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) 2006        Mikael Magnusson
   5    Copyright (c) 2003-2007   Dana Jansens
   6    Copyright (c) 2003        Derek Foreman
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    See the COPYING file for a copy of the GNU General Public License.
  19 */
  20
  21 #ifndef __render_h
  22 #define __render_h
  23
  24 #include "geom.h"
  25 #include "version.h"
  26
  27 #include <X11/Xlib.h> /* some platforms dont include this as needed for Xft */
  28 #include <pango/pangoxft.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 typedef guchar  RrPixel8;
  49
  50 typedef enum {
  51     RR_RELIEF_FLAT,
  52     RR_RELIEF_RAISED,
  53     RR_RELIEF_SUNKEN
  54 } RrReliefType;
  55
  56 typedef enum {
  57     RR_BEVEL_1,
  58     RR_BEVEL_2
  59 } RrBevelType;
  60
  61 typedef enum {
  62     RR_SURFACE_NONE,
  63     RR_SURFACE_PARENTREL,
  64     RR_SURFACE_SOLID,
  65     RR_SURFACE_SPLIT_VERTICAL,
  66     RR_SURFACE_HORIZONTAL,
  67     RR_SURFACE_VERTICAL,
  68     RR_SURFACE_DIAGONAL,
  69     RR_SURFACE_CROSS_DIAGONAL,
  70     RR_SURFACE_PYRAMID,
  71     RR_SURFACE_MIRROR_HORIZONTAL
  72 } RrSurfaceColorType;
  73
  74 typedef enum {
  75     RR_TEXTURE_NONE,
  76     RR_TEXTURE_MASK,
  77     RR_TEXTURE_TEXT,
  78     RR_TEXTURE_LINE_ART,
  79     RR_TEXTURE_RGBA
  80 } RrTextureType;
  81
  82 typedef enum {
  83     RR_JUSTIFY_LEFT,
  84     RR_JUSTIFY_CENTER,
  85     RR_JUSTIFY_RIGHT
  86 } RrJustify;
  87
  88 typedef enum {
  89     RR_FONTWEIGHT_LIGHT,
  90     RR_FONTWEIGHT_NORMAL,
  91     RR_FONTWEIGHT_SEMIBOLD,
  92     RR_FONTWEIGHT_BOLD,
  93     RR_FONTWEIGHT_ULTRABOLD
  94 } RrFontWeight;
  95
  96 typedef enum {
  97     RR_FONTSLANT_NORMAL,
  98     RR_FONTSLANT_ITALIC,
  99     RR_FONTSLANT_OBLIQUE
 100 } RrFontSlant;
 101
 102 struct _RrSurface {
 103     RrSurfaceColorType grad;
 104     RrReliefType relief;
 105     RrBevelType bevel;
 106     RrColor *primary;
 107     RrColor *secondary;
 108     RrColor *border_color;
 109     RrColor *bevel_dark;
 110     RrColor *bevel_light;
 111     RrColor *interlace_color;
 112     gboolean interlaced;
 113     gboolean border;
 114     RrAppearance *parent;
 115     gint parentx;
 116     gint parenty;
 117     RrPixel32 *pixel_data;
 118 };
 119
 120 struct _RrTextureText {
 121     RrFont *font;
 122     RrJustify justify;
 123     RrColor *color;
 124     const gchar *string;
 125     gint shadow_offset_x;
 126     gint shadow_offset_y;
 127     RrColor *shadow_color;
 128     gchar shadow_alpha;
 129     gunichar shortcut; /*!< Underline this character */
 130 };
 131
 132 struct _RrPixmapMask {
 133     const RrInstance *inst;
 134     Pixmap mask;
 135     gint width;
 136     gint height;
 137     gchar *data;
 138 };
 139
 140 struct _RrTextureMask {
 141     RrColor *color;
 142     RrPixmapMask *mask;
 143 };
 144
 145 struct _RrTextureRGBA {
 146     gint width;
 147     gint height;
 148     RrPixel32 *data;
 149 /* cached scaled so we don't have to scale often */
 150     gint cwidth;
 151     gint cheight;
 152     RrPixel32 *cache;
 153 };
 154
 155 struct _RrTextureLineArt {
 156     RrColor *color;
 157     gint x1;
 158     gint y1;
 159     gint x2;
 160     gint y2;
 161 };
 162
 163 union _RrTextureData {
 164     RrTextureRGBA rgba;
 165     RrTextureText text;
 166     RrTextureMask mask;
 167     RrTextureLineArt lineart;
 168 };
 169
 170 struct _RrTexture {
 171     RrTextureType type;
 172     RrTextureData data;
 173 };
 174
 175 struct _RrAppearance {
 176     const RrInstance *inst;
 177
 178     RrSurface surface;
 179     gint textures;
 180     RrTexture *texture;
 181     Pixmap pixmap;
 182     XftDraw *xftdraw;
 183
 184     /* cached for internal use */
 185     gint w, h;
 186 };
 187
 188 /* these are the same on all endian machines because it seems to be dependant
 189    on the endianness of the gfx card, not the cpu. */
 190 #define RrDefaultAlphaOffset 24
 191 #define RrDefaultRedOffset 16
 192 #define RrDefaultGreenOffset 8
 193 #define RrDefaultBlueOffset 0
 194
 195 #define RrDefaultFontFamily       "arial,sans"
 196 #define RrDefaultFontSize         8
 197 #define RrDefaultFontWeight       RR_FONTWEIGHT_NORMAL
 198 #define RrDefaultFontSlant        RR_FONTSLANT_NORMAL
 199
 200 RrInstance* RrInstanceNew (Display *display, gint screen);
 201 void        RrInstanceFree (RrInstance *inst);
 202
 203 Display* RrDisplay      (const RrInstance *inst);
 204 gint     RrScreen       (const RrInstance *inst);
 205 Window   RrRootWindow   (const RrInstance *inst);
 206 Visual*  RrVisual       (const RrInstance *inst);
 207 gint     RrDepth        (const RrInstance *inst);
 208 Colormap RrColormap     (const RrInstance *inst);
 209 gint     RrRedOffset    (const RrInstance *inst);
 210 gint     RrGreenOffset  (const RrInstance *inst);
 211 gint     RrBlueOffset   (const RrInstance *inst);
 212 gint     RrRedShift     (const RrInstance *inst);
 213 gint     RrGreenShift   (const RrInstance *inst);
 214 gint     RrBlueShift    (const RrInstance *inst);
 215 gint     RrRedMask      (const RrInstance *inst);
 216 gint     RrGreenMask    (const RrInstance *inst);
 217 gint     RrBlueMask     (const RrInstance *inst);
 218
 219 RrColor *RrColorNew   (const RrInstance *inst, gint r, gint g, gint b);
 220 RrColor *RrColorParse (const RrInstance *inst, gchar *colorname);
 221 void     RrColorFree  (RrColor *in);
 222
 223 gint     RrColorRed   (const RrColor *c);
 224 gint     RrColorGreen (const RrColor *c);
 225 gint     RrColorBlue  (const RrColor *c);
 226 gulong   RrColorPixel (const RrColor *c);
 227 GC       RrColorGC    (RrColor *c);
 228
 229 RrAppearance *RrAppearanceNew  (const RrInstance *inst, gint numtex);
 230 RrAppearance *RrAppearanceCopy (RrAppearance *a);
 231 void          RrAppearanceFree (RrAppearance *a);
 232
 233 RrFont *RrFontOpen          (const RrInstance *inst, const gchar *name, gint size,
 234                              RrFontWeight weight, RrFontSlant slant);
 235 RrFont *RrFontOpenDefault   (const RrInstance *inst);
 236 void    RrFontClose         (RrFont *f);
 237 RrSize *RrFontMeasureString (const RrFont *f, const gchar *str,
 238                              gint shadow_offset_x, gint shadow_offset_y);
 239 gint    RrFontHeight        (const RrFont *f, gint shadow_offset_y);
 240 gint    RrFontMaxCharWidth  (const RrFont *f);
 241
 242 /* Paint into the appearance. The old pixmap is returned (if there was one). It
 243    is the responsibility of the caller to call XFreePixmap on the return when
 244    it is non-null. */
 245 Pixmap RrPaintPixmap (RrAppearance *a, gint w, gint h);
 246 void   RrPaint       (RrAppearance *a, Window win, gint w, gint h);
 247 void   RrMinsize     (RrAppearance *a, gint *w, gint *h);
 248 void   RrMargins     (RrAppearance *a, gint *l, gint *t, gint *r, gint *b);
 249
 250 gboolean RrPixmapToRGBA(const RrInstance *inst,
 251                         Pixmap pmap, Pixmap mask,
 252                         gint *w, gint *h, RrPixel32 **data);
 253
 254 G_END_DECLS
 255
 256 #endif /*__render_h*/