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Diffstat (limited to 'progs/samples/copy.c')
| -rw-r--r-- | progs/samples/copy.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/progs/samples/copy.c b/progs/samples/copy.c deleted file mode 100644 index 353a3a2e1a..0000000000 --- a/progs/samples/copy.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software and - * its documentation for any purpose is hereby granted without fee, provided - * that (i) the above copyright notices and this permission notice appear in - * all copies of the software and related documentation, and (ii) the name of - * Silicon Graphics may not be used in any advertising or - * publicity relating to the software without the specific, prior written - * permission of Silicon Graphics. - * - * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF - * ANY KIND, - * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY - * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. - * - * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR - * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, - * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, - * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF - * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE - * OF THIS SOFTWARE. - */ - -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <GL/glew.h> -#include <GL/glut.h> - - -#include "loadppm.c" - -GLenum doubleBuffer; -GLint windW, windH; - -char *fileName = 0; -PPMImage *image; -float zoom; -GLint x, y; - -static void Init(void) -{ - - glClearColor(0.0, 0.0, 0.0, 0.0); - - x = 0; - y = windH; - zoom = 1.8; -} - -static void Reshape(int width, int height) -{ - - windW = (GLint)width; - windH = (GLint)height; - - glViewport(0, 0, windW, windH); - - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - gluOrtho2D(0, windW, 0, windH); - glMatrixMode(GL_MODELVIEW); -} - -static void Key(unsigned char key, int x, int y) -{ - - switch (key) { - case 27: - exit(1); - case 'Z': - zoom += 0.2; - break; - case 'z': - zoom -= 0.2; - if (zoom < 0.2) { - zoom = 0.2; - } - break; - default: - return; - } - - glutPostRedisplay(); -} - -static void Mouse(int button, int state, int mouseX, int mouseY) -{ - if (state != GLUT_DOWN) - return; - x = (GLint)mouseX; - y = (GLint)mouseY; - - glutPostRedisplay(); -} - -static void Draw(void) -{ - GLint src[3], dst[3]; - - glClear(GL_COLOR_BUFFER_BIT); - - src[0] = (int) ((windW / 2.0) - (image->sizeX / 2.0)); - src[1] = (int) ((windH / 2.0) - (image->sizeY / 2.0)); - src[2] = 0; - glWindowPos3ivARB(src); - - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - glPixelZoom(1.0, 1.0); - glDrawPixels(image->sizeX, image->sizeY, GL_RGB, GL_UNSIGNED_BYTE, - image->data); - - dst[0] = x; - dst[1] = windH - y; - dst[2] = 0; - glWindowPos3ivARB(dst); - - glPixelZoom(zoom, zoom); - glCopyPixels(src[0], src[1], - image->sizeX, image->sizeY, GL_COLOR); - - glFlush(); - - if (doubleBuffer) { - glutSwapBuffers(); - } -} - -static GLenum Args(int argc, char **argv) -{ - GLint i; - - doubleBuffer = GL_FALSE; - - for (i = 1; i < argc; i++) { - if (strcmp(argv[i], "-sb") == 0) { - doubleBuffer = GL_FALSE; - } else if (strcmp(argv[i], "-db") == 0) { - doubleBuffer = GL_TRUE; - } else if (strcmp(argv[i], "-f") == 0) { - if (i+1 >= argc || argv[i+1][0] == '-') { - printf("-f (No file name).\n"); - return GL_FALSE; - } else { - fileName = argv[++i]; - } - } else { - printf("%s (Bad option).\n", argv[i]); - return GL_FALSE; - } - } - return GL_TRUE; -} - -int main(int argc, char **argv) -{ - GLenum type; - - glutInit(&argc, argv); - - if (Args(argc, argv) == GL_FALSE) { - exit(1); - } - - if (fileName == 0) { - printf("No image file.\n"); - exit(1); - } - - image = LoadPPM(fileName); - - windW = 2*300; - windH = 2*300; - glutInitWindowPosition(0, 0); glutInitWindowSize( windW, windH); - - type = GLUT_RGB; - type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE; - glutInitDisplayMode(type); - - if (glutCreateWindow("Copy Test") == GL_FALSE) { - exit(1); - } - - glewInit(); - Init(); - - glutReshapeFunc(Reshape); - glutKeyboardFunc(Key); - glutMouseFunc(Mouse); - glutDisplayFunc(Draw); - glutMainLoop(); - return 0; -} |