src/be/nikiroo/jvcard/tui/ImageTextControl.java

   1 package be.nikiroo.jvcard.tui;
   2
   3 import java.awt.Image;
   4
   5 import be.nikiroo.jvcard.launcher.Main;
   6 import be.nikiroo.jvcard.tui.ImageText.Mode;
   7
   8 import com.googlecode.lanterna.TerminalSize;
   9 import com.googlecode.lanterna.gui2.BorderLayout;
  10 import com.googlecode.lanterna.gui2.Panel;
  11 import com.googlecode.lanterna.gui2.TextBox;
  12
  13 /**
  14  * A {@link Panel} containing an {@link ImageText} rendering.
  15  *
  16  * @author niki
  17  *
  18  */
  19 public class ImageTextControl extends Panel {
  20         private ImageText image;
  21         private TextBox txt;
  22         private int mode;
  23
  24         /**
  25          * Create a new {@link ImageTextControl} for the given {@link Image} and
  26          * {@link TerminalSize}.
  27          *
  28          * @param image
  29          *            the {@link Image} to render
  30          * @param size
  31          *            the target size of this control
  32          */
  33         public ImageTextControl(Image image, TerminalSize size) {
  34                 Mode mode = Mode.DOUBLE_DITHERING;
  35                 if (!Main.isUnicode()) {
  36                         mode = Mode.ASCII;
  37                 }
  38
  39                 Mode[] modes = Mode.values();
  40                 for (int i = 0; i < modes.length; i++) {
  41                         if (mode == modes[i])
  42                                 this.mode = i;
  43                 }
  44
  45                 this.setLayoutManager(new BorderLayout());
  46                 setSize(size);
  47                 setImage(new ImageText(image, size, mode, false));
  48         }
  49
  50         /**
  51          * Cycle through the available rendering modes if possible.
  52          *
  53          * @return TRUE if it was possible to switch modes
  54          */
  55         public boolean switchMode() {
  56                 if (image == null || !Main.isUnicode())
  57                         return false;
  58
  59                 Mode[] modes = Mode.values();
  60                 mode++;
  61                 if (mode >= modes.length)
  62                         mode = 0;
  63
  64                 image.setMode(modes[mode]);
  65                 setImage(image);
  66
  67                 return true;
  68         }
  69
  70         /**
  71          * Invert the colours.
  72          */
  73         public void invertColor() {
  74                 if (image != null) {
  75                         image.setColorInvert(!image.isColorInvert());
  76                         setImage(image);
  77                 }
  78         }
  79
  80         @Override
  81         public synchronized Panel setSize(TerminalSize size) {
  82                 if (image != null)
  83                         image.setSize(size);
  84
  85                 super.setSize(size);
  86
  87                 setImage(image);
  88
  89                 return this;
  90         };
  91
  92         /**
  93          * Set/reset the {@link ImageText} to render.
  94          *
  95          * @param image
  96          *            the new {@link ImageText}
  97          */
  98         private void setImage(ImageText image) {
  99                 this.image = image;
 100                 removeAllComponents();
 101                 txt = null;
 102                 if (image != null) {
 103                         txt = new TextBox(image.getText());
 104                         this.addComponent(txt, BorderLayout.Location.CENTER);
 105                 }
 106         }
 107 }