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 13 #ifdef SK_BUILD_FOR_WIN 14 15 #include <ObjBase.h> 16 #include <XpsObjectModel.h> 17 18 #include "SkAutoCoInitialize.h" 19 #include "SkBitmapDevice.h" 20 #include "SkBitSet.h" 21 #include "SkCanvas.h" 22 #include "SkColor.h" 23 #include "SkPaint.h" 24 #include "SkPath.h" 25 #include "SkPoint.h" 26 #include "SkShader.h" 27 #include "SkSize.h" 28 #include "SkTArray.h" 29 #include "SkTScopedComPtr.h" 30 #include "SkTypeface.h" 31 32 //#define SK_XPS_USE_DETERMINISTIC_IDS 33 34 /** \class SkXPSDevice 35 36 The drawing context for the XPS backend. 37 */ 38 class SkXPSDevice : public SkBitmapDevice { 39 public: 40 SK_API SkXPSDevice(); 41 SK_API virtual ~SkXPSDevice(); 42 43 virtual bool beginPortfolio(SkWStream* outputStream); 44 /** 45 @param unitsPerMeter converts geometry units into physical units. 46 @param pixelsPerMeter resolution to use when geometry must be rasterized. 47 @param trimSize final page size in physical units. 48 The top left of the trim is the origin of physical space. 49 @param mediaBox The size of the physical media in physical units. 50 The top and left must be less than zero. 51 The bottom and right must be greater than the trimSize. 52 The default is to coincide with the trimSize. 53 @param bleedBox The size of the bleed box in physical units. 54 Must be contained within the mediaBox. 55 The default is to coincide with the mediaBox. 56 @param artBox The size of the content box in physical units. 57 Must be contained within the trimSize. 58 The default is to coincide with the trimSize. 59 @param cropBox The size of the recommended view port in physical units. 60 Must be contained within the mediaBox. 61 The default is to coincide with the mediaBox. 62 */ 63 virtual bool beginSheet( 64 const SkVector& unitsPerMeter, 65 const SkVector& pixelsPerMeter, 66 const SkSize& trimSize, 67 const SkRect* mediaBox = NULL, 68 const SkRect* bleedBox = NULL, 69 const SkRect* artBox = NULL, 70 const SkRect* cropBox = NULL); 71 72 virtual bool endSheet(); 73 virtual bool endPortfolio(); 74 75 protected: 76 void drawPaint(const SkDraw&, const SkPaint& paint) override; 77 78 virtual void drawPoints( 79 const SkDraw&, 80 SkCanvas::PointMode mode, 81 size_t count, const SkPoint[], 82 const SkPaint& paint) override; 83 84 virtual void drawRect( 85 const SkDraw&, 86 const SkRect& r, 87 const SkPaint& paint) override; 88 89 virtual void drawRRect( 90 const SkDraw&, 91 const SkRRect&, 92 const SkPaint& paint) override; 93 94 virtual void drawPath( 95 const SkDraw&, 96 const SkPath& platonicPath, 97 const SkPaint& paint, 98 const SkMatrix* prePathMatrix, 99 bool pathIsMutable) override; 100 101 virtual void drawBitmap( 102 const SkDraw&, 103 const SkBitmap& bitmap, 104 const SkMatrix& matrix, 105 const SkPaint& paint) override; 106 107 virtual void drawSprite( 108 const SkDraw&, 109 const SkBitmap& bitmap, 110 int x, int y, 111 const SkPaint& paint) override; 112 113 virtual void drawText( 114 const SkDraw&, 115 const void* text, size_t len, 116 SkScalar x, SkScalar y, 117 const SkPaint& paint) override; 118 119 virtual void drawPosText( 120 const SkDraw&, 121 const void* text, size_t len, 122 const SkScalar pos[], int scalarsPerPos, 123 const SkPoint& offset, const SkPaint& paint) override; 124 125 virtual void drawVertices( 126 const SkDraw&, 127 SkCanvas::VertexMode, 128 int vertexCount, const SkPoint verts[], 129 const SkPoint texs[], const SkColor colors[], 130 SkXfermode* xmode, 131 const uint16_t indices[], int indexCount, 132 const SkPaint& paint) override; 133 134 virtual void drawDevice( 135 const SkDraw&, 136 SkBaseDevice* device, 137 int x, int y, 138 const SkPaint& paint) override; 139 140 private: 141 class TypefaceUse : ::SkNoncopyable { 142 public: 143 SkFontID typefaceId; 144 int ttcIndex; 145 SkStream* fontData; 146 IXpsOMFontResource* xpsFont; 147 SkBitSet* glyphsUsed; 148 149 explicit TypefaceUse(); 150 ~TypefaceUse(); 151 }; 152 friend static HRESULT subset_typeface(TypefaceUse* current); 153 154 SkXPSDevice(IXpsOMObjectFactory* xpsFactory); 155 156 SkAutoCoInitialize fAutoCo; 157 SkTScopedComPtr<IXpsOMObjectFactory> fXpsFactory; 158 SkTScopedComPtr<IStream> fOutputStream; 159 SkTScopedComPtr<IXpsOMPackageWriter> fPackageWriter; 160 161 unsigned int fCurrentPage; 162 SkTScopedComPtr<IXpsOMCanvas> fCurrentXpsCanvas; 163 SkSize fCurrentCanvasSize; 164 SkVector fCurrentUnitsPerMeter; 165 SkVector fCurrentPixelsPerMeter; 166 167 SkTArray<TypefaceUse, true> fTypefaces; 168 169 /** Creates a GUID based id and places it into buffer. 170 buffer should have space for at least GUID_ID_LEN wide characters. 171 The string will always be wchar null terminated. 172 XXXXXXXXsXXXXsXXXXsXXXXsXXXXXXXXXXXX0 173 The string may begin with a digit, 174 and so may not be suitable as a bare resource key. 175 */ 176 HRESULT createId(wchar_t* buffer, size_t bufferSize, wchar_t sep = '-'); 177 #ifdef SK_XPS_USE_DETERMINISTIC_IDS 178 decltype(GUID::Data1) fNextId = 0; 179 #endif 180 181 HRESULT initXpsDocumentWriter(IXpsOMImageResource* image); 182 183 HRESULT createXpsPage( 184 const XPS_SIZE& pageSize, 185 IXpsOMPage** page); 186 187 HRESULT createXpsThumbnail( 188 IXpsOMPage* page, const unsigned int pageNumber, 189 IXpsOMImageResource** image); 190 191 void internalDrawRect( 192 const SkDraw&, 193 const SkRect& r, 194 bool transformRect, 195 const SkPaint& paint); 196 197 HRESULT createXpsBrush( 198 const SkPaint& skPaint, 199 IXpsOMBrush** xpsBrush, 200 const SkMatrix* parentTransform = NULL); 201 202 HRESULT createXpsSolidColorBrush( 203 const SkColor skColor, const SkAlpha alpha, 204 IXpsOMBrush** xpsBrush); 205 206 HRESULT createXpsImageBrush( 207 const SkBitmap& bitmap, 208 const SkMatrix& localMatrix, 209 const SkShader::TileMode (&xy)[2], 210 const SkAlpha alpha, 211 IXpsOMTileBrush** xpsBrush); 212 213 HRESULT createXpsLinearGradient( 214 SkShader::GradientInfo info, 215 const SkAlpha alpha, 216 const SkMatrix& localMatrix, 217 IXpsOMMatrixTransform* xpsMatrixToUse, 218 IXpsOMBrush** xpsBrush); 219 220 HRESULT createXpsRadialGradient( 221 SkShader::GradientInfo info, 222 const SkAlpha alpha, 223 const SkMatrix& localMatrix, 224 IXpsOMMatrixTransform* xpsMatrixToUse, 225 IXpsOMBrush** xpsBrush); 226 227 HRESULT createXpsGradientStop( 228 const SkColor skColor, 229 const SkScalar offset, 230 IXpsOMGradientStop** xpsGradStop); 231 232 HRESULT createXpsTransform( 233 const SkMatrix& matrix, 234 IXpsOMMatrixTransform ** xpsTransform); 235 236 HRESULT createXpsRect( 237 const SkRect& rect, 238 BOOL stroke, BOOL fill, 239 IXpsOMGeometryFigure** xpsRect); 240 241 HRESULT createXpsQuad( 242 const SkPoint (&points)[4], 243 BOOL stroke, BOOL fill, 244 IXpsOMGeometryFigure** xpsQuad); 245 246 HRESULT CreateTypefaceUse( 247 const SkPaint& paint, 248 TypefaceUse** fontResource); 249 250 HRESULT AddGlyphs( 251 const SkDraw& d, 252 IXpsOMObjectFactory* xpsFactory, 253 IXpsOMCanvas* canvas, 254 TypefaceUse* font, 255 LPCWSTR text, 256 XPS_GLYPH_INDEX* xpsGlyphs, 257 UINT32 xpsGlyphsLen, 258 XPS_POINT *origin, 259 FLOAT fontSize, 260 XPS_STYLE_SIMULATION sims, 261 const SkMatrix& transform, 262 const SkPaint& paint); 263 264 HRESULT addXpsPathGeometry( 265 IXpsOMGeometryFigureCollection* figures, 266 BOOL stroke, BOOL fill, const SkPath& path); 267 268 HRESULT createPath( 269 IXpsOMGeometryFigure* figure, 270 IXpsOMVisualCollection* visuals, 271 IXpsOMPath** path); 272 273 HRESULT sideOfClamp( 274 const SkRect& leftPoints, const XPS_RECT& left, 275 IXpsOMImageResource* imageResource, 276 IXpsOMVisualCollection* visuals); 277 278 HRESULT cornerOfClamp( 279 const SkRect& tlPoints, 280 const SkColor color, 281 IXpsOMVisualCollection* visuals); 282 283 HRESULT clip( 284 IXpsOMVisual* xpsVisual, 285 const SkDraw& d); 286 HRESULT clipToPath( 287 IXpsOMVisual* xpsVisual, 288 const SkPath& clipPath, 289 XPS_FILL_RULE fillRule); 290 291 HRESULT drawInverseWindingPath( 292 const SkDraw& d, 293 const SkPath& devicePath, 294 IXpsOMPath* xpsPath); 295 296 HRESULT shadePath( 297 IXpsOMPath* shadedPath, 298 const SkPaint& shaderPaint, 299 const SkMatrix& matrix, 300 BOOL* fill, BOOL* stroke); 301 302 void convertToPpm( 303 const SkMaskFilter* filter, 304 SkMatrix* matrix, 305 SkVector* ppuScale, 306 const SkIRect& clip, SkIRect* clipIRect); 307 308 HRESULT applyMask( 309 const SkDraw& d, 310 const SkMask& mask, 311 const SkVector& ppuScale, 312 IXpsOMPath* shadedPath); 313 314 SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*) override; 315 316 // Disable the default copy and assign implementation. 317 SkXPSDevice(const SkXPSDevice&); 318 void operator=(const SkXPSDevice&); 319 320 typedef SkBitmapDevice INHERITED; 321 }; 322 323 #endif // SK_BUILD_FOR_WIN 324 #endif // SkXPSDevice_DEFINED 325
