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Canvas: Extend Image element and adapt for latest core changes.

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This commit is contained in:
Thomas Geymayer 2012-08-09 16:53:09 +02:00
parent c20b4b1fbb
commit c785b1bd1c
1 changed files with 37 additions and 15 deletions
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52
Nasal/canvas/api.nas
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@ -711,14 +711,41 @@ var Image = {
var m = {
parents: [Image, Element.new(parent, "image", id, arg)]
};
m.color = _createColorNodes(m._node, "color");
m.sourceRect = m._node.getNode("source", 1);
m.color_fill = _createColorNodes(m._node, "color-fill");
return m;
},
# Set image file to be used
#
# @param file Path to file or canvas (Use canvas://... for canvas, eg.
# canvas://by-index/texture[0])
setFile: func(file)
{
me.set("file", file);
me.set("file", file);
},
# Set rectangular region of source image to be used
#
# @param left Rectangle minimum x coordinate
# @param top Rectangle minimum y coordinate
# @param right Rectangle maximum x coordinate
# @param bottom Rectangle maximum y coordinate
# @param normalized Whether to use normalized ([0,1]) or image
# ([0, image_width]/[0, image_height]) coordinates
setSourceRect: func(left, top, right, bottom, normalized = 1)
{
me._node.getNode("source", 1).setValues({
left: left,
top: top,
right: right,
bottom: bottom,
normalized: normalized
});
return me;
},
# Set size of image element
setSize: func(width, height)
{
me._node.setValues({size: [width, height]});
return me;
}
};
@ -779,11 +806,7 @@ var new = func(vals)
{
var m = { parents: [Canvas] };
m.texture = _createNodeWithIndex
(
props.globals.getNode("canvas", 1),
"texture"
);
m.texture = _createNodeWithIndex(Canvas.property_root, "texture");
m.color = _createColorNodes(m.texture, "color-background");
m.texture.setValues(vals);
@ -802,11 +825,7 @@ var get = func(name)
node_canvas = name;
else if( typeof(name) == 'scalar' )
{
var canvas_root = props.globals.getNode("canvas");
if( canvas_root == nil )
return nil;
foreach(var c; canvas_root.getChildren("texture"))
foreach(var c; Canvas.property_root.getChildren("texture"))
{
if( c.getValue("name") == name )
node_canvas = c;
@ -847,4 +866,7 @@ else
{button: {legend: "Ok", binding: {command: "dialog-close"}}}
);
}
} })();
}
Canvas.property_root = props.globals.getNode("canvas/by-index", 1);
})();