DisplayBoxPainter.cpp [plain text]
#include "config.h"
#include "DisplayBoxPainter.h"
#if ENABLE(LAYOUT_FORMATTING_CONTEXT)
#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());
auto baseline = textRect.y() + style.fontMetrics().ascent();
auto expansion = textBox.expansion();
auto textRun = TextRun { textBox.text().content().substring(textBox.text().start(), textBox.text().length()), 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();
if (!dirtyRect.intersects(enclosingIntRect(absoluteRect)))
return;
if (is<BoxModelBox>(box))
paintBoxDecorations(downcast<BoxModelBox>(box), paintingContext);
paintBoxContent(box, paintingContext);
}
} }
#endif // ENABLE(LAYOUT_FORMATTING_CONTEXT)