OZ++ Class: OpenGLBitmapFont |
/****************************************************************************** * * Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer. * * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * OpenGLBitmapFont.h * *****************************************************************************/ #pragma once #include <oz++/opengl/OpenGLObject.h> #include <oz++/opengl/OpenGLFont.h> namespace OZ { class OpenGLBitmapFont :public OpenGLFont { public: OpenGLBitmapFont(void* font = GLUT_BITMAP_TIMES_ROMAN_24) :OpenGLFont(font) { if (validate(font) == false) { throw IException("Invalid font"); } } bool validate(void* font) { // See /usr/include/GL/freeglut_std.h void* fonts[] = { GLUT_BITMAP_9_BY_15, GLUT_BITMAP_8_BY_13, GLUT_BITMAP_TIMES_ROMAN_10, GLUT_BITMAP_TIMES_ROMAN_24, GLUT_BITMAP_HELVETICA_10, GLUT_BITMAP_HELVETICA_12, GLUT_BITMAP_HELVETICA_18, }; bool rc = false; for (int i = 0; i<SizeOf(fonts); i++) { if (font == fonts[i]) { rc = true; break; } } return rc; } void bitmapCharacter(int character) { glutBitmapCharacter(getFont(), character); } int bitmapWidth(int character) { return glutBitmapWidth(getFont(), character); } int bitmapLength(const unsigned char* string) { return glutBitmapLength(getFont(), string); } void drawString(const char* string) { if (string) { size_t len = strlen(string); for (size_t i = 0; i < len; i++) { bitmapCharacter(string[i]); } } } void drawString(int x, int y, const char* string) { if (string) { glRasterPos2i(x, y); size_t len = strlen(string); for (size_t i = 0; i < len; i++) { bitmapCharacter(string[i]); } } } }; }