porymap/src/ui/currentselectedmetatilespixmapitem.cpp

#include "currentselectedmetatilespixmapitem.h"
#include "imageproviders.h"
#include <QPainter>

void CurrentSelectedMetatilesPixmapItem::draw() {
    MetatileSelection selection = metatileSelector->getMetatileSelection();
    int width = selection.dimensions.x() * 16;
    int height = selection.dimensions.y() * 16;
    QImage image(width, height, QImage::Format_RGBA8888);
    QPainter painter(&image);

    for (int i = 0; i < selection.dimensions.x(); i++) {
        for (int j = 0; j < selection.dimensions.y(); j++) {
            int x = i * 16;
            int y = j * 16;
            int index = j * selection.dimensions.x() + i;
            MetatileSelectionItem item = selection.metatileItems.at(index);
            QImage metatile_image = getMetatileImage(
                        item.metatileId,
                        map->layout->tileset_primary,
                        map->layout->tileset_secondary,
                        map->metatileLayerOrder,
                        map->metatileLayerOpacity);
            QPoint metatile_origin = QPoint(x, y);
            painter.drawImage(metatile_origin, metatile_image);
        }
    }

    painter.end();
    setPixmap(QPixmap::fromImage(image));
}