michael@0: /*
michael@0:  * Copyright 2011 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #ifndef SkXPSDevice_DEFINED
michael@0: #define SkXPSDevice_DEFINED
michael@0: 
michael@0: #include "SkTypes.h"
michael@0: #include <ObjBase.h>
michael@0: #include <XpsObjectModel.h>
michael@0: 
michael@0: #include "SkAutoCoInitialize.h"
michael@0: #include "SkBitmapDevice.h"
michael@0: #include "SkBitSet.h"
michael@0: #include "SkCanvas.h"
michael@0: #include "SkColor.h"
michael@0: #include "SkPaint.h"
michael@0: #include "SkPath.h"
michael@0: #include "SkPoint.h"
michael@0: #include "SkShader.h"
michael@0: #include "SkSize.h"
michael@0: #include "SkTArray.h"
michael@0: #include "SkTScopedComPtr.h"
michael@0: #include "SkTypeface.h"
michael@0: 
michael@0: /** \class SkXPSDevice
michael@0: 
michael@0:     The drawing context for the XPS backend.
michael@0: */
michael@0: class SkXPSDevice : public SkBitmapDevice {
michael@0: public:
michael@0:     SK_API SkXPSDevice();
michael@0:     SK_API virtual ~SkXPSDevice();
michael@0: 
michael@0:     virtual bool beginPortfolio(SkWStream* outputStream);
michael@0:     /**
michael@0:       @param unitsPerMeter converts geometry units into physical units.
michael@0:       @param pixelsPerMeter resolution to use when geometry must be rasterized.
michael@0:       @param trimSize final page size in physical units.
michael@0:                       The top left of the trim is the origin of physical space.
michael@0:       @param mediaBox The size of the physical media in physical units.
michael@0:                       The top and left must be less than zero.
michael@0:                       The bottom and right must be greater than the trimSize.
michael@0:                       The default is to coincide with the trimSize.
michael@0:       @param bleedBox The size of the bleed box in physical units.
michael@0:                       Must be contained within the mediaBox.
michael@0:                       The default is to coincide with the mediaBox.
michael@0:       @param artBox The size of the content box in physical units.
michael@0:                     Must be contained within the trimSize.
michael@0:                     The default is to coincide with the trimSize.
michael@0:       @param cropBox The size of the recommended view port in physical units.
michael@0:                      Must be contained within the mediaBox.
michael@0:                      The default is to coincide with the mediaBox.
michael@0:      */
michael@0:     virtual bool beginSheet(
michael@0:         const SkVector& unitsPerMeter,
michael@0:         const SkVector& pixelsPerMeter,
michael@0:         const SkSize& trimSize,
michael@0:         const SkRect* mediaBox = NULL,
michael@0:         const SkRect* bleedBox = NULL,
michael@0:         const SkRect* artBox = NULL,
michael@0:         const SkRect* cropBox = NULL);
michael@0: 
michael@0:     virtual bool endSheet();
michael@0:     virtual bool endPortfolio();
michael@0: 
michael@0: protected:
michael@0:     virtual void clear(SkColor color) SK_OVERRIDE;
michael@0: 
michael@0:     virtual void drawPaint(const SkDraw&, const SkPaint& paint) SK_OVERRIDE;
michael@0: 
michael@0:     virtual void drawPoints(
michael@0:         const SkDraw&,
michael@0:         SkCanvas::PointMode mode,
michael@0:         size_t count, const SkPoint[],
michael@0:         const SkPaint& paint) SK_OVERRIDE;
michael@0: 
michael@0:     virtual void drawRect(
michael@0:         const SkDraw&,
michael@0:         const SkRect& r,
michael@0:         const SkPaint& paint) SK_OVERRIDE;
michael@0: 
michael@0:     virtual void drawRRect(
michael@0:         const SkDraw&,
michael@0:         const SkRRect&,
michael@0:         const SkPaint& paint) SK_OVERRIDE;
michael@0: 
michael@0:     virtual void drawPath(
michael@0:         const SkDraw&,
michael@0:         const SkPath& platonicPath,
michael@0:         const SkPaint& paint,
michael@0:         const SkMatrix* prePathMatrix,
michael@0:         bool pathIsMutable) SK_OVERRIDE;
michael@0: 
michael@0:     virtual void drawBitmap(
michael@0:         const SkDraw&,
michael@0:         const SkBitmap& bitmap,
michael@0:         const SkMatrix& matrix,
michael@0:         const SkPaint& paint) SK_OVERRIDE;
michael@0: 
michael@0:     virtual void drawSprite(
michael@0:         const SkDraw&,
michael@0:         const SkBitmap& bitmap,
michael@0:         int x, int y,
michael@0:         const SkPaint& paint) SK_OVERRIDE;
michael@0: 
michael@0:     virtual void drawText(
michael@0:         const SkDraw&,
michael@0:         const void* text, size_t len,
michael@0:         SkScalar x, SkScalar y,
michael@0:         const SkPaint& paint) SK_OVERRIDE;
michael@0: 
michael@0:     virtual void drawPosText(
michael@0:         const SkDraw&,
michael@0:         const void* text, size_t len,
michael@0:         const SkScalar pos[], SkScalar constY, int scalarsPerPos,
michael@0:         const SkPaint& paint) SK_OVERRIDE;
michael@0: 
michael@0:     virtual void drawTextOnPath(
michael@0:         const SkDraw&,
michael@0:         const void* text, size_t len,
michael@0:         const SkPath& path,
michael@0:         const SkMatrix* matrix,
michael@0:         const SkPaint& paint) SK_OVERRIDE;
michael@0: 
michael@0:     virtual void drawVertices(
michael@0:         const SkDraw&,
michael@0:         SkCanvas::VertexMode,
michael@0:         int vertexCount, const SkPoint verts[],
michael@0:         const SkPoint texs[], const SkColor colors[],
michael@0:         SkXfermode* xmode,
michael@0:         const uint16_t indices[], int indexCount,
michael@0:         const SkPaint& paint) SK_OVERRIDE;
michael@0: 
michael@0:     virtual void drawDevice(
michael@0:         const SkDraw&,
michael@0:         SkBaseDevice* device,
michael@0:         int x, int y,
michael@0:         const SkPaint& paint) SK_OVERRIDE;
michael@0: 
michael@0:     virtual bool onReadPixels(const SkBitmap& bitmap,
michael@0:                               int x,
michael@0:                               int y,
michael@0:                               SkCanvas::Config8888) SK_OVERRIDE;
michael@0: 
michael@0:     virtual bool allowImageFilter(const SkImageFilter*) SK_OVERRIDE;
michael@0: 
michael@0: private:
michael@0:     class TypefaceUse : ::SkNoncopyable {
michael@0:     public:
michael@0:         SkFontID typefaceId;
michael@0:         int ttcIndex;
michael@0:         SkStream* fontData;
michael@0:         IXpsOMFontResource* xpsFont;
michael@0:         SkBitSet* glyphsUsed;
michael@0: 
michael@0:         explicit TypefaceUse();
michael@0:         ~TypefaceUse();
michael@0:     };
michael@0:     friend static HRESULT subset_typeface(TypefaceUse* current);
michael@0: 
michael@0:     SkXPSDevice(IXpsOMObjectFactory* xpsFactory);
michael@0: 
michael@0:     SkAutoCoInitialize fAutoCo;
michael@0:     SkTScopedComPtr<IXpsOMObjectFactory> fXpsFactory;
michael@0:     SkTScopedComPtr<IStream> fOutputStream;
michael@0:     SkTScopedComPtr<IXpsOMPackageWriter> fPackageWriter;
michael@0: 
michael@0:     unsigned int fCurrentPage;
michael@0:     SkTScopedComPtr<IXpsOMCanvas> fCurrentXpsCanvas;
michael@0:     SkSize fCurrentCanvasSize;
michael@0:     SkVector fCurrentUnitsPerMeter;
michael@0:     SkVector fCurrentPixelsPerMeter;
michael@0: 
michael@0:     SkTArray<TypefaceUse, true> fTypefaces;
michael@0: 
michael@0:     HRESULT initXpsDocumentWriter(IXpsOMImageResource* image);
michael@0: 
michael@0:     HRESULT createXpsPage(
michael@0:         const XPS_SIZE& pageSize,
michael@0:         IXpsOMPage** page);
michael@0: 
michael@0:     HRESULT createXpsThumbnail(
michael@0:         IXpsOMPage* page, const unsigned int pageNumber,
michael@0:         IXpsOMImageResource** image);
michael@0: 
michael@0:     void internalDrawRect(
michael@0:         const SkDraw&,
michael@0:         const SkRect& r,
michael@0:         bool transformRect,
michael@0:         const SkPaint& paint);
michael@0: 
michael@0:     HRESULT createXpsBrush(
michael@0:         const SkPaint& skPaint,
michael@0:         IXpsOMBrush** xpsBrush,
michael@0:         const SkMatrix* parentTransform = NULL);
michael@0: 
michael@0:     HRESULT createXpsSolidColorBrush(
michael@0:         const SkColor skColor, const SkAlpha alpha,
michael@0:         IXpsOMBrush** xpsBrush);
michael@0: 
michael@0:     HRESULT createXpsImageBrush(
michael@0:         const SkBitmap& bitmap,
michael@0:         const SkMatrix& localMatrix,
michael@0:         const SkShader::TileMode (&xy)[2],
michael@0:         const SkAlpha alpha,
michael@0:         IXpsOMTileBrush** xpsBrush);
michael@0: 
michael@0:     HRESULT createXpsLinearGradient(
michael@0:         SkShader::GradientInfo info,
michael@0:         const SkAlpha alpha,
michael@0:         const SkMatrix& localMatrix,
michael@0:         IXpsOMMatrixTransform* xpsMatrixToUse,
michael@0:         IXpsOMBrush** xpsBrush);
michael@0: 
michael@0:     HRESULT createXpsRadialGradient(
michael@0:         SkShader::GradientInfo info,
michael@0:         const SkAlpha alpha,
michael@0:         const SkMatrix& localMatrix,
michael@0:         IXpsOMMatrixTransform* xpsMatrixToUse,
michael@0:         IXpsOMBrush** xpsBrush);
michael@0: 
michael@0:     HRESULT createXpsGradientStop(
michael@0:         const SkColor skColor,
michael@0:         const SkScalar offset,
michael@0:         IXpsOMGradientStop** xpsGradStop);
michael@0: 
michael@0:     HRESULT createXpsTransform(
michael@0:         const SkMatrix& matrix,
michael@0:         IXpsOMMatrixTransform ** xpsTransform);
michael@0: 
michael@0:     HRESULT createXpsRect(
michael@0:         const SkRect& rect,
michael@0:         BOOL stroke, BOOL fill,
michael@0:         IXpsOMGeometryFigure** xpsRect);
michael@0: 
michael@0:     HRESULT createXpsQuad(
michael@0:         const SkPoint (&points)[4],
michael@0:         BOOL stroke, BOOL fill,
michael@0:         IXpsOMGeometryFigure** xpsQuad);
michael@0: 
michael@0:     HRESULT CreateTypefaceUse(
michael@0:         const SkPaint& paint,
michael@0:         TypefaceUse** fontResource);
michael@0: 
michael@0:     HRESULT AddGlyphs(
michael@0:         const SkDraw& d,
michael@0:         IXpsOMObjectFactory* xpsFactory,
michael@0:         IXpsOMCanvas* canvas,
michael@0:         TypefaceUse* font,
michael@0:         LPCWSTR text,
michael@0:         XPS_GLYPH_INDEX* xpsGlyphs,
michael@0:         UINT32 xpsGlyphsLen,
michael@0:         XPS_POINT *origin,
michael@0:         FLOAT fontSize,
michael@0:         XPS_STYLE_SIMULATION sims,
michael@0:         const SkMatrix& transform,
michael@0:         const SkPaint& paint);
michael@0: 
michael@0:     HRESULT addXpsPathGeometry(
michael@0:         IXpsOMGeometryFigureCollection* figures,
michael@0:         BOOL stroke, BOOL fill, const SkPath& path);
michael@0: 
michael@0:     HRESULT createPath(
michael@0:         IXpsOMGeometryFigure* figure,
michael@0:         IXpsOMVisualCollection* visuals,
michael@0:         IXpsOMPath** path);
michael@0: 
michael@0:     HRESULT sideOfClamp(
michael@0:         const SkRect& leftPoints, const XPS_RECT& left,
michael@0:         IXpsOMImageResource* imageResource,
michael@0:         IXpsOMVisualCollection* visuals);
michael@0: 
michael@0:     HRESULT cornerOfClamp(
michael@0:         const SkRect& tlPoints,
michael@0:         const SkColor color,
michael@0:         IXpsOMVisualCollection* visuals);
michael@0: 
michael@0:     HRESULT clip(
michael@0:         IXpsOMVisual* xpsVisual,
michael@0:         const SkDraw& d);
michael@0:     HRESULT clipToPath(
michael@0:         IXpsOMVisual* xpsVisual,
michael@0:         const SkPath& clipPath,
michael@0:         XPS_FILL_RULE fillRule);
michael@0: 
michael@0:     HRESULT drawInverseWindingPath(
michael@0:         const SkDraw& d,
michael@0:         const SkPath& devicePath,
michael@0:         IXpsOMPath* xpsPath);
michael@0: 
michael@0:     HRESULT shadePath(
michael@0:         IXpsOMPath* shadedPath,
michael@0:         const SkPaint& shaderPaint,
michael@0:         const SkMatrix& matrix,
michael@0:         BOOL* fill, BOOL* stroke);
michael@0: 
michael@0:     void convertToPpm(
michael@0:         const SkMaskFilter* filter,
michael@0:         SkMatrix* matrix,
michael@0:         SkVector* ppuScale,
michael@0:         const SkIRect& clip, SkIRect* clipIRect);
michael@0: 
michael@0:     HRESULT applyMask(
michael@0:         const SkDraw& d,
michael@0:         const SkMask& mask,
michael@0:         const SkVector& ppuScale,
michael@0:         IXpsOMPath* shadedPath);
michael@0: 
michael@0:     virtual SkBaseDevice* onCreateDevice(const SkImageInfo&, Usage) SK_OVERRIDE;
michael@0: 
michael@0:     // Disable the default copy and assign implementation.
michael@0:     SkXPSDevice(const SkXPSDevice&);
michael@0:     void operator=(const SkXPSDevice&);
michael@0: 
michael@0:     typedef SkBitmapDevice INHERITED;
michael@0: };
michael@0: 
michael@0: #endif