Merge branch 'master' into 1737_inverse_dynamic_cache

This commit is contained in:
Daniel Imms
2018-11-23 08:52:32 -08:00
committed by GitHub
42 changed files with 949 additions and 366 deletions
+6 -1
View File
@@ -129,12 +129,17 @@ export default class DynamicCharAtlas extends BaseCharAtlas {
return true;
}
// Exit early for uncachable glyphs
if (!this._canCache(glyph)) {
return false;
}
const glyphKey = getGlyphCacheKey(glyph);
const cacheValue = this._cacheMap.get(glyphKey);
if (cacheValue !== null && cacheValue !== undefined) {
this._drawFromCache(ctx, cacheValue, x, y);
return true;
} else if (this._canCache(glyph) && this._drawToCacheCount < FRAME_CACHE_DRAW_LIMIT) {
} else if (this._drawToCacheCount < FRAME_CACHE_DRAW_LIMIT) {
let index;
if (this._cacheMap.size < this._cacheMap.capacity) {
index = this._cacheMap.size;
+25 -18
View File
@@ -95,22 +95,25 @@ export class DomRenderer extends EventEmitter implements IRenderer {
}
private _updateDimensions(): void {
this.dimensions.scaledCharWidth = this._terminal.charMeasure.width * window.devicePixelRatio;
this.dimensions.scaledCharHeight = this._terminal.charMeasure.height * window.devicePixelRatio;
this.dimensions.scaledCellWidth = this.dimensions.scaledCharWidth;
this.dimensions.scaledCellHeight = this.dimensions.scaledCharHeight;
this.dimensions.scaledCharWidth = Math.floor(this._terminal.charMeasure.width * window.devicePixelRatio);
this.dimensions.scaledCharHeight = Math.ceil(this._terminal.charMeasure.height * window.devicePixelRatio);
this.dimensions.scaledCellWidth = this.dimensions.scaledCharWidth + Math.round(this._terminal.options.letterSpacing);
this.dimensions.scaledCellHeight = Math.floor(this.dimensions.scaledCharHeight * this._terminal.options.lineHeight);
this.dimensions.scaledCharLeft = 0;
this.dimensions.scaledCharTop = 0;
this.dimensions.scaledCanvasWidth = this.dimensions.scaledCellWidth * this._terminal.cols;
this.dimensions.scaledCanvasHeight = this.dimensions.scaledCellHeight * this._terminal.rows;
this.dimensions.canvasWidth = this._terminal.charMeasure.width * this._terminal.cols;
this.dimensions.canvasHeight = this._terminal.charMeasure.height * this._terminal.rows;
this.dimensions.actualCellWidth = this._terminal.charMeasure.width;
this.dimensions.actualCellHeight = this._terminal.charMeasure.height;
this.dimensions.canvasWidth = Math.round(this.dimensions.scaledCanvasWidth / window.devicePixelRatio);
this.dimensions.canvasHeight = Math.round(this.dimensions.scaledCanvasHeight / window.devicePixelRatio);
this.dimensions.actualCellWidth = this.dimensions.canvasWidth / this._terminal.cols;
this.dimensions.actualCellHeight = this.dimensions.canvasHeight / this._terminal.rows;
this._rowElements.forEach(element => {
element.style.width = `${this.dimensions.canvasWidth}px`;
element.style.height = `${this._terminal.charMeasure.height}px`;
element.style.height = `${this.dimensions.actualCellHeight}px`;
element.style.lineHeight = `${this.dimensions.actualCellHeight}px`;
// Make sure rows don't overflow onto following row
element.style.overflow = 'hidden';
});
if (!this._dimensionsStyleElement) {
@@ -123,14 +126,14 @@ export class DomRenderer extends EventEmitter implements IRenderer {
` display: inline-block;` +
` height: 100%;` +
` vertical-align: top;` +
` width: ${this._terminal.charMeasure.width}px` +
` width: ${this.dimensions.actualCellWidth}px` +
`}`;
this._dimensionsStyleElement.innerHTML = styles;
this._selectionContainer.style.height = (<any>this._terminal)._viewportElement.style.height;
this._rowContainer.style.width = `${this.dimensions.canvasWidth}px`;
this._rowContainer.style.height = `${this.dimensions.canvasHeight}px`;
this._terminal.screenElement.style.width = `${this.dimensions.canvasWidth}px`;
this._terminal.screenElement.style.height = `${this.dimensions.canvasHeight}px`;
}
public setTheme(theme: ITheme | undefined): IColorSet {
@@ -294,10 +297,10 @@ export class DomRenderer extends EventEmitter implements IRenderer {
*/
private _createSelectionElement(row: number, colStart: number, colEnd: number, rowCount: number = 1): HTMLElement {
const element = document.createElement('div');
element.style.height = `${rowCount * this._terminal.charMeasure.height}px`;
element.style.top = `${row * this._terminal.charMeasure.height}px`;
element.style.left = `${colStart * this._terminal.charMeasure.width}px`;
element.style.width = `${this._terminal.charMeasure.width * (colEnd - colStart)}px`;
element.style.height = `${rowCount * this.dimensions.actualCellHeight}px`;
element.style.top = `${row * this.dimensions.actualCellHeight}px`;
element.style.left = `${colStart * this.dimensions.actualCellWidth}px`;
element.style.width = `${this.dimensions.actualCellWidth * (colEnd - colStart)}px`;
return element;
}
@@ -333,7 +336,7 @@ export class DomRenderer extends EventEmitter implements IRenderer {
const row = y + terminal.buffer.ydisp;
const lineData = terminal.buffer.lines.get(row);
const cursorStyle = terminal.options.cursorStyle;
rowElement.appendChild(this._rowFactory.createRow(lineData, row === cursorAbsoluteY, cursorStyle, cursorX, terminal.charMeasure.width, terminal.cols));
rowElement.appendChild(this._rowFactory.createRow(lineData, row === cursorAbsoluteY, cursorStyle, cursorX, this.dimensions.actualCellWidth, terminal.cols));
}
this._terminal.emit('refresh', {start, end});
@@ -356,7 +359,11 @@ export class DomRenderer extends EventEmitter implements IRenderer {
private _setCellUnderline(x: number, x2: number, y: number, y2: number, cols: number, enabled: boolean): void {
while (x !== x2 || y !== y2) {
const span = <HTMLElement>this._rowElements[y].children[x];
const row = this._rowElements[y];
if (!row) {
return;
}
const span = <HTMLElement>row.children[x];
span.style.textDecoration = enabled ? 'underline' : 'none';
x = (x + 1) % cols;
if (x === 0) {
+11 -21
View File
@@ -24,11 +24,10 @@ describe('DomRendererRowFactory', () => {
});
describe('createRow', () => {
it('should create an element for every character in the row', () => {
it('should not create anything for an empty row', () => {
const fragment = rowFactory.createRow(lineData, false, undefined, 0, 5, 20);
assert.equal(getFragmentHtml(fragment),
'<span> </span>' +
'<span> </span>'
''
);
});
@@ -46,8 +45,7 @@ describe('DomRendererRowFactory', () => {
for (const style of ['block', 'bar', 'underline']) {
const fragment = rowFactory.createRow(lineData, true, style, 0, 5, 20);
assert.equal(getFragmentHtml(fragment),
`<span class="xterm-cursor xterm-cursor-${style}"> </span>` +
'<span> </span>'
`<span class="xterm-cursor xterm-cursor-${style}"> </span>`
);
}
});
@@ -66,8 +64,7 @@ describe('DomRendererRowFactory', () => {
lineData.set(0, [DEFAULT_ATTR | (FLAGS.BOLD << 18), 'a', 1, 'a'.charCodeAt(0)]);
const fragment = rowFactory.createRow(lineData, false, undefined, 0, 5, 20);
assert.equal(getFragmentHtml(fragment),
'<span class="xterm-bold">a</span>' +
'<span> </span>'
'<span class="xterm-bold">a</span>'
);
});
@@ -75,8 +72,7 @@ describe('DomRendererRowFactory', () => {
lineData.set(0, [DEFAULT_ATTR | (FLAGS.ITALIC << 18), 'a', 1, 'a'.charCodeAt(0)]);
const fragment = rowFactory.createRow(lineData, false, undefined, 0, 5, 20);
assert.equal(getFragmentHtml(fragment),
'<span class="xterm-italic">a</span>' +
'<span> </span>'
'<span class="xterm-italic">a</span>'
);
});
@@ -86,8 +82,7 @@ describe('DomRendererRowFactory', () => {
lineData.set(0, [defaultAttrNoFgColor | (i << 9), 'a', 1, 'a'.charCodeAt(0)]);
const fragment = rowFactory.createRow(lineData, false, undefined, 0, 5, 20);
assert.equal(getFragmentHtml(fragment),
`<span class="xterm-fg-${i}">a</span>` +
'<span> </span>'
`<span class="xterm-fg-${i}">a</span>`
);
}
});
@@ -98,8 +93,7 @@ describe('DomRendererRowFactory', () => {
lineData.set(0, [defaultAttrNoBgColor | (i << 0), 'a', 1, 'a'.charCodeAt(0)]);
const fragment = rowFactory.createRow(lineData, false, undefined, 0, 5, 20);
assert.equal(getFragmentHtml(fragment),
`<span class="xterm-bg-${i}">a</span>` +
'<span> </span>'
`<span class="xterm-bg-${i}">a</span>`
);
}
});
@@ -108,8 +102,7 @@ describe('DomRendererRowFactory', () => {
lineData.set(0, [(FLAGS.INVERSE << 18) | (2 << 9) | (1 << 0), 'a', 1, 'a'.charCodeAt(0)]);
const fragment = rowFactory.createRow(lineData, false, undefined, 0, 5, 20);
assert.equal(getFragmentHtml(fragment),
'<span class="xterm-fg-1 xterm-bg-2">a</span>' +
'<span> </span>'
'<span class="xterm-fg-1 xterm-bg-2">a</span>'
);
});
@@ -117,8 +110,7 @@ describe('DomRendererRowFactory', () => {
lineData.set(0, [(FLAGS.INVERSE << 18) | (DEFAULT_ATTR << 9) | (1 << 0), 'a', 1, 'a'.charCodeAt(0)]);
const fragment = rowFactory.createRow(lineData, false, undefined, 0, 5, 20);
assert.equal(getFragmentHtml(fragment),
'<span class="xterm-fg-1 xterm-bg-257">a</span>' +
'<span> </span>'
'<span class="xterm-fg-1 xterm-bg-257">a</span>'
);
});
@@ -126,8 +118,7 @@ describe('DomRendererRowFactory', () => {
lineData.set(0, [(FLAGS.INVERSE << 18) | (1 << 9) | (DEFAULT_COLOR << 0), 'a', 1, 'a'.charCodeAt(0)]);
const fragment = rowFactory.createRow(lineData, false, undefined, 0, 5, 20);
assert.equal(getFragmentHtml(fragment),
'<span class="xterm-fg-257 xterm-bg-1">a</span>' +
'<span> </span>'
'<span class="xterm-fg-257 xterm-bg-1">a</span>'
);
});
@@ -136,8 +127,7 @@ describe('DomRendererRowFactory', () => {
lineData.set(0, [(FLAGS.BOLD << 18) | (i << 9) | (DEFAULT_COLOR << 0), 'a', 1, 'a'.charCodeAt(0)]);
const fragment = rowFactory.createRow(lineData, false, undefined, 0, 5, 20);
assert.equal(getFragmentHtml(fragment),
`<span class="xterm-bold xterm-fg-${i + 8}">a</span>` +
'<span> </span>'
`<span class="xterm-bold xterm-fg-${i + 8}">a</span>`
);
}
});
+20 -12
View File
@@ -3,7 +3,7 @@
* @license MIT
*/
import { CHAR_DATA_CHAR_INDEX, CHAR_DATA_ATTR_INDEX, CHAR_DATA_WIDTH_INDEX } from '../../Buffer';
import { CHAR_DATA_CHAR_INDEX, CHAR_DATA_ATTR_INDEX, CHAR_DATA_WIDTH_INDEX, CHAR_DATA_CODE_INDEX, NULL_CELL_CODE } from '../../Buffer';
import { FLAGS } from '../Types';
import { IBufferLine } from '../../Types';
import { DEFAULT_COLOR, INVERTED_DEFAULT_COLOR } from '../atlas/Types';
@@ -23,18 +23,27 @@ export class DomRendererRowFactory {
public createRow(lineData: IBufferLine, isCursorRow: boolean, cursorStyle: string | undefined, cursorX: number, cellWidth: number, cols: number): DocumentFragment {
const fragment = this._document.createDocumentFragment();
let colCount = 0;
for (let x = 0; x < lineData.length; x++) {
// Don't allow any buffer to the right to be displayed
if (colCount >= cols) {
continue;
}
// Find the line length first, this prevents the need to output a bunch of
// empty cells at the end. This cannot easily be integrated into the main
// loop below because of the colCount feature (which can be removed after we
// properly support reflow and disallow data to go beyond the right-side of
// the viewport).
let lineLength = 0;
for (let x = Math.min(lineData.length, cols) - 1; x >= 0; x--) {
const charData = lineData.get(x);
const char: string = charData[CHAR_DATA_CHAR_INDEX];
const attr: number = charData[CHAR_DATA_ATTR_INDEX];
const width: number = charData[CHAR_DATA_WIDTH_INDEX];
const code = charData[CHAR_DATA_CODE_INDEX];
if (code !== NULL_CELL_CODE || (isCursorRow && x === cursorX)) {
lineLength = x + 1;
break;
}
}
for (let x = 0; x < lineLength; x++) {
const charData = lineData.get(x);
const char = charData[CHAR_DATA_CHAR_INDEX];
const attr = charData[CHAR_DATA_ATTR_INDEX];
const width = charData[CHAR_DATA_WIDTH_INDEX];
// The character to the left is a wide character, drawing is owned by the char at x-1
if (width === 0) {
@@ -100,7 +109,6 @@ export class DomRendererRowFactory {
charElement.classList.add(`xterm-bg-${bg}`);
}
fragment.appendChild(charElement);
colCount += width;
}
return fragment;
}