Dogcows Code - chaz/openbox/blob - render/render.h

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    render.h for the Openbox window manager
   4    Copyright (c) 2003        Ben Jansens
   5    Copyright (c) 2003        Derek Foreman
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    See the COPYING file for a copy of the GNU General Public License.
  18 */
  19
  20 #ifndef __render_h
  21 #define __render_h
  22
  23 #include "version.h"
  24
  25 #include <X11/Xlib.h> /* some platforms dont include this as needed for Xft */
  26 #define _XFT_NO_COMPAT_ /* no Xft 1 API */
  27 #include <X11/Xft/Xft.h>
  28 #include <glib.h>
  29
  30 G_BEGIN_DECLS
  31
  32 typedef union  _RrTextureData      RrTextureData;
  33 typedef struct _RrAppearance       RrAppearance;
  34 typedef struct _RrSurface          RrSurface;
  35 typedef struct _RrFont             RrFont;
  36 typedef struct _RrTexture          RrTexture;
  37 typedef struct _RrTextureMask      RrTextureMask;
  38 typedef struct _RrTextureRGBA      RrTextureRGBA;
  39 typedef struct _RrTextureText      RrTextureText;
  40 typedef struct _RrTextureLineArt   RrTextureLineArt;
  41 typedef struct _RrPixmapMask       RrPixmapMask;
  42 typedef struct _RrInstance         RrInstance;
  43 typedef struct _RrColor            RrColor;
  44
  45 typedef guint32 RrPixel32;
  46 typedef guint16 RrPixel16;
  47
  48 typedef enum {
  49     RR_RELIEF_FLAT,
  50     RR_RELIEF_RAISED,
  51     RR_RELIEF_SUNKEN
  52 } RrReliefType;
  53
  54 typedef enum {
  55     RR_BEVEL_1,
  56     RR_BEVEL_2
  57 } RrBevelType;
  58
  59 typedef enum {
  60     RR_SURFACE_NONE,
  61     RR_SURFACE_PARENTREL,
  62     RR_SURFACE_SOLID,
  63     RR_SURFACE_HORIZONTAL,
  64     RR_SURFACE_VERTICAL,
  65     RR_SURFACE_DIAGONAL,
  66     RR_SURFACE_CROSS_DIAGONAL,
  67     RR_SURFACE_PYRAMID
  68 } RrSurfaceColorType;
  69
  70 typedef enum {
  71     RR_TEXTURE_NONE,
  72     RR_TEXTURE_MASK,
  73     RR_TEXTURE_TEXT,
  74     RR_TEXTURE_LINE_ART,
  75     RR_TEXTURE_RGBA
  76 } RrTextureType;
  77
  78 typedef enum {
  79     RR_JUSTIFY_LEFT,
  80     RR_JUSTIFY_CENTER,
  81     RR_JUSTIFY_RIGHT
  82 } RrJustify;
  83
  84 struct _RrSurface {
  85     RrSurfaceColorType grad;
  86     RrReliefType relief;
  87     RrBevelType bevel;
  88     RrColor *primary;
  89     RrColor *secondary;
  90     RrColor *border_color;
  91     RrColor *bevel_dark;
  92     RrColor *bevel_light;
  93     RrColor *interlace_color;
  94     gboolean interlaced;
  95     gboolean border;
  96     RrAppearance *parent;
  97     gint parentx;
  98     gint parenty;
  99     RrPixel32 *pixel_data;
 100 };
 101
 102 struct _RrTextureText {
 103     RrFont *font;
 104     RrJustify justify;
 105     RrColor *color;
 106     gchar *string;
 107 };
 108
 109 struct _RrPixmapMask {
 110     const RrInstance *inst;
 111     Pixmap mask;
 112     gint width;
 113     gint height;
 114     gchar *data;
 115 };
 116
 117 struct _RrTextureMask {
 118     RrColor *color;
 119     RrPixmapMask *mask;
 120 };
 121
 122 struct _RrTextureRGBA {
 123     gint width;
 124     gint height;
 125     RrPixel32 *data;
 126 /* cached scaled so we don't have to scale often */
 127     gint cwidth;
 128     gint cheight;
 129     RrPixel32 *cache;
 130 };
 131
 132 struct _RrTextureLineArt {
 133     RrColor *color;
 134     gint x1;
 135     gint y1;
 136     gint x2;
 137     gint y2;
 138 };
 139
 140 union _RrTextureData {
 141     RrTextureRGBA rgba;
 142     RrTextureText text;
 143     RrTextureMask mask;
 144     RrTextureLineArt lineart;
 145 };
 146
 147 struct _RrTexture {
 148     RrTextureType type;
 149     RrTextureData data;
 150 };
 151
 152 struct _RrAppearance {
 153     const RrInstance *inst;
 154
 155     RrSurface surface;
 156     gint textures;
 157     RrTexture *texture;
 158     Pixmap pixmap;
 159     XftDraw *xftdraw;
 160
 161     /* cached for internal use */
 162     gint w, h;
 163 };
 164
 165 /* these are the same on all endian machines because it seems to be dependant
 166    on the endianness of the gfx card, not the cpu. */
 167 #define RrDefaultAlphaOffset 24
 168 #define RrDefaultRedOffset 16
 169 #define RrDefaultGreenOffset 8
 170 #define RrDefaultBlueOffset 0
 171
 172 RrInstance* RrInstanceNew (Display *display, gint screen);
 173 void        RrInstanceFree (RrInstance *inst);
 174
 175 Display* RrDisplay      (const RrInstance *inst);
 176 gint     RrScreen       (const RrInstance *inst);
 177 Window   RrRootWindow   (const RrInstance *inst);
 178 Visual*  RrVisual       (const RrInstance *inst);
 179 gint     RrDepth        (const RrInstance *inst);
 180 Colormap RrColormap     (const RrInstance *inst);
 181 gint     RrRedOffset    (const RrInstance *inst);
 182 gint     RrGreenOffset  (const RrInstance *inst);
 183 gint     RrBlueOffset   (const RrInstance *inst);
 184 gint     RrRedShift     (const RrInstance *inst);
 185 gint     RrGreenShift   (const RrInstance *inst);
 186 gint     RrBlueShift    (const RrInstance *inst);
 187 gint     RrRedMask      (const RrInstance *inst);
 188 gint     RrGreenMask    (const RrInstance *inst);
 189 gint     RrBlueMask     (const RrInstance *inst);
 190
 191 RrColor *RrColorNew   (const RrInstance *inst, gint r, gint g, gint b);
 192 RrColor *RrColorParse (const RrInstance *inst, gchar *colorname);
 193 void     RrColorFree  (RrColor *in);
 194
 195 gint     RrColorRed   (const RrColor *c);
 196 gint     RrColorGreen (const RrColor *c);
 197 gint     RrColorBlue  (const RrColor *c);
 198 gulong   RrColorPixel (const RrColor *c);
 199 GC       RrColorGC    (RrColor *c);
 200
 201 RrAppearance *RrAppearanceNew  (const RrInstance *inst, gint numtex);
 202 RrAppearance *RrAppearanceCopy (RrAppearance *a);
 203 void          RrAppearanceFree (RrAppearance *a);
 204
 205 gint RrFontMeasureString (const RrFont *f, const gchar *str);
 206 gint RrFontHeight        (const RrFont *f);
 207 gint RrFontMaxCharWidth  (const RrFont *f);
 208
 209 void RrPaint   (RrAppearance *a, Window win, gint w, gint h);
 210 void RrMinsize (RrAppearance *a, gint *w, gint *h);
 211 void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b);
 212
 213 gboolean RrPixmapToRGBA(const RrInstance *inst,
 214                         Pixmap pmap, Pixmap mask,
 215                         gint *w, gint *h, RrPixel32 **data);
 216
 217 G_END_DECLS
 218
 219 #endif /*__render_h*/