spk_oled_fontByteMaker--processing.h

00001 // OLED display using SSD1305 driver
00002 // A library by *spark audio-visual
00003 
00004 /* Copyright (c) 2011 Toby Harris, MIT License
00005  *
00006  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
00007  * and associated documentation files (the "Software"), to deal in the Software without restriction, 
00008  * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
00009  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
00010  * furnished to do so, subject to the following conditions:
00011  *
00012  * The above copyright notice and this permission notice shall be included in all copies or 
00013  * substantial portions of the Software.
00014  *
00015  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
00016  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
00017  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
00018  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
00019  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00020  */
00021 
00022 int w = 132;
00023 int h = 64;
00024 int scaleFactor = 5;
00025 
00026 PImage imgPixel;
00027 color white = color(255, 255, 255, 255);
00028 color black = color(0, 0, 0, 255);
00029 
00030 void setup()
00031 {
00032   imgPixel = loadImage("spk_dvimxr_font.png");
00033   w = imgPixel.width;
00034   h = imgPixel.height;
00035 
00036   size(w*scaleFactor, h*scaleFactor);
00037 
00038   noSmooth();
00039 }
00040 
00041 void draw()
00042 {
00043   background(0);
00044   image(imgPixel, 0, 0, w*scaleFactor, h*scaleFactor);
00045 }
00046 
00047 void mouseDragged() 
00048 {
00049   int x = mouseX/scaleFactor;
00050   int y = mouseY/scaleFactor;
00051 
00052   imgPixel.set(x, y, white);
00053 }
00054 
00055 void mousePressed()
00056 {
00057   int x = mouseX/scaleFactor;
00058   int y = mouseY/scaleFactor;
00059 
00060   if (imgPixel.get(x, y) == white)
00061   {
00062     imgPixel.set(x, y, black);
00063   }
00064   else
00065   {
00066     imgPixel.set(x, y, white);
00067   }
00068 }
00069 
00070 void keyPressed()
00071 {
00072   int startID = 33;
00073   int stopID = 126;
00074 
00075   for (int charID = startID; charID <= stopID; charID++)
00076   {
00077     boolean blank = false;
00078     String output = "";
00079     int counter = 0;
00080     while (blank == false)
00081     {
00082       int x = (charID-startID)*8 + counter;
00083 
00084       char theByte = 0; // byte and other types are signed in java! char is the exception
00085       for (int b = 0; b < 8; b++)
00086       {
00087         if (imgPixel.get(x, b) == white)
00088         {
00089           theByte += pow(2, b);
00090         }
00091       }
00092 
00093       if (theByte > 0)
00094       {
00095         if (output.length() > 0) output = output + ", ";
00096         output = output + "0x" + hex(theByte, 2);
00097       } 
00098       else
00099       {
00100         blank = true;
00101         println("const uint8_t char" + charID + "[] = {" + counter + ", " + output + "};");
00102       }
00103       
00104       counter++;
00105     }
00106   }
00107   println();
00108   println("const int characterBytesStartChar = " + startID + ";");
00109   println("const int characterBytesEndChar = " + stopID + ";");
00110   print("const uint8_t* characterBytes[] = {");
00111   for (int charID = startID; charID <= stopID; charID++)
00112   {
00113     print("char" + charID + ", ");
00114   }
00115   println("};");
00116 }