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/** items.cpp
* zinclib/tests
*
* This software is the property of IntuiLab SA, France.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Some tests for zinclib
*
* 08/03/05
*
* Contributors:
* Benoit Peccatte <peccatte@intuilab.com>
*
*/
#include "Zinc.hpp"
#include <math.h>
//global variable
Zinc *zn;
const double PI = atan2 (1., 1.) * 4.;
//prepare constants
//black color
String black = String ("white");
// red color
String red = String ("red");
// sample text
String texte = String ("Hello world");
// sample gradient
String gradient = String ("=axial 0 | blue | white 50 | red");
// sample gradient
String gradient2 = String ("=axial 0 | yellow | green 50 | red");
//Let's test all item types
int main (int argc, char** argv)
{
//catch exceptions
try
{
//don't forget to load zinc
Zinc::loadZinc (argv[0]);
ZincPath *path;
//create the widget
zn = new Zinc (ZINC_BACKEND_OPENGL);
//give it parameters
zn->setWidth (600);
zn->setHeight (400);
//change background color
printf ("%s\n",zn->getBackcolor ().c_str ());
zn->setBackcolor (black);
printf ("%s\n",zn->getBackcolor ().c_str ());
ZincItem *g1;
ZincItem *g2;
//create a group
g1 = zn->itemCreateGroup (NULL);
// create another group (with parent)
g2 = zn->itemCreateGroup (g1);
//create a rectangle
ZincItem *rect;
rect = zn->itemCreateRectangle (g1, 10, 10, 100, 100);
// fill the rectangle
zn->itemSetFilled (rect, 1);
// remove the rectangle
zn->itemRemove (rect);
delete rect;
//try a second one
rect = zn->itemCreateRectangle (g1, 10, 10, 100, 100);
// fill the rectangle
zn->itemSetFilled (rect, 1);
// in red
zn->itemSetFillcolor (rect, red);
zn->itemSetTransformation (rect, cos (PI / 4), sin (PI / 4),
-sin (PI / 4), cos (PI / 4), 100, 0);
delete rect;
// create an arc
ZincItem *arc;
arc = zn->itemCreateArc (NULL, 10, 10, 200, 200);
// give parameters to the arc
zn->itemSetClosed (arc, 1);
zn->itemSetExtent (arc, 230);
// fill the arc
zn->itemSetFilled (arc, 1);
// with a gradient
zn->itemSetFillcolor (arc, gradient);
delete arc;
// create a sample text
ZincItem *text = zn->itemCreateText (g2);
zn->itemSetText (text, texte);
zn->itemSetPosition (text, 10, 300);
zn->itemSetPosition (text, 10, 300);
delete text;
// create a curve
path = new ZincPath(200,200);
//test lineto
path->lineTo (250,250);
//test quadraticBezierTo
path->quadraticBezierTo (300,200, 300,300);
//test cubicBezierTo
path->cubicBezierTo (400,400, 500,300, 400,200);
path->curveTo (500,200, 500,100, 400,100);
//test arcs
path->arcTo (100, 100, 0, false, true, 300, 100);
// test close
path->close ();
//display the curve
ZincItem *pa = zn->itemCreateCurve (g2, path);
zn->contour (pa, false, path);
zn->contour (pa, true, path);
delete path;
// fill the arc
zn->itemSetFilled (pa, 1);
// with a gradient
zn->itemSetFillcolor (pa, gradient2);
zn->itemTranslate (pa, 30, 30, false);
// test bounding box
double bbox[4];
zn->bbox (pa, bbox);
printf ("bbox %f, %f, %f, %f\n", bbox[0], bbox[1], bbox[2], bbox[3]);
delete pa;
// create an icon from a file
ZincImage *image = zn->createImageFromFile ("paper.gif");
ZincItem *icon = zn->itemCreateIcon (g2, image);
printf("icon width %d, height %d\n",
zn->getImageWidth (image), zn->getImageHeight (image));
zn->itemSetPosition (icon, 200, 10);
zn->itemTranslate (icon, -20, 10);
zn->itemRotate (icon, 0);
zn->itemRotate (icon, -45, 0, 0);
zn->itemRotate (icon, 45, true);
zn->itemRotate (icon, 45, 0, 0, true);
delete icon;
// another icon to test other transforms
ZincItem *icon2 = zn->itemCreateIcon (g2, image);
zn->itemSetPosition (icon2, 300, 10);
zn->itemScale (icon2, 3., 3.);
zn->itemScale (icon2, .5, .5, 0, 0);
zn->itemSkew (icon2, 10, 10);
zn->itemSkewX (icon2, -10);
zn->itemSkewY (icon2, -10);
// test bounding box
zn->relativeBbox (icon2, bbox);
printf ("relativeBbox %f, %f, %f, %f\n", bbox[0], bbox[1], bbox[2], bbox[3]);
delete icon2;
// another icon to test other transforms
ZincItem *icon3 = zn->itemCreateIcon (g2, image);
zn->itemSetPosition (icon3, 400, 10);
zn->itemScale (icon3, 3., 3.);
zn->itemResetTransformation (icon3);
double a, b, c, d, e, f;
zn->itemGetTransformation (icon3, &a, &b, &c, &d, &e, &f);
printf ("Transform %f %f %f %f %f %f\n", a, b, c, d, e, f);
zn->itemSetTransformation (icon3, a, b, c, d, e, f+20);
zn->itemMatrix (icon3, 2, 0, 0, 2, 1, 1);
delete icon3;
delete image;
delete g1;
delete g2;
//run all this
Zinc::zincMainLoop ();
// delete the widget
delete (zn);
}
catch (ZincException e)
{
printf("ERROR : %s\n",e.what ());
}
}
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