diff options
Diffstat (limited to 'core/util/cursor.js')
| -rw-r--r-- | core/util/cursor.js | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/core/util/cursor.js b/core/util/cursor.js index 18aa7be..7997194 100644 --- a/core/util/cursor.js +++ b/core/util/cursor.js @@ -79,25 +79,12 @@ export default class Cursor { this._target = null; } - change(pixels, mask, hotx, hoty, w, h) { + change(rgba, hotx, hoty, w, h) { if ((w === 0) || (h === 0)) { this.clear(); return; } - let cur = [] - for (let y = 0; y < h; y++) { - for (let x = 0; x < w; x++) { - let idx = y * Math.ceil(w / 8) + Math.floor(x / 8); - let alpha = (mask[idx] << (x % 8)) & 0x80 ? 255 : 0; - idx = ((w * y) + x) * 4; - cur.push(pixels[idx + 2]); // red - cur.push(pixels[idx + 1]); // green - cur.push(pixels[idx]); // blue - cur.push(alpha); // alpha - } - } - this._position.x = this._position.x + this._hotSpot.x - hotx; this._position.y = this._position.y + this._hotSpot.y - hoty; this._hotSpot.x = hotx; @@ -111,10 +98,10 @@ export default class Cursor { let img; try { // IE doesn't support this - img = new ImageData(new Uint8ClampedArray(cur), w, h); + img = new ImageData(new Uint8ClampedArray(rgba), w, h); } catch (ex) { img = ctx.createImageData(w, h); - img.data.set(new Uint8ClampedArray(cur)); + img.data.set(new Uint8ClampedArray(rgba)); } ctx.clearRect(0, 0, w, h); ctx.putImageData(img, 0, 0); |