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#include "ddspreview.h"
#include "ddsfile.h"
#include "ddswidget.h"
#include <QLabel>
#include <QVBoxLayout>
#include <QWidget>
using namespace MOBase;
DDSPreview::DDSPreview() {}
bool DDSPreview::init(IOrganizer* moInfo)
{
m_organizer = moInfo;
return true;
}
QString DDSPreview::name() const
{
return "DDS Preview (Native)";
}
QString DDSPreview::localizedName() const
{
return tr("DDS Preview (Native)");
}
QString DDSPreview::author() const
{
return "AnyOldName3";
}
QString DDSPreview::description() const
{
return tr("Displays DDS texture files using OpenGL.");
}
VersionInfo DDSPreview::version() const
{
return VersionInfo(1, 0, 0, VersionInfo::RELEASE_FINAL);
}
QList<PluginSetting> DDSPreview::settings() const
{
return {};
}
std::set<QString> DDSPreview::supportedExtensions() const
{
return {"dds"};
}
bool DDSPreview::supportsArchives() const
{
return true;
}
QWidget* DDSPreview::genFilePreview(const QString& fileName,
const QSize& maxSize) const
{
DDSFile dds;
if (!dds.loadFromFile(fileName)) {
QLabel* label = new QLabel(tr("Failed to load DDS file."));
label->setAlignment(Qt::AlignCenter);
return label;
}
return buildPreview(dds, maxSize);
}
QWidget* DDSPreview::genDataPreview(const QByteArray& fileData,
const QString& fileName,
const QSize& maxSize) const
{
DDSFile dds;
if (!dds.loadFromData(fileData)) {
QLabel* label = new QLabel(tr("Failed to load DDS data."));
label->setAlignment(Qt::AlignCenter);
return label;
}
return buildPreview(dds, maxSize);
}
QWidget* DDSPreview::buildPreview(DDSFile& dds, const QSize& maxSize) const
{
QWidget* container = new QWidget();
QVBoxLayout* layout = new QVBoxLayout(container);
// Description label
QLabel* descLabel = new QLabel(dds.description());
descLabel->setAlignment(Qt::AlignCenter);
layout->addWidget(descLabel);
// OpenGL preview widget — we need to keep the DDSFile alive, so store
// it in the container. We use a shared_ptr stored as a property.
auto* ddsPtr = new DDSFile(std::move(dds));
DDSWidget* widget = new DDSWidget(*ddsPtr, container);
// Clean up DDSFile when container is destroyed
QObject::connect(container, &QObject::destroyed, [ddsPtr]() {
delete ddsPtr;
});
// Size the widget proportionally
int previewW = maxSize.width();
int previewH = maxSize.height() - 30; // leave room for label
if (ddsPtr->width() > 0 && ddsPtr->height() > 0) {
float texAspect =
static_cast<float>(ddsPtr->width()) / ddsPtr->height();
float availAspect =
static_cast<float>(previewW) / std::max(1, previewH);
if (texAspect > availAspect) {
previewH = static_cast<int>(previewW / texAspect);
} else {
previewW = static_cast<int>(previewH * texAspect);
}
}
widget->setMinimumSize(std::min(previewW, static_cast<int>(ddsPtr->width())),
std::min(previewH, static_cast<int>(ddsPtr->height())));
widget->setMaximumSize(previewW, previewH);
layout->addWidget(widget);
container->setLayout(layout);
return container;
}
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