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