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Experimental components for JavaFX 2
/**
* UtilHex.java
*
* Copyright (c) 2011-2014, JFXtras
* 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 the organization 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 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 jfxtras.labs.scene.control.gauge;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.BitSet;
import java.util.MissingResourceException;
/**
* @author Jose Pereda Llamas <jperedadnr>
* Created on : 23-jun-2012, 14:49:58
*/
public class UtilHex {
private byte[] rawData = null;
public UtilHex() {
}
public static int bytes2int(byte[] bytes){
int ret=0;
for (int i=0; i 255) {
maxLevel = 255;
}
if (minLevel > maxLevel) {
minLevel = maxLevel;
}
if (minLevel < 0) {
minLevel = 0;
}
int[] tonos = {
minLevel,
(int) ((maxLevel + minLevel) / 2),
maxLevel
};
int[] colores = {
(colorR) ? 1 : 0,
(colorG) ? 1 : 0,
(colorB) ? 1 : 0
}; // R-G-B
String fullpathBmp=(pathBmp.endsWith(".bmp")?pathBmp:pathBmp.concat(".bmp"));
InputStream bmpStream=null;
try {
// Try load bmp from this jar
bmpStream = getClass().getResourceAsStream( fullpathBmp );
if(bmpStream!=null){
// Try load bmp from another jar if the path is provided
fullpathBmp = getBmpFromJar(pathBmp);
}
}
catch(MissingResourceException mre){
}
jBMP2Panel bmp = new jBMP2Panel(fullpathBmp, colores, tonos);
try {
// 1. Open bmp and read rawData
boolean bFound=false;
if(bmpStream!=null){
bFound=bmp.getBMPImageFromStream(bmpStream);
}
else{
bFound=bmp.getBMPImage();
}
if (bFound) {
// 2. Get hex string with rawdata
rawData = bmp.BMP2MemoriaGrafica();
return true;
}
} catch (Exception e) {
System.out.println("Error with "+fullpathBmp+": "+e.getMessage());
} finally {
if(bmpStream!=null){
try{
bmpStream.close();
} catch (IOException ioe){}
}
bmp.reset();
}
return false;
}
public byte[] getRawData() {
return rawData;
}
public void resetRawData(){
rawData=null;
}
private class jBMP2Panel {
/*
* BMPLoader.
*
* JavaZOOM : [email protected]
* http://www.javazoom.net
*
*-----------------------------------------------------------------------
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as published
* by the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*----------------------------------------------------------------------
*/
private InputStream is;
private int curPos = 0;
private int bitmapOffset; // starting position of image data
private int width; // image width in pixels
private int height; // image height in pixels
private int levels = 3; // entre 1 y 4 tonos
private int[] tonos; // segun levels, entre 0-255 decimal
private int colorMask = 1; // 7(=Blue 4, Green 2, Red 1 para los tres colores) o 1 (para el Red=1)
private int numColors = 1;
private short bitsPerPixel; // 1, 4, 8, or 24 (no color map)
private int compression; // 0 (none), 1 (8-bit RLE), or 2 (4-bit RLE)
private int actualSizeOfBitmap;
private int scanLineSize;
private int actualColorsUsed;
private byte r[], g[], b[]; // color palette
private int noOfEntries;
private byte[] byteData; // Unpacked data
private int[] intData; // Unpacked data
private byte[] m_RawData = null; // the raw bmp data
private String m_sFullPath = null;
public jBMP2Panel(String fullPath, int[] colores, int[] tonos) {
m_sFullPath = fullPath;
this.tonos = tonos;
levels = tonos.length;
colorMask = colores[0] + 2 * colores[1] + 4 * colores[2];
numColors = 3; //colores[0] + colores[1] + colores[2];
}
public boolean getBMPImage() throws Exception {
File file = new File(m_sFullPath);
FileInputStream fis = null;
try {
fis = new FileInputStream(file);
} catch (FileNotFoundException ex) {
System.out.println("File " + m_sFullPath + " not found");
return false;
}
try {
read(fis);
} catch (IOException ex) {
System.out.append("Error reading bmp file");
return false;
} finally {
if(fis!=null){
try{
fis.close();
} catch (IOException ioe){}
}
}
return true;
}
public boolean getBMPImageFromStream(InputStream stream) throws Exception
{
try {
read(stream);
} catch (IOException ex) {
System.out.append("Error reading bmp file");
return false;
}
return true;
}
protected void getFileHeader() throws IOException, Exception {
// Actual contents (14 bytes):
short fileType = 0x4d42;// always "BM"
int fileSize; // size of file in bytes
short reserved1 = 0; // always 0
short reserved2 = 0; // always 0
fileType = readShort();
if (fileType != 0x4d42) {
throw new Exception("Not a BMP file"); // wrong file type
}
fileSize = readInt();
reserved1 = readShort();
reserved2 = readShort();
bitmapOffset = readInt();
}
protected void getBitmapHeader() throws IOException {
// Actual contents (40 bytes):
int size; // size of this header in bytes
short planes; // no. of color planes: always 1
int sizeOfBitmap; // size of bitmap in bytes (may be 0: if so, calculate)
int horzResolution; // horizontal resolution, pixels/meter (may be 0)
int vertResolution; // vertical resolution, pixels/meter (may be 0)
int colorsUsed; // no. of colors in palette (if 0, calculate)
int colorsImportant; // no. of important colors (appear first in palette) (0 means all are important)
boolean topDown;
int noOfPixels;
size = readInt();
width = readInt();
height = readInt();
planes = readShort();
bitsPerPixel = readShort();
compression = readInt();
sizeOfBitmap = readInt();
horzResolution = readInt();
vertResolution = readInt();
colorsUsed = readInt();
colorsImportant = readInt();
topDown = (height < 0);
noOfPixels = width * height;
// Scan line is padded with zeroes to be a multiple of four bytes
scanLineSize = ((width * bitsPerPixel + 31) / 32) * 4;
if (sizeOfBitmap != 0) {
actualSizeOfBitmap = sizeOfBitmap;
} else
// a value of 0 doesn't mean zero - it means we have to calculate it
{
actualSizeOfBitmap = scanLineSize * height;
}
if (colorsUsed != 0) {
actualColorsUsed = colorsUsed;
} else
// a value of 0 means we determine this based on the bits per pixel
if (bitsPerPixel < 16) {
actualColorsUsed = 1 << bitsPerPixel;
} else {
actualColorsUsed = 0; // no palette
}
}
protected void getPalette() throws IOException {
noOfEntries = actualColorsUsed;
//IJ.write("noOfEntries: " + noOfEntries);
if (noOfEntries > 0) {
r = new byte[noOfEntries];
g = new byte[noOfEntries];
b = new byte[noOfEntries];
int reserved;
for (int i = 0; i < noOfEntries; i++) {
b[i] = (byte) is.read();
g[i] = (byte) is.read();
r[i] = (byte) is.read();
reserved = is.read();
curPos += 4;
}
}
}
protected void unpack(byte[] rawData, int rawOffset, int[] intData, int intOffset, int w) {
int j = intOffset;
int k = rawOffset;
int mask = 0xff;
for (int i = 0; i < w; i++) {
int b0 = (((int) (rawData[k++])) & mask);
int b1 = (((int) (rawData[k++])) & mask) << 8;
int b2 = (((int) (rawData[k++])) & mask) << 16;
intData[j] = 0xff000000 | b0 | b1 | b2;
j++;
}
}
protected void unpack(byte[] rawData, int rawOffset, int bpp, byte[] byteData, int byteOffset, int w) throws Exception {
int j = byteOffset;
int k = rawOffset;
byte mask;
int pixPerByte;
switch (bpp) {
case 1:
mask = (byte) 0x01;
pixPerByte = 8;
break;
case 4:
mask = (byte) 0x0f;
pixPerByte = 2;
break;
case 8:
mask = (byte) 0xff;
pixPerByte = 1;
break;
default:
throw new Exception("Unsupported bits-per-pixel value");
}
for (int i = 0; ; ) {
int shift = 8 - bpp;
for (int ii = 0; ii < pixPerByte; ii++) {
byte br = rawData[k];
br >>= shift;
byteData[j] = (byte) (br & mask);
//System.out.println("Setting byteData[" + j + "]=" + Test.byteToHex(byteData[j]));
j++;
i++;
if (i == w) {
return;
}
shift -= bpp;
}
k++;
}
}
protected int readScanLine(byte[] b, int off, int len) throws IOException {
int bytesRead = 0;
int l = len;
int r = 0;
while (len > 0) {
bytesRead = is.read(b, off, len);
if (bytesRead == -1) {
return r == 0 ? -1 : r;
}
if (bytesRead == len) {
return l;
}
len -= bytesRead;
off += bytesRead;
r += bytesRead;
}
return l;
}
protected void getPixelData() throws IOException, Exception {
// Skip to the start of the bitmap data (if we are not already there)
long skip = bitmapOffset - curPos;
if (skip > 0) {
is.skip(skip);
curPos += skip;
}
int len = scanLineSize;
if (bitsPerPixel > 8) {
intData = new int[width * height];
} else {
byteData = new byte[width * height];
}
m_RawData = new byte[actualSizeOfBitmap];
int rawOffset = 0;
int offset = (height - 1) * width;
for (int i = height - 1; i >= 0; i--) {
int n = readScanLine(m_RawData, rawOffset, len);
if (n < len) {
throw new Exception("Scan line ended prematurely after " + n + " bytes");
}
if (bitsPerPixel > 8) {
// Unpack and create one int per pixel
unpack(m_RawData, rawOffset, intData, offset, width);
} else {
// Unpack and create one byte per pixel
unpack(m_RawData, rawOffset, bitsPerPixel, byteData, offset, width);
}
rawOffset += len;
offset -= width;
}
}
public byte[] BMP2MemoriaGrafica() {
// color number of lines padded with zeroes to be a multiple of one bytes (x 8)
int colSize = ((int) (width / 8) + (width % 8 > 0 ? 1 : 0)) * 8;
// Scan line is padded with zeroes to be a multiple of two bytes (x 16)
int lineSize = ((int) (width / 16) + (width % 16 > 0 ? 1 : 0)) * 16;
long tam = 32l + levels * lineSize * height * numColors / 8;
// Header of BMT file
// 04 DF + 01/FF zipped/unzipped + FF FF FF
// + colSize (word) + filas (word) + colorMask + levels + 00 00 00 00 00 00 00 01 00 00
// +tam total colors (word)+ 00 00 + tam total (word) + 00 00 00 00
String mem = "04 DF FF FF FF FF ";
mem = mem.concat(long2Word(colSize, false)).concat(" ").concat(long2Word(height, false)).concat(" ");
mem = mem.concat(dec2hexStr(colorMask)).concat(" ").concat(dec2hexStr(levels)).concat(" ");
mem = mem.concat("00 00 00 00 00 00 01 00 ").concat(long2Dword(tam - 32,false)).concat(" ");
mem = mem.concat(long2Dword(tam,false)).concat(" 00 00 00 00");
byte[] head=toBytes(mem);
byte[] raw = new byte[(int)tam];
int cont=0;
for(byte h:head){
raw[cont++]=h;
}
for (int k = 0; k < levels; k++) {
byte[][] planos = getPanelRawData(tonos[k]);
for (int i = 0; i < numColors; i++) {
for (byte h : planos[i]) {
raw[cont++]=h;
}
}
}
return raw;
}
// transforms bmp to rawData, without header, three splitted planes, according tonoMax
private byte[][] getPanelRawData(int tonoMax) {
int tam = scanLineSize; // (bmp row size, bytes, eg. 74) x 3
int colSize = ((int) (width / 8) + (width % 8 > 0 ? 1 : 0)) * 8; // bytes multiple of 8, eg. 80
int lineSize = ((int) (width / 16) + (width % 16 > 0 ? 1 : 0)) * 16; // bytes multiple of 16, eg. 80
byte[][] panelData = new byte[numColors][height * lineSize / 8];
int[] swapBMP = {2,1,0}; // bmp: BLUE-GREEN-RED, swap->R,G,B
for (int k = 0; k < numColors; k++) {
int iPlano = swapBMP[k];
// plane k
int pos = 0;
for (int j = height - 1; j >= 0; j--) { // bmp row, from bottom to top
for (int i = k; i < lineSize * numColors + k; i += numColors * 8) { // columna del bmp
BitSet bs=new BitSet(8);
for (int m = 0; m < 8; m++) {
if (i + m * numColors < tam) {
if ((m_RawData[i + m * numColors + j * tam] & 0xff) >= tonoMax) {
bs.set(7-m);
}
}
}
if (pos < lineSize * height / 8) {
panelData[iPlano][pos++] = (bs.toByteArray().length>0)? bs.toByteArray()[0]: 0;
}
}
}
}
return panelData;
}
public void read(InputStream is) throws IOException, Exception {
this.is = is;
getFileHeader();
getBitmapHeader();
if (compression != 0) {
throw new Exception("BMP Compression not supported");
}
getPalette();
getPixelData();
}
protected int readInt() throws IOException {
int b1 = is.read();
int b2 = is.read();
int b3 = is.read();
int b4 = is.read();
curPos += 4;
return ((b4 << 24) + (b3 << 16) + (b2 << 8) + (b1 << 0));
}
protected short readShort() throws IOException {
int b1 = is.read();
int b2 = is.read();
curPos += 4;
return (short) ((b2 << 8) + b1);
}
public void reset(){
r=null;
g=null;
b=null;
byteData=null;
intData=null;
if(is!=null){
try{
is.close();
is=null;
} catch (IOException ioe){}
}
m_RawData=null;
System.gc();
}
}
}