diff options
Diffstat (limited to 'core/SkShader.h')
| -rw-r--r-- | core/SkShader.h | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/core/SkShader.h b/core/SkShader.h index b0a7fd9..32707d7 100644 --- a/core/SkShader.h +++ b/core/SkShader.h @@ -119,10 +119,26 @@ public: */ virtual bool isOpaque() const { return false; } + /** + * ContextRec acts as a parameter bundle for creating Contexts. + */ + struct ContextRec { + ContextRec() : fDevice(NULL), fPaint(NULL), fMatrix(NULL) {} + ContextRec(const ContextRec& other) + : fDevice(other.fDevice), fPaint(other.fPaint), fMatrix(other.fMatrix) {} + ContextRec(const SkBitmap& device, const SkPaint& paint, const SkMatrix& matrix) + : fDevice(&device) + , fPaint(&paint) + , fMatrix(&matrix) {} + + const SkBitmap* fDevice; // the bitmap we are drawing into + const SkPaint* fPaint; // the current paint associated with the draw + const SkMatrix* fMatrix; // the current matrix in the canvas + }; + class Context : public ::SkNoncopyable { public: - Context(const SkShader& shader, const SkBitmap& device, - const SkPaint& paint, const SkMatrix& matrix); + Context(const SkShader& shader, const ContextRec&); virtual ~Context(); @@ -200,8 +216,7 @@ public: * Subclasses should be sure to call their INHERITED::validContext() if * they override this method. */ - virtual bool validContext(const SkBitmap& device, const SkPaint& paint, - const SkMatrix& matrix, SkMatrix* totalInverse = NULL) const; + virtual bool validContext(const ContextRec&, SkMatrix* totalInverse = NULL) const; /** * Create the actual object that does the shading. @@ -211,10 +226,7 @@ public: * * Base class implementation returns NULL. */ - virtual Context* createContext(const SkBitmap& device, - const SkPaint& paint, - const SkMatrix& matrix, - void* storage) const; + virtual Context* createContext(const ContextRec&, void* storage) const; /** * Return the size of a Context returned by createContext. |