mirror of
https://github.com/RGBCube/serenity
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ab324c1dae
- Store scale as a (float) factor (not as %) - Make scaling exponential so that matches PixelPaint and another image viewers/editors/etc
91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
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* Copyright (c) 2021, Mohsan Ali <mohsan0073@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibCore/Timer.h>
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#include <LibGUI/Frame.h>
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#include <LibGfx/Point.h>
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#include <LibImageDecoderClient/Client.h>
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namespace ImageViewer {
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class ViewWidget final : public GUI::Frame {
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C_OBJECT(ViewWidget)
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public:
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enum Directions {
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First,
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Back,
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Forward,
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Last
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};
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virtual ~ViewWidget() override;
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const Gfx::Bitmap* bitmap() const { return m_bitmap.ptr(); }
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const String& path() const { return m_path; }
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void set_scale(float);
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float scale() { return m_scale; }
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void set_toolbar_height(int height) { m_toolbar_height = height; }
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int toolbar_height() { return m_toolbar_height; }
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bool scaled_for_first_image() { return m_scaled_for_first_image; }
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void set_scaled_for_first_image(bool val) { m_scaled_for_first_image = val; }
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void set_path(const String& path);
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void resize_window();
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bool is_next_available() const;
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bool is_previous_available() const;
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void clear();
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void flip(Gfx::Orientation);
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void rotate(Gfx::RotationDirection);
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void navigate(Directions);
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void load_from_file(const String&);
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Function<void(float)> on_scale_change;
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Function<void()> on_doubleclick;
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Function<void(const GUI::DropEvent&)> on_drop;
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Function<void(const Gfx::Bitmap*)> on_image_change;
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private:
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ViewWidget();
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virtual void doubleclick_event(GUI::MouseEvent&) override;
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virtual void paint_event(GUI::PaintEvent&) override;
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virtual void resize_event(GUI::ResizeEvent&) override;
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virtual void mousedown_event(GUI::MouseEvent&) override;
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virtual void mouseup_event(GUI::MouseEvent&) override;
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virtual void mousemove_event(GUI::MouseEvent&) override;
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virtual void mousewheel_event(GUI::MouseEvent&) override;
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virtual void drop_event(GUI::DropEvent&) override;
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void set_bitmap(const Gfx::Bitmap* bitmap);
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void relayout();
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void reset_view();
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void animate();
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Vector<String> load_files_from_directory(const String& path) const;
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String m_path;
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RefPtr<Gfx::Bitmap> m_bitmap;
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Gfx::IntRect m_bitmap_rect;
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Optional<ImageDecoderClient::DecodedImage> m_decoded_image;
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size_t m_current_frame_index { 0 };
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size_t m_loops_completed { 0 };
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NonnullRefPtr<Core::Timer> m_timer;
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float m_scale { -1 };
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int m_toolbar_height { 28 };
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bool m_scaled_for_first_image { false };
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Gfx::FloatPoint m_pan_origin;
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Gfx::IntPoint m_click_position;
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Gfx::FloatPoint m_saved_pan_origin;
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Vector<String> m_files_in_same_dir;
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Optional<size_t> m_current_index;
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};
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}
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