public BitmapButtonField(Bitmap normalState, Bitmap focusState, long style) {
super(Field.FOCUSABLE | style);
if ((normalState.getWidth() != focusState.getWidth())
|| (normalState.getHeight() != focusState.getHeight())) {
throw new IllegalArgumentException("Image sizes don't match");
}
_bitmaps = new Bitmap[] {normalState, focusState};
}
public SliderField(
Bitmap thumb,
Bitmap sliderBackground,
Bitmap sliderBackgroundFocus,
int numStates,
int initialState,
int xLeftBackMargin,
int xRightBackMargin,
long style) {
super(style);
if (initialState > numStates || numStates < 2) {}
_imageThumb = thumb;
_imageSlider = sliderBackground;
_imageSliderFocus = sliderBackgroundFocus;
_numStates = numStates;
setState(initialState);
_xLeftBackMargin = xLeftBackMargin;
_xRightBackMargin = xRightBackMargin;
_rop = _imageSlider.hasAlpha() ? Graphics.ROP_SRC_ALPHA : Graphics.ROP_SRC_COPY;
_thumbWidth = thumb.getWidth();
_thumbHeight = thumb.getHeight();
initBitmaps();
}
private void copy(Bitmap src, int x, int y, int width, int height, Bitmap dest) {
int[] argbData = new int[width * height];
src.getARGB(argbData, 0, width, x, y, width, height);
for (int tx = 0; tx < dest.getWidth(); tx += width) {
for (int ty = 0; ty < dest.getHeight(); ty += height) {
dest.setARGB(argbData, 0, width, tx, ty, width, height);
}
}
}
/**
* Field implementation.
*
* @see net.rim.device.api.ui.Field#paint(Graphics)
*/
protected void paint(Graphics graphics) {
// First draw the background colour and picture
switch (Display.getWidth()) {
case 480:
graphics.drawBitmap(12, 10, dbmp.getWidth(), dbmp.getHeight(), dbmp, 0, 0);
graphics.drawBitmap(167, 10, ibmp.getWidth(), ibmp.getHeight(), ibmp, 0, 0);
graphics.drawBitmap(324, 10, tbmp.getWidth(), tbmp.getHeight(), tbmp, 0, 0);
graphics.setFont(font);
graphics.setColor(Color.DARKSLATEGRAY);
graphics.drawText(_dboc, 18, 40);
graphics.drawText(_iboc, 173, 40);
graphics.drawText(_tboc, 330, 40);
break;
case 360:
graphics.drawBitmap(15, 10, dbmp.getWidth(), dbmp.getHeight(), dbmp, 0, 0);
graphics.drawBitmap(185, 10, ibmp.getWidth(), ibmp.getHeight(), ibmp, 0, 0);
graphics.setFont(font);
graphics.setColor(Color.DARKSLATEGRAY);
graphics.drawText(_dboc, 28, 40);
graphics.drawText(_iboc, 198, 40);
graphics.drawBitmap(15, 65, tbmp.getWidth(), tbmp.getHeight(), tbmp, 0, 0);
graphics.drawText(_tboc, 130, 95);
break;
default:
graphics.drawBitmap(15, 9, dbmp.getWidth(), dbmp.getHeight(), dbmp, 0, 0);
graphics.drawBitmap(166, 10, ibmp.getWidth(), ibmp.getHeight(), ibmp, 0, 0);
graphics.setFont(font);
graphics.setColor(Color.DARKSLATEGRAY);
graphics.drawText(_dboc, 18, 40);
graphics.drawText(_iboc, 172, 40);
graphics.drawBitmap(15, 65, tbmp.getWidth(), tbmp.getHeight(), tbmp, 0, 0);
graphics.drawText(_tboc, 110, 95);
break;
}
}
/**
* Cuts up the background image and margins you provide to make the left, center, and right
* bitmaps
*/
public void initBitmaps() {
int height = _imageSlider.getHeight();
_imageSliderLeft = new Bitmap(_xLeftBackMargin, height);
_imageSliderCenter =
new Bitmap(_imageSlider.getWidth() - _xRightBackMargin - _xLeftBackMargin, height);
_imageSliderRight = new Bitmap(_xRightBackMargin, height);
copy(_imageSlider, 0, 0, _xLeftBackMargin, height, _imageSliderLeft);
copy(
_imageSlider,
_xLeftBackMargin,
0,
_imageSlider.getWidth() - _xRightBackMargin - _xLeftBackMargin,
height,
_imageSliderCenter);
copy(
_imageSlider,
_imageSlider.getWidth() - _xRightBackMargin,
0,
_xRightBackMargin,
height,
_imageSliderRight);
_imageSliderFocusLeft = new Bitmap(_xLeftBackMargin, height);
_imageSliderFocusCenter =
new Bitmap(_imageSlider.getWidth() - _xRightBackMargin - _xLeftBackMargin, height);
_imageSliderFocusRight = new Bitmap(_xRightBackMargin, height);
copy(_imageSliderFocus, 0, 0, _xLeftBackMargin, height, _imageSliderFocusLeft);
copy(
_imageSliderFocus,
_xLeftBackMargin,
0,
_imageSlider.getWidth() - _xRightBackMargin - _xLeftBackMargin,
height,
_imageSliderFocusCenter);
copy(
_imageSliderFocus,
_imageSlider.getWidth() - _xRightBackMargin,
0,
_xRightBackMargin,
height,
_imageSliderFocusRight);
}