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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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341 } | 341 } |
342 | 342 |
343 bool SVGLayoutSupport::transformToUserSpaceAndCheckClipping(LayoutObject* object
, const AffineTransform& localTransform, const FloatPoint& pointInParent, FloatP
oint& localPoint) | 343 bool SVGLayoutSupport::transformToUserSpaceAndCheckClipping(LayoutObject* object
, const AffineTransform& localTransform, const FloatPoint& pointInParent, FloatP
oint& localPoint) |
344 { | 344 { |
345 if (!localTransform.isInvertible()) | 345 if (!localTransform.isInvertible()) |
346 return false; | 346 return false; |
347 localPoint = localTransform.inverse().mapPoint(pointInParent); | 347 localPoint = localTransform.inverse().mapPoint(pointInParent); |
348 return pointInClippingArea(object, localPoint); | 348 return pointInClippingArea(object, localPoint); |
349 } | 349 } |
350 | 350 |
351 DashArray SVGLayoutSupport::resolveSVGDashArray(const SVGDashArray& svgDashArray
, const LayoutStyle& 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
LayoutStyle& style, const LayoutObject& object) | 359 void SVGLayoutSupport::applyStrokeStyleToContext(GraphicsContext& context, const
ComputedStyle& style, const LayoutObject& object) |
360 { | 360 { |
361 ASSERT(object.node()); | 361 ASSERT(object.node()); |
362 ASSERT(object.node()->isSVGElement()); | 362 ASSERT(object.node()->isSVGElement()); |
363 | 363 |
364 const SVGLayoutStyle& svgStyle = style.svgStyle(); | 364 const SVGComputedStyle& svgStyle = style.svgStyle(); |
365 | 365 |
366 SVGLengthContext lengthContext(toSVGElement(object.node())); | 366 SVGLengthContext lengthContext(toSVGElement(object.node())); |
367 context.setStrokeThickness(lengthContext.valueForLength(svgStyle.strokeWidth
())); | 367 context.setStrokeThickness(lengthContext.valueForLength(svgStyle.strokeWidth
())); |
368 context.setLineCap(svgStyle.capStyle()); | 368 context.setLineCap(svgStyle.capStyle()); |
369 context.setLineJoin(svgStyle.joinStyle()); | 369 context.setLineJoin(svgStyle.joinStyle()); |
370 context.setMiterLimit(svgStyle.strokeMiterLimit()); | 370 context.setMiterLimit(svgStyle.strokeMiterLimit()); |
371 | 371 |
372 DashArray dashArray = resolveSVGDashArray(*svgStyle.strokeDashArray(), style
, lengthContext); | 372 DashArray dashArray = resolveSVGDashArray(*svgStyle.strokeDashArray(), style
, lengthContext); |
373 context.setLineDash(dashArray, lengthContext.valueForLength(svgStyle.strokeD
ashOffset(), style)); | 373 context.setLineDash(dashArray, lengthContext.valueForLength(svgStyle.strokeD
ashOffset(), style)); |
374 } | 374 } |
375 | 375 |
376 void SVGLayoutSupport::applyStrokeStyleToStrokeData(StrokeData& strokeData, cons
t LayoutStyle& style, const LayoutObject& object) | 376 void SVGLayoutSupport::applyStrokeStyleToStrokeData(StrokeData& strokeData, cons
t ComputedStyle& style, const LayoutObject& object) |
377 { | 377 { |
378 ASSERT(object.node()); | 378 ASSERT(object.node()); |
379 ASSERT(object.node()->isSVGElement()); | 379 ASSERT(object.node()->isSVGElement()); |
380 | 380 |
381 const SVGLayoutStyle& svgStyle = style.svgStyle(); | 381 const SVGComputedStyle& svgStyle = style.svgStyle(); |
382 | 382 |
383 SVGLengthContext lengthContext(toSVGElement(object.node())); | 383 SVGLengthContext lengthContext(toSVGElement(object.node())); |
384 strokeData.setThickness(lengthContext.valueForLength(svgStyle.strokeWidth())
); | 384 strokeData.setThickness(lengthContext.valueForLength(svgStyle.strokeWidth())
); |
385 strokeData.setLineCap(svgStyle.capStyle()); | 385 strokeData.setLineCap(svgStyle.capStyle()); |
386 strokeData.setLineJoin(svgStyle.joinStyle()); | 386 strokeData.setLineJoin(svgStyle.joinStyle()); |
387 strokeData.setMiterLimit(svgStyle.strokeMiterLimit()); | 387 strokeData.setMiterLimit(svgStyle.strokeMiterLimit()); |
388 | 388 |
389 DashArray dashArray = resolveSVGDashArray(*svgStyle.strokeDashArray(), style
, lengthContext); | 389 DashArray dashArray = resolveSVGDashArray(*svgStyle.strokeDashArray(), style
, lengthContext); |
390 strokeData.setLineDash(dashArray, lengthContext.valueForLength(svgStyle.stro
keDashOffset(), style)); | 390 strokeData.setLineDash(dashArray, lengthContext.valueForLength(svgStyle.stro
keDashOffset(), style)); |
391 } | 391 } |
392 | 392 |
393 bool SVGLayoutSupport::updateGraphicsContext(const PaintInfo& paintInfo, Graphic
sContextStateSaver& stateSaver, const LayoutStyle& style, LayoutObject& layoutOb
ject, LayoutSVGResourceMode resourceMode, const AffineTransform* additionalPaint
ServerTransform) | 393 bool SVGLayoutSupport::updateGraphicsContext(const PaintInfo& paintInfo, Graphic
sContextStateSaver& stateSaver, const ComputedStyle& style, LayoutObject& layout
Object, LayoutSVGResourceMode resourceMode, const AffineTransform* additionalPai
ntServerTransform) |
394 { | 394 { |
395 ASSERT(paintInfo.context == stateSaver.context()); | 395 ASSERT(paintInfo.context == stateSaver.context()); |
396 | 396 |
397 GraphicsContext& context = *paintInfo.context; | 397 GraphicsContext& context = *paintInfo.context; |
398 if (paintInfo.isRenderingClipPathAsMaskImage()) { | 398 if (paintInfo.isRenderingClipPathAsMaskImage()) { |
399 if (resourceMode == ApplyToStrokeMode) | 399 if (resourceMode == ApplyToStrokeMode) |
400 return false; | 400 return false; |
401 context.setFillColor(SVGLayoutStyle::initialFillPaintColor()); | 401 context.setFillColor(SVGComputedStyle::initialFillPaintColor()); |
402 return true; | 402 return true; |
403 } | 403 } |
404 | 404 |
405 SVGPaintServer paintServer = SVGPaintServer::requestForLayoutObject(layoutOb
ject, style, resourceMode); | 405 SVGPaintServer paintServer = SVGPaintServer::requestForLayoutObject(layoutOb
ject, style, resourceMode); |
406 if (!paintServer.isValid()) | 406 if (!paintServer.isValid()) |
407 return false; | 407 return false; |
408 | 408 |
409 if (additionalPaintServerTransform && paintServer.isTransformDependent()) | 409 if (additionalPaintServerTransform && paintServer.isTransformDependent()) |
410 paintServer.prependTransform(*additionalPaintServerTransform); | 410 paintServer.prependTransform(*additionalPaintServerTransform); |
411 | 411 |
412 const SVGLayoutStyle& svgStyle = style.svgStyle(); | 412 const SVGComputedStyle& svgStyle = style.svgStyle(); |
413 float paintAlpha = resourceMode == ApplyToFillMode ? svgStyle.fillOpacity()
: svgStyle.strokeOpacity(); | 413 float paintAlpha = resourceMode == ApplyToFillMode ? svgStyle.fillOpacity()
: svgStyle.strokeOpacity(); |
414 paintServer.apply(context, resourceMode, paintAlpha, stateSaver); | 414 paintServer.apply(context, resourceMode, paintAlpha, stateSaver); |
415 | 415 |
416 if (resourceMode == ApplyToFillMode) | 416 if (resourceMode == ApplyToFillMode) |
417 context.setFillRule(svgStyle.fillRule()); | 417 context.setFillRule(svgStyle.fillRule()); |
418 else | 418 else |
419 applyStrokeStyleToContext(context, style, layoutObject); | 419 applyStrokeStyleToContext(context, style, layoutObject); |
420 | 420 |
421 return true; | 421 return true; |
422 } | 422 } |
423 | 423 |
424 bool SVGLayoutSupport::isLayoutableTextNode(const LayoutObject* object) | 424 bool SVGLayoutSupport::isLayoutableTextNode(const LayoutObject* object) |
425 { | 425 { |
426 ASSERT(object->isText()); | 426 ASSERT(object->isText()); |
427 // <br> is marked as text, but is not handled by the SVG layout code-path. | 427 // <br> is marked as text, but is not handled by the SVG layout code-path. |
428 return object->isSVGInlineText() && !toLayoutSVGInlineText(object)->hasEmpty
Text(); | 428 return object->isSVGInlineText() && !toLayoutSVGInlineText(object)->hasEmpty
Text(); |
429 } | 429 } |
430 | 430 |
431 bool SVGLayoutSupport::willIsolateBlendingDescendantsForStyle(const LayoutStyle&
style) | 431 bool SVGLayoutSupport::willIsolateBlendingDescendantsForStyle(const ComputedStyl
e& style) |
432 { | 432 { |
433 const SVGLayoutStyle& svgStyle = style.svgStyle(); | 433 const SVGComputedStyle& svgStyle = style.svgStyle(); |
434 | 434 |
435 return style.hasIsolation() || style.opacity() < 1 || style.hasBlendMode() | 435 return style.hasIsolation() || style.opacity() < 1 || style.hasBlendMode() |
436 || svgStyle.hasFilter() || svgStyle.hasMasker() || svgStyle.hasClipper()
; | 436 || svgStyle.hasFilter() || svgStyle.hasMasker() || svgStyle.hasClipper()
; |
437 } | 437 } |
438 | 438 |
439 bool SVGLayoutSupport::willIsolateBlendingDescendantsForObject(const LayoutObjec
t* object) | 439 bool SVGLayoutSupport::willIsolateBlendingDescendantsForObject(const LayoutObjec
t* object) |
440 { | 440 { |
441 if (object->isSVGHiddenContainer()) | 441 if (object->isSVGHiddenContainer()) |
442 return false; | 442 return false; |
443 if (!object->isSVGRoot() && !object->isSVGContainer()) | 443 if (!object->isSVGRoot() && !object->isSVGContainer()) |
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504 | 504 |
505 layer = layer->parent(); | 505 layer = layer->parent(); |
506 } | 506 } |
507 | 507 |
508 ctm.scale(deviceScaleFactor); | 508 ctm.scale(deviceScaleFactor); |
509 | 509 |
510 return narrowPrecisionToFloat(sqrt((pow(ctm.xScale(), 2) + pow(ctm.yScale(),
2)) / 2)); | 510 return narrowPrecisionToFloat(sqrt((pow(ctm.xScale(), 2) + pow(ctm.yScale(),
2)) / 2)); |
511 } | 511 } |
512 | 512 |
513 } | 513 } |
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