From fb2412d1b151385f878ba9608dc46bc5fa4e9eb9 Mon Sep 17 00:00:00 2001 From: "nor..67" Date: Wed, 31 Oct 2012 01:28:24 +0000 Subject: [PATCH] - move cursor loader to desktop package due to awt dependence git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9926 75d07b2b-3a1a-0410-a2c5-0572b91ccdca --- .../jme3/cursors/plugins/CursorLoader.java | 739 ++++++++++++++++++ .../com/jme3/cursors/plugins/JmeCursor.java | 182 +++++ 2 files changed, 921 insertions(+) create mode 100644 engine/src/desktop/com/jme3/cursors/plugins/CursorLoader.java create mode 100644 engine/src/desktop/com/jme3/cursors/plugins/JmeCursor.java diff --git a/engine/src/desktop/com/jme3/cursors/plugins/CursorLoader.java b/engine/src/desktop/com/jme3/cursors/plugins/CursorLoader.java new file mode 100644 index 000000000..c49c31834 --- /dev/null +++ b/engine/src/desktop/com/jme3/cursors/plugins/CursorLoader.java @@ -0,0 +1,739 @@ +/* + * Copyright (c) 2009-2012 jMonkeyEngine + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of 'jMonkeyEngine' nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +package com.jme3.cursors.plugins; + +import com.jme3.asset.AssetInfo; +import com.jme3.asset.AssetKey; +import com.jme3.asset.AssetLoader; +import com.jme3.util.BufferUtils; +import com.jme3.util.LittleEndien; +import java.awt.geom.AffineTransform; +import java.awt.image.AffineTransformOp; +import java.awt.image.BufferedImage; +import java.awt.image.DataBufferInt; +import java.io.ByteArrayInputStream; +import java.io.DataInput; +import java.io.DataInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.nio.IntBuffer; +import java.util.ArrayList; +import javax.imageio.ImageIO; + +/** + * + * @author MadJack + * @creation Jun 5, 2012 9:45:58 AM + */ +public class CursorLoader implements AssetLoader { + + private boolean isIco; + private boolean isAni; + + /** + * Loads and return a cursor file of one of the following format: .ani, .cur and .ico. + * @param info The {@link AssetInfo} describing the cursor file. + * @return A JmeCursor representation of the LWJGL's Cursor. + * @throws IOException if the file is not found. + */ + public JmeCursor load(AssetInfo info) throws IOException { + + isIco = false; + isAni = false; + + isIco = ((AssetKey) info.getKey()).getExtension().equals("ico"); + if (!isIco) { + isIco = ((AssetKey) info.getKey()).getExtension().equals("cur"); + if (!isIco) { + isAni = ((AssetKey) info.getKey()).getExtension().equals("ani"); + } + } + if (!isAni && !isIco) { + throw new IllegalArgumentException("Cursors supported are .ico, .cur or .ani"); + } + + InputStream in = null; + try { + in = info.openStream(); + return loadCursor(in); + } finally { + if (in != null) { + in.close(); + } + } + } + + private JmeCursor loadCursor(InputStream inStream) throws IOException { + + byte[] icoimages = new byte[0]; // new byte [0] facilitates read() + + if (isAni) { + CursorImageData ciDat = new CursorImageData(); + int numIcons = 0; + int jiffy = 0; + // not using those but keeping references for now. + int steps = 0; + int width = 0; + int height = 0; + int flag = 0; // we don't use that. + int[] rate = null; + int[] animSeq = null; + ArrayList icons; + + DataInput leIn = new LittleEndien(inStream); + int riff = leIn.readInt(); + if (riff == 0x46464952) { // RIFF + // read next int (file length), discarding it, we don't need that. + leIn.readInt(); + + int nextInt = 0; + + nextInt = getNext(leIn); + if (nextInt == 0x4e4f4341) { + // We have ACON, we do nothing +// System.out.println("We have ACON. Next!"); + nextInt = getNext(leIn); + while (nextInt >= 0) { + if (nextInt == 0x68696e61) { +// System.out.println("we have 'anih' header"); + leIn.skipBytes(8); // internal struct length (always 36) + numIcons = leIn.readInt(); + steps = leIn.readInt(); // number of blits for ani cycles + width = leIn.readInt(); + height = leIn.readInt(); + leIn.skipBytes(8); + jiffy = leIn.readInt(); + flag = leIn.readInt(); + nextInt = leIn.readInt(); + } else if (nextInt == 0x65746172) { // found a 'rate' of animation +// System.out.println("we have 'rate'."); + // Fill rate here. + // Rate is synchronous with frames. + int length = leIn.readInt(); + rate = new int[length / 4]; + for (int i = 0; i < length / 4; i++) { + rate[i] = leIn.readInt(); + } + nextInt = leIn.readInt(); + } else if (nextInt == 0x20716573) { // found a 'seq ' of animation +// System.out.println("we have 'seq '."); + // Fill animation sequence here + int length = leIn.readInt(); + animSeq = new int[length / 4]; + for (int i = 0; i < length / 4; i++) { + animSeq[i] = leIn.readInt(); + } + nextInt = leIn.readInt(); + } else if (nextInt == 0x5453494c) { // Found a LIST +// System.out.println("we have 'LIST'."); + int length = leIn.readInt(); + nextInt = leIn.readInt(); + if (nextInt == 0x4f464e49) { // Got an INFO, skip its length + // this part consist of Author, title, etc + leIn.skipBytes(length - 4); +// System.out.println(" Discarding INFO (skipped = " + skipped + ")"); + nextInt = leIn.readInt(); + } else if (nextInt == 0x6d617266) { // found a 'fram' for animation +// System.out.println("we have 'fram'."); + if (leIn.readInt() == 0x6e6f6369) { // we have 'icon' + // We have an icon and from this point on + // the rest is only icons. + int icoLength = leIn.readInt(); + ciDat.numImages = numIcons; + icons = new ArrayList(numIcons); + for (int i = 0; i < numIcons; i++) { + if (i > 0) { + // skip 'icon' header and length as they are + // known already and won't change. + leIn.skipBytes(8); + } + byte[] data = new byte[icoLength]; + ((InputStream) leIn).read(data, 0, icoLength); + // in case the header didn't have width or height + // get it from first image. + if (width == 0 || height == 0 && i == 1) { + width = data[6]; + height = data[7]; + } + icons.add(data); + } + // at this point we have the icons, rates (either + // through jiffy or rate array, the sequence (if + // applicable) and the ani header info. + // Put things together. + ciDat.assembleCursor(icons, rate, animSeq, jiffy, steps, width, height); + ciDat.completeCursor(); + nextInt = leIn.readInt(); + // if for some reason there's JUNK (nextInt > -1) + // bail out. + nextInt = nextInt > -1 ? -1 : nextInt; + } + } + } + } + } + return setJmeCursor(ciDat); + + } else if (riff == 0x58464952) { + throw new IllegalArgumentException("Big-Endian RIFX is not supported. Sorry."); + } else { + throw new IllegalArgumentException("Unknown format."); + } + } else if (isIco) { + DataInputStream in = new DataInputStream(inStream); + int bytesToRead; + while ((bytesToRead = in.available()) != 0) { + byte[] icoimage2 = new byte[icoimages.length + bytesToRead]; + System.arraycopy(icoimages, 0, icoimage2, 0, icoimages.length); + in.read(icoimage2, icoimages.length, bytesToRead); + icoimages = icoimage2; + } + } + + BufferedImage bi[] = parseICOImage(icoimages); + CursorImageData cid = new CursorImageData(bi, 0, 0, 0, 0); + cid.completeCursor(); + + return setJmeCursor(cid); + } + + private JmeCursor setJmeCursor(CursorImageData cid) { + JmeCursor jmeCursor = new JmeCursor(); + + // set cursor's params. + jmeCursor.setWidth(cid.width); + jmeCursor.setHeight(cid.height); + jmeCursor.setxHotSpot(cid.xHotSpot); + jmeCursor.setyHotSpot(cid.yHotSpot); + jmeCursor.setNumImages(cid.numImages); + jmeCursor.setImagesDelay(cid.imgDelay); + jmeCursor.setImagesData(cid.data); +// System.out.println("Width = " + cid.width); +// System.out.println("Height = " + cid.height); +// System.out.println("HSx = " + cid.xHotSpot); +// System.out.println("HSy = " + cid.yHotSpot); +// System.out.println("# img = " + cid.numImages); + + return jmeCursor; + } + + private BufferedImage[] parseICOImage(byte[] icoimage) throws IOException { + /* + * Most of this is original code by Jeff Friesen at + * http://www.informit.com/articles/article.aspx?p=1186882&seqNum=3 + */ + + BufferedImage[] bi; + // Check resource type field. + int FDE_OFFSET = 6; // first directory entry offset + int DE_LENGTH = 16; // directory entry length + int BMIH_LENGTH = 40; // BITMAPINFOHEADER length + + if (icoimage[2] != 1 && icoimage[2] != 2 || icoimage[3] != 0) { + throw new IllegalArgumentException("Bad data in ICO/CUR file. ImageType has to be either 1 or 2."); + } + + int numImages = ubyte(icoimage[5]); + numImages <<= 8; + numImages |= icoimage[4]; + bi = new BufferedImage[numImages]; + int[] colorCount = new int[numImages]; + + for (int i = 0; i < numImages; i++) { + int width = ubyte(icoimage[FDE_OFFSET + i * DE_LENGTH]); + + int height = ubyte(icoimage[FDE_OFFSET + i * DE_LENGTH + 1]); + + colorCount[i] = ubyte(icoimage[FDE_OFFSET + i * DE_LENGTH + 2]); + + int bytesInRes = ubyte(icoimage[FDE_OFFSET + i * DE_LENGTH + 11]); + bytesInRes <<= 8; + bytesInRes |= ubyte(icoimage[FDE_OFFSET + i * DE_LENGTH + 10]); + bytesInRes <<= 8; + bytesInRes |= ubyte(icoimage[FDE_OFFSET + i * DE_LENGTH + 9]); + bytesInRes <<= 8; + bytesInRes |= ubyte(icoimage[FDE_OFFSET + i * DE_LENGTH + 8]); + + int imageOffset = ubyte(icoimage[FDE_OFFSET + i * DE_LENGTH + 15]); + imageOffset <<= 8; + imageOffset |= ubyte(icoimage[FDE_OFFSET + i * DE_LENGTH + 14]); + imageOffset <<= 8; + imageOffset |= ubyte(icoimage[FDE_OFFSET + i * DE_LENGTH + 13]); + imageOffset <<= 8; + imageOffset |= ubyte(icoimage[FDE_OFFSET + i * DE_LENGTH + 12]); + + if (icoimage[imageOffset] == 40 + && icoimage[imageOffset + 1] == 0 + && icoimage[imageOffset + 2] == 0 + && icoimage[imageOffset + 3] == 0) { + // BITMAPINFOHEADER detected + + int _width = ubyte(icoimage[imageOffset + 7]); + _width <<= 8; + _width |= ubyte(icoimage[imageOffset + 6]); + _width <<= 8; + _width |= ubyte(icoimage[imageOffset + 5]); + _width <<= 8; + _width |= ubyte(icoimage[imageOffset + 4]); + + // If width is 0 (for 256 pixels or higher), _width contains + // actual width. + + if (width == 0) { + width = _width; + } + + int _height = ubyte(icoimage[imageOffset + 11]); + _height <<= 8; + _height |= ubyte(icoimage[imageOffset + 10]); + _height <<= 8; + _height |= ubyte(icoimage[imageOffset + 9]); + _height <<= 8; + _height |= ubyte(icoimage[imageOffset + 8]); + + // If height is 0 (for 256 pixels or higher), _height contains + // actual height times 2. + + if (height == 0) { + height = _height >> 1; // Divide by 2. + } + int planes = ubyte(icoimage[imageOffset + 13]); + planes <<= 8; + planes |= ubyte(icoimage[imageOffset + 12]); + + int bitCount = ubyte(icoimage[imageOffset + 15]); + bitCount <<= 8; + bitCount |= ubyte(icoimage[imageOffset + 14]); + + // If colorCount [i] is 0, the number of colors is determined + // from the planes and bitCount values. For example, the number + // of colors is 256 when planes is 1 and bitCount is 8. Leave + // colorCount [i] set to 0 when planes is 1 and bitCount is 32. + + if (colorCount[i] == 0) { + if (planes == 1) { + if (bitCount == 1) { + colorCount[i] = 2; + } else if (bitCount == 4) { + colorCount[i] = 16; + } else if (bitCount == 8) { + colorCount[i] = 256; + } else if (bitCount != 32) { + colorCount[i] = (int) Math.pow(2, bitCount); + } + } else { + colorCount[i] = (int) Math.pow(2, bitCount * planes); + } + } + + bi[i] = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); + + // Parse image to image buffer. + + int colorTableOffset = imageOffset + BMIH_LENGTH; + + if (colorCount[i] == 2) { + int xorImageOffset = colorTableOffset + 2 * 4; + + int scanlineBytes = calcScanlineBytes(width, 1); + int andImageOffset = xorImageOffset + scanlineBytes * height; + + int[] masks = {128, 64, 32, 16, 8, 4, 2, 1}; + + for (int row = 0; row < height; row++) { + for (int col = 0; col < width; col++) { + int index; + + if ((ubyte(icoimage[xorImageOffset + row + * scanlineBytes + col / 8]) + & masks[col % 8]) != 0) { + index = 1; + } else { + index = 0; + } + + int rgb = 0; + rgb |= (ubyte(icoimage[colorTableOffset + index * 4 + + 2])); + rgb <<= 8; + rgb |= (ubyte(icoimage[colorTableOffset + index * 4 + + 1])); + rgb <<= 8; + rgb |= (ubyte(icoimage[colorTableOffset + index + * 4])); + + if ((ubyte(icoimage[andImageOffset + row + * scanlineBytes + col / 8]) + & masks[col % 8]) != 0) { + bi[i].setRGB(col, height - 1 - row, rgb); + } else { + bi[i].setRGB(col, height - 1 - row, + 0xff000000 | rgb); + } + } + } + } else if (colorCount[i] == 16) { + int xorImageOffset = colorTableOffset + 16 * 4; + + int scanlineBytes = calcScanlineBytes(width, 4); + int andImageOffset = xorImageOffset + scanlineBytes * height; + + int[] masks = {128, 64, 32, 16, 8, 4, 2, 1}; + + for (int row = 0; row < height; row++) { + for (int col = 0; col < width; col++) { + int index; + if ((col & 1) == 0) // even + { + index = ubyte(icoimage[xorImageOffset + row + * scanlineBytes + col / 2]); + index >>= 4; + } else { + index = ubyte(icoimage[xorImageOffset + row + * scanlineBytes + col / 2]) + & 15; + } + + int rgb = 0; + rgb |= (ubyte(icoimage[colorTableOffset + index * 4 + + 2])); + rgb <<= 8; + rgb |= (ubyte(icoimage[colorTableOffset + index * 4 + + 1])); + rgb <<= 8; + rgb |= (ubyte(icoimage[colorTableOffset + index + * 4])); + + if ((ubyte(icoimage[andImageOffset + row + * calcScanlineBytes(width, 1) + + col / 8]) & masks[col % 8]) + != 0) { + bi[i].setRGB(col, height - 1 - row, rgb); + } else { + bi[i].setRGB(col, height - 1 - row, + 0xff000000 | rgb); + } + } + } + } else if (colorCount[i] == 256) { + int xorImageOffset = colorTableOffset + 256 * 4; + + int scanlineBytes = calcScanlineBytes(width, 8); + int andImageOffset = xorImageOffset + scanlineBytes * height; + + int[] masks = {128, 64, 32, 16, 8, 4, 2, 1}; + + for (int row = 0; row < height; row++) { + for (int col = 0; col < width; col++) { + int index; + index = ubyte(icoimage[xorImageOffset + row + * scanlineBytes + col]); + + int rgb = 0; + rgb |= (ubyte(icoimage[colorTableOffset + index * 4 + + 2])); + rgb <<= 8; + rgb |= (ubyte(icoimage[colorTableOffset + index * 4 + + 1])); + rgb <<= 8; + rgb |= (ubyte(icoimage[colorTableOffset + index * 4])); + + if ((ubyte(icoimage[andImageOffset + row + * calcScanlineBytes(width, 1) + + col / 8]) & masks[col % 8]) + != 0) { + bi[i].setRGB(col, height - 1 - row, rgb); + } else { + bi[i].setRGB(col, height - 1 - row, + 0xff000000 | rgb); + } + } + } + } else if (colorCount[i] == 0) { + int scanlineBytes = calcScanlineBytes(width, 32); + + for (int row = 0; row < height; row++) { + for (int col = 0; col < width; col++) { + int rgb = ubyte(icoimage[colorTableOffset + row + * scanlineBytes + col * 4 + 3]); + rgb <<= 8; + rgb |= ubyte(icoimage[colorTableOffset + row + * scanlineBytes + col * 4 + 2]); + rgb <<= 8; + rgb |= ubyte(icoimage[colorTableOffset + row + * scanlineBytes + col * 4 + 1]); + rgb <<= 8; + rgb |= ubyte(icoimage[colorTableOffset + row + * scanlineBytes + col * 4]); + + bi[i].setRGB(col, height - 1 - row, rgb); + } + } + } + } else if (ubyte(icoimage[imageOffset]) == 0x89 + && icoimage[imageOffset + 1] == 0x50 + && icoimage[imageOffset + 2] == 0x4e + && icoimage[imageOffset + 3] == 0x47 + && icoimage[imageOffset + 4] == 0x0d + && icoimage[imageOffset + 5] == 0x0a + && icoimage[imageOffset + 6] == 0x1a + && icoimage[imageOffset + 7] == 0x0a) { + // PNG detected + + ByteArrayInputStream bais; + bais = new ByteArrayInputStream(icoimage, imageOffset, + bytesInRes); + bi[i] = ImageIO.read(bais); + } else { + throw new IllegalArgumentException("Bad data in ICO/CUR file. BITMAPINFOHEADER or PNG " + + "expected"); + } + } + icoimage = null; // This array can now be garbage collected. + + return bi; + } + + private int ubyte(byte b) { + return (b < 0) ? 256 + b : b; // Convert byte to unsigned byte. + } + + private int calcScanlineBytes(int width, int bitCount) { + // Calculate minimum number of double-words required to store width + // pixels where each pixel occupies bitCount bits. XOR and AND bitmaps + // are stored such that each scanline is aligned on a double-word + // boundary. + + return (((width * bitCount) + 31) / 32) * 4; + } + + private int getNext(DataInput in) throws IOException { + return in.readInt(); + } + + private class CursorImageData { + + int width; + int height; + int xHotSpot; + int yHotSpot; + int numImages; + IntBuffer imgDelay; + IntBuffer data; + + public CursorImageData() { + } + + CursorImageData(BufferedImage[] bi, int delay, int hsX, int hsY, int curType) { + // cursor type + // 0 - Undefined (an array of images inside an ICO) + // 1 - ICO + // 2 - CUR + IntBuffer singleCursor = null; + ArrayList cursors = new ArrayList(); + int bwidth = 0; + int bheight = 0; + boolean multIcons = false; + + // make the cursor image + for (int i = 0; i < bi.length; i++) { + BufferedImage img = bi[i]; + bwidth = img.getWidth(); + bheight = img.getHeight(); + if (curType == 1) { + hsX = 0; + hsY = bheight - 1; + } else if (curType == 2) { + if (hsY == 0) { + // make sure we flip if 0 + hsY = bheight - 1; + } + } else { + // We force to choose 32x32 icon from + // the array of icons in that ICO file. + if (bwidth != 32 && bheight != 32) { + multIcons = true; + continue; + } else { + if (img.getType() != 2) { + continue; + } else { + // force hotspot + hsY = bheight - 1; + } + } + } + + // We flip our image because .ICO and .CUR will always be reversed. + AffineTransform trans = AffineTransform.getScaleInstance(1, -1); + trans.translate(0, -img.getHeight(null)); + AffineTransformOp op = new AffineTransformOp(trans, AffineTransformOp.TYPE_BILINEAR); + img = op.filter(img, null); + + singleCursor = BufferUtils.createIntBuffer(img.getWidth() * img.getHeight()); + DataBufferInt dataIntBuf = (DataBufferInt) img.getData().getDataBuffer(); + singleCursor = IntBuffer.wrap(dataIntBuf.getData()); + cursors.add(singleCursor); + } + + int count; + if (multIcons) { + bwidth = 32; + bheight = 32; + count = 1; + } else { + count = cursors.size(); + } + // put the image in the IntBuffer + data = BufferUtils.createIntBuffer(bwidth * bheight); + imgDelay = BufferUtils.createIntBuffer(bi.length); + for (int i = 0; i < count; i++) { + data.put(cursors.get(i)); + if (delay > 0) { + imgDelay.put(delay); + } + } + width = bwidth; + height = bheight; + xHotSpot = hsX; + yHotSpot = hsY; + numImages = count; + data.rewind(); + if (imgDelay != null) { + imgDelay.rewind(); + } + } + + private void addFrame(byte[] imgData, int rate, int jiffy, int width, int height, int numSeq) throws IOException { + BufferedImage bi[] = parseICOImage(imgData); + int hotspotx = 0; + int hotspoty = 0; + int type = imgData[2] | imgData[3]; + if (type == 2) { + // CUR type, hotspot might be stored. + hotspotx = imgData[10] | imgData[11]; + hotspoty = imgData[12] | imgData[13]; + } else if (type == 1) { + // ICO type, hotspot not stored. Put at 0, height - 1 + // because it's flipped. + hotspotx = 0; + hotspoty = height - 1; + } +// System.out.println("Image type = " + (type == 1 ? "CUR" : "ICO")); + if (rate == 0) { + rate = jiffy; + } + CursorImageData cid = new CursorImageData(bi, rate, hotspotx, hotspoty, type); + if (width == 0) { + this.width = cid.width; + } else { + this.width = width; + } + if (height == 0) { + this.height = cid.height; + } else { + this.height = height; + } + if (data == null) { + if (numSeq > numImages) { + data = BufferUtils.createIntBuffer(this.width * this.height * numSeq); + } else { + data = BufferUtils.createIntBuffer(this.width * this.height * numImages); + } + data.put(cid.data); + } else { + data.put(cid.data); + } + if (imgDelay == null && (numImages > 1 || numSeq > 1)) { + if (numSeq > numImages) { + imgDelay = BufferUtils.createIntBuffer(numSeq); + } else { + imgDelay = BufferUtils.createIntBuffer(numImages); + } + imgDelay.put(cid.imgDelay); + } else if (imgData != null) { + imgDelay.put(cid.imgDelay); + } + xHotSpot = cid.xHotSpot; + yHotSpot = cid.yHotSpot; + cid = null; + } + + void assembleCursor(ArrayList icons, int[] rate, int[] animSeq, int jiffy, int steps, int width, int height) throws IOException { + // Jiffy multiplicator for LWJGL's delay, which is in milisecond. + final int MULT = 17; + numImages = icons.size(); + int frRate = 0; + byte[] frame = new byte[0]; + // if we have an animation sequence we use that + // since the sequence can be larger than the number + // of images in the ani if it reuses one or more of those + // images. + if (animSeq != null && animSeq.length > 0) { + for (int i = 0; i < animSeq.length; i++) { + if (rate != null) { + frRate = rate[i] * MULT; + } else { + frRate = jiffy * MULT; + } + // the frame # is the one in the animation sequence + frame = icons.get(animSeq[i]); + addFrame(frame, frRate, jiffy, width, height, animSeq.length); +// System.out.println("delay of " + frRate); + } + } else { + for (int i = 0; i < icons.size(); i++) { + frame = icons.get(i); + if (rate == null) { + frRate = jiffy * MULT; + } else { + frRate = rate[i] * MULT; + } + addFrame(frame, frRate, jiffy, width, height, 0); +// System.out.println("delay of " + frRate); + } + } + } + + /** + * Called to rewind the buffers after filling them. + */ + void completeCursor() { + if (numImages == 1) { + imgDelay = null; + } else { + imgDelay.rewind(); + } + data.rewind(); + } + } +} diff --git a/engine/src/desktop/com/jme3/cursors/plugins/JmeCursor.java b/engine/src/desktop/com/jme3/cursors/plugins/JmeCursor.java new file mode 100644 index 000000000..1c5f4a21d --- /dev/null +++ b/engine/src/desktop/com/jme3/cursors/plugins/JmeCursor.java @@ -0,0 +1,182 @@ +/* + * Copyright (c) 2009-2012 jMonkeyEngine + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of 'jMonkeyEngine' nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +package com.jme3.cursors.plugins; + +import java.nio.IntBuffer; + +/** + * A Jme representation of the LWJGL Cursor class. + * + * @author MadJack + * @creation Jun 6, 2012 12:12:38 PM + */ +public class JmeCursor { + + private int width; + private int height; + private int xHotSpot; + private int yHotSpot; + private int numImages; + private IntBuffer imagesData; + private IntBuffer imagesDelay; + + /** + * Queries the cursor's height. Note that + * the coordinate system is the same as OpenGL. 0, 0 being lower left. + * @return the height in pixel. + */ + public int getHeight() { + return height; + } + + /** + * Queries the cursor's images' data. + * @return An {@link IntBuffer} containing the cursor's image(s) data in + * sequence. + */ + public IntBuffer getImagesData() { + return imagesData; + } + + /** + * Queries the cursor's delay for each frame. + * @return An {@link IntBuffer} containing the cursor's delay in + * sequence. The delay is expressed in milliseconds. + */ + public IntBuffer getImagesDelay() { + return imagesDelay; + } + + /** + * Queries the number of images contained in the cursor. Static cursors should + * contain only 1 image. + * @return The number of image(s) composing the cursor. 1 if the cursor is + * static. + */ + public int getNumImages() { + return numImages; + } + + /** + * Queries the cursor's width. Note that + * the coordinate system is the same as OpenGL. 0, 0 being lower left. + * @return the width of the cursor in pixel. + */ + public int getWidth() { + return width; + } + + /** + * Queries the cursor's X hotspot coordinate. Note that + * the coordinate system is the same as OpenGL. 0, 0 being lower left. + * @return the coordinate on the cursor's X axis where the hotspot is located. + */ + public int getXHotSpot() { + return xHotSpot; + } + + /** + * Queries the cursor's Y hotspot coordinate. Note that + * the coordinate system is the same as OpenGL. 0, 0 being lower left. + * @return the coordinate on the cursor's Y axis where the hotspot is located. + */ + public int getYHotSpot() { + return yHotSpot; + } + + /** + * Sets the cursor's height. + * @param height The height of the cursor in pixels. Note that all images + * in a cursor have to be the same size. + */ + public void setHeight(int height) { + this.height = height; + } + + /** + * Sets the cursor's image(s) data. Each image data should be consecutively + * stored in the {@link IntBuffer} if more tha one image is contained in the + * cursor. + * @param imagesData the cursor's image(s) data. Each image data should be consecutively + * stored in the {@link IntBuffer} if more than one image is contained in the + * cursor. + */ + public void setImagesData(IntBuffer imagesData) { + this.imagesData = imagesData; + } + + /** + * Sets the cursor image delay for each frame of an animated cursor. If the + * cursor has no animation and consist of only 1 image, null is expected. + * @param imagesDelay + */ + public void setImagesDelay(IntBuffer imagesDelay) { + this.imagesDelay = imagesDelay; + } + + /** + * Sets the number of images in the cursor. + * @param numImages number of images in the cursor. + */ + public void setNumImages(int numImages) { + this.numImages = numImages; + } + + /** + * Sets the cursor's width. + * @param width The width of the cursor in pixels. Note that all images + * in a cursor have to be the same size. + */ + public void setWidth(int width) { + this.width = width; + } + + /** + * Sets the cursor's X coordinate for its hotspot. + * @param xHotSpot the cursor's X axis coordinate for its hotspot. Note that + * the coordinate system is the same as OpenGL. 0, 0 being lower left. + */ + public void setxHotSpot(int xHotSpot) { + this.xHotSpot = xHotSpot; + } + + /** + * Sets the cursor's Y axis coordinate for its hotspot. + * @param yHotSpot the cursor's Y axis coordinate for its hotspot. Note that + * the coordinate system is the same as OpenGL. 0, 0 being lower left. + */ + public void setyHotSpot(int yHotSpot) { + this.yHotSpot = yHotSpot; + } + + +}