); |
| } |
| return S_OK; |
| } |
| |
| static bool rect_must_be_pathed(const SkPaint& paint, const SkMatrix& matrix) { |
| const bool zeroWidth = (0 == paint.getStrokeWidth()); |
| const bool stroke = (SkPaint::kFill_Style != paint.getStyle()); |
| |
| return paint.getPathEffect() || |
| paint.getMaskFilter() || |
| (stroke && ( |
| (matrix.hasPerspective() && !zeroWidth) || |
| SkPaint::kMiter_Join != paint.getStrokeJoin() || |
| (SkPaint::kMiter_Join == paint.getStrokeJoin() && |
| paint.getStrokeMiter() < SK_ScalarSqrt2) |
| )) |
| ; |
| } |
| |
| HRESULT SkXPSDevice::createXpsRect(const SkRect& rect, BOOL stroke, BOOL fill, |
| IXpsOMGeometryFigure** xpsRect) { |
| const SkPoint points[4] = { |
| { rect.fLeft, rect.fTop }, |
| { rect.fRight, rect.fTop }, |
| { rect.fRight, rect.fBottom }, |
| { rect.fLeft, rect.fBottom }, |
| }; |
| return this->createXpsQuad(points, stroke, fill, xpsRect); |
| } |
| HRESULT SkXPSDevice::createXpsQuad(const SkPoint (&points)[4], |
| BOOL stroke, BOOL fill, |
| IXpsOMGeometryFigure** xpsQuad) { |
| // Define the start point. |
| XPS_POINT startPoint = xps_point(points[0]); |
| |
| // Create the figure. |
| HRM(this->fXpsFactory->CreateGeometryFigure(&startPoint, xpsQuad), |
| "Could not create quad geometry figure."); |
| |
| // Define the type of each segment. |
| XPS_SEGMENT_TYPE segmentTypes[3] = { |
| XPS_SEGMENT_TYPE_LINE, |
| XPS_SEGMENT_TYPE_LINE, |
| XPS_SEGMENT_TYPE_LINE, |
| }; |
| |
| // Define the x and y coordinates of each corner of the figure. |
| FLOAT segmentData[6] = { |
| SkScalarToFLOAT(points[1].fX), SkScalarToFLOAT(points[1].fY), |
| SkScalarToFLOAT(points[2].fX), SkScalarToFLOAT(points[2].fY), |
| SkScalarToFLOAT(points[3].fX), SkScalarToFLOAT(points[3].fY), |
| }; |
| |
| // Describe if the segments are stroked. |
| BOOL segmentStrokes[3] = { |
| stroke, stroke, stroke, |
| }; |
| |
| // Add the segment data to the figure. |
| HRM((*xpsQuad)->SetSegments( |
| 3, 6, |
| segmentTypes , segmentData, segmentStrokes), |
| "Could not add segment data to quad."); |
| |
| // Set the closed and filled properties of the figure. |
| HRM((*xpsQuad)->SetIsClosed(stroke), "Could not set quad close."); |
| HRM((*xpsQuad)->SetIsFilled(fill), "Could not set quad fill."); |
| |
| return S_OK; |
| } |
| |
| void SkXPSDevice::drawPoints(SkCanvas::PointMode mode, |
| size_t count, const SkPoint points[], |
| const SkPaint& paint) { |
| //TODO |
| } |
| |
| void SkXPSDevice::drawVertices(const SkVertices*, sk_sp<SkBlender>, const SkPaint&, bool) { |
| //TODO |
| } |
| |
| void SkXPSDevice::drawMesh(const SkMesh&, sk_sp<SkBlender>, const SkPaint&) { |
| // TODO |
| } |
| |
| void SkXPSDevice::drawPaint(const SkPaint& origPaint) { |
| const SkRect r = SkRect::MakeSize(this->fCurrentCanvasSize); |
| |
| //If trying to paint with a stroke, ignore that and fill. |
| SkPaint* fillPaint = const_cast<SkPaint*>(&origPaint); |
| SkTCopyOnFirstWrite<SkPaint> paint(origPaint); |
| if (paint->getStyle() != SkPaint::kFill_Style) { |
| paint.writable()->setStyle(SkPaint::kFill_Style); |
| } |
| |
| this->internalDrawRect(r, false, *fillPaint); |
| } |
| |
| void SkXPSDevice::drawRect(const SkRect& r, |
| const SkPaint& paint) { |
| this->internalDrawRect(r, true, paint); |
| } |
| |
| void SkXPSDevice::drawRRect(const SkRRect& rr, |
| const SkPaint& paint) { |
| SkPath path; |
| path.addRRect(rr); |
| this->drawPath(path, paint, true); |
| } |
| |
| static SkIRect size(const SkBaseDevice& dev) { return {0, 0, dev.width(), dev.height()}; } |
| |
| void SkXPSDevice::internalDrawRect(const SkRect& r, |
| bool transformRect, |
| const SkPaint& paint) { |
| //Exit early if there is nothing to draw. |
| if (this->cs().isEmpty(size(*this)) || |
| (paint.getAlpha() == 0 && paint.isSrcOver())) { |
| return; |
| } |
| |
| //Path the rect if we can't optimize it. |
| if (rect_must_be_pathed(paint, this->localToDevice())) { |
| SkPath tmp; |
| tmp.addRect(r); |
| tmp.setFillType(SkPathFillType::kWinding); |
| this->drawPath(tmp, paint, true); |
| return; |
| } |
| |
| //Create the shaded path. |
| SkTScopedComPtr<IXpsOMPath> shadedPath; |
| HRVM(this->fXpsFactory->CreatePath(&shadedPath), |
| "Could not create shaded path for rect."); |
| |
| //Create the shaded geometry. |
| SkTScopedComPtr<IXpsOMGeometry> shadedGeometry; |
| HRVM(this->fXpsFactory->CreateGeometry(&shadedGeometry), |
| "Could not create shaded geometry for rect."); |
| |
| //Add the geometry to the shaded path. |
| HRVM(shadedPath->SetGeometryLocal(shadedGeometry.get()), |
| "Could not set shaded geometry for rect."); |
| |
| //Set the brushes. |
| BOOL fill = FALSE; |
| BOOL stroke = FALSE; |
| HRV(this->shadePath(shadedPath.get(), paint, this->localToDevice(), &fill, &stroke)); |
| |
| bool xpsTransformsPath = true; |
| //Transform the geometry. |
| if (transformRect && xpsTransformsPath) { |
| SkTScopedComPtr<IXpsOMMatrixTransform> xpsTransform; |
| HRV(this->createXpsTransform(this->localToDevice(), &xpsTransform)); |
| if (xpsTransform.get()) { |
| HRVM(shadedGeometry->SetTransformLocal(xpsTransform.get()), |
| "Could not set transform for rect."); |
| } else { |
| xpsTransformsPath = false; |
| } |
| } |
| |
| //Create the figure. |
| SkTScopedComPtr<IXpsOMGeometryFigure> rectFigure; |
| { |
| SkPoint points[4] = { |
| { r.fLeft, r.fTop }, |
| { r.fLeft, r.fBottom }, |
| { r.fRight, r.fBottom }, |
| { r.fRight, r.fTop }, |
| }; |
| if (!xpsTransformsPath && transformRect) { |
| this->localToDevice().mapPoints(points, SK_ARRAY_COUNT(points)); |
| } |
| HRV(this->createXpsQuad(points, stroke, fill, &rectFigure)); |
| } |
| |
| //Get the figures of the shaded geometry. |
| SkTScopedComPtr<IXpsOMGeometryFigureCollection> shadedFigures; |
| HRVM(shadedGeometry->GetFigures(&shadedFigures), |
| "Could not get shaded figures for rect."); |
| |
| //Add the figure to the shaded geometry figures. |
| HRVM(shadedFigures->Append(rectFigure.get()), |
| "Could not add shaded figure for rect."); |
| |
| HRV(this->clip(shadedPath.get())); |
| |
| //Add the shaded path to the current visuals. |
| SkTScopedComPtr<IXpsOMVisualCollection> currentVisuals; |
| HRVM(this->fCurrentXpsCanvas->GetVisuals(¤tVisuals), |
| "Could not get current visuals for rect."); |
| HRVM(currentVisuals->Append(shadedPath.get()), |
| "Could not add rect to current visuals."); |
| } |
| |
| static HRESULT close_figure(const SkTDArray<XPS_SEGMENT_TYPE>& segmentTypes, |
| const SkTDArray<FLOAT>& segmentData, |
| const SkTDArray<BOOL>& segmentStrokes, |
| BOOL stroke, BOOL fill, |
| IXpsOMGeometryFigure* figure, |
| IXpsOMGeometryFigureCollection* figures) { |
| // Either all are empty or none are empty. |
| SkASSERT(( segmentTypes.empty() && segmentData.empty() && segmentStrokes.empty()) || |
| (!segmentTypes.empty() && !segmentData.empty() && !segmentStrokes.empty())); |
| |
| // SkTDArray::begin() may return nullptr when the segment is empty, |
| // but IXpsOMGeometryFigure::SetSegments returns E_POINTER if any of the pointers are nullptr |
| // even if the counts are all 0. |
| if (!segmentTypes.empty() && !segmentData.empty() && !segmentStrokes.empty()) { |
| // Add the segment data to the figure. |
| HRM(figure->SetSegments(segmentTypes.count(), segmentData.count(), |
| segmentTypes.begin(), segmentData.begin(), segmentStrokes.begin()), |
| "Could not set path segments."); |
| } |
| |
| // Set the closed and filled properties of the figure. |
| HRM(figure->SetIsClosed(stroke), "Could not set path closed."); |
| HRM(figure->SetIsFilled(fill), "Could not set path fill."); |
| |
| // Add the figure created above to this geometry. |
| HRM(figures->Append(figure), "Could not add path to geometry."); |
| return S_OK; |
| } |
| |
| HRESULT SkXPSDevice::addXpsPathGeometry( |
| IXpsOMGeometryFigureCollection* xpsFigures, |
| BOOL stroke, BOOL fill, const SkPath& path) { |
| SkTDArray<XPS_SEGMENT_TYPE> segmentTypes; |
| SkTDArray<FLOAT> segmentData; |
| SkTDArray<BOOL> segmentStrokes; |
| |
| SkTScopedComPtr<IXpsOMGeometryFigure> xpsFigure; |
| SkPath::Iter iter(path, true); |
| SkPoint points[4]; |
| SkPath::Verb verb; |
| while ((verb = iter.next(points)) != SkPath::kDone_Verb) { |
| switch (verb) { |
| case SkPath::kMove_Verb: { |
| if (xpsFigure.get()) { |
| HR(close_figure(segmentTypes, segmentData, segmentStrokes, |
| stroke, fill, |
| xpsFigure.get() , xpsFigures)); |
| segmentTypes.rewind(); |
| segmentData.rewind(); |
| segmentStrokes.rewind(); |
| xpsFigure.reset(); |
| } |
| // Define the start point. |
| XPS_POINT startPoint = xps_point(points[0]); |
| // Create the figure. |
| HRM(this->fXpsFactory->CreateGeometryFigure(&startPoint, |
| &xpsFigure), |
| "Could not create path geometry figure."); |
| break; |
| } |
| case SkPath::kLine_Verb: |
| if (iter.isCloseLine()) break; //ignore the line, auto-closed |
| segmentTypes.push_back(XPS_SEGMENT_TYPE_LINE); |
| segmentData.push_back(SkScalarToFLOAT(points[1].fX)); |
| segmentData.push_back(SkScalarToFLOAT(points[1].fY)); |
| segmentStrokes.push_back(stroke); |
| break; |
| case SkPath::kQuad_Verb: |
| segmentTypes.push_back(XPS_SEGMENT_TYPE_QUADRATIC_BEZIER); |
| segmentData.push_back(SkScalarToFLOAT(points[1].fX)); |
| segmentData.push_back(SkScalarToFLOAT(points[1].fY)); |
| segmentData.push_back(SkScalarToFLOAT(points[2].fX)); |
| segmentData.push_back(SkScalarToFLOAT(points[2].fY)); |
| segmentStrokes.push_back(stroke); |
| break; |
| case SkPath::kCubic_Verb: |
| segmentTypes.push_back(XPS_SEGMENT_TYPE_BEZIER); |
| segmentData.push_back(SkScalarToFLOAT(points[1].fX)); |
| segmentData.push_back(SkScalarToFLOAT(points[1].fY)); |
| segmentData.push_back(SkScalarToFLOAT(points[2].fX)); |
| segmentData.push_back(SkScalarToFLOAT(points[2].fY)); |
| segmentData.push_back(SkScalarToFLOAT(points[3].fX)); |
| segmentData.push_back(SkScalarToFLOAT(points[3].fY)); |
| segmentStrokes.push_back(stroke); |
| break; |
| case SkPath::kConic_Verb: { |
| const SkScalar tol = SK_Scalar1 / 4; |
| SkAutoConicToQuads converter; |
| const SkPoint* quads = |
| converter.computeQuads(points, iter.conicWeight(), tol); |
| for (int i = 0; i < converter.countQuads(); ++i) { |
| segmentTypes.push_back(XPS_SEGMENT_TYPE_QUADRATIC_BEZIER); |
| segmentData.push_back(SkScalarToFLOAT(quads[2 * i + 1].fX)); |
| segmentData.push_back(SkScalarToFLOAT(quads[2 * i + 1].fY)); |
| segmentData.push_back(SkScalarToFLOAT(quads[2 * i + 2].fX)); |
| segmentData.push_back(SkScalarToFLOAT(quads[2 * i + 2].fY)); |
| segmentStrokes.push_back(stroke); |
| } |
| break; |
| } |
| case SkPath::kClose_Verb: |
| // we ignore these, and just get the whole segment from |
| // the corresponding line/quad/cubic verbs |
| break; |
| default: |
| SkDEBUGFAIL("unexpected verb"); |
| break; |
| } |
| } |
| if (xpsFigure.get()) { |
| HR(close_figure(segmentTypes, segmentData, segmentStrokes, |
| stroke, fill, |
| xpsFigure.get(), xpsFigures)); |
| } |
| return S_OK; |
| } |
| |
| void SkXPSDevice::convertToPpm(const SkMaskFilter* filter, |
| SkMatrix* matrix, |
| SkVector* ppuScale, |
| const SkIRect& clip, SkIRect* clipIRect) { |
| //This action is in unit space, but the ppm is specified in physical space. |
| ppuScale->set(fCurrentPixelsPerMeter.fX / fCurrentUnitsPerMeter.fX, |
| fCurrentPixelsPerMeter.fY / fCurrentUnitsPerMeter.fY); |
| |
| matrix->postScale(ppuScale->fX, ppuScale->fY); |
| |
| const SkIRect& irect = clip; |
| SkRect clipRect = SkRect::MakeLTRB(SkIntToScalar(irect.fLeft) * ppuScale->fX, |
| SkIntToScalar(irect.fTop) * ppuScale->fY, |
| SkIntToScalar(irect.fRight) * ppuScale->fX, |
| SkIntToScalar(irect.fBottom) * ppuScale->fY); |
| clipRect.roundOut(clipIRect); |
| } |
| |
| HRESULT SkXPSDevice::applyMask(const SkMask& mask, |
| const SkVector& ppuScale, |
| IXpsOMPath* shadedPath) { |
| //Get the geometry object. |
| SkTScopedComPtr<IXpsOMGeometry> shadedGeometry; |
| HRM(shadedPath->GetGeometry(&shadedGeometry), |
| "Could not get mask shaded geometry."); |
| |
| //Get the figures from the geometry. |
| SkTScopedComPtr<IXpsOMGeometryFigureCollection> shadedFigures; |
| HRM(shadedGeometry->GetFigures(&shadedFigures), |
| "Could not get mask shaded figures."); |
| |
| SkMatrix m; |
| m.reset(); |
| m.setTranslate(SkIntToScalar(mask.fBounds.fLeft), |
| SkIntToScalar(mask.fBounds.fTop)); |
| m.postScale(SkScalarInvert(ppuScale.fX), SkScalarInvert(ppuScale.fY)); |
| |
| SkTileMode xy[2]; |
| xy[0] = (SkTileMode)3; |
| xy[1] = (SkTileMode)3; |
| |
| SkBitmap bm; |
| bm.installMaskPixels(mask); |
| |
| SkTScopedComPtr<IXpsOMTileBrush> maskBrush; |
| HR(this->createXpsImageBrush(bm, m, xy, 0xFF, &maskBrush)); |
| HRM(shadedPath->SetOpacityMaskBrushLocal(maskBrush.get()), |
| "Could not set mask."); |
| |
| const SkRect universeRect = SkRect::MakeLTRB(0, 0, |
| this->fCurrentCanvasSize.fWidth, this->fCurrentCanvasSize.fHeight); |
| SkTScopedComPtr<IXpsOMGeometryFigure> shadedFigure; |
| HRM(this->createXpsRect(universeRect, FALSE, TRUE, &shadedFigure), |
| "Could not create mask shaded figure."); |
| HRM(shadedFigures->Append(shadedFigure.get()), |
| "Could not add mask shaded figure."); |
| |
| HR(this->clip(shadedPath)); |
| |
| //Add the path to the active visual collection. |
| SkTScopedComPtr<IXpsOMVisualCollection> currentVisuals; |
| HRM(this->fCurrentXpsCanvas->GetVisuals(¤tVisuals), |
| "Could not get mask current visuals."); |
| HRM(currentVisuals->Append(shadedPath), |
| "Could not add masked shaded path to current visuals."); |
| |
| return S_OK; |
| } |
| |
| HRESULT SkXPSDevice::shadePath(IXpsOMPath* shadedPath, |
| const SkPaint& shaderPaint, |
| const SkMatrix& matrix, |
| BOOL* fill, BOOL* stroke) { |
| *fill = FALSE; |
| *stroke = FALSE; |
| |
| const SkPaint::Style style = shaderPaint.getStyle(); |
| const bool hasFill = SkPaint::kFill_Style == style |
| || SkPaint::kStrokeAndFill_Style == style; |
| const bool hasStroke = SkPaint::kStroke_Style == style |
| || SkPaint::kStrokeAndFill_Style == style; |
| |
| //TODO(bungeman): use dictionaries and lookups. |
| if (hasFill) { |
| *fill = TRUE; |
| SkTScopedComPtr<IXpsOMBrush> fillBrush; |
| HR(this->createXpsBrush(shaderPaint, &fillBrush, &matrix)); |
| HRM(shadedPath->SetFillBrushLocal(fillBrush.get()), |
| "Could not set fill for shaded path."); |
| } |
| |
| if (hasStroke) { |
| *stroke = TRUE; |
| SkTScopedComPtr<IXpsOMBrush> strokeBrush; |
| HR(this->createXpsBrush(shaderPaint, &strokeBrush, &matrix)); |
| HRM(shadedPath->SetStrokeBrushLocal(strokeBrush.get()), |
| "Could not set stroke brush for shaded path."); |
| HRM(shadedPath->SetStrokeThickness( |
| SkScalarToFLOAT(shaderPaint.getStrokeWidth())), |
| "Could not set shaded path stroke thickness."); |
| |
| if (0 == shaderPaint.getStrokeWidth()) { |
| //XPS hair width is a hack. (XPS Spec 11.6.12). |
| SkTScopedComPtr<IXpsOMDashCollection> dashes; |
| HRM(shadedPath->GetStrokeDashes(&dashes), |
| "Could not set dashes for shaded path."); |
| XPS_DASH dash; |
| dash.length = 1.0; |
| dash.gap = 0.0; |
| HRM(dashes->Append(&dash), "Could not add dashes to shaded path."); |
| HRM(shadedPath->SetStrokeDashOffset(-2.0), |
| "Could not set dash offset for shaded path."); |
| } |
| } |
| return S_OK; |
| } |
| |
| void SkXPSDevice::drawPath(const SkPath& platonicPath, |
| const SkPaint& origPaint, |
| bool pathIsMutable) { |
| SkTCopyOnFirstWrite<SkPaint> paint(origPaint); |
| |
| // nothing to draw |
| if (this->cs().isEmpty(size(*this)) || |
| (paint->getAlpha() == 0 && paint->isSrcOver())) { |
| return; |
| } |
| |
| SkPath modifiedPath; |
| const bool paintHasPathEffect = paint->getPathEffect() |
| || paint->getStyle() != SkPaint::kFill_Style; |
| |
| //Apply pre-path matrix [Platonic-path -> Skeletal-path]. |
| SkMatrix matrix = this->localToDevice(); |
| SkPath* skeletalPath = const_cast<SkPath*>(&platonicPath); |
| |
| //Apply path effect [Skeletal-path -> Fillable-path]. |
| SkPath* fillablePath = skeletalPath; |
| if (paintHasPathEffect) { |
| if (!pathIsMutable) { |
| fillablePath = &modifiedPath; |
| pathIsMutable = true; |
| } |
| bool fill = paint->getFillPath(*skeletalPath, fillablePath); |
| |
| SkPaint* writablePaint = paint.writable(); |
| writablePaint->setPathEffect(nullptr); |
| if (fill) { |
| writablePaint->setStyle(SkPaint::kFill_Style); |
| } else { |
| writablePaint->setStyle(SkPaint::kStroke_Style); |
| writablePaint->setStrokeWidth(0); |
| } |
| } |
| |
| //Create the shaded path. This will be the path which is painted. |
| SkTScopedComPtr<IXpsOMPath> shadedPath; |
| HRVM(this->fXpsFactory->CreatePath(&shadedPath), |
| "Could not create shaded path for path."); |
| |
| //Create the geometry for the shaded path. |
| SkTScopedComPtr<IXpsOMGeometry> shadedGeometry; |
| HRVM(this->fXpsFactory->CreateGeometry(&shadedGeometry), |
| "Could not create shaded geometry for path."); |
| |
| //Add the geometry to the shaded path. |
| HRVM(shadedPath->SetGeometryLocal(shadedGeometry.get()), |
| "Could not add the shaded geometry to shaded path."); |
| |
| SkMaskFilter* filter = paint->getMaskFilter(); |
| |
| //Determine if we will draw or shade and mask. |
| if (filter) { |
| if (paint->getStyle() != SkPaint::kFill_Style) { |
| paint.writable()->setStyle(SkPaint::kFill_Style); |
| } |
| } |
| |
| //Set the brushes. |
| BOOL fill; |
| BOOL stroke; |
| HRV(this->shadePath(shadedPath.get(), |
| *paint, |
| this->localToDevice(), |
| &fill, |
| &stroke)); |
| |
| //Mask filter |
| if (filter) { |
| SkIRect clipIRect; |
| SkVector ppuScale; |
| this->convertToPpm(filter, |
| &matrix, |
| &ppuScale, |
| this->cs().bounds(size(*this)).roundOut(), |
| &clipIRect); |
| |
| //[Fillable-path -> Pixel-path] |
| SkPath* pixelPath = pathIsMutable ? fillablePath : &modifiedPath; |
| fillablePath->transform(matrix, pixelPath); |
| |
| SkMask* mask = nullptr; |
| |
| SkASSERT(SkPaint::kFill_Style == paint->getStyle() || |
| (SkPaint::kStroke_Style == paint->getStyle() && 0 == paint->getStrokeWidth())); |
| SkStrokeRec::InitStyle style = (SkPaint::kFill_Style == paint->getStyle()) |
| ? SkStrokeRec::kFill_InitStyle |
| : SkStrokeRec::kHairline_InitStyle; |
| //[Pixel-path -> Mask] |
| SkMask rasteredMask; |
| if (SkDraw::DrawToMask( |
| *pixelPath, |
| clipIRect, |
| filter, //just to compute how much to draw. |
| &matrix, |
| &rasteredMask, |
| SkMask::kComputeBoundsAndRenderImage_CreateMode, |
| style)) { |
| |
| SkAutoMaskFreeImage rasteredAmi(rasteredMask.fImage); |
| mask = &rasteredMask; |
| |
| //[Mask -> Mask] |
| SkMask filteredMask; |
| if (as_MFB(filter)->filterMask(&filteredMask, rasteredMask, matrix, nullptr)) { |
| mask = &filteredMask; |
| } |
| SkAutoMaskFreeImage filteredAmi(filteredMask.fImage); |
| |
| //Draw mask. |
| HRV(this->applyMask(*mask, ppuScale, shadedPath.get())); |
| } |
| return; |
| } |
| |
| //Get the figures from the shaded geometry. |
| SkTScopedComPtr<IXpsOMGeometryFigureCollection> shadedFigures; |
| HRVM(shadedGeometry->GetFigures(&shadedFigures), |
| "Could not get shaded figures for shaded path."); |
| |
| bool xpsTransformsPath = true; |
| |
| //Set the fill rule. |
| SkPath* xpsCompatiblePath = fillablePath; |
| XPS_FILL_RULE xpsFillRule; |
| switch (fillablePath->getFillType()) { |
| case SkPathFillType::kWinding: |
| xpsFillRule = XPS_FILL_RULE_NONZERO; |
| break; |
| case SkPathFillType::kEvenOdd: |
| xpsFillRule = XPS_FILL_RULE_EVENODD; |
| break; |
| case SkPathFillType::kInverseWinding: { |
| //[Fillable-path (inverse winding) -> XPS-path (inverse even odd)] |
| if (!pathIsMutable) { |
| xpsCompatiblePath = &modifiedPath; |
| pathIsMutable = true; |
| } |
| if (!Simplify(*fillablePath, xpsCompatiblePath)) { |
| SkDEBUGF("Could not simplify inverse winding path."); |
| return; |
| } |
| } |
| [[fallthrough]]; // The xpsCompatiblePath is now inverse even odd, so fall through. |
| case SkPathFillType::kInverseEvenOdd: { |
| const SkRect universe = SkRect::MakeLTRB( |
| 0, 0, |
| this->fCurrentCanvasSize.fWidth, |
| this->fCurrentCanvasSize.fHeight); |
| SkTScopedComPtr<IXpsOMGeometryFigure> addOneFigure; |
| HRV(this->createXpsRect(universe, FALSE, TRUE, &addOneFigure)); |
| HRVM(shadedFigures->Append(addOneFigure.get()), |
| "Could not add even-odd flip figure to shaded path."); |
| xpsTransformsPath = false; |
| xpsFillRule = XPS_FILL_RULE_EVENODD; |
| break; |
| } |
| default: |
| SkDEBUGFAIL("Unknown SkPath::FillType."); |
| } |
| HRVM(shadedGeometry->SetFillRule(xpsFillRule), |
| "Could not set fill rule for shaded path."); |
| |
| //Create the XPS transform, if possible. |
| if (xpsTransformsPath) { |
| SkTScopedComPtr<IXpsOMMatrixTransform> xpsTransform; |
| HRV(this->createXpsTransform(matrix, &xpsTransform)); |
| |
| if (xpsTransform.get()) { |
| HRVM(shadedGeometry->SetTransformLocal(xpsTransform.get()), |
| "Could not set transform on shaded path."); |
| } else { |
| xpsTransformsPath = false; |
| } |
| } |
| |
| SkPath* devicePath = xpsCompatiblePath; |
| if (!xpsTransformsPath) { |
| //[Fillable-path -> Device-path] |
| devicePath = pathIsMutable ? xpsCompatiblePath : &modifiedPath; |
| xpsCompatiblePath->transform(matrix, devicePath); |
| } |
| HRV(this->addXpsPathGeometry(shadedFigures.get(), |
| stroke, fill, *devicePath)); |
| |
| HRV(this->clip(shadedPath.get())); |
| |
| //Add the path to the active visual collection. |
| SkTScopedComPtr<IXpsOMVisualCollection> currentVisuals; |
| HRVM(this->fCurrentXpsCanvas->GetVisuals(¤tVisuals), |
| "Could not get current visuals for shaded path."); |
| HRVM(currentVisuals->Append(shadedPath.get()), |
| "Could not add shaded path to current visuals."); |
| } |
| |
| HRESULT SkXPSDevice::clip(IXpsOMVisual* xpsVisual) { |
| if (this->cs().isWideOpen()) { |
| return S_OK; |
| } |
| SkPath clipPath; |
| // clipPath.addRect(this->cs().bounds(size(*this))); |
| SkClipStack_AsPath(this->cs(), &clipPath); |
| // TODO: handle all the kinds of paths, like drawPath does |
| return this->clipToPath(xpsVisual, clipPath, XPS_FILL_RULE_EVENODD); |
| } |
| HRESULT SkXPSDevice::clipToPath(IXpsOMVisual* xpsVisual, |
| const SkPath& clipPath, |
| XPS_FILL_RULE fillRule) { |
| //Create the geometry. |
| SkTScopedComPtr<IXpsOMGeometry> clipGeometry; |
| HRM(this->fXpsFactory->CreateGeometry(&clipGeometry), |
| "Could not create clip geometry."); |
| |
| //Get the figure collection of the geometry. |
| SkTScopedComPtr<IXpsOMGeometryFigureCollection> clipFigures; |
| HRM(clipGeometry->GetFigures(&clipFigures), |
| "Could not get the clip figures."); |
| |
| //Create the figures into the geometry. |
| HR(this->addXpsPathGeometry( |
| clipFigures.get(), |
| FALSE, TRUE, clipPath)); |
| |
| HRM(clipGeometry->SetFillRule(fillRule), |
| "Could not set fill rule."); |
| HRM(xpsVisual->SetClipGeometryLocal(clipGeometry.get()), |
| "Could not set clip geometry."); |
| |
| return S_OK; |
| } |
| |
| HRESULT SkXPSDevice::CreateTypefaceUse(const SkFont& font, |
| TypefaceUse** typefaceUse) { |
| SkTypeface* typeface = font.getTypefaceOrDefault(); |
| |
| //Check cache. |
| const SkTypefaceID typefaceID = typeface->uniqueID(); |
| for (TypefaceUse& current : *this->fTopTypefaces) { |
| if (current.typefaceId == typefaceID) { |
| *typefaceUse = ¤t; |
| return S_OK; |
| } |
| } |
| |
| //TODO: create glyph only fonts |
| //and let the host deal with what kind of font we're looking at. |
| XPS_FONT_EMBEDDING embedding = XPS_FONT_EMBEDDING_RESTRICTED; |
| |
| SkTScopedComPtr<IStream> fontStream; |
| int ttcIndex; |
| std::unique_ptr<SkStreamAsset> fontData = typeface->openStream(&ttcIndex); |
| if (!fontData) { |
| return E_NOTIMPL; |
| } |
| //TODO: cannot handle FON fonts. |
| HRM(SkIStream::CreateFromSkStream(fontData->duplicate(), &fontStream), |
| "Could not create font stream."); |
| |
| const size_t size = |
| SK_ARRAY_COUNT(L"/Resources/Fonts/" L_GUID_ID L".odttf"); |
| wchar_t buffer[size]; |
| wchar_t id[GUID_ID_LEN]; |
| HR(this->createId(id, GUID_ID_LEN)); |
| swprintf_s(buffer, size, L"/Resources/Fonts/%s.odttf", id); |
| |
| SkTScopedComPtr<IOpcPartUri> partUri; |
| HRM(this->fXpsFactory->CreatePartUri(buffer, &partUri), |
| "Could not create font resource part uri."); |
| |
| SkTScopedComPtr<IXpsOMFontResource> xpsFontResource; |
| HRM(this->fXpsFactory->CreateFontResource(fontStream.get(), |
| embedding, |
| partUri.get(), |
| FALSE, |
| &xpsFontResource), |
| "Could not create font resource."); |
| |
| //TODO: change openStream to return -1 for non-ttc, get rid of this. |
| uint8_t* data = (uint8_t*)fontData->getMemoryBase(); |
| bool isTTC = (data && |
| fontData->getLength() >= sizeof(SkTTCFHeader) && |
| ((SkTTCFHeader*)data)->ttcTag == SkTTCFHeader::TAG); |
| |
| int glyphCount = typeface->countGlyphs(); |
| |
| TypefaceUse& newTypefaceUse = this->fTopTypefaces->emplace_back( |
| typefaceID, |
| isTTC ? ttcIndex : -1, |
| std::move(fontData), |
| std::move(xpsFontResource), |
| glyphCount); |
| |
| *typefaceUse = &newTypefaceUse; |
| return S_OK; |
| } |
| |
| HRESULT SkXPSDevice::AddGlyphs(IXpsOMObjectFactory* xpsFactory, |
| IXpsOMCanvas* canvas, |
| const TypefaceUse* font, |
| LPCWSTR text, |
| XPS_GLYPH_INDEX* xpsGlyphs, |
| UINT32 xpsGlyphsLen, |
| XPS_POINT *origin, |
| FLOAT fontSize, |
| XPS_STYLE_SIMULATION sims, |
| const SkMatrix& transform, |
| const SkPaint& paint) { |
| SkTScopedComPtr<IXpsOMGlyphs> glyphs; |
| HRM(xpsFactory->CreateGlyphs(font->xpsFont.get(), &glyphs), "Could not create glyphs."); |
| HRM(glyphs->SetFontFaceIndex(font->ttcIndex), "Could not set glyph font face index."); |
| |
| //XPS uses affine transformations for everything... |
| //...except positioning text. |
| bool useCanvasForClip; |
| if (transform.isTranslate()) { |
| origin->x += SkScalarToFLOAT(transform.getTranslateX()); |
| origin->y += SkScalarToFLOAT(transform.getTranslateY()); |
| useCanvasForClip = false; |
| } else { |
| SkTScopedComPtr<IXpsOMMatrixTransform> xpsMatrixToUse; |
| HR(this->createXpsTransform(transform, &xpsMatrixToUse)); |
| if (xpsMatrixToUse.get()) { |
| HRM(glyphs->SetTransformLocal(xpsMatrixToUse.get()), |
| "Could not set transform matrix."); |
| useCanvasForClip = true; |
| } else { |
| SkDEBUGFAIL("Attempt to add glyphs in perspective."); |
| useCanvasForClip = false; |
| } |
| } |
| |
| SkTScopedComPtr<IXpsOMGlyphsEditor> glyphsEditor; |
| HRM(glyphs->GetGlyphsEditor(&glyphsEditor), "Could not get glyph editor."); |
| |
| if (text) { |
| HRM(glyphsEditor->SetUnicodeString(text), |
| "Could not set unicode string."); |
| } |
| |
| if (xpsGlyphs) { |
| HRM(glyphsEditor->SetGlyphIndices(xpsGlyphsLen, xpsGlyphs), |
| "Could not set glyphs."); |
| } |
| |
| HRM(glyphsEditor->ApplyEdits(), "Could not apply glyph edits."); |
| |
| SkTScopedComPtr<IXpsOMBrush> xpsFillBrush; |
| HR(this->createXpsBrush( |
| paint, |
| &xpsFillBrush, |
| useCanvasForClip ? nullptr : &transform)); |
| |
| HRM(glyphs->SetFillBrushLocal(xpsFillBrush.get()), |
| "Could not set fill brush."); |
| |
| HRM(glyphs->SetOrigin(origin), "Could not set glyph origin."); |
| |
| HRM(glyphs->SetFontRenderingEmSize(fontSize), |
| "Could not set font size."); |
| |
| HRM(glyphs->SetStyleSimulations(sims), |
| "Could not set style simulations."); |
| |
| SkTScopedComPtr<IXpsOMVisualCollection> visuals; |
| HRM(canvas->GetVisuals(&visuals), "Could not get glyph canvas visuals."); |
| |
| if (!useCanvasForClip) { |
| HR(this->clip(glyphs.get())); |
| HRM(visuals->Append(glyphs.get()), "Could not add glyphs to canvas."); |
| } else { |
| SkTScopedComPtr<IXpsOMCanvas> glyphCanvas; |
| HRM(this->fXpsFactory->CreateCanvas(&glyphCanvas), |
| "Could not create glyph canvas."); |
| |
| SkTScopedComPtr<IXpsOMVisualCollection> glyphCanvasVisuals; |
| HRM(glyphCanvas->GetVisuals(&glyphCanvasVisuals), |
| "Could not get glyph visuals collection."); |
| |
| HRM(glyphCanvasVisuals->Append(glyphs.get()), |
| "Could not add glyphs to page."); |
| HR(this->clip(glyphCanvas.get())); |
| |
| HRM(visuals->Append(glyphCanvas.get()), |
| "Could not add glyph canvas to page."); |
| } |
| |
| return S_OK; |
| } |
| |
| static bool text_must_be_pathed(const SkPaint& paint, const SkMatrix& matrix) { |
| const SkPaint::Style style = paint.getStyle(); |
| return matrix.hasPerspective() |
| || SkPaint::kStroke_Style == style |
| || SkPaint::kStrokeAndFill_Style == style |
| || paint.getMaskFilter() |
| ; |
| } |
| |
| void SkXPSDevice::onDrawGlyphRunList(SkCanvas*, |
| const sktext::GlyphRunList& glyphRunList, |
| const SkPaint& initailPaint, |
| const SkPaint& drawingPaint) { |
| SkASSERT(!glyphRunList.hasRSXForm()); |
| |
| for (const auto& run : glyphRunList) { |
| const SkGlyphID* glyphIDs = run.glyphsIDs().data(); |
| size_t glyphCount = run.glyphsIDs().size(); |
| const SkFont& font = run.font(); |
| |
| if (!glyphCount || !glyphIDs || font.getSize() <= 0) { |
| continue; |
| } |
| |
| TypefaceUse* typeface; |
| if (FAILED(CreateTypefaceUse(font, &typeface)) || |
| text_must_be_pathed(drawingPaint, this->localToDevice())) { |
| SkPath path; |
| //TODO: make this work, Draw currently does not handle as well. |
| //paint.getTextPath(text, byteLength, x, y, &path); |
| //this->drawPath(path, paint, nullptr, true); |
| //TODO: add automation "text" |
| continue; |
| } |
| |
| //TODO: handle font scale and skew in x (text_scale_skew) |
| |
| // Advance width and offsets for glyphs measured in hundredths of the font em size |
| // (XPS Spec 5.1.3). |
| FLOAT centemPerUnit = 100.0f / SkScalarToFLOAT(font.getSize()); |
| SkAutoSTMalloc<32, XPS_GLYPH_INDEX> xpsGlyphs(glyphCount); |
| size_t numGlyphs = typeface->glyphsUsed.size(); |
| size_t actualGlyphCount = 0; |
| |
| for (size_t i = 0; i < glyphCount; ++i) { |
| if (numGlyphs <= glyphIDs[i]) { |
| continue; |
| } |
| const SkPoint& position = run.positions()[i]; |
| XPS_GLYPH_INDEX& xpsGlyph = xpsGlyphs[actualGlyphCount++]; |
| xpsGlyph.index = glyphIDs[i]; |
| xpsGlyph.advanceWidth = 0.0f; |
| xpsGlyph.horizontalOffset = (SkScalarToFloat(position.fX) * centemPerUnit); |
| xpsGlyph.verticalOffset = (SkScalarToFloat(position.fY) * -centemPerUnit); |
| typeface->glyphsUsed.set(xpsGlyph.index); |
| } |
| |
| if (actualGlyphCount == 0) { |
| return; |
| } |
| |
| XPS_POINT origin = { |
| glyphRunList.origin().x(), |
| glyphRunList.origin().y(), |
| }; |
| |
| HRV(AddGlyphs(this->fXpsFactory.get(), |
| this->fCurrentXpsCanvas.get(), |
| typeface, |
| nullptr, |
| xpsGlyphs.get(), actualGlyphCount, |
| &origin, |
| SkScalarToFLOAT(font.getSize()), |
| XPS_STYLE_SIMULATION_NONE, |
| this->localToDevice(), |
| drawingPaint)); |
| } |
| } |
| |
| void SkXPSDevice::drawDevice(SkBaseDevice* dev, const SkSamplingOptions&, const SkPaint&) { |
| SkXPSDevice* that = static_cast<SkXPSDevice*>(dev); |
| SkASSERT(that->fTopTypefaces == this->fTopTypefaces); |
| |
| SkTScopedComPtr<IXpsOMMatrixTransform> xpsTransform; |
| HRVM(this->createXpsTransform(dev->getRelativeTransform(*this), &xpsTransform), |
| "Could not create layer transform."); |
| HRVM(that->fCurrentXpsCanvas->SetTransformLocal(xpsTransform.get()), |
| "Could not set layer transform."); |
| |
| //Get the current visual collection and add the layer to it. |
| SkTScopedComPtr<IXpsOMVisualCollection> currentVisuals; |
| HRVM(this->fCurrentXpsCanvas->GetVisuals(¤tVisuals), |
| "Could not get current visuals for layer."); |
| HRVM(currentVisuals->Append(that->fCurrentXpsCanvas.get()), |
| "Could not add layer to current visuals."); |
| } |
| |
| SkBaseDevice* SkXPSDevice::onCreateDevice(const CreateInfo& info, const SkPaint*) { |
| //Conditional for bug compatibility with PDF device. |
| #if 0 |
| if (SkBaseDevice::kGeneral_Usage == info.fUsage) { |
| return nullptr; |
| //To what stream do we write? |
| //SkXPSDevice* dev = new SkXPSDevice(this); |
| //SkSize s = SkSize::Make(width, height); |
| //dev->BeginCanvas(s, s, SkMatrix::I()); |
| //return dev; |
| } |
| #endif |
| SkXPSDevice* dev = new SkXPSDevice(info.fInfo.dimensions()); |
| dev->fXpsFactory.reset(SkRefComPtr(fXpsFactory.get())); |
| dev->fCurrentCanvasSize = this->fCurrentCanvasSize; |
| dev->fCurrentUnitsPerMeter = this->fCurrentUnitsPerMeter; |
| dev->fCurrentPixelsPerMeter = this->fCurrentPixelsPerMeter; |
| dev->fTopTypefaces = this->fTopTypefaces; |
| SkAssertResult(dev->createCanvasForLayer()); |
| return dev; |
| } |
| |
| void SkXPSDevice::drawOval( const SkRect& o, const SkPaint& p) { |
| SkPath path; |
| path.addOval(o); |
| this->drawPath(path, p, true); |
| } |
| |
| void SkXPSDevice::drawImageRect(const SkImage* image, |
| const SkRect* src, |
| const SkRect& dst, |
| const SkSamplingOptions& sampling, |
| const SkPaint& paint, |
| SkCanvas::SrcRectConstraint constraint) { |
| // TODO: support gpu images |
| SkBitmap bitmap; |
| if (!as_IB(image)->getROPixels(nullptr, &bitmap)) { |
| return; |
| } |
| |
| SkRect bitmapBounds = SkRect::Make(bitmap.bounds()); |
| SkRect srcBounds = src ? *src : bitmapBounds; |
| SkMatrix matrix = SkMatrix::RectToRect(srcBounds, dst); |
| SkRect actualDst; |
| if (!src || bitmapBounds.contains(*src)) { |
| actualDst = dst; |
| } else { |
| if (!srcBounds.intersect(bitmapBounds)) { |
| return; |
| } |
| matrix.mapRect(&actualDst, srcBounds); |
| } |
| |
| auto bitmapShader = SkMakeBitmapShaderForPaint(paint, bitmap, |
| SkTileMode::kClamp, SkTileMode::kClamp, |
| sampling, &matrix, kNever_SkCopyPixelsMode); |
| SkASSERT(bitmapShader); |
| if (!bitmapShader) { return; } |
| SkPaint paintWithShader(paint); |
| paintWithShader.setStyle(SkPaint::kFill_Style); |
| paintWithShader.setShader(std::move(bitmapShader)); |
| this->drawRect(actualDst, paintWithShader); |
| } |
| #endif//defined(SK_BUILD_FOR_WIN) |