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,
46
CACHEPICFLAG_NOCLAMP = 8,
50
void Draw_Init (void);
51
cachepic_t *Draw_CachePic_Flags (const char *path, unsigned int cachepicflags);
52
cachepic_t *Draw_CachePic (const char *path); // standard function with no options, used throughout engine
53
// create or update a pic's image
54
cachepic_t *Draw_NewPic(const char *picname, int width, int height, int alpha, unsigned char *pixels);
55
// free the texture memory used by a pic
56
void Draw_FreePic(const char *picname);
59
// each vertex is 3 floats
60
// each texcoord is 2 floats
61
// each color is 4 floats
62
typedef struct drawqueuemesh_s
67
unsigned short *data_element3s;
69
float *data_texcoord2f;
74
enum drawqueue_drawflag_e {
81
DRAWFLAG_MASK = 0xFF, // ONLY R_BeginPolygon()
82
DRAWFLAG_MIPMAP = 0x100 // ONLY R_BeginPolygon()
85
typedef struct dp_font_s
88
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 (does not include scale)
89
float maxwidth; // precalculated max width of the font (includes scale)
90
float scale; // scales the font (without changing line height!)
91
char texpath[MAX_QPATH];
92
char title[MAX_QPATH];
97
extern dp_font_t dp_fonts[MAX_FONTS];
98
#define FONT_DEFAULT (&dp_fonts[0]) // should be fixed width
99
#define FONT_CONSOLE (&dp_fonts[1]) // REALLY should be fixed width (ls!)
100
#define FONT_SBAR (&dp_fonts[2]) // must be fixed width
101
#define FONT_NOTIFY (&dp_fonts[3]) // free
102
#define FONT_CHAT (&dp_fonts[4]) // free
103
#define FONT_CENTERPRINT (&dp_fonts[5]) // free
104
#define FONT_INFOBAR (&dp_fonts[6]) // free
105
#define FONT_MENU (&dp_fonts[7]) // should be fixed width
106
#define FONT_USER (&dp_fonts[8]) // userdefined fonts
107
#define MAX_USERFONTS (MAX_FONTS - (FONT_USER - dp_fonts))
109
// shared color tag printing constants
110
#define STRING_COLOR_TAG '^'
111
#define STRING_COLOR_DEFAULT 7
112
#define STRING_COLOR_DEFAULT_STR "^7"
113
#define STRING_COLOR_RGB_TAG_CHAR 'x'
114
#define STRING_COLOR_RGB_TAG "^x"
116
// 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)
118
// draw an image (or a filled rectangle if pic == NULL)
119
void DrawQ_Pic(float x, float y, cachepic_t *pic, float width, float height, float red, float green, float blue, float alpha, int flags);
120
// draw a rotated image
121
void DrawQ_RotPic(float x, float y, cachepic_t *pic, float width, float height, float org_x, float org_y, float angle, float red, float green, float blue, float alpha, int flags);
122
// draw a filled rectangle (slightly faster than DrawQ_Pic with pic = NULL)
123
void DrawQ_Fill(float x, float y, float width, float height, float red, float green, float blue, float alpha, int flags);
124
// draw a text string,
125
// with optional color tag support,
126
// returns final unclipped x coordinate
127
// 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)
128
// the color is tinted by the provided base color
129
// 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)
130
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);
131
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);
132
float DrawQ_TextWidth_Font(const char *text, size_t maxlen, qboolean ignorecolorcodes, const dp_font_t *fnt);
133
float DrawQ_TextWidth_Font_UntilWidth(const char *text, size_t *maxlen, qboolean ignorecolorcodes, const dp_font_t *fnt, float maxWidth);
134
float DrawQ_TextWidth_Font_UntilWidth_TrackColors(const char *text, size_t *maxlen, int *outcolor, qboolean ignorecolorcodes, const dp_font_t *fnt, float maxwidth);
135
// draw a very fancy pic (per corner texcoord/color control), the order is tl, tr, bl, br
136
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);
137
// draw a triangle mesh
138
void DrawQ_Mesh(drawqueuemesh_t *mesh, int flags);
139
// set the clipping area
140
void DrawQ_SetClipArea(float x, float y, float width, float height);
141
// reset the clipping area
142
void DrawQ_ResetClipArea(void);
144
void DrawQ_Line(float width, float x1, float y1, float x2, float y2, float r, float g, float b, float alpha, int flags);
146
void DrawQ_LineLoop(drawqueuemesh_t *mesh, int flags);
147
// resets r_refdef.draw2dstage
148
void DrawQ_Finish(void);
150
void R_DrawGamma(void);