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