78 lines
1.5 KiB
C++
78 lines
1.5 KiB
C++
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/*
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SPDX-FileCopyrightText: 2022 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "scene/imageitem.h"
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#include <kwingltexture.h>
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namespace KWin
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{
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ImageItem::ImageItem(Scene *scene, Item *parent)
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: Item(scene, parent)
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{
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}
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QImage ImageItem::image() const
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{
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return m_image;
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}
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void ImageItem::setImage(const QImage &image)
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{
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m_image = image;
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}
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ImageItemOpenGL::ImageItemOpenGL(Scene *scene, Item *parent)
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: ImageItem(scene, parent)
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{
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}
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ImageItemOpenGL::~ImageItemOpenGL()
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{
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}
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GLTexture *ImageItemOpenGL::texture() const
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{
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return m_texture.get();
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}
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void ImageItemOpenGL::preprocess()
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{
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if (m_image.isNull()) {
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m_texture.reset();
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m_textureKey = 0;
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} else if (m_textureKey != m_image.cacheKey()) {
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m_textureKey = m_image.cacheKey();
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if (!m_texture || m_texture->size() != m_image.size()) {
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m_texture = std::make_unique<GLTexture>(m_image);
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} else {
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m_texture->update(m_image);
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}
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}
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}
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WindowQuadList ImageItemOpenGL::buildQuads() const
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{
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const QRectF geometry = boundingRect();
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if (geometry.isEmpty()) {
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return WindowQuadList{};
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}
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WindowQuad quad;
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quad[0] = WindowVertex(geometry.topLeft(), QPointF(0, 0));
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quad[1] = WindowVertex(geometry.topRight(), QPointF(1, 0));
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quad[2] = WindowVertex(geometry.bottomRight(), QPointF(1, 1));
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quad[3] = WindowVertex(geometry.bottomLeft(), QPointF(0, 1));
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WindowQuadList ret;
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ret.append(quad);
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return ret;
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}
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} // namespace KWin
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