gfx/skia/trunk/src/pdf/SkPDFShader.h

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0 1
michael@0 2 /*
michael@0 3 * Copyright 2011 Google Inc.
michael@0 4 *
michael@0 5 * Use of this source code is governed by a BSD-style license that can be
michael@0 6 * found in the LICENSE file.
michael@0 7 */
michael@0 8
michael@0 9
michael@0 10 #ifndef SkPDFShader_DEFINED
michael@0 11 #define SkPDFShader_DEFINED
michael@0 12
michael@0 13 #include "SkPDFStream.h"
michael@0 14 #include "SkPDFTypes.h"
michael@0 15 #include "SkMatrix.h"
michael@0 16 #include "SkRefCnt.h"
michael@0 17 #include "SkShader.h"
michael@0 18
michael@0 19 class SkObjRef;
michael@0 20 class SkPDFCatalog;
michael@0 21
michael@0 22 /** \class SkPDFShader
michael@0 23
michael@0 24 In PDF parlance, this is a pattern, used in place of a color when the
michael@0 25 pattern color space is selected.
michael@0 26 */
michael@0 27
michael@0 28 class SkPDFShader {
michael@0 29 public:
michael@0 30 /** Get the PDF shader for the passed SkShader. If the SkShader is
michael@0 31 * invalid in some way, returns NULL. The reference count of
michael@0 32 * the object is incremented and it is the caller's responsibility to
michael@0 33 * unreference it when done. This is needed to accommodate the weak
michael@0 34 * reference pattern used when the returned object is new and has no
michael@0 35 * other references.
michael@0 36 * @param shader The SkShader to emulate.
michael@0 37 * @param matrix The current transform. (PDF shaders are absolutely
michael@0 38 * positioned, relative to where the page is drawn.)
michael@0 39 * @param surfceBBox The bounding box of the drawing surface (with matrix
michael@0 40 * already applied).
michael@0 41 */
michael@0 42 static SkPDFObject* GetPDFShader(const SkShader& shader,
michael@0 43 const SkMatrix& matrix,
michael@0 44 const SkIRect& surfaceBBox);
michael@0 45
michael@0 46 protected:
michael@0 47 class State;
michael@0 48
michael@0 49 class ShaderCanonicalEntry {
michael@0 50 public:
michael@0 51 ShaderCanonicalEntry(SkPDFObject* pdfShader, const State* state);
michael@0 52 bool operator==(const ShaderCanonicalEntry& b) const;
michael@0 53
michael@0 54 SkPDFObject* fPDFShader;
michael@0 55 const State* fState;
michael@0 56 };
michael@0 57 // This should be made a hash table if performance is a problem.
michael@0 58 static SkTDArray<ShaderCanonicalEntry>& CanonicalShaders();
michael@0 59 static SkBaseMutex& CanonicalShadersMutex();
michael@0 60
michael@0 61 // This is an internal method.
michael@0 62 // CanonicalShadersMutex() should already be acquired.
michael@0 63 // This also takes ownership of shaderState.
michael@0 64 static SkPDFObject* GetPDFShaderByState(State* shaderState);
michael@0 65 static void RemoveShader(SkPDFObject* shader);
michael@0 66
michael@0 67 SkPDFShader();
michael@0 68 virtual ~SkPDFShader() {};
michael@0 69
michael@0 70 virtual bool isValid() = 0;
michael@0 71 };
michael@0 72
michael@0 73 #endif

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