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/*
* 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.
*/
/* $Id$ */
package org.apache.fop.render.pdf;
import java.io.IOException;
import org.junit.Before;
import org.junit.Test;
import static org.mockito.Matchers.endsWith;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import org.apache.fop.pdf.PDFNumber;
public class PDFGraphicsPainterTestCase {
private PDFGraphicsPainter sut;
private PDFContentGenerator generator;
@Before
public void setup() {
generator = mock(PDFContentGenerator.class);
sut = new PDFGraphicsPainter(generator);
}
@Test
public void moveTo() {
int x = 10;
int y = 20;
sut.moveTo(x, y);
verify(generator).add(op("m", x, y));
}
@Test
public void lineTo() {
int x = 10;
int y = 20;
sut.lineTo(x, y);
verify(generator).add(op("l", x, y));
}
@Test
public void arcTo() throws IOException {
int width = 10;
int height = 10;
int x = 0;
int y = 0;
double startAngle = 0;
double endAngle = Math.PI / 2;
sut.arcTo(startAngle, endAngle, x, y, width, height);
//TODO stricter verification
verify(generator).add(endsWith(" c "));
}
@Test
public void closePath() {
sut.closePath();
verify(generator).add(op("h"));
}
@Test
public void clip() {
sut.clip();
verify(generator).add(opln("W\nn"));
}
@Test
public void saveGraphicsState() {
sut.saveGraphicsState();
verify(generator).add(opln("q"));
}
@Test
public void restoreGraphicsState() {
sut.restoreGraphicsState();
verify(generator).add(opln("Q"));
}
@Test
public void rotateCoordinates() throws IOException {
double angle = 0;
float s = (float) Math.sin(angle);
float c = (float) Math.cos(angle);
sut.rotateCoordinates(angle);
testTransformCoordinatesF(c, s, -s, c, 0, 0);
}
@Test
public void translateCoordinates() throws IOException {
int x = 10;
int y = 20;
sut.translateCoordinates(x, y);
testTransformCoordinates(1000, 0, 0, 1000, x, y);
}
@Test
public void scaleCoordinates() throws IOException {
float xScaleFactor = 10f;
float yScaleFactor = 2f;
sut.scaleCoordinates(xScaleFactor, yScaleFactor);
testTransformCoordinatesF(xScaleFactor, 0f, 0f, yScaleFactor, 0f, 0f);
}
@Test
public void cubicBezierTo() {
int[] args = new int[]{1, 2, 3, 4, 5, 6};
sut.cubicBezierTo(args[0], args[1], args[2], args[3], args[4], args[5]);
verify(generator).add(op("c", args));
}
private void testTransformCoordinatesF(float... args) {
verify(generator).add(opf("cm", args));
}
private void testTransformCoordinates(int... args) {
verify(generator).add(op("cm", args));
}
private String opf(String op, float... args) {
return opf(op, " ", args);
}
private String op(String op, int... args) {
return op(op, " ", args);
}
private String opln(String op, int... args) {
return op(op, "\n", args);
}
private String opf(String op, String ending, float... args) {
StringBuilder sb = new StringBuilder();
for (float arg : args) {
sb.append("" + PDFNumber.doubleOut(arg) + " ");
}
return sb.append(op.trim()).append(ending).toString();
}
private String op(String op, String ending, int... args) {
float[] formattedArgs = new float[args.length];
for (int i = 0; i < args.length; i++) {
formattedArgs[i] = format(args[i]);
}
return opf(op, ending, formattedArgs);
}
private float format(int i) {
return (float) i / 1000;
}
}
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