88 lines
2.8 KiB
Java
88 lines
2.8 KiB
Java
package org.dynmap.kzedmap;
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import java.awt.Graphics2D;
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import java.awt.RenderingHints;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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import java.util.Map;
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import javax.imageio.ImageIO;
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import org.dynmap.debug.Debugger;
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public class ZoomedTileRenderer {
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protected Debugger debugger;
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public ZoomedTileRenderer(Debugger debugger, Map<String, Object> configuration) {
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this.debugger = debugger;
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}
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public void render(KzedZoomedMapTile zt, String outputPath) {
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KzedMapTile originalTile = zt.originalTile;
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int px = originalTile.px;
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int py = originalTile.py;
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int zpx = zt.getTileX();
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int zpy = zt.getTileY();
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BufferedImage image = null;
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try {
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image = ImageIO.read(new File(new File(outputPath), originalTile.getName() + ".png"));
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} catch (IOException e) {
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}
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if (image == null) {
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debugger.debug("Could not load original tile, won't render zoom-out tile.");
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return;
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}
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BufferedImage zIm = null;
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File zoomFile = new File(new File(outputPath), zt.getName() + ".png");
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try {
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zIm = ImageIO.read(zoomFile);
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} catch (IOException e) {
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}
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if (zIm == null) {
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/* create new one */
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zIm = new BufferedImage(KzedMap.tileWidth, KzedMap.tileHeight, BufferedImage.TYPE_INT_RGB);
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debugger.debug("New zoom-out tile created " + zt.getName());
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} else {
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debugger.debug("Loaded zoom-out tile from " + zt.getName());
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}
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/* update zoom-out tile */
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/* scaled size */
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int scw = KzedMap.tileWidth / 2;
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int sch = KzedMap.tileHeight / 2;
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/* origin in zoomed-out tile */
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int ox = 0;
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int oy = 0;
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if (zpx != px)
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ox = scw;
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if (zpy != py)
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oy = sch;
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/* blit scaled rendered tile onto zoom-out tile */
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// WritableRaster zr = zIm.getRaster();
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Graphics2D g2 = zIm.createGraphics();
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g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
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g2.drawImage(image, ox, oy, scw, sch, null);
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image.flush();
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/* save zoom-out tile */
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try {
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ImageIO.write(zIm, "png", zoomFile);
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debugger.debug("Saved zoom-out tile at " + zoomFile.getName());
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} catch (IOException e) {
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debugger.error("Failed to save zoom-out tile: " + zoomFile.getName(), e);
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} catch (java.lang.NullPointerException e) {
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debugger.error("Failed to save zoom-out tile (NullPointerException): " + zoomFile.getName(), e);
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}
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zIm.flush();
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}
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}
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