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feature : zoom level : code review

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+ Switched from BITWISE OR 0 (x | 0) to Math.floor for readability
This commit is contained in:
jdescottes
2013-11-15 00:39:43 +01:00
parent 3af64d3f45
commit e68ae7f31d
2 changed files with 4 additions and 4 deletions
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4
js/rendering/frame/FrameRenderer.js
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@@ -207,8 +207,8 @@
y = y + this.offset.y * cellSize; y = y + this.offset.y * cellSize;
return { return {
x : (x / cellSize) | 0, x : Math.floor(x / cellSize),
y : (y / cellSize) | 0 y : Math.floor(y / cellSize)
}; };
}; };

4
js/utils/ImageResizer.js
View File

@@ -46,13 +46,13 @@
// Draw the zoomed-up pixels to a different canvas context // Draw the zoomed-up pixels to a different canvas context
for (var x = 0; x < source.width; x++) { for (var x = 0; x < source.width; x++) {
// Calculate X Range // Calculate X Range
xRange = (((x + 1) * zoom) | 0) - xOffset; xRange = Math.floor((x + 1) * zoom) - xOffset;
for (var y = 0; y < source.height; y++) { for (var y = 0; y < source.height; y++) {
// Calculate Y Range // Calculate Y Range
if (!yRanges[y + ""]) { if (!yRanges[y + ""]) {
// Cache Y Range // Cache Y Range
yRanges[y + ""] = (((y + 1) * zoom) | 0) - yOffset; yRanges[y + ""] = Math.floor((y + 1) * zoom) - yOffset;
} }
yRange = yRanges[y + ""]; yRange = yRanges[y + ""];