private static boolean useJavaMipmapCode = true; static { AccessController.doPrivileged(new PrivilegedAction() { public Object run() { String val = System.getProperty("jogl.glu.nojava"); if (val != null && !val.toLowerCase().equals("false")) { useJavaMipmapCode = false; } return null; } }); } /** * Instantiates a new OpenGL Utility Library object. A GLU object may * be instantiated at any point in the application and is not * inherently tied to any particular OpenGL context; however, the GLU * object may only be used when an OpenGL context is current on the * current thread. Attempts to call most of the methods in the GLU * library when no OpenGL context is current will cause an exception * to be thrown. * * <P> * * The returned GLU object is not guaranteed to be thread-safe and * should only be used from one thread at a time. Multiple GLU objects * may be instantiated to be used from different threads * simultaneously. */ public GLU() { this.project = new Project(); } //---------------------------------------------------------------------- // Utility routines // /** * Returns the GL object associated with the OpenGL context current on * the current thread. Throws GLException if no OpenGL context is * current. */ public static GL getCurrentGL() throws GLException { GLContext curContext = GLContext.getCurrent(); if (curContext == null) { throw new GLException("No OpenGL context current on this thread"); } return curContext.getGL(); } public String gluErrorString(int errorCode) { return Error.gluErrorString(errorCode); } /* extName is an extension name. * extString is a string of extensions separated by blank(s). There may or * may not be leading or trailing blank(s) in extString. * This works in cases of extensions being prefixes of another like * GL_EXT_texture and GL_EXT_texture3D. * Returns true if extName is found otherwise it returns false. */ public boolean gluCheckExtension(java.lang.String extName, java.lang.String extString) { return Registry.gluCheckExtension(extName, extString); } public String gluGetString(int name) { return Registry.gluGetString(name); } /** * Returns true if the specified GLU core- or extension-function can be * successfully used through this GLU instance. By "successfully" we mean * that the function is both <i>callable</i> on the machine running the * program and <i>available</i> on the current display.<P> * * A GLU function is <i>callable</i> if it is a GLU core- or extension-function * that is supported by the underlying GLU implementation. The function is * <i>available</i> if the OpenGL implementation on the display meets the * requirements of the GLU function being called (because GLU functions utilize * OpenGL functions). <P> * * Whether or not a GLU function is <i>callable</i> is determined as follows: * <ul> * <li>If the function is a GLU core function (i.e., not an * extension), <code>gluGetString(GLU_VERSION)</code> is used to determine the * version number of the underlying GLU implementation on the host. * then the function name is cross-referenced with that specification to * see if it is part of that version's specification. * * <li> If the function is a GLU extension, the function name is * cross-referenced with the list returned by * <code>gluGetString(GLU_EXTENSIONS)</code> to see if the function is one of * the extensions that is supported by the underlying GLU implementation. * </ul> * * Whether or not a GLU function is <i>available</i> is determined as follows: * <ul> * <li>If the function is a GLU core function then the function is first * cross-referenced with the GLU specifications to find the minimum GLU * version required to <i>call</i> that GLU function. Then the following table * is consulted to determine the minimum GL version required for that version * of GLU: * <ul> * <li> GLU 1.0 requires OpenGL 1.0 * <li> GLU 1.1 requires OpenGL 1.0 * <li> GLU 1.2 requires OpenGL 1.1 * <li> GLU 1.3 requires OpenGL 1.2 * </ul> * Finally, <code>glGetString(GL_VERSION)</code> is used to determine the * highest OpenGL version that both host and display support, and from that it * is possible to determine if the GL facilities required by the GLU function * are <i>available</i> on the display. * * <li> If the function is a GLU extension, the function name is * cross-referenced with the list returned by * <code>gluGetString(GLU_EXTENSIONS)</code> to see if the function is one of * the extensions that is supported by the underlying GLU implementation. * </ul> * * <b>NOTE:</b>The availability of a function may change at runtime in * response to changes in the display environment. For example, when a window * is dragged from one display to another on a multi-display system, or when * the properties of the display device are modified (e.g., changing the color * depth of the display). Any application that is concerned with handling * these situations correctly should confirm availability after a display * change before calling a questionable OpenGL function. To detect a change in * the display device, please see {@link * GLEventListener#displayChanged(GLAutoDrawable,boolean,boolean)}. * * @param gluFunctionName the name of the OpenGL function (e.g., use * "gluNurbsCallbackDataEXT" to check if the <code> * gluNurbsCallbackDataEXT(GLUnurbs, GLvoid)</code> extension is available). */ public boolean isFunctionAvailable(String gluFunctionName) { if (useJavaMipmapCode) { // All GLU functions are available in Java port return true; } return (gluProcAddressTable.getAddressFor(gluFunctionName) != 0); } //---------------------------------------------------------------------- // Tessellation routines // /***************************************************************************** * <b>gluNewTess</b> creates and returns a new tessellation object. This * object must be referred to when calling tesselation methods. A return * value of null means that there was not enough memeory to allocate the * object. * * @return A new tessellation object. * * @see #gluTessBeginPolygon gluTessBeginPolygon * @see #gluDeleteTess gluDeleteTess * @see #gluTessCallback gluTessCallback ****************************************************************************/ public GLUtessellator gluNewTess() { return GLUtessellatorImpl.gluNewTess(); } /***************************************************************************** * <b>gluDeleteTess</b> destroys the indicated tessellation object (which was * created with {@link #gluNewTess gluNewTess}). * * @param tessellator * Specifies the tessellation object to destroy. * * @see #gluBeginPolygon gluBeginPolygon * @see #gluNewTess gluNewTess * @see #gluTessCallback gluTessCallback ****************************************************************************/ public void gluDeleteTess(GLUtessellator tessellator) { GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; tess.gluDeleteTess(); } /***************************************************************************** * <b>gluTessProperty</b> is used to control properites stored in a * tessellation object. These properties affect the way that the polygons are * interpreted and rendered. The legal value for <i>which</i> are as * follows:<P> * * <b>GLU_TESS_WINDING_RULE</b> * <UL> * Determines which parts of the polygon are on the "interior". * <em>value</em> may be set to one of * <BR><b>GLU_TESS_WINDING_ODD</b>, * <BR><b>GLU_TESS_WINDING_NONZERO</b>, * <BR><b>GLU_TESS_WINDING_POSITIVE</b>, or * <BR><b>GLU_TESS_WINDING_NEGATIVE</b>, or * <BR><b>GLU_TESS_WINDING_ABS_GEQ_TWO</b>.<P> * * To understand how the winding rule works, consider that the input * contours partition the plane into regions. The winding rule determines * which of these regions are inside the polygon.<P> * * For a single contour C, the winding number of a point x is simply the * signed number of revolutions we make around x as we travel once around C * (where CCW is positive). When there are several contours, the individual * winding numbers are summed. This procedure associates a signed integer * value with each point x in the plane. Note that the winding number is * the same for all points in a single region.<P> * * The winding rule classifies a region as "inside" if its winding number * belongs to the chosen category (odd, nonzero, positive, negative, or * absolute value of at least two). The previous GLU tessellator (prior to * GLU 1.2) used the "odd" rule. The "nonzero" rule is another common way * to define the interior. The other three rules are useful for polygon CSG * operations. * </UL> * <BR><b>GLU_TESS_BOUNDARY_ONLY</b> * <UL> * Is a boolean value ("value" should be set to GL_TRUE or GL_FALSE). When * set to GL_TRUE, a set of closed contours separating the polygon interior * and exterior are returned instead of a tessellation. Exterior contours * are oriented CCW with respect to the normal; interior contours are * oriented CW. The <b>GLU_TESS_BEGIN</b> and <b>GLU_TESS_BEGIN_DATA</b> * callbacks use the type GL_LINE_LOOP for each contour. * </UL> * <BR><b>GLU_TESS_TOLERANCE</b> * <UL> * Specifies a tolerance for merging features to reduce the size of the * output. For example, two vertices that are very close to each other * might be replaced by a single vertex. The tolerance is multiplied by the * largest coordinate magnitude of any input vertex; this specifies the * maximum distance that any feature can move as the result of a single * merge operation. If a single feature takes part in several merge * operations, the toal distance moved could be larger.<P> * * Feature merging is completely optional; the tolerance is only a hint. * The implementation is free to merge in some cases and not in others, or * to never merge features at all. The initial tolerance is 0.<P> * * The current implementation merges vertices only if they are exactly * coincident, regardless of the current tolerance. A vertex is spliced * into an edge only if the implementation is unable to distinguish which * side of the edge the vertex lies on. Two edges are merged only when both * endpoints are identical. * </UL> * * @param tessellator * Specifies the tessellation object created with * {@link #gluNewTess gluNewTess} * @param which * Specifies the property to be set. Valid values are * <b>GLU_TESS_WINDING_RULE</b>, <b>GLU_TESS_BOUNDARDY_ONLY</b>, * <b>GLU_TESS_TOLERANCE</b>. * @param value * Specifices the value of the indicated property. * * @see #gluGetTessProperty gluGetTessProperty * @see #gluNewTess gluNewTess ****************************************************************************/ public void gluTessProperty(GLUtessellator tessellator, int which, double value) { GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; tess.gluTessProperty(which, value); } /***************************************************************************** * <b>gluGetTessProperty</b> retrieves properties stored in a tessellation * object. These properties affect the way that tessellation objects are * interpreted and rendered. See the * {@link #gluTessProperty gluTessProperty} reference * page for information about the properties and what they do. * * @param tessellator * Specifies the tessellation object (created with * {@link #gluNewTess gluNewTess}). * @param which * Specifies the property whose value is to be fetched. Valid values * are <b>GLU_TESS_WINDING_RULE</b>, <b>GLU_TESS_BOUNDARY_ONLY</b>, * and <b>GLU_TESS_TOLERANCES</b>. * @param value * Specifices an array into which the value of the named property is * written. * * @see #gluNewTess gluNewTess * @see #gluTessProperty gluTessProperty ****************************************************************************/ public void gluGetTessProperty(GLUtessellator tessellator, int which, double[] value, int value_offset) { GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; tess.gluGetTessProperty(which, value, value_offset); } /***************************************************************************** * <b>gluTessNormal</b> describes a normal for a polygon that the program is * defining. All input data will be projected onto a plane perpendicular to * the one of the three coordinate axes before tessellation and all output * triangles will be oriented CCW with repsect to the normal (CW orientation * can be obtained by reversing the sign of the supplied normal). For * example, if you know that all polygons lie in the x-y plane, call * <b>gluTessNormal</b>(tess, 0.0, 0.0, 0.0) before rendering any polygons.<P> * * If the supplied normal is (0.0, 0.0, 0.0)(the initial value), the normal * is determined as follows. The direction of the normal, up to its sign, is * found by fitting a plane to the vertices, without regard to how the * vertices are connected. It is expected that the input data lies * approximately in the plane; otherwise, projection perpendicular to one of * the three coordinate axes may substantially change the geometry. The sign * of the normal is chosen so that the sum of the signed areas of all input * contours is nonnegative (where a CCW contour has positive area).<P> * * The supplied normal persists until it is changed by another call to * <b>gluTessNormal</b>. * * @param tessellator * Specifies the tessellation object (created by * {@link #gluNewTess gluNewTess}). * @param x * Specifies the first component of the normal. * @param y * Specifies the second component of the normal. * @param z * Specifies the third component of the normal. * * @see #gluTessBeginPolygon gluTessBeginPolygon * @see #gluTessEndPolygon gluTessEndPolygon ****************************************************************************/ public void gluTessNormal(GLUtessellator tessellator, double x, double y, double z) { GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; tess.gluTessNormal(x, y, z); } /***************************************************************************** * <b>gluTessCallback</b> is used to indicate a callback to be used by a * tessellation object. If the specified callback is already defined, then it * is replaced. If <i>aCallback</i> is null, then the existing callback * becomes undefined.<P> * * These callbacks are used by the tessellation object to describe how a * polygon specified by the user is broken into triangles. Note that there are * two versions of each callback: one with user-specified polygon data and one * without. If both versions of a particular callback are specified, then the * callback with user-specified polygon data will be used. Note that the * polygonData parameter used by some of the methods is a copy of the * reference that was specified when * {@link #gluTessBeginPolygon gluTessBeginPolygon} * was called. The legal callbacks are as follows:<P> * * <b>GLU_TESS_BEGIN</b> * <UL> * The begin callback is invoked like {@link javax.media.opengl.GL#glBegin * glBegin} to indicate the start of a (triangle) primitive. The method * takes a single argument of type int. If the * <b>GLU_TESS_BOUNDARY_ONLY</b> property is set to <b>GL_FALSE</b>, then * the argument is set to either <b>GL_TRIANGLE_FAN</b>, * <b>GL_TRIANGLE_STRIP</b>, or <b>GL_TRIANGLES</b>. If the * <b>GLU_TESS_BOUNDARY_ONLY</b> property is set to <b>GL_TRUE</b>, then the * argument will be set to <b>GL_LINE_LOOP</b>. The method prototype for * this callback is: * </UL> * * <PRE> * void begin(int type);</PRE><P> * * <b>GLU_TESS_BEGIN_DATA</b> * <UL> * The same as the <b>GLU_TESS_BEGIN</b> callback except * that it takes an additional reference argument. This reference is * identical to the opaque reference provided when * {@link #gluTessBeginPolygon gluTessBeginPolygon} * was called. The method prototype for this callback is: * </UL> * * <PRE> * void beginData(int type, Object polygonData);</PRE> * * <b>GLU_TESS_EDGE_FLAG</b> * <UL> * The edge flag callback is similar to * {@link javax.media.opengl.GL#glEdgeFlag glEdgeFlag}. The method takes * a single boolean boundaryEdge that indicates which edges lie on the * polygon boundary. If the boundaryEdge is <b>GL_TRUE</b>, then each vertex * that follows begins an edge that lies on the polygon boundary, that is, * an edge that separates an interior region from an exterior one. If the * boundaryEdge is <b>GL_FALSE</b>, then each vertex that follows begins an * edge that lies in the polygon interior. The edge flag callback (if * defined) is invoked before the first vertex callback.<P> * * Since triangle fans and triangle strips do not support edge flags, the * begin callback is not called with <b>GL_TRIANGLE_FAN</b> or * <b>GL_TRIANGLE_STRIP</b> if a non-null edge flag callback is provided. * (If the callback is initialized to null, there is no impact on * performance). Instead, the fans and strips are converted to independent * triangles. The method prototype for this callback is: * </UL> * * <PRE> * void edgeFlag(boolean boundaryEdge);</PRE> * * <b>GLU_TESS_EDGE_FLAG_DATA</b> * <UL> * The same as the <b>GLU_TESS_EDGE_FLAG</b> callback except that it takes * an additional reference argument. This reference is identical to the * opaque reference provided when * {@link #gluTessBeginPolygon gluTessBeginPolygon} * was called. The method prototype for this callback is: * </UL> * * <PRE> * void edgeFlagData(boolean boundaryEdge, Object polygonData);</PRE> * * <b>GLU_TESS_VERTEX</b> * <UL> * The vertex callback is invoked between the begin and end callbacks. It is * similar to {@link javax.media.opengl.GL#glVertex3f glVertex3f}, and it * defines the vertices of the triangles created by the tessellation * process. The method takes a reference as its only argument. This * reference is identical to the opaque reference provided by the user when * the vertex was described (see * {@link #gluTessVertex gluTessVertex}). The method * prototype for this callback is: * </UL> * * <PRE> * void vertex(Object vertexData);</PRE> * * <b>GLU_TESS_VERTEX_DATA</b> * <UL> * The same as the <b>GLU_TESS_VERTEX</b> callback except that it takes an * additional reference argument. This reference is identical to the opaque * reference provided when * {@link #gluTessBeginPolygon gluTessBeginPolygon} * was called. The method prototype for this callback is: * </UL> * * <PRE> * void vertexData(Object vertexData, Object polygonData);</PRE> * * <b>GLU_TESS_END</b> * <UL> * The end callback serves the same purpose as * {@link javax.media.opengl.GL#glEnd glEnd}. It indicates the end of a * primitive and it takes no arguments. The method prototype for this * callback is: * </UL> * * <PRE> * void end();</PRE> * * <b>GLU_TESS_END_DATA</b> * <UL> * The same as the <b>GLU_TESS_END</b> callback except that it takes an * additional reference argument. This reference is identical to the opaque * reference provided when * {@link #gluTessBeginPolygon gluTessBeginPolygon} * was called. The method prototype for this callback is: * </UL> * * <PRE> * void endData(Object polygonData);</PRE> * * <b>GLU_TESS_COMBINE</b> * <UL> * The combine callback is called to create a new vertex when the * tessellation detects an intersection, or wishes to merge features. The * method takes four arguments: an array of three elements each of type * double, an array of four references, an array of four elements each of * type float, and a reference to a reference. The prototype is: * </UL> * * <PRE> * void combine(double[] coords, Object[] data, * float[] weight, Object[] outData);</PRE> * * <UL> * The vertex is defined as a linear combination of up to four existing * vertices, stored in <i>data</i>. The coefficients of the linear * combination are given by <i>weight</i>; these weights always add up to 1. * All vertex pointers are valid even when some of the weights are 0. * <i>coords</i> gives the location of the new vertex.<P> * * The user must allocate another vertex, interpolate parameters using * <i>data</i> and <i>weight</i>, and return the new vertex pointer * in <i>outData</i>. This handle is supplied during rendering callbacks. * The user is responsible for freeing the memory some time after * {@link #gluTessEndPolygon gluTessEndPolygon} is * called.<P> * * For example, if the polygon lies in an arbitrary plane in 3-space, and a * color is associated with each vertex, the <b>GLU_TESS_COMBINE</b> * callback might look like this: * </UL> * <PRE> * void myCombine(double[] coords, Object[] data, * float[] weight, Object[] outData) * { * MyVertex newVertex = new MyVertex(); * * newVertex.x = coords[0]; * newVertex.y = coords[1]; * newVertex.z = coords[2]; * newVertex.r = weight[0]*data[0].r + * weight[1]*data[1].r + * weight[2]*data[2].r + * weight[3]*data[3].r; * newVertex.g = weight[0]*data[0].g + * weight[1]*data[1].g + * weight[2]*data[2].g + * weight[3]*data[3].g; * newVertex.b = weight[0]*data[0].b + * weight[1]*data[1].b + * weight[2]*data[2].b + * weight[3]*data[3].b; * newVertex.a = weight[0]*data[0].a + * weight[1]*data[1].a + * weight[2]*data[2].a + * weight[3]*data[3].a; * outData = newVertex; * }</PRE> * * <UL> * If the tessellation detects an intersection, then the * <b>GLU_TESS_COMBINE</b> or <b>GLU_TESS_COMBINE_DATA</b> callback (see * below) must be defined, and it must write a non-null reference into * <i>outData</i>. Otherwise the <b>GLU_TESS_NEED_COMBINE_CALLBACK</b> error * occurs, and no output is generated. * </UL> * * <b>GLU_TESS_COMBINE_DATA</b> * <UL> * The same as the <b>GLU_TESS_COMBINE</b> callback except that it takes an * additional reference argument. This reference is identical to the opaque * reference provided when * {@link #gluTessBeginPolygon gluTessBeginPolygon} * was called. The method prototype for this callback is: * </UL> * * <PRE> * void combineData(double[] coords, Object[] data, float[] weight, Object[] outData, Object polygonData);</PRE> * * <b>GLU_TESS_ERROR</b> * <UL> * The error callback is called when an error is encountered. The one * argument is of type int; it indicates the specific error that occurred * and will be set to one of <b>GLU_TESS_MISSING_BEGIN_POLYGON</b>, * <b>GLU_TESS_MISSING_END_POLYGON</b>, * <b>GLU_TESS_MISSING_BEGIN_CONTOUR</b>, * <b>GLU_TESS_MISSING_END_CONTOUR</b>, <b>GLU_TESS_COORD_TOO_LARGE</b>, * <b>GLU_TESS_NEED_COMBINE_CALLBACK</b> or <b>GLU_OUT_OF_MEMORY</b>. * Character strings describing these errors can be retrieved with the * {@link #gluErrorString gluErrorString} call. The * method prototype for this callback is: * </UL> * * <PRE> * void error(int errnum);</PRE> * * <UL> * The GLU library will recover from the first four errors by inserting the * missing call(s). <b>GLU_TESS_COORD_TOO_LARGE</b> indicates that some * vertex coordinate exceeded the predefined constant * <b>GLU_TESS_MAX_COORD</b> in absolute value, and that the value has been * clamped. (Coordinate values must be small enough so that two can be * multiplied together without overflow.) * <b>GLU_TESS_NEED_COMBINE_CALLBACK</b> indicates that the tessellation * detected an intersection between two edges in the input data, and the * <b>GLU_TESS_COMBINE</b> or <b>GLU_TESS_COMBINE_DATA</b> callback was not * provided. No output is generated. <b>GLU_OUT_OF_MEMORY</b> indicates that * there is not enough memory so no output is generated. * </UL> * * <b>GLU_TESS_ERROR_DATA</b> * <UL> * The same as the GLU_TESS_ERROR callback except that it takes an * additional reference argument. This reference is identical to the opaque * reference provided when * {@link #gluTessBeginPolygon gluTessBeginPolygon} * was called. The method prototype for this callback is: * </UL> * * <PRE> * void errorData(int errnum, Object polygonData);</PRE> * * @param tessellator * Specifies the tessellation object (created with * {@link #gluNewTess gluNewTess}). * @param which * Specifies the callback being defined. The following values are * valid: <b>GLU_TESS_BEGIN</b>, <b>GLU_TESS_BEGIN_DATA</b>, * <b>GLU_TESS_EDGE_FLAG</b>, <b>GLU_TESS_EDGE_FLAG_DATA</b>, * <b>GLU_TESS_VERTEX</b>, <b>GLU_TESS_VERTEX_DATA</b>, * <b>GLU_TESS_END</b>, <b>GLU_TESS_END_DATA</b>, * <b>GLU_TESS_COMBINE</b>, <b>GLU_TESS_COMBINE_DATA</b>, * <b>GLU_TESS_ERROR</b>, and <b>GLU_TESS_ERROR_DATA</b>. * @param aCallback * Specifies the callback object to be called. * * @see javax.media.opengl.GL#glBegin glBegin * @see javax.media.opengl.GL#glEdgeFlag glEdgeFlag * @see javax.media.opengl.GL#glVertex3f glVertex3f * @see #gluNewTess gluNewTess * @see #gluErrorString gluErrorString * @see #gluTessVertex gluTessVertex * @see #gluTessBeginPolygon gluTessBeginPolygon * @see #gluTessBeginContour gluTessBeginContour * @see #gluTessProperty gluTessProperty * @see #gluTessNormal gluTessNormal ****************************************************************************/ public void gluTessCallback(GLUtessellator tessellator, int which, GLUtessellatorCallback aCallback) { GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; tess.gluTessCallback(which, aCallback); } /***************************************************************************** * <b>gluTessVertex</b> describes a vertex on a polygon that the program * defines. Successive <b>gluTessVertex</b> calls describe a closed contour. * For example, to describe a quadrilateral <b>gluTessVertex</b> should be * called four times. <b>gluTessVertex</b> can only be called between * {@link #gluTessBeginContour gluTessBeginContour} and * {@link #gluTessBeginContour gluTessEndContour}.<P> * * <b>data</b> normally references to a structure containing the vertex * location, as well as other per-vertex attributes such as color and normal. * This reference is passed back to the user through the * <b>GLU_TESS_VERTEX</b> or <b>GLU_TESS_VERTEX_DATA</b> callback after * tessellation (see the {@link #gluTessCallback * gluTessCallback} reference page). * * @param tessellator * Specifies the tessellation object (created with * {@link #gluNewTess gluNewTess}). * @param coords * Specifies the coordinates of the vertex. * @param data * Specifies an opaque reference passed back to the program with the * vertex callback (as specified by * {@link #gluTessCallback gluTessCallback}). * * @see #gluTessBeginPolygon gluTessBeginPolygon * @see #gluNewTess gluNewTess * @see #gluTessBeginContour gluTessBeginContour * @see #gluTessCallback gluTessCallback * @see #gluTessProperty gluTessProperty * @see #gluTessNormal gluTessNormal * @see #gluTessEndPolygon gluTessEndPolygon ****************************************************************************/ public void gluTessVertex(GLUtessellator tessellator, double[] coords, int coords_offset, Object data) { GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; tess.gluTessVertex(coords, coords_offset, data); } /***************************************************************************** * <b>gluTessBeginPolygon</b> and * {@link #gluTessEndPolygon gluTessEndPolygon} delimit * the definition of a convex, concave or self-intersecting polygon. Within * each <b>gluTessBeginPolygon</b>/ * {@link #gluTessEndPolygon gluTessEndPolygon} pair, * there must be one or more calls to * {@link #gluTessBeginContour gluTessBeginContour}/ * {@link #gluTessEndContour gluTessEndContour}. Within * each contour, there are zero or more calls to * {@link #gluTessVertex gluTessVertex}. The vertices * specify a closed contour (the last vertex of each contour is automatically * linked to the first). See the {@link #gluTessVertex * gluTessVertex}, {@link #gluTessBeginContour * gluTessBeginContour}, and {@link #gluTessEndContour * gluTessEndContour} reference pages for more details.<P> * * <b>data</b> is a reference to a user-defined data structure. If the * appropriate callback(s) are specified (see * {@link #gluTessCallback gluTessCallback}), then this * reference is returned to the callback method(s). Thus, it is a convenient * way to store per-polygon information.<P> * * Once {@link #gluTessEndPolygon gluTessEndPolygon} is * called, the polygon is tessellated, and the resulting triangles are * described through callbacks. See * {@link #gluTessCallback gluTessCallback} for * descriptions of the callback methods. * * @param tessellator * Specifies the tessellation object (created with * {@link #gluNewTess gluNewTess}). * @param data * Specifies a reference to user polygon data. * * @see #gluNewTess gluNewTess * @see #gluTessBeginContour gluTessBeginContour * @see #gluTessVertex gluTessVertex * @see #gluTessCallback gluTessCallback * @see #gluTessProperty gluTessProperty * @see #gluTessNormal gluTessNormal * @see #gluTessEndPolygon gluTessEndPolygon ****************************************************************************/ public void gluTessBeginPolygon(GLUtessellator tessellator, Object data) { GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; tess.gluTessBeginPolygon(data); } /***************************************************************************** * <b>gluTessBeginContour</b> and * {@link #gluTessEndContour gluTessEndContour} delimit * the definition of a polygon contour. Within each * <b>gluTessBeginContour</b>/ * {@link #gluTessEndContour gluTessEndContour} pair, * there can be zero or more calls to * {@link #gluTessVertex gluTessVertex}. The vertices * specify a closed contour (the last vertex of each contour is automatically * linked to the first). See the {@link #gluTessVertex * gluTessVertex} reference page for more details. <b>gluTessBeginContour</b> * can only be called between * {@link #gluTessBeginPolygon gluTessBeginPolygon} and * {@link #gluTessEndPolygon gluTessEndPolygon}. * * @param tessellator * Specifies the tessellation object (created with * {@link #gluNewTess gluNewTess}). * * @see #gluNewTess gluNewTess * @see #gluTessBeginPolygon gluTessBeginPolygon * @see #gluTessVertex gluTessVertex * @see #gluTessCallback gluTessCallback * @see #gluTessProperty gluTessProperty * @see #gluTessNormal gluTessNormal * @see #gluTessEndPolygon gluTessEndPolygon ****************************************************************************/ public void gluTessBeginContour(GLUtessellator tessellator) { GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; tess.gluTessBeginContour(); } /***************************************************************************** * <b>gluTessEndContour</b> and * {@link #gluTessBeginContour gluTessBeginContour} * delimit the definition of a polygon contour. Within each * {@link #gluTessBeginContour gluTessBeginContour}/ * <b>gluTessEndContour</b> pair, there can be zero or more calls to * {@link #gluTessVertex gluTessVertex}. The vertices * specify a closed contour (the last vertex of each contour is automatically * linked to the first). See the {@link #gluTessVertex * gluTessVertex} reference page for more details. * {@link #gluTessBeginContour gluTessBeginContour} can * only be called between {@link #gluTessBeginPolygon * gluTessBeginPolygon} and * {@link #gluTessEndPolygon gluTessEndPolygon}. * * @param tessellator * Specifies the tessellation object (created with * {@link #gluNewTess gluNewTess}). * * @see #gluNewTess gluNewTess * @see #gluTessBeginPolygon gluTessBeginPolygon * @see #gluTessVertex gluTessVertex * @see #gluTessCallback gluTessCallback * @see #gluTessProperty gluTessProperty * @see #gluTessNormal gluTessNormal * @see #gluTessEndPolygon gluTessEndPolygon ****************************************************************************/ public void gluTessEndContour(GLUtessellator tessellator) { GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; tess.gluTessEndContour(); } /***************************************************************************** * <b>gluTessEndPolygon</b> and * {@link #gluTessBeginPolygon gluTessBeginPolygon} * delimit the definition of a convex, concave or self-intersecting polygon. * Within each {@link #gluTessBeginPolygon * gluTessBeginPolygon}/<b>gluTessEndPolygon</b> pair, there must be one or * more calls to {@link #gluTessBeginContour * gluTessBeginContour}/{@link #gluTessEndContour * gluTessEndContour}. Within each contour, there are zero or more calls to * {@link #gluTessVertex gluTessVertex}. The vertices * specify a closed contour (the last vertex of each contour is automatically * linked to the first). See the {@link #gluTessVertex * gluTessVertex}, {@link #gluTessBeginContour * gluTessBeginContour} and {@link #gluTessEndContour * gluTessEndContour} reference pages for more details.<P> * * Once <b>gluTessEndPolygon</b> is called, the polygon is tessellated, and * the resulting triangles are described through callbacks. See * {@link #gluTessCallback gluTessCallback} for * descriptions of the callback functions. * * @param tessellator * Specifies the tessellation object (created with * {@link #gluNewTess gluNewTess}). * * @see #gluNewTess gluNewTess * @see #gluTessBeginContour gluTessBeginContour * @see #gluTessVertex gluTessVertex * @see #gluTessCallback gluTessCallback * @see #gluTessProperty gluTessProperty * @see #gluTessNormal gluTessNormal * @see #gluTessBeginPolygon gluTessBeginPolygon ****************************************************************************/ public void gluTessEndPolygon(GLUtessellator tessellator) { GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; tess.gluTessEndPolygon(); } /***************************************************************************** * <b>gluBeginPolygon</b> and {@link #gluEndPolygon gluEndPolygon} * delimit the definition of a nonconvex polygon. To define such a * polygon, first call <b>gluBeginPolygon</b>. Then define the * contours of the polygon by calling {@link #gluTessVertex * gluTessVertex} for each vertex and {@link #gluNextContour * gluNextContour} to start each new contour. Finally, call {@link * #gluEndPolygon gluEndPolygon} to signal the end of the * definition. See the {@link #gluTessVertex gluTessVertex} and {@link * #gluNextContour gluNextContour} reference pages for more * details.<P> * * Once {@link #gluEndPolygon gluEndPolygon} is called, * the polygon is tessellated, and the resulting triangles are described * through callbacks. See {@link #gluTessCallback * gluTessCallback} for descriptions of the callback methods. * * @param tessellator * Specifies the tessellation object (created with * {@link #gluNewTess gluNewTess}). * * @see #gluNewTess gluNewTess * @see #gluNextContour gluNextContour * @see #gluTessCallback gluTessCallback * @see #gluTessVertex gluTessVertex * @see #gluTessBeginPolygon gluTessBeginPolygon * @see #gluTessBeginContour gluTessBeginContour ****************************************************************************/ public void gluBeginPolygon(GLUtessellator tessellator) { GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; tess.gluBeginPolygon(); } /***************************************************************************** * <b>gluNextContour</b> is used to describe polygons with multiple * contours. After you describe the first contour through a series of * {@link #gluTessVertex gluTessVertex} calls, a * <b>gluNextContour</b> call indicates that the previous contour is complete * and that the next contour is about to begin. Perform another series of * {@link #gluTessVertex gluTessVertex} calls to * describe the new contour. Repeat this process until all contours have been * described.<P> * * The type parameter defines what type of contour follows. The following * values are valid. <P> * * <b>GLU_EXTERIOR</b> * <UL> * An exterior contour defines an exterior boundary of the polygon. * </UL> * <b>GLU_INTERIOR</b> * <UL> * An interior contour defines an interior boundary of the polygon (such as * a hole). * </UL> * <b>GLU_UNKNOWN</b> * <UL> * An unknown contour is analyzed by the library to determine whether it is * interior or exterior. * </UL> * <b>GLU_CCW, GLU_CW</b> * <UL> * The first <b>GLU_CCW</b> or <b>GLU_CW</b> contour defined is considered * to be exterior. All other contours are considered to be exterior if they * are oriented in the same direction (clockwise or counterclockwise) as the * first contour, and interior if they are not. If one contour is of type * <b>GLU_CCW</b> or <b>GLU_CW</b>, then all contours must be of the same * type (if they are not, then all <b>GLU_CCW</b> and <b>GLU_CW</b> contours * will be changed to <b>GLU_UNKNOWN</b>). Note that there is no * real difference between the <b>GLU_CCW</b> and <b>GLU_CW</b> contour * types. * </UL><P> * * To define the type of the first contour, you can call <b>gluNextContour</b> * before describing the first contour. If you do not call * <b>gluNextContour</b> before the first contour, the first contour is marked * <b>GLU_EXTERIOR</b>.<P> * * <UL> * <b>Note:</b> The <b>gluNextContour</b> function is obsolete and is * provided for backward compatibility only. The <b>gluNextContour</b> * function is mapped to {@link #gluTessEndContour * gluTessEndContour} followed by * {@link #gluTessBeginContour gluTessBeginContour}. * </UL> * * @param tessellator * Specifies the tessellation object (created with * {@link #gluNewTess gluNewTess}). * @param type * The type of the contour being defined. * * @see #gluNewTess gluNewTess * @see #gluTessBeginContour gluTessBeginContour * @see #gluTessBeginPolygon gluTessBeginPolygon * @see #gluTessCallback gluTessCallback * @see #gluTessEndContour gluTessEndContour * @see #gluTessVertex gluTessVertex ****************************************************************************/ public void gluNextContour(GLUtessellator tessellator, int type) { GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; tess.gluNextContour(type); } /***************************************************************************** * <b>gluEndPolygon</b> and {@link #gluBeginPolygon * gluBeginPolygon} delimit the definition of a nonconvex polygon. To define * such a polygon, first call {@link #gluBeginPolygon * gluBeginPolygon}. Then define the contours of the polygon by calling * {@link #gluTessVertex gluTessVertex} for each vertex * and {@link #gluNextContour gluNextContour} to start * each new contour. Finally, call <b>gluEndPolygon</b> to signal the end of * the definition. See the {@link #gluTessVertex * gluTessVertex} and {@link #gluNextContour * gluNextContour} reference pages for more details.<P> * * Once <b>gluEndPolygon</b> is called, the polygon is tessellated, and the * resulting triangles are described through callbacks. See * {@link #gluTessCallback gluTessCallback} for * descriptions of the callback methods. * * @param tessellator * Specifies the tessellation object (created with * {@link #gluNewTess gluNewTess}). * * @see #gluNewTess gluNewTess * @see #gluNextContour gluNextContour * @see #gluTessCallback gluTessCallback * @see #gluTessVertex gluTessVertex * @see #gluTessBeginPolygon gluTessBeginPolygon * @see #gluTessBeginContour gluTessBeginContour ****************************************************************************/ public void gluEndPolygon(GLUtessellator tessellator) { GLUtessellatorImpl tess = (GLUtessellatorImpl) tessellator; tess.gluEndPolygon(); } //---------------------------------------------------------------------- // Quadric functionality // /** Interface to C language function: <br> <code> void gluCylinder(GLUquadric * quad, GLdouble base, GLdouble top, GLdouble height, GLint slices, GLint stacks); </code> */ public void gluCylinder(GLUquadric quad, double base, double top, double height, int slices, int stacks) { ((GLUquadricImpl) quad).drawCylinder(getCurrentGL(), (float) base, (float) top, (float) height, slices, stacks); } /** Interface to C language function: <br> <code> void gluDeleteQuadric(GLUquadric * quad); </code> */ public void gluDeleteQuadric(GLUquadric quad) { } /** Interface to C language function: <br> <code> void gluDisk(GLUquadric * quad, GLdouble inner, GLdouble outer, GLint slices, GLint loops); </code> */ public void gluDisk(GLUquadric quad, double inner, double outer, int slices, int loops) { ((GLUquadricImpl) quad).drawDisk(getCurrentGL(), (float) inner, (float) outer, slices, loops); } /** Interface to C language function: <br> <code> GLUquadric * gluNewQuadric(void); </code> */ public GLUquadric gluNewQuadric() { return new GLUquadricImpl(); } /** Interface to C language function: <br> <code> void gluPartialDisk(GLUquadric * quad, GLdouble inner, GLdouble outer, GLint slices, GLint loops, GLdouble start, GLdouble sweep); </code> */ public void gluPartialDisk(GLUquadric quad, double inner, double outer, int slices, int loops, double start, double sweep) { ((GLUquadricImpl) quad).drawPartialDisk(getCurrentGL(), (float) inner, (float) outer, slices, loops, (float) start, (float) sweep); } /** Interface to C language function: <br> <code> void gluQuadricDrawStyle(GLUquadric * quad, GLenum draw); </code> */ public void gluQuadricDrawStyle(GLUquadric quad, int draw) { ((GLUquadricImpl) quad).setDrawStyle(draw); } /** Interface to C language function: <br> <code> void gluQuadricNormals(GLUquadric * quad, GLenum normal); </code> */ public void gluQuadricNormals(GLUquadric quad, int normal) { ((GLUquadricImpl) quad).setNormals(normal); } /** Interface to C language function: <br> <code> void gluQuadricOrientation(GLUquadric * quad, GLenum orientation); </code> */ public void gluQuadricOrientation(GLUquadric quad, int orientation) { ((GLUquadricImpl) quad).setOrientation(orientation); } /** Interface to C language function: <br> <code> void gluQuadricTexture(GLUquadric * quad, GLboolean texture); </code> */ public void gluQuadricTexture(GLUquadric quad, boolean texture) { ((GLUquadricImpl) quad).setTextureFlag(texture); } /** Interface to C language function: <br> <code> void gluSphere(GLUquadric * quad, GLdouble radius, GLint slices, GLint stacks); </code> */ public void gluSphere(GLUquadric quad, double radius, int slices, int stacks) { ((GLUquadricImpl) quad).drawSphere(getCurrentGL(), (float) radius, slices, stacks); } //---------------------------------------------------------------------- // Projection routines // private Project project; public void gluOrtho2D(double left, double right, double bottom, double top) { project.gluOrtho2D(getCurrentGL(), left, right, bottom, top); } public void gluPerspective(double fovy, double aspect, double zNear, double zFar) { project.gluPerspective(getCurrentGL(), fovy, aspect, zNear, zFar); } public void gluLookAt(double eyeX, double eyeY, double eyeZ, double centerX, double centerY, double centerZ, double upX, double upY, double upZ) { project.gluLookAt(getCurrentGL(), eyeX, eyeY, eyeZ, centerX, centerY, centerZ, upX, upY, upZ); } /** Interface to C language function: <br> <code> GLint gluProject(GLdouble objX, GLdouble objY, GLdouble objZ, const GLdouble * model, const GLdouble * proj, const GLint * view, GLdouble * winX, GLdouble * winY, GLdouble * winZ); </code> * <P> Accepts the outgoing window coordinates as a single array. */ public boolean gluProject(double objX, double objY, double objZ, double[] model, int model_offset, double[] proj, int proj_offset, int[] view, int view_offset, double[] winPos, int winPos_offset) { return project.gluProject(objX, objY, objZ, model, model_offset, proj, proj_offset, view, view_offset, winPos, winPos_offset); } /** Interface to C language function: <br> <code> GLint gluProject(GLdouble objX, GLdouble objY, GLdouble objZ, const GLdouble * model, const GLdouble * proj, const GLint * view, GLdouble * winX, GLdouble * winY, GLdouble * winZ); </code> * <P> Accepts the outgoing window coordinates as a single buffer. */ public boolean gluProject(double objX, double objY, double objZ, DoubleBuffer model, DoubleBuffer proj, IntBuffer view, DoubleBuffer winPos) { return project.gluProject(objX, objY, objZ, model, proj, view, winPos); } /** Interface to C language function: <br> <code> GLint gluUnProject(GLdouble winX, GLdouble winY, GLdouble winZ, const GLdouble * model, const GLdouble * proj, const GLint * view, GLdouble * objX, GLdouble * objY, GLdouble * objZ); </code> * <P> Accepts the outgoing object coordinates (a 3-vector) as a single array. */ public boolean gluUnProject(double winX, double winY, double winZ, double[] model, int model_offset, double[] proj, int proj_offset, int[] view, int view_offset, double[] objPos, int objPos_offset) { return project.gluUnProject(winX, winY, winZ, model, model_offset, proj, proj_offset, view, view_offset, objPos, objPos_offset); } /** Interface to C language function: <br> <code> GLint gluUnProject(GLdouble winX, GLdouble winY, GLdouble winZ, const GLdouble * model, const GLdouble * proj, const GLint * view, GLdouble * objX, GLdouble * objY, GLdouble * objZ); </code> * <P> Accepts the outgoing object coordinates (a 3-vector) as a single buffer. */ public boolean gluUnProject(double winX, double winY, double winZ, DoubleBuffer model, DoubleBuffer proj, IntBuffer view, DoubleBuffer objPos) { return project.gluUnProject(winX, winY, winZ, model, proj, view, objPos); } /** Interface to C language function: <br> <code> GLint gluUnProject4(GLdouble winX, GLdouble winY, GLdouble winZ, GLdouble clipW, const GLdouble * model, const GLdouble * proj, const GLint * view, GLdouble nearVal, GLdouble farVal, GLdouble * objX, GLdouble * objY, GLdouble * objZ, GLdouble * objW); </code> * <P> Accepts the outgoing object coordinates (a 4-vector) as a single array. */ public boolean gluUnProject4(double winX, double winY, double winZ, double clipW, double[] model, int model_offset, double[] proj, int proj_offset, int[] view, int view_offset, double nearVal, double farVal, double[] objPos, int objPos_offset) { return project.gluUnProject4(winX, winY, winZ, clipW, model, model_offset, proj, proj_offset, view, view_offset, nearVal, farVal, objPos, objPos_offset); } /** Interface to C language function: <br> <code> GLint gluUnProject4(GLdouble winX, GLdouble winY, GLdouble winZ, GLdouble clipW, const GLdouble * model, const GLdouble * proj, const GLint * view, GLdouble nearVal, GLdouble farVal, GLdouble * objX, GLdouble * objY, GLdouble * objZ, GLdouble * objW); </code> * <P> Accepts the outgoing object coordinates (a 4-vector) as a single buffer. */ public boolean gluUnProject4(double winX, double winY, double winZ, double clipW, DoubleBuffer model, DoubleBuffer proj, IntBuffer view, double nearVal, double farVal, DoubleBuffer objPos) { return project.gluUnProject4(winX, winY, winZ, clipW, model, proj, view, nearVal, farVal, objPos); } public void gluPickMatrix(double x, double y, double delX, double delY, int[] viewport, int viewport_offset) { project.gluPickMatrix(getCurrentGL(), x, y, delX, delY, viewport, viewport_offset); } public void gluPickMatrix(double x, double y, double delX, double delY, IntBuffer viewport) { project.gluPickMatrix(getCurrentGL(), x, y, delX, delY, viewport); } //---------------------------------------------------------------------- // Mipmap and image scaling functionality // Boolean public static final int GLU_FALSE = 0; public static final int GLU_TRUE = 1; // String Name public static final int GLU_VERSION = 100800; public static final int GLU_EXTENSIONS = 100801; // Extensions public static final String versionString = "1.3"; public static final String extensionString = "GLU_EXT_nurbs_tessellator " + "GLU_EXT_object_space_tess "; // ErrorCode public static final int GLU_INVALID_ENUM = 100900; public static final int GLU_INVALID_VALUE = 100901; public static final int GLU_OUT_OF_MEMORY = 100902; public static final int GLU_INVALID_OPERATION = 100904; // NurbsDisplay // GLU_FILL //public static final int GLU_OUTLINE_POLYGON = 100240; //public static final int GLU_OUTLINE_PATCH = 100241; // NurbsCallback //public static final int GLU_NURBS_ERROR = 100103; public static final int GLU_ERROR = 100103; //public static final int GLU_NURBS_BEGIN = 100164; //public static final int GLU_NURBS_BEGIN_EXT = 100164; //public static final int GLU_NURBS_VERTEX = 100165; //public static final int GLU_NURBS_VERTEX_EXT = 100165; //public static final int GLU_NURBS_NORMAL = 100166; //public static final int GLU_NURBS_NORMAL_EXT = 100166; //public static final int GLU_NURBS_COLOR = 100167; //public static final int GLU_NURBS_COLOR_EXT = 100167; //public static final int GLU_NURBS_TEXTURE_COORD = 100168; //public static final int GLU_NURBS_TEX_COORD_EXT = 100168; //public static final int GLU_NURBS_END = 100169; //public static final int GLU_NURBS_END_EXT = 100169; //public static final int GLU_NURBS_BEGIN_DATA = 100170; //public static final int GLU_NURBS_BEGIN_DATA_EXT = 100170; //public static final int GLU_NURBS_VERTEX_DATA = 100171; //public static final int GLU_NURBS_VERTEX_DATA_EXT = 100171; //public static final int GLU_NURBS_NORMAL_DATA = 100172; //public static final int GLU_NURBS_NORMAL_DATA_EXT = 100172; //public static final int GLU_NURBS_COLOR_DATA = 100173; //public static final int GLU_NURBS_COLOR_DATA_EXT = 100173; //public static final int GLU_NURBS_TEXTURE_COORD_DATA = 100174; //public static final int GLU_NURBS_TEX_COORD_DATA_EXT = 100174; //public static final int GLU_NURBS_END_DATA = 100175; //public static final int GLU_NURBS_END_DATA_EXT = 100175; // NurbsError //public static final int GLU_NURBS_ERROR1 = 100251; //public static final int GLU_NURBS_ERROR2 = 100252; //public static final int GLU_NURBS_ERROR3 = 100253; //public static final int GLU_NURBS_ERROR4 = 100254; //public static final int GLU_NURBS_ERROR5 = 100255; //public static final int GLU_NURBS_ERROR6 = 100256; //public static final int GLU_NURBS_ERROR7 = 100257; //public static final int GLU_NURBS_ERROR8 = 100258; //public static final int GLU_NURBS_ERROR9 = 100259; //public static final int GLU_NURBS_ERROR10 = 100260; //public static final int GLU_NURBS_ERROR11 = 100261; //public static final int GLU_NURBS_ERROR12 = 100262; //public static final int GLU_NURBS_ERROR13 = 100263; //public static final int GLU_NURBS_ERROR14 = 100264; //public static final int GLU_NURBS_ERROR15 = 100265; //public static final int GLU_NURBS_ERROR16 = 100266; //public static final int GLU_NURBS_ERROR17 = 100267; //public static final int GLU_NURBS_ERROR18 = 100268; //public static final int GLU_NURBS_ERROR19 = 100269; //public static final int GLU_NURBS_ERROR20 = 100270; //public static final int GLU_NURBS_ERROR21 = 100271; //public static final int GLU_NURBS_ERROR22 = 100272; //public static final int GLU_NURBS_ERROR23 = 100273; //public static final int GLU_NURBS_ERROR24 = 100274; //public static final int GLU_NURBS_ERROR25 = 100275; //public static final int GLU_NURBS_ERROR26 = 100276; //public static final int GLU_NURBS_ERROR27 = 100277; //public static final int GLU_NURBS_ERROR28 = 100278; //public static final int GLU_NURBS_ERROR29 = 100279; //public static final int GLU_NURBS_ERROR30 = 100280; //public static final int GLU_NURBS_ERROR31 = 100281; //public static final int GLU_NURBS_ERROR32 = 100282; //public static final int GLU_NURBS_ERROR33 = 100283; //public static final int GLU_NURBS_ERROR34 = 100284; //public static final int GLU_NURBS_ERROR35 = 100285; //public static final int GLU_NURBS_ERROR36 = 100286; //public static final int GLU_NURBS_ERROR37 = 100287; // NurbsProperty //public static final int GLU_AUTO_LOAD_MATRIX = 100200; //public static final int GLU_CULLING = 100201; //public static final int GLU_SAMPLING_TOLERANCE = 100203; //public static final int GLU_DISPLAY_MODE = 100204; //public static final int GLU_PARAMETRIC_TOLERANCE = 100202; //public static final int GLU_SAMPLING_METHOD = 100205; //public static final int GLU_U_STEP = 100206; //public static final int GLU_V_STEP = 100207; //public static final int GLU_NURBS_MODE = 100160; //public static final int GLU_NURBS_MODE_EXT = 100160; //public static final int GLU_NURBS_TESSELLATOR = 100161; //public static final int GLU_NURBS_TESSELLATOR_EXT = 100161; //public static final int GLU_NURBS_RENDERER = 100162; //public static final int GLU_NURBS_RENDERER_EXT = 100162; // NurbsSampling //public static final int GLU_OBJECT_PARAMETRIC_ERROR = 100208; //public static final int GLU_OBJECT_PARAMETRIC_ERROR_EXT = 100208; //public static final int GLU_OBJECT_PATH_LENGTH = 100209; //public static final int GLU_OBJECT_PATH_LENGTH_EXT = 100209; //public static final int GLU_PATH_LENGTH = 100215; //public static final int GLU_PARAMETRIC_ERROR = 100216; //public static final int GLU_DOMAIN_DISTANCE = 100217; // NurbsTrim //public static final int GLU_MAP1_TRIM_2 = 100210; //public static final int GLU_MAP1_TRIM_3 = 100211; // QuadricDrawStyle public static final int GLU_POINT = 100010; public static final int GLU_LINE = 100011; public static final int GLU_FILL = 100012; public static final int GLU_SILHOUETTE = 100013; // QuadricCallback // GLU_ERROR // QuadricNormal public static final int GLU_SMOOTH = 100000; public static final int GLU_FLAT = 100001; public static final int GLU_NONE = 100002; // QuadricOrientation public static final int GLU_OUTSIDE = 100020; public static final int GLU_INSIDE = 100021; // TessCallback public static final int GLU_TESS_BEGIN = 100100; public static final int GLU_BEGIN = 100100; public static final int GLU_TESS_VERTEX = 100101; public static final int GLU_VERTEX = 100101; public static final int GLU_TESS_END = 100102; public static final int GLU_END = 100102; public static final int GLU_TESS_ERROR = 100103; public static final int GLU_TESS_EDGE_FLAG = 100104; public static final int GLU_EDGE_FLAG = 100104; public static final int GLU_TESS_COMBINE = 100105; public static final int GLU_TESS_BEGIN_DATA = 100106; public static final int GLU_TESS_VERTEX_DATA = 100107; public static final int GLU_TESS_END_DATA = 100108; public static final int GLU_TESS_ERROR_DATA = 100109; public static final int GLU_TESS_EDGE_FLAG_DATA = 100110; public static final int GLU_TESS_COMBINE_DATA = 100111; // TessContour public static final int GLU_CW = 100120; public static final int GLU_CCW = 100121; public static final int GLU_INTERIOR = 100122; public static final int GLU_EXTERIOR = 100123; public static final int GLU_UNKNOWN = 100124; // TessProperty public static final int GLU_TESS_WINDING_RULE = 100140; public static final int GLU_TESS_BOUNDARY_ONLY = 100141; public static final int GLU_TESS_TOLERANCE = 100142; // TessError public static final int GLU_TESS_ERROR1 = 100151; public static final int GLU_TESS_ERROR2 = 100152; public static final int GLU_TESS_ERROR3 = 100153; public static final int GLU_TESS_ERROR4 = 100154; public static final int GLU_TESS_ERROR5 = 100155; public static final int GLU_TESS_ERROR6 = 100156; public static final int GLU_TESS_ERROR7 = 100157; public static final int GLU_TESS_ERROR8 = 100158; public static final int GLU_TESS_MISSING_BEGIN_POLYGON = 100151; public static final int GLU_TESS_MISSING_BEGIN_CONTOUR = 100152; public static final int GLU_TESS_MISSING_END_POLYGON = 100153; public static final int GLU_TESS_MISSING_END_CONTOUR = 100154; public static final int GLU_TESS_COORD_TOO_LARGE = 100155; public static final int GLU_TESS_NEED_COMBINE_CALLBACK = 100156; // TessWinding public static final int GLU_TESS_WINDING_ODD = 100130; public static final int GLU_TESS_WINDING_NONZERO = 100131; public static final int GLU_TESS_WINDING_POSITIVE = 100132; public static final int GLU_TESS_WINDING_NEGATIVE = 100133; public static final int GLU_TESS_WINDING_ABS_GEQ_TWO = 100134; public static final double GLU_TESS_MAX_COORD = 1.0e150; private ByteBuffer copyToByteBuffer(Buffer buf) { if (buf instanceof ByteBuffer) { if (buf.position() == 0) { return (ByteBuffer) buf; } return BufferUtil.copyByteBuffer((ByteBuffer) buf); } else if (buf instanceof ShortBuffer) { return BufferUtil.copyShortBufferAsByteBuffer((ShortBuffer) buf); } else if (buf instanceof IntBuffer) { return BufferUtil.copyIntBufferAsByteBuffer((IntBuffer) buf); } else if (buf instanceof FloatBuffer) { return BufferUtil.copyFloatBufferAsByteBuffer((FloatBuffer) buf); } else { throw new IllegalArgumentException("Unsupported buffer type (must be one of byte, short, int, or float)"); } } private int gluScaleImageJava( int format, int widthin, int heightin, int typein, Buffer datain, int widthout, int heightout, int typeout, Buffer dataout ) { ByteBuffer in = null; ByteBuffer out = null; in = copyToByteBuffer(datain); if( dataout instanceof ByteBuffer ) { out = (ByteBuffer)dataout; } else if( dataout instanceof ShortBuffer ) { out = BufferUtil.newByteBuffer(dataout.remaining() * BufferUtil.SIZEOF_SHORT); } else if ( dataout instanceof IntBuffer ) { out = BufferUtil.newByteBuffer(dataout.remaining() * BufferUtil.SIZEOF_INT); } else if ( dataout instanceof FloatBuffer ) { out = BufferUtil.newByteBuffer(dataout.remaining() * BufferUtil.SIZEOF_FLOAT); } else { throw new IllegalArgumentException("Unsupported destination buffer type (must be byte, short, int, or float)"); } int errno = Mipmap.gluScaleImage( getCurrentGL(), format, widthin, heightin, typein, in, widthout, heightout, typeout, out ); if( errno == 0 ) { out.rewind(); if (out != dataout) { if( dataout instanceof ShortBuffer ) { ((ShortBuffer) dataout).put(out.asShortBuffer()); } else if( dataout instanceof IntBuffer ) { ((IntBuffer) dataout).put(out.asIntBuffer()); } else if( dataout instanceof FloatBuffer ) { ((FloatBuffer) dataout).put(out.asFloatBuffer()); } else { throw new RuntimeException("Should not reach here"); } } } return( errno ); } private int gluBuild1DMipmapLevelsJava( int target, int internalFormat, int width, int format, int type, int userLevel, int baseLevel, int maxLevel, Buffer data ) { ByteBuffer buffer = copyToByteBuffer(data); return( Mipmap.gluBuild1DMipmapLevels( getCurrentGL(), target, internalFormat, width, format, type, userLevel, baseLevel, maxLevel, buffer ) ); } private int gluBuild1DMipmapsJava( int target, int internalFormat, int width, int format, int type, Buffer data ) { ByteBuffer buffer = copyToByteBuffer(data); return( Mipmap.gluBuild1DMipmaps( getCurrentGL(), target, internalFormat, width, format, type, buffer ) ); } private int gluBuild2DMipmapLevelsJava( int target, int internalFormat, int width, int height, int format, int type, int userLevel, int baseLevel, int maxLevel, Buffer data ) { // While the code below handles other data types, it doesn't handle non-ByteBuffers data = copyToByteBuffer(data); return( Mipmap.gluBuild2DMipmapLevels( getCurrentGL(), target, internalFormat, width, height, format, type, userLevel, baseLevel, maxLevel, data ) ); } private int gluBuild2DMipmapsJava( int target, int internalFormat, int width, int height, int format, int type, Buffer data ) { // While the code below handles other data types, it doesn't handle non-ByteBuffers data = copyToByteBuffer(data); return( Mipmap.gluBuild2DMipmaps( getCurrentGL(), target, internalFormat, width, height, format, type, data) ); } private int gluBuild3DMipmapLevelsJava( int target, int internalFormat, int width, int height, int depth, int format, int type, int userLevel, int baseLevel, int maxLevel, Buffer data) { ByteBuffer buffer = copyToByteBuffer(data); return( Mipmap.gluBuild3DMipmapLevels( getCurrentGL(), target, internalFormat, width, height, depth, format, type, userLevel, baseLevel, maxLevel, buffer) ); } private int gluBuild3DMipmapsJava( int target, int internalFormat, int width, int height, int depth, int format, int type, Buffer data ) { ByteBuffer buffer = copyToByteBuffer(data); return( Mipmap.gluBuild3DMipmaps( getCurrentGL(), target, internalFormat, width, height, depth, format, type, buffer ) ); } //---------------------------------------------------------------------- // Wrappers for mipmap and image scaling entry points which dispatch either // to the Java or C versions. // /** Interface to C language function: <br> <code> GLint gluBuild1DMipmapLevels(GLenum target, GLint internalFormat, GLsizei width, GLenum format, GLenum type, GLint level, GLint base, GLint max, const void * data); </code> */ public int gluBuild1DMipmapLevels(int target, int internalFormat, int width, int format, int type, int level, int base, int max, java.nio.Buffer data) { if (useJavaMipmapCode) { return gluBuild1DMipmapLevelsJava(target, internalFormat, width, format, type, level, base, max, data); } else { return gluBuild1DMipmapLevelsC(target, internalFormat, width, format, type, level, base, max, data); } } /** Interface to C language function: <br> <code> GLint gluBuild1DMipmaps(GLenum target, GLint internalFormat, GLsizei width, GLenum format, GLenum type, const void * data); </code> */ public int gluBuild1DMipmaps(int target, int internalFormat, int width, int format, int type, java.nio.Buffer data) { if (useJavaMipmapCode) { return gluBuild1DMipmapsJava(target, internalFormat, width, format, type, data); } else { return gluBuild1DMipmapsC(target, internalFormat, width, format, type, data); } } /** Interface to C language function: <br> <code> GLint gluBuild2DMipmapLevels(GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint level, GLint base, GLint max, const void * data); </code> */ public int gluBuild2DMipmapLevels(int target, int internalFormat, int width, int height, int format, int type, int level, int base, int max, java.nio.Buffer data) { if (useJavaMipmapCode) { return gluBuild2DMipmapLevelsJava(target, internalFormat, width, height, format, type, level, base, max, data); } else { return gluBuild2DMipmapLevelsC(target, internalFormat, width, height, format, type, level, base, max, data); } } /** Interface to C language function: <br> <code> GLint gluBuild2DMipmaps(GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const void * data); </code> */ public int gluBuild2DMipmaps(int target, int internalFormat, int width, int height, int format, int type, java.nio.Buffer data) { if (useJavaMipmapCode) { return gluBuild2DMipmapsJava(target, internalFormat, width, height, format, type, data); } else { return gluBuild2DMipmapsC(target, internalFormat, width, height, format, type, data); } } /** Interface to C language function: <br> <code> GLint gluBuild3DMipmapLevels(GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLint level, GLint base, GLint max, const void * data); </code> */ public int gluBuild3DMipmapLevels(int target, int internalFormat, int width, int height, int depth, int format, int type, int level, int base, int max, java.nio.Buffer data) { if (useJavaMipmapCode) { return gluBuild3DMipmapLevelsJava(target, internalFormat, width, height, depth, format, type, level, base, max, data); } else { return gluBuild3DMipmapLevelsC(target, internalFormat, width, height, depth, format, type, level, base, max, data); } } /** Interface to C language function: <br> <code> GLint gluBuild3DMipmaps(GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void * data); </code> */ public int gluBuild3DMipmaps(int target, int internalFormat, int width, int height, int depth, int format, int type, java.nio.Buffer data) { if (useJavaMipmapCode) { return gluBuild3DMipmapsJava(target, internalFormat, width, height, depth, format, type, data); } else { return gluBuild3DMipmapsC(target, internalFormat, width, height, depth, format, type, data); } } /** Interface to C language function: <br> <code> GLint gluScaleImage(GLenum format, GLsizei wIn, GLsizei hIn, GLenum typeIn, const void * dataIn, GLsizei wOut, GLsizei hOut, GLenum typeOut, GLvoid * dataOut); </code> */ public int gluScaleImage(int format, int wIn, int hIn, int typeIn, java.nio.Buffer dataIn, int wOut, int hOut, int typeOut, java.nio.Buffer dataOut) { if (useJavaMipmapCode) { return gluScaleImageJava(format, wIn, hIn, typeIn, dataIn, wOut, hOut, typeOut, dataOut); } else { return gluScaleImageC(format, wIn, hIn, typeIn, dataIn, wOut, hOut, typeOut, dataOut); } } //---------------------------------------------------------------------- // NURBS functionality // /** * Sets a property on a NURBS object. (NOTE: this function is not currently implemented.) * * @param r * GLUnurbs object holding NURBS to which a property should be * set * @param property * property id * @param value * property value */ public void gluNurbsProperty(GLUnurbs r, int property, float value) { // TODO glunurbsproperty float nurbsValue; switch (property) { default: // System.out.println("TODO gluwnurbs.glunurbsproperty"); break; } } /** * Creates a new GLUnurbs object. * * @return GLUnurbs object */ public GLUnurbs gluNewNurbsRenderer() { // DONE return new GLUnurbsImpl(); } /** * Begins a curve definition. * * @param r * GLUnurbs object to specify curve to */ public void gluBeginCurve(GLUnurbs r) { // DONE ((GLUnurbsImpl) r).bgncurve(); } /** * Begins a surface definition. * * @param r * GLUnurbs object to specify surface to */ public void gluBeginSurface(GLUnurbs r) { // DONE ((GLUnurbsImpl) r).bgnsurface(); } /** * Ends a surface. * * @param r * GLUnurbs object holding surface */ public void gluEndSurface(GLUnurbs r) { // DONE ((GLUnurbsImpl) r).endsurface(); } /** * Makes a NURBS surface. * * @param r * GLUnurbs object holding the surface * @param sknot_count * number of knots in s direction * @param sknot * knots in s direction * @param tknot_count * number of knots in t direction * @param tknot * knots in t direction * @param s_stride * number of control points coordinates in s direction * @param t_stride * number of control points coordinates in t direction * @param ctlarray * control points * @param sorder * order of surface in s direction * @param torder * order of surface in t direction * @param type * surface type */ public void gluNurbsSurface(GLUnurbs r, int sknot_count, float[] sknot, int tknot_count, float[] tknot, int s_stride, int t_stride, float[] ctlarray, int sorder, int torder, int type) { // DONE ((GLUnurbsImpl) r).nurbssurface(sknot_count, sknot, tknot_count, tknot, s_stride, t_stride, ctlarray, sorder, torder, type); } /** * Make a NURBS curve. * * @param r * GLUnurbs object holding the curve * @param nknots * number of knots * @param knot * knot vector * @param stride * number of control point coordinates * @param ctlarray * control points * @param order * order of the curve * @param type * curve type */ public void gluNurbsCurve(GLUnurbs r, int nknots, float[] knot, int stride, float[] ctlarray, int order, int type) { int realType; switch (type) { // TODO GLU_MAP1_TRIM_2 etc. default: realType = type; break; } ((GLUnurbsImpl) r).nurbscurve(nknots, knot, stride, ctlarray, order, realType); } /** * Ends a curve definition. * * @param r * GLUnurbs object holding the curve */ public void gluEndCurve(GLUnurbs r) { //DONE ((GLUnurbsImpl) r).endcurve(); } //---------------------------------------------------------------------- // GLUProcAddressTable handling // private static GLUProcAddressTable gluProcAddressTable; private static volatile boolean gluLibraryLoaded; private static GLUProcAddressTable getGLUProcAddressTable() { if (!gluLibraryLoaded) { loadGLULibrary(); } if (gluProcAddressTable == null) { GLUProcAddressTable tmp = new GLUProcAddressTable(); ProcAddressHelper.resetProcAddressTable(tmp, GLDrawableFactoryImpl.getFactoryImpl()); gluProcAddressTable = tmp; } return gluProcAddressTable; } private static synchronized void loadGLULibrary() { if (!gluLibraryLoaded) { GLDrawableFactoryImpl.getFactoryImpl().loadGLULibrary(); gluLibraryLoaded = true; } }