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[Plot] Complete coverage of PlotLineBuffer

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WTD-806.
This commit is contained in:
Victor Woeltjen
2015-04-17 12:26:44 -07:00
parent 6551e9212d
commit 4d34f19aa2
2 changed files with 56 additions and 5 deletions
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15
platform/features/plot/src/elements/PlotLineBuffer.js
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@ -44,7 +44,7 @@ define(
// Increase the size of the buffer
function doubleBufferSize() {
var sz = Math.min(maxSize, buffer.length * 2),
var sz = Math.min(maxSize * 2, buffer.length * 2),
canDouble = sz > buffer.length,
doubled = canDouble && new Float32Array(sz);
@ -58,7 +58,7 @@ define(
// Decrease the size of the buffer
function halveBufferSize() {
var sz = Math.max(initialSize, buffer.length / 2),
var sz = Math.max(initialSize * 2, buffer.length / 2),
canHalve = sz < buffer.length;
if (canHalve) {
@ -77,6 +77,13 @@ define(
getBuffer: function () {
return buffer;
},
/**
* Get the number of points stored in this buffer.
* @returns {number} the number of points stored
*/
getLength: function () {
return length;
},
/**
* Remove values from this buffer.
* Normally, values are removed from the start
@ -116,9 +123,7 @@ define(
i;
// Don't allow append after the end; that doesn't make sense
if (index > length) {
index = length;
}
index = Math.min(index, length);
// Resize if necessary
if (sz > free) {