mirror of
https://github.com/RGBCube/serenity
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119 lines
3.5 KiB
C++
119 lines
3.5 KiB
C++
/*
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* Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, Sam Atkins <atkinssj@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 <LibWeb/Painting/PaintContext.h>
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namespace Web {
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PaintContext::PaintContext(Gfx::Painter& painter, Palette const& palette, float device_pixels_per_css_pixel)
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: m_painter(painter)
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, m_palette(palette)
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, m_device_pixels_per_css_pixel(device_pixels_per_css_pixel)
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{
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}
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SVGContext& PaintContext::svg_context()
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{
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// FIXME: This is a total hack to avoid crashing on content that has SVG elements embedded directly in HTML without an <svg> element.
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if (!m_svg_context.has_value())
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m_svg_context = SVGContext { {} };
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return m_svg_context.value();
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}
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void PaintContext::set_svg_context(SVGContext context)
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{
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m_svg_context = move(context);
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}
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void PaintContext::clear_svg_context()
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{
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m_svg_context.clear();
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}
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CSSPixelRect PaintContext::css_viewport_rect() const
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{
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return {
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m_device_viewport_rect.x().value() / m_device_pixels_per_css_pixel,
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m_device_viewport_rect.y().value() / m_device_pixels_per_css_pixel,
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m_device_viewport_rect.width().value() / m_device_pixels_per_css_pixel,
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m_device_viewport_rect.height().value() / m_device_pixels_per_css_pixel
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};
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}
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DevicePixels PaintContext::rounded_device_pixels(CSSPixels css_pixels) const
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{
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return roundf(css_pixels.value() * m_device_pixels_per_css_pixel);
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}
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DevicePixels PaintContext::enclosing_device_pixels(CSSPixels css_pixels) const
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{
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return ceilf(css_pixels.value() * m_device_pixels_per_css_pixel);
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}
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DevicePixels PaintContext::floored_device_pixels(CSSPixels css_pixels) const
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{
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return floorf(css_pixels.value() * m_device_pixels_per_css_pixel);
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}
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DevicePixelPoint PaintContext::rounded_device_point(CSSPixelPoint point) const
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{
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return {
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roundf(point.x().value() * m_device_pixels_per_css_pixel),
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roundf(point.y().value() * m_device_pixels_per_css_pixel)
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};
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}
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DevicePixelRect PaintContext::enclosing_device_rect(CSSPixelRect rect) const
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{
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return {
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floorf(rect.x().value() * m_device_pixels_per_css_pixel),
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floorf(rect.y().value() * m_device_pixels_per_css_pixel),
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ceilf(rect.width().value() * m_device_pixels_per_css_pixel),
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ceilf(rect.height().value() * m_device_pixels_per_css_pixel)
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};
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}
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DevicePixelRect PaintContext::rounded_device_rect(CSSPixelRect rect) const
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{
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return {
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roundf(rect.x().value() * m_device_pixels_per_css_pixel),
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roundf(rect.y().value() * m_device_pixels_per_css_pixel),
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roundf(rect.width().value() * m_device_pixels_per_css_pixel),
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roundf(rect.height().value() * m_device_pixels_per_css_pixel)
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};
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}
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DevicePixelSize PaintContext::enclosing_device_size(CSSPixelSize size) const
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{
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return {
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ceilf(size.width().value() * m_device_pixels_per_css_pixel),
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ceilf(size.height().value() * m_device_pixels_per_css_pixel)
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};
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}
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DevicePixelSize PaintContext::rounded_device_size(CSSPixelSize size) const
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{
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return {
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roundf(size.width().value() * m_device_pixels_per_css_pixel),
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roundf(size.height().value() * m_device_pixels_per_css_pixel)
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};
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}
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CSSPixels PaintContext::scale_to_css_pixels(DevicePixels device_pixels) const
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{
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return device_pixels.value() / m_device_pixels_per_css_pixel;
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}
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CSSPixelPoint PaintContext::scale_to_css_point(DevicePixelPoint point) const
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{
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return {
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scale_to_css_pixels(point.x()),
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scale_to_css_pixels(point.y())
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};
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}
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}
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