lsm/konva
1
0
Fork 0
mirror of https://github.com/konvajs/konva.git synced 2026-01-08 18:54:40 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

new graph caching mechanism now supports containers as well. added test

Browse Source
This commit is contained in:
Eric Rowell
2013-12-29 19:30:44 -08:00
parent 90b07cea05
commit 0899cdb1a3
2 changed files with 41 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
src/Container.js
View File

@@ -239,26 +239,35 @@
});
},
drawScene: function(can) {
var layer = this.getLayer(),
canvas = can || (layer && layer.getCanvas()),
cachedCanvas = this._cache.canvas,
cachedSceneCanvas = cachedCanvas && cachedCanvas.scene;
if (this.isVisible()) {
this._draw(can, 'drawScene');
this._draw(canvas, cachedSceneCanvas, 'drawScene');
}
return this;
},
drawHit: function(can) {
var layer = this.getLayer(),
canvas = can || (layer && layer.hitCanvas),
cachedCanvas = this._cache.canvas,
cachedHitCanvas = cachedCanvas && cachedCanvas.hit;
if (this.shouldDrawHit()) {
this._draw(can, 'drawHit');
this._draw(canvas, cachedHitCanvas, 'drawHit');
}
return this;
},
_draw: function(can, method) {
var clipWidth = this.getClipWidth(),
_draw: function(canvas, cachedCanvas, drawMethod) {
var context = canvas && canvas.getContext(),
clipWidth = this.getClipWidth(),
clipHeight = this.getClipHeight(),
hasClip = clipWidth && clipHeight,
canvas, context, clipX, clipY;
context, clipX, clipY;
if (hasClip) {
canvas = can || this.getLayer().hitCanvas;
context = canvas.getContext();
clipX = this.getClipX();
clipY = this.getClipY();
@@ -270,9 +279,17 @@
context.reset();
}
this.children.each(function(child) {
child[method](canvas);
});
if (cachedCanvas) {
context.save();
context._applyTransform(this);
context.drawImage(cachedCanvas._canvas, 0, 0);
context.restore();
}
else {
this.children.each(function(child) {
child[drawMethod](canvas);
});
}
if (hasClip) {
context.restore();