org.apache.pdfbox.pdmodel.graphics.shading.Type7ShadingContext Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of pdfbox Show documentation
Show all versions of pdfbox Show documentation
The Apache PDFBox library is an open source Java tool for working with PDF documents.
/*
* Copyright 2014 The Apache Software Foundation.
*
* Licensed 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.pdfbox.pdmodel.graphics.shading;
import java.awt.Rectangle;
import java.awt.geom.AffineTransform;
import java.awt.geom.Point2D;
import java.awt.image.ColorModel;
import java.io.IOException;
import org.apache.pdfbox.util.Matrix;
/**
* AWT PaintContext for tensor-product patch meshes (type 7) shading. This was
* done as part of GSoC2014, Tilman Hausherr is the mentor.
*
* @author Shaola Ren
*/
class Type7ShadingContext extends PatchMeshesShadingContext
{
/**
* Constructor creates an instance to be used for fill operations.
*
* @param shading the shading type to be used
* @param colorModel the color model to be used
* @param xform transformation for user to device space
* @param matrix the pattern matrix concatenated with that of the parent content stream
* @param deviceBounds device bounds
* @throws IOException if something went wrong
*/
Type7ShadingContext(PDShadingType7 shading, ColorModel colorModel, AffineTransform xform,
Matrix matrix, Rectangle deviceBounds) throws IOException
{
super(shading, colorModel, xform, matrix, deviceBounds, 16);
}
@Override
protected Patch generatePatch(Point2D[] points, float[][] color)
{
return new TensorPatch(points, color);
}
}