59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
#include <LibDraw/Font.h>
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#include <LibDraw/StylePainter.h>
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#include <LibGUI/GPainter.h>
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#include <LibHTML/Layout/LayoutImage.h>
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LayoutImage::LayoutImage(const HTMLImageElement& element, NonnullRefPtr<StyleProperties> style)
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: LayoutReplaced(element, move(style))
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{
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}
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LayoutImage::~LayoutImage()
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{
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}
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void LayoutImage::layout()
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{
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if (node().preferred_width() && node().preferred_height()) {
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rect().set_width(node().preferred_width());
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rect().set_height(node().preferred_height());
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} else if (renders_as_alt_text()) {
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auto& font = Font::default_font();
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auto alt = node().alt();
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if (alt.is_empty())
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alt = node().src();
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rect().set_width(font.width(alt) + 16);
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rect().set_height(font.glyph_height() + 16);
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} else {
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rect().set_width(16);
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rect().set_height(16);
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}
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LayoutReplaced::layout();
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}
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void LayoutImage::render(RenderingContext& context)
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{
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if (!is_visible())
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return;
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// FIXME: This should be done at a different level. Also rect() does not include padding etc!
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if (!context.viewport_rect().intersects(enclosing_int_rect(rect())))
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return;
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if (renders_as_alt_text()) {
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context.painter().set_font(Font::default_font());
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StylePainter::paint_frame(context.painter(), enclosing_int_rect(rect()), FrameShape::Container, FrameShadow::Sunken, 2);
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auto alt = node().alt();
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if (alt.is_empty())
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alt = node().src();
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context.painter().draw_text(enclosing_int_rect(rect()), alt, TextAlignment::Center, style().color_or_fallback(CSS::PropertyID::Color, document(), Color::Black), TextElision::Right);
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} else if (node().bitmap())
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context.painter().draw_scaled_bitmap(enclosing_int_rect(rect()), *node().bitmap(), node().bitmap()->rect());
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LayoutReplaced::render(context);
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}
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bool LayoutImage::renders_as_alt_text() const
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{
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return !node().image_decoder();
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}
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