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| 1 /* | 1 /* |
| 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| 4 * (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com) | 4 * (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com) |
| 5 * (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com) | 5 * (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com) |
| 6 * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. | 6 * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
| 7 * Copyright (C) 2010 Google Inc. All rights reserved. | 7 * Copyright (C) 2010 Google Inc. 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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| 549 | 549 |
| 550 // When printing backgrounds is disabled or using economy mode, | 550 // When printing backgrounds is disabled or using economy mode, |
| 551 // change existing background colors and images to a solid white background. | 551 // change existing background colors and images to a solid white background. |
| 552 // If there's no bg color or image, leave it untouched to avoid affecting tr
ansparency. | 552 // If there's no bg color or image, leave it untouched to avoid affecting tr
ansparency. |
| 553 // We don't try to avoid loading the background images, because this style f
lag is only set | 553 // We don't try to avoid loading the background images, because this style f
lag is only set |
| 554 // when printing, and at that point we've already loaded the background imag
es anyway. (To avoid | 554 // when printing, and at that point we've already loaded the background imag
es anyway. (To avoid |
| 555 // loading the background images we'd have to do this check when applying st
yles rather than | 555 // loading the background images we'd have to do this check when applying st
yles rather than |
| 556 // while rendering.) | 556 // while rendering.) |
| 557 if (forceBackgroundToWhite) { | 557 if (forceBackgroundToWhite) { |
| 558 // Note that we can't reuse this variable below because the bgColor migh
t be changed | 558 // Note that we can't reuse this variable below because the bgColor migh
t be changed |
| 559 bool shouldPaintBackgroundColor = !bgLayer->next() && bgColor.isValid()
&& bgColor.alpha(); | 559 bool shouldPaintBackgroundColor = !bgLayer->next() && bgColor.alpha(); |
| 560 if (shouldPaintBackgroundImage || shouldPaintBackgroundColor) { | 560 if (shouldPaintBackgroundImage || shouldPaintBackgroundColor) { |
| 561 bgColor = Color::white; | 561 bgColor = Color::white; |
| 562 shouldPaintBackgroundImage = false; | 562 shouldPaintBackgroundImage = false; |
| 563 } | 563 } |
| 564 } | 564 } |
| 565 | 565 |
| 566 bool colorVisible = bgColor.isValid() && bgColor.alpha(); | 566 bool colorVisible = bgColor.alpha(); |
| 567 | 567 |
| 568 // Fast path for drawing simple color backgrounds. | 568 // Fast path for drawing simple color backgrounds. |
| 569 if (!isRoot && !clippedWithLocalScrolling && !shouldPaintBackgroundImage &&
isBorderFill && !bgLayer->next()) { | 569 if (!isRoot && !clippedWithLocalScrolling && !shouldPaintBackgroundImage &&
isBorderFill && !bgLayer->next()) { |
| 570 if (!colorVisible) | 570 if (!colorVisible) |
| 571 return; | 571 return; |
| 572 | 572 |
| 573 bool boxShadowShouldBeAppliedToBackground = this->boxShadowShouldBeAppli
edToBackground(bleedAvoidance, box); | 573 bool boxShadowShouldBeAppliedToBackground = this->boxShadowShouldBeAppli
edToBackground(bleedAvoidance, box); |
| 574 GraphicsContextStateSaver shadowStateSaver(*context, boxShadowShouldBeAp
pliedToBackground); | 574 GraphicsContextStateSaver shadowStateSaver(*context, boxShadowShouldBeAp
pliedToBackground); |
| 575 if (boxShadowShouldBeAppliedToBackground) | 575 if (boxShadowShouldBeAppliedToBackground) |
| 576 applyBoxShadowForBackground(context, this); | 576 applyBoxShadowForBackground(context, this); |
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| 666 default: | 666 default: |
| 667 ASSERT_NOT_REACHED(); | 667 ASSERT_NOT_REACHED(); |
| 668 break; | 668 break; |
| 669 } | 669 } |
| 670 | 670 |
| 671 // Only fill with a base color (e.g., white) if we're the root document, sin
ce iframes/frames with | 671 // Only fill with a base color (e.g., white) if we're the root document, sin
ce iframes/frames with |
| 672 // no background in the child document should show the parent's background. | 672 // no background in the child document should show the parent's background. |
| 673 bool isOpaqueRoot = false; | 673 bool isOpaqueRoot = false; |
| 674 if (isRoot) { | 674 if (isRoot) { |
| 675 isOpaqueRoot = true; | 675 isOpaqueRoot = true; |
| 676 if (!bgLayer->next() && !(bgColor.isValid() && bgColor.alpha() == 255) &
& view()->frameView()) { | 676 if (!bgLayer->next() && !(bgColor.alpha() == 255) && view()->frameView()
) { |
| 677 Element* ownerElement = document()->ownerElement(); | 677 Element* ownerElement = document()->ownerElement(); |
| 678 if (ownerElement) { | 678 if (ownerElement) { |
| 679 if (!ownerElement->hasTagName(frameTag)) { | 679 if (!ownerElement->hasTagName(frameTag)) { |
| 680 // Locate the <body> element using the DOM. This is easier
than trying | 680 // Locate the <body> element using the DOM. This is easier
than trying |
| 681 // to crawl around a render tree with potential :before/:aft
er content and | 681 // to crawl around a render tree with potential :before/:aft
er content and |
| 682 // anonymous blocks created by inline <body> tags etc. We c
an locate the <body> | 682 // anonymous blocks created by inline <body> tags etc. We c
an locate the <body> |
| 683 // render object very easily via the DOM. | 683 // render object very easily via the DOM. |
| 684 HTMLElement* body = document()->body(); | 684 HTMLElement* body = document()->body(); |
| 685 if (body) { | 685 if (body) { |
| 686 // Can't scroll a frameset document anyway. | 686 // Can't scroll a frameset document anyway. |
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| 2368 hasOneNormalBoxShadow = true; | 2368 hasOneNormalBoxShadow = true; |
| 2369 | 2369 |
| 2370 if (currentShadow->spread()) | 2370 if (currentShadow->spread()) |
| 2371 return false; | 2371 return false; |
| 2372 } | 2372 } |
| 2373 | 2373 |
| 2374 if (!hasOneNormalBoxShadow) | 2374 if (!hasOneNormalBoxShadow) |
| 2375 return false; | 2375 return false; |
| 2376 | 2376 |
| 2377 Color backgroundColor = resolveColor(CSSPropertyBackgroundColor); | 2377 Color backgroundColor = resolveColor(CSSPropertyBackgroundColor); |
| 2378 if (!backgroundColor.isValid() || backgroundColor.hasAlpha()) | 2378 if (backgroundColor.hasAlpha()) |
| 2379 return false; | 2379 return false; |
| 2380 | 2380 |
| 2381 const FillLayer* lastBackgroundLayer = style()->backgroundLayers(); | 2381 const FillLayer* lastBackgroundLayer = style()->backgroundLayers(); |
| 2382 for (const FillLayer* next = lastBackgroundLayer->next(); next; next = lastB
ackgroundLayer->next()) | 2382 for (const FillLayer* next = lastBackgroundLayer->next(); next; next = lastB
ackgroundLayer->next()) |
| 2383 lastBackgroundLayer = next; | 2383 lastBackgroundLayer = next; |
| 2384 | 2384 |
| 2385 if (lastBackgroundLayer->clip() != BorderFillBox) | 2385 if (lastBackgroundLayer->clip() != BorderFillBox) |
| 2386 return false; | 2386 return false; |
| 2387 | 2387 |
| 2388 if (lastBackgroundLayer->image() && style()->hasBorderRadius()) | 2388 if (lastBackgroundLayer->image() && style()->hasBorderRadius()) |
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| 2429 if (shadow->style() != shadowStyle) | 2429 if (shadow->style() != shadowStyle) |
| 2430 continue; | 2430 continue; |
| 2431 | 2431 |
| 2432 IntSize shadowOffset(shadow->x(), shadow->y()); | 2432 IntSize shadowOffset(shadow->x(), shadow->y()); |
| 2433 int shadowBlur = shadow->blur(); | 2433 int shadowBlur = shadow->blur(); |
| 2434 int shadowSpread = shadow->spread(); | 2434 int shadowSpread = shadow->spread(); |
| 2435 | 2435 |
| 2436 if (shadowOffset.isZero() && !shadowBlur && !shadowSpread) | 2436 if (shadowOffset.isZero() && !shadowBlur && !shadowSpread) |
| 2437 continue; | 2437 continue; |
| 2438 | 2438 |
| 2439 const Color& shadowColor = resolveColor(shadow->color()); | 2439 const Color& shadowColor = resolveColor(shadow->color(), Color::stdShado
wColor); |
| 2440 | 2440 |
| 2441 if (shadow->style() == Normal) { | 2441 if (shadow->style() == Normal) { |
| 2442 RoundedRect fillRect = border; | 2442 RoundedRect fillRect = border; |
| 2443 fillRect.inflate(shadowSpread); | 2443 fillRect.inflate(shadowSpread); |
| 2444 if (fillRect.isEmpty()) | 2444 if (fillRect.isEmpty()) |
| 2445 continue; | 2445 continue; |
| 2446 | 2446 |
| 2447 IntRect shadowRect(border.rect()); | 2447 IntRect shadowRect(border.rect()); |
| 2448 shadowRect.inflate(shadowBlur + shadowSpread); | 2448 shadowRect.inflate(shadowBlur + shadowSpread); |
| 2449 shadowRect.move(shadowOffset); | 2449 shadowRect.move(shadowOffset); |
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| 2754 ASSERT(!beforeChild || toBoxModelObject == beforeChild->parent()); | 2754 ASSERT(!beforeChild || toBoxModelObject == beforeChild->parent()); |
| 2755 for (RenderObject* child = startChild; child && child != endChild; ) { | 2755 for (RenderObject* child = startChild; child && child != endChild; ) { |
| 2756 // Save our next sibling as moveChildTo will clear it. | 2756 // Save our next sibling as moveChildTo will clear it. |
| 2757 RenderObject* nextSibling = child->nextSibling(); | 2757 RenderObject* nextSibling = child->nextSibling(); |
| 2758 moveChildTo(toBoxModelObject, child, beforeChild, fullRemoveInsert); | 2758 moveChildTo(toBoxModelObject, child, beforeChild, fullRemoveInsert); |
| 2759 child = nextSibling; | 2759 child = nextSibling; |
| 2760 } | 2760 } |
| 2761 } | 2761 } |
| 2762 | 2762 |
| 2763 } // namespace WebCore | 2763 } // namespace WebCore |
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Chromium Code Reviews
Issue 20061003:
Move isValid/isCurrentColor from Color to StyleColor (Closed)
Base URL: svn://svn.chromium.org/blink/trunk