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#include "modinfodialogimages.h"
#include "ui_modinfodialog.h"
ScalableImage::ScalableImage(QImage original)
: m_original(std::move(original)), m_border(1)
{
auto sp = sizePolicy();
sp.setHeightForWidth(true);
setSizePolicy(sp);
}
void ScalableImage::setImage(QImage image)
{
m_original = std::move(image);
m_scaled = {};
update();
}
const QImage& ScalableImage::image() const
{
return m_original;
}
bool ScalableImage::hasHeightForWidth() const
{
return true;
}
int ScalableImage::heightForWidth(int w) const
{
return w;
}
void ScalableImage::paintEvent(QPaintEvent* e)
{
if (m_original.isNull()) {
return;
}
const QRect widgetRect = rect();
const QRect imageRect = widgetRect.adjusted(
m_border, m_border, -m_border, -m_border);
const auto ratio = std::min({
1.0,
static_cast<double>(imageRect.width()) / m_original.width(),
static_cast<double>(imageRect.height()) / m_original.height()});
const QSize scaledSize(
static_cast<int>(std::round(m_original.width() * ratio)),
static_cast<int>(std::round(m_original.height() * ratio)));
if (m_scaled.isNull() || m_scaled.size() != scaledSize) {
m_scaled = m_original.scaled(
scaledSize.width(), scaledSize.height(),
Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
}
const QRect drawBorderRect = widgetRect.adjusted(0, 0, -1, -1);
const QRect drawImageRect(
(imageRect.left()+imageRect.width()/2) - m_scaled.width()/2,
(imageRect.top()+imageRect.height()/2) - m_scaled.height()/2,
m_scaled.width(), m_scaled.height());
QPainter painter(this);
painter.setPen(QColor(Qt::black));
painter.drawRect(drawBorderRect);
painter.drawImage(drawImageRect, m_scaled);
}
void ScalableImage::mousePressEvent(QMouseEvent* e)
{
if (e->button() == Qt::LeftButton) {
emit clicked(m_original);
}
}
ImagesTab::ImagesTab(
OrganizerCore& oc, PluginContainer& plugin,
QWidget* parent, Ui::ModInfoDialog* ui, int id) :
ModInfoDialogTab(oc, plugin, parent, ui, id),
m_image(new ScalableImage)
{
ui->imagesImage->layout()->addWidget(m_image);
ui->imagesThumbnails->setLayout(new QVBoxLayout);
ui->tabImagesSplitter->setSizes({128, 1});
ui->tabImagesSplitter->setStretchFactor(0, 0);
ui->tabImagesSplitter->setStretchFactor(1, 1);
}
void ImagesTab::clear()
{
m_image->setImage({});
while (ui->imagesThumbnails->layout()->count() > 0) {
auto* item = ui->imagesThumbnails->layout()->takeAt(0);
delete item->widget();
delete item;
}
static_cast<QVBoxLayout*>(ui->imagesThumbnails->layout())->addStretch(1);
setHasData(false);
}
bool ImagesTab::feedFile(const QString& rootPath, const QString& fullPath)
{
static constexpr const char* extensions[] = {
".png", ".jpg"
};
for (const auto* e : extensions) {
if (fullPath.endsWith(e, Qt::CaseInsensitive)) {
if (add(fullPath)) {
setHasData(true);
}
return true;
}
}
return false;
}
bool ImagesTab::add(const QString& fullPath)
{
QImage image = QImage(fullPath);
if (image.isNull()) {
qWarning() << "ImagesTab: '" << fullPath << "' is not a valid image";
return false;
}
auto* thumbnail = new ScalableImage(std::move(image));
QObject::connect(
thumbnail, &ScalableImage::clicked,
[&](const QImage& image){ onClicked(image); });
static_cast<QVBoxLayout*>(ui->imagesThumbnails->layout())->insertWidget(
ui->imagesThumbnails->layout()->count() - 1, thumbnail);
return true;
}
void ImagesTab::onClicked(const QImage& original)
{
m_image->setImage(original);
}
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