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Return early in drawDebugInfo

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Philip Giuliani 2015-04-15 13:40:12 +02:00
parent 21d32b59f5
commit 9df77ee915
1 changed files with 75 additions and 73 deletions
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148
src/drawer.js
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@ -318,80 +318,82 @@ $.Drawer.prototype = /** @lends OpenSeadragon.Drawer.prototype */{
// private // private
drawDebugInfo: function( tile, count, i ){ drawDebugInfo: function( tile, count, i ){
if ( this.useCanvas ) { if ( !this.useCanvas ) {
this.context.save(); return;
this.context.lineWidth = 2 * $.pixelDensityRatio;
this.context.font = 'small-caps bold ' + (13 * $.pixelDensityRatio) + 'px arial';
this.context.strokeStyle = this.debugGridColor;
this.context.fillStyle = this.debugGridColor;
if ( this.viewport.degrees !== 0 ) {
this._offsetForRotation( tile, this.canvas, this.context, this.viewport.degrees );
}
this.context.strokeRect(
tile.position.x * $.pixelDensityRatio,
tile.position.y * $.pixelDensityRatio,
tile.size.x * $.pixelDensityRatio,
tile.size.y * $.pixelDensityRatio
);
var tileCenterX = (tile.position.x + (tile.size.x / 2)) * $.pixelDensityRatio;
var tileCenterY = (tile.position.y + (tile.size.y / 2)) * $.pixelDensityRatio;
// Rotate the text the right way around.
this.context.translate( tileCenterX, tileCenterY );
this.context.rotate( Math.PI / 180 * -this.viewport.degrees );
this.context.translate( -tileCenterX, -tileCenterY );
if( tile.x === 0 && tile.y === 0 ){
this.context.fillText(
"Zoom: " + this.viewport.getZoom(),
tile.position.x * $.pixelDensityRatio,
(tile.position.y - 30) * $.pixelDensityRatio
);
this.context.fillText(
"Pan: " + this.viewport.getBounds().toString(),
tile.position.x * $.pixelDensityRatio,
(tile.position.y - 20) * $.pixelDensityRatio
);
}
this.context.fillText(
"Level: " + tile.level,
(tile.position.x + 10) * $.pixelDensityRatio,
(tile.position.y + 20) * $.pixelDensityRatio
);
this.context.fillText(
"Column: " + tile.x,
(tile.position.x + 10) * $.pixelDensityRatio,
(tile.position.y + 30) * $.pixelDensityRatio
);
this.context.fillText(
"Row: " + tile.y,
(tile.position.x + 10) * $.pixelDensityRatio,
(tile.position.y + 40) * $.pixelDensityRatio
);
this.context.fillText(
"Order: " + i + " of " + count,
(tile.position.x + 10) * $.pixelDensityRatio,
(tile.position.y + 50) * $.pixelDensityRatio
);
this.context.fillText(
"Size: " + tile.size.toString(),
(tile.position.x + 10) * $.pixelDensityRatio,
(tile.position.y + 60) * $.pixelDensityRatio
);
this.context.fillText(
"Position: " + tile.position.toString(),
(tile.position.x + 10) * $.pixelDensityRatio,
(tile.position.y + 70) * $.pixelDensityRatio
);
if ( this.viewport.degrees !== 0 ) {
this._restoreRotationChanges( tile, this.canvas, this.context );
}
this.context.restore();
} }
this.context.save();
this.context.lineWidth = 2 * $.pixelDensityRatio;
this.context.font = 'small-caps bold ' + (13 * $.pixelDensityRatio) + 'px arial';
this.context.strokeStyle = this.debugGridColor;
this.context.fillStyle = this.debugGridColor;
if ( this.viewport.degrees !== 0 ) {
this._offsetForRotation( tile, this.canvas, this.context, this.viewport.degrees );
}
this.context.strokeRect(
tile.position.x * $.pixelDensityRatio,
tile.position.y * $.pixelDensityRatio,
tile.size.x * $.pixelDensityRatio,
tile.size.y * $.pixelDensityRatio
);
var tileCenterX = (tile.position.x + (tile.size.x / 2)) * $.pixelDensityRatio;
var tileCenterY = (tile.position.y + (tile.size.y / 2)) * $.pixelDensityRatio;
// Rotate the text the right way around.
this.context.translate( tileCenterX, tileCenterY );
this.context.rotate( Math.PI / 180 * -this.viewport.degrees );
this.context.translate( -tileCenterX, -tileCenterY );
if( tile.x === 0 && tile.y === 0 ){
this.context.fillText(
"Zoom: " + this.viewport.getZoom(),
tile.position.x * $.pixelDensityRatio,
(tile.position.y - 30) * $.pixelDensityRatio
);
this.context.fillText(
"Pan: " + this.viewport.getBounds().toString(),
tile.position.x * $.pixelDensityRatio,
(tile.position.y - 20) * $.pixelDensityRatio
);
}
this.context.fillText(
"Level: " + tile.level,
(tile.position.x + 10) * $.pixelDensityRatio,
(tile.position.y + 20) * $.pixelDensityRatio
);
this.context.fillText(
"Column: " + tile.x,
(tile.position.x + 10) * $.pixelDensityRatio,
(tile.position.y + 30) * $.pixelDensityRatio
);
this.context.fillText(
"Row: " + tile.y,
(tile.position.x + 10) * $.pixelDensityRatio,
(tile.position.y + 40) * $.pixelDensityRatio
);
this.context.fillText(
"Order: " + i + " of " + count,
(tile.position.x + 10) * $.pixelDensityRatio,
(tile.position.y + 50) * $.pixelDensityRatio
);
this.context.fillText(
"Size: " + tile.size.toString(),
(tile.position.x + 10) * $.pixelDensityRatio,
(tile.position.y + 60) * $.pixelDensityRatio
);
this.context.fillText(
"Position: " + tile.position.toString(),
(tile.position.x + 10) * $.pixelDensityRatio,
(tile.position.y + 70) * $.pixelDensityRatio
);
if ( this.viewport.degrees !== 0 ) {
this._restoreRotationChanges( tile, this.canvas, this.context );
}
this.context.restore();
}, },
// private // private