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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
*/
#pragma once
#include <AK/Vector.h>
#include <LibGfx/Forward.h>
#include <LibGfx/Palette.h>
#include <LibGfx/Rect.h>
#include <LibWeb/PixelUnits.h>
#include <LibWeb/SVG/SVGContext.h>
namespace Web {
class PaintContext {
public:
PaintContext(Gfx::Painter& painter, Palette const& palette, double device_pixels_per_css_pixel);
Gfx::Painter& painter() const { return m_painter; }
Palette const& palette() const { return m_palette; }
bool has_svg_context() const { return m_svg_context.has_value(); }
SVGContext& svg_context();
void set_svg_context(SVGContext);
void clear_svg_context();
bool should_show_line_box_borders() const { return m_should_show_line_box_borders; }
void set_should_show_line_box_borders(bool value) { m_should_show_line_box_borders = value; }
DevicePixelRect device_viewport_rect() const { return m_device_viewport_rect; }
void set_device_viewport_rect(DevicePixelRect const& rect) { m_device_viewport_rect = rect; }
CSSPixelRect css_viewport_rect() const;
[[nodiscard]] bool would_be_fully_clipped_by_painter(DevicePixelRect) const;
bool has_focus() const { return m_focus; }
void set_has_focus(bool focus) { m_focus = focus; }
DevicePixels enclosing_device_pixels(CSSPixels css_pixels) const;
DevicePixels floored_device_pixels(CSSPixels css_pixels) const;
DevicePixels rounded_device_pixels(CSSPixels css_pixels) const;
DevicePixelPoint rounded_device_point(CSSPixelPoint) const;
DevicePixelPoint floored_device_point(CSSPixelPoint) const;
DevicePixelRect enclosing_device_rect(CSSPixelRect) const;
DevicePixelRect rounded_device_rect(CSSPixelRect) const;
DevicePixelSize enclosing_device_size(CSSPixelSize) const;
DevicePixelSize rounded_device_size(CSSPixelSize) const;
CSSPixels scale_to_css_pixels(DevicePixels) const;
CSSPixelPoint scale_to_css_point(DevicePixelPoint) const;
CSSPixelSize scale_to_css_size(DevicePixelSize) const;
CSSPixelRect scale_to_css_rect(DevicePixelRect) const;
PaintContext clone(Gfx::Painter& painter) const
{
auto clone = PaintContext(painter, m_palette, m_device_pixels_per_css_pixel);
clone.m_device_viewport_rect = m_device_viewport_rect;
clone.m_should_show_line_box_borders = m_should_show_line_box_borders;
clone.m_focus = m_focus;
clone.m_svg_context = m_svg_context;
return clone;
}
double device_pixels_per_css_pixel() const { return m_device_pixels_per_css_pixel; }
private:
Gfx::Painter& m_painter;
Palette m_palette;
Optional<SVGContext> m_svg_context;
double m_device_pixels_per_css_pixel { 0 };
DevicePixelRect m_device_viewport_rect;
bool m_should_show_line_box_borders { false };
bool m_focus { false };
};
}
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