author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 09:20:16 +0200 | |
changeset 25 | 0ed94ceaa377 |
parent 0 | dd21522fd290 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2005 Apple Computer, Inc. All rights reserved. |
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* 2006 Rob Buis <buis@kde.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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|
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#include "config.h" |
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#if ENABLE(SVG) |
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#include <ApplicationServices/ApplicationServices.h> |
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#include "CgSupport.h" |
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#include "FloatConversion.h" |
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#include "GraphicsContext.h" |
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#include "KCanvasRenderingStyle.h" |
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#include "RenderStyle.h" |
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#include "SVGRenderStyle.h" |
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#include <wtf/Assertions.h> |
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namespace WebCore { |
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CFStringRef CFStringFromCGAffineTransform(CGAffineTransform t) |
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{ |
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return CFStringCreateWithFormat(0, 0, CFSTR("a: %f b: %f c: %f d: %f tx: %f ty: %f"), t.a, t.b, t.c, t.d, t.tx, t.ty); |
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} |
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CGAffineTransform CGAffineTransformMakeMapBetweenRects(CGRect source, CGRect dest) |
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{ |
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CGAffineTransform transform = CGAffineTransformMakeTranslation(dest.origin.x - source.origin.x, dest.origin.y - source.origin.y); |
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transform = CGAffineTransformScale(transform, dest.size.width/source.size.width, dest.size.height/source.size.height); |
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return transform; |
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} |
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void applyStrokeStyleToContext(CGContextRef context, RenderStyle* style, const RenderObject* object) |
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{ |
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/* Shouldn't all these be in the stroke painter? */ |
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CGContextSetLineWidth(context, narrowPrecisionToCGFloat(KSVGPainterFactory::cssPrimitiveToLength(object, style->svgStyle()->strokeWidth(), 1.0))); |
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CGContextSetLineCap(context, CGLineCapFromKC(style->svgStyle()->capStyle())); |
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CGContextSetLineJoin(context, CGLineJoinFromKC(style->svgStyle()->joinStyle())); |
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CGContextSetMiterLimit(context, style->svgStyle()->strokeMiterLimit()); |
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const KCDashArray& dashes = KSVGPainterFactory::dashArrayFromRenderingStyle(style); |
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double dashOffset = KSVGPainterFactory::cssPrimitiveToLength(object, style->svgStyle()->strokeDashOffset(), 0.0); |
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CGContextSetLineDash(context, narrowPrecisionToCGFloat(dashOffset), dashes.data(), dashes.size()); |
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} |
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CGContextRef scratchContext() |
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{ |
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static CGContextRef scratch = 0; |
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if (!scratch) { |
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CFMutableDataRef empty = CFDataCreateMutable(NULL, 0); |
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CGDataConsumerRef consumer = CGDataConsumerCreateWithCFData(empty); |
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scratch = CGPDFContextCreate(consumer, NULL, NULL); |
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CGDataConsumerRelease(consumer); |
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CFRelease(empty); |
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CGFloat black[4] = {0, 0, 0, 1}; |
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CGContextSetFillColor(scratch, black); |
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CGContextSetStrokeColor(scratch, black); |
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} |
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return scratch; |
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} |
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|
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FloatRect strokeBoundingBox(const Path& path, RenderStyle* style, const RenderObject* object) |
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{ |
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// the bbox might grow if the path is stroked. |
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// and CGPathGetBoundingBox doesn't support that, so we'll have |
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// to make an alternative call... |
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|
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// FIXME: since this is mainly used to decide what to repaint, |
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// perhaps it would be sufficien to just outset the fill bbox by |
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// the stroke width - that should be way cheaper and simpler than |
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// what we do here. |
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CGPathRef cgPath = path.platformPath(); |
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CGContextRef context = scratchContext(); |
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CGContextSaveGState(context); |
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CGContextBeginPath(context); |
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CGContextAddPath(context, cgPath); |
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Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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105 |
applyStrokeStyleToContext(context, style, object); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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changeset
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106 |
CGContextReplacePathWithStrokedPath(context); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
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107 |
CGRect box = CGContextGetPathBoundingBox(context); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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108 |
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dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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109 |
CGContextRestoreGState(context); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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110 |
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dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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111 |
return FloatRect(box); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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112 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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113 |
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Revision: 200911
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114 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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115 |
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dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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116 |
#endif // ENABLE(SVG) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
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117 |