Initial revision

3 files changed, 407 insertions, 0 deletions

diff --git a/progs/beos/Makefile b/progs/beos/Makefile
new file mode 100644
index 0000000000..0d9c27b539
--- /dev/null
+++ b/progs/beos/Makefile
@@ -0,0 +1,42 @@
+# $Id: Makefile,v 1.1 1999/08/19 00:55:40 jtg Exp $
+
+# Makefile for BeOS demos
+
+# Written by Brian Paul
+# This file is in the public domain.
+
+
+
+CC = g++
+
+# Use Mesa:
+CFLAGS = -I../include -c -g
+LFLAGS = -L../lib  -Xlinker -rpath ../lib -lbe -lMesaGL
+
+# Use BeOS OpenGL:
+#CFLAGS = -I/boot/develop/headers/be/opengl -c -g
+#LFLAGS = -L../lib  -Xlinker -rpath ../lib -lbe -lGL
+
+
+PROGRAMS = demo sample
+
+default: $(PROGRAMS)
+
+
+clean:
+	rm -f demo sample
+	rm -f *.o
+
+
+demo: demo.o
+	$(CC) demo.o $(LFLAGS) -o $@
+
+demo.o: demo.cpp
+	$(CC) $(CFLAGS) demo.cpp
+
+
+sample: sample.o
+	$(CC) sample.o $(LFLAGS) -o $@
+
+sample.o: sample.cpp
+	$(CC) $(CFLAGS) sample.cpp
diff --git a/progs/beos/demo.cpp b/progs/beos/demo.cpp
new file mode 100644
index 0000000000..c25eb93075
--- /dev/null
+++ b/progs/beos/demo.cpp
@@ -0,0 +1,153 @@
+// $Id: demo.cpp,v 1.1 1999/08/19 00:55:40 jtg Exp $
+
+// Simple BeOS GLView demo
+// Written by Brian Paul
+// This file is in the public domain.
+
+
+
+#include <stdio.h>
+#include <Application.h>
+#include <Window.h>
+#include <GLView.h>
+
+
+class MyWindow : public BWindow
+{
+public:
+   MyWindow(BRect frame);
+   virtual bool QuitRequested();
+};
+
+
+MyWindow::MyWindow(BRect frame)
+   : BWindow(frame, "demo", B_TITLED_WINDOW, B_NOT_ZOOMABLE)
+{
+   // no-op
+}
+
+bool MyWindow::QuitRequested()
+{
+   be_app->PostMessage(B_QUIT_REQUESTED);
+   return true;
+}
+
+
+class MyGL : public BGLView
+{
+public:
+   MyGL(BRect rect, char *name, ulong options);
+
+//	virtual void AttachedToWindow();
+   virtual void Draw(BRect updateRect);
+   virtual void Pulse();
+   virtual void FrameResized(float w, float h);
+private:
+   float mAngle;
+};
+
+
+MyGL::MyGL(BRect rect, char *name, ulong options)
+   : BGLView(rect, name, B_FOLLOW_LEFT_RIGHT | B_FOLLOW_TOP_BOTTOM, 0, options)
+{
+   mAngle = 0.0;
+}
+
+
+#if 0
+void MyGL::AttachedToWindow()
+{
+   BGLView::AttachedToWindow();
+   LockGL();
+   glClearColor(.7, .7, 0, 0);
+   UnlockGL();
+}
+#endif
+
+
+void MyGL::FrameResized(float w, float h)
+{
+    BGLView::FrameResized(w, h);
+
+    printf("FrameResized\n");
+    LockGL();
+    BGLView::FrameResized(w,h);
+    glViewport(0, 0, (int) (w + 1), (int) (h + 1));
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    glFrustum(-1, 1, -1, 1, 10, 30);
+    glMatrixMode(GL_MODELVIEW);
+    glLoadIdentity();
+    glTranslatef(0, 0, -18);
+    UnlockGL();
+}
+
+
+
+void MyGL::Draw(BRect r)
+{
+    printf("MyGL::Draw\n");
+    BGLView::Draw(r);
+    LockGL();
+    glClear(GL_COLOR_BUFFER_BIT);
+    glPushMatrix();
+    glRotatef(mAngle, 0, 0, 1);
+    glColor3f(0, 0, 1);
+    glBegin(GL_POLYGON);
+    glVertex2f(-1, -1);
+    glVertex2f( 1, -1);
+    glVertex2f( 1,  1);
+    glVertex2f(-1,  1);
+    glEnd();
+    SwapBuffers();
+    UnlockGL();
+}
+
+
+void MyGL::Pulse()
+{
+   printf("pulse\n");
+   BGLView::Pulse();
+   mAngle += 1.0;
+
+   LockGL();
+   glClear(GL_COLOR_BUFFER_BIT);
+   glPushMatrix();
+   glRotatef(mAngle, 0, 0, 1);
+   glColor3f(0, 0, 1);
+   glBegin(GL_POLYGON);
+   glVertex2f(-1, -1);
+   glVertex2f( 1, -1);
+   glVertex2f( 1,  1);
+   glVertex2f(-1,  1);
+   glEnd();
+   SwapBuffers();
+   UnlockGL();
+}
+
+
+
+int main(int argc, char *argv[])
+{
+   BApplication *app = new BApplication("application/demo");
+
+   // make top-level window
+   int x = 500, y = 500;
+   int w = 400, h = 400;
+   MyWindow *win = new MyWindow(BRect(x, y, x + w, y + h));
+   //	win->Lock();
+   //	win->Unlock();
+   win->Show();
+
+   // Make OpenGL view and put it in the window
+   MyGL *gl = new MyGL(BRect(5, 5, w-10, h-10), "GL", BGL_RGB | BGL_DOUBLE);
+   //	MyGL *gl = new MyGL(BRect(5, 5, w-10, h-10), "GL", BGL_RGB );
+   win->AddChild(gl);
+
+   printf("calling app->Run\n");	
+   app->Run();
+
+   delete app;
+
+   return 0;
+}
diff --git a/progs/beos/sample.cpp b/progs/beos/sample.cpp
new file mode 100644
index 0000000000..2310b33882
--- /dev/null
+++ b/progs/beos/sample.cpp
@@ -0,0 +1,212 @@
+// sample BGLView app from the Be Book
+
+
+#include <stdio.h>
+#include <Application.h>
+#include <Window.h>
+#include <GLView.h>
+
+
+class SampleGLView : public BGLView
+{
+public:
+   SampleGLView(BRect frame, uint32 type);
+   virtual void   AttachedToWindow(void);
+   virtual void   FrameResized(float newWidth, float newHeight);
+   virtual void   ErrorCallback(GLenum which);
+   
+   void         Render(void);
+   
+private:
+   void         gInit(void);
+   void         gDraw(void);
+   void         gReshape(int width, int height);
+         
+   float         width;
+   float         height;
+};
+
+
+
+class SampleGLWindow : public BWindow 
+{
+public:
+   SampleGLWindow(BRect frame, uint32 type);
+   virtual bool   QuitRequested() { return true; }
+   
+private:
+   SampleGLView   *theView;
+};
+
+
+class SampleGLApp : public BApplication
+{
+public:
+   SampleGLApp();
+private:
+   SampleGLWindow      *theWindow;
+};
+
+
+SampleGLApp::SampleGLApp()
+   : BApplication("application/x-vnd.sample")
+{
+   BRect windowRect;
+   uint32 type = BGL_RGB|BGL_DOUBLE;
+
+   windowRect.Set(50, 50, 350, 350);
+
+   theWindow = new SampleGLWindow(windowRect, type);
+}
+
+
+
+SampleGLWindow::SampleGLWindow(BRect frame, uint32 type)
+   : BWindow(frame, "OpenGL Test", B_TITLED_WINDOW, 0)
+{
+   theView = new SampleGLView(Bounds(), type);
+   AddChild(theView);
+   Show();
+   theView->Render();
+}
+
+
+
+SampleGLView::SampleGLView(BRect frame, uint32 type)
+   : BGLView(frame, "SampleGLView", B_FOLLOW_ALL_SIDES, 0, type)
+{
+   width = frame.right-frame.left;
+   height = frame.bottom-frame.top;
+}
+
+
+void SampleGLView::AttachedToWindow(void)
+{
+   LockGL();
+   BGLView::AttachedToWindow();
+   gInit();
+   gReshape(width, height);
+   UnlockGL();
+}
+
+
+void SampleGLView::FrameResized(float newWidth, float newHeight) 
+{
+   LockGL();
+   BGLView::FrameResized(width, height);
+   width = newWidth;
+   height = newHeight;
+   
+   gReshape(width,height);
+      
+   UnlockGL();
+   Render();
+}
+
+
+void SampleGLView::ErrorCallback(GLenum whichError) 
+{
+//      fprintf(stderr, "Unexpected error occured (%d):\\n", whichError);
+//      fprintf(stderr, "    %s\\n", gluErrorString(whichError));
+}
+
+
+
+// globals
+GLenum use_stipple_mode;    // GL_TRUE to use dashed lines
+GLenum use_smooth_mode;     // GL_TRUE to use anti-aliased lines
+GLint linesize;             // Line width
+GLint pointsize;            // Point diameter
+   
+float pntA[3] = {
+   -160.0, 0.0, 0.0
+};
+float pntB[3] = {
+   -130.0, 0.0, 0.0
+};
+
+
+
+void SampleGLView::gInit(void) 
+{
+   glClearColor(0.0, 0.0, 0.0, 0.0);
+   glLineStipple(1, 0xF0E0);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+   use_stipple_mode = GL_FALSE;
+   use_smooth_mode = GL_TRUE;
+   linesize = 2;
+   pointsize = 4;
+}
+
+
+
+void SampleGLView::gDraw(void)
+{
+   GLint i;
+   
+   glClear(GL_COLOR_BUFFER_BIT);
+   glLineWidth(linesize);
+   
+   if (use_stipple_mode) {
+      glEnable(GL_LINE_STIPPLE);
+   } else {
+      glDisable(GL_LINE_STIPPLE);
+   }
+   
+   if (use_smooth_mode) {
+      glEnable(GL_LINE_SMOOTH);
+      glEnable(GL_BLEND);
+   } else {
+      glDisable(GL_LINE_SMOOTH);
+      glDisable(GL_BLEND);
+   }
+   
+   glPushMatrix();
+   
+   for (i = 0; i < 360; i += 5) {
+      glRotatef(5.0, 0,0,1);         // Rotate right 5 degrees
+      glColor3f(1.0, 1.0, 0.0);      // Set color for line
+      glBegin(GL_LINE_STRIP);         // And create the line
+      glVertex3fv(pntA);
+      glVertex3fv(pntB);
+      glEnd();
+      
+      glPointSize(pointsize);         // Set size for point
+      glColor3f(0.0, 1.0, 0.0);      // Set color for point
+      glBegin(GL_POINTS);
+      glVertex3fv(pntA);         // Draw point at one end
+      glVertex3fv(pntB);         // Draw point at other end
+      glEnd();
+   }
+   
+   glPopMatrix();                  // Done with matrix
+}
+
+
+void SampleGLView::gReshape(int width, int height)
+{
+   glViewport(0, 0, width, height);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(-175, 175, -175, 175, -1, 1);
+   glMatrixMode(GL_MODELVIEW);
+}
+
+
+void SampleGLView::Render(void)
+{
+   LockGL();
+   gDraw();
+   SwapBuffers();
+   UnlockGL();
+}
+
+
+
+int main(int argc, char *argv[])
+{
+   SampleGLApp *app = new SampleGLApp;
+   app->Run();
+   delete app;
+   return 0;
+}