Index: src/pdf/SkPDFDevice.h |
diff --git a/src/pdf/SkPDFDevice.h b/src/pdf/SkPDFDevice.h |
deleted file mode 100644 |
index 495354a0beec53500ff2ebfa3acb4faf6b9e81ba..0000000000000000000000000000000000000000 |
--- a/src/pdf/SkPDFDevice.h |
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@@ -1,339 +0,0 @@ |
- |
-/* |
- * Copyright 2011 Google Inc. |
- * |
- * Use of this source code is governed by a BSD-style license that can be |
- * found in the LICENSE file. |
- */ |
- |
- |
-#ifndef SkPDFDevice_DEFINED |
-#define SkPDFDevice_DEFINED |
- |
-#include "SkDevice.h" |
-#include "SkBitmap.h" |
-#include "SkCanvas.h" |
-#include "SkPaint.h" |
-#include "SkPath.h" |
-#include "SkPicture.h" |
-#include "SkRect.h" |
-#include "SkRefCnt.h" |
-#include "SkStream.h" |
-#include "SkTDArray.h" |
-#include "SkTemplates.h" |
- |
-class SkPDFArray; |
-class SkPDFDevice; |
-class SkPDFDict; |
-class SkPDFFont; |
-class SkPDFFormXObject; |
-class SkPDFGlyphSetMap; |
-class SkPDFGraphicState; |
-class SkPDFObject; |
-class SkPDFResourceDict; |
-class SkPDFShader; |
-class SkPDFStream; |
-class SkRRect; |
-template <typename T> class SkTSet; |
- |
-// Private classes. |
-struct ContentEntry; |
-struct GraphicStateEntry; |
-struct NamedDestination; |
- |
-/** \class SkPDFDevice |
- |
- The drawing context for the PDF backend. |
-*/ |
-class SkPDFDevice : public SkBaseDevice { |
-public: |
- /** Create a PDF drawing context with the given width and height. |
- * 72 points/in means letter paper is 612x792. |
- * @param pageSize Page size in points. |
- * @param contentSize The content size of the page in points. This will be |
- * combined with the initial transform to determine the drawing area |
- * (as reported by the width and height methods). Anything outside |
- * of the drawing area will be clipped. |
- * @param initialTransform The initial transform to apply to the page. |
- * This may be useful to, for example, move the origin in and |
- * over a bit to account for a margin, scale the canvas, |
- * or apply a rotation. Note1: the SkPDFDevice also applies |
- * a scale+translate transform to move the origin from the |
- * bottom left (PDF default) to the top left. Note2: drawDevice |
- * (used by layer restore) draws the device after this initial |
- * transform is applied, so the PDF device does an |
- * inverse scale+translate to accommodate the one that SkPDFDevice |
- * always does. |
- */ |
- // Deprecated, please use SkDocument::CreatePdf() instead. |
- SK_API SkPDFDevice(const SkISize& pageSize, const SkISize& contentSize, |
- const SkMatrix& initialTransform); |
- SK_API virtual ~SkPDFDevice(); |
- |
- /** These are called inside the per-device-layer loop for each draw call. |
- When these are called, we have already applied any saveLayer operations, |
- and are handling any looping from the paint, and any effects from the |
- DrawFilter. |
- */ |
- void drawPaint(const SkDraw&, const SkPaint& paint) SK_OVERRIDE; |
- void drawPoints(const SkDraw&, SkCanvas::PointMode mode, |
- size_t count, const SkPoint[], |
- const SkPaint& paint) SK_OVERRIDE; |
- void drawRect(const SkDraw&, const SkRect& r, const SkPaint& paint) SK_OVERRIDE; |
- void drawOval(const SkDraw&, const SkRect& oval, const SkPaint& paint) SK_OVERRIDE; |
- void drawRRect(const SkDraw&, const SkRRect& rr, const SkPaint& paint) SK_OVERRIDE; |
- void drawPath(const SkDraw&, const SkPath& origpath, |
- const SkPaint& paint, const SkMatrix* prePathMatrix, |
- bool pathIsMutable) SK_OVERRIDE; |
- void drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap, |
- const SkRect* src, const SkRect& dst, |
- const SkPaint& paint, |
- SkCanvas::DrawBitmapRectFlags flags) SK_OVERRIDE; |
- void drawBitmap(const SkDraw&, const SkBitmap& bitmap, |
- const SkMatrix& matrix, const SkPaint&) SK_OVERRIDE; |
- void drawSprite(const SkDraw&, const SkBitmap& bitmap, int x, int y, |
- const SkPaint& paint) SK_OVERRIDE; |
- void drawText(const SkDraw&, const void* text, size_t len, |
- SkScalar x, SkScalar y, const SkPaint&) SK_OVERRIDE; |
- void drawPosText(const SkDraw&, const void* text, size_t len, |
- const SkScalar pos[], int scalarsPerPos, |
- const SkPoint& offset, const SkPaint&) SK_OVERRIDE; |
- void drawTextOnPath(const SkDraw&, const void* text, size_t len, |
- const SkPath& path, const SkMatrix* matrix, |
- const SkPaint& paint) SK_OVERRIDE; |
- void drawVertices(const SkDraw&, SkCanvas::VertexMode, |
- int vertexCount, const SkPoint verts[], |
- const SkPoint texs[], const SkColor colors[], |
- SkXfermode* xmode, const uint16_t indices[], |
- int indexCount, const SkPaint& paint) SK_OVERRIDE; |
- void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y, |
- const SkPaint&) SK_OVERRIDE; |
- |
- void onAttachToCanvas(SkCanvas* canvas) SK_OVERRIDE; |
- void onDetachFromCanvas() SK_OVERRIDE; |
- SkImageInfo imageInfo() const SK_OVERRIDE; |
- |
- enum DrawingArea { |
- kContent_DrawingArea, // Drawing area for the page content. |
- kMargin_DrawingArea, // Drawing area for the margin content. |
- }; |
- |
- /** Sets the drawing area for the device. Subsequent draw calls are directed |
- * to the specific drawing area (margin or content). The default drawing |
- * area is the content drawing area. |
- * |
- * Currently if margin content is drawn and then a complex (for PDF) xfer |
- * mode is used, like SrcIn, Clear, etc, the margin content will get |
- * clipped. A simple way to avoid the bug is to always draw the margin |
- * content last. |
- */ |
- SK_API void setDrawingArea(DrawingArea drawingArea); |
- |
- /** Sets the DCTEncoder for images. |
- * @param encoder The encoder to encode a bitmap as JPEG (DCT). |
- * Result of encodings are cached, if the encoder changes the |
- * behaivor dynamically and an image is added to a second catalog, |
- * we will likely use the result of the first encoding call. |
- * By returning false from the encoder function, the encoder result |
- * is not used. |
- * Callers might not want to encode small images, as the time spent |
- * encoding and decoding might not be worth the space savings, |
- * if any at all. |
- */ |
- void setDCTEncoder(SkPicture::EncodeBitmap encoder) { |
- fEncoder = encoder; |
- } |
- |
- // PDF specific methods. |
- |
- /** Returns the resource dictionary for this device. |
- */ |
- SK_API SkPDFResourceDict* getResourceDict(); |
- |
- /** Get the fonts used on this device. |
- */ |
- SK_API const SkTDArray<SkPDFFont*>& getFontResources() const; |
- |
- /** Add our named destinations to the supplied dictionary. |
- * @param dict Dictionary to add destinations to. |
- * @param page The PDF object representing the page for this device. |
- */ |
- void appendDestinations(SkPDFDict* dict, SkPDFObject* page); |
- |
- /** Returns a copy of the media box for this device. The caller is required |
- * to unref() this when it is finished. |
- */ |
- SK_API SkPDFArray* copyMediaBox() const; |
- |
- /** Get the annotations from this page, or NULL if there are none. |
- */ |
- SK_API SkPDFArray* getAnnotations() const { return fAnnotations; } |
- |
- /** Returns a SkStream with the page contents. The caller is responsible |
- for a reference to the returned value. |
- DEPRECATED: use copyContentToData() |
- */ |
- SK_API SkStream* content() const; |
- |
- /** Returns a SkStream with the page contents. The caller is responsible |
- * for calling data->unref() when it is finished. |
- */ |
- SK_API SkData* copyContentToData() const; |
- |
- SK_API const SkMatrix& initialTransform() const { |
- return fInitialTransform; |
- } |
- |
- /** Returns a SkPDFGlyphSetMap which represents glyph usage of every font |
- * that shows on this device. |
- */ |
- const SkPDFGlyphSetMap& getFontGlyphUsage() const { |
- return *(fFontGlyphUsage.get()); |
- } |
- |
- |
- /** |
- * rasterDpi - the DPI at which features without native PDF support |
- * will be rasterized (e.g. draw image with perspective, |
- * draw text with perspective, ...) |
- * A larger DPI would create a PDF that reflects the original |
- * intent with better fidelity, but it can make for larger |
- * PDF files too, which would use more memory while rendering, |
- * and it would be slower to be processed or sent online or |
- * to printer. |
- */ |
- void setRasterDpi(SkScalar rasterDpi) { |
- fRasterDpi = rasterDpi; |
- } |
- |
-protected: |
- virtual const SkBitmap& onAccessBitmap() SK_OVERRIDE { |
- return fLegacyBitmap; |
- } |
- |
- virtual SkSurface* newSurface(const SkImageInfo&, const SkSurfaceProps&) SK_OVERRIDE; |
- |
-private: |
- // TODO(vandebo): push most of SkPDFDevice's state into a core object in |
- // order to get the right access levels without using friend. |
- friend class ScopedContentEntry; |
- |
- SkISize fPageSize; |
- SkISize fContentSize; |
- SkMatrix fInitialTransform; |
- SkClipStack fExistingClipStack; |
- SkRegion fExistingClipRegion; |
- SkPDFArray* fAnnotations; |
- SkPDFResourceDict* fResourceDict; |
- SkTDArray<NamedDestination*> fNamedDestinations; |
- |
- SkTDArray<SkPDFGraphicState*> fGraphicStateResources; |
- SkTDArray<SkPDFObject*> fXObjectResources; |
- SkTDArray<SkPDFFont*> fFontResources; |
- SkTDArray<SkPDFObject*> fShaderResources; |
- |
- SkAutoTDelete<ContentEntry> fContentEntries; |
- ContentEntry* fLastContentEntry; |
- SkAutoTDelete<ContentEntry> fMarginContentEntries; |
- ContentEntry* fLastMarginContentEntry; |
- DrawingArea fDrawingArea; |
- |
- const SkClipStack* fClipStack; |
- |
- // Accessor and setter functions based on the current DrawingArea. |
- SkAutoTDelete<ContentEntry>* getContentEntries(); |
- ContentEntry* getLastContentEntry(); |
- void setLastContentEntry(ContentEntry* contentEntry); |
- |
- // Glyph ids used for each font on this device. |
- SkAutoTDelete<SkPDFGlyphSetMap> fFontGlyphUsage; |
- |
- SkPicture::EncodeBitmap fEncoder; |
- SkScalar fRasterDpi; |
- |
- SkBitmap fLegacyBitmap; |
- |
- SkPDFDevice(const SkISize& layerSize, const SkClipStack& existingClipStack, |
- const SkRegion& existingClipRegion); |
- |
- // override from SkBaseDevice |
- virtual SkBaseDevice* onCreateCompatibleDevice(const CreateInfo&) SK_OVERRIDE; |
- |
- void init(); |
- void cleanUp(bool clearFontUsage); |
- SkPDFFormXObject* createFormXObjectFromDevice(); |
- |
- void drawFormXObjectWithMask(int xObjectIndex, |
- SkPDFFormXObject* mask, |
- const SkClipStack* clipStack, |
- const SkRegion& clipRegion, |
- SkXfermode::Mode mode, |
- bool invertClip); |
- |
- // If the paint or clip is such that we shouldn't draw anything, this |
- // returns NULL and does not create a content entry. |
- // setUpContentEntry and finishContentEntry can be used directly, but |
- // the preferred method is to use the ScopedContentEntry helper class. |
- ContentEntry* setUpContentEntry(const SkClipStack* clipStack, |
- const SkRegion& clipRegion, |
- const SkMatrix& matrix, |
- const SkPaint& paint, |
- bool hasText, |
- SkPDFFormXObject** dst); |
- void finishContentEntry(SkXfermode::Mode xfermode, |
- SkPDFFormXObject* dst, |
- SkPath* shape); |
- bool isContentEmpty(); |
- |
- void populateGraphicStateEntryFromPaint(const SkMatrix& matrix, |
- const SkClipStack& clipStack, |
- const SkRegion& clipRegion, |
- const SkPaint& paint, |
- bool hasText, |
- GraphicStateEntry* entry); |
- int addGraphicStateResource(SkPDFGraphicState* gs); |
- int addXObjectResource(SkPDFObject* xObject); |
- |
- void updateFont(const SkPaint& paint, uint16_t glyphID, |
- ContentEntry* contentEntry); |
- int getFontResourceIndex(SkTypeface* typeface, uint16_t glyphID); |
- |
- void internalDrawPaint(const SkPaint& paint, ContentEntry* contentEntry); |
- void internalDrawBitmap(const SkMatrix& matrix, |
- const SkClipStack* clipStack, |
- const SkRegion& clipRegion, |
- const SkBitmap& bitmap, |
- const SkIRect* srcRect, |
- const SkPaint& paint); |
- |
- /** Helper method for copyContentToData. It is responsible for copying the |
- * list of content entries |entry| to |data|. |
- */ |
- void copyContentEntriesToData(ContentEntry* entry, SkWStream* data) const; |
- |
-#ifdef SK_PDF_USE_PATHOPS |
- bool handleInversePath(const SkDraw& d, const SkPath& origPath, |
- const SkPaint& paint, bool pathIsMutable, |
- const SkMatrix* prePathMatrix = NULL); |
-#endif |
- bool handleRectAnnotation(const SkRect& r, const SkMatrix& matrix, |
- const SkPaint& paint); |
- bool handlePointAnnotation(const SkPoint* points, size_t count, |
- const SkMatrix& matrix, const SkPaint& paint); |
- SkPDFDict* createLinkAnnotation(const SkRect& r, const SkMatrix& matrix); |
- void handleLinkToURL(SkData* urlData, const SkRect& r, |
- const SkMatrix& matrix); |
- void handleLinkToNamedDest(SkData* nameData, const SkRect& r, |
- const SkMatrix& matrix); |
- void defineNamedDestination(SkData* nameData, const SkPoint& point, |
- const SkMatrix& matrix); |
- |
- typedef SkBaseDevice INHERITED; |
- |
- // TODO(edisonn): Only SkDocument_PDF and SkPDFImageShader should be able to create |
- // an SkPDFDevice |
- //friend class SkDocument_PDF; |
- //friend class SkPDFImageShader; |
-}; |
- |
-#endif |