font.d

Revision 53, 52.8 kB (checked in by baxissimo, 1 year ago)
Updated for dsss usage

Line
1	//---------------------------------------------------------------------
2	/*
3	Copyright:
4
5	luigi/font.d -- font support for 'luigi' user interface library.
6
7	Copyright (C) 2006 William V. Baxter III
8
9	This software is provided 'as-is', without any express or implied
10	warranty. In no event will the authors be held liable for any
11	damages arising from the use of this software.
12
13	Permission is granted to anyone to use this software for any
14	purpose, including commercial applications, and to alter it and
15	redistribute it freely, subject to the following restrictions:
16
17	1. The origin of this software must not be misrepresented; you must
18	not claim that you wrote the original software. If you use this
19	software in a product, an acknowledgment in the product
20	documentation would be appreciated but is not required.
21	2. Altered source versions must be plainly marked as such, and must
22	not be misrepresented as being the original software.
23	3. This notice may not be removed or altered from any source distribution.
24
25	William Baxter wbaxter@gmail.com
26	*/
27
28	// The following copyright applies to some portions of this code below.
29	/*
30	* Portions copyright (C) 2004, the OpenGLUT project contributors.
31	* OpenGLUT branched from freeglut in February, 2004.
32	*
33	* Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
34	* Written by Pawel W. Olszta, <olszta@sourceforge.net>
35	* Creation date: Thu Dec 16 1999
36	*
37	* Permission is hereby granted, free of charge, to any person obtaining a
38	* copy of this software and associated documentation files (the "Software"),
39	* to deal in the Software without restriction, including without limitation
40	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
41	* and/or sell copies of the Software, and to permit persons to whom the
42	* Software is furnished to do so, subject to the following conditions:
43	*
44	* The above copyright notice and this permission notice shall be included
45	* in all copies or substantial portions of the Software.
46	*
47	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
48	* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
49	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
50	* PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
51	* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
52	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
53	*/
54
55
56	module luigi.font;
57
58	import luigi.opengl;
59	import luigi.base;
60
61	import std.stdio : writefln;
62
63	//--------------------------------------------------------------------------
64	/** An abstract interface for any font rendering tech that wants to be used by Luigi */
65	interface Font
66	{
67	/** Draw a character using OpenGL commands at position (0,0,0) in current
68	OpenGL coordinates.
69	Return the number of units along the baseline to advance.
70	*/
71	float draw_char(dchar c);
72
73	/** Draw a string using OpenGL commands at position (0,0,0) in current
74	OpenGL coordinates.
75	Return the number of units along the baseline to advance.
76	A mixin is available to provide a default implementation of this based
77	on draw_char.
78	*/
79	float draw_string(char[] str);
80
81	/** Return the bounding box of the string assuming it will be drawn at
82	location (0,0).
83	Thus the x,y positions tell you about the leading and descender.
84	+--------------------+
85	\| <--w--> \| ^
86	\| \| \|
87	(0,0) \| \| h
88	+------\|--------------------\|-\|----
89	\|(x,y) \| v
90	+--------------------+
91	*/
92	Rect string_rect(char[] str);
93
94	/** Return the basic height of the font */
95	float height();
96
97	/** Return width if font is fixed-width, or -1 if the font is proportional */
98	float width();
99
100	/** Returns the location of the origin relative to a character's bounding box
101	* top-left corner. Below this would be something like (ox,oy)==(-5,7).
102	* Put another way, in order for the top left corner to appear at some (x,y)
103	* you should call draw_string with the coordinates set to (x+ox, y+oy)
104
105	(0,0)+------------+
106	\| \|
107	\| \|
108	(ox,oy) \| \|
109	+------\|------------\|----
110	\| \|
111	+------------+
112	*/
113	Point origin();
114
115	}
116
117
118
119
120
121	// Basic glbitmap font ported from OpenGLUT (GLUT_BITMAP_HELVETICA_12)
122	class ASCIIBitmapFont : Font
123	{
124	this() {
125	m_data = &helvetica_12_data;
126	}
127
128	float draw_char(dchar c) {
129
130	if( !m_data \|\| ( 0 > c ) \|\| (255 < c ) )
131	return 0;
132
133	alias m_data f;
134
135	/* Find the glyph we want to draw. */
136	GLubyte *glyph = f.characters[ c ];
137
138	glPushClientAttrib( GL_CLIENT_PIXEL_STORE_BIT );
139
140	glPixelStorei( GL_UNPACK_SWAP_BYTES, GL_FALSE );
141	glPixelStorei( GL_UNPACK_LSB_FIRST, GL_FALSE );
142	glPixelStorei( GL_UNPACK_ROW_LENGTH, 0 );
143	glPixelStorei( GL_UNPACK_SKIP_ROWS, 0 );
144	glPixelStorei( GL_UNPACK_SKIP_PIXELS, 0 );
145	glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
146
147	_update_raster_pos();
148
149	glBitmap(
150	glyph[ 0 ], f.height, /* The bitmap's width and height */
151	f.xorig, f.yorig, /* The origin in the font glyph */
152	glyph[0], 0.0, /* The raster advance -- inc. x,y */
153	&glyph[1] /* The packed bitmap data... */
154	);
155	glPopClientAttrib( );
156	return glyph[0];
157	}
158
159	float draw_string(char[] str) {
160	float totalw = 0;
161	foreach(dchar c; str) {
162	float dx = draw_char(c);
163	totalw += dx;
164	glTranslatef(dx,0,0);
165	}
166	glTranslatef(-totalw,0,0);
167	return totalw;
168	}
169
170	Rect string_rect(char [] str) {
171	Rect r; r.set(0,0,0,0);
172	r.h = m_data.height;
173	r.y = m_data.yorig;
174	r.x = m_data.xorig;
175	foreach(dchar c; str) {
176	if (0<=c && 255>=c) {
177	r.w += m_data.characters[c][0];
178	}
179	}
180	return r;
181	}
182
183	float height() {
184	return m_data.height;
185	}
186
187	/** Return if the font is proportional (vs fixed width) */
188	float width() {
189	return m_data.width;
190	}
191
192	Point origin() { return Point(-m_data.xorig,-m_data.yorig+m_data.height); }
193
194	/** Set raster pos to the current gl 0,0,0 point */
195	void _update_raster_pos()
196	{
197	// GL maintains this separately, but we just use the current 0,0 point
198	glRasterPos2f(0,0);
199	}
200
201	BitmapFontData *m_data = null;
202	}
203
204	static GLubyte Helvetica12_Character_000[33] = [cast(GLubyte)9, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
205	static GLubyte Helvetica12_Character_001[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
206	static GLubyte Helvetica12_Character_002[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
207	static GLubyte Helvetica12_Character_003[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
208	static GLubyte Helvetica12_Character_004[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
209	static GLubyte Helvetica12_Character_005[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
210	static GLubyte Helvetica12_Character_006[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
211	static GLubyte Helvetica12_Character_007[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
212	static GLubyte Helvetica12_Character_008[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
213	static GLubyte Helvetica12_Character_009[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
214	static GLubyte Helvetica12_Character_010[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
215	static GLubyte Helvetica12_Character_011[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
216	static GLubyte Helvetica12_Character_012[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
217	static GLubyte Helvetica12_Character_013[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
218	static GLubyte Helvetica12_Character_014[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
219	static GLubyte Helvetica12_Character_015[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
220	static GLubyte Helvetica12_Character_016[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
221	static GLubyte Helvetica12_Character_017[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
222	static GLubyte Helvetica12_Character_018[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
223	static GLubyte Helvetica12_Character_019[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
224	static GLubyte Helvetica12_Character_020[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
225	static GLubyte Helvetica12_Character_021[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
226	static GLubyte Helvetica12_Character_022[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
227	static GLubyte Helvetica12_Character_023[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
228	static GLubyte Helvetica12_Character_024[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
229	static GLubyte Helvetica12_Character_025[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
230	static GLubyte Helvetica12_Character_026[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
231	static GLubyte Helvetica12_Character_027[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
232	static GLubyte Helvetica12_Character_028[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
233	static GLubyte Helvetica12_Character_029[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
234	static GLubyte Helvetica12_Character_030[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
235	static GLubyte Helvetica12_Character_031[33] = [ 12, 0, 0, 0, 0, 0, 0, 0, 0, 85, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 65, 0, 0, 0, 85, 0, 0, 0, 0, 0, 0, 0];
236	static GLubyte Helvetica12_Character_032[17] = [ 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
237	static GLubyte Helvetica12_Character_033[17] = [ 3, 0, 0, 0, 0, 64, 0, 64, 64, 64, 64, 64, 64, 64, 0, 0, 0];
238	static GLubyte Helvetica12_Character_034[17] = [ 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 80, 80, 80, 0, 0, 0];
239	static GLubyte Helvetica12_Character_035[17] = [ 7, 0, 0, 0, 0, 80, 80, 80,252, 40,252, 40, 40, 0, 0, 0, 0];
240	static GLubyte Helvetica12_Character_036[17] = [ 7, 0, 0, 0, 16, 56, 84, 84, 20, 56, 80, 84, 56, 16, 0, 0, 0];
241	static GLubyte Helvetica12_Character_037[33] = [ 11, 0, 0, 0, 0, 0, 0, 0, 0, 17,128, 10, 64, 10, 64, 9,128, 4, 0, 52, 0, 74, 0, 74, 0, 49, 0, 0, 0, 0, 0, 0, 0];
242	static GLubyte Helvetica12_Character_038[33] = [ 9, 0, 0, 0, 0, 0, 0, 0, 0, 57, 0, 70, 0, 66, 0, 69, 0, 40, 0, 24, 0, 36, 0, 36, 0, 24, 0, 0, 0, 0, 0, 0, 0];
243	static GLubyte Helvetica12_Character_039[17] = [ 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64, 32, 96, 0, 0, 0];
244	static GLubyte Helvetica12_Character_040[17] = [ 4, 0, 16, 32, 32, 64, 64, 64, 64, 64, 64, 32, 32, 16, 0, 0, 0];
245	static GLubyte Helvetica12_Character_041[17] = [ 4, 0,128, 64, 64, 32, 32, 32, 32, 32, 32, 64, 64,128, 0, 0, 0];
246	static GLubyte Helvetica12_Character_042[17] = [ 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 80, 32, 80, 0, 0, 0];
247	static GLubyte Helvetica12_Character_043[17] = [ 7, 0, 0, 0, 0, 0, 16, 16,124, 16, 16, 0, 0, 0, 0, 0, 0];
248	static GLubyte Helvetica12_Character_044[33] = [ 4, 0, 0, 64, 32, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
249	static GLubyte Helvetica12_Character_045[33] = [ 8, 0, 0, 0, 0, 0, 0, 0,124, 0, 0, 0, 0, 0, 0, 0, 0];
250	static GLubyte Helvetica12_Character_046[33] = [ 3, 0, 0, 0, 0, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
251	static GLubyte Helvetica12_Character_047[33] = [ 4, 0, 0, 0, 0,128,128, 64, 64, 64, 32, 32, 16, 16, 0, 0, 0];
252	static GLubyte Helvetica12_Character_048[33] = [ 7, 0, 0, 0, 0, 56, 68, 68, 68, 68, 68, 68, 68, 56, 0, 0, 0];
253	static GLubyte Helvetica12_Character_049[33] = [ 7, 0, 0, 0, 0, 16, 16, 16, 16, 16, 16, 16,112, 16, 0, 0, 0];
254	static GLubyte Helvetica12_Character_050[33]