2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 // draw.h -- these are the only functions outside the refresh allowed
22 // to touch the vid buffer
27 // FIXME: move this stuff to cl_screen
28 typedef struct cachepic_s
32 // renderer texture to use
34 // used for hash lookups
35 struct cachepic_s *chain;
41 typedef enum cachepicflags_e
43 CACHEPICFLAG_NOTPERSISTENT = 1,
44 CACHEPICFLAG_QUIET = 2,
45 CACHEPICFLAG_NOCOMPRESSION = 4,
49 void Draw_Init (void);
50 cachepic_t *Draw_CachePic_Flags (const char *path, unsigned int cachepicflags);
51 cachepic_t *Draw_CachePic (const char *path); // standard function with no options, used throughout engine
52 // create or update a pic's image
53 cachepic_t *Draw_NewPic(const char *picname, int width, int height, int alpha, unsigned char *pixels);
54 // free the texture memory used by a pic
55 void Draw_FreePic(const char *picname);
58 // each vertex is 3 floats
59 // each texcoord is 2 floats
60 // each color is 4 floats
61 typedef struct drawqueuemesh_s
68 float *data_texcoord2f;
73 enum drawqueue_drawflag_e {
81 typedef struct dp_font_s
84 float width_of[256]; // width_of[0] == max width of any char; 1.0f is base width (1/16 of texture width); therefore, all widths have to be <= 1
85 char texpath[MAX_QPATH];
86 char title[MAX_QPATH];
91 extern dp_font_t dp_fonts[MAX_FONTS];
92 #define FONT_DEFAULT (&dp_fonts[0]) // should be fixed width
93 #define FONT_CONSOLE (&dp_fonts[1]) // REALLY should be fixed width (ls!)
94 #define FONT_SBAR (&dp_fonts[2]) // must be fixed width
95 #define FONT_NOTIFY (&dp_fonts[3]) // free
96 #define FONT_CHAT (&dp_fonts[4]) // free
97 #define FONT_CENTERPRINT (&dp_fonts[5]) // free
98 #define FONT_INFOBAR (&dp_fonts[6]) // free
99 #define FONT_MENU (&dp_fonts[7]) // should be fixed width
100 #define FONT_USER (&dp_fonts[8]) // userdefined fonts
101 #define MAX_USERFONTS (MAX_FONTS - (FONT_USER - dp_fonts))
103 // shared color tag printing constants
104 #define STRING_COLOR_TAG '^'
105 #define STRING_COLOR_DEFAULT 7
106 #define STRING_COLOR_DEFAULT_STR "^7"
108 // all of these functions will set r_defdef.draw2dstage if not in 2D rendering mode (and of course prepare for 2D rendering in that case)
110 // draw an image (or a filled rectangle if pic == NULL)
111 void DrawQ_Pic(float x, float y, cachepic_t *pic, float width, float height, float red, float green, float blue, float alpha, int flags);
112 // draw a filled rectangle (slightly faster than DrawQ_Pic with pic = NULL)
113 void DrawQ_Fill(float x, float y, float width, float height, float red, float green, float blue, float alpha, int flags);
114 // draw a text string,
115 // with optional color tag support,
116 // returns final unclipped x coordinate
117 // if outcolor is provided the initial color is read from it, and it is updated at the end with the new value at the end of the text (not at the end of the clipped part)
118 // the color is tinted by the provided base color
119 // if r_textshadow is not zero, an additional instance of the text is drawn first at an offset with an inverted shade of gray (black text produces a white shadow, brightly colored text produces a black shadow)
120 float DrawQ_String(float x, float y, const char *text, size_t maxlen, float scalex, float scaley, float basered, float basegreen, float baseblue, float basealpha, int flags, int *outcolor, qboolean ignorecolorcodes);
121 float DrawQ_String_Font(float x, float y, const char *text, size_t maxlen, float scalex, float scaley, float basered, float basegreen, float baseblue, float basealpha, int flags, int *outcolor, qboolean ignorecolorcodes, const dp_font_t *fnt);
122 float DrawQ_TextWidth_Font(const char *text, size_t maxlen, qboolean ignorecolorcodes, const dp_font_t *fnt);
123 float DrawQ_TextWidth_Font_UntilWidth(const char *text, size_t *maxlen, qboolean ignorecolorcodes, const dp_font_t *fnt, float maxWidth);
124 float DrawQ_TextWidth_Font_UntilWidth_TrackColors(const char *text, size_t *maxlen, int *outcolor, qboolean ignorecolorcodes, const dp_font_t *fnt, float maxwidth);
125 // draw a very fancy pic (per corner texcoord/color control), the order is tl, tr, bl, br
126 void DrawQ_SuperPic(float x, float y, cachepic_t *pic, float width, float height, float s1, float t1, float r1, float g1, float b1, float a1, float s2, float t2, float r2, float g2, float b2, float a2, float s3, float t3, float r3, float g3, float b3, float a3, float s4, float t4, float r4, float g4, float b4, float a4, int flags);
127 // draw a triangle mesh
128 void DrawQ_Mesh(drawqueuemesh_t *mesh, int flags);
129 // set the clipping area
130 void DrawQ_SetClipArea(float x, float y, float width, float height);
131 // reset the clipping area
132 void DrawQ_ResetClipArea(void);
134 void DrawQ_Line(float width, float x1, float y1, float x2, float y2, float r, float g, float b, float alpha, int flags);
136 void DrawQ_LineLoop(drawqueuemesh_t *mesh, int flags);
137 // resets r_refdef.draw2dstage
138 void DrawQ_Finish(void);
140 void R_DrawGamma(void);