ModelViewTransform2.createRectangleMapping = function( modelBounds, viewBounds ) {
var m00 = viewBounds.width / modelBounds.width;
var m02 = viewBounds.x - m00 * modelBounds.x;
var m11 = viewBounds.height / modelBounds.height;
var m12 = viewBounds.y - m11 * modelBounds.y;
return new ModelViewTransform2( Matrix3.affine( m00, 0, m02, 0, m11, m12 ) );
};
ModelViewTransform2.createRectangleInvertedYMapping = function( modelBounds, viewBounds ) {
var m00 = viewBounds.width / modelBounds.width;
var m02 = viewBounds.x - m00 * modelBounds.x;
var m11 = -viewBounds.height / modelBounds.height;
// vY == (mY + mHeight) * m11 + m12
var m12 = viewBounds.y - m11 * modelBounds.getMaxY();
return new ModelViewTransform2( Matrix3.affine( m00, 0, m02, 0, m11, m12 ) );
};
ModelViewTransform2.createOffsetScaleMapping = function( offset, scale ) {
return new ModelViewTransform2( Matrix3.affine( scale, 0, offset.x, 0, scale, offset.y ) );
};
ModelViewTransform2.createOffsetXYScaleMapping = function( offset, xScale, yScale ) {
return new ModelViewTransform2( Matrix3.affine( xScale, 0, 0, yScale, offset.x, offset.y ) );
};