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