firetheme.java

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/**
 * 
 */
package gr.fire.ui;

import gr.fire.core.FireScreen;
import gr.fire.core.Theme;
import gr.fire.util.Log;

import java.io.IOException;

import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;

/*
 * Fire (Flexible Interface Rendering Engine) is a set of graphics widgets for creating GUIs for j2me applications. 
 * Copyright (C) 2006-2008 Bluevibe (www.bluevibe.net)
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 */

/**
 * @author padeler
 *
 */
public class FireTheme extends Theme
{
	/**
	 * The file name of the theme.
	 */
	private String themeFile;
	/**
	 * The name of the backgroung.
	 */
	private String themeBg;
	
	
	private Image defaultGradImage,defaultBgImageSrc,defaultLogo,defaultBorder;
	
	public FireTheme(String themeFile) throws IOException
	{
		this.themeFile=themeFile;
		loadTheme();
		
		if(defaultLogo!=null && (defaultLogo.getHeight()+2)> decorTop)
		{
			decorTop= defaultLogo.getHeight()+2;
		}
	}
	
	
	public Image getLogo()
	{
		return defaultLogo;
	}
	
	
	private void loadTheme() throws IOException
	{
		defaultGradImage=null;
		defaultBgImageSrc=null;
		defaultLogo=null;
		defaultBorder=null;
		
		// first check record store for a custom theme.
		
		Image img = Image.createImage(getClass().getResourceAsStream(themeFile));
				
		defaultLogo = Image.createImage(50,15);
		Graphics g = defaultLogo.getGraphics();
		g.drawImage(img,0,0,Graphics.TOP|Graphics.LEFT);


		int bgrad[]= new int[15];
		img.getRGB(bgrad,0,15,35,16,15,1);
		defaultBorder = Image.createRGBImage(bgrad,1,15,false);
		int []palete = new int[50];
		
		img.getRGB(palete,0,50,0,16,50,1);
		int tmp = palete[12];
		
		if((tmp&0x00FFFFFF)==0x00FFFFFF) // show grad
		{
			bgrad= new int[50];
			img.getRGB(bgrad,0,50,0,15,50,1);
			defaultGradImage = Image.createRGBImage(bgrad,50,1,true);
		}
		else
		{
			Log.logInfo("Grad background is not displayed.");
			defaultGradImage=null;
		}
	
		defaultColor = palete[0];
		
		labelColor = palete[1];
		softKeyFgColor = labelColor;

		scrollColor = palete[2];

		linkColor = palete[3];
		selectedLinkColor = palete[4];
		
		tmp = palete[5];
		selectedLinkBgColor = tmp;

		
		rulerColor1 = palete[6];

		rulerColor2 = palete[7];

		scrollRulerColor1= palete[8];
//		decorRightColor = scrollRulerColor1;
		decorBottomColor = scrollRulerColor1;

		scrollRulerColor2 = palete[9];
		scrollRulerColor3 = palete[10];
		
		primaryFillColor = palete[13];
		
		secondaryFillColor = palete[14];
		
		borderColor = palete[15];
		pointerColor = palete[16];
		secondaryPointerColor = palete[17];
		tooltipFgColor = palete[18];
		tooltipBgColor = palete[19];
		
		
		tmp = palete[11];
		if((tmp&0x00FFFFFF)==0x00FFFFFF) // show bg image
		{
			img = Image.createImage(getClass().getResourceAsStream(themeBg));
			defaultBgImageSrc = img;
		}
		else
		{
			defaultBgImageSrc = null;
		}
		
		
		/* **** Hack for Motorola phones ********** Thanks to Maxim Blagov */
		/* **** Some (if not all) Motorola phones, return "j2me" to getProperty("microedition.platform") */ 
		String platform = null; 
		String prop = System.getProperty("com.mot.carrier.URL"); 
		if (prop != null) {
			platform = "motorola"; 
		} else {
			try{
				Class.forName("com.motorola.graphics.j3d.Graphics3D"); 
				platform = "motorola"; 
			}catch (Throwable e) {}
		}
		 
		if(platform==null) // ok its propably not a motorola phone. 
		{
			platform=System.getProperty("microedition.platform"); 		
		}
	}
	
	public Image getDecorBottomTexture()
	{
		return defaultBorder;
	}
	public Image getDecorTopTexture()
	{
		
		return defaultBorder;
	}
	
	
	private void prepareDecorationImages(int width,int height)
	{
		int color= defaultColor;
		Image gradImage = defaultGradImage;
		Image bg = defaultBgImageSrc;
		boolean tiled =false;
		boolean vertical=true;

		

		Image img = Image.createImage(width,height);
		Graphics g = img.getGraphics();
		if(gradImage==null)
		{
			g.setColor(color);
			g.fillRect(0,0,width,height);
		}
		else
		{
			int srcLen = gradImage.getWidth() * gradImage.getHeight();
			int srcColorMap[] = new int[srcLen];
			gradImage.getRGB(srcColorMap,0,gradImage.getWidth(),0,0,gradImage.getWidth(),gradImage.getHeight());
			
			int len;
			if(vertical) len = width;
			else len = height;
			
			int []colorMap = new int[len];
			for(int i=0;i<len;++i)
			{
				colorMap[i] = srcColorMap[(i*srcLen)/len];
			}
			srcColorMap=null;
			
			if(vertical)
			{
				int i;
				for(i=0;i<width;++i)
				{
					g.setColor(colorMap[i]);
					g.drawLine(i,0,i,height);
				}
			}
			else
			{
				int i;
				for(i=decorTop;i<len-decorBottom;++i)
				{
					g.setColor(colorMap[i-decorTop]);
					g.drawLine(0,i,width,i);
				}
			}
		}
		
		if(defaultBorder!=null)
		{
			// draw top border.
			int len = defaultBorder.getWidth() * defaultBorder.getHeight();
			int colorMap[] = new int[len];
			defaultBorder.getRGB(colorMap,0,defaultBorder.getWidth(),0,0,defaultBorder.getWidth(),defaultBorder.getHeight());
			int i;
			for(i=0;i<(decorTop-1) && i<len ;++i)
			{
				g.setColor(colorMap[i]&0x00FFFFFF);
				g.drawLine(0,i,width,i);
			}
			for(i=len;i<(decorTop-1);++i)
			{
				g.drawLine(0,i,width,i);				
			}
			g.setColor(rulerColor2);
			g.drawLine(0,decorTop-2,width,decorTop-2);
			g.setColor(rulerColor1);
			g.drawLine(0,decorTop-1,width,decorTop-1);
			
			// draw bottom border.
			int p = height-decorBottom+2;
			for(i=0;i<decorBottom && i<len;++i)
			{
				g.setColor(colorMap[i]);
				g.drawLine(0,p+i,width,p+i);
			}
			for(i=len;i<decorBottom;++i)
			{
				g.drawLine(0,p+i,width,p+i);
			}
			
			g.setColor(rulerColor2);
			g.drawLine(0,height-decorBottom+2,width,height-decorBottom+2);
			g.setColor(rulerColor1);
			g.drawLine(0,height-decorBottom+1,width,height-decorBottom+1);
		}

		if(defaultLogo!=null)
		{
			switch (logoPossition)
			{
				case FireScreen.LEFT:
					g.drawImage(defaultLogo,0,0,Graphics.TOP|Graphics.LEFT);					
					break;
				case FireScreen.CENTER:
					g.drawImage(defaultLogo,(width/2)-(defaultLogo.getWidth()/2),0,Graphics.TOP|Graphics.LEFT);					
					break;
				default: // default is RIGHT.
					g.drawImage(defaultLogo,width-defaultLogo.getWidth(),0,Graphics.TOP|Graphics.LEFT);
					break;
			}
		}
		
		// draw bgImage
		if(bg!=null)
		{
			int w = width;
			int h = height-decorTop-decorBottom;
			
			int offx = bg.getWidth()/2,offy=bg.getHeight()/2;
			int x=0,y=0;
			if(bgImageHorizontalOrientation==FireScreen.CENTER) x = w/2 - offx;
			else if(bgImageHorizontalOrientation==FireScreen.LEFT) x=0;
			else if(bgImageHorizontalOrientation==FireScreen.RIGHT) x=w-offx-offx;
			
			if(bgImageVerticalOrientation==FireScreen.CENTER) y = h/2-offy; 
			else if(bgImageVerticalOrientation==FireScreen.TOP) y= 0;
			else if(bgImageVerticalOrientation==FireScreen.BOTTOM) y=h-offy-offy;
			
			g.drawImage(bg,x,y+decorTop,Graphics.TOP|Graphics.LEFT);
		}
		
		

	}


	String getThemeFile()
	{
		return themeFile;
	}


	void setThemeFile(String themeFile)
	{
		this.themeFile = themeFile;
	}
	
}