private ImageCache iterm2Cache = null;
/**
- * Base64 encoder used by iTerm2 images.
+ * If true, emit image data via Jexer image protocol.
+ */
+ private boolean jexerImages = false;
+
+ /**
+ * The Jexer post-rendered string cache.
+ */
+ private ImageCache jexerCache = null;
+
+ /**
+ * Base64 encoder used by iTerm2 and Jexer images.
*/
private java.util.Base64.Encoder base64 = null;
*/
private boolean setRawMode = false;
+ /**
+ * If true, '?' was seen in terminal response.
+ */
+ private boolean decPrivateModeFlag = false;
+
/**
* The terminal's input. If an InputStream is not specified in the
* constructor, then this InputStreamReader will be bound to System.in
"UTF-8"));
}
+ // Request Device Attributes
+ this.output.printf("\033[c");
+
// Request xterm report window/cell dimensions in pixels
this.output.printf("%s", xtermReportPixelDimensions());
this.output = writer;
+ // Request Device Attributes
+ this.output.printf("\033[c");
+
// Request xterm report window/cell dimensions in pixels
this.output.printf("%s", xtermReportPixelDimensions());
if (cellsToDraw.size() > 0) {
if (iterm2Images) {
sb.append(toIterm2Image(x, y, cellsToDraw));
+ } else if (jexerImages) {
+ sb.append(toJexerImage(x, y, cellsToDraw));
} else {
sb.append(toSixel(x, y, cellsToDraw));
}
params = new ArrayList<String>();
params.clear();
params.add("");
+ decPrivateModeFlag = false;
}
/**
// Mouse position, SGR (1006) coordinates
state = ParseState.MOUSE_SGR;
return;
+ case '?':
+ // DEC private mode flag
+ decPrivateModeFlag = true;
+ return;
default:
break;
}
events.add(new TKeypressEvent(kbEnd, alt, ctrl, shift));
resetParser();
return;
+ case 'c':
+ // Device Attributes
+ if (decPrivateModeFlag == false) {
+ break;
+ }
+ for (String x: params) {
+ if (x.equals("4")) {
+ // Terminal reports sixel support
+ if (debugToStderr) {
+ System.err.println("Device Attributes: sixel");
+ }
+ }
+ if (x.equals("444")) {
+ // Terminal reports Jexer images support
+ if (debugToStderr) {
+ System.err.println("Device Attributes: Jexer images");
+ }
+ jexerImages = true;
+ }
+ }
+ return;
case 't':
// windowOps
if ((params.size() > 2) && (params.get(0).equals("4"))) {
// End iTerm2 image output support ----------------------------------------
// ------------------------------------------------------------------------
+ // ------------------------------------------------------------------------
+ // Jexer image output support ---------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Create a Jexer images string representing a row of several cells
+ * containing bitmap data.
+ *
+ * @param x column coordinate. 0 is the left-most column.
+ * @param y row coordinate. 0 is the top-most row.
+ * @param cells the cells containing the bitmap data
+ * @return the string to emit to an ANSI / ECMA-style terminal
+ */
+ private String toJexerImage(final int x, final int y,
+ final ArrayList<Cell> cells) {
+
+ StringBuilder sb = new StringBuilder();
+
+ assert (cells != null);
+ assert (cells.size() > 0);
+ assert (cells.get(0).getImage() != null);
+
+ if (jexerImages == false) {
+ sb.append(normal());
+ sb.append(gotoXY(x, y));
+ for (int i = 0; i < cells.size(); i++) {
+ sb.append(' ');
+ }
+ return sb.toString();
+ }
+
+ if (jexerCache == null) {
+ jexerCache = new ImageCache(height * 10);
+ base64 = java.util.Base64.getEncoder();
+ }
+
+ // Save and get rows to/from the cache that do NOT have inverted
+ // cells.
+ boolean saveInCache = true;
+ for (Cell cell: cells) {
+ if (cell.isInvertedImage()) {
+ saveInCache = false;
+ }
+ }
+ if (saveInCache) {
+ String cachedResult = jexerCache.get(cells);
+ if (cachedResult != null) {
+ // System.err.println("CACHE HIT");
+ sb.append(gotoXY(x, y));
+ sb.append(cachedResult);
+ return sb.toString();
+ }
+ // System.err.println("CACHE MISS");
+ }
+
+ int imageWidth = cells.get(0).getImage().getWidth();
+ int imageHeight = cells.get(0).getImage().getHeight();
+
+ // cells.get(x).getImage() has a dithered bitmap containing indexes
+ // into the color palette. Piece these together into one larger
+ // image for final rendering.
+ int totalWidth = 0;
+ int fullWidth = cells.size() * getTextWidth();
+ int fullHeight = getTextHeight();
+ for (int i = 0; i < cells.size(); i++) {
+ totalWidth += cells.get(i).getImage().getWidth();
+ }
+
+ BufferedImage image = new BufferedImage(fullWidth,
+ fullHeight, BufferedImage.TYPE_INT_ARGB);
+
+ int [] rgbArray;
+ for (int i = 0; i < cells.size() - 1; i++) {
+ int tileWidth = Math.min(cells.get(i).getImage().getWidth(),
+ imageWidth);
+ int tileHeight = Math.min(cells.get(i).getImage().getHeight(),
+ imageHeight);
+ if (false && cells.get(i).isInvertedImage()) {
+ // I used to put an all-white cell over the cursor, don't do
+ // that anymore.
+ rgbArray = new int[imageWidth * imageHeight];
+ for (int j = 0; j < rgbArray.length; j++) {
+ rgbArray[j] = 0xFFFFFF;
+ }
+ } else {
+ try {
+ rgbArray = cells.get(i).getImage().getRGB(0, 0,
+ tileWidth, tileHeight, null, 0, tileWidth);
+ } catch (Exception e) {
+ throw new RuntimeException("image " + imageWidth + "x" +
+ imageHeight +
+ "tile " + tileWidth + "x" +
+ tileHeight +
+ " cells.get(i).getImage() " +
+ cells.get(i).getImage() +
+ " i " + i +
+ " fullWidth " + fullWidth +
+ " fullHeight " + fullHeight, e);
+ }
+ }
+
+ /*
+ System.err.printf("calling image.setRGB(): %d %d %d %d %d\n",
+ i * imageWidth, 0, imageWidth, imageHeight,
+ 0, imageWidth);
+ System.err.printf(" fullWidth %d fullHeight %d cells.size() %d textWidth %d\n",
+ fullWidth, fullHeight, cells.size(), getTextWidth());
+ */
+
+ image.setRGB(i * imageWidth, 0, tileWidth, tileHeight,
+ rgbArray, 0, tileWidth);
+ if (tileHeight < fullHeight) {
+ int backgroundColor = cells.get(i).getBackground().getRGB();
+ for (int imageX = 0; imageX < image.getWidth(); imageX++) {
+ for (int imageY = imageHeight; imageY < fullHeight;
+ imageY++) {
+
+ image.setRGB(imageX, imageY, backgroundColor);
+ }
+ }
+ }
+ }
+ totalWidth -= ((cells.size() - 1) * imageWidth);
+ if (false && cells.get(cells.size() - 1).isInvertedImage()) {
+ // I used to put an all-white cell over the cursor, don't do that
+ // anymore.
+ rgbArray = new int[totalWidth * imageHeight];
+ for (int j = 0; j < rgbArray.length; j++) {
+ rgbArray[j] = 0xFFFFFF;
+ }
+ } else {
+ try {
+ rgbArray = cells.get(cells.size() - 1).getImage().getRGB(0, 0,
+ totalWidth, imageHeight, null, 0, totalWidth);
+ } catch (Exception e) {
+ throw new RuntimeException("image " + imageWidth + "x" +
+ imageHeight + " cells.get(cells.size() - 1).getImage() " +
+ cells.get(cells.size() - 1).getImage(), e);
+ }
+ }
+ image.setRGB((cells.size() - 1) * imageWidth, 0, totalWidth,
+ imageHeight, rgbArray, 0, totalWidth);
+
+ if (totalWidth < getTextWidth()) {
+ int backgroundColor = cells.get(cells.size() - 1).getBackground().getRGB();
+
+ for (int imageX = image.getWidth() - totalWidth;
+ imageX < image.getWidth(); imageX++) {
+
+ for (int imageY = 0; imageY < fullHeight; imageY++) {
+ image.setRGB(imageX, imageY, backgroundColor);
+ }
+ }
+ }
+
+ sb.append(String.format("\033]444;%d;%d;0;", image.getWidth(),
+ Math.min(image.getHeight(), fullHeight)));
+
+ byte [] bytes = new byte[image.getWidth() * image.getHeight() * 3];
+ int stride = image.getWidth();
+ for (int px = 0; px < stride; px++) {
+ for (int py = 0; py < image.getHeight(); py++) {
+ int rgb = image.getRGB(px, py);
+ bytes[(py * stride * 3) + (px * 3)] = (byte) ((rgb >>> 16) & 0xFF);
+ bytes[(py * stride * 3) + (px * 3) + 1] = (byte) ((rgb >>> 8) & 0xFF);
+ bytes[(py * stride * 3) + (px * 3) + 2] = (byte) ( rgb & 0xFF);
+ }
+ }
+ sb.append(base64.encodeToString(bytes));
+ sb.append("\007");
+
+ if (saveInCache) {
+ // This row is OK to save into the cache.
+ jexerCache.put(cells, sb.toString());
+ }
+
+ return (gotoXY(x, y) + sb.toString());
+ }
+
+ /**
+ * Get the Jexer images support flag.
+ *
+ * @return true if this terminal is emitting Jexer images
+ */
+ public boolean hasJexerImages() {
+ return jexerImages;
+ }
+
+ // ------------------------------------------------------------------------
+ // End Jexer image output support -----------------------------------------
+ // ------------------------------------------------------------------------
+
/**
* Setup system colors to match DOS color palette.
*/
git://git.nikiroo.be / nikiroo-utils.git / blobdiff