diff options
Diffstat (limited to 'src/glu/sgi/libnurbs/nurbtess/primitiveStream.cc')
| -rw-r--r-- | src/glu/sgi/libnurbs/nurbtess/primitiveStream.cc | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/src/glu/sgi/libnurbs/nurbtess/primitiveStream.cc b/src/glu/sgi/libnurbs/nurbtess/primitiveStream.cc deleted file mode 100644 index dfdbd4e8448..00000000000 --- a/src/glu/sgi/libnurbs/nurbtess/primitiveStream.cc +++ /dev/null @@ -1,192 +0,0 @@ -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 1.1 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -*/ -/* -*/ - -#include "gluos.h" -#include <stdlib.h> -#include <stdio.h> -#include <assert.h> -#include <GL/gl.h> - -#include "primitiveStream.h" - -Int primStream::num_triangles() -{ - Int i; - Int ret=0; - for(i=0; i<index_lengths; i++) - { - ret += lengths[i]-2; - } - return ret; -} - - - -/*the begining of inserting a new primitive. - *reset counter to be 0. - */ -void primStream::begin() -{ - counter = 0; -} - -void primStream::insert(Real u, Real v) -{ - /*if the space cannot hold u and v, - *we have to expand the array - */ - if(index_vertices+1 >= size_vertices) { - Real* temp = (Real*) malloc (sizeof(Real) * (2*size_vertices + 2)); - assert(temp); - - /*copy*/ - for(Int i=0; i<index_vertices; i++) - temp[i] = vertices[i]; - - free(vertices); - vertices = temp; - size_vertices = 2*size_vertices + 2; - } - - vertices[index_vertices++] = u; - vertices[index_vertices++] = v; - counter++; -} - -/*the end of a primitive. - *increase index_lengths - */ -void primStream::end(Int type) -{ - Int i; - /*if there is no vertex in this primitive, - *nothing needs to be done - */ - if(counter == 0) return ; - - if(index_lengths >= size_lengths){ - Int* temp = (Int*) malloc(sizeof(Int) * (2*size_lengths + 2)); - assert(temp); - Int* tempTypes = (Int*) malloc(sizeof(Int) * (2*size_lengths + 2)); - assert(tempTypes); - - /*copy*/ - for(i=0; i<index_lengths; i++){ - temp[i] = lengths[i]; - tempTypes[i] = types[i]; - } - - free(lengths); - free(types); - lengths = temp; - types = tempTypes; - size_lengths = 2*size_lengths + 2; - } - lengths[index_lengths] = counter; - types[index_lengths] = type; - index_lengths++; -} - -void primStream::print() -{ - Int i,j,k; - printf("index_lengths=%i,size_lengths=%i\n", index_lengths, size_lengths); - printf("index_vertices=%i,size_vertices=%i\n", index_vertices, size_vertices); - k=0; - for(i=0; i<index_lengths; i++) - { - if(types[i] == PRIMITIVE_STREAM_FAN) - printf("primitive-FAN:\n"); - else - printf("primitive-STRIP:\n"); - for(j=0; j<lengths[i]; j++) - { - printf("(%f,%f) ", vertices[k], vertices[k+1]); - k += 2; - } - printf("\n"); - } -} - -primStream::primStream(Int sizeLengths, Int sizeVertices) -{ - lengths = (Int*)malloc (sizeof(Int) * sizeLengths); - assert(lengths); - types = (Int*)malloc (sizeof(Int) * sizeLengths); - assert(types); - - vertices = (Real*) malloc(sizeof(Real) * sizeVertices); - assert(vertices); - - index_lengths = 0; - index_vertices = 0; - size_lengths = sizeLengths; - size_vertices = sizeVertices; - - counter = 0; -} - -primStream::~primStream() -{ - free(lengths); - free(types); - free(vertices); -} - -void primStream::draw() -{ - Int i,j,k; - k=0; - for(i=0; i<index_lengths; i++) - { - switch(types[i]){ - case PRIMITIVE_STREAM_FAN: - glBegin(GL_TRIANGLE_FAN); - break; - case PRIMITIVE_STREAM_STRIP: - glBegin(GL_TRIANGLE_STRIP); - break; - } - - for(j=0; j<lengths[i]; j++){ - glVertex2fv(vertices+k); - k += 2; - } - glEnd(); - } -} - |