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Use 3 param method for converting r,g,b into css string.

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This avoids creation of temporary arrays to pass them into the util
method. Also using "arguments" is more expensive then passing in 3
parameters.
This commit is contained in:
Fabian Lange 2014-10-27 21:30:47 +01:00
parent d65db7c5ed
commit ceffeab1de
6 changed files with 23 additions and 23 deletions
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24
src/display/annotation_helper.js
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@ -62,11 +62,9 @@ var AnnotationUtils = (function AnnotationUtilsClosure() {
container.style.backgroundColor = item.color;
var color = item.color;
var rgb = [];
for (var i = 0; i < 3; ++i) {
rgb[i] = Math.round(color[i] * 255);
}
item.colorCssRgb = Util.makeCssRgb(rgb);
item.colorCssRgb = Util.makeCssRgb(Math.round(color[0] * 255),
Math.round(color[1] * 255),
Math.round(color[2] * 255));
var highlight = document.createElement('div');
highlight.className = 'annotationHighlight';
@ -136,13 +134,15 @@ var AnnotationUtils = (function AnnotationUtilsClosure() {
var i, ii;
if (item.hasBgColor) {
var color = item.color;
var rgb = [];
for (i = 0; i < 3; ++i) {
// Enlighten the color (70%)
var c = Math.round(color[i] * 255);
rgb[i] = Math.round((255 - c) * 0.7) + c;
}
content.style.backgroundColor = Util.makeCssRgb(rgb);
// Enlighten the color (70%)
var BACKGROUND_ENLIGHT = 0.7;
var r = BACKGROUND_ENLIGHT * (1.0 - color[0]) + color[0];
var g = BACKGROUND_ENLIGHT * (1.0 - color[1]) + color[1];
var b = BACKGROUND_ENLIGHT * (1.0 - color[2]) + color[2];
content.style.backgroundColor = Util.makeCssRgb((r * 255) | 0,
(g * 255) | 0,
(b * 255) | 0);
}
var title = document.createElement('h1');