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