added library target to regen only lib makefiles

[wxWidgets.git] / samples / opengl / isosurf / isosurf.cpp

diff --git a/samples/opengl/isosurf/isosurf.cpp b/samples/opengl/isosurf/isosurf.cpp
index 3d3bda3dc983ef0de7de25fa73498d4c32bb8724..9e474230f13502ffceebbbdc36bcb3e94f5a523d 100644 (file)
--- a/samples/opengl/isosurf/isosurf.cpp
+++ b/samples/opengl/isosurf/isosurf.cpp
@@ -6,7 +6,7 @@
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
@@ -45,6 +45,12 @@
 #  include <GL/glu.h>
 #endif
 
+// disabled because this has apparently changed in OpenGL 1.2, so doesn't link
+// correctly if this is on...
+#ifdef GL_EXT_vertex_array
+#undef GL_EXT_vertex_array
+#endif
+
 #include "isosurf.h"
 
 // The following part is taken largely unchanged from the original C Version
@@ -85,8 +91,8 @@ static void read_surface( char *filename )
    numverts = 0;
    while (!feof(f) && numverts<MAXVERTS) {
       fscanf( f, "%f %f %f  %f %f %f",
-             &verts[numverts][0], &verts[numverts][1], &verts[numverts][2],
-             &norms[numverts][0], &norms[numverts][1], &norms[numverts][2] );
+          &verts[numverts][0], &verts[numverts][1], &verts[numverts][2],
+          &norms[numverts][0], &norms[numverts][1], &norms[numverts][2] );
       numverts++;
    }
    numverts--;
@@ -197,13 +203,6 @@ static void Init(void)
 #endif
 }
 
-
-static void Reshape(int width, int height)
-{
-  glViewport(0, 0, (GLint)width, (GLint)height);
-}
-
-
 static GLenum Args(int argc, char **argv)
 {
    GLint i;
@@ -264,12 +263,12 @@ bool MyApp::OnInit(void)
   int *gl_attrib = NULL;
 #else
   int gl_attrib[20] = { WX_GL_RGBA, WX_GL_MIN_RED, 1, WX_GL_MIN_GREEN, 1,
-                       WX_GL_MIN_BLUE, 1, WX_GL_DEPTH_SIZE, 1,
-                       WX_GL_DOUBLEBUFFER,
+            WX_GL_MIN_BLUE, 1, WX_GL_DEPTH_SIZE, 1,
+            WX_GL_DOUBLEBUFFER,
 #  ifdef __WXMAC__
-                       GL_NONE };
+            GL_NONE };
 #  else
-                       None };
+            None };
 #  endif
 #endif
 
@@ -282,7 +281,7 @@ bool MyApp::OnInit(void)
       doubleBuffer = GL_FALSE;
   }
  
-  frame->m_canvas = new TestGLCanvas(frame, -1, wxPoint(0, 0), wxSize(200, 200),
+  frame->m_canvas = new TestGLCanvas(frame, -1, wxDefaultPosition, wxDefaultSize,
                                      0, "TestGLCanvas", gl_attrib );
 
   // Show the frame
@@ -363,53 +362,58 @@ void TestGLCanvas::OnPaint( wxPaintEvent& event )
 
 void TestGLCanvas::OnSize(wxSizeEvent& event)
 {
+    // this is also necessary to update the context on some platforms
+    wxGLCanvas::OnSize(event);
+    
+    // set GL viewport (not called by wxGLCanvas::OnSize on all platforms...)
+    int w, h;
+    GetClientSize(&w, &h);
 #ifndef __WXMOTIF__
-    if (!GetContext()) return;
+    if (GetContext())
 #endif
-
-    SetCurrent();
-    int width, height;
-    GetClientSize(& width, & height);
-    Reshape(width, height);
+    {
+        SetCurrent();
+        glViewport(0, 0, (GLint) w, (GLint) h);
+    }
 }
 
 void TestGLCanvas::OnChar(wxKeyEvent& event)
 {
-    switch(event.KeyCode()) {
+    switch(event.GetKeyCode()) {
     case WXK_ESCAPE:
-       exit(0);
+    exit(0);
     case WXK_LEFT:
-       yrot -= 15.0;
-       break;
+    yrot -= 15.0;
+    break;
     case WXK_RIGHT:
-       yrot += 15.0;
-       break;
+    yrot += 15.0;
+    break;
     case WXK_UP:
-       xrot += 15.0;
-       break;
+    xrot += 15.0;
+    break;
     case WXK_DOWN:
-       xrot -= 15.0;
-       break;
+    xrot -= 15.0;
+    break;
     case 's': case 'S':
-       smooth = !smooth;
-       if (smooth) {
-           glShadeModel(GL_SMOOTH);
-       } else {
-           glShadeModel(GL_FLAT);
-       }
-       break;
+    smooth = !smooth;
+    if (smooth) {
+        glShadeModel(GL_SMOOTH);
+    } else {
+        glShadeModel(GL_FLAT);
+    }
+    break;
     case 'l': case 'L':
-       lighting = !lighting;
-       if (lighting) {
-           glEnable(GL_LIGHTING);
-       } else {
-           glDisable(GL_LIGHTING);
-       }
-       break;
+    lighting = !lighting;
+    if (lighting) {
+        glEnable(GL_LIGHTING);
+    } else {
+        glDisable(GL_LIGHTING);
+    }
+    break;
      default:
       {
         event.Skip();
-       return;
+    return;
       }
     }
 
@@ -423,17 +427,17 @@ void TestGLCanvas::OnMouseEvent(wxMouseEvent& event)
 
     //printf("%f %f %d\n", event.GetX(), event.GetY(), (int)event.LeftIsDown());
     if(event.LeftIsDown()) {
-       if(!dragging) {
-           dragging = 1;
-       } else {
-           yrot += (event.GetX() - last_x)*1.0;
-           xrot += (event.GetY() - last_y)*1.0;
-           Refresh(FALSE);
-       }
-       last_x = event.GetX();
-       last_y = event.GetY();
+    if(!dragging) {
+        dragging = 1;
+    } else {
+        yrot += (event.GetX() - last_x)*1.0;
+        xrot += (event.GetY() - last_y)*1.0;
+        Refresh(FALSE);
+    }
+    last_x = event.GetX();
+    last_y = event.GetY();
     } else
-       dragging = 0;
+    dragging = 0;
 }
 
 void TestGLCanvas::OnEraseBackground(wxEraseEvent& event)