import jexer.bits.Cell;
import jexer.bits.CellAttributes;
import jexer.bits.Color;
+import jexer.bits.StringUtils;
import jexer.event.TCommandEvent;
import jexer.event.TInputEvent;
import jexer.event.TKeypressEvent;
MOUSE_SGR,
}
+ /**
+ * Available Jexer images support.
+ */
+ private enum JexerImageOption {
+ DISABLED,
+ JPG,
+ PNG,
+ RGB,
+ }
+
// ------------------------------------------------------------------------
// Variables --------------------------------------------------------------
// ------------------------------------------------------------------------
*/
private boolean sixel = true;
+ /**
+ * If true, use a single shared palette for sixel.
+ */
+ private boolean sixelSharedPalette = true;
+
/**
* The sixel palette handler.
*/
private ImageCache iterm2Cache = null;
/**
- * If true, emit image data via Jexer image protocol.
+ * If not DISABLED, emit image data via Jexer image protocol if the
+ * terminal supports it.
*/
- private boolean jexerImages = false;
+ private JexerImageOption jexerImageOption = JexerImageOption.JPG;
/**
* 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;
-
/**
* If true, then we changed System.in and need to change it back.
*/
// Enable mouse reporting and metaSendsEscape
this.output.printf("%s%s", mouse(true), xtermMetaSendsEscape(true));
- this.output.flush();
// Request xterm use the sixel settings we want
this.output.printf("%s", xtermSetSixelSettings());
+ this.output.flush();
+
// Query the screen size
sessionInfo.queryWindowSize();
setDimensions(sessionInfo.getWindowWidth(),
// Enable mouse reporting and metaSendsEscape
this.output.printf("%s%s", mouse(true), xtermMetaSendsEscape(true));
- this.output.flush();
// Request xterm use the sixel settings we want
this.output.printf("%s", xtermSetSixelSettings());
+ this.output.flush();
+
// Query the screen size
sessionInfo.queryWindowSize();
setDimensions(sessionInfo.getWindowWidth(),
// SQUASH
}
- // Default to using images for full-width characters.
+ // Shared palette
+ if (System.getProperty("jexer.ECMA48.sixelSharedPalette",
+ "true").equals("false")) {
+ sixelSharedPalette = false;
+ } else {
+ sixelSharedPalette = true;
+ }
+
+ // Default to not supporting iTerm2 images.
if (System.getProperty("jexer.ECMA48.iTerm2Images",
"false").equals("true")) {
iterm2Images = true;
iterm2Images = false;
}
+ // Default to using JPG Jexer images if terminal supports it.
+ String jexerImageStr = System.getProperty("jexer.ECMA48.jexerImages",
+ "jpg").toLowerCase();
+ if (jexerImageStr.equals("false")) {
+ jexerImageOption = JexerImageOption.DISABLED;
+ } else if (jexerImageStr.equals("jpg")) {
+ jexerImageOption = JexerImageOption.JPG;
+ } else if (jexerImageStr.equals("png")) {
+ jexerImageOption = JexerImageOption.PNG;
+ } else if (jexerImageStr.equals("rgb")) {
+ jexerImageOption = JexerImageOption.RGB;
+ }
+
// Set custom colors
setCustomSystemColors();
}
if (cellsToDraw.size() > 0) {
if (iterm2Images) {
sb.append(toIterm2Image(x, y, cellsToDraw));
- } else if (jexerImages) {
+ } else if (jexerImageOption != JexerImageOption.DISABLED) {
sb.append(toJexerImage(x, y, cellsToDraw));
} else {
sb.append(toSixel(x, y, cellsToDraw));
boolean eventMouse3 = false;
boolean eventMouseWheelUp = false;
boolean eventMouseWheelDown = false;
+ boolean eventAlt = false;
+ boolean eventCtrl = false;
+ boolean eventShift = false;
// System.err.printf("buttons: %04x\r\n", buttons);
- switch (buttons) {
+ switch (buttons & 0xE3) {
case 0:
eventMouse1 = true;
mouse1 = true;
eventType = TMouseEvent.Type.MOUSE_MOTION;
break;
}
+
+ if ((buttons & 0x04) != 0) {
+ eventShift = true;
+ }
+ if ((buttons & 0x08) != 0) {
+ eventAlt = true;
+ }
+ if ((buttons & 0x10) != 0) {
+ eventCtrl = true;
+ }
+
return new TMouseEvent(eventType, x, y, x, y,
eventMouse1, eventMouse2, eventMouse3,
- eventMouseWheelUp, eventMouseWheelDown);
+ eventMouseWheelUp, eventMouseWheelDown,
+ eventAlt, eventCtrl, eventShift);
}
/**
boolean eventMouse3 = false;
boolean eventMouseWheelUp = false;
boolean eventMouseWheelDown = false;
+ boolean eventAlt = false;
+ boolean eventCtrl = false;
+ boolean eventShift = false;
if (release) {
eventType = TMouseEvent.Type.MOUSE_UP;
}
- switch (buttons) {
+ switch (buttons & 0xE3) {
case 0:
eventMouse1 = true;
break;
// Unknown, bail out
return null;
}
+
+ if ((buttons & 0x04) != 0) {
+ eventShift = true;
+ }
+ if ((buttons & 0x08) != 0) {
+ eventAlt = true;
+ }
+ if ((buttons & 0x10) != 0) {
+ eventCtrl = true;
+ }
+
return new TMouseEvent(eventType, x, y, x, y,
eventMouse1, eventMouse2, eventMouse3,
- eventMouseWheelUp, eventMouseWheelDown);
+ eventMouseWheelUp, eventMouseWheelDown,
+ eventAlt, eventCtrl, eventShift);
}
/**
if (decPrivateModeFlag == false) {
break;
}
+ boolean jexerImages = false;
for (String x: params) {
if (x.equals("4")) {
// Terminal reports sixel support
}
jexerImages = true;
}
+ if (x.equals("1337")) {
+ // Terminal reports iTerm2 images support
+ if (debugToStderr) {
+ System.err.println("Device Attributes: iTerm2 images");
+ }
+ iterm2Images = true;
+ }
}
+ if (jexerImages == false) {
+ // Terminal does not support Jexer images, disable
+ // them.
+ jexerImageOption = JexerImageOption.DISABLED;
+ }
+ resetParser();
return;
case 't':
// windowOps
* - enable sixel scrolling
*
* - disable private color registers (so that we can use one common
- * palette)
+ * palette) if sixelSharedPalette is set
*
* @return the string to emit to xterm
*/
private String xtermSetSixelSettings() {
- return "\033[?80h\033[?1070l";
+ if (sixelSharedPalette == true) {
+ return "\033[?80h\033[?1070l";
+ } else {
+ return "\033[?80h\033[?1070h";
+ }
}
/**
if (palette == null) {
palette = new SixelPalette();
- // TODO: make this an option (shared palette or not)
- palette.emitPalette(sb, null);
+ if (sixelSharedPalette == true) {
+ palette.emitPalette(sb, null);
+ }
}
return sb.toString();
if (y == height - 1) {
// We are on the bottom row. If scrolling mode is enabled
// (default), then VT320/xterm will scroll the entire screen if
- // we draw any pixels here.
-
- // TODO: support sixel scrolling mode disabled as an option.
+ // we draw any pixels here. Do not draw the image, bail out
+ // instead.
sb.append(normal());
sb.append(gotoXY(x, y));
for (int j = 0; j < cells.size(); j++) {
// Dither the image. It is ok to lose the original here.
if (palette == null) {
palette = new SixelPalette();
- // TODO: make this an option (shared palette or not)
- palette.emitPalette(sb, null);
+ if (sixelSharedPalette == true) {
+ palette.emitPalette(sb, null);
+ }
}
image = palette.ditherImage(image);
int rasterHeight = 0;
int rasterWidth = image.getWidth();
- /*
-
- // TODO: make this an option (shared palette or not)
-
- // Emit the palette, but only for the colors actually used by these
- // cells.
- boolean [] usedColors = new boolean[sixelPaletteSize];
- for (int imageX = 0; imageX < image.getWidth(); imageX++) {
- for (int imageY = 0; imageY < image.getHeight(); imageY++) {
- usedColors[image.getRGB(imageX, imageY)] = true;
+ if (sixelSharedPalette == false) {
+ // Emit the palette, but only for the colors actually used by
+ // these cells.
+ boolean [] usedColors = new boolean[sixelPaletteSize];
+ for (int imageX = 0; imageX < image.getWidth(); imageX++) {
+ for (int imageY = 0; imageY < image.getHeight(); imageY++) {
+ usedColors[image.getRGB(imageX, imageY)] = true;
+ }
}
+ palette.emitPalette(sb, usedColors);
}
- palette.emitPalette(sb, usedColors);
- */
// Render the entire row of cells.
for (int currentRow = 0; currentRow < fullHeight; currentRow += 6) {
if (iterm2Cache == null) {
iterm2Cache = new ImageCache(height * 10);
- base64 = java.util.Base64.getEncoder();
}
// Save and get rows to/from the cache that do NOT have inverted
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
+ // Piece cells.get(x).getImage() pieces together into one larger
// image for final rendering.
int totalWidth = 0;
int fullWidth = cells.size() * getTextWidth();
return "";
}
- // iTerm2 does not advance the cursor automatically, so place it
- // myself.
sb.append("\033]1337;File=");
/*
sb.append(String.format("width=$d;height=1;preserveAspectRatio=1;",
getTextHeight())));
*/
sb.append("inline=1:");
- sb.append(base64.encodeToString(pngOutputStream.toByteArray()));
+ sb.append(StringUtils.toBase64(pngOutputStream.toByteArray()));
sb.append("\007");
if (saveInCache) {
assert (cells.size() > 0);
assert (cells.get(0).getImage() != null);
- if (jexerImages == false) {
+ if (jexerImageOption == JexerImageOption.DISABLED) {
sb.append(normal());
sb.append(gotoXY(x, y));
for (int i = 0; i < cells.size(); i++) {
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
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
+ // Piece cells.get(x).getImage() pieces together into one larger
// image for final rendering.
int totalWidth = 0;
int fullWidth = cells.size() * getTextWidth();
}
}
- 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);
+ if (jexerImageOption == JexerImageOption.PNG) {
+ // Encode as PNG
+ ByteArrayOutputStream pngOutputStream = new ByteArrayOutputStream(1024);
+ try {
+ if (!ImageIO.write(image.getSubimage(0, 0, image.getWidth(),
+ Math.min(image.getHeight(), fullHeight)),
+ "PNG", pngOutputStream)
+ ) {
+ // We failed to render image, bail out.
+ return "";
+ }
+ } catch (IOException e) {
+ // We failed to render image, bail out.
+ return "";
}
+
+ sb.append("\033]444;1;0;");
+ sb.append(StringUtils.toBase64(pngOutputStream.toByteArray()));
+ sb.append("\007");
+
+ } else if (jexerImageOption == JexerImageOption.JPG) {
+
+ // Encode as JPG
+ ByteArrayOutputStream jpgOutputStream = new ByteArrayOutputStream(1024);
+
+ // Convert from ARGB to RGB, otherwise the JPG encode will fail.
+ BufferedImage jpgImage = new BufferedImage(image.getWidth(),
+ image.getHeight(), BufferedImage.TYPE_INT_RGB);
+ int [] pixels = new int[image.getWidth() * image.getHeight()];
+ image.getRGB(0, 0, image.getWidth(), image.getHeight(), pixels,
+ 0, image.getWidth());
+ jpgImage.setRGB(0, 0, image.getWidth(), image.getHeight(), pixels,
+ 0, image.getWidth());
+
+ try {
+ if (!ImageIO.write(jpgImage.getSubimage(0, 0,
+ jpgImage.getWidth(),
+ Math.min(jpgImage.getHeight(), fullHeight)),
+ "JPG", jpgOutputStream)
+ ) {
+ // We failed to render image, bail out.
+ return "";
+ }
+ } catch (IOException e) {
+ // We failed to render image, bail out.
+ return "";
+ }
+
+ sb.append("\033]444;2;0;");
+ sb.append(StringUtils.toBase64(jpgOutputStream.toByteArray()));
+ sb.append("\007");
+
+ } else if (jexerImageOption == JexerImageOption.RGB) {
+
+ // RGB
+ sb.append(String.format("\033]444;0;%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(StringUtils.toBase64(bytes));
+ sb.append("\007");
}
- sb.append(base64.encodeToString(bytes));
- sb.append("\007");
if (saveInCache) {
// This row is OK to save into the cache.
* @return true if this terminal is emitting Jexer images
*/
public boolean hasJexerImages() {
- return jexerImages;
+ return (jexerImageOption != JexerImageOption.DISABLED);
}
// ------------------------------------------------------------------------
git://git.nikiroo.be / nikiroo-utils.git / blobdiff