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 "geom.h"
  24 #include "version.h"
  25
  26 #include <X11/Xlib.h> /* some platforms dont include this as needed for Xft */
  27 #define _XFT_NO_COMPAT_ /* no Xft 1 API */
  28 #include <X11/Xft/Xft.h>
  29 #include <glib.h>
  30
  31 G_BEGIN_DECLS
  32
  33 typedef union  _RrTextureData      RrTextureData;
  34 typedef struct _RrAppearance       RrAppearance;
  35 typedef struct _RrSurface          RrSurface;
  36 typedef struct _RrFont             RrFont;
  37 typedef struct _RrTexture          RrTexture;
  38 typedef struct _RrTextureMask      RrTextureMask;
  39 typedef struct _RrTextureRGBA      RrTextureRGBA;
  40 typedef struct _RrTextureText      RrTextureText;
  41 typedef struct _RrTextureLineArt   RrTextureLineArt;
  42 typedef struct _RrPixmapMask       RrPixmapMask;
  43 typedef struct _RrInstance         RrInstance;
  44 typedef struct _RrColor            RrColor;
  45
  46 typedef guint32 RrPixel32;
  47 typedef guint16 RrPixel16;
  48
  49 typedef enum {
  50     RR_RELIEF_FLAT,
  51     RR_RELIEF_RAISED,
  52     RR_RELIEF_SUNKEN
  53 } RrReliefType;
  54
  55 typedef enum {
  56     RR_BEVEL_1,
  57     RR_BEVEL_2
  58 } RrBevelType;
  59
  60 typedef enum {
  61     RR_SURFACE_NONE,
  62     RR_SURFACE_PARENTREL,
  63     RR_SURFACE_SOLID,
  64     RR_SURFACE_HORIZONTAL,
  65     RR_SURFACE_VERTICAL,
  66     RR_SURFACE_DIAGONAL,
  67     RR_SURFACE_CROSS_DIAGONAL,
  68     RR_SURFACE_PYRAMID
  69 } RrSurfaceColorType;
  70
  71 typedef enum {
  72     RR_TEXTURE_NONE,
  73     RR_TEXTURE_MASK,
  74     RR_TEXTURE_TEXT,
  75     RR_TEXTURE_LINE_ART,
  76     RR_TEXTURE_RGBA
  77 } RrTextureType;
  78
  79 typedef enum {
  80     RR_JUSTIFY_LEFT,
  81     RR_JUSTIFY_CENTER,
  82     RR_JUSTIFY_RIGHT
  83 } RrJustify;
  84
  85 struct _RrSurface {
  86     RrSurfaceColorType grad;
  87     RrReliefType relief;
  88     RrBevelType bevel;
  89     RrColor *primary;
  90     RrColor *secondary;
  91     RrColor *border_color;
  92     RrColor *bevel_dark;
  93     RrColor *bevel_light;
  94     RrColor *interlace_color;
  95     gboolean interlaced;
  96     gboolean border;
  97     RrAppearance *parent;
  98     gint parentx;
  99     gint parenty;
 100     RrPixel32 *pixel_data;
 101 };
 102
 103 struct _RrTextureText {
 104     RrFont *font;
 105     RrJustify justify;
 106     RrColor *color;
 107     gchar *string;
 108 };
 109
 110 struct _RrPixmapMask {
 111     const RrInstance *inst;
 112     Pixmap mask;
 113     gint width;
 114     gint height;
 115     gchar *data;
 116 };
 117
 118 struct _RrTextureMask {
 119     RrColor *color;
 120     RrPixmapMask *mask;
 121 };
 122
 123 struct _RrTextureRGBA {
 124     gint width;
 125     gint height;
 126     RrPixel32 *data;
 127 /* cached scaled so we don't have to scale often */
 128     gint cwidth;
 129     gint cheight;
 130     RrPixel32 *cache;
 131 };
 132
 133 struct _RrTextureLineArt {
 134     RrColor *color;
 135     gint x1;
 136     gint y1;
 137     gint x2;
 138     gint y2;
 139 };
 140
 141 union _RrTextureData {
 142     RrTextureRGBA rgba;
 143     RrTextureText text;
 144     RrTextureMask mask;
 145     RrTextureLineArt lineart;
 146 };
 147
 148 struct _RrTexture {
 149     RrTextureType type;
 150     RrTextureData data;
 151 };
 152
 153 struct _RrAppearance {
 154     const RrInstance *inst;
 155
 156     RrSurface surface;
 157     gint textures;
 158     RrTexture *texture;
 159     Pixmap pixmap;
 160     XftDraw *xftdraw;
 161
 162     /* cached for internal use */
 163     gint w, h;
 164 };
 165
 166 /* these are the same on all endian machines because it seems to be dependant
 167    on the endianness of the gfx card, not the cpu. */
 168 #define RrDefaultAlphaOffset 24
 169 #define RrDefaultRedOffset 16
 170 #define RrDefaultGreenOffset 8
 171 #define RrDefaultBlueOffset 0
 172
 173 RrInstance* RrInstanceNew (Display *display, gint screen);
 174 void        RrInstanceFree (RrInstance *inst);
 175
 176 Display* RrDisplay      (const RrInstance *inst);
 177 gint     RrScreen       (const RrInstance *inst);
 178 Window   RrRootWindow   (const RrInstance *inst);
 179 Visual*  RrVisual       (const RrInstance *inst);
 180 gint     RrDepth        (const RrInstance *inst);
 181 Colormap RrColormap     (const RrInstance *inst);
 182 gint     RrRedOffset    (const RrInstance *inst);
 183 gint     RrGreenOffset  (const RrInstance *inst);
 184 gint     RrBlueOffset   (const RrInstance *inst);
 185 gint     RrRedShift     (const RrInstance *inst);
 186 gint     RrGreenShift   (const RrInstance *inst);
 187 gint     RrBlueShift    (const RrInstance *inst);
 188 gint     RrRedMask      (const RrInstance *inst);
 189 gint     RrGreenMask    (const RrInstance *inst);
 190 gint     RrBlueMask     (const RrInstance *inst);
 191
 192 RrColor *RrColorNew   (const RrInstance *inst, gint r, gint g, gint b);
 193 RrColor *RrColorParse (const RrInstance *inst, gchar *colorname);
 194 void     RrColorFree  (RrColor *in);
 195
 196 gint     RrColorRed   (const RrColor *c);
 197 gint     RrColorGreen (const RrColor *c);
 198 gint     RrColorBlue  (const RrColor *c);
 199 gulong   RrColorPixel (const RrColor *c);
 200 GC       RrColorGC    (RrColor *c);
 201
 202 RrAppearance *RrAppearanceNew  (const RrInstance *inst, gint numtex);
 203 RrAppearance *RrAppearanceCopy (RrAppearance *a);
 204 void          RrAppearanceFree (RrAppearance *a);
 205
 206 RrSize *RrFontMeasureString (const RrFont *f, const gchar *str);
 207 gint RrFontHeight        (const RrFont *f);
 208 gint RrFontMaxCharWidth  (const RrFont *f);
 209
 210 void RrPaint   (RrAppearance *a, Window win, gint w, gint h);
 211 void RrMinsize (RrAppearance *a, gint *w, gint *h);
 212 void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b);
 213
 214 gboolean RrPixmapToRGBA(const RrInstance *inst,
 215                         Pixmap pmap, Pixmap mask,
 216                         gint *w, gint *h, RrPixel32 **data);
 217
 218 G_END_DECLS
 219
 220 #endif /*__render_h*/