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Pull out barCanvas into the functional component

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This commit is contained in:
Jordan Eldredge 2019-12-26 14:13:33 -08:00
parent 17bba20ce4
commit 782e53b460
1 changed files with 6 additions and 10 deletions
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16
js/components/Visualizer.js
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@ -30,6 +30,10 @@ function Wrapper(props) {
);
}, [height, props.colors, props.windowShade, width]);
const barCanvas = useMemo(() => {
return preRenderBar(height, props.colors, renderHeight);
}, [height, props.colors, renderHeight]);
const visualizerProps = {
...props,
renderHeight,
@ -37,6 +41,7 @@ function Wrapper(props) {
height,
width,
bgCanvas,
barCanvas,
};
return <Visualizer {...visualizerProps} />;
@ -85,7 +90,6 @@ class Visualizer extends React.Component {
}
// TODO: Split this into to methods. One for skin update, one for style
// update.
this.preRenderBar();
this.props.analyser.fftSize = 2048;
if (this.props.style === VISUALIZERS.OSCILLOSCOPE) {
this.bufferLength = this.props.analyser.fftSize;
@ -100,14 +104,6 @@ class Visualizer extends React.Component {
}
}
preRenderBar() {
this.barCanvas = preRenderBar(
this.props.height,
this.props.colors,
this.props.renderHeight
);
}
paintFrame() {
switch (this.props.style) {
case VISUALIZERS.OSCILLOSCOPE:
@ -134,7 +130,7 @@ class Visualizer extends React.Component {
barPeakFrames: this.barPeakFrames,
height: this.props.height,
canvasCtx: this.canvasCtx,
barCanvas: this.barCanvas,
barCanvas: this.props.barCanvas,
windowShade: this.props.windowShade,
colors: this.props.colors,
});