beenull/ladybird
1
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2024-11-22 15:40:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

LibWeb: Implement CanvasRenderingContext2D.restore()

Browse source
This commit is contained in:
Linus Groh 2021-12-27 14:32:31 +01:00 committed by Andreas Kling
parent 7d435b5ada
commit 3e0e965f24
Notes: sideshowbarker 2024-07-17 22:07:27 +09:00 
Author: https://github.com/linusg
Commit: https://github.com/SerenityOS/serenity/commit/3e0e965f244
Pull-request: https://github.com/SerenityOS/serenity/pull/11444
3 changed files with 11 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.cpp
View file

@ -320,4 +320,13 @@ void CanvasRenderingContext2D::save()
m_drawing_state_stack.append(m_drawing_state);
}
// https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-restore
void CanvasRenderingContext2D::restore()
{
// The restore() method steps are to pop the top entry in the drawing state stack, and reset the drawing state it describes. If there is no saved state, then the method must do nothing.
if (m_drawing_state_stack.is_empty())
return;
m_drawing_state = m_drawing_state_stack.take_last();
}
}

1
Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.h
View file

@ -70,6 +70,7 @@ public:
void put_image_data(const ImageData&, float x, float y);
void save();
void restore();
HTMLCanvasElement* canvas() { return m_element; }

1
Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.idl
View file

@ -32,6 +32,7 @@ interface CanvasRenderingContext2D {
undefined putImageData(ImageData imagedata, double dx, double dy);
undefined save();
undefined restore();
readonly attribute HTMLCanvasElement canvas;