loleaflet/src/layer/tile/CanvasTileLayer.js | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-)
New commits: commit c1c1ae1a395abc54d279487560e4fa5fac5c5af6 Author: Michael Meeks <[email protected]> AuthorDate: Tue Sep 8 15:25:09 2020 +0100 Commit: Michael Meeks <[email protected]> CommitDate: Tue Sep 8 15:25:09 2020 +0100 calc canvas: avoid lots of canvas context save/restores. Change-Id: Ib813686ef7d495e660ad8fa3b545391180b9e019 diff --git a/loleaflet/src/layer/tile/CanvasTileLayer.js b/loleaflet/src/layer/tile/CanvasTileLayer.js index 4a35b4939..5a030050a 100644 --- a/loleaflet/src/layer/tile/CanvasTileLayer.js +++ b/loleaflet/src/layer/tile/CanvasTileLayer.js @@ -130,14 +130,12 @@ L.CanvasTilePainter = L.Class.extend({ }, clear: function () { - this._canvasCtx.save(); - this._canvasCtx.scale(1, 1); + this._canvasCtx.setTransform(1,0,0,1,0,0); if (this._layer._debug) this._canvasCtx.fillStyle = 'rgba(255, 0, 0, 0.5)'; else this._canvasCtx.fillStyle = 'white'; this._canvasCtx.fillRect(0, 0, this._width, this._height); - this._canvasCtx.restore(); }, // Details of tile areas to render @@ -176,10 +174,7 @@ L.CanvasTilePainter = L.Class.extend({ if (topLeft.y) topLeft.y = viewBounds.min.y; - this._canvasCtx.save(); - this._canvasCtx.scale(1, 1); - this._canvasCtx.translate(-topLeft.x, -topLeft.y); - + this._canvasCtx.setTransform(1,0,0,1,-topLeft.x, -topLeft.y); // when using the pinch to zoom, set additional translation based // on the pinch movement if (this._map._animatingZoom) { @@ -199,7 +194,6 @@ L.CanvasTilePainter = L.Class.extend({ this._canvasCtx.strokeStyle = 'rgba(255, 0, 0, 0.5)'; this._canvasCtx.strokeRect(tile.coords.x, tile.coords.y, 256, 256); } - this._canvasCtx.restore(); } }, @@ -209,11 +203,9 @@ L.CanvasTilePainter = L.Class.extend({ return; } var splitPos = this._layer._cssPixelsToCore(splitPanesContext.getSplitPos()); - this._canvasCtx.save(); - this._canvasCtx.scale(1, 1); + this._canvasCtx.setTransform(1,0,0,1,0,0); this._canvasCtx.strokeStyle = 'red'; this._canvasCtx.strokeRect(0, 0, splitPos.x, splitPos.y); - this._canvasCtx.restore(); }, _updateWithRAF: function () { _______________________________________________ Libreoffice-commits mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/libreoffice-commits
