-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-/*\r
- * Created on 12.11.2005\r
- * @author Toni Kalajainen \r
- */\r
-package org.simantics.utils.ui.gfx;\r
-\r
-import java.awt.image.BufferedImage;\r
-import java.awt.image.ColorModel;\r
-import java.awt.image.ComponentColorModel;\r
-import java.awt.image.DirectColorModel;\r
-import java.awt.image.IndexColorModel;\r
-import java.awt.image.WritableRaster;\r
-import java.nio.ByteBuffer;\r
-\r
-import org.eclipse.swt.graphics.ImageData;\r
-import org.eclipse.swt.graphics.PaletteData;\r
-import org.eclipse.swt.graphics.RGB;\r
-\r
-public class ImageUtils {\r
-\r
- public final static PaletteData RGB24 = new PaletteData(0xff, 0xff00, 0xff0000);\r
-\r
- public static ImageData convertPaletteToRGB24(ImageData data) {\r
- return convertPalette(data, RGB24, 24);\r
- }\r
-\r
- /**\r
- * Converts image data to RGB format\r
- * \r
- * @param data source data\r
- * @return result data\r
- */\r
- public static ImageData convertPalette(ImageData data, PaletteData newPalette, int newDepth) {\r
- if (paletteDataEquals(data.palette, newPalette))\r
- return data;\r
- ImageData result = new ImageData(data.width, data.height, newDepth, newPalette);\r
- boolean hasAlpha = data.alphaData != null;\r
- int width = data.width;\r
- int height = data.height;\r
- // Very slow operation\r
- for (int y = 0; y < height; y++)\r
- for (int x = 0; x < width; x++) {\r
- // convert RGBs\r
- RGB rgb = data.palette.getRGB(data.getPixel(x, y));\r
- result.setPixel(x, y, result.palette.getPixel(rgb));\r
-\r
- // convert alpha\r
- if (hasAlpha) {\r
- int alpha = data.getAlpha(x, y);\r
- result.setAlpha(x, y, alpha);\r
- }\r
- }\r
- return result;\r
- }\r
-\r
- /**\r
- * Convert Device-independent image data format from one format to another.\r
- * \r
- * @param sourceImage source image, it must contain image data\r
- * @param destImage destination image, it must be empty image\r
- */\r
- // public static void convertImageData(ImageData sourceImage, ImageData\r
- // destImage) {\r
- // int swid = sourceImage.width;\r
- // int shei = sourceImage.height;\r
- // int dwid = destImage.width;\r
- // int dhei = destImage.height;\r
- // \r
- // // resize\r
- // if (swid!=dwid || shei!=dhei)\r
- // sourceImage = sourceImage.scaledTo(dwid, dhei);\r
- // \r
- // // Convert palette\r
- // PaletteData spal = sourceImage.palette;\r
- // PaletteData dpal = destImage.palette;\r
- // }\r
- public static boolean paletteDataEquals(PaletteData p1, PaletteData p2) {\r
- if (p1.isDirect != p2.isDirect)\r
- return false;\r
- if (!p1.isDirect) {\r
- RGB rgb1[] = p1.colors;\r
- RGB rgb2[] = p2.colors;\r
- if (rgb1.length != rgb2.length)\r
- return false;\r
- for (int i = 0; i < rgb1.length; i++)\r
- if (rgb1[i].blue != rgb2[i].blue || rgb1[i].green != rgb2[i].green || rgb1[i].red != rgb2[i].red)\r
- return false;\r
- return true;\r
- }\r
-\r
- if (p1.blueMask != p2.blueMask)\r
- return false;\r
- if (p1.blueShift != p2.blueShift)\r
- return false;\r
- if (p1.greenMask != p2.greenShift)\r
- return false;\r
- if (p1.greenMask != p2.greenMask)\r
- return false;\r
- if (p1.redMask != p2.redMask)\r
- return false;\r
- if (p1.redShift != p2.redShift)\r
- return false;\r
-\r
- return true;\r
- }\r
-\r
- // ks. org.eclipse.gmf.runtime.draw2d.ui.render.image.ImageConverter\r
- // Sama toiminnallisuus, mutta GMF riippuvuus\r
- public static BufferedImage convertToAWT(ImageData data) {\r
- ColorModel colorModel = null;\r
- PaletteData palette = data.palette;\r
- if (palette.isDirect) {\r
- // has alpha and is 24bit (others are not supported)\r
- if (data.alphaData != null && data.depth==24) {\r
- colorModel = new DirectColorModel(data.depth+8, palette.redMask, palette.greenMask, palette.blueMask, 0xff000000);\r
- BufferedImage bufferedImage = new BufferedImage(colorModel, colorModel.createCompatibleWritableRaster(data.width, data.height), false, null);\r
- WritableRaster raster = bufferedImage.getRaster();\r
- int[] pixelArray = new int[4];\r
- for (int y = 0; y < data.height; y++) {\r
- for (int x = 0; x < data.width; x++) {\r
- int pixel = data.getPixel(x, y);\r
- RGB rgb = palette.getRGB(pixel);\r
- pixelArray[0] = rgb.red;\r
- pixelArray[1] = rgb.green;\r
- pixelArray[2] = rgb.blue;\r
- pixelArray[3] = data.getAlpha(x, y);\r
- raster.setPixels(x, y, 1, 1, pixelArray);\r
- }\r
- }\r
- return bufferedImage;\r
- } else {\r
- // FIXME: this does not work with 16bit images (colors are wrong)\r
- colorModel = new DirectColorModel(data.depth, palette.redMask, palette.greenMask, palette.blueMask);\r
- BufferedImage bufferedImage = new BufferedImage(colorModel, colorModel.createCompatibleWritableRaster(data.width, data.height), false, null);\r
- WritableRaster raster = bufferedImage.getRaster();\r
- int[] pixelArray = new int[3];\r
- for (int y = 0; y < data.height; y++) {\r
- for (int x = 0; x < data.width; x++) {\r
- int pixel = data.getPixel(x, y);\r
- RGB rgb = palette.getRGB(pixel);\r
- pixelArray[0] = rgb.red;\r
- pixelArray[1] = rgb.green;\r
- pixelArray[2] = rgb.blue;\r
- raster.setPixels(x, y, 1, 1, pixelArray);\r
- }\r
- }\r
- return bufferedImage;\r
- }\r
- } else {\r
- RGB[] rgbs = palette.getRGBs();\r
- byte[] red = new byte[rgbs.length];\r
- byte[] green = new byte[rgbs.length];\r
- byte[] blue = new byte[rgbs.length];\r
- for (int i = 0; i < rgbs.length; i++) {\r
- RGB rgb = rgbs[i];\r
- red[i] = (byte) rgb.red;\r
- green[i] = (byte) rgb.green;\r
- blue[i] = (byte) rgb.blue;\r
- }\r
- if (data.transparentPixel != -1) {\r
- colorModel = new IndexColorModel(data.depth, rgbs.length, red, green, blue, data.transparentPixel);\r
- } else {\r
- colorModel = new IndexColorModel(data.depth, rgbs.length, red, green, blue);\r
- }\r
- BufferedImage bufferedImage = new BufferedImage(colorModel, colorModel.createCompatibleWritableRaster(data.width, data.height), false, null);\r
- WritableRaster raster = bufferedImage.getRaster();\r
- int[] pixelArray = new int[1];\r
- for (int y = 0; y < data.height; y++) {\r
- for (int x = 0; x < data.width; x++) {\r
- int pixel = data.getPixel(x, y);\r
- pixelArray[0] = pixel;\r
- raster.setPixel(x, y, pixelArray);\r
- }\r
- }\r
- return bufferedImage;\r
- }\r
- }\r
-\r
- public static ImageData convertToSWT(BufferedImage bufferedImage) {\r
- if (bufferedImage.getColorModel() instanceof DirectColorModel) {\r
- DirectColorModel colorModel = (DirectColorModel) bufferedImage.getColorModel();\r
- PaletteData palette = new PaletteData(colorModel.getRedMask(), colorModel.getGreenMask(), colorModel.getBlueMask());\r
- ImageData data = new ImageData(bufferedImage.getWidth(), bufferedImage.getHeight(), colorModel.getPixelSize(), palette);\r
- WritableRaster raster = bufferedImage.getRaster();\r
- int[] pixelArray = { 0, 0, 0, 255 };\r
- for (int y = 0; y < data.height; y++) {\r
- for (int x = 0; x < data.width; x++) {\r
- raster.getPixel(x, y, pixelArray);\r
- int pixel = palette.getPixel(new RGB(pixelArray[0], pixelArray[1], pixelArray[2]));\r
- data.setPixel(x, y, pixel);\r
- data.setAlpha(x, y, pixelArray[3]);\r
- }\r
- }\r
- return data;\r
- } else if (bufferedImage.getColorModel() instanceof IndexColorModel) {\r
- IndexColorModel colorModel = (IndexColorModel) bufferedImage.getColorModel();\r
- int size = colorModel.getMapSize();\r
- byte[] reds = new byte[size];\r
- byte[] greens = new byte[size];\r
- byte[] blues = new byte[size];\r
- colorModel.getReds(reds);\r
- colorModel.getGreens(greens);\r
- colorModel.getBlues(blues);\r
- RGB[] rgbs = new RGB[size];\r
- for (int i = 0; i < rgbs.length; i++) {\r
- rgbs[i] = new RGB(reds[i] & 0xFF, greens[i] & 0xFF, blues[i] & 0xFF);\r
- }\r
- PaletteData palette = new PaletteData(rgbs);\r
- ImageData data = new ImageData(bufferedImage.getWidth(), bufferedImage.getHeight(), colorModel.getPixelSize(), palette);\r
- data.transparentPixel = colorModel.getTransparentPixel();\r
- WritableRaster raster = bufferedImage.getRaster();\r
- int[] pixelArray = new int[1];\r
- for (int y = 0; y < data.height; y++) {\r
- for (int x = 0; x < data.width; x++) {\r
- raster.getPixel(x, y, pixelArray);\r
- data.setPixel(x, y, pixelArray[0]);\r
- }\r
- }\r
- return data;\r
- } else if (bufferedImage.getColorModel() instanceof ComponentColorModel) {\r
- // works with BufferedImage.TYPE_3BYTE_BGR\r
- ComponentColorModel colorModel = (ComponentColorModel)bufferedImage.getColorModel();\r
- PaletteData palette = new PaletteData(0xFF0000, 0x00FF00, 0x0000FF);\r
- ImageData data = new ImageData(bufferedImage.getWidth(), bufferedImage.getHeight(), colorModel.getPixelSize(), palette);\r
- WritableRaster raster = bufferedImage.getRaster();\r
- int[] pixelArray = { 0, 0, 0, 255 };\r
- for (int y = 0; y < data.height; y++) {\r
- for (int x = 0; x < data.width; x++) {\r
- raster.getPixel(x, y, pixelArray);\r
- int pixel = palette.getPixel(new RGB(pixelArray[0], pixelArray[1], pixelArray[2]));\r
- data.setPixel(x, y, pixel);\r
- data.setAlpha(x, y, pixelArray[3]);\r
- }\r
- }\r
- return data;\r
- }\r
- return null;\r
- }\r
-\r
- /**\r
- * Creates ImageData from RGBA byte array\r
- * \r
- * @param width width of the image\r
- * @param height height of the image\r
- * @param data data of the image\r
- * @return <code>ImageData</code>\r
- */\r
- public static ImageData _getImageDataFromRGBA(int width, int height, byte[] data) {\r
- // these seem to do nothing, r and b channels are flipped anyways\r
- int redMask = 0x0000ff00;\r
- int greenMask = 0x00ff0000;\r
- int blueMask = 0xff000000;\r
- PaletteData paletteData = new PaletteData(redMask, greenMask, blueMask);\r
- // flipping r and b channels\r
- int maxByte = width * height * 4;\r
- byte t;\r
- for (int i = 0; i < maxByte; i += 4) {\r
- t = data[i];\r
- data[i] = data[i + 2];\r
- data[i + 2] = t;\r
- }\r
- ImageData imageData = new ImageData(width, height, 32, paletteData, 4, data);\r
- // TODO add alpha channel\r
- // imageData.alphaData = xyz\r
- return imageData;\r
- }\r
- \r
- \r
- /**\r
- * Converts ImageData to RGB(A) ByteBuffer\r
- * @param imageData\r
- * @param buffer\r
- */\r
- public static void convertToRGBA(ImageData imageData, ByteBuffer buffer) {\r
- int width = imageData.width;\r
- int height = imageData.height;\r
- if (!imageData.palette.isDirect || imageData.depth != 24) {\r
- ImageUtils.convertPaletteToRGB24(imageData);\r
- }\r
- boolean hasAlpha = false;\r
- if (imageData.alphaData != null) {\r
- hasAlpha = true;\r
- }\r
- int index;\r
- RGB rgb;\r
- for (int j = 0; j < height; j++) {\r
- for (int i = 0; i < width; i++) {\r
- index = j*width + i;\r
- rgb = imageData.palette.getRGB(imageData.getPixel(i, j));\r
- buffer.put((byte)rgb.red);\r
- buffer.put((byte)rgb.green);\r
- buffer.put((byte)rgb.blue);\r
- if (hasAlpha) {\r
- buffer.put(imageData.alphaData[index]);\r
- }\r
- }\r
- }\r
- \r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+/*
+ * Created on 12.11.2005
+ * @author Toni Kalajainen
+ */
+package org.simantics.utils.ui.gfx;
+
+import java.awt.image.BufferedImage;
+import java.awt.image.ColorModel;
+import java.awt.image.ComponentColorModel;
+import java.awt.image.DirectColorModel;
+import java.awt.image.IndexColorModel;
+import java.awt.image.WritableRaster;
+import java.nio.ByteBuffer;
+
+import org.eclipse.swt.graphics.ImageData;
+import org.eclipse.swt.graphics.PaletteData;
+import org.eclipse.swt.graphics.RGB;
+
+public class ImageUtils {
+
+ public final static PaletteData RGB24 = new PaletteData(0xff, 0xff00, 0xff0000);
+
+ public static ImageData convertPaletteToRGB24(ImageData data) {
+ return convertPalette(data, RGB24, 24);
+ }
+
+ /**
+ * Converts image data to RGB format
+ *
+ * @param data source data
+ * @return result data
+ */
+ public static ImageData convertPalette(ImageData data, PaletteData newPalette, int newDepth) {
+ if (paletteDataEquals(data.palette, newPalette))
+ return data;
+ ImageData result = new ImageData(data.width, data.height, newDepth, newPalette);
+ boolean hasAlpha = data.alphaData != null;
+ int width = data.width;
+ int height = data.height;
+ // Very slow operation
+ for (int y = 0; y < height; y++)
+ for (int x = 0; x < width; x++) {
+ // convert RGBs
+ RGB rgb = data.palette.getRGB(data.getPixel(x, y));
+ result.setPixel(x, y, result.palette.getPixel(rgb));
+
+ // convert alpha
+ if (hasAlpha) {
+ int alpha = data.getAlpha(x, y);
+ result.setAlpha(x, y, alpha);
+ }
+ }
+ return result;
+ }
+
+ /**
+ * Convert Device-independent image data format from one format to another.
+ *
+ * @param sourceImage source image, it must contain image data
+ * @param destImage destination image, it must be empty image
+ */
+ // public static void convertImageData(ImageData sourceImage, ImageData
+ // destImage) {
+ // int swid = sourceImage.width;
+ // int shei = sourceImage.height;
+ // int dwid = destImage.width;
+ // int dhei = destImage.height;
+ //
+ // // resize
+ // if (swid!=dwid || shei!=dhei)
+ // sourceImage = sourceImage.scaledTo(dwid, dhei);
+ //
+ // // Convert palette
+ // PaletteData spal = sourceImage.palette;
+ // PaletteData dpal = destImage.palette;
+ // }
+ public static boolean paletteDataEquals(PaletteData p1, PaletteData p2) {
+ if (p1.isDirect != p2.isDirect)
+ return false;
+ if (!p1.isDirect) {
+ RGB rgb1[] = p1.colors;
+ RGB rgb2[] = p2.colors;
+ if (rgb1.length != rgb2.length)
+ return false;
+ for (int i = 0; i < rgb1.length; i++)
+ if (rgb1[i].blue != rgb2[i].blue || rgb1[i].green != rgb2[i].green || rgb1[i].red != rgb2[i].red)
+ return false;
+ return true;
+ }
+
+ if (p1.blueMask != p2.blueMask)
+ return false;
+ if (p1.blueShift != p2.blueShift)
+ return false;
+ if (p1.greenMask != p2.greenShift)
+ return false;
+ if (p1.greenMask != p2.greenMask)
+ return false;
+ if (p1.redMask != p2.redMask)
+ return false;
+ if (p1.redShift != p2.redShift)
+ return false;
+
+ return true;
+ }
+
+ // ks. org.eclipse.gmf.runtime.draw2d.ui.render.image.ImageConverter
+ // Sama toiminnallisuus, mutta GMF riippuvuus
+ public static BufferedImage convertToAWT(ImageData data) {
+ ColorModel colorModel = null;
+ PaletteData palette = data.palette;
+ if (palette.isDirect) {
+ // has alpha and is 24bit (others are not supported)
+ if (data.alphaData != null && data.depth==24) {
+ colorModel = new DirectColorModel(data.depth+8, palette.redMask, palette.greenMask, palette.blueMask, 0xff000000);
+ BufferedImage bufferedImage = new BufferedImage(colorModel, colorModel.createCompatibleWritableRaster(data.width, data.height), false, null);
+ WritableRaster raster = bufferedImage.getRaster();
+ int[] pixelArray = new int[4];
+ for (int y = 0; y < data.height; y++) {
+ for (int x = 0; x < data.width; x++) {
+ int pixel = data.getPixel(x, y);
+ RGB rgb = palette.getRGB(pixel);
+ pixelArray[0] = rgb.red;
+ pixelArray[1] = rgb.green;
+ pixelArray[2] = rgb.blue;
+ pixelArray[3] = data.getAlpha(x, y);
+ raster.setPixels(x, y, 1, 1, pixelArray);
+ }
+ }
+ return bufferedImage;
+ } else {
+ // FIXME: this does not work with 16bit images (colors are wrong)
+ colorModel = new DirectColorModel(data.depth, palette.redMask, palette.greenMask, palette.blueMask);
+ BufferedImage bufferedImage = new BufferedImage(colorModel, colorModel.createCompatibleWritableRaster(data.width, data.height), false, null);
+ WritableRaster raster = bufferedImage.getRaster();
+ int[] pixelArray = new int[3];
+ for (int y = 0; y < data.height; y++) {
+ for (int x = 0; x < data.width; x++) {
+ int pixel = data.getPixel(x, y);
+ RGB rgb = palette.getRGB(pixel);
+ pixelArray[0] = rgb.red;
+ pixelArray[1] = rgb.green;
+ pixelArray[2] = rgb.blue;
+ raster.setPixels(x, y, 1, 1, pixelArray);
+ }
+ }
+ return bufferedImage;
+ }
+ } else {
+ RGB[] rgbs = palette.getRGBs();
+ byte[] red = new byte[rgbs.length];
+ byte[] green = new byte[rgbs.length];
+ byte[] blue = new byte[rgbs.length];
+ for (int i = 0; i < rgbs.length; i++) {
+ RGB rgb = rgbs[i];
+ red[i] = (byte) rgb.red;
+ green[i] = (byte) rgb.green;
+ blue[i] = (byte) rgb.blue;
+ }
+ if (data.transparentPixel != -1) {
+ colorModel = new IndexColorModel(data.depth, rgbs.length, red, green, blue, data.transparentPixel);
+ } else {
+ colorModel = new IndexColorModel(data.depth, rgbs.length, red, green, blue);
+ }
+ BufferedImage bufferedImage = new BufferedImage(colorModel, colorModel.createCompatibleWritableRaster(data.width, data.height), false, null);
+ WritableRaster raster = bufferedImage.getRaster();
+ int[] pixelArray = new int[1];
+ for (int y = 0; y < data.height; y++) {
+ for (int x = 0; x < data.width; x++) {
+ int pixel = data.getPixel(x, y);
+ pixelArray[0] = pixel;
+ raster.setPixel(x, y, pixelArray);
+ }
+ }
+ return bufferedImage;
+ }
+ }
+
+ public static ImageData convertToSWT(BufferedImage bufferedImage) {
+ if (bufferedImage.getColorModel() instanceof DirectColorModel) {
+ DirectColorModel colorModel = (DirectColorModel) bufferedImage.getColorModel();
+ PaletteData palette = new PaletteData(colorModel.getRedMask(), colorModel.getGreenMask(), colorModel.getBlueMask());
+ ImageData data = new ImageData(bufferedImage.getWidth(), bufferedImage.getHeight(), colorModel.getPixelSize(), palette);
+ WritableRaster raster = bufferedImage.getRaster();
+ int[] pixelArray = { 0, 0, 0, 255 };
+ for (int y = 0; y < data.height; y++) {
+ for (int x = 0; x < data.width; x++) {
+ raster.getPixel(x, y, pixelArray);
+ int pixel = palette.getPixel(new RGB(pixelArray[0], pixelArray[1], pixelArray[2]));
+ data.setPixel(x, y, pixel);
+ data.setAlpha(x, y, pixelArray[3]);
+ }
+ }
+ return data;
+ } else if (bufferedImage.getColorModel() instanceof IndexColorModel) {
+ IndexColorModel colorModel = (IndexColorModel) bufferedImage.getColorModel();
+ int size = colorModel.getMapSize();
+ byte[] reds = new byte[size];
+ byte[] greens = new byte[size];
+ byte[] blues = new byte[size];
+ colorModel.getReds(reds);
+ colorModel.getGreens(greens);
+ colorModel.getBlues(blues);
+ RGB[] rgbs = new RGB[size];
+ for (int i = 0; i < rgbs.length; i++) {
+ rgbs[i] = new RGB(reds[i] & 0xFF, greens[i] & 0xFF, blues[i] & 0xFF);
+ }
+ PaletteData palette = new PaletteData(rgbs);
+ ImageData data = new ImageData(bufferedImage.getWidth(), bufferedImage.getHeight(), colorModel.getPixelSize(), palette);
+ data.transparentPixel = colorModel.getTransparentPixel();
+ WritableRaster raster = bufferedImage.getRaster();
+ int[] pixelArray = new int[1];
+ for (int y = 0; y < data.height; y++) {
+ for (int x = 0; x < data.width; x++) {
+ raster.getPixel(x, y, pixelArray);
+ data.setPixel(x, y, pixelArray[0]);
+ }
+ }
+ return data;
+ } else if (bufferedImage.getColorModel() instanceof ComponentColorModel) {
+ // works with BufferedImage.TYPE_3BYTE_BGR
+ ComponentColorModel colorModel = (ComponentColorModel)bufferedImage.getColorModel();
+ PaletteData palette = new PaletteData(0xFF0000, 0x00FF00, 0x0000FF);
+ ImageData data = new ImageData(bufferedImage.getWidth(), bufferedImage.getHeight(), colorModel.getPixelSize(), palette);
+ WritableRaster raster = bufferedImage.getRaster();
+ int[] pixelArray = { 0, 0, 0, 255 };
+ for (int y = 0; y < data.height; y++) {
+ for (int x = 0; x < data.width; x++) {
+ raster.getPixel(x, y, pixelArray);
+ int pixel = palette.getPixel(new RGB(pixelArray[0], pixelArray[1], pixelArray[2]));
+ data.setPixel(x, y, pixel);
+ data.setAlpha(x, y, pixelArray[3]);
+ }
+ }
+ return data;
+ }
+ return null;
+ }
+
+ /**
+ * Creates ImageData from RGBA byte array
+ *
+ * @param width width of the image
+ * @param height height of the image
+ * @param data data of the image
+ * @return <code>ImageData</code>
+ */
+ public static ImageData _getImageDataFromRGBA(int width, int height, byte[] data) {
+ // these seem to do nothing, r and b channels are flipped anyways
+ int redMask = 0x0000ff00;
+ int greenMask = 0x00ff0000;
+ int blueMask = 0xff000000;
+ PaletteData paletteData = new PaletteData(redMask, greenMask, blueMask);
+ // flipping r and b channels
+ int maxByte = width * height * 4;
+ byte t;
+ for (int i = 0; i < maxByte; i += 4) {
+ t = data[i];
+ data[i] = data[i + 2];
+ data[i + 2] = t;
+ }
+ ImageData imageData = new ImageData(width, height, 32, paletteData, 4, data);
+ // TODO add alpha channel
+ // imageData.alphaData = xyz
+ return imageData;
+ }
+
+
+ /**
+ * Converts ImageData to RGB(A) ByteBuffer
+ * @param imageData
+ * @param buffer
+ */
+ public static void convertToRGBA(ImageData imageData, ByteBuffer buffer) {
+ int width = imageData.width;
+ int height = imageData.height;
+ if (!imageData.palette.isDirect || imageData.depth != 24) {
+ ImageUtils.convertPaletteToRGB24(imageData);
+ }
+ boolean hasAlpha = false;
+ if (imageData.alphaData != null) {
+ hasAlpha = true;
+ }
+ int index;
+ RGB rgb;
+ for (int j = 0; j < height; j++) {
+ for (int i = 0; i < width; i++) {
+ index = j*width + i;
+ rgb = imageData.palette.getRGB(imageData.getPixel(i, j));
+ buffer.put((byte)rgb.red);
+ buffer.put((byte)rgb.green);
+ buffer.put((byte)rgb.blue);
+ if (hasAlpha) {
+ buffer.put(imageData.alphaData[index]);
+ }
+ }
+ }
+
+ }
+
+}
Code Review / simantics / platform.git / blobdiff