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Implement text rendering along paths

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This commit also changes the TextReplay.drawText() signature, and moves
geometry calculation into drawText(). This improves performance where no
text needs to be rendered (TextStyle.getText() == ''), which is used often
in applications.
This commit is contained in:
Andreas Hocevar
2017-09-07 23:32:31 +02:00
parent 37dcd79a86
commit efc86d59b0
12 changed files with 640 additions and 189 deletions
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4
src/ol/render/canvas/imagereplay.js
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@@ -162,7 +162,7 @@ ol.render.canvas.ImageReplay.prototype.drawMultiPoint = function(multiPointGeome
this.instructions.push([
ol.render.canvas.Instruction.DRAW_IMAGE, myBegin, myEnd, this.image_,
// Remaining arguments to DRAW_IMAGE are in alphabetical order
this.anchorX_, this.anchorY_, this.height_, this.opacity_,
this.anchorX_, this.anchorY_, this.height_, undefined, this.opacity_,
this.originX_, this.originY_, this.rotateWithView_, this.rotation_,
this.scale_, this.snapToPixel_, this.width_
]);
@@ -170,7 +170,7 @@ ol.render.canvas.ImageReplay.prototype.drawMultiPoint = function(multiPointGeome
ol.render.canvas.Instruction.DRAW_IMAGE, myBegin, myEnd,
this.hitDetectionImage_,
// Remaining arguments to DRAW_IMAGE are in alphabetical order
this.anchorX_, this.anchorY_, this.height_, this.opacity_,
this.anchorX_, this.anchorY_, this.height_, undefined, this.opacity_,
this.originX_, this.originY_, this.rotateWithView_, this.rotation_,
this.scale_, this.snapToPixel_, this.width_
]);