Added another example, this one showing use of glLineStipple and glPo…

…lygonOffset.

example/Makefile

@@ -32,6 +32,7 @@ endif
 
 EXAMPLE_APPS  := \
 	$(BIN)/basic \
+	$(BIN)/styled \
 	$(BIN)/example
 
 

example/styled.cpp

@@ -0,0 +1,59 @@
+#include "vgl.h"
+
+class ExampleRenderer : public vgl::Renderer
+{
+public:
+  ExampleRenderer() {}
+
+  virtual void setup() {
+    glEnable(GL_DEPTH_TEST);
+    glShadeModel(GL_SMOOTH);
+
+    /*
+    glEnable(GL_LINE_STIPPLE);
+    glLineStipple(1, 0xFF00);
+    */
+
+  }
+
+  virtual void render() {
+    glPushMatrix();
+    glTranslatef(-5, 0, -1);
+    glScalef(10, 10, 10);
+    quad(GL_FILL, vgl::Vec4f(0.6, 0, 0, 1));
+    glPopMatrix();
+
+    quad(GL_FILL, vgl::Vec4f(0.4, 0.4, 0.4, 0.5));
+    quad(GL_LINE, vgl::Vec4f(0.8, 0.8, 1, 1));
+  }
+
+private:
+  void quad(GLenum mode, vgl::Vec4f color) {
+    glPolygonMode(GL_FRONT_AND_BACK, mode);
+    if (mode == GL_LINE) {
+      glEnable(GL_POLYGON_OFFSET_LINE);
+      glPolygonOffset(1, -5);
+    } else {
+      glDisable(GL_POLYGON_OFFSET_LINE);
+    }
+    glColor4fv(color.data);
+    glBegin(GL_POLYGON);
+    glVertex3f(-0.5, -0.5, 0);
+    glVertex3f( 0.5, -0.5, 0);
+    glVertex3f( 0.5,  0.5, 0);
+    glVertex3f(-0.5,  0.5, 0);
+    glEnd();
+  }
+};
+
+
+int main(int argc, char** argv)
+{
+  vgl::Camera* camera = new vgl::Camera(
+      vgl::Vec3f(0, 0, 5), vgl::Vec3f(0, 0, 0), vgl::Vec3f(0, 1, 0),
+      -1, 1, -1, 1, 30, 800, 600);
+  ExampleRenderer* renderer = new ExampleRenderer();
+  vgl::Viewer viewer("Example Viewer", 800, 600, camera, renderer);
+  viewer.run();
+}
+