/* * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "RenderHTMLCanvas.h" #include "Document.h" #include "GraphicsContext.h" #include "HTMLCanvasElement.h" #include "HTMLNames.h" #include "RenderView.h" namespace WebCore { using namespace HTMLNames; RenderHTMLCanvas::RenderHTMLCanvas(HTMLCanvasElement* element) : RenderReplaced(element, element->size()) { } void RenderHTMLCanvas::paint(PaintInfo& paintInfo, int tx, int ty) { if (!shouldPaint(paintInfo, tx, ty)) return; int x = tx + m_x; int y = ty + m_y; if (hasBoxDecorations() && (paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection)) paintBoxDecorations(paintInfo, x, y); if ((paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline) && style()->outlineWidth() && style()->visibility() == VISIBLE) paintOutline(paintInfo.context, x, y, width(), height(), style()); if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection) return; if (!shouldPaintWithinRoot(paintInfo)) return; bool drawSelectionTint = selectionState() != SelectionNone && !document()->printing(); if (paintInfo.phase == PaintPhaseSelection) { if (selectionState() == SelectionNone) return; drawSelectionTint = false; } static_cast(node())->paint(paintInfo.context, IntRect(x + borderLeft() + paddingLeft(), y + borderTop() + paddingTop(), contentWidth(), contentHeight())); if (drawSelectionTint) paintInfo.context->fillRect(selectionRect(), selectionBackgroundColor()); } void RenderHTMLCanvas::layout() { ASSERT(needsLayout()); IntRect oldBounds; IntRect oldOutlineBox; bool checkForRepaint = checkForRepaintDuringLayout(); if (checkForRepaint) { oldBounds = absoluteClippedOverflowRect(); oldOutlineBox = absoluteOutlineBox(); } calcWidth(); calcHeight(); adjustOverflowForBoxShadow(); if (checkForRepaint) repaintAfterLayoutIfNeeded(oldBounds, oldOutlineBox); setNeedsLayout(false); } void RenderHTMLCanvas::canvasSizeChanged() { IntSize size = static_cast(node())->size(); if (size == intrinsicSize()) return; setIntrinsicSize(size); if (!prefWidthsDirty()) setPrefWidthsDirty(true); IntSize oldSize = IntSize(m_width, m_height); calcWidth(); calcHeight(); if (oldSize == IntSize(m_width, m_height)) return; if (!selfNeedsLayout()) setNeedsLayout(true); } } // namespace WebCore