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Diffstat (limited to 'skia/include/SkPaint.h')
-rw-r--r-- | skia/include/SkPaint.h | 786 |
1 files changed, 786 insertions, 0 deletions
diff --git a/skia/include/SkPaint.h b/skia/include/SkPaint.h new file mode 100644 index 0000000..b556de8 --- /dev/null +++ b/skia/include/SkPaint.h @@ -0,0 +1,786 @@ +/* include/graphics/SkPaint.h +** +** Copyright 2006, Google Inc. +** +** Licensed under the Apache License, Version 2.0 (the "License"); +** you may not use this file except in compliance with the License. +** You may obtain a copy of the License at +** +** http://www.apache.org/licenses/LICENSE-2.0 +** +** Unless required by applicable law or agreed to in writing, software +** distributed under the License is distributed on an "AS IS" BASIS, +** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +** See the License for the specific language governing permissions and +** limitations under the License. +*/ + +#ifndef SkPaint_DEFINED +#define SkPaint_DEFINED + +#include "SkColor.h" +#include "SkMath.h" +#include "SkPorterDuff.h" + +class SkAutoGlyphCache; +class SkColorFilter; +class SkDescriptor; +class SkFlattenableReadBuffer; +class SkFlattenableWriteBuffer; +struct SkGlyph; +struct SkRect; +class SkGlyphCache; +class SkMaskFilter; +class SkMatrix; +class SkPath; +class SkPathEffect; +class SkRasterizer; +class SkShader; +class SkDrawLooper; +class SkTypeface; +class SkXfermode; + +typedef const SkGlyph& (*SkDrawCacheProc)(SkGlyphCache*, const char**, + SkFixed x, SkFixed y); + +typedef const SkGlyph& (*SkMeasureCacheProc)(SkGlyphCache*, const char**); + +/** \class SkPaint + + The SkPaint class holds the style and color information about how to draw + geometries, text and bitmaps. +*/ +class SkPaint { +public: + SkPaint(); + SkPaint(const SkPaint& paint); + ~SkPaint(); + + SkPaint& operator=(const SkPaint&); + + friend int operator==(const SkPaint& a, const SkPaint& b); + friend int operator!=(const SkPaint& a, const SkPaint& b) + { + return !(a == b); + } + + void flatten(SkFlattenableWriteBuffer&) const; + void unflatten(SkFlattenableReadBuffer&); + + /** Restores the paint to its initial settings. + */ + void reset(); + + /** Specifies the bit values that are stored in the paint's flags. + */ + enum Flags { + kAntiAlias_Flag = 0x01, //!< mask to enable antialiasing + kFilterBitmap_Flag = 0x02, //!< mask to enable bitmap filtering + kDither_Flag = 0x04, //!< mask to enable dithering + kUnderlineText_Flag = 0x08, //!< mask to enable underline text + kStrikeThruText_Flag = 0x10, //!< mask to enable strike-thru text + kFakeBoldText_Flag = 0x20, //!< mask to enable fake-bold text + kLinearText_Flag = 0x40, //!< mask to enable linear-text + kSubpixelText_Flag = 0x80, //!< mask to enable subpixel-text + kDevKernText_Flag = 0x100, //!< mask to enable device kerning text + + kAllFlags = 0x1FF + }; + + /** Return the paint's flags. Use the Flag enum to test flag values. + @return the paint's flags (see enums ending in _Flag for bit masks) + */ + uint32_t getFlags() const { return fFlags; } + + /** Set the paint's flags. Use the Flag enum to specific flag values. + @param flags The new flag bits for the paint (see Flags enum) + */ + void setFlags(uint32_t flags); + + /** Helper for getFlags(), returning true if kAntiAlias_Flag bit is set + @return true if the antialias bit is set in the paint's flags. + */ + bool isAntiAlias() const + { + return SkToBool(this->getFlags() & kAntiAlias_Flag); + } + + /** Helper for setFlags(), setting or clearing the kAntiAlias_Flag bit + @param aa true to enable antialiasing, false to disable it + */ + void setAntiAlias(bool aa); + + /** Helper for getFlags(), returning true if kDither_Flag bit is set + @return true if the dithering bit is set in the paint's flags. + */ + bool isDither() const + { + return SkToBool(this->getFlags() & kDither_Flag); + } + + /** Helper for setFlags(), setting or clearing the kDither_Flag bit + @param dither true to enable dithering, false to disable it + */ + void setDither(bool dither); + + /** Helper for getFlags(), returning true if kLinearText_Flag bit is set + @return true if the lineartext bit is set in the paint's flags + */ + bool isLinearText() const + { + return SkToBool(this->getFlags() & kLinearText_Flag); + } + + /** Helper for setFlags(), setting or clearing the kLinearText_Flag bit + @param linearText true to set the linearText bit in the paint's flags, + false to clear it. + */ + void setLinearText(bool linearText); + + /** Helper for getFlags(), returning true if kSubpixelText_Flag bit is set + @return true if the lineartext bit is set in the paint's flags + */ + bool isSubpixelText() const + { + return SkToBool(this->getFlags() & kSubpixelText_Flag); + } + + /** Helper for setFlags(), setting or clearing the kSubpixelText_Flag bit + @param subpixelText true to set the subpixelText bit in the paint's + flags, false to clear it. + */ + void setSubpixelText(bool subpixelText); + + /** Helper for getFlags(), returning true if kUnderlineText_Flag bit is set + @return true if the underlineText bit is set in the paint's flags. + */ + bool isUnderlineText() const + { + return SkToBool(this->getFlags() & kUnderlineText_Flag); + } + + /** Helper for setFlags(), setting or clearing the kUnderlineText_Flag bit + @param underlineText true to set the underlineText bit in the paint's + flags, false to clear it. + */ + void setUnderlineText(bool underlineText); + + /** Helper for getFlags(), returns true if kStrikeThruText_Flag bit is set + @return true if the strikeThruText bit is set in the paint's flags. + */ + bool isStrikeThruText() const + { + return SkToBool(this->getFlags() & kStrikeThruText_Flag); + } + + /** Helper for setFlags(), setting or clearing the kStrikeThruText_Flag bit + @param strikeThruText true to set the strikeThruText bit in the + paint's flags, false to clear it. + */ + void setStrikeThruText(bool strikeThruText); + + /** Helper for getFlags(), returns true if kFakeBoldText_Flag bit is set + @return true if the kFakeBoldText_Flag bit is set in the paint's flags. + */ + bool isFakeBoldText() const + { + return SkToBool(this->getFlags() & kFakeBoldText_Flag); + } + + /** Helper for setFlags(), setting or clearing the kFakeBoldText_Flag bit + @param fakeBoldText true to set the kFakeBoldText_Flag bit in the paint's + flags, false to clear it. + */ + void setFakeBoldText(bool fakeBoldText); + + /** Helper for getFlags(), returns true if kDevKernText_Flag bit is set + @return true if the kernText bit is set in the paint's flags. + */ + bool isDevKernText() const + { + return SkToBool(this->getFlags() & kDevKernText_Flag); + } + + /** Helper for setFlags(), setting or clearing the kKernText_Flag bit + @param kernText true to set the kKernText_Flag bit in the paint's + flags, false to clear it. + */ + void setDevKernText(bool devKernText); + + bool isFilterBitmap() const + { + return SkToBool(this->getFlags() & kFilterBitmap_Flag); + } + + void setFilterBitmap(bool filterBitmap); + + /** Styles apply to rect, oval, path, and text. + Bitmaps are always drawn in "fill", and lines are always drawn in + "stroke". + */ + enum Style { + kFill_Style, //!< fill with the paint's color + kStroke_Style, //!< stroke with the paint's color + kStrokeAndFill_Style, //!< fill and stroke with the paint's color + + kStyleCount, + }; + + /** Return the paint's style, used for controlling how primitives' + geometries are interpreted (except for drawBitmap, which always assumes + kFill_Style). + @return the paint's Style + */ + Style getStyle() const { return (Style)fStyle; } + + /** Set the paint's style, used for controlling how primitives' + geometries are interpreted (except for drawBitmap, which always assumes + Fill). + @param style The new style to set in the paint + */ + void setStyle(Style style); + + /** Return the paint's color. Note that the color is a 32bit value + containing alpha as well as r,g,b. This 32bit value is not + premultiplied, meaning that its alpha can be any value, regardless of + the values of r,g,b. + @return the paint's color (and alpha). + */ + SkColor getColor() const { return fColor; } + + /** Set the paint's color. Note that the color is a 32bit value containing + alpha as well as r,g,b. This 32bit value is not premultiplied, meaning + that its alpha can be any value, regardless of the values of r,g,b. + @param color The new color (including alpha) to set in the paint. + */ + void setColor(SkColor color); + + /** Helper to getColor() that just returns the color's alpha value. + @return the alpha component of the paint's color. + */ + uint8_t getAlpha() const { return SkToU8(SkColorGetA(fColor)); } + + /** Helper to setColor(), that only assigns the color's alpha value, + leaving its r,g,b values unchanged. + @param a set the alpha component (0..255) of the paint's color. + */ + void setAlpha(U8CPU a); + + /** Helper to setColor(), that takes a,r,g,b and constructs the color value + using SkColorSetARGB() + @param a The new alpha component (0..255) of the paint's color. + @param r The new red component (0..255) of the paint's color. + @param g The new green component (0..255) of the paint's color. + @param b The new blue component (0..255) of the paint's color. + */ + void setARGB(U8CPU a, U8CPU r, U8CPU g, U8CPU b); + + /** Return the width for stroking. + <p /> + A value of 0 strokes in hairline mode. + Hairlines always draw 1-pixel wide, regardless of the matrix. + @return the paint's stroke width, used whenever the paint's style is + Stroke or StrokeAndFill. + */ + SkScalar getStrokeWidth() const { return fWidth; } + + /** Set the width for stroking. + Pass 0 to stroke in hairline mode. + Hairlines always draw 1-pixel wide, regardless of the matrix. + @param width set the paint's stroke width, used whenever the paint's + style is Stroke or StrokeAndFill. + */ + void setStrokeWidth(SkScalar width); + + /** Return the paint's stroke miter value. This is used to control the + behavior of miter joins when the joins angle is sharp. + @return the paint's miter limit, used whenever the paint's style is + Stroke or StrokeAndFill. + */ + SkScalar getStrokeMiter() const { return fMiterLimit; } + + /** Set the paint's stroke miter value. This is used to control the + behavior of miter joins when the joins angle is sharp. This value must + be >= 0. + @param miter set the miter limit on the paint, used whenever the + paint's style is Stroke or StrokeAndFill. + */ + void setStrokeMiter(SkScalar miter); + + /** Cap enum specifies the settings for the paint's strokecap. This is the + treatment that is applied to the beginning and end of each non-closed + contour (e.g. lines). + */ + enum Cap { + kButt_Cap, //!< begin/end contours with no extension + kRound_Cap, //!< begin/end contours with a semi-circle extension + kSquare_Cap, //!< begin/end contours with a half square extension + + kCapCount, + kDefault_Cap = kButt_Cap + }; + + /** Join enum specifies the settings for the paint's strokejoin. This is + the treatment that is applied to corners in paths and rectangles. + */ + enum Join { + kMiter_Join, //!< connect path segments with a sharp join + kRound_Join, //!< connect path segments with a round join + kBevel_Join, //!< connect path segments with a flat bevel join + + kJoinCount, + kDefault_Join = kMiter_Join + }; + + /** Return the paint's stroke cap type, controlling how the start and end + of stroked lines and paths are treated. + @return the line cap style for the paint, used whenever the paint's + style is Stroke or StrokeAndFill. + */ + Cap getStrokeCap() const { return (Cap)fCapType; } + + /** Set the paint's stroke cap type. + @param cap set the paint's line cap style, used whenever the paint's + style is Stroke or StrokeAndFill. + */ + void setStrokeCap(Cap cap); + + /** Return the paint's stroke join type. + @return the paint's line join style, used whenever the paint's style is + Stroke or StrokeAndFill. + */ + Join getStrokeJoin() const { return (Join)fJoinType; } + + /** Set the paint's stroke join type. + @param join set the paint's line join style, used whenever the paint's + style is Stroke or StrokeAndFill. + */ + void setStrokeJoin(Join join); + + /** Applies any/all effects (patheffect, stroking) to src, returning the + result in dst. The result is that drawing src with this paint will be + the same as drawing dst with a default paint (at least from the + geometric perspective). + @param src input path + @param dst output path (may be the same as src) + @return true if the path should be filled, or false if it should be + drawn with a hairline (width == 0) + */ + bool getFillPath(const SkPath& src, SkPath* dst) const; + + /** Get the paint's shader object. + <p /> + The shader's reference count is not affected. + @return the paint's shader (or NULL) + */ + SkShader* getShader() const { return fShader; } + + /** Set or clear the shader object. + <p /> + Pass NULL to clear any previous shader. + As a convenience, the parameter passed is also returned. + If a previous shader exists, its reference count is decremented. + If shader is not NULL, its reference count is incremented. + @param shader May be NULL. The shader to be installed in the paint + @return shader + */ + SkShader* setShader(SkShader* shader); + + /** Get the paint's colorfilter. If there is a colorfilter, its reference + count is not changed. + @return the paint's colorfilter (or NULL) + */ + SkColorFilter* getColorFilter() const { return fColorFilter; } + + /** Set or clear the paint's colorfilter, returning the parameter. + <p /> + If the paint already has a filter, its reference count is decremented. + If filter is not NULL, its reference count is incremented. + @param filter May be NULL. The filter to be installed in the paint + @return filter + */ + SkColorFilter* setColorFilter(SkColorFilter* filter); + + /** Get the paint's xfermode object. + <p /> + The xfermode's reference count is not affected. + @return the paint's xfermode (or NULL) + */ + SkXfermode* getXfermode() const { return fXfermode; } + + /** Set or clear the xfermode object. + <p /> + Pass NULL to clear any previous xfermode. + As a convenience, the parameter passed is also returned. + If a previous xfermode exists, its reference count is decremented. + If xfermode is not NULL, its reference count is incremented. + @param xfermode May be NULL. The new xfermode to be installed in the + paint + @return xfermode + */ + SkXfermode* setXfermode(SkXfermode* xfermode); + + /** Helper for setXfermode, passing the corresponding xfermode object + returned from the PorterDuff factory. + @param mode The porter-duff mode used to create an xfermode for the + paint. + @return the resulting xfermode object (or NULL if the mode is + SrcOver) + */ + SkXfermode* setPorterDuffXfermode(SkPorterDuff::Mode mode); + + /** Get the paint's patheffect object. + <p /> + The patheffect reference count is not affected. + @return the paint's patheffect (or NULL) + */ + SkPathEffect* getPathEffect() const { return fPathEffect; } + + /** Set or clear the patheffect object. + <p /> + Pass NULL to clear any previous patheffect. + As a convenience, the parameter passed is also returned. + If a previous patheffect exists, its reference count is decremented. + If patheffect is not NULL, its reference count is incremented. + @param effect May be NULL. The new patheffect to be installed in the + paint + @return effect + */ + SkPathEffect* setPathEffect(SkPathEffect* effect); + + /** Get the paint's maskfilter object. + <p /> + The maskfilter reference count is not affected. + @return the paint's maskfilter (or NULL) + */ + SkMaskFilter* getMaskFilter() const { return fMaskFilter; } + + /** Set or clear the maskfilter object. + <p /> + Pass NULL to clear any previous maskfilter. + As a convenience, the parameter passed is also returned. + If a previous maskfilter exists, its reference count is decremented. + If maskfilter is not NULL, its reference count is incremented. + @param maskfilter May be NULL. The new maskfilter to be installed in + the paint + @return maskfilter + */ + SkMaskFilter* setMaskFilter(SkMaskFilter* maskfilter); + + // These attributes are for text/fonts + + /** Get the paint's typeface object. + <p /> + The typeface object identifies which font to use when drawing or + measuring text. The typeface reference count is not affected. + @return the paint's typeface (or NULL) + */ + SkTypeface* getTypeface() const { return fTypeface; } + + /** Set or clear the typeface object. + <p /> + Pass NULL to clear any previous typeface. + As a convenience, the parameter passed is also returned. + If a previous typeface exists, its reference count is decremented. + If typeface is not NULL, its reference count is incremented. + @param typeface May be NULL. The new typeface to be installed in the + paint + @return typeface + */ + SkTypeface* setTypeface(SkTypeface* typeface); + + /** Get the paint's rasterizer (or NULL). + <p /> + The raster controls how paths/text are turned into alpha masks. + @return the paint's rasterizer (or NULL) + */ + SkRasterizer* getRasterizer() const { return fRasterizer; } + + /** Set or clear the rasterizer object. + <p /> + Pass NULL to clear any previous rasterizer. + As a convenience, the parameter passed is also returned. + If a previous rasterizer exists in the paint, its reference count is + decremented. If rasterizer is not NULL, its reference count is + incremented. + @param rasterizer May be NULL. The new rasterizer to be installed in + the paint. + @return rasterizer + */ + SkRasterizer* setRasterizer(SkRasterizer* rasterizer); + + SkDrawLooper* getLooper() const { return fLooper; } + SkDrawLooper* setLooper(SkDrawLooper*); + + enum Align { + kLeft_Align, + kCenter_Align, + kRight_Align, + + kAlignCount + }; + /** Return the paint's Align value for drawing text. + @return the paint's Align value for drawing text. + */ + Align getTextAlign() const { return (Align)fTextAlign; } + /** Set the paint's text alignment. + @param align set the paint's Align value for drawing text. + */ + void setTextAlign(Align align); + + /** Return the paint's text size. + @return the paint's text size. + */ + SkScalar getTextSize() const { return fTextSize; } + + /** Set the paint's text size. This value must be > 0 + @param textSize set the paint's text size. + */ + void setTextSize(SkScalar textSize); + + /** Return the paint's horizontal scale factor for text. The default value + is 1.0. + @return the paint's scale factor in X for drawing/measuring text + */ + SkScalar getTextScaleX() const { return fTextScaleX; } + + /** Set the paint's horizontal scale factor for text. The default value + is 1.0. Values > 1.0 will stretch the text wider. Values < 1.0 will + stretch the text narrower. + @param scaleX set the paint's scale factor in X for drawing/measuring + text. + */ + void setTextScaleX(SkScalar scaleX); + + /** Return the paint's horizontal skew factor for text. The default value + is 0. + @return the paint's skew factor in X for drawing text. + */ + SkScalar getTextSkewX() const { return fTextSkewX; } + + /** Set the paint's horizontal skew factor for text. The default value + is 0. For approximating oblique text, use values around -0.25. + @param skewX set the paint's skew factor in X for drawing text. + */ + void setTextSkewX(SkScalar skewX); + + /** Describes how to interpret the text parameters that are passed to paint + methods like measureText() and getTextWidths(). + */ + enum TextEncoding { + kUTF8_TextEncoding, //!< the text parameters are UTF8 + kUTF16_TextEncoding, //!< the text parameters are UTF16 + kGlyphID_TextEncoding //!< the text parameters are glyph indices + }; + + TextEncoding getTextEncoding() const + { + return (TextEncoding)fTextEncoding; + } + + void setTextEncoding(TextEncoding encoding); + + struct FontMetrics { + SkScalar fTop; //!< The greatest distance above the baseline for any glyph (will be <= 0) + SkScalar fAscent; //!< The recommended distance above the baseline (will be <= 0) + SkScalar fDescent; //!< The recommended distance below the baseline (will be >= 0) + SkScalar fBottom; //!< The greatest distance below the baseline for any glyph (will be >= 0) + SkScalar fLeading; //!< The recommended distance to add between lines of text (will be >= 0) + }; + + /** Return the recommend spacing between lines (which will be + fDescent - fAscent + fLeading). + If metrics is not null, return in it the font metrics for the + typeface/pointsize/etc. currently set in the paint. + @param metrics If not null, returns the font metrics for the + current typeface/pointsize/etc setting in this + paint. + @param scale If not 0, return width as if the canvas were scaled + by this value + @param return the recommended spacing between lines + */ + SkScalar getFontMetrics(FontMetrics* metrics, SkScalar scale = 0) const; + + /** Return the recommend line spacing. This will be + fDescent - fAscent + fLeading + */ + SkScalar getFontSpacing() const { return this->getFontMetrics(NULL, 0); } + + /** Convert the specified text into glyph IDs, returning the number of + glyphs ID written. If glyphs is NULL, it is ignore and only the count + is returned. + */ + int textToGlyphs(const void* text, size_t byteLength, + uint16_t glyphs[]) const; + + /** Return the number of drawable units in the specified text buffer. + This looks at the current TextEncoding field of the paint. If you also + want to have the text converted into glyph IDs, call textToGlyphs + instead. + */ + int countText(const void* text, size_t byteLength) const + { + return this->textToGlyphs(text, byteLength, NULL); + } + + /** Return the width of the text. + @param text The text to be measured + @param length Number of bytes of text to measure + @param bounds If not NULL, returns the bounds of the text, + relative to (0, 0). + @param scale If not 0, return width as if the canvas were scaled + by this value + @return The advance width of the text + */ + SkScalar measureText(const void* text, size_t length, + SkRect* bounds, SkScalar scale = 0) const; + + /** Return the width of the text. + @param text Address of the text + @param length Number of bytes of text to measure + @return The width of the text + */ + SkScalar measureText(const void* text, size_t length) const + { + return this->measureText(text, length, NULL, 0); + } + + /** Specify the direction the text buffer should be processed in breakText() + */ + enum TextBufferDirection { + /** When measuring text for breakText(), begin at the start of the text + buffer and proceed forward through the data. This is the default. + */ + kForward_TextBufferDirection, + /** When measuring text for breakText(), begin at the end of the text + buffer and proceed backwards through the data. + */ + kBackward_TextBufferDirection + }; + + /** Return the width of the text. + @param text The text to be measured + @param length Number of bytes of text to measure + @param maxWidth Maximum width. Only the subset of text whose accumulated + widths are <= maxWidth are measured. + @param measuredWidth Optional. If non-null, this returns the actual + width of the measured text. + @param tbd Optional. The direction the text buffer should be + traversed during measuring. + @return The number of bytes of text that were measured. Will be + <= length. + */ + size_t breakText(const void* text, size_t length, SkScalar maxWidth, + SkScalar* measuredWidth = NULL, + TextBufferDirection tbd = kForward_TextBufferDirection) + const; + + /** Return the advance widths for the characters in the string. + @param text the text + @param byteLength number of bytes to of text + @param widths If not null, returns the array of advance widths of + the glyphs. If not NULL, must be at least a large + as the number of unichars in the specified text. + @param bounds If not null, returns the bounds for each of + character, relative to (0, 0) + @return the number of unichars in the specified text. + */ + int getTextWidths(const void* text, size_t byteLength, SkScalar widths[], + SkRect bounds[] = NULL) const; + + /** Return the path (outline) for the specified text. + Note: just like SkCanvas::drawText, this will respect the Align setting + in the paint. + */ + void getTextPath(const void* text, size_t length, SkScalar x, SkScalar y, + SkPath* path) const; + +private: + SkTypeface* fTypeface; + SkScalar fTextSize; + SkScalar fTextScaleX; + SkScalar fTextSkewX; + + SkPathEffect* fPathEffect; + SkShader* fShader; + SkXfermode* fXfermode; + SkMaskFilter* fMaskFilter; + SkColorFilter* fColorFilter; + SkRasterizer* fRasterizer; + SkDrawLooper* fLooper; + + SkColor fColor; + SkScalar fWidth; + SkScalar fMiterLimit; + unsigned fFlags : 9; + unsigned fTextAlign : 2; + unsigned fCapType : 2; + unsigned fJoinType : 2; + unsigned fStyle : 2; + unsigned fTextEncoding : 2; // 3 values + + SkDrawCacheProc getDrawCacheProc() const; + SkMeasureCacheProc getMeasureCacheProc(TextBufferDirection dir, + bool needFullMetrics) const; + + SkScalar measure_text(SkGlyphCache*, const char* text, size_t length, + int* count, SkRect* bounds) const; + + SkGlyphCache* detachCache(const SkMatrix*) const; + + void descriptorProc(const SkMatrix* deviceMatrix, + void (*proc)(const SkDescriptor*, void*), + void* context) const; + + enum { + kCanonicalTextSizeForPaths = 64 + }; + friend class SkCanvas; + friend class SkDraw; + friend class SkAutoGlyphCache; + friend class SkTextToPathIter; +}; + +////////////////////////////////////////////////////////////////////////// + +#include "SkPathEffect.h" + +/** \class SkStrokePathEffect + + SkStrokePathEffect simulates stroking inside a patheffect, allowing the + caller to have explicit control of when to stroke a path. Typically this is + used if the caller wants to stroke before another patheffect is applied + (using SkComposePathEffect or SkSumPathEffect). +*/ +class SkStrokePathEffect : public SkPathEffect { +public: + SkStrokePathEffect(const SkPaint&); + SkStrokePathEffect(SkScalar width, SkPaint::Style, SkPaint::Join, + SkPaint::Cap, SkScalar miterLimit = -1); + + // overrides + // This method is not exported to java. + virtual bool filterPath(SkPath* dst, const SkPath& src, SkScalar* width); + + // overrides for SkFlattenable + // This method is not exported to java. + virtual void flatten(SkFlattenableWriteBuffer&); + // This method is not exported to java. + virtual Factory getFactory(); + +private: + SkScalar fWidth, fMiter; + uint8_t fStyle, fJoin, fCap; + + static SkFlattenable* CreateProc(SkFlattenableReadBuffer&); + SkStrokePathEffect(SkFlattenableReadBuffer&); + + typedef SkPathEffect INHERITED; + + // illegal + SkStrokePathEffect(const SkStrokePathEffect&); + SkStrokePathEffect& operator=(const SkStrokePathEffect&); +}; + +#endif + |