mirror of
https://github.com/lospec/pixel-editor.git
synced 2023-08-10 21:12:51 +03:00
41 lines
1.6 KiB
JavaScript
41 lines
1.6 KiB
JavaScript
function Canvas(width, height, canvas) {
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this.canvasSize = [width, height],
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this.canvas = canvas,
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this.context = this.canvas.getContext("2d"),
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// Initializes the canvas
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this.initialize = function() {
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var maxHorizontalZoom = Math.floor(window.innerWidth/this.canvasSize[0]*0.75);
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var maxVerticalZoom = Math.floor(window.innerHeight/this.canvasSize[1]*0.75);
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zoom = Math.min(maxHorizontalZoom,maxVerticalZoom);
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if (zoom < 1) zoom = 1;
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//resize canvas
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this.canvas.width = this.canvasSize[0];
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this.canvas.height = this.canvasSize[1];
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this.canvas.style.width = (this.canvas.width*zoom)+'px';
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this.canvas.style.height = (this.canvas.height*zoom)+'px';
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//unhide canvas
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this.canvas.style.display = 'block';
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//center canvas in window
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this.canvas.style.left = 64+canvasView.clientWidth/2-(this.canvasSize[0]*zoom/2)+'px';
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this.canvas.style.top = 48+canvasView.clientHeight/2-(this.canvasSize[1]*zoom/2)+'px';
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},
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this.resize = function() {
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let newWidth = (this.canvas.width * zoom) + 'px';
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let newHeight = (this.canvas.height *zoom)+ 'px';
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this.canvas.style.width = newWidth;
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this.canvas.style.height = newHeight;
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},
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// Copies the otherCanvas' position and size
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this.copyData = function(otherCanvas) {
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this.canvas.style.width = otherCanvas.canvas.style.width;
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this.canvas.style.height = otherCanvas.canvas.style.height;
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this.canvas.style.left = otherCanvas.canvas.style.left;
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this.canvas.style.top = otherCanvas.canvas.style.top;
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}
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} |