1 /* 2 * Copyright 2011 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkXPSDevice_DEFINED 9 #define SkXPSDevice_DEFINED 10 11 #include "SkTypes.h" 12 #include <ObjBase.h> 13 #include <XpsObjectModel.h> 14 15 #include "SkAutoCoInitialize.h" 16 #include "SkBitmapDevice.h" 17 #include "SkBitSet.h" 18 #include "SkCanvas.h" 19 #include "SkColor.h" 20 #include "SkPaint.h" 21 #include "SkPath.h" 22 #include "SkPoint.h" 23 #include "SkShader.h" 24 #include "SkSize.h" 25 #include "SkTArray.h" 26 #include "SkTScopedComPtr.h" 27 #include "SkTypeface.h" 28 29 /** \class SkXPSDevice 30 31 The drawing context for the XPS backend. 32 */ 33 class SkXPSDevice : public SkBitmapDevice { 34 public: 35 SK_API SkXPSDevice(); 36 SK_API virtual ~SkXPSDevice(); 37 38 virtual bool beginPortfolio(SkWStream* outputStream); 39 /** 40 @param unitsPerMeter converts geometry units into physical units. 41 @param pixelsPerMeter resolution to use when geometry must be rasterized. 42 @param trimSize final page size in physical units. 43 The top left of the trim is the origin of physical space. 44 @param mediaBox The size of the physical media in physical units. 45 The top and left must be less than zero. 46 The bottom and right must be greater than the trimSize. 47 The default is to coincide with the trimSize. 48 @param bleedBox The size of the bleed box in physical units. 49 Must be contained within the mediaBox. 50 The default is to coincide with the mediaBox. 51 @param artBox The size of the content box in physical units. 52 Must be contained within the trimSize. 53 The default is to coincide with the trimSize. 54 @param cropBox The size of the recommended view port in physical units. 55 Must be contained within the mediaBox. 56 The default is to coincide with the mediaBox. 57 */ 58 virtual bool beginSheet( 59 const SkVector& unitsPerMeter, 60 const SkVector& pixelsPerMeter, 61 const SkSize& trimSize, 62 const SkRect* mediaBox = NULL, 63 const SkRect* bleedBox = NULL, 64 const SkRect* artBox = NULL, 65 const SkRect* cropBox = NULL); 66 67 virtual bool endSheet(); 68 virtual bool endPortfolio(); 69 70 virtual uint32_t getDeviceCapabilities() SK_OVERRIDE; 71 72 protected: 73 virtual void clear(SkColor color) SK_OVERRIDE; 74 75 virtual void drawPaint(const SkDraw&, const SkPaint& paint) SK_OVERRIDE; 76 77 virtual void drawPoints( 78 const SkDraw&, 79 SkCanvas::PointMode mode, 80 size_t count, const SkPoint[], 81 const SkPaint& paint) SK_OVERRIDE; 82 83 virtual void drawRect( 84 const SkDraw&, 85 const SkRect& r, 86 const SkPaint& paint) SK_OVERRIDE; 87 88 virtual void drawRRect( 89 const SkDraw&, 90 const SkRRect&, 91 const SkPaint& paint) SK_OVERRIDE; 92 93 virtual void drawPath( 94 const SkDraw&, 95 const SkPath& platonicPath, 96 const SkPaint& paint, 97 const SkMatrix* prePathMatrix, 98 bool pathIsMutable) SK_OVERRIDE; 99 100 virtual void drawBitmap( 101 const SkDraw&, 102 const SkBitmap& bitmap, 103 const SkMatrix& matrix, 104 const SkPaint& paint) SK_OVERRIDE; 105 106 virtual void drawSprite( 107 const SkDraw&, 108 const SkBitmap& bitmap, 109 int x, int y, 110 const SkPaint& paint) SK_OVERRIDE; 111 112 virtual void drawText( 113 const SkDraw&, 114 const void* text, size_t len, 115 SkScalar x, SkScalar y, 116 const SkPaint& paint) SK_OVERRIDE; 117 118 virtual void drawPosText( 119 const SkDraw&, 120 const void* text, size_t len, 121 const SkScalar pos[], SkScalar constY, int scalarsPerPos, 122 const SkPaint& paint) SK_OVERRIDE; 123 124 virtual void drawTextOnPath( 125 const SkDraw&, 126 const void* text, size_t len, 127 const SkPath& path, 128 const SkMatrix* matrix, 129 const SkPaint& paint) SK_OVERRIDE; 130 131 virtual void drawVertices( 132 const SkDraw&, 133 SkCanvas::VertexMode, 134 int vertexCount, const SkPoint verts[], 135 const SkPoint texs[], const SkColor colors[], 136 SkXfermode* xmode, 137 const uint16_t indices[], int indexCount, 138 const SkPaint& paint) SK_OVERRIDE; 139 140 virtual void drawDevice( 141 const SkDraw&, 142 SkBaseDevice* device, 143 int x, int y, 144 const SkPaint& paint) SK_OVERRIDE; 145 146 virtual bool onReadPixels(const SkBitmap& bitmap, 147 int x, 148 int y, 149 SkCanvas::Config8888) SK_OVERRIDE; 150 151 virtual bool allowImageFilter(SkImageFilter*) SK_OVERRIDE; 152 153 private: 154 class TypefaceUse : ::SkNoncopyable { 155 public: 156 SkFontID typefaceId; 157 int ttcIndex; 158 SkStream* fontData; 159 IXpsOMFontResource* xpsFont; 160 SkBitSet* glyphsUsed; 161 162 explicit TypefaceUse(); 163 ~TypefaceUse(); 164 }; 165 friend static HRESULT subset_typeface(TypefaceUse* current); 166 167 SkXPSDevice(IXpsOMObjectFactory* xpsFactory); 168 169 SkAutoCoInitialize fAutoCo; 170 SkTScopedComPtr<IXpsOMObjectFactory> fXpsFactory; 171 SkTScopedComPtr<IStream> fOutputStream; 172 SkTScopedComPtr<IXpsOMPackageWriter> fPackageWriter; 173 174 unsigned int fCurrentPage; 175 SkTScopedComPtr<IXpsOMCanvas> fCurrentXpsCanvas; 176 SkSize fCurrentCanvasSize; 177 SkVector fCurrentUnitsPerMeter; 178 SkVector fCurrentPixelsPerMeter; 179 180 SkTArray<TypefaceUse, true> fTypefaces; 181 182 HRESULT initXpsDocumentWriter(IXpsOMImageResource* image); 183 184 HRESULT createXpsPage( 185 const XPS_SIZE& pageSize, 186 IXpsOMPage** page); 187 188 HRESULT createXpsThumbnail( 189 IXpsOMPage* page, const unsigned int pageNumber, 190 IXpsOMImageResource** image); 191 192 void internalDrawRect( 193 const SkDraw&, 194 const SkRect& r, 195 bool transformRect, 196 const SkPaint& paint); 197 198 HRESULT createXpsBrush( 199 const SkPaint& skPaint, 200 IXpsOMBrush** xpsBrush, 201 const SkMatrix* parentTransform = NULL); 202 203 HRESULT createXpsSolidColorBrush( 204 const SkColor skColor, const SkAlpha alpha, 205 IXpsOMBrush** xpsBrush); 206 207 HRESULT createXpsImageBrush( 208 const SkBitmap& bitmap, 209 const SkMatrix& localMatrix, 210 const SkShader::TileMode (&xy)[2], 211 const SkAlpha alpha, 212 IXpsOMTileBrush** xpsBrush); 213 214 HRESULT createXpsLinearGradient( 215 SkShader::GradientInfo info, 216 const SkAlpha alpha, 217 const SkMatrix& localMatrix, 218 IXpsOMMatrixTransform* xpsMatrixToUse, 219 IXpsOMBrush** xpsBrush); 220 221 HRESULT createXpsRadialGradient( 222 SkShader::GradientInfo info, 223 const SkAlpha alpha, 224 const SkMatrix& localMatrix, 225 IXpsOMMatrixTransform* xpsMatrixToUse, 226 IXpsOMBrush** xpsBrush); 227 228 HRESULT createXpsGradientStop( 229 const SkColor skColor, 230 const SkScalar offset, 231 IXpsOMGradientStop** xpsGradStop); 232 233 HRESULT createXpsTransform( 234 const SkMatrix& matrix, 235 IXpsOMMatrixTransform ** xpsTransform); 236 237 HRESULT createXpsRect( 238 const SkRect& rect, 239 BOOL stroke, BOOL fill, 240 IXpsOMGeometryFigure** xpsRect); 241 242 HRESULT createXpsQuad( 243 const SkPoint (&points)[4], 244 BOOL stroke, BOOL fill, 245 IXpsOMGeometryFigure** xpsQuad); 246 247 HRESULT CreateTypefaceUse( 248 const SkPaint& paint, 249 TypefaceUse** fontResource); 250 251 HRESULT AddGlyphs( 252 const SkDraw& d, 253 IXpsOMObjectFactory* xpsFactory, 254 IXpsOMCanvas* canvas, 255 TypefaceUse* font, 256 LPCWSTR text, 257 XPS_GLYPH_INDEX* xpsGlyphs, 258 UINT32 xpsGlyphsLen, 259 XPS_POINT *origin, 260 FLOAT fontSize, 261 XPS_STYLE_SIMULATION sims, 262 const SkMatrix& transform, 263 const SkPaint& paint); 264 265 HRESULT addXpsPathGeometry( 266 IXpsOMGeometryFigureCollection* figures, 267 BOOL stroke, BOOL fill, const SkPath& path); 268 269 HRESULT createPath( 270 IXpsOMGeometryFigure* figure, 271 IXpsOMVisualCollection* visuals, 272 IXpsOMPath** path); 273 274 HRESULT sideOfClamp( 275 const SkRect& leftPoints, const XPS_RECT& left, 276 IXpsOMImageResource* imageResource, 277 IXpsOMVisualCollection* visuals); 278 279 HRESULT cornerOfClamp( 280 const SkRect& tlPoints, 281 const SkColor color, 282 IXpsOMVisualCollection* visuals); 283 284 HRESULT clip( 285 IXpsOMVisual* xpsVisual, 286 const SkDraw& d); 287 HRESULT clipToPath( 288 IXpsOMVisual* xpsVisual, 289 const SkPath& clipPath, 290 XPS_FILL_RULE fillRule); 291 292 HRESULT drawInverseWindingPath( 293 const SkDraw& d, 294 const SkPath& devicePath, 295 IXpsOMPath* xpsPath); 296 297 HRESULT shadePath( 298 IXpsOMPath* shadedPath, 299 const SkPaint& shaderPaint, 300 const SkMatrix& matrix, 301 BOOL* fill, BOOL* stroke); 302 303 void convertToPpm( 304 const SkMaskFilter* filter, 305 SkMatrix* matrix, 306 SkVector* ppuScale, 307 const SkIRect& clip, SkIRect* clipIRect); 308 309 HRESULT applyMask( 310 const SkDraw& d, 311 const SkMask& mask, 312 const SkVector& ppuScale, 313 IXpsOMPath* shadedPath); 314 315 // override from SkBaseDevice 316 virtual SkBaseDevice* onCreateCompatibleDevice(SkBitmap::Config config, 317 int width, int height, 318 bool isOpaque, 319 Usage usage) SK_OVERRIDE; 320 321 // Disable the default copy and assign implementation. 322 SkXPSDevice(const SkXPSDevice&); 323 void operator=(const SkXPSDevice&); 324 325 typedef SkBitmapDevice INHERITED; 326 }; 327 328 #endif 329
