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1b3223dd9e
Using recording_painter() as a name is less misleading, indicating the painter in stacking context traversal doesn't perform actual painting commands.
125 lines
3.8 KiB
C++
125 lines
3.8 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(Painting::RecordingPainter& recording_painter, Palette const& palette, double device_pixels_per_css_pixel)
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: m_recording_painter(recording_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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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 round(css_pixels.to_double() * 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 ceil(css_pixels.to_double() * 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 floor(css_pixels.to_double() * 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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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 PaintContext::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 PaintContext::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 PaintContext::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 PaintContext::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 PaintContext::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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CSSPixels PaintContext::scale_to_css_pixels(DevicePixels device_pixels) const
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{
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return CSSPixels::nearest_value_for(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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CSSPixelSize PaintContext::scale_to_css_size(DevicePixelSize size) const
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{
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return {
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scale_to_css_pixels(size.width()),
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scale_to_css_pixels(size.height())
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};
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}
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CSSPixelRect PaintContext::scale_to_css_rect(DevicePixelRect rect) const
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{
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return {
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scale_to_css_point(rect.location()),
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scale_to_css_size(rect.size())
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};
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}
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}
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