6d1a9672a4
This patch adds support for "crisp-edges", "high-quality" and "smooth" for the CSS image-rendering property. "crisp-edges" maps to nearest-neighbor scaling for <canvas> and <img> elements, while "high-quality" and "smooth" both use bilinear blending.
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
/*
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* Copyright (c) 2020, 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/Painter.h>
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#include <LibWeb/Layout/CanvasBox.h>
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namespace Web::Layout {
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CanvasBox::CanvasBox(DOM::Document& document, HTML::HTMLCanvasElement& element, NonnullRefPtr<CSS::StyleProperties> style)
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: ReplacedBox(document, element, move(style))
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{
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}
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CanvasBox::~CanvasBox()
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{
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}
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void CanvasBox::prepare_for_replaced_layout()
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{
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set_intrinsic_width(dom_node().width());
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set_intrinsic_height(dom_node().height());
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}
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void CanvasBox::paint(PaintContext& context, PaintPhase phase)
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{
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if (!is_visible())
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return;
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ReplacedBox::paint(context, phase);
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if (phase == PaintPhase::Foreground) {
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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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if (dom_node().bitmap())
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context.painter().draw_scaled_bitmap(rounded_int_rect(absolute_rect()), *dom_node().bitmap(), dom_node().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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