java/src/javazoom/jlgui/player/amp/skin/Taftb.java

@@ -0,0 +1,153 @@
+/*
+ * Taftb.
+ *
+ * JavaZOOM : jlgui@javazoom.net
+ *            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.
+ *----------------------------------------------------------------------
+ */
+package javazoom.jlgui.player.amp.skin;
+
+import java.awt.Image;
+import java.awt.image.CropImageFilter;
+import java.awt.image.FilteredImageSource;
+import java.awt.image.MemoryImageSource;
+import java.awt.image.PixelGrabber;
+import javax.swing.JComponent;
+
+/**
+ * Taftb is used to build gif image from graphical fonts.
+ */
+public class Taftb extends JComponent
+{
+    public Image theFonts;
+    private int imageW;
+    private int fontWidth;
+    private int fontHeight;
+    private int Yspacing;
+    protected Image theBanner;
+    protected int pixels[];
+    private PixelGrabber pg;
+    private String theText;
+
+    /**
+     * Text banner building according to the alphabet index, font size and Y spacing.
+     */
+    public Taftb(String alphaIndex, Image fontFile, int fontW, int fontH, int Yspc, String theTxt/*, Color BgValue*/)
+    {
+        fontWidth = fontW;
+        fontHeight = fontH;
+        Yspacing = Yspc;
+        theText = theTxt;
+        theFonts = fontFile;
+        imageW = theFonts.getWidth(this);
+        /*-- We create the TextBanner by grabbing font letters in the image fonts --*/
+        pixels = new int[theText.length() * fontW * fontH];
+        int SpacePosition = 0;
+        int offsetSp = 0;
+        /*-- We search the space position in the Alphabet index --*/
+        while ((offsetSp < alphaIndex.length()) && (alphaIndex.charAt(offsetSp) != ' '))
+        {
+            offsetSp++;
+        }
+        if (offsetSp < alphaIndex.length()) SpacePosition = offsetSp;
+        for (int offsetT = 0; offsetT < theText.length(); offsetT++)
+        {
+            int xPos = 0;
+            int yPos = 0;
+            int reste = 0;
+            int entie = 0;
+            int offsetA = 0;
+            int FontPerLine = (int) Math.rint((imageW / fontW));
+            /*-- We search the letter's position in the Alphabet index --*/
+            while ((offsetA < alphaIndex.length()) && (theText.charAt(offsetT) != alphaIndex.charAt(offsetA)))
+            {
+                offsetA++;
+            }
+            /*-- We deduce its image's position (Int forced) --*/
+            if (offsetA < alphaIndex.length())
+            {
+                reste = offsetA % FontPerLine;
+                entie = (offsetA - reste);
+                xPos = reste * fontW;
+                yPos = ((entie / FontPerLine) * fontH) + ((entie / FontPerLine) * Yspacing);
+            }
+            else
+            /*-- If the letter is not indexed the space (if available) is selected --*/
+            {
+                reste = SpacePosition % FontPerLine;
+                entie = (SpacePosition - reste);
+                xPos = reste * fontW;
+                yPos = ((entie / FontPerLine) * fontH) + ((entie / FontPerLine) * Yspacing);
+            }
+            /*-- We grab the letter in the font image and put it in a pixel array --*/
+            pg = new PixelGrabber(theFonts, xPos, yPos, fontW, fontH, pixels, offsetT * fontW, theText.length() * fontW);
+            try
+            {
+                pg.grabPixels();
+            }
+            catch (InterruptedException e)
+            {
+            }
+        }
+        /*-- We create the final Image Banner throught an Image --*/
+        theBanner = createImage(new MemoryImageSource(theText.length() * fontW, fontH, pixels, 0, theText.length() * fontW));
+    }
+
+    /**
+     * Returns final banner as an image.
+     */
+    public Image getBanner()
+    {
+        return theBanner;
+    }
+
+    /**
+     * Returns final banner as cropped image.
+     */
+    public Image getBanner(int x, int y, int sx, int sy)
+    {
+        Image cropBanner = null;
+        CropImageFilter cif = new CropImageFilter(x, y, sx, sy);
+        cropBanner = createImage(new FilteredImageSource(theBanner.getSource(), cif));
+        return cropBanner;
+    }
+
+    /**
+     * Returns final banner as a pixels array.
+     */
+    public int[] getPixels()
+    {
+        return pixels;
+    }
+
+    /**
+     * Returns banner's length.
+     */
+    public int getPixelsW()
+    {
+        return theText.length() * fontWidth;
+    }
+
+    /**
+     * Returns banner's height.
+     */
+    public int getPixelsH()
+    {
+        return fontHeight;
+    }
+}