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remove dead code

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This commit is contained in:
Tamius Han 2020-05-26 01:40:04 +02:00
parent 45a2e5894d
commit 124dc33828
1 changed files with 5 additions and 40 deletions
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45
src/ext/lib/ar-detect/AardGl.js
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@ -521,55 +521,20 @@ class AardGl {
var startTime = performance.now();
//
// [0] blackframe tests (they also determine whether we need fallback mode)
// [0] try drawing image to canvas
//
try {
this.blackframeContext.drawImage(this.video, 0, 0, this.blackframeCanvas.width, this.blackframeCanvas.height);
this.drawFrame();
this.fallbackMode = false;
} catch (e) {
this.logger.log('error', 'arDetect', `%c[AardGl::frameCheck] <@${this.arid}> %c[AardGl::frameCheck] can't draw image on canvas. ${this.canDoFallbackMode ? 'Trying canvas.drawWindow instead' : 'Doing nothing as browser doesn\'t support fallback mode.'}`, "color:#000; backgroud:#f51;", e);
// nothing to see here, really, if fallback mode isn't supported by browser
if (! this.canDoFallbackMode) {
return;
}
if (! this.canvasReadyForDrawWindow()) {
// this means canvas needs to be resized, so we'll just re-run setup with all those new parameters
this.stop();
let newCanvasWidth = window.innerHeight * (this.video.videoWidth / this.video.videoHeight);
let newCanvasHeight = window.innerHeight;
if (this.conf.resizer.videoAlignment === VideoAlignment.Center) {
this.canvasDrawWindowHOffset = Math.round((window.innerWidth - newCanvasWidth) * 0.5);
} else if (this.conf.resizer.videoAlignment === VideoAlignment.Left) {
this.canvasDrawWindowHOffset = 0;
} else {
this.canvasDrawWindowHOffset = window.innerWidth - newCanvasWidth;
}
this.setup(newCanvasWidth, newCanvasHeight);
return;
}
// if this is the case, we'll first draw on canvas, as we'll need intermediate canvas if we want to get a
// smaller sample for blackframe check
this.fallbackMode = true;
try {
this.context.drawWindow(window, this.canvasDrawWindowHOffset, 0, this.canvas.width, this.canvas.height, "rgba(0,0,128,1)");
} catch (e) {
this.logger.log('error', 'arDetect', `%c[AardGl::frameCheck] can't draw image on canvas with fallback mode either. This error is prolly only temporary.`, "color:#000; backgroud:#f51;", e);
return; // it's prolly just a fluke, so we do nothing special here
}
// draw blackframe sample from our main sample:
this.blackframeContext.drawImage(this.canvas, this.blackframeCanvas.width, this.blackframeCanvas.height)
this.logger.log('info', 'arDetect_verbose', `%c[AardGl::frameCheck] canvas.drawImage seems to have worked`, "color:#000; backgroud:#2f5;");
}
// [1]
this.clearImageData(imageData);
}