Sonstiges/TerminalImageViewer
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Merge branch 'master' of https://github.com/stefanhaustein/TerminalImageViewer

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This commit is contained in:
Stefan Haustein 2016-10-01 13:13:32 +02:00
commit d1debd7f3a
1 changed files with 44 additions and 16 deletions
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src/main/java/TerminalImageViewer.java
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@ -20,6 +20,7 @@ public class TerminalImageViewer {
static boolean grayscale = false;
static int mode = Ansi.MODE_24BIT;
static boolean html = false;
/**
@ -52,6 +53,8 @@ public class TerminalImageViewer {
mode = (mode & ~Ansi.MODE_24BIT) | Ansi.MODE_256;
} else if (option.equals("-grayscale")) {
grayscale = true;
} else if (option.equals("-html")) {
html = true;
} else if (option.equals("-stdin")) {
stdin = true;
}
@ -159,6 +162,8 @@ public class TerminalImageViewer {
System.out.print(imageData.dump(mode));
}
/**
* ANSI control code helpers
*/
@ -245,7 +250,7 @@ public class TerminalImageViewer {
* Assumed bitmaps of the supported characters
*/
static int[] BITMAPS = new int[] {
0x00000000, ' ',
0x00000000, '\u00a0',
// Block graphics
@ -477,6 +482,9 @@ public class TerminalImageViewer {
this.data = new byte[width * height * 4];
}
public String hex6(int r, int g, int b) {
return Integer.toHexString((1 << 24) | ((r & 255) << 16) | ((g & 255) << 8) | (b & 255)).substring(1);
}
/**
* Convert the image to an Ansi control character string setting the colors
*/
@ -486,24 +494,44 @@ public class TerminalImageViewer {
for (int y = 0; y < height - 7; y += 8) {
int pos = y * width * 4;
String lastFg = "";
String lastBg = "";
for (int x = 0; x < width - 3; x += 4) {
blockChar.load(data, pos, width * 4);
String fg = Ansi.color(Ansi.FG|mode, blockChar.fgColor[0], blockChar.fgColor[1], blockChar.fgColor[2]);
String bg = Ansi.color(Ansi.BG|mode, blockChar.bgColor[0], blockChar.bgColor[1], blockChar.bgColor[2]);
if (!fg.equals(lastFg)) {
sb.append(fg);
lastFg = fg;
if (html) {
String last = "";
for (int x = 0; x < width - 3; x += 4) {
blockChar.load(data, pos, width * 4);
String fg = hex6(blockChar.fgColor[0], blockChar.fgColor[1], blockChar.fgColor[2]);
String bg = hex6(blockChar.bgColor[0], blockChar.bgColor[1], blockChar.bgColor[2]);
String style = "background-color:#" + bg + ";color:#" + fg;
if (!style.equals(last)) {
if (!last.isEmpty()) {
sb.append("</tt>");
}
sb.append("<tt style='").append(style).append("'>");
last = style;
}
sb.append("&#" + ((int) blockChar.character) + ";");
pos += 16;
}
if (!bg.equals(lastBg)) {
sb.append(bg);
lastBg = bg;
sb.append("</tt><br />\n");
} else {
String lastFg = "";
String lastBg = "";
for (int x = 0; x < width - 3; x += 4) {
blockChar.load(data, pos, width * 4);
String fg = Ansi.color(Ansi.FG | mode, blockChar.fgColor[0], blockChar.fgColor[1], blockChar.fgColor[2]);
String bg = Ansi.color(Ansi.BG | mode, blockChar.bgColor[0], blockChar.bgColor[1], blockChar.bgColor[2]);
if (!fg.equals(lastFg)) {
sb.append(fg);
lastFg = fg;
}
if (!bg.equals(lastBg)) {
sb.append(bg);
lastBg = bg;
}
sb.append(blockChar.character);
pos += 16;
}
sb.append(blockChar.character);
pos += 16;
sb.append(Ansi.RESET).append("\n");
}
sb.append(Ansi.RESET).append("\n");
}
return sb.toString();
}