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/*
* Copyright (C) 2020 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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 "DisplayBoxPainter.h"
#include "CachedImage.h"
#include "Color.h"
#include "DisplayBoxDecorationData.h"
#include "DisplayBoxDecorationPainter.h"
#include "DisplayContainerBox.h"
#include "DisplayFillLayerImageGeometry.h"
#include "DisplayImageBox.h"
#include "DisplayPaintingContext.h"
#include "DisplayStyle.h"
#include "DisplayTextBox.h"
#include "DisplayTree.h"
#include "GraphicsContext.h"
#include "IntRect.h"
#include "LayoutPoint.h"
#include "TextRun.h"
namespace WebCore {
namespace Display {
void BoxPainter::paintBoxDecorations(const BoxModelBox& box, PaintingContext& paintingContext)
{
BoxDecorationPainter painter(box, paintingContext);
painter.paintBackgroundAndBorders(paintingContext);
}
void BoxPainter::paintBoxContent(const Box& box, PaintingContext& paintingContext)
{
if (is<ImageBox>(box)) {
auto& imageBox = downcast<ImageBox>(box);
auto* image = imageBox.image();
auto imageRect = imageBox.replacedContentRect();
if (image)
paintingContext.context.drawImage(*image, imageRect);
return;
}
if (is<TextBox>(box)) {
auto& textBox = downcast<TextBox>(box);
auto& style = box.style();
auto textRect = box.absoluteBoxRect();
paintingContext.context.setStrokeColor(style.color());
paintingContext.context.setFillColor(style.color());
// FIXME: Add non-baseline align painting
auto baseline = textRect.y() + style.metricsOfPrimaryFont().ascent();
auto expansion = textBox.expansion();
auto textRun = TextRun { textBox.text().originalContent(), textRect.x(), expansion.horizontalExpansion, expansion.behavior };
textRun.setTabSize(!style.collapseWhiteSpace(), style.tabSize());
paintingContext.context.drawText(style.fontCascade(), textRun, { textRect.x(), baseline });
return;
}
}
void BoxPainter::paintBox(const Box& box, PaintingContext& paintingContext, const IntRect& dirtyRect)
{
auto absoluteRect = box.absoluteBoxRect();
// FIXME: Need to account for visual overflow.
if (!dirtyRect.intersects(enclosingIntRect(absoluteRect)))
return;
if (is<BoxModelBox>(box))
paintBoxDecorations(downcast<BoxModelBox>(box), paintingContext);
paintBoxContent(box, paintingContext);
}
} // namespace Display
} // namespace WebCore
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