/** Carga una imagen en la posición X,Y dada. */
public void loadImage(int x, int y, int width, int height, String path) {
// SVGEvent event = new SVGEvent(SVGEvent.EVENT_LOAD_IMAGE, new SVGLoadImageEventData(x, y,
// width, height, path));
// postEvent(event);
SVGDocument document = raster.document;
SVGSVGElem rootElem = (SVGSVGElem) document.root;
SVGNode selNode = null;
// Parece que la siguiente linea no es necesaria. La matriz de transformacion es la misma que la
// del root
// selNode = rootElem.nodeHitAt(canvas.raster, new TinyPoint(evData.getX(), evData.getY()));
if (selNode == null) selNode = raster.root;
// Calculo de la posicion de la imagen en el SVG
TinyMatrix inverse = selNode.getGlobalTransform().inverse();
TinyPoint p = new TinyPoint(x << TinyUtil.FIX_BITS, y << TinyUtil.FIX_BITS);
inverse.transform(p);
TinyPoint p2 =
new TinyPoint((x + width) << TinyUtil.FIX_BITS, (y + height) << TinyUtil.FIX_BITS);
inverse.transform(p2);
// Nuevo elemento imagen
SVGImageElem imageElem = (SVGImageElem) document.createElement(SVG.ELEM_IMAGE);
imageElem.x = p.x;
imageElem.y = p.y;
imageElem.width = p2.x - p.x;
imageElem.height = p2.y - p.y;
imageElem.xlink_href = new TinyString(path.toCharArray());
// Insertar la imagen en el root
rootElem.addChildAndRecordEvent(imageElem, rootElem.children.count);
drawSVG();
}
public void setPixels(
final int xmin,
final int ymin,
final int width,
final int height,
final int[] pixels32,
final int pixeloffset,
final int pixelscan) {
logger.debug("Actualizando imagen de pantalla");
// Zona actual e imagen de fondo
if (loaded) {
SVGNode root = raster.document.root;
// Zona actual
TinyMatrix inverse = root.getGlobalTransform().inverse();
TinyPoint p1 = new TinyPoint(0, 0);
inverse.transform(p1);
TinyPoint p2 = new TinyPoint(width << TinyUtil.FIX_BITS, height << TinyUtil.FIX_BITS);
inverse.transform(p2);
if (currentZone.isEmpty()
|| currentZone.xmin != p1.x
|| currentZone.ymin != p1.y
|| currentZone.xmax != p2.x
|| currentZone.ymax != p2.y) {
currentZone.xmin = p1.x;
currentZone.ymin = p1.y;
currentZone.xmax = p2.x;
currentZone.ymax = p2.y;
// Nueva imagen de fondo
if (backImage != null && !backImage.isDisposed()) {
backImage.dispose();
backImage = null;
}
backImage = getBackImage();
}
}
// Imagen del SVG
int totalHeight = 0;
try {
totalHeight = pixels32.length / pixelscan;
// Establecer los pixeles y los alphas
ImageData imData =
new ImageData(pixelscan, totalHeight, 32, new PaletteData(0xFF0000, 0xFF00, 0xFF));
byte[] alphaData = new byte[pixels32.length];
for (int i = 0; i < pixels32.length; i++) {
alphaData[i] = (byte) (pixels32[i] >> 24);
}
imData.setPixels(0, 0, pixels32.length, pixels32, 0);
imData.setAlphas(0, 0, pixels32.length, alphaData, 0);
if (svgImage != null && !svgImage.isDisposed()) svgImage.dispose();
// logger.debug("Antes de generar la imagen1:");
// logger.debug("Antes de generar la imagen2:"+imData.height);
svgImage = new Image(Display.getDefault(), imData);
logger.debug("Imagen generada");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
logger.debug("ERROR");
}
logger.debug("Verificando clipping");
// Clipping
if (width < pixelscan || height < totalHeight) {
logger.debug("Hay clipping");
GC gc = new GC(svgImage);
int rasterBackground = raster.getBackground();
Color rasterBackgroundColor =
new Color(
Display.getDefault(),
(rasterBackground & 0x00FF0000) >> 16,
(rasterBackground & 0x0000FF00) >> 8,
(rasterBackground & 0x000000FF));
gc.setBackground(rasterBackgroundColor);
if (xmin > 0) {
gc.fillRectangle(0, 0, xmin, totalHeight);
}
if (xmin + width < pixelscan) {
gc.fillRectangle(xmin + width, 0, pixelscan - xmin - width, totalHeight);
}
if (ymin > 0) {
gc.fillRectangle(0, 0, pixelscan, ymin);
}
if (ymin + height < totalHeight) {
gc.fillRectangle(0, ymin + height, pixelscan, totalHeight - ymin - height);
}
rasterBackgroundColor.dispose();
gc.dispose();
}
// logger.debug("Arrancando thread de display");
if (synchPaint) {
getDisplay().syncExec(new redrawThread());
} else {
getDisplay().asyncExec(new redrawThread());
}
logger.debug("Imagen de pantalla actualizada");
}
