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https://github.com/RGBCube/serenity
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LibGUI: Add a new GUI::Image component for display images
New GUI::Image component for replace Label usage for icons and images.
This commit is contained in:
Hüseyin ASLITÜRK
Andreas Kling
parent
4e43cd8252
commit
ccb0d00020
3 changed files with 205 additions and 0 deletions
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@ -30,6 +30,7 @@ set(SOURCES
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GroupBox.cpp
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GroupBox.cpp
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Icon.cpp
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Icon.cpp
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IconView.cpp
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IconView.cpp
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Image.cpp
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INILexer.cpp
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INILexer.cpp
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INISyntaxHighlighter.cpp
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INISyntaxHighlighter.cpp
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InputBox.cpp
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InputBox.cpp
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134
Libraries/LibGUI/Image.cpp
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134
Libraries/LibGUI/Image.cpp
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@ -0,0 +1,134 @@
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/*
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* Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "Image.h"
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#include <AK/MappedFile.h>
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#include <LibGUI/Painter.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/ImageDecoder.h>
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namespace GUI {
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Image::Image(const StringView&)
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: m_timer(Core::Timer::construct())
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{
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set_frame_thickness(0);
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set_frame_shadow(Gfx::FrameShadow::Plain);
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set_frame_shape(Gfx::FrameShape::NoFrame);
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set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fixed);
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set_auto_resize(true);
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}
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Image::~Image()
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{
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}
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void Image::set_bitmap(const Gfx::Bitmap* bitmap)
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{
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if (m_bitmap == bitmap)
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return;
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m_bitmap = bitmap;
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if (m_auto_resize)
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set_preferred_size(m_bitmap->width(), m_bitmap->height());
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update();
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}
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void Image::set_auto_resize(bool value)
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{
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m_auto_resize = value;
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if (m_bitmap)
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set_preferred_size(m_bitmap->width(), m_bitmap->height());
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}
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void Image::animate()
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{
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m_current_frame_index = (m_current_frame_index + 1) % m_image_decoder->frame_count();
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const auto& current_frame = m_image_decoder->frame(m_current_frame_index);
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set_bitmap(current_frame.image);
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if (current_frame.duration != m_timer->interval()) {
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m_timer->restart(current_frame.duration);
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}
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if (m_current_frame_index == m_image_decoder->frame_count() - 1) {
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++m_loops_completed;
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if (m_loops_completed > 0 && m_loops_completed == m_image_decoder->loop_count()) {
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m_timer->stop();
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}
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}
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}
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void Image::load_from_file(const StringView& path)
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{
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MappedFile mapped_file(path);
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if (!mapped_file.is_valid())
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return;
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m_image_decoder = Gfx::ImageDecoder::create((const u8*)mapped_file.data(), mapped_file.size());
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auto bitmap = m_image_decoder->bitmap();
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ASSERT(bitmap);
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set_bitmap(bitmap);
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if (path.ends_with(".gif")) {
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if (m_image_decoder->is_animated() && m_image_decoder->frame_count() > 1) {
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const auto& first_frame = m_image_decoder->frame(0);
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m_timer->set_interval(first_frame.duration);
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m_timer->on_timeout = [this] { animate(); };
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m_timer->start();
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}
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}
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}
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void Image::mousedown_event(GUI::MouseEvent&)
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{
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if (on_click)
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on_click();
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}
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void Image::paint_event(PaintEvent& event)
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{
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Frame::paint_event(event);
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if (!m_bitmap) {
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return;
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}
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Painter painter(*this);
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if (m_should_stretch) {
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painter.draw_scaled_bitmap(frame_inner_rect(), *m_bitmap, m_bitmap->rect());
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} else {
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auto location = frame_inner_rect().center().translated(-(m_bitmap->width() / 2), -(m_bitmap->height() / 2));
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painter.blit(location, *m_bitmap, m_bitmap->rect());
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}
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}
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}
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70
Libraries/LibGUI/Image.h
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70
Libraries/LibGUI/Image.h
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@ -0,0 +1,70 @@
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/*
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* Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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namespace GUI {
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class Image : public Frame {
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C_OBJECT(Image)
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public:
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virtual ~Image() override;
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void set_bitmap(const Gfx::Bitmap*);
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Gfx::Bitmap* bitmap() { return m_bitmap.ptr(); }
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void set_should_stretch(bool value) { m_should_stretch = value; }
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bool should_stretch() const { return m_should_stretch; }
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void set_auto_resize(bool value);
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bool auto_resize() const { return m_auto_resize; }
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void animate();
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void load_from_file(const StringView&);
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Function<void()> on_click;
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protected:
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explicit Image(const StringView& text = {});
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virtual void mousedown_event(GUI::MouseEvent&) override;
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virtual void paint_event(PaintEvent&) override;
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private:
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RefPtr<Gfx::Bitmap> m_bitmap;
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bool m_should_stretch { false };
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bool m_auto_resize { false };
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RefPtr<Gfx::ImageDecoder> m_image_decoder;
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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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};
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}
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