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115 lines
3.0 KiB
Java
115 lines
3.0 KiB
Java
package peery.picture;
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import java.awt.Dimension;
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import java.awt.Graphics2D;
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import java.awt.Image;
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import java.awt.image.BufferedImage;
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import peery.log.Log;
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import peery.log.LogLevel;
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public class ImageUtils {
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private static final int scalingMethod = Image.SCALE_SMOOTH;
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/**
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* TODO Needs cleanup
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* @param input
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* @param targetSize
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* @param keepRatio
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* @param overlapImages
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* @return
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*/
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public static BufferedImage resizeImage(BufferedImage input, Dimension targetSize, boolean keepRatio,
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boolean overlapImages){
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Image tmp;
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BufferedImage img;
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int imageWidth, imageHeight;
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if(!keepRatio){
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imageWidth = (int)targetSize.getWidth();
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imageHeight = (int)targetSize.getHeight();
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}
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else{
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if(!overlapImages){
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if(input.getWidth() > input.getHeight()){
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imageWidth = (int)targetSize.getWidth();
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imageHeight = -1;
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}else{
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imageWidth = -1;
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imageHeight = (int)targetSize.getHeight();
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}
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}else{
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if(input.getWidth() < input.getHeight()){
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imageWidth = (int)targetSize.getWidth();
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imageHeight = -1;
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}else{
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imageWidth = -1;
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imageHeight = (int)targetSize.getHeight();
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}
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}
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}
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tmp = input.getScaledInstance(imageWidth, imageHeight, scalingMethod);
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img = new BufferedImage(tmp.getWidth(null), tmp.getHeight(null), BufferedImage.TYPE_INT_ARGB);
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Graphics2D g2 = (Graphics2D) img.getGraphics();
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g2.drawImage(tmp, 0, 0, null);
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g2.dispose();
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return img;
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}
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public static void cutOutGrid(ImageAnalyzer ia){
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Log.log(LogLevel.Info, "Cutting out what the grid covered!");
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Log.log(LogLevel.Debug, "Cutting out 0 0 "+ia.gridEnd[0]+" "+ia.gridEnd[1]);
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ia.canvas = ia.canvas.getSubimage(0, 0, ia.gridEnd[0], ia.gridEnd[1]);
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}
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/**
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* Converts the given number into the slot coordinates (not pixel coordinates).
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* @param ia
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* @param num
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* @return
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*/
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public static int[] getSlotCoord(ImageAnalyzer ia, int num){
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int[] coords = new int[2];
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coords[0] = num%(ia.slotX+1);
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coords[1] = num/(ia.slotX+1);
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return coords;
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}
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/**
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* Converts from a numbered Slot to a specific slot start coordinate.
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*
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* @param num
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* @param preMagnification true if slot sizes before the magnification are to be used.
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* @return
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*/
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public static int[] getSlotCoordPixels(ImageAnalyzer ia, int[] coords, boolean preMagnification){
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//TODO BUGGGSSS
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/*
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* Error collision values (num1 num2 preSlotDimensions -> result):
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* 18614 18855 7x3 -> 399x174
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* 18565 18806 7x3 -> 56x174
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* 6735 6976 7x3 -> 1596x63
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* 5833 6074 7x3 -> 343x54
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* 382 623 7x3 -> 987x3
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*/
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int slotWidth, slotHeight;
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if(preMagnification){
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slotWidth = ia.preSlotWidth;
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slotHeight = ia.preSlotHeight;
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}else{
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slotWidth = ia.postSlotWidth;
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slotHeight = ia.postSlotHeight;
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}
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//TODO -----> FIX überschlag von Zeile 0 in 1; x zählt zu viel!
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int[] pixelCoords = {coords[0]*slotWidth, coords[1]*slotHeight};
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return pixelCoords;
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}
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public static String parseCoord(int[] coord){
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return coord[0]+"-"+coord[1];
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}
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}
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