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/*
* Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGfx/Painter.h>
#include <LibWeb/Painting/PaintContext.h>
namespace Web {
PaintContext::PaintContext(Gfx::Painter& painter, Palette const& palette, double device_pixels_per_css_pixel)
: m_painter(painter)
, m_palette(palette)
, m_device_pixels_per_css_pixel(device_pixels_per_css_pixel)
{
}
SVGContext& PaintContext::svg_context()
{
// FIXME: This is a total hack to avoid crashing on content that has SVG elements embedded directly in HTML without an <svg> element.
if (!m_svg_context.has_value())
m_svg_context = SVGContext { {} };
return m_svg_context.value();
}
void PaintContext::set_svg_context(SVGContext context)
{
m_svg_context = move(context);
}
void PaintContext::clear_svg_context()
{
m_svg_context.clear();
}
CSSPixelRect PaintContext::css_viewport_rect() const
{
return {
m_device_viewport_rect.x().value() / m_device_pixels_per_css_pixel,
m_device_viewport_rect.y().value() / m_device_pixels_per_css_pixel,
m_device_viewport_rect.width().value() / m_device_pixels_per_css_pixel,
m_device_viewport_rect.height().value() / m_device_pixels_per_css_pixel
};
}
DevicePixels PaintContext::rounded_device_pixels(CSSPixels css_pixels) const
{
return roundf(css_pixels.value() * m_device_pixels_per_css_pixel);
}
DevicePixels PaintContext::enclosing_device_pixels(CSSPixels css_pixels) const
{
return ceilf(css_pixels.value() * m_device_pixels_per_css_pixel);
}
DevicePixels PaintContext::floored_device_pixels(CSSPixels css_pixels) const
{
return floorf(css_pixels.value() * m_device_pixels_per_css_pixel);
}
DevicePixelPoint PaintContext::rounded_device_point(CSSPixelPoint point) const
{
return {
roundf(point.x().value() * m_device_pixels_per_css_pixel),
roundf(point.y().value() * m_device_pixels_per_css_pixel)
};
}
DevicePixelPoint PaintContext::floored_device_point(CSSPixelPoint point) const
{
return {
floorf(point.x().value() * m_device_pixels_per_css_pixel),
floorf(point.y().value() * m_device_pixels_per_css_pixel)
};
}
DevicePixelRect PaintContext::enclosing_device_rect(CSSPixelRect rect) const
{
return {
floorf(rect.x().value() * m_device_pixels_per_css_pixel),
floorf(rect.y().value() * m_device_pixels_per_css_pixel),
ceilf(rect.width().value() * m_device_pixels_per_css_pixel),
ceilf(rect.height().value() * m_device_pixels_per_css_pixel)
};
}
DevicePixelRect PaintContext::rounded_device_rect(CSSPixelRect rect) const
{
return {
roundf(rect.x().value() * m_device_pixels_per_css_pixel),
roundf(rect.y().value() * m_device_pixels_per_css_pixel),
roundf(rect.width().value() * m_device_pixels_per_css_pixel),
roundf(rect.height().value() * m_device_pixels_per_css_pixel)
};
}
DevicePixelSize PaintContext::enclosing_device_size(CSSPixelSize size) const
{
return {
ceilf(size.width().value() * m_device_pixels_per_css_pixel),
ceilf(size.height().value() * m_device_pixels_per_css_pixel)
};
}
DevicePixelSize PaintContext::rounded_device_size(CSSPixelSize size) const
{
return {
roundf(size.width().value() * m_device_pixels_per_css_pixel),
roundf(size.height().value() * m_device_pixels_per_css_pixel)
};
}
CSSPixels PaintContext::scale_to_css_pixels(DevicePixels device_pixels) const
{
return device_pixels.value() / m_device_pixels_per_css_pixel;
}
CSSPixelPoint PaintContext::scale_to_css_point(DevicePixelPoint point) const
{
return {
scale_to_css_pixels(point.x()),
scale_to_css_pixels(point.y())
};
}
CSSPixelSize PaintContext::scale_to_css_size(DevicePixelSize size) const
{
return {
scale_to_css_pixels(size.width()),
scale_to_css_pixels(size.height())
};
}
CSSPixelRect PaintContext::scale_to_css_rect(DevicePixelRect rect) const
{
return {
scale_to_css_point(rect.location()),
scale_to_css_size(rect.size())
};
}
bool PaintContext::would_be_fully_clipped_by_painter(DevicePixelRect rect) const
{
return !painter().clip_rect().intersects(rect.to_type<int>().translated(painter().translation()));
}
}
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