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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.
- ==================================================================== */
-
- package org.apache.poi.examples.hwmf;
-
- import java.awt.AlphaComposite;
- import java.awt.Color;
- import java.awt.Font;
- import java.awt.Graphics2D;
- import java.awt.Rectangle;
- import java.awt.Shape;
- import java.awt.TexturePaint;
- import java.awt.font.TextLayout;
- import java.awt.geom.AffineTransform;
- import java.awt.geom.Ellipse2D;
- import java.awt.geom.Rectangle2D;
- import java.awt.image.BufferedImage;
- import java.io.File;
- import java.io.IOException;
-
- import javax.imageio.ImageIO;
-
- import org.apache.poi.hwmf.draw.HwmfGraphics;
- import org.apache.poi.hwmf.draw.HwmfROP3Composite;
- import org.apache.poi.hwmf.record.HwmfTernaryRasterOp;
-
- /**
- * Generates an image table describing the various ternary raster operations
- *
- * inspired from http://www.evmsoft.net/en/roptest.html
- */
- public final class ROP3Table {
- private ROP3Table() {}
-
- private static final long PATTERN = 0xAADDAA55AADDAA55L;
- private static final HwmfTernaryRasterOp[] OPS = HwmfTernaryRasterOp.values();
- private static final int COLS = 16, BOX = 100;
- private static final double SCALE = 2, HEADER = 1.1;
-
- private static final Rectangle2D RECT = new Rectangle2D.Double(0.05*BOX, 0.05*BOX, 0.90*BOX, 0.90*BOX);
- private static final Shape CIRCLE_BIG = new Ellipse2D.Double(0.15*BOX, 0.15*BOX, 0.70*BOX, 0.70*BOX);
- private static final Shape CIRCLE_SMALL = new Ellipse2D.Double(0.40*BOX, 0.40*BOX, 0.20*BOX, 0.20*BOX);
- private static final Shape LABEL_BOX = new Rectangle.Double(0.06*BOX, 0.85*BOX, 0.88*BOX, 0.10*BOX);
-
- private static final AlphaComposite SRC_OVER = AlphaComposite.getInstance(AlphaComposite.SRC_OVER);
-
- private static final AffineTransform INIT_AT = AffineTransform.getScaleInstance(SCALE, SCALE);
-
- public static void main(String[] args) throws IOException {
- BufferedImage pattern = getPattern();
- BufferedImage source = getSource();
-
- BufferedImage dest = new BufferedImage(
- (int)(BOX * COLS * SCALE),
- (int)(BOX * (Math.max(OPS.length/COLS,1) + HEADER) * SCALE),
- BufferedImage.TYPE_INT_ARGB);
- Graphics2D g = dest.createGraphics();
- g.setTransform(INIT_AT);
- g.setFont(new Font(Font.SANS_SERIF, Font.PLAIN, 10));
- g.translate(BOX * (COLS-5) / 2., 0);
- g.setColor(Color.BLACK);
-
- fillDest(g);
- fillLabel(g, "Dest");
- g.translate(2*BOX, 0);
- g.drawImage(source, 0, 0, null);
- fillLabel(g, "Source");
- g.translate(2*BOX, 0);
- g.setPaint(new TexturePaint(pattern, RECT));
- g.fill(RECT);
- fillLabel(g, "Pattern");
-
- int idx=0;
- for (HwmfTernaryRasterOp op : OPS) {
- g.setTransform(INIT_AT);
- g.translate(0, HEADER * BOX);
- g.translate(BOX*(idx%COLS), BOX*(idx/COLS));
-
- fillDest(g);
- fillPattern(g, op, pattern, source);
- fillLabel(g, op.name());
- idx++;
- }
-
- g.dispose();
- ImageIO.write(dest, "PNG", new File("rop3.png"));
- }
-
- private static BufferedImage getPattern() {
- return HwmfGraphics.getPatternFromLong(PATTERN, Color.BLACK, Color.WHITE, false);
- }
-
- private static BufferedImage getSource() {
- BufferedImage checker = new BufferedImage(BOX, BOX, BufferedImage.TYPE_INT_ARGB);
- Graphics2D cg = checker.createGraphics();
- cg.setColor(Color.PINK);
- cg.fill(RECT);
- cg.setColor(new Color(0xE6E6FA, false));
- cg.fill(new Rectangle2D.Double(0.05*BOX, 0.05*BOX, 0.45*BOX, 0.45*BOX));
- cg.fill(new Rectangle2D.Double(0.50*BOX, 0.50*BOX, 0.45*BOX, 0.45*BOX));
- cg.dispose();
- return checker;
- }
-
- private static void fillDest(Graphics2D g) {
- g.setComposite(SRC_OVER);
- g.setColor(Color.LIGHT_GRAY);
- g.fill(RECT);
- g.setColor(new Color(0xDAA520, false));
- g.fill(CIRCLE_BIG);
- g.setColor(Color.RED);
- g.fill(CIRCLE_SMALL);
- }
-
- private static void fillPattern(Graphics2D g, HwmfTernaryRasterOp op, BufferedImage pattern, BufferedImage source) {
- g.setComposite(new HwmfROP3Composite(g.getTransform(), RECT, op, pattern, Color.YELLOW, Color.BLUE));
- g.setClip(RECT);
- g.drawImage(source, 0, 0, null);
- g.setClip(null);
- g.setComposite(SRC_OVER);
- }
-
- private static void fillLabel(Graphics2D g, String str) {
- g.setColor(Color.WHITE);
- g.fill(LABEL_BOX);
- g.setColor(Color.BLACK);
-
- TextLayout t = new TextLayout(str, g.getFont(), g.getFontRenderContext());
- Rectangle2D b = t.getBounds();
- g.drawString(str, (float)((BOX -b.getWidth())/2.), (float)(0.94*BOX));
- }
- }
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