windows graphics

svn path=/trunk/boinc/; revision=524

api/windows_opengl.cpp

@@ -8,7 +8,6 @@
  */
 
 #include <afxwin.h>
-#include "glut.h"
 #include <gl\gl.h>			// Header File For The OpenGL32 Library
 #include <gl\glu.h>			// Header File For The GLu32 Library
 #include <gl\glaux.h>		// Header File For The Glaux Library
@@ -24,6 +23,10 @@ HINSTANCE	hInstance;		// Holds The Instance Of The Application
 int			mouse_thresh = 3;
 int			initCursorPosx, initCursorPosy;
 
+GLuint	base;				// Base Display List For The Font Set
+GLfloat	cnt1;				// 1st Counter Used To Move Text & For Coloring
+GLfloat	cnt2;				// 2nd Counter Used To Move Text & For Coloring
+
 bool	keys[256];
 bool	active=TRUE;		// Window Active Flag Set To TRUE By Default
 bool	fullscreen=TRUE;	// Fullscreen Flag Set To Fullscreen Mode By Default
@@ -53,16 +56,55 @@ GLvoid ReSizeGLScene(GLsizei width, GLsizei height)		// Resize And Initialize Th
 	glLoadIdentity();									// Reset The Modelview Matrix
 }
 
-void renderBitmapString(
-		float x,
-		float y,
-		void *font,
-		char *string) {
-  char *c;
-  glRasterPos3f(x, y, -3);
-  for (c=string; *c != '\0'; c++) {
-    glutBitmapCharacter(font, *c);
-  }
+GLvoid BuildFont(GLvoid)								// Build Our Bitmap Font
+{
+	HFONT	font;										// Windows Font ID
+	HFONT	oldfont;									// Used For Good House Keeping
+
+	base = glGenLists(96);								// Storage For 96 Characters
+
+	font = CreateFont(	-24,							// Height Of Font
+						0,								// Width Of Font
+						0,								// Angle Of Escapement
+						0,								// Orientation Angle
+						FW_BOLD,						// Font Weight
+						FALSE,							// Italic
+						FALSE,							// Underline
+						FALSE,							// Strikeout
+						ANSI_CHARSET,					// Character Set Identifier
+						OUT_TT_PRECIS,					// Output Precision
+						CLIP_DEFAULT_PRECIS,			// Clipping Precision
+						ANTIALIASED_QUALITY,			// Output Quality
+						FF_DONTCARE|DEFAULT_PITCH,		// Family And Pitch
+						"Courier New");					// Font Name
+
+	oldfont = (HFONT)SelectObject(hDC, font);           // Selects The Font We Want
+	wglUseFontBitmaps(hDC, 32, 96, base);				// Builds 96 Characters Starting At Character 32
+	SelectObject(hDC, oldfont);							// Selects The Font We Want
+	DeleteObject(font);									// Delete The Font
+}
+
+GLvoid KillFont(GLvoid)									// Delete The Font List
+{
+	glDeleteLists(base, 96);							// Delete All 96 Characters
+}
+
+GLvoid glPrint(const char *fmt, ...)					// Custom GL "Print" Routine
+{
+	char		text[256];								// Holds Our String
+	va_list		ap;										// Pointer To List Of Arguments
+
+	if (fmt == NULL)									// If There's No Text
+		return;											// Do Nothing
+
+	va_start(ap, fmt);									// Parses The String For Variables
+	    vsprintf(text, fmt, ap);						// And Converts Symbols To Actual Numbers
+	va_end(ap);											// Results Are Stored In Text
+
+	glPushAttrib(GL_LIST_BIT);							// Pushes The Display List Bits
+	glListBase(base - 32);								// Sets The Base Character to 32
+	glCallLists(strlen(text), GL_UNSIGNED_BYTE, text);	// Draws The Display List Text
+	glPopAttrib();										// Pops The Display List Bits
 }
 
 int InitGL(GLvoid)										// All Setup For OpenGL Goes Here
@@ -73,6 +115,7 @@ int InitGL(GLvoid)										// All Setup For OpenGL Goes Here
 	glEnable(GL_DEPTH_TEST);							// Enables Depth Testing
 	glDepthFunc(GL_LEQUAL);								// The Type Of Depth Testing To Do
 	glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);	// Really Nice Perspective Calculations
+	BuildFont();										// Build The Font
 	return TRUE;										// Initialization Went OK
 }