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- /*
- * Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #include <AK/MappedFile.h>
- #include <LibGUI/ImageWidget.h>
- #include <LibGUI/Painter.h>
- #include <LibGfx/Bitmap.h>
- #include <LibGfx/ImageDecoder.h>
- namespace GUI {
- ImageWidget::ImageWidget(const StringView&)
- : m_timer(Core::Timer::construct())
- {
- set_frame_thickness(0);
- set_frame_shadow(Gfx::FrameShadow::Plain);
- set_frame_shape(Gfx::FrameShape::NoFrame);
- set_auto_resize(true);
- REGISTER_BOOL_PROPERTY("auto_resize", auto_resize, set_auto_resize);
- REGISTER_BOOL_PROPERTY("should_stretch", should_stretch, set_should_stretch);
- }
- ImageWidget::~ImageWidget()
- {
- }
- void ImageWidget::set_bitmap(const Gfx::Bitmap* bitmap)
- {
- if (m_bitmap == bitmap)
- return;
- m_bitmap = bitmap;
- if (m_bitmap && m_auto_resize)
- set_fixed_size(m_bitmap->size());
- update();
- }
- void ImageWidget::set_auto_resize(bool value)
- {
- m_auto_resize = value;
- if (m_bitmap)
- set_fixed_size(m_bitmap->size());
- }
- void ImageWidget::animate()
- {
- m_current_frame_index = (m_current_frame_index + 1) % m_image_decoder->frame_count();
- const auto& current_frame = m_image_decoder->frame(m_current_frame_index);
- set_bitmap(current_frame.image);
- if (current_frame.duration != m_timer->interval()) {
- m_timer->restart(current_frame.duration);
- }
- if (m_current_frame_index == m_image_decoder->frame_count() - 1) {
- ++m_loops_completed;
- if (m_loops_completed > 0 && m_loops_completed == m_image_decoder->loop_count()) {
- m_timer->stop();
- }
- }
- }
- void ImageWidget::load_from_file(const StringView& path)
- {
- MappedFile mapped_file(path);
- if (!mapped_file.is_valid())
- return;
- m_image_decoder = Gfx::ImageDecoder::create((const u8*)mapped_file.data(), mapped_file.size());
- auto bitmap = m_image_decoder->bitmap();
- ASSERT(bitmap);
- set_bitmap(bitmap);
- if (path.ends_with(".gif")) {
- if (m_image_decoder->is_animated() && m_image_decoder->frame_count() > 1) {
- const auto& first_frame = m_image_decoder->frame(0);
- m_timer->set_interval(first_frame.duration);
- m_timer->on_timeout = [this] { animate(); };
- m_timer->start();
- }
- }
- }
- void ImageWidget::mousedown_event(GUI::MouseEvent&)
- {
- if (on_click)
- on_click();
- }
- void ImageWidget::paint_event(PaintEvent& event)
- {
- Frame::paint_event(event);
- if (!m_bitmap) {
- return;
- }
- Painter painter(*this);
- if (m_should_stretch) {
- painter.draw_scaled_bitmap(frame_inner_rect(), *m_bitmap, m_bitmap->rect());
- } else {
- auto location = frame_inner_rect().center().translated(-(m_bitmap->width() / 2), -(m_bitmap->height() / 2));
- painter.blit(location, *m_bitmap, m_bitmap->rect());
- }
- }
- }
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