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Magnifier: Add timeline for easy checking of animations

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This patch adds a 512 frame timeline to Magnifier and the ability to
step through it with the arrow keys.

This makes it easier to check Serenity animations frame by frame for
correctness etc.
This commit is contained in:
Junior Rantila 2021-12-15 14:26:47 +01:00 • committed by Brian Gianforcaro
parent 58ec2f688b
commit 5238308d6f
3 changed files with 44 additions and 1 deletions
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12
Userland/Applications/Magnifier/MagnifierWidget.h
View file

@ -6,6 +6,7 @@
#pragma once
#include <AK/CircularQueue.h>
#include <LibGUI/Frame.h>
class MagnifierWidget final : public GUI::Frame {
@ -14,7 +15,14 @@ class MagnifierWidget final : public GUI::Frame {
public:
virtual ~MagnifierWidget();
void set_scale_factor(int scale_factor);
void pause_capture(bool pause) { m_pause_capture = pause; }
void pause_capture(bool pause)
{
m_pause_capture = pause;
if (!pause)
m_frame_offset_from_head = 0;
}
void display_previous_frame();
void display_next_frame();
private:
MagnifierWidget();
@ -25,5 +33,7 @@ private:
int m_scale_factor { 2 };
RefPtr<Gfx::Bitmap> m_grabbed_bitmap;
CircularQueue<RefPtr<Gfx::Bitmap>, 512> m_grabbed_bitmaps {};
ssize_t m_frame_offset_from_head { 0 };
bool m_pause_capture { false };
};