/**
* Provides a mapping from the document model coordinate space to the coordinate space of the view
* mapped to it.
*
* @param pos the position to convert
* @param a the allocated region to render into
* @return the bounding box of the given position
* @exception BadLocationException if the given position does not represent a valid location in
* the associated document
* @see View#modelToView
*/
public Shape modelToView(int pos, Shape a, Position.Bias b) throws BadLocationException {
int p0 = getStartOffset();
int p1 = getEndOffset();
if ((pos >= p0) && (pos <= p1)) {
Rectangle r = a.getBounds();
if (pos == p1) {
r.x += r.width;
}
r.width = 0;
return r;
}
return null;
}
/**
* Paints the image.
*
* @param g the rendering surface to use
* @param a the allocated region to render into
* @see View#paint
*/
public void paint(Graphics g, Shape a) {
Color oldColor = g.getColor();
fBounds = a.getBounds();
int border = getBorder();
int x = fBounds.x + border + getSpace(X_AXIS);
int y = fBounds.y + border + getSpace(Y_AXIS);
int width = fWidth;
int height = fHeight;
int sel = getSelectionState();
// Make sure my Component is in the right place:
/*
if( fComponent == null ) {
fComponent = new Component() { };
fComponent.addMouseListener(this);
fComponent.addMouseMotionListener(this);
fComponent.setCursor(Cursor.getDefaultCursor()); // use arrow cursor
fContainer.add(fComponent);
}
fComponent.setBounds(x,y,width,height);
*/
// If no pixels yet, draw gray outline and icon:
if (!hasPixels(this)) {
g.setColor(Color.lightGray);
g.drawRect(x, y, width - 1, height - 1);
g.setColor(oldColor);
loadIcons();
Icon icon = fImage == null ? sMissingImageIcon : sPendingImageIcon;
if (icon != null) icon.paintIcon(getContainer(), g, x, y);
}
// Draw image:
if (fImage != null) {
g.drawImage(fImage, x, y, width, height, this);
// Use the following instead of g.drawImage when
// BufferedImageGraphics2D.setXORMode is fixed (4158822).
// Use Xor mode when selected/highlighted.
// ! Could darken image instead, but it would be more expensive.
/*
if( sel > 0 )
g.setXORMode(Color.white);
g.drawImage(fImage,x, y,
width,height,this);
if( sel > 0 )
g.setPaintMode();
*/
}
// If selected exactly, we need a black border & grow-box:
Color bc = getBorderColor();
if (sel == 2) {
// Make sure there's room for a border:
int delta = 2 - border;
if (delta > 0) {
x += delta;
y += delta;
width -= delta << 1;
height -= delta << 1;
border = 2;
}
bc = null;
g.setColor(Color.black);
// Draw grow box:
g.fillRect(x + width - 5, y + height - 5, 5, 5);
}
// Draw border:
if (border > 0) {
if (bc != null) g.setColor(bc);
// Draw a thick rectangle:
for (int i = 1; i <= border; i++)
g.drawRect(x - i, y - i, width - 1 + i + i, height - 1 + i + i);
g.setColor(oldColor);
}
}