mirror of
https://github.com/RGBCube/serenity
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72 lines
2.7 KiB
C++
72 lines
2.7 KiB
C++
/*
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* Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGfx/StylePainter.h>
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#include <LibWeb/HTML/HTMLImageElement.h>
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#include <LibWeb/Layout/ImageBox.h>
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#include <LibWeb/Painting/BorderRadiusCornerClipper.h>
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#include <LibWeb/Painting/ImagePaintable.h>
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namespace Web::Painting {
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NonnullRefPtr<ImagePaintable> ImagePaintable::create(Layout::ImageBox const& layout_box)
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{
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return adopt_ref(*new ImagePaintable(layout_box));
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}
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ImagePaintable::ImagePaintable(Layout::ImageBox const& layout_box)
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: PaintableBox(layout_box)
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{
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}
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Layout::ImageBox const& ImagePaintable::layout_box() const
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{
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return static_cast<Layout::ImageBox const&>(layout_node());
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}
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void ImagePaintable::paint(PaintContext& context, PaintPhase phase) const
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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(absolute_rect())))
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return;
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PaintableBox::paint(context, phase);
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if (phase == PaintPhase::Foreground) {
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if (layout_box().renders_as_alt_text()) {
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auto& image_element = verify_cast<HTML::HTMLImageElement>(*dom_node());
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context.painter().set_font(Gfx::FontDatabase::default_font());
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Gfx::StylePainter::paint_frame(context.painter(), enclosing_int_rect(absolute_rect()), context.palette(), Gfx::FrameShape::Container, Gfx::FrameShadow::Sunken, 2);
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auto alt = image_element.alt();
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if (alt.is_empty())
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alt = image_element.src();
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context.painter().draw_text(enclosing_int_rect(absolute_rect()), alt, Gfx::TextAlignment::Center, computed_values().color(), Gfx::TextElision::Right);
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} else if (auto bitmap = layout_box().image_loader().bitmap(layout_box().image_loader().current_frame_index())) {
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auto image_rect = absolute_rect().to_rounded<int>();
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auto border_radii_data = normalized_border_radii_data();
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Optional<BorderRadiusCornerClipper> corner_clipper;
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if (border_radii_data.has_any_radius()) {
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auto clipper = BorderRadiusCornerClipper::create(image_rect, border_radii_data);
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if (!clipper.is_error())
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corner_clipper = clipper.release_value();
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}
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if (corner_clipper.has_value())
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corner_clipper->sample_under_corners(context.painter());
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context.painter().draw_scaled_bitmap(image_rect, *bitmap, bitmap->rect(), 1.0f, to_gfx_scaling_mode(computed_values().image_rendering()));
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if (corner_clipper.has_value())
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corner_clipper->blit_corner_clipping(context.painter());
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}
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}
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}
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}
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