| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "core/paint/FieldsetPainter.h" |
| |
| #include "core/layout/LayoutFieldset.h" |
| #include "core/paint/BoxDecorationData.h" |
| #include "core/paint/BoxPainter.h" |
| #include "core/paint/LayoutObjectDrawingRecorder.h" |
| #include "core/paint/PaintInfo.h" |
| #include "platform/graphics/GraphicsContextStateSaver.h" |
| |
| namespace blink { |
| |
| void FieldsetPainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, const LayoutPoint& paintOffset) |
| { |
| LayoutRect paintRect(paintOffset, m_layoutFieldset.size()); |
| LayoutBox* legend = m_layoutFieldset.findInFlowLegend(); |
| if (!legend) |
| return BoxPainter(m_layoutFieldset).paintBoxDecorationBackground(paintInfo, paintOffset); |
| |
| if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(paintInfo.context, m_layoutFieldset, paintInfo.phase)) |
| return; |
| |
| // FIXME: We need to work with "rl" and "bt" block flow directions. In those |
| // cases the legend is embedded in the right and bottom borders respectively. |
| // https://bugs.webkit.org/show_bug.cgi?id=47236 |
| if (m_layoutFieldset.style()->isHorizontalWritingMode()) { |
| LayoutUnit yOff = (legend->location().y() > 0) ? LayoutUnit() : (legend->size().height() - m_layoutFieldset.borderTop()) / 2; |
| paintRect.setHeight(paintRect.height() - yOff); |
| paintRect.setY(paintRect.y() + yOff); |
| } else { |
| LayoutUnit xOff = (legend->location().x() > 0) ? LayoutUnit() : (legend->size().width() - m_layoutFieldset.borderLeft()) / 2; |
| paintRect.setWidth(paintRect.width() - xOff); |
| paintRect.setX(paintRect.x() + xOff); |
| } |
| |
| LayoutObjectDrawingRecorder recorder(paintInfo.context, m_layoutFieldset, paintInfo.phase, paintRect); |
| BoxDecorationData boxDecorationData(m_layoutFieldset); |
| |
| if (boxDecorationData.bleedAvoidance == BackgroundBleedNone) |
| BoxPainter::paintBoxShadow(paintInfo, paintRect, m_layoutFieldset.styleRef(), Normal); |
| BoxPainter(m_layoutFieldset).paintFillLayers(paintInfo, boxDecorationData.backgroundColor, m_layoutFieldset.style()->backgroundLayers(), paintRect); |
| BoxPainter::paintBoxShadow(paintInfo, paintRect, m_layoutFieldset.styleRef(), Inset); |
| |
| if (!boxDecorationData.hasBorderDecoration) |
| return; |
| |
| // Create a clipping region around the legend and paint the border as normal |
| GraphicsContext& graphicsContext = paintInfo.context; |
| GraphicsContextStateSaver stateSaver(graphicsContext); |
| |
| // FIXME: We need to work with "rl" and "bt" block flow directions. In those |
| // cases the legend is embedded in the right and bottom borders respectively. |
| // https://bugs.webkit.org/show_bug.cgi?id=47236 |
| if (m_layoutFieldset.style()->isHorizontalWritingMode()) { |
| LayoutUnit clipTop = paintRect.y(); |
| LayoutUnit clipHeight = max(static_cast<LayoutUnit>(m_layoutFieldset.style()->borderTopWidth()), legend->size().height() - ((legend->size().height() - m_layoutFieldset.borderTop()) / 2)); |
| graphicsContext.clipOut(pixelSnappedIntRect(paintRect.x() + legend->location().x(), clipTop, legend->size().width(), clipHeight)); |
| } else { |
| LayoutUnit clipLeft = paintRect.x(); |
| LayoutUnit clipWidth = max(static_cast<LayoutUnit>(m_layoutFieldset.style()->borderLeftWidth()), legend->size().width()); |
| graphicsContext.clipOut(pixelSnappedIntRect(clipLeft, paintRect.y() + legend->location().y(), clipWidth, legend->size().height())); |
| } |
| |
| BoxPainter::paintBorder(m_layoutFieldset, paintInfo, paintRect, m_layoutFieldset.styleRef()); |
| } |
| |
| void FieldsetPainter::paintMask(const PaintInfo& paintInfo, const LayoutPoint& paintOffset) |
| { |
| if (m_layoutFieldset.style()->visibility() != EVisibility::Visible || paintInfo.phase != PaintPhaseMask) |
| return; |
| |
| LayoutRect paintRect = LayoutRect(paintOffset, m_layoutFieldset.size()); |
| LayoutBox* legend = m_layoutFieldset.findInFlowLegend(); |
| if (!legend) |
| return BoxPainter(m_layoutFieldset).paintMask(paintInfo, paintOffset); |
| |
| if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(paintInfo.context, m_layoutFieldset, paintInfo.phase)) |
| return; |
| |
| // FIXME: We need to work with "rl" and "bt" block flow directions. In those |
| // cases the legend is embedded in the right and bottom borders respectively. |
| // https://bugs.webkit.org/show_bug.cgi?id=47236 |
| if (m_layoutFieldset.style()->isHorizontalWritingMode()) { |
| LayoutUnit yOff = (legend->location().y() > LayoutUnit()) ? LayoutUnit() : (legend->size().height() - m_layoutFieldset.borderTop()) / 2; |
| paintRect.expand(LayoutUnit(), -yOff); |
| paintRect.move(LayoutUnit(), yOff); |
| } else { |
| LayoutUnit xOff = (legend->location().x() > LayoutUnit()) ? LayoutUnit() : (legend->size().width() - m_layoutFieldset.borderLeft()) / 2; |
| paintRect.expand(-xOff, LayoutUnit()); |
| paintRect.move(xOff, LayoutUnit()); |
| } |
| |
| LayoutObjectDrawingRecorder recorder(paintInfo.context, m_layoutFieldset, paintInfo.phase, paintRect); |
| BoxPainter(m_layoutFieldset).paintMaskImages(paintInfo, paintRect); |
| } |
| |
| } // namespace blink |