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Vince
2012-09-08 23:59:13 +02:00
parent f169a90644 df405d917f
commit 1a99fed64d
4 changed files with 56 additions and 16 deletions
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28
js/piskel.js
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@@ -105,8 +105,32 @@ $.namespace("pskl");
* @private
*/
calculateDPIsForDrawingCanvas_ : function() {
var availableViewportHeight = $('.main-panel').height() - 50;
return Math.floor(availableViewportHeight / framePixelHeight);
var availableViewportHeight = $('.main-panel').height() - 50,
availableViewportWidth = $('.main-panel').width(),
previewHeight = $(".preview-container").height(),
previewWidth = $(".preview-container").width();
var heightBoundDpi = Math.floor(availableViewportHeight / framePixelHeight),
widthBoundDpi = Math.floor(availableViewportWidth / framePixelWidth);
var dpi = Math.min(heightBoundDpi, widthBoundDpi);
var drawingCanvasHeight = dpi * framePixelHeight;
var drawingCanvasWidth = dpi * framePixelWidth;
// Check if preview and drawing canvas overlap
var heightGap = drawingCanvasHeight + previewHeight - availableViewportHeight,
widthGap = drawingCanvasWidth + previewWidth - availableViewportWidth;
if (heightGap > 0 && widthGap > 0) {
// Calculate the DPI change needed to bridge height and width gap
var heightGapDpi = Math.ceil(heightGap / framePixelHeight),
widthGapDpi = Math.ceil(widthGap / framePixelWidth);
// substract smallest dpi change to initial dpi
dpi -= Math.min(heightGapDpi, widthGapDpi);
}
return dpi;
},
finishInit : function () {