当前位置: 首页>>代码示例>>C++>>正文


C++ LayoutBlock::localVisualRect方法代码示例

本文整理汇总了C++中LayoutBlock::localVisualRect方法的典型用法代码示例。如果您正苦于以下问题:C++ LayoutBlock::localVisualRect方法的具体用法?C++ LayoutBlock::localVisualRect怎么用?C++ LayoutBlock::localVisualRect使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在LayoutBlock的用法示例。


在下文中一共展示了LayoutBlock::localVisualRect方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: setBodyInnerHTML

TEST_F(VisualRectMappingTest, ContainerFlippedWritingMode) {
  setBodyInnerHTML(
      "<div id='container' style='writing-mode: vertical-rl; position: "
      "absolute; top: 111px; left: 222px'>"
      "    <div id='target' style='box-shadow: 40px 20px black; width: 100px; "
      "height: 90px'></div>"
      "    <div style='width: 100px; height: 100px'></div>"
      "</div>");

  LayoutBlock* target = toLayoutBlock(getLayoutObjectByElementId("target"));
  LayoutRect targetVisualRect = target->localVisualRect();
  // -40 = -box_shadow_offset_x(40) (with target's top-right corner as the
  // origin)
  // 140 = width(100) + box_shadow_offset_x(40)
  // 110 = height(90) + box_shadow_offset_y(20)
  EXPECT_EQ(LayoutRect(-40, 0, 140, 110), targetVisualRect);

  LayoutRect rect = targetVisualRect;
  target->flipForWritingMode(rect);
  EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(target, rect));
  // This rect is in physical coordinates of target.
  EXPECT_EQ(LayoutRect(0, 0, 140, 110), rect);

  LayoutBlock* container =
      toLayoutBlock(getLayoutObjectByElementId("container"));
  rect = targetVisualRect;
  target->flipForWritingMode(rect);
  EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(container, rect));
  // 100 is the physical x location of target in container.
  EXPECT_EQ(LayoutRect(100, 0, 140, 110), rect);
  rect = targetVisualRect;
  target->flipForWritingMode(rect);
  EXPECT_TRUE(target->mapToVisualRectInAncestorSpace(&layoutView(), rect));
  EXPECT_EQ(LayoutRect(322, 111, 140, 110), rect);
  checkPaintInvalidationStateRectMapping(rect, targetVisualRect, *target,
                                         layoutView(), layoutView());

  LayoutRect containerVisualRect = container->localVisualRect();
  EXPECT_EQ(LayoutRect(0, 0, 200, 100), containerVisualRect);
  rect = containerVisualRect;
  container->flipForWritingMode(rect);
  EXPECT_TRUE(container->mapToVisualRectInAncestorSpace(container, rect));
  EXPECT_EQ(LayoutRect(0, 0, 200, 100), rect);
  rect = containerVisualRect;
  container->flipForWritingMode(rect);
  EXPECT_TRUE(container->mapToVisualRectInAncestorSpace(&layoutView(), rect));
  EXPECT_EQ(LayoutRect(222, 111, 200, 100), rect);
  checkPaintInvalidationStateRectMapping(rect, containerVisualRect, *container,
                                         layoutView(), layoutView());
}
开发者ID:,项目名称:,代码行数:50,代码来源:

示例2: enableCompositing

TEST_F(VisualRectMappingTest,
       DifferentPaintInvalidaitionContainerForAbsolutePosition) {
  enableCompositing();
  document().frame()->settings()->setPreferCompositingToLCDTextEnabled(true);

  setBodyInnerHTML(
      "<div id='stacking-context' style='opacity: 0.9; background: blue; "
      "will-change: transform'>"
      "    <div id='scroller' style='overflow: scroll; width: 80px; height: "
      "80px'>"
      "        <div id='absolute' style='position: absolute; top: 111px; left: "
      "222px; width: 50px; height: 50px; background: green'></div>"
      "        <div id='normal-flow' style='width: 2000px; height: 2000px; "
      "background: yellow'></div>"
      "    </div>"
      "</div>");

  LayoutBlock* scroller = toLayoutBlock(getLayoutObjectByElementId("scroller"));
  scroller->setScrollTop(LayoutUnit(77));
  scroller->setScrollLeft(LayoutUnit(88));
  document().view()->updateAllLifecyclePhases();

  LayoutBlock* normalFlow =
      toLayoutBlock(getLayoutObjectByElementId("normal-flow"));
  EXPECT_EQ(scroller, &normalFlow->containerForPaintInvalidation());

  LayoutRect normalFlowVisualRect = normalFlow->localVisualRect();
  EXPECT_EQ(LayoutRect(0, 0, 2000, 2000), normalFlowVisualRect);
  LayoutRect rect = normalFlowVisualRect;
  EXPECT_TRUE(normalFlow->mapToVisualRectInAncestorSpace(scroller, rect));
  EXPECT_EQ(LayoutRect(0, 0, 2000, 2000), rect);
  checkPaintInvalidationStateRectMapping(rect, normalFlowVisualRect,
                                         *normalFlow, layoutView(), *scroller);

  LayoutBlock* stackingContext =
      toLayoutBlock(getLayoutObjectByElementId("stacking-context"));
  LayoutBlock* absolute = toLayoutBlock(getLayoutObjectByElementId("absolute"));
  EXPECT_EQ(stackingContext, &absolute->containerForPaintInvalidation());
  EXPECT_EQ(stackingContext, absolute->container());

  LayoutRect absoluteVisualRect = absolute->localVisualRect();
  EXPECT_EQ(LayoutRect(0, 0, 50, 50), absoluteVisualRect);
  rect = absoluteVisualRect;
  EXPECT_TRUE(absolute->mapToVisualRectInAncestorSpace(stackingContext, rect));
  EXPECT_EQ(LayoutRect(222, 111, 50, 50), rect);
  checkPaintInvalidationStateRectMapping(rect, absoluteVisualRect, *absolute,
                                         layoutView(), *stackingContext);
}
开发者ID:,项目名称:,代码行数:48,代码来源:


注:本文中的LayoutBlock::localVisualRect方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。