waveterm/xterm.js
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fix double underline, upwards

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This commit is contained in:
tisilent
2023-08-08 18:36:44 +08:00
parent 4f41070b45
commit 3ba579f680
1 changed files with 6 additions and 5 deletions
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src/browser/renderer/shared/TextureAtlas.ts
+6 -5
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@@ -534,6 +534,7 @@ export class TextureAtlas implements ITextureAtlas {
const yTop = Math.ceil(padding + this._config.deviceCharHeight) - yOffset;
const yMid = padding + this._config.deviceCharHeight + lineWidth - yOffset;
const yBot = Math.ceil(padding + this._config.deviceCharHeight + lineWidth * 2) - yOffset;
const ySpace = lineWidth * 2;
for (let i = 0; i < chWidth; i++) {
this._tmpCtx.save();
@@ -542,10 +543,10 @@ export class TextureAtlas implements ITextureAtlas {
const xChMid = xChLeft + this._config.deviceCellWidth / 2;
switch (this._workAttributeData.extended.underlineStyle) {
case UnderlineStyle.DOUBLE:
this._tmpCtx.moveTo(xChLeft, yTop - ySpace);
this._tmpCtx.lineTo(xChRight, yTop - ySpace);
this._tmpCtx.moveTo(xChLeft, yTop);
this._tmpCtx.lineTo(xChRight, yTop);
this._tmpCtx.moveTo(xChLeft, yBot);
this._tmpCtx.lineTo(xChRight, yBot);
break;
case UnderlineStyle.CURLY:
// Choose the bezier top and bottom based on the device pixel ratio, the curly line is
@@ -1019,13 +1020,13 @@ function clearColor(imageData: ImageData, bg: IColor, fg: IColor, enableThreshol
for (let offset = 0; offset < imageData.data.length; offset += 4) {
// Check exact match
if (imageData.data[offset] === r &&
imageData.data[offset + 1] === g &&
imageData.data[offset + 2] === b) {
imageData.data[offset + 1] === g &&
imageData.data[offset + 2] === b) {
imageData.data[offset + 3] = 0;
} else {
// Check the threshold based difference
if (enableThresholdCheck &&
(Math.abs(imageData.data[offset] - r) +
(Math.abs(imageData.data[offset] - r) +
Math.abs(imageData.data[offset + 1] - g) +
Math.abs(imageData.data[offset + 2] - b)) < threshold) {
imageData.data[offset + 3] = 0;