JEtherPix

@@ -97,7 +97,7 @@ public class Display

   public void dataClear()

   {

     byte [] black = {(byte)0, (byte)0, (byte)0};

-    data(black, 0, 0, 0, 0, m_size.m_x, m_size.m_y);

+    data(black, 0, 0, 0, 0, 0, m_size.m_x, m_size.m_y);

   }

   /**

@@ -106,12 +106,13 @@ public class Display

    *                 pixels need to be in R8G8B8 format

    * @param[in] strideX stride between two pixels in X direction

    * @param[in] strideY stride between two pixels in Y direction

+   * @param[in] base array index of top-left pixel

    * @param[in] x X coordinate of left side of rectangular area

    * @param[in] y Y coordinate of top side of rectangular area

    * @param[in] width with of rectangular area

    * @param[in] height height of rectangular area

    */

-  public void data(byte [] data, int strideX, int strideY,

+  public void data(byte [] data, int strideX, int strideY, int base,

                    int x, int y, int width, int height)

   {

     int dist, out, pix, i, c;

@@ -141,7 +142,7 @@ public class Display

               // check if pixel is within rectangular area of image

               if (rx >= 0 && rx < width && ry >= 0 && ry < height) {

                 // get pixel data and map it

-                src = rx * strideX + ry * strideY;

+                src = rx * strideX + ry * strideY + base;

                 distri.m_msgBuf[dest+0] = distri.m_mapRed.m_table[data[src+0] & 0xFF];

                 distri.m_msgBuf[dest+1] = distri.m_mapGreen.m_table[data[src+1] & 0xFF];

                 distri.m_msgBuf[dest+2] = distri.m_mapBlue.m_table[data[src+2] & 0xFF];

@@ -59,7 +59,7 @@ public class Blink

     for (i = 0; i < 5; ++i) {

       System.out.println("on");

-      display.data(white, 0, 0, 0, 0, width, height);

+      display.data(white, 0, 0, 0, 0, 0, width, height);

       display.send();

       try {

         Thread.sleep(500);

@@ -71,12 +71,10 @@ public class Fade

     display.data(image,

                  3,              // consecutive pixels are 3 bytes apart

                  width * 3,      // consecutive lines are width * 3 bytes apart

-                 0, 0, width, height);

+                 0,              // top-left pixel is at array index 0

+                 0, 0,           // top-left pixel is 0,0

+                 width, height); // image size is width,height

     display.send();

-    try {

-      Thread.sleep(500);

-    } catch (InterruptedException e) {

-    }

     // free display

     display = null;