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https://github.com/RGBCube/serenity
synced 2025-05-18 22:15:08 +00:00
4507920187
This fixes the Serenity logo vanishing after scrolling on the 4th birthday post. The previous check did not account for any translation in the painter. This now uses the painter's clip rect and translation to work out if a rect is visible. It also makes use of `absolute_paint_rect()` rather than `absolute_rect()` which can account for things like box-shadows.
59 lines
2.2 KiB
C++
59 lines
2.2 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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#include <LibWeb/Platform/FontPlugin.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.
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if (is_out_of_view(context))
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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(Platform::FontPlugin::the().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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ScopedCornerRadiusClip corner_clip { context.painter(), image_rect, normalized_border_radii_data(ShrinkRadiiForBorders::Yes) };
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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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}
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}
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}
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}
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