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LibWeb+WebContent+headless-browser: Make Page aware of the display scale

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For now, we just report it as "1" everywhere.

Replaced `screen_rect()` with `web_exposed_screen_area()` from the spec.
This commit is contained in:
Sam Atkins 2022-11-25 17:07:19 +00:00 • committed by Linus Groh
parent 6361584d4a
commit 8dfeb67f8c
9 changed files with 118 additions and 34 deletions
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62
Userland/Libraries/LibWeb/Page/Page.cpp
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -54,9 +55,17 @@ Gfx::Palette Page::palette() const
return m_client.palette();
}
Gfx::IntRect Page::screen_rect() const
// https://w3c.github.io/csswg-drafts/cssom-view-1/#web-exposed-screen-area
CSSPixelRect Page::web_exposed_screen_area() const
{
return m_client.screen_rect();
auto device_pixel_rect = m_client.screen_rect();
auto scale = client().device_pixels_per_css_pixel();
return {
device_pixel_rect.x().value() / scale,
device_pixel_rect.y().value() / scale,
device_pixel_rect.width().value() / scale,
device_pixel_rect.height().value() / scale
};
}
CSS::PreferredColorScheme Page::preferred_color_scheme() const
@ -64,6 +73,55 @@ CSS::PreferredColorScheme Page::preferred_color_scheme() const
return m_client.preferred_color_scheme();
}
CSSPixelPoint Page::device_to_css_point(DevicePixelPoint point) const
{
return {
point.x().value() / client().device_pixels_per_css_pixel(),
point.y().value() / client().device_pixels_per_css_pixel(),
};
}
DevicePixelPoint Page::css_to_device_point(CSSPixelPoint point) const
{
return {
point.x().value() * client().device_pixels_per_css_pixel(),
point.y().value() * client().device_pixels_per_css_pixel(),
};
}
CSSPixelRect Page::device_to_css_rect(DevicePixelRect rect) const
{
auto scale = client().device_pixels_per_css_pixel();
return {
rect.x().value() / scale,
rect.y().value() / scale,
rect.width().value() / scale,
rect.height().value() / scale
};
}
DevicePixelRect Page::enclosing_device_rect(CSSPixelRect rect) const
{
auto scale = client().device_pixels_per_css_pixel();
return {
floorf(rect.x().value() * scale),
floorf(rect.y().value() * scale),
ceilf(rect.width().value() * scale),
ceilf(rect.height().value() * scale)
};
}
DevicePixelRect Page::rounded_device_rect(CSSPixelRect rect) const
{
auto scale = client().device_pixels_per_css_pixel();
return {
roundf(rect.x().value() * scale),
roundf(rect.y().value() * scale),
roundf(rect.width().value() * scale),
roundf(rect.height().value() * scale)
};
}
bool Page::handle_mousewheel(Gfx::IntPoint position, unsigned button, unsigned buttons, unsigned modifiers, int wheel_delta_x, int wheel_delta_y)
{
return top_level_browsing_context().event_handler().handle_mousewheel(position, button, buttons, modifiers, wheel_delta_x, wheel_delta_y);