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7e333cdcf7
In the upcoming change, device pixel conversion of ClipFrame will happen during display list replay, where PaintContext is not available, so let’s move it out of PaintContext.
96 lines
2.9 KiB
C++
96 lines
2.9 KiB
C++
/*
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* Copyright (c) 2018-2022, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
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* Copyright (c) 2025, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/Forward.h>
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#include <LibWeb/PixelUnits.h>
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namespace Web::Painting {
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class DevicePixelConverter {
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public:
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DevicePixels rounded_device_pixels(CSSPixels css_pixels) const
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{
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return round(css_pixels.to_double() * m_device_pixels_per_css_pixel);
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}
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DevicePixels enclosing_device_pixels(CSSPixels css_pixels) const
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{
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return ceil(css_pixels.to_double() * m_device_pixels_per_css_pixel);
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}
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DevicePixels floored_device_pixels(CSSPixels css_pixels) const
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{
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return floor(css_pixels.to_double() * m_device_pixels_per_css_pixel);
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}
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DevicePixelPoint rounded_device_point(CSSPixelPoint point) const
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{
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return {
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round(point.x().to_double() * m_device_pixels_per_css_pixel),
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round(point.y().to_double() * m_device_pixels_per_css_pixel)
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};
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}
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DevicePixelPoint floored_device_point(CSSPixelPoint point) const
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{
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return {
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floor(point.x().to_double() * m_device_pixels_per_css_pixel),
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floor(point.y().to_double() * m_device_pixels_per_css_pixel)
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};
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}
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DevicePixelRect enclosing_device_rect(CSSPixelRect rect) const
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{
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return {
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floor(rect.x().to_double() * m_device_pixels_per_css_pixel),
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floor(rect.y().to_double() * m_device_pixels_per_css_pixel),
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ceil(rect.width().to_double() * m_device_pixels_per_css_pixel),
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ceil(rect.height().to_double() * m_device_pixels_per_css_pixel)
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};
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}
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DevicePixelRect rounded_device_rect(CSSPixelRect rect) const
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{
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return {
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round(rect.x().to_double() * m_device_pixels_per_css_pixel),
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round(rect.y().to_double() * m_device_pixels_per_css_pixel),
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round(rect.width().to_double() * m_device_pixels_per_css_pixel),
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round(rect.height().to_double() * m_device_pixels_per_css_pixel)
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};
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}
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DevicePixelSize enclosing_device_size(CSSPixelSize size) const
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{
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return {
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ceil(size.width().to_double() * m_device_pixels_per_css_pixel),
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ceil(size.height().to_double() * m_device_pixels_per_css_pixel)
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};
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}
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DevicePixelSize rounded_device_size(CSSPixelSize size) const
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{
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return {
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round(size.width().to_double() * m_device_pixels_per_css_pixel),
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round(size.height().to_double() * m_device_pixels_per_css_pixel)
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};
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}
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double device_pixels_per_css_pixel() const { return m_device_pixels_per_css_pixel; }
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DevicePixelConverter(double device_pixels_per_css_pixel)
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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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private:
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double m_device_pixels_per_css_pixel { 0 };
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};
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}
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