3 files changed, 37 insertions, 13 deletions
diff --git a/test/simple/iupmain.c b/test/simple/iupmain.c
index f417925..df081e3 100644
--- a/test/simple/iupmain.c
+++ b/test/simple/iupmain.c
@@ -1,4 +1,6 @@
 #include <stdlib.h>
+#include <stdio.h>
+
 #include <iup.h>
 #include <iupgl.h>
 #include <cd.h>
@@ -28,6 +30,28 @@ glu32
 cdgl
 ftgl
 */
+void SimpleUpdateSize(cdCanvas* cnv)
+{
+  Ihandle* canvas = IupGetHandle("SimpleCanvas");
+  int w = IupGetInt(canvas, "RASTERSIZE");
+  int h = IupGetInt2(canvas, "RASTERSIZE");
+  IupGLMakeCurrent(canvas);
+
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  gluOrtho2D(0, w, 0, h);
+
+  glMatrixMode(GL_MODELVIEW);
+  glLoadIdentity();
+
+  if (cnv)
+  {
+    char StrData[100];
+    sprintf(StrData, "%dx%d", w, h);  /* no need to update resolution */
+    cdCanvasSetAttribute(cnv, "SIZE", StrData);
+  }
+}
+
 
 int main(int argc, char** argv)
 {
@@ -112,19 +136,8 @@ int main(int argc, char** argv)
   SimpleDrawWindow();
 
 #ifdef USE_OPENGL
-  {
-    Ihandle* canvas = IupGetHandle("SimpleCanvas");
-    int w = IupGetInt(canvas, "RASTERSIZE");
-    int h = IupGetInt2(canvas, "RASTERSIZE");
-    IupGLMakeCurrent(canvas);
-
-    glMatrixMode(GL_PROJECTION);
-    glLoadIdentity();
-    gluOrtho2D(0, w, 0, h);
-
-    glMatrixMode(GL_MODELVIEW);
-    glLoadIdentity();
-  }
+  SimpleUpdateSize(NULL);
+  IupUpdate(IupGetHandle("SimpleCanvas"));
 #endif
 
   IupMainLoop();
diff --git a/test/simple/simple.c b/test/simple/simple.c
index a15a242..76676fd 100644
--- a/test/simple/simple.c
+++ b/test/simple/simple.c
@@ -51,6 +51,7 @@ int contextplus = 0;
 int simple_draw = 0;
 int use_transform = 0;
 int simulate = 0;
+int use_opengl = 0;
 
 enum {DRAW_ALL, DRAW_TEXTFONTS, DRAW_TEXTALIGN, DRAW_TEST};
 
@@ -490,7 +491,9 @@ int SimpleDrawGL(void)
   dbCanvas = cdCreateCanvas(CD_GL, StrData);
 
   curCanvas = dbCanvas;
+  use_opengl = 1;
   SimpleDrawRepaint();
+  use_opengl = 0;
 
   return 0;
 }
@@ -542,6 +545,13 @@ int SimpleDrawAll(void)
 {
   cdCanvas* canvas = cdActiveCanvas();
   int w, h;
+
+#ifdef USE_OPENGL
+  if (use_opengl)
+    SimpleUpdateSize(canvas);
+#endif
+
+
   cdCanvasGetSize(canvas, &w, &h, NULL, NULL);
   
   simple_draw = DRAW_ALL;
diff --git a/test/simple/simple.h b/test/simple/simple.h
index b32fc59..f400d2f 100644
--- a/test/simple/simple.h
+++ b/test/simple/simple.h
@@ -6,6 +6,7 @@
 
 void SimpleCreateCanvas(char* data);
 void SimpleKillCanvas(void);
+void SimpleUpdateSize(cdCanvas* cnv);
 
 int SimplePlayClipboard(void);
 int SimplePlayCGMBin(void);