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131 lines
3.9 KiB
131 lines
3.9 KiB
import org.kde.qt.*;
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import org.kde.koala.*;
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//
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// Simple little hack to show off blending effects.
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//
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// (C) KDE Artistic Cristian Tibirna <tibirna@kde.org>
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//
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/**
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* Class to test KImageEffect blending effects.
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*
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* This is a translation to java from kblendtest.cpp in the tests library
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* of tdeui source.
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*
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* @see TDEApplication
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* @see KImageEffect
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*
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* @author Cristian Tibirna <tibirna@kde.org>, java translation Kenneth J. Pouncey, kjpou@hotmail.com
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* @version 0.1
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*/
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public class KBlendTest {
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public static void main(String[] args) {
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TDECmdLineArgs.init(args, "kblendtest", "KBlendTest", "It blends!", "0.1");
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TDEApplication app = new TDEApplication();
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KBlendWidget w = new KBlendWidget(null,"KBlendTest");
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w.setCaption(app.name());
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app.setMainWidget(w);
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w.show();
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app.exec();
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return;
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}
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public static class KBlendWidget extends TQWidget {
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TQImage image;
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TQColor bgnd;
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String testImage = "testimage.png";
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public KBlendWidget (TQWidget parent, String name) {
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// change the colors to see the effects.
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// bgnd = new TQColor(TQColor.qRgb(255, 255, 255));
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bgnd = Qt.blue();
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// bgnd = Qt.red();
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image = new TQImage(testImage);
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resize(image.width()*2+60, image.height()*3+80);
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setBackgroundColor(bgnd);
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}
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protected void paintEvent(TQPaintEvent pe ) {
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long it, ft;
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String say = "";
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image = new TQImage(testImage);
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TQPainter p = new TQPainter(this);
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p.setPen(Qt.black());
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// you see here use of anti_dir param (blend from down to up, here)
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it = System.currentTimeMillis();
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KImageEffect.blend(image, 0.2f, bgnd, KImageEffect.VerticalGradient,true);
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ft = System.currentTimeMillis();
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say = (ft - it) + " ms, Vertical";
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p.drawImage(20, 20, image);
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p.drawText(5 , 15, say);
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image = new TQImage(testImage);
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// here a negative initial intensity is used (1/2 of image is unaffected)
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it = System.currentTimeMillis();
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KImageEffect.blend(image, -0.5f, bgnd, KImageEffect.HorizontalGradient);
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ft = System.currentTimeMillis();
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say = (ft - it) + " ms, Horizontal";
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p.drawImage(40+image.width(), 20, image);
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p.drawText(15+image.width() , 15, say);
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image = new TQImage(testImage);
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it = System.currentTimeMillis();
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KImageEffect.blend(image, 0.0f, bgnd, KImageEffect.DiagonalGradient,true);
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ft = System.currentTimeMillis();
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say = (ft - it) + " ms, Diagonal";
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p.drawImage(20, 40+image.height(), image);
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p.drawText(5 , 35+image.height(), say);
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image = new TQImage(testImage);
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it = System.currentTimeMillis();
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KImageEffect.blend(image, 0.1f, bgnd, KImageEffect.CrossDiagonalGradient);
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ft = System.currentTimeMillis();
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say = (ft - it) + " ms, CrossDiagonal";
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p.drawImage(40+image.width(), 40+image.height(), image);
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p.drawText(25+image.width() , 35 + image.height(), say);
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image = new TQImage(testImage);
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it = System.currentTimeMillis();
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KImageEffect.blend(image, -0.6f, bgnd, KImageEffect.RectangleGradient);
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ft = System.currentTimeMillis();
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say = (ft - it) + " ms, Rectangle";
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p.drawImage(20, 60+2*image.height(), image);
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p.drawText(5 , 55+2*image.height(), say);
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image = new TQImage(testImage);
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it = System.currentTimeMillis();
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KImageEffect.blend(image, 0.2f, bgnd, KImageEffect.EllipticGradient);
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ft = System.currentTimeMillis();
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say = (ft - it) + " ms, Elliptic";
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p.drawImage(40+image.width(), 60+2*image.height(), image);
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p.drawText(25+image.width(), 55+2*image.height(), say);
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p.end();
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}
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}
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static {
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qtjava.initialize();
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kdejava.initialize();
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}
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}
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