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 //#define SK_XPS_USE_DETERMINISTIC_IDS 30 31 /** \class SkXPSDevice 32 33 The drawing context for the XPS backend. 34 */ 35 class SkXPSDevice : public SkBitmapDevice { 36 public: 37 SK_API SkXPSDevice(); 38 SK_API virtual ~SkXPSDevice(); 39 40 virtual bool beginPortfolio(SkWStream* outputStream); 41 /** 42 @param unitsPerMeter converts geometry units into physical units. 43 @param pixelsPerMeter resolution to use when geometry must be rasterized. 44 @param trimSize final page size in physical units. 45 The top left of the trim is the origin of physical space. 46 @param mediaBox The size of the physical media in physical units. 47 The top and left must be less than zero. 48 The bottom and right must be greater than the trimSize. 49 The default is to coincide with the trimSize. 50 @param bleedBox The size of the bleed box in physical units. 51 Must be contained within the mediaBox. 52 The default is to coincide with the mediaBox. 53 @param artBox The size of the content box in physical units. 54 Must be contained within the trimSize. 55 The default is to coincide with the trimSize. 56 @param cropBox The size of the recommended view port in physical units. 57 Must be contained within the mediaBox. 58 The default is to coincide with the mediaBox. 59 */ 60 virtual bool beginSheet( 61 const SkVector& unitsPerMeter, 62 const SkVector& pixelsPerMeter, 63 const SkSize& trimSize, 64 const SkRect* mediaBox = NULL, 65 const SkRect* bleedBox = NULL, 66 const SkRect* artBox = NULL, 67 const SkRect* cropBox = NULL); 68 69 virtual bool endSheet(); 70 virtual bool endPortfolio(); 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 allowImageFilter(const SkImageFilter*) SK_OVERRIDE; 147 148 private: 149 class TypefaceUse : ::SkNoncopyable { 150 public: 151 SkFontID typefaceId; 152 int ttcIndex; 153 SkStream* fontData; 154 IXpsOMFontResource* xpsFont; 155 SkBitSet* glyphsUsed; 156 157 explicit TypefaceUse(); 158 ~TypefaceUse(); 159 }; 160 friend static HRESULT subset_typeface(TypefaceUse* current); 161 162 SkXPSDevice(IXpsOMObjectFactory* xpsFactory); 163 164 SkAutoCoInitialize fAutoCo; 165 SkTScopedComPtr<IXpsOMObjectFactory> fXpsFactory; 166 SkTScopedComPtr<IStream> fOutputStream; 167 SkTScopedComPtr<IXpsOMPackageWriter> fPackageWriter; 168 169 unsigned int fCurrentPage; 170 SkTScopedComPtr<IXpsOMCanvas> fCurrentXpsCanvas; 171 SkSize fCurrentCanvasSize; 172 SkVector fCurrentUnitsPerMeter; 173 SkVector fCurrentPixelsPerMeter; 174 175 SkTArray<TypefaceUse, true> fTypefaces; 176 177 /** Creates a GUID based id and places it into buffer. 178 buffer should have space for at least GUID_ID_LEN wide characters. 179 The string will always be wchar null terminated. 180 XXXXXXXXsXXXXsXXXXsXXXXsXXXXXXXXXXXX0 181 The string may begin with a digit, 182 and so may not be suitable as a bare resource key. 183 */ 184 HRESULT createId(wchar_t* buffer, size_t bufferSize, wchar_t sep = '-'); 185 #ifdef SK_XPS_USE_DETERMINISTIC_IDS 186 decltype(GUID::Data1) fNextId = 0; 187 #endif 188 189 HRESULT initXpsDocumentWriter(IXpsOMImageResource* image); 190 191 HRESULT createXpsPage( 192 const XPS_SIZE& pageSize, 193 IXpsOMPage** page); 194 195 HRESULT createXpsThumbnail( 196 IXpsOMPage* page, const unsigned int pageNumber, 197 IXpsOMImageResource** image); 198 199 void internalDrawRect( 200 const SkDraw&, 201 const SkRect& r, 202 bool transformRect, 203 const SkPaint& paint); 204 205 HRESULT createXpsBrush( 206 const SkPaint& skPaint, 207 IXpsOMBrush** xpsBrush, 208 const SkMatrix* parentTransform = NULL); 209 210 HRESULT createXpsSolidColorBrush( 211 const SkColor skColor, const SkAlpha alpha, 212 IXpsOMBrush** xpsBrush); 213 214 HRESULT createXpsImageBrush( 215 const SkBitmap& bitmap, 216 const SkMatrix& localMatrix, 217 const SkShader::TileMode (&xy)[2], 218 const SkAlpha alpha, 219 IXpsOMTileBrush** xpsBrush); 220 221 HRESULT createXpsLinearGradient( 222 SkShader::GradientInfo info, 223 const SkAlpha alpha, 224 const SkMatrix& localMatrix, 225 IXpsOMMatrixTransform* xpsMatrixToUse, 226 IXpsOMBrush** xpsBrush); 227 228 HRESULT createXpsRadialGradient( 229 SkShader::GradientInfo info, 230 const SkAlpha alpha, 231 const SkMatrix& localMatrix, 232 IXpsOMMatrixTransform* xpsMatrixToUse, 233 IXpsOMBrush** xpsBrush); 234 235 HRESULT createXpsGradientStop( 236 const SkColor skColor, 237 const SkScalar offset, 238 IXpsOMGradientStop** xpsGradStop); 239 240 HRESULT createXpsTransform( 241 const SkMatrix& matrix, 242 IXpsOMMatrixTransform ** xpsTransform); 243 244 HRESULT createXpsRect( 245 const SkRect& rect, 246 BOOL stroke, BOOL fill, 247 IXpsOMGeometryFigure** xpsRect); 248 249 HRESULT createXpsQuad( 250 const SkPoint (&points)[4], 251 BOOL stroke, BOOL fill, 252 IXpsOMGeometryFigure** xpsQuad); 253 254 HRESULT CreateTypefaceUse( 255 const SkPaint& paint, 256 TypefaceUse** fontResource); 257 258 HRESULT AddGlyphs( 259 const SkDraw& d, 260 IXpsOMObjectFactory* xpsFactory, 261 IXpsOMCanvas* canvas, 262 TypefaceUse* font, 263 LPCWSTR text, 264 XPS_GLYPH_INDEX* xpsGlyphs, 265 UINT32 xpsGlyphsLen, 266 XPS_POINT *origin, 267 FLOAT fontSize, 268 XPS_STYLE_SIMULATION sims, 269 const SkMatrix& transform, 270 const SkPaint& paint); 271 272 HRESULT addXpsPathGeometry( 273 IXpsOMGeometryFigureCollection* figures, 274 BOOL stroke, BOOL fill, const SkPath& path); 275 276 HRESULT createPath( 277 IXpsOMGeometryFigure* figure, 278 IXpsOMVisualCollection* visuals, 279 IXpsOMPath** path); 280 281 HRESULT sideOfClamp( 282 const SkRect& leftPoints, const XPS_RECT& left, 283 IXpsOMImageResource* imageResource, 284 IXpsOMVisualCollection* visuals); 285 286 HRESULT cornerOfClamp( 287 const SkRect& tlPoints, 288 const SkColor color, 289 IXpsOMVisualCollection* visuals); 290 291 HRESULT clip( 292 IXpsOMVisual* xpsVisual, 293 const SkDraw& d); 294 HRESULT clipToPath( 295 IXpsOMVisual* xpsVisual, 296 const SkPath& clipPath, 297 XPS_FILL_RULE fillRule); 298 299 HRESULT drawInverseWindingPath( 300 const SkDraw& d, 301 const SkPath& devicePath, 302 IXpsOMPath* xpsPath); 303 304 HRESULT shadePath( 305 IXpsOMPath* shadedPath, 306 const SkPaint& shaderPaint, 307 const SkMatrix& matrix, 308 BOOL* fill, BOOL* stroke); 309 310 void convertToPpm( 311 const SkMaskFilter* filter, 312 SkMatrix* matrix, 313 SkVector* ppuScale, 314 const SkIRect& clip, SkIRect* clipIRect); 315 316 HRESULT applyMask( 317 const SkDraw& d, 318 const SkMask& mask, 319 const SkVector& ppuScale, 320 IXpsOMPath* shadedPath); 321 322 virtual SkBaseDevice* onCreateDevice(const SkImageInfo&, Usage) SK_OVERRIDE; 323 324 // Disable the default copy and assign implementation. 325 SkXPSDevice(const SkXPSDevice&); 326 void operator=(const SkXPSDevice&); 327 328 typedef SkBitmapDevice INHERITED; 329 }; 330 331 #endif 332
