diff options
Diffstat (limited to 'chromium/skia/ext/analysis_canvas.h')
| -rw-r--r-- | chromium/skia/ext/analysis_canvas.h | 209 |
1 files changed, 84 insertions, 125 deletions
diff --git a/chromium/skia/ext/analysis_canvas.h b/chromium/skia/ext/analysis_canvas.h index 909a19826d8..b3e5275c043 100644 --- a/chromium/skia/ext/analysis_canvas.h +++ b/chromium/skia/ext/analysis_canvas.h @@ -6,156 +6,115 @@ #define SKIA_EXT_ANALYSIS_CANVAS_H_ #include "base/compiler_specific.h" -#include "third_party/skia/include/core/SkBitmapDevice.h" #include "third_party/skia/include/core/SkCanvas.h" #include "third_party/skia/include/core/SkPicture.h" namespace skia { -class AnalysisDevice; - // Does not render anything, but gathers statistics about a region // (specified as a clip rectangle) of an SkPicture as the picture is // played back through it. -// To use: create a SkBitmap with kNo_Config, create an AnalysisDevice -// using that bitmap, and create an AnalysisCanvas using the device. -// Play a picture into the canvas, and then check result. +// To use: play a picture into the canvas, and then check result. class SK_API AnalysisCanvas : public SkCanvas, public SkDrawPictureCallback { public: - AnalysisCanvas(AnalysisDevice*); + AnalysisCanvas(int width, int height); virtual ~AnalysisCanvas(); // Returns true when a SkColor can be used to represent result. bool GetColorIfSolid(SkColor* color) const; bool HasText() const; + void SetForceNotSolid(bool flag); + void SetForceNotTransparent(bool flag); + // SkDrawPictureCallback override. virtual bool abortDrawing() OVERRIDE; // SkCanvas overrides. - virtual bool clipRect(const SkRect& rect, - SkRegion::Op op = SkRegion::kIntersect_Op, - bool do_anti_alias = false) OVERRIDE; - virtual bool clipPath(const SkPath& path, - SkRegion::Op op = SkRegion::kIntersect_Op, - bool do_anti_alias = false) OVERRIDE; - virtual bool clipRRect(const SkRRect& rrect, - SkRegion::Op op = SkRegion::kIntersect_Op, - bool do_anti_alias = false) OVERRIDE; - - virtual int saveLayer(const SkRect* bounds, - const SkPaint* paint, - SkCanvas::SaveFlags flags) OVERRIDE; - virtual int save(SaveFlags flags = kMatrixClip_SaveFlag) OVERRIDE; - - virtual void restore() OVERRIDE; - - private: - typedef SkCanvas INHERITED; - - int saved_stack_size_; - int force_not_solid_stack_level_; - int force_not_transparent_stack_level_; -}; - -// TODO(robertphillips): Once Skia's SkBaseDevice API is refactored to -// remove the bitmap-specific entry points, it might make sense for this -// to be derived from SkBaseDevice (rather than SkBitmapDevice) -class SK_API AnalysisDevice : public SkBitmapDevice { - public: - AnalysisDevice(const SkBitmap& bitmap); - virtual ~AnalysisDevice(); - - bool GetColorIfSolid(SkColor* color) const; - bool HasText() const; - - void SetForceNotSolid(bool flag); - void SetForceNotTransparent(bool flag); - - protected: - // SkBaseDevice overrides. - virtual void clear(SkColor color) OVERRIDE; - virtual void drawPaint(const SkDraw& draw, const SkPaint& paint) OVERRIDE; - virtual void drawPoints(const SkDraw& draw, - SkCanvas::PointMode mode, + virtual void clear(SkColor) OVERRIDE; + virtual void drawPaint(const SkPaint& paint) OVERRIDE; + virtual void drawPoints(PointMode, size_t count, - const SkPoint points[], - const SkPaint& paint) OVERRIDE; - virtual void drawRect(const SkDraw& draw, - const SkRect& rect, - const SkPaint& paint) OVERRIDE; - virtual void drawRRect(const SkDraw& draw, - const SkRRect& rr, - const SkPaint& paint) OVERRIDE; - virtual void drawOval(const SkDraw& draw, - const SkRect& oval, - const SkPaint& paint) OVERRIDE; - virtual void drawPath(const SkDraw& draw, - const SkPath& path, - const SkPaint& paint, - const SkMatrix* pre_path_matrix = NULL, - bool path_is_mutable = false) OVERRIDE; - virtual void drawBitmap(const SkDraw& draw, - const SkBitmap& bitmap, - const SkMatrix& matrix, - const SkPaint& paint) OVERRIDE; - virtual void drawSprite(const SkDraw& draw, - const SkBitmap& bitmap, - int x, - int y, - const SkPaint& paint) OVERRIDE; - virtual void drawBitmapRect(const SkDraw& draw, - const SkBitmap& bitmap, - const SkRect* src_or_null, + const SkPoint pts[], + const SkPaint&) OVERRIDE; + virtual void drawOval(const SkRect&, const SkPaint&) OVERRIDE; + virtual void drawRect(const SkRect&, const SkPaint&) OVERRIDE; + virtual void drawRRect(const SkRRect&, const SkPaint&) OVERRIDE; + virtual void drawPath(const SkPath& path, const SkPaint&) OVERRIDE; + virtual void drawBitmap(const SkBitmap&, + SkScalar left, + SkScalar top, + const SkPaint* paint = NULL) OVERRIDE; + virtual void drawBitmapRectToRect(const SkBitmap&, + const SkRect* src, + const SkRect& dst, + const SkPaint* paint, + DrawBitmapRectFlags flags) OVERRIDE; + virtual void drawBitmapMatrix(const SkBitmap&, + const SkMatrix&, + const SkPaint* paint = NULL) OVERRIDE; + virtual void drawBitmapNine(const SkBitmap& bitmap, + const SkIRect& center, const SkRect& dst, - const SkPaint& paint, - SkCanvas::DrawBitmapRectFlags flags) OVERRIDE; - virtual void drawText(const SkDraw& draw, - const void* text, - size_t len, - SkScalar x, - SkScalar y, - const SkPaint& paint) OVERRIDE; - virtual void drawPosText(const SkDraw& draw, - const void* text, - size_t len, - const SkScalar pos[], - SkScalar const_y, - int scalars_per_pos, - const SkPaint& paint) OVERRIDE; - virtual void drawTextOnPath(const SkDraw& draw, - const void* text, - size_t len, - const SkPath& path, - const SkMatrix* matrix, - const SkPaint& paint) OVERRIDE; -#ifdef SK_BUILD_FOR_ANDROID - virtual void drawPosTextOnPath(const SkDraw& draw, - const void* text, - size_t len, - const SkPoint pos[], - const SkPaint& paint, - const SkPath& path, - const SkMatrix* matrix) OVERRIDE; -#endif - virtual void drawVertices(const SkDraw& draw, - SkCanvas::VertexMode vertex_mode, - int vertex_count, - const SkPoint verts[], + const SkPaint* paint = NULL) OVERRIDE; + virtual void drawSprite(const SkBitmap&, int left, int top, + const SkPaint* paint = NULL) OVERRIDE; + virtual void drawVertices(VertexMode, + int vertexCount, + const SkPoint vertices[], const SkPoint texs[], const SkColor colors[], - SkXfermode* xmode, + SkXfermode*, const uint16_t indices[], - int index_count, - const SkPaint& paint) OVERRIDE; - virtual void drawDevice(const SkDraw& draw, - SkBaseDevice* device, - int x, - int y, - const SkPaint& paint) OVERRIDE; - - private: - typedef SkBitmapDevice INHERITED; + int indexCount, + const SkPaint&) OVERRIDE; + + protected: + virtual void willSave() OVERRIDE; + virtual SaveLayerStrategy willSaveLayer(const SkRect*, + const SkPaint*, + SaveFlags) OVERRIDE; + virtual void willRestore() OVERRIDE; + + virtual void onClipRect(const SkRect& rect, + SkRegion::Op op, + ClipEdgeStyle edge_style) OVERRIDE; + virtual void onClipRRect(const SkRRect& rrect, + SkRegion::Op op, + ClipEdgeStyle edge_style) OVERRIDE; + virtual void onClipPath(const SkPath& path, + SkRegion::Op op, + ClipEdgeStyle edge_style) OVERRIDE; + + virtual void onDrawText(const void* text, + size_t byteLength, + SkScalar x, + SkScalar y, + const SkPaint&) OVERRIDE; + virtual void onDrawPosText(const void* text, + size_t byteLength, + const SkPoint pos[], + const SkPaint&) OVERRIDE; + virtual void onDrawPosTextH(const void* text, + size_t byteLength, + const SkScalar xpos[], + SkScalar constY, + const SkPaint&) OVERRIDE; + virtual void onDrawTextOnPath(const void* text, + size_t byteLength, + const SkPath& path, + const SkMatrix* matrix, + const SkPaint&) OVERRIDE; + virtual void onDrawDRRect(const SkRRect& outer, + const SkRRect& inner, + const SkPaint&) OVERRIDE; + +private: + typedef SkCanvas INHERITED; + + int saved_stack_size_; + int force_not_solid_stack_level_; + int force_not_transparent_stack_level_; bool is_forced_not_solid_; bool is_forced_not_transparent_; |