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

   1 package be.nikiroo.jvcard.tui;
   2
   3 import java.awt.Dimension;
   4 import java.awt.Image;
   5
   6 import be.nikiroo.jvcard.launcher.Main;
   7 import be.nikiroo.utils.ImageText;
   8 import be.nikiroo.utils.ImageText.Mode;
   9
  10 import com.googlecode.lanterna.TerminalSize;
  11 import com.googlecode.lanterna.gui2.BorderLayout;
  12 import com.googlecode.lanterna.gui2.Panel;
  13 import com.googlecode.lanterna.gui2.TextBox;
  14
  15 /**
  16  * A {@link Panel} containing an {@link ImageText} rendering.
  17  *
  18  * @author niki
  19  *
  20  */
  21 public class ImageTextControl extends Panel {
  22         private ImageText image;
  23         private TextBox txt;
  24         private int mode;
  25
  26         /**
  27          * Create a new {@link ImageTextControl} for the given {@link Image} and
  28          * {@link TerminalSize}.
  29          *
  30          * @param image
  31          *            the {@link Image} to render
  32          * @param size
  33          *            the target size of this control
  34          */
  35         public ImageTextControl(Image image, TerminalSize size) {
  36                 Mode mode = Mode.DOUBLE_DITHERING;
  37                 if (!Main.isUnicode()) {
  38                         mode = Mode.ASCII;
  39                 }
  40
  41                 Mode[] modes = Mode.values();
  42                 for (int i = 0; i < modes.length; i++) {
  43                         if (mode == modes[i])
  44                                 this.mode = i;
  45                 }
  46
  47                 this.setLayoutManager(new BorderLayout());
  48                 setSize(size);
  49                 setImage(new ImageText(image, new Dimension(size.getColumns(),
  50                                 size.getRows()), mode, false));
  51         }
  52
  53         /**
  54          * Cycle through the available rendering modes if possible.
  55          *
  56          * @return TRUE if it was possible to switch modes
  57          */
  58         public boolean switchMode() {
  59                 if (image == null || !Main.isUnicode())
  60                         return false;
  61
  62                 Mode[] modes = Mode.values();
  63                 mode++;
  64                 if (mode >= modes.length)
  65                         mode = 0;
  66
  67                 image.setMode(modes[mode]);
  68                 setImage(image);
  69
  70                 return true;
  71         }
  72
  73         /**
  74          * Invert the colours.
  75          */
  76         public void invertColor() {
  77                 if (image != null) {
  78                         image.setColorInvert(!image.isColorInvert());
  79                         setImage(image);
  80                 }
  81         }
  82
  83         @Override
  84         public synchronized Panel setSize(TerminalSize size) {
  85                 if (image != null)
  86                         image.setSize(new Dimension(size.getColumns(), size.getRows()));
  87
  88                 super.setSize(size);
  89
  90                 setImage(image);
  91
  92                 return this;
  93         };
  94
  95         /**
  96          * Set/reset the {@link ImageText} to render.
  97          *
  98          * @param image
  99          *            the new {@link ImageText}
 100          */
 101         private void setImage(ImageText image) {
 102                 this.image = image;
 103                 removeAllComponents();
 104                 txt = null;
 105                 if (image != null) {
 106                         txt = new TextBox(image.getText());
 107                         this.addComponent(txt, BorderLayout.Location.CENTER);
 108                 }
 109         }
 110 }