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Side by Side Diff: Source/core/layout/svg/SVGLayoutSupport.cpp

Issue 1070703002: Explicitly use SkPaint(s) in SVGInlineTextBoxPainter (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 5 years, 8 months ago
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1 /* 1 /*
2 * Copyright (C) 2007, 2008 Rob Buis <buis@kde.org> 2 * Copyright (C) 2007, 2008 Rob Buis <buis@kde.org>
3 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org> 3 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
4 * Copyright (C) 2007 Eric Seidel <eric@webkit.org> 4 * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
5 * Copyright (C) 2009 Google, Inc. All rights reserved. 5 * Copyright (C) 2009 Google, Inc. All rights reserved.
6 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> 6 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
7 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. 7 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
8 * 8 *
9 * This library is free software; you can redistribute it and/or 9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Library General Public 10 * modify it under the terms of the GNU Library General Public
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349 } 349 }
350 350
351 DashArray SVGLayoutSupport::resolveSVGDashArray(const SVGDashArray& svgDashArray , const ComputedStyle& style, const SVGLengthContext& lengthContext) 351 DashArray SVGLayoutSupport::resolveSVGDashArray(const SVGDashArray& svgDashArray , const ComputedStyle& style, const SVGLengthContext& lengthContext)
352 { 352 {
353 DashArray dashArray; 353 DashArray dashArray;
354 for (const Length& dashLength : svgDashArray.vector()) 354 for (const Length& dashLength : svgDashArray.vector())
355 dashArray.append(lengthContext.valueForLength(dashLength, style)); 355 dashArray.append(lengthContext.valueForLength(dashLength, style));
356 return dashArray; 356 return dashArray;
357 } 357 }
358 358
359 void SVGLayoutSupport::applyStrokeStyleToContext(GraphicsContext& context, const ComputedStyle& style, const LayoutObject& object)
360 {
361 ASSERT(object.node());
362 ASSERT(object.node()->isSVGElement());
363
364 const SVGComputedStyle& svgStyle = style.svgStyle();
365
366 SVGLengthContext lengthContext(toSVGElement(object.node()));
367 context.setStrokeThickness(lengthContext.valueForLength(svgStyle.strokeWidth ()));
368 context.setLineCap(svgStyle.capStyle());
369 context.setLineJoin(svgStyle.joinStyle());
370 context.setMiterLimit(svgStyle.strokeMiterLimit());
371
372 DashArray dashArray = resolveSVGDashArray(*svgStyle.strokeDashArray(), style , lengthContext);
373 context.setLineDash(dashArray, lengthContext.valueForLength(svgStyle.strokeD ashOffset(), style));
374 }
375
376 void SVGLayoutSupport::applyStrokeStyleToStrokeData(StrokeData& strokeData, cons t ComputedStyle& style, const LayoutObject& object) 359 void SVGLayoutSupport::applyStrokeStyleToStrokeData(StrokeData& strokeData, cons t ComputedStyle& style, const LayoutObject& object)
377 { 360 {
378 ASSERT(object.node()); 361 ASSERT(object.node());
379 ASSERT(object.node()->isSVGElement()); 362 ASSERT(object.node()->isSVGElement());
380 363
381 const SVGComputedStyle& svgStyle = style.svgStyle(); 364 const SVGComputedStyle& svgStyle = style.svgStyle();
382 365
383 SVGLengthContext lengthContext(toSVGElement(object.node())); 366 SVGLengthContext lengthContext(toSVGElement(object.node()));
384 strokeData.setThickness(lengthContext.valueForLength(svgStyle.strokeWidth()) ); 367 strokeData.setThickness(lengthContext.valueForLength(svgStyle.strokeWidth()) );
385 strokeData.setLineCap(svgStyle.capStyle()); 368 strokeData.setLineCap(svgStyle.capStyle());
386 strokeData.setLineJoin(svgStyle.joinStyle()); 369 strokeData.setLineJoin(svgStyle.joinStyle());
387 strokeData.setMiterLimit(svgStyle.strokeMiterLimit()); 370 strokeData.setMiterLimit(svgStyle.strokeMiterLimit());
388 371
389 DashArray dashArray = resolveSVGDashArray(*svgStyle.strokeDashArray(), style , lengthContext); 372 DashArray dashArray = resolveSVGDashArray(*svgStyle.strokeDashArray(), style , lengthContext);
390 strokeData.setLineDash(dashArray, lengthContext.valueForLength(svgStyle.stro keDashOffset(), style)); 373 strokeData.setLineDash(dashArray, lengthContext.valueForLength(svgStyle.stro keDashOffset(), style));
391 } 374 }
392 375
393 bool SVGLayoutSupport::updateGraphicsContext(const PaintInfo& paintInfo, Graphic sContextStateSaver& stateSaver, const ComputedStyle& style, LayoutObject& layout Object, LayoutSVGResourceMode resourceMode, const AffineTransform* additionalPai ntServerTransform)
394 {
395 ASSERT(paintInfo.context == stateSaver.context());
396
397 GraphicsContext& context = *paintInfo.context;
398 if (paintInfo.isRenderingClipPathAsMaskImage()) {
399 if (resourceMode == ApplyToStrokeMode)
400 return false;
401 context.setFillColor(SVGComputedStyle::initialFillPaintColor());
402 return true;
403 }
404
405 SVGPaintServer paintServer = SVGPaintServer::requestForLayoutObject(layoutOb ject, style, resourceMode);
406 if (!paintServer.isValid())
407 return false;
408
409 if (additionalPaintServerTransform && paintServer.isTransformDependent())
410 paintServer.prependTransform(*additionalPaintServerTransform);
411
412 const SVGComputedStyle& svgStyle = style.svgStyle();
413 float paintAlpha = resourceMode == ApplyToFillMode ? svgStyle.fillOpacity() : svgStyle.strokeOpacity();
414 paintServer.apply(context, resourceMode, paintAlpha, stateSaver);
415
416 if (resourceMode == ApplyToFillMode)
417 context.setFillRule(svgStyle.fillRule());
418 else
419 applyStrokeStyleToContext(context, style, layoutObject);
420
421 return true;
422 }
423
424 bool SVGLayoutSupport::isLayoutableTextNode(const LayoutObject* object) 376 bool SVGLayoutSupport::isLayoutableTextNode(const LayoutObject* object)
425 { 377 {
426 ASSERT(object->isText()); 378 ASSERT(object->isText());
427 // <br> is marked as text, but is not handled by the SVG layout code-path. 379 // <br> is marked as text, but is not handled by the SVG layout code-path.
428 return object->isSVGInlineText() && !toLayoutSVGInlineText(object)->hasEmpty Text(); 380 return object->isSVGInlineText() && !toLayoutSVGInlineText(object)->hasEmpty Text();
429 } 381 }
430 382
431 bool SVGLayoutSupport::willIsolateBlendingDescendantsForStyle(const ComputedStyl e& style) 383 bool SVGLayoutSupport::willIsolateBlendingDescendantsForStyle(const ComputedStyl e& style)
432 { 384 {
433 const SVGComputedStyle& svgStyle = style.svgStyle(); 385 const SVGComputedStyle& svgStyle = style.svgStyle();
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504 456
505 layer = layer->parent(); 457 layer = layer->parent();
506 } 458 }
507 459
508 ctm.scale(deviceScaleFactor); 460 ctm.scale(deviceScaleFactor);
509 461
510 return narrowPrecisionToFloat(sqrt((pow(ctm.xScale(), 2) + pow(ctm.yScale(), 2)) / 2)); 462 return narrowPrecisionToFloat(sqrt((pow(ctm.xScale(), 2) + pow(ctm.yScale(), 2)) / 2));
511 } 463 }
512 464
513 } 465 }
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