1140 

  1140 

  1141 	glMatrixMode(GL_MODELVIEW);

  1141 	glMatrixMode(GL_MODELVIEW);

  1142 	// prepare default translation/scaling

  1142 	// prepare default translation/scaling

  1143 	glLoadIdentity();

  1143 	glLoadIdentity();

  1144 	glScalef(2.0 / cScreenWidth, -2.0 / cScreenHeight, 1.0);

  1144 	glScalef(2.0 / cScreenWidth, -2.0 / cScreenHeight, 1.0);

  1148 	glTranslatef(0, -cScreenHeight / 2, 0);

  1145 	glTranslatef(0, -cScreenHeight / 2, 0);

  1149 

  1146 

  1150 	// enable alpha blending

  1147 	// enable alpha blending

  1151 	glEnable(GL_BLEND);

  1148 	glEnable(GL_BLEND);

  1152 	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

  1149 	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

  1161 	else // other scaling

  1158 	else // other scaling

  1162 	begin

  1159 	begin

  1163 		glPushMatrix; // save default scaling

  1160 		glPushMatrix; // save default scaling

  1164 		glLoadIdentity;

  1161 		glLoadIdentity;

  1165 		glScalef(f / cScreenWidth, -f / cScreenHeight, 1.0);

  1162 		glScalef(f / cScreenWidth, -f / cScreenHeight, 1.0);

  1169 		glTranslatef(0, -cScreenHeight / 2, 0);

  1163 		glTranslatef(0, -cScreenHeight / 2, 0);

  1170 	end;

  1164 	end;

  1171 

  1165 

  1172 	cScaleFactor:= f;

  1166 	cScaleFactor:= f;

  1173 end;

  1167 end;