240 lines
6.5 KiB
C++
240 lines
6.5 KiB
C++
/* qpainterpath.cpp --
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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#include <assert.h>
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#include <QPainterPath>
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#include <gnu_java_awt_peer_qt_QPainterPath.h>
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#include "nativewrapper.h"
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// java.awt.geom.PathIterator constants.
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#define WIND_EVEN_ODD 0
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#define WIND_NON_ZERO 1
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/*
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* Creates an empty QPainterPath.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QPainterPath_init
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(JNIEnv *env, jobject obj, jint windingRule)
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{
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QPainterPath *path = new QPainterPath();
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assert( path );
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path->setFillRule( (windingRule == WIND_EVEN_ODD) ?
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Qt::OddEvenFill : Qt::WindingFill );
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setNativeObject(env, obj, path);
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}
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/*
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* MoveTo
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QPainterPath_moveTo
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(JNIEnv *env, jobject obj, jdouble x, jdouble y)
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{
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QPainterPath *path = (QPainterPath *)getNativeObject(env, obj);
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assert( path );
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path->moveTo( (qreal)x, (qreal)y );
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}
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/*
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* Closes the subpath.
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QPainterPath_close
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(JNIEnv *env, jobject obj)
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{
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QPainterPath *path = (QPainterPath *)getNativeObject(env, obj);
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assert( path );
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path->closeSubpath();
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}
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/*
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* LineTo
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QPainterPath_lineTo
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(JNIEnv *env, jobject obj, jdouble x, jdouble y)
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{
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QPainterPath *path = (QPainterPath *)getNativeObject(env, obj);
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assert( path );
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path->lineTo( (qreal)x, (qreal)y );
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}
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/*
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* QuadraticTo
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QPainterPath_quadTo
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(JNIEnv *env, jobject obj, jdouble x, jdouble y, jdouble x2, jdouble y2)
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{
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QPainterPath *path = (QPainterPath *)getNativeObject(env, obj);
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assert( path );
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path->quadTo( (qreal)x, (qreal)y, (qreal)x2, (qreal)y2 );
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}
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/*
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* CubicTo
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QPainterPath_cubicTo
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(JNIEnv *env, jobject obj, jdouble x, jdouble y, jdouble x2, jdouble y2,
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jdouble x3, jdouble y3)
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{
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QPainterPath *path = (QPainterPath *)getNativeObject(env, obj);
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assert( path );
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path->cubicTo( (qreal)x, (qreal)y,
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(qreal)x2, (qreal)y2,
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(qreal)x3, (qreal)y3 );
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}
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/*
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* Delete the native object
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*/
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JNIEXPORT void JNICALL Java_gnu_java_awt_peer_qt_QPainterPath_dispose
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(JNIEnv *env, jobject obj)
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{
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QPainterPath *path = (QPainterPath *)getNativeObject(env, obj);
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if ( path )
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delete path;
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}
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/********* GeneralPath functions *****************************/
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// FIXME : Cache method ids.
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static void gp_moveTo( JNIEnv *env,
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jobject gp,
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jclass cls,
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double x1,
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double y1 )
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{
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jmethodID method;
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jvalue values[2];
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values[0].f = (jfloat) x1;
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values[1].f = (jfloat) y1;
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method = env->GetMethodID(cls, "moveTo", "(FF)V");
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env->CallVoidMethodA( gp, method, values );
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}
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static void gp_lineTo( JNIEnv *env,
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jobject gp,
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jclass cls,
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double x1,
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double y1 )
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{
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jmethodID method;
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jvalue values[2];
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values[0].f = (jfloat) x1;
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values[1].f = (jfloat) y1;
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method = env->GetMethodID(cls, "lineTo", "(FF)V");
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env->CallVoidMethodA( gp, method, values );
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}
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static void gp_curveTo( JNIEnv *env,
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jobject gp,
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jclass cls,
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double x1,
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double y1,
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double x2,
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double y2,
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double x3,
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double y3 )
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{
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jmethodID method;
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jvalue values[6];
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values[0].f = (jfloat) x1;
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values[1].f = (jfloat) y1;
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values[2].f = (jfloat) x2;
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values[3].f = (jfloat) y2;
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values[4].f = (jfloat) x3;
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values[5].f = (jfloat) y3;
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method = env->GetMethodID(cls, "curveTo", "(FFFFFF)V");
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env->CallVoidMethodA( gp, method, values );
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}
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/**
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* Returns the QPainterPath obj as a java.awt.geom.GeneralPath.
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*/
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JNIEXPORT jobject JNICALL Java_gnu_java_awt_peer_qt_QPainterPath_getPath
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(JNIEnv *env, jobject obj)
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{
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jclass cls;
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jmethodID method;
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jobject gp;
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QPainterPath::Element currElement;
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int windingRule;
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QPainterPath *path = new QPainterPath();
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assert( path );
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windingRule = (path->fillRule() == Qt::OddEvenFill) ?
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WIND_EVEN_ODD : WIND_NON_ZERO;
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cls = env->FindClass("java/awt/geom/GeneralPath");
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method = env->GetMethodID(cls, "<init>", "(I)V");
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gp = env->NewObject(cls, method, windingRule);
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for( int i = 0; i < path->elementCount(); i++)
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{
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currElement = path->elementAt( i );
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switch(currElement.type)
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{
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case QPainterPath::MoveToElement:
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gp_moveTo(env, gp, cls, currElement.x, currElement.y);
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break;
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case QPainterPath::LineToElement:
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gp_lineTo(env, gp, cls, currElement.x, currElement.y);
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break;
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case QPainterPath::CurveToElement:
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if( i + 2 >= path->elementCount() )
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break;
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if(path->elementAt(i + 1).type != QPainterPath::CurveToDataElement ||
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path->elementAt(i + 2).type != QPainterPath::CurveToDataElement)
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break;
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gp_curveTo(env, gp, cls, currElement.x, currElement.y,
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path->elementAt(i + 1).x, path->elementAt(i + 1).y,
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path->elementAt(i + 2).x, path->elementAt(i + 2).y );
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i += 2;
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break;
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}
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}
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env->DeleteLocalRef( cls );
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return gp;
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}
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