/**
* Builds an image data that is based on the released image but has the pressed/enter key area
* painted with data from the pressed/enter image
*
* @param key The pressed key
* @param isEnter Whether the image being retrieved will be used for enter or pressed
* @return An image data built the way described at method description
*/
private ImageData getKeyImageData(IAndroidKey key, boolean isEnter) {
ImageData resultingImage;
ImageData releasedImage = getImageData(false, false);
ImageData keyImage = isEnter ? getImageData(false, true) : getImageData(true, false);
resultingImage = (ImageData) releasedImage.clone();
Rectangle keyArea = key.getKeyArea();
int resultingImageSize = resultingImage.width * keyArea.height;
int[] keyPixelBuffer = new int[resultingImageSize];
int startY = keyArea.y < 0 ? 0 : keyArea.y;
keyImage.getPixels(0, startY, resultingImageSize, keyPixelBuffer, 0);
for (int line = 0; line < keyArea.height; line++) {
int pos = (line * resultingImage.width) + Math.abs(keyArea.x);
int startX = Math.abs(keyArea.x);
startY = (keyArea.y < 0 ? 0 : keyArea.y) + line;
if (startY < 0) {
continue;
}
int putWidth = keyArea.x < 0 ? keyArea.width - startX : keyArea.width;
resultingImage.setPixels(startX, startY, putWidth, keyPixelBuffer, pos);
}
return resultingImage;
}
/**
* Performs the skin draw operation.
*
* @param gcUsedToDraw The gc object associated with the skin composite that is used to draw the
* images
*/
private void drawSkin(GC gcUsedToDraw, IAndroidKey changedKey) {
if (currentSkinImage == null) {
IAndroidEmulatorInstance instance = UIHelper.getInstanceAssociatedToControl(this);
ImageData initialSkinImage = getImageData(false, false);
setSkinImage(initialSkinImage, null, false);
applyLayout(instance.getCurrentLayout());
if (scrollBarsUsed) {
synchronizeScrollBars();
}
}
if (displayRectangle != null) {
int srcXPos, srcYPos, srcWidth, srcHeight;
int destXPos, destYPos, destWidth, destHeight;
if (changedKey == null) {
srcXPos = displayRectangle.x;
srcYPos = displayRectangle.y;
srcWidth = displayRectangle.width;
srcHeight = displayRectangle.height;
destXPos = 0;
destYPos = 0;
destWidth = Math.min(currentSkinImage.getImageData().width, displayRectangle.width);
destHeight = Math.min(currentSkinImage.getImageData().height, displayRectangle.height);
} else {
srcXPos =
((int) (changedKey.getKeyArea().x > 0 ? changedKey.getKeyArea().x * zoomFactor : 0));
srcYPos =
((int) (changedKey.getKeyArea().y > 0 ? changedKey.getKeyArea().y * zoomFactor : 0));
srcWidth = ((int) (changedKey.getKeyArea().width * zoomFactor));
srcHeight = ((int) (changedKey.getKeyArea().height * zoomFactor));
destXPos = srcXPos - displayRectangle.x;
destYPos = srcYPos - displayRectangle.y;
destWidth = srcWidth;
destHeight = srcHeight;
}
gcUsedToDraw.drawImage(
currentSkinImage,
srcXPos,
srcYPos,
srcWidth,
srcHeight,
destXPos,
destYPos,
destWidth,
destHeight);
}
}