| /* |
| |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with |
| the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| |
| */ |
| package org.apache.batik.dom.svg; |
| |
| import java.awt.geom.AffineTransform; |
| import java.awt.geom.Rectangle2D; |
| |
| /** |
| * This interface is the placeholder for SVG application informations. |
| * |
| * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a> |
| * @version $Id$ |
| */ |
| public interface SVGContext { |
| |
| // Constants for percentage interpretation. |
| int PERCENTAGE_FONT_SIZE = 0; |
| int PERCENTAGE_VIEWPORT_WIDTH = 1; |
| int PERCENTAGE_VIEWPORT_HEIGHT = 2; |
| int PERCENTAGE_VIEWPORT_SIZE = 3; |
| |
| /** |
| * Returns the size of a px CSS unit in millimeters. |
| */ |
| float getPixelUnitToMillimeter(); |
| |
| /** |
| * Returns the size of a px CSS unit in millimeters. |
| * This will be removed after next release. |
| * @see #getPixelUnitToMillimeter() |
| */ |
| float getPixelToMM(); |
| |
| /** |
| * Returns the tight bounding box in current user space (i.e., |
| * after application of the transform attribute, if any) on the |
| * geometry of all contained graphics elements, exclusive of |
| * stroke-width and filter effects). |
| */ |
| Rectangle2D getBBox(); |
| |
| /** |
| * Returns the transform from the global transform space to pixels. |
| */ |
| AffineTransform getScreenTransform(); |
| |
| /** |
| * Sets the transform to be used from the global transform space to pixels. |
| */ |
| void setScreenTransform(AffineTransform at); |
| |
| /** |
| * Returns the transformation matrix from current user units |
| * (i.e., after application of the transform attribute, if any) to |
| * the viewport coordinate system for the nearestViewportElement. |
| */ |
| AffineTransform getCTM(); |
| |
| /** |
| * Returns the global transformation matrix from the current |
| * element to the root. |
| */ |
| AffineTransform getGlobalTransform(); |
| |
| /** |
| * Returns the width of the viewport which directly contains the |
| * associated element. |
| */ |
| float getViewportWidth(); |
| |
| /** |
| * Returns the height of the viewport which directly contains the |
| * associated element. |
| */ |
| float getViewportHeight(); |
| |
| /** |
| * Returns the font-size on the associated element. |
| */ |
| float getFontSize(); |
| } |