C++ (Cpp) RenderBlock::firstLineBox Examples

Example #1

File: SVGTextQuery.cpp Project: huningxin/blink-crosswalk

static inline InlineFlowBox* flowBoxForRenderer(RenderObject* renderer)
{
    if (!renderer)
        return 0;

    if (renderer->isRenderBlock()) {
        // If we're given a block element, it has to be a RenderSVGText.
        ASSERT(renderer->isSVGText());
        RenderBlock* renderBlock = toRenderBlock(renderer);

        // RenderSVGText only ever contains a single line box.
        InlineFlowBox* flowBox = renderBlock->firstLineBox();
        ASSERT(flowBox == renderBlock->lastLineBox());
        return flowBox;
    }

    if (renderer->isRenderInline()) {
        // We're given a RenderSVGInline or objects that derive from it (RenderSVGTSpan / RenderSVGTextPath)
        RenderInline* renderInline = toRenderInline(renderer);

        // RenderSVGInline only ever contains a single line box.
        InlineFlowBox* flowBox = renderInline->firstLineBox();
        ASSERT(flowBox == renderInline->lastLineBox());
        return flowBox;
    }

    ASSERT_NOT_REACHED();
    return 0;
}