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Diffstat (limited to 'intern/bmfont/BMF_Api.h')
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+/**
+ * $Id$
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License. See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+
+/**
+
+ * $Id$
+ * Copyright (C) 2001 NaN Technologies B.V.
+ *
+ * API of the OpenGL bitmap font library.
+ * Currently draws fonts using the glBitmap routine.
+ * This implies that drawing speed is heavyly dependant on
+ * the 2D capabilities of the graphics card.
+ */
+
+#ifndef __BMF_API_H
+#define __BMF_API_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "BMF_Fonts.h"
+
+/**
+ * Returns the font for a given font type.
+ * @param font The font to retrieve.
+ * @return The font (or nil if not found).
+ */
+BMF_Font* BMF_GetFont(BMF_FontType font);
+
+/**
+ * Draws a character at the current raster position.
+ * @param font The font to use.
+ * @param c The character to draw.
+ * @return Indication of success (0 == error).
+ */
+int BMF_DrawCharacter(BMF_Font* font, char c);
+
+/**
+ * Draws a string at the current raster position.
+ * @param font The font to use.
+ * @param str The string to draw.
+ * @return Indication of success (0 == error).
+ */
+int BMF_DrawString(BMF_Font* font, char* str);
+
+/**
+ * Returns the width of a character in pixels.
+ * @param font The font to use.
+ * @param c The character.
+ * @return The length.
+ */
+int BMF_GetCharacterWidth(BMF_Font* font, char c);
+
+/**
+ * Returns the width of a string of characters.
+ * @param font The font to use.
+ * @param str The string.
+ * @return The length.
+ */
+int BMF_GetStringWidth(BMF_Font* font, char* str);
+
+/**
+ * Returns the bounding box of the font. The width and
+ * height represent the bounding box of the union of
+ * all glyps. The minimum and maximum values of the
+ * box represent the extent of the font and its positioning
+ * about the origin.
+ */
+void BMF_GetBoundingBox(BMF_Font* font, int *xmin_r, int *ymin_r, int *xmax_r, int *ymax_r);
+
+/**
+ * Convert the given @a font to a texture, and return the GL texture
+ * ID of the texture. If the texture ID is bound, text can
+ * be drawn using the texture by calling DrawStringTexture.
+ *
+ * @param font The font to create the texture from.
+ * @return The GL texture ID of the new texture, or -1 if unable
+ * to create.
+ */
+int BMF_GetFontTexture(BMF_Font* font);
+
+/**
+ * Draw the given @a str at the point @a x, @a y, @a z, using
+ * texture coordinates. This assumes that an appropriate texture
+ * has been bound, see BMF_BitmapFont::GetTexture(). The string
+ * is drawn along the positive X axis.
+ *
+ * @param font The font to draw with.
+ * @param string The c-string to draw.
+ * @param x The x coordinate to start drawing at.
+ * @param y The y coordinate to start drawing at.
+ * @param z The z coordinate to start drawing at.
+ */
+void BMF_DrawStringTexture(BMF_Font* font, char* string, float x, float y, float z);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __BMF_API_H */