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Stack glow proportional to scale (#615)

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This commit is contained in:
Tim Mickel 2016-09-21 13:21:13 -04:00 • committed by GitHub
parent 3ed6f33815
commit 4bbfa87b05
2 changed files with 15 additions and 1 deletions
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2
core/inject.js
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@ -115,7 +115,7 @@ Blockly.createDom_ = function(container, options) {
var stackGlowFilter = Blockly.createSvgElement('filter',
{'id': 'blocklyStackGlowFilter',
'height': '160%', 'width': '180%', y: '-30%', x: '-40%'}, defs);
Blockly.createSvgElement('feGaussianBlur',
options.stackGlowBlur = Blockly.createSvgElement('feGaussianBlur',
{'in': 'SourceGraphic',
'stdDeviation': Blockly.STACK_GLOW_RADIUS}, stackGlowFilter);
// Set all gaussian blur pixels to 1 opacity before applying flood

14
core/workspace_svg.js
View file

@ -297,6 +297,7 @@ Blockly.WorkspaceSvg.prototype.createDom = function(opt_backgroundClass) {
this.addFlyout_();
}
this.updateGridPattern_();
this.updateStackGlowScale_();
this.recordDeleteAreas();
return this.svgGroup_;
};
@ -1371,6 +1372,7 @@ Blockly.WorkspaceSvg.prototype.setScale = function(newScale) {
newScale = this.options.zoomOptions.minScale;
}
this.scale = newScale;
this.updateStackGlowScale_();
this.updateGridPattern_();
// Hide the WidgetDiv without animation (zoom makes field out of place with div)
Blockly.WidgetDiv.hide(true);
@ -1446,6 +1448,18 @@ Blockly.WorkspaceSvg.prototype.updateGridPattern_ = function() {
}
};
/**
* Update the workspace's stack glow radius to be proportional to scale.
* Ensures that stack glows always appear to be a fixed size.
*/
Blockly.WorkspaceSvg.prototype.updateStackGlowScale_ = function() {
// No such def in the flyout workspace.
if (this.options.stackGlowBlur) {
this.options.stackGlowBlur.setAttribute('stdDeviation',
Blockly.STACK_GLOW_RADIUS / this.scale
);
}
};
/**
* Return an object with all the metrics required to size scrollbars for a