commit 9f51e181b1b610c10ee00d52bdcfcf33d0f1f3ed
author Brian <brian.paul@tungstengraphics.com> Mon Aug 13 18:18:45 2007 -0600
committer Brian <brian.paul@tungstengraphics.com> Mon Aug 13 18:20:04 2007 -0600
tree c56e2c5ecda0671728c9078bff97271a028f008e
parent 2f605fd457ccd8763ce5b0acc8d2906a59ea22bc

added pixelzoom cmd line opt

progs/trivial/readpixels.c

diff --git a/progs/trivial/readpixels.c b/progs/trivial/readpixels.c
index 65fb81e..783468a 100644
--- a/progs/trivial/readpixels.c
+++ b/progs/trivial/readpixels.c
@@ -10,6 +10,7 @@
 #include <GL/glut.h>
 
 static int Width = 250, Height = 250;
+static GLfloat Zoom = 1.0;
 
 static void Init(void)
 {
@@ -70,6 +71,7 @@
           image[0], image[1], image[2], image[3]);
    /* draw to right half of window */
    glWindowPos2iARB(Width, 0);
+   glPixelZoom(Zoom, Zoom);
    glDrawPixels(Width, Height, GL_RGBA, GL_FLOAT, image);
    free(image);
 
@@ -86,6 +88,9 @@
       exit(1);
    }
 
+   if (argc > 1)
+      Zoom = atof(argv[1]);
+
    Init();
 
    glutReshapeFunc(Reshape);