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Add ol.replay.canvas.Instruction.CIRCLE

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This commit is contained in:
Tom Payne
2014-01-12 20:40:15 +01:00
parent a8f5dff9cf
commit 5052bef4a5
1 changed files with 22 additions and 9 deletions
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31
src/ol/render/canvas/canvasreplay.js
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@@ -27,14 +27,15 @@ goog.require('ol.vec.Mat4');
ol.render.canvas.Instruction = {
BEGIN_GEOMETRY: 0,
BEGIN_PATH: 1,
CLOSE_PATH: 2,
DRAW_IMAGE: 3,
END_GEOMETRY: 4,
FILL: 5,
MOVE_TO_LINE_TO: 6,
SET_FILL_STYLE: 7,
SET_STROKE_STYLE: 8,
STROKE: 9
CIRCLE: 2,
CLOSE_PATH: 3,
DRAW_IMAGE: 4,
END_GEOMETRY: 5,
FILL: 6,
MOVE_TO_LINE_TO: 7,
SET_FILL_STYLE: 8,
SET_STROKE_STYLE: 9,
STROKE: 10
};
@@ -178,7 +179,7 @@ ol.render.canvas.Replay.prototype.replay_ =
}
var i = 0; // instruction index
var ii = instructions.length; // end of instructions
var d; // data index
var d = 0; // data index
var dd; // end of per-instruction data
var localTransform = this.tmpLocalTransform_;
while (i < ii) {
@@ -198,6 +199,18 @@ ol.render.canvas.Replay.prototype.replay_ =
context.beginPath();
++i;
break;
case ol.render.canvas.Instruction.CIRCLE:
var x1 = pixelCoordinates[d];
var y1 = pixelCoordinates[d + 1];
var x2 = pixelCoordinates[d + 2];
var y2 = pixelCoordinates[d + 3];
var dx = x2 - x1;
var dy = y2 - y1;
var r = Math.sqrt(dx * dx + dy * dy);
context.arc(x1, y1, r, 0, 2 * Math.PI, true);
d += 4;
++i;
break;
case ol.render.canvas.Instruction.CLOSE_PATH:
context.closePath();
++i;