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update files

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nuintun 2015-12-04 16:56:00 +08:00
parent a6438766d1
commit b18bcec73d
1 changed files with 9 additions and 6 deletions
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15
static/js/terminal/canvas-xterm.js
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@ -78,6 +78,7 @@ CanvasXTerm.prototype = {
var context = this; var context = this;
var rows = screen.rows; var rows = screen.rows;
var cols = screen.cols; var cols = screen.cols;
var lineCache = null;
var attrCache = null; var attrCache = null;
var stylesCache = null; var stylesCache = null;
var width, height; var width, height;
@ -120,10 +121,10 @@ CanvasXTerm.prototype = {
x = 0; x = 0;
y = i * this.font.lineHeight; y = i * this.font.lineHeight;
line = this.lru.get(line.id); lineCache = this.lru.get(line.id);
if (line && line.version === screen.buffer[i].version) { if (lineCache && lineCache.version === line.version) {
this.brush.drawImage(line.canvas, 0, y, line.canvas.width, line.canvas.height); this.brush.drawImage(lineCache.canvas, 0, y, lineCache.canvas.width, lineCache.canvas.height);
continue; continue;
} }
@ -134,7 +135,7 @@ CanvasXTerm.prototype = {
brush = canvas.getContext('2d'); brush = canvas.getContext('2d');
for (j = 0; j < cols; j++) { for (j = 0; j < cols; j++) {
node = screen.buffer[i].cells[j]; node = line.cells[j];
if (!node) { if (!node) {
continue; continue;
@ -160,9 +161,11 @@ CanvasXTerm.prototype = {
} }
this.brush.drawImage(canvas, 0, y, canvas.width, canvas.height); this.brush.drawImage(canvas, 0, y, canvas.width, canvas.height);
this.lru.set(screen.buffer[i].id, {
// cache line
this.lru.set(line.id, {
canvas: canvas, canvas: canvas,
version: screen.buffer[i].version version: line.version
}); });
} }
}, },