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QuickShow: Animate animated images :^)

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With a little help (read: copy & paste) from ImageWidget, QuickShow will
now cycle through the frames of animated images - enjoy the cat GIFs!

Future improvement: cache decoded images like LibWeb's ImageResource to
waste less CPU - the same applies to LibGUI though, maybe we can put
something shared in LibGfx.

Closes #5837.
This commit is contained in:
Linus Groh 2021-03-16 23:37:44 +01:00 • committed by Andreas Kling
parent 41e5155467
commit 10843a2c8c
3 changed files with 68 additions and 9 deletions
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20
Userland/Applications/QuickShow/QSWidget.h
View file

@ -1,5 +1,6 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Linus Groh <mail@linusgroh.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -26,12 +27,12 @@
#pragma once
#include <LibCore/Timer.h>
#include <LibGUI/Frame.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/ImageDecoder.h>
#include <LibGfx/Point.h>
class QSLabel;
class QSWidget final : public GUI::Frame {
C_OBJECT(QSWidget)
public:
@ -72,18 +73,25 @@ private:
virtual void mousewheel_event(GUI::MouseEvent&) override;
virtual void drop_event(GUI::DropEvent&) override;
void set_bitmap(const Gfx::Bitmap* bitmap);
void relayout();
void resize_window();
void reset_view();
void animate();
String m_path;
RefPtr<Gfx::Bitmap> m_bitmap;
int m_toolbar_height { 28 };
Gfx::IntRect m_bitmap_rect;
int m_scale { -1 };
Gfx::FloatPoint m_pan_origin;
RefPtr<Gfx::ImageDecoder> m_image_decoder;
size_t m_current_frame_index { 0 };
size_t m_loops_completed { 0 };
NonnullRefPtr<Core::Timer> m_timer;
int m_scale { -1 };
int m_toolbar_height { 28 };
Gfx::FloatPoint m_pan_origin;
Gfx::IntPoint m_click_position;
Gfx::FloatPoint m_saved_pan_origin;
Vector<String> m_files_in_same_dir;