Merge branch 'master' into 1360_dom_renderer

This commit is contained in:
Daniel Imms
2018-05-15 10:08:09 -07:00
committed by GitHub
11 changed files with 123 additions and 106 deletions
+13 -22
View File
@@ -243,23 +243,21 @@ export abstract class BaseRenderLayer implements IRenderLayer {
* @param bold Whether the text is bold.
*/
protected drawChar(terminal: ITerminal, char: string, code: number, width: number, x: number, y: number, fg: number, bg: number, bold: boolean, dim: boolean, italic: boolean): void {
let colorIndex = 0;
if (fg < 256) {
colorIndex = fg + 2;
} else {
// If default color and bold
if (bold && terminal.options.enableBold) {
colorIndex = 1;
}
}
const isAscii = code < 256;
// A color is basic if it is one of the standard normal or bold weight
// colors of the characters held in the char atlas. Note that this excludes
// the normal weight _light_ color characters.
const isBasicColor = (colorIndex > 1 && fg < 16) && (fg < 8 || bold);
// A color is basic if it is one of the 4 bit ANSI colors.
const isBasicColor = fg < 16;
const isDefaultColor = fg >= 256;
const isDefaultBackground = bg >= 256;
const drawInBrightColor = (terminal.options.drawBoldTextInBrightColors && bold && fg < 8);
if (this._charAtlas && isAscii && (isBasicColor || isDefaultColor) && isDefaultBackground && !italic) {
this._ctx.save(); // we may set globalAlpha, so we need to be able to restore
let colorIndex: number;
if (isDefaultColor) {
colorIndex = (bold && terminal.options.enableBold ? 1 : 0);
} else {
colorIndex = 2 + fg + (bold && terminal.options.enableBold ? 16 : 0) + (drawInBrightColor ? 8 : 0);
}
// ImageBitmap's draw about twice as fast as from a canvas
const charAtlasCellWidth = this._scaledCharWidth + CHAR_ATLAS_CELL_SPACING;
const charAtlasCellHeight = this._scaledCharHeight + CHAR_ATLAS_CELL_SPACING;
@@ -269,14 +267,6 @@ export abstract class BaseRenderLayer implements IRenderLayer {
this._ctx.globalAlpha = DIM_OPACITY;
}
// Draw the non-bold version of the same color if bold is not enabled
if (bold && !terminal.options.enableBold) {
// Ignore default color as it's not touched above
if (colorIndex > 1) {
colorIndex -= 8;
}
}
this._ctx.drawImage(this._charAtlas,
code * charAtlasCellWidth,
colorIndex * charAtlasCellHeight,
@@ -286,8 +276,9 @@ export abstract class BaseRenderLayer implements IRenderLayer {
y * this._scaledCellHeight + this._scaledCharTop,
charAtlasCellWidth,
this._scaledCharHeight);
this._ctx.restore();
} else {
this._drawUncachedChar(terminal, char, width, fg, x, y, bold && terminal.options.enableBold, dim, italic);
this._drawUncachedChar(terminal, char, width, fg + (drawInBrightColor ? 8 : 0), x, y, bold && terminal.options.enableBold, dim, italic);
}
// This draws the atlas (for debugging purposes)
// this._ctx.clearRect(0, 0, this._canvas.width, this._canvas.height);
-7
View File
@@ -116,13 +116,6 @@ export class TextRenderLayer extends BaseRenderLayer {
}
}
if (flags & FLAGS.BOLD) {
// Convert the FG color to the bold variant
if (fg < 8) {
fg += 8;
}
}
callback(code, char, width, x, y, fg, bg, flags);
}
}
+7 -8
View File
@@ -35,15 +35,14 @@ export function acquireCharAtlas(terminal: ITerminal, colors: IColorSet, scaledC
if (ownedByIndex >= 0) {
if (configEquals(entry.config, newConfig)) {
return entry.bitmap;
} else {
// The configs differ, release the terminal from the entry
if (entry.ownedBy.length === 1) {
charAtlasCache.splice(i, 1);
} else {
entry.ownedBy.splice(ownedByIndex, 1);
}
break;
}
// The configs differ, release the terminal from the entry
if (entry.ownedBy.length === 1) {
charAtlasCache.splice(i, 1);
} else {
entry.ownedBy.splice(ownedByIndex, 1);
}
break;
}
}