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Hide canvas when map is not defined

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This commit is contained in:
Tom Payne
2013-01-12 19:24:20 +01:00
parent 0443ebc3fa
commit 3f6e6169af
1 changed files with 9 additions and 3 deletions
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src/ol/renderer/webgl/webglmaprenderer.js
+9 -3
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@@ -492,9 +492,10 @@ ol.renderer.webgl.Map.prototype.renderFrame = function(frameState) {
var gl = this.getGL(); var gl = this.getGL();
if (goog.isNull(frameState)) { if (goog.isNull(frameState)) {
gl.bindFramebuffer(goog.webgl.FRAMEBUFFER, null); if (this.renderedVisible_) {
gl.clearColor(0, 0, 0, 0); goog.style.showElement(this.canvas_, false);
gl.clear(goog.webgl.COLOR_BUFFER_BIT); this.renderedVisible_ = false;
}
return false; return false;
} }
@@ -572,6 +573,11 @@ ol.renderer.webgl.Map.prototype.renderFrame = function(frameState) {
gl.drawArrays(goog.webgl.TRIANGLE_STRIP, 0, 4); gl.drawArrays(goog.webgl.TRIANGLE_STRIP, 0, 4);
}, this); }, this);
if (!this.renderedVisible_) {
goog.style.showElement(this.canvas_, true);
this.renderedVisible_ = true;
}
}; };