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 /* Put middle first so it's the default */
  89 typedef enum {
  90     RR_ELLIPSIZE_MIDDLE,
  91     RR_ELLIPSIZE_NONE,
  92     RR_ELLIPSIZE_START,
  93     RR_ELLIPSIZE_END
  94 } RrEllipsizeMode;
  95
  96 typedef enum {
  97     RR_FONTWEIGHT_LIGHT,
  98     RR_FONTWEIGHT_NORMAL,
  99     RR_FONTWEIGHT_SEMIBOLD,
 100     RR_FONTWEIGHT_BOLD,
 101     RR_FONTWEIGHT_ULTRABOLD
 102 } RrFontWeight;
 103
 104 typedef enum {
 105     RR_FONTSLANT_NORMAL,
 106     RR_FONTSLANT_ITALIC,
 107     RR_FONTSLANT_OBLIQUE
 108 } RrFontSlant;
 109
 110 struct _RrSurface {
 111     RrSurfaceColorType grad;
 112     RrReliefType relief;
 113     RrBevelType bevel;
 114     RrColor *primary;
 115     RrColor *secondary;
 116     RrColor *border_color;
 117     RrColor *bevel_dark;
 118     RrColor *bevel_light;
 119     RrColor *interlace_color;
 120     gboolean interlaced;
 121     gboolean border;
 122     RrAppearance *parent;
 123     gint parentx;
 124     gint parenty;
 125     RrPixel32 *pixel_data;
 126     gint bevel_dark_adjust;  /* 0-255, default is 64 */
 127     gint bevel_light_adjust; /* 0-255, default is 128 */
 128     RrColor *split_primary;
 129     RrColor *split_secondary;
 130 };
 131
 132 struct _RrTextureText {
 133     RrFont *font;
 134     RrJustify justify;
 135     RrColor *color;
 136     const gchar *string;
 137     gint shadow_offset_x;
 138     gint shadow_offset_y;
 139     RrColor *shadow_color;
 140     guchar shadow_alpha;
 141     gboolean shortcut; /*!< Underline a character */
 142     guint shortcut_pos; /*!< Position in bytes of the character to underline */
 143     RrEllipsizeMode ellipsize;
 144 };
 145
 146 struct _RrPixmapMask {
 147     const RrInstance *inst;
 148     Pixmap mask;
 149     gint width;
 150     gint height;
 151     gchar *data;
 152 };
 153
 154 struct _RrTextureMask {
 155     RrColor *color;
 156     RrPixmapMask *mask;
 157 };
 158
 159 struct _RrTextureRGBA {
 160     gint width;
 161     gint height;
 162     gint alpha;
 163     RrPixel32 *data;
 164 /* cached scaled so we don't have to scale often */
 165     gint cwidth;
 166     gint cheight;
 167     RrPixel32 *cache;
 168 };
 169
 170 struct _RrTextureLineArt {
 171     RrColor *color;
 172     gint x1;
 173     gint y1;
 174     gint x2;
 175     gint y2;
 176 };
 177
 178 union _RrTextureData {
 179     RrTextureRGBA rgba;
 180     RrTextureText text;
 181     RrTextureMask mask;
 182     RrTextureLineArt lineart;
 183 };
 184
 185 struct _RrTexture {
 186     RrTextureType type;
 187     RrTextureData data;
 188 };
 189
 190 struct _RrAppearance {
 191     const RrInstance *inst;
 192
 193     RrSurface surface;
 194     gint textures;
 195     RrTexture *texture;
 196     Pixmap pixmap;
 197     XftDraw *xftdraw;
 198
 199     /* cached for internal use */
 200     gint w, h;
 201 };
 202
 203 /* these are the same on all endian machines because it seems to be dependant
 204    on the endianness of the gfx card, not the cpu. */
 205 #define RrDefaultAlphaOffset 24
 206 #define RrDefaultRedOffset 16
 207 #define RrDefaultGreenOffset 8
 208 #define RrDefaultBlueOffset 0
 209
 210 #define RrDefaultFontFamily       "arial,sans"
 211 #define RrDefaultFontSize         8
 212 #define RrDefaultFontWeight       RR_FONTWEIGHT_NORMAL
 213 #define RrDefaultFontSlant        RR_FONTSLANT_NORMAL
 214
 215 RrInstance* RrInstanceNew (Display *display, gint screen);
 216 void        RrInstanceFree (RrInstance *inst);
 217
 218 Display* RrDisplay      (const RrInstance *inst);
 219 gint     RrScreen       (const RrInstance *inst);
 220 Window   RrRootWindow   (const RrInstance *inst);
 221 Visual*  RrVisual       (const RrInstance *inst);
 222 gint     RrDepth        (const RrInstance *inst);
 223 Colormap RrColormap     (const RrInstance *inst);
 224 gint     RrRedOffset    (const RrInstance *inst);
 225 gint     RrGreenOffset  (const RrInstance *inst);
 226 gint     RrBlueOffset   (const RrInstance *inst);
 227 gint     RrRedShift     (const RrInstance *inst);
 228 gint     RrGreenShift   (const RrInstance *inst);
 229 gint     RrBlueShift    (const RrInstance *inst);
 230 gint     RrRedMask      (const RrInstance *inst);
 231 gint     RrGreenMask    (const RrInstance *inst);
 232 gint     RrBlueMask     (const RrInstance *inst);
 233
 234 RrColor *RrColorNew   (const RrInstance *inst, gint r, gint g, gint b);
 235 RrColor *RrColorParse (const RrInstance *inst, gchar *colorname);
 236 void     RrColorFree  (RrColor *in);
 237
 238 gint     RrColorRed   (const RrColor *c);
 239 gint     RrColorGreen (const RrColor *c);
 240 gint     RrColorBlue  (const RrColor *c);
 241 gulong   RrColorPixel (const RrColor *c);
 242 GC       RrColorGC    (RrColor *c);
 243
 244 RrAppearance *RrAppearanceNew  (const RrInstance *inst, gint numtex);
 245 RrAppearance *RrAppearanceCopy (RrAppearance *a);
 246 void          RrAppearanceFree (RrAppearance *a);
 247 void          RrAppearanceAddTextures(RrAppearance *a, gint numtex);
 248
 249 RrFont *RrFontOpen          (const RrInstance *inst, const gchar *name, gint size,
 250                              RrFontWeight weight, RrFontSlant slant);
 251 RrFont *RrFontOpenDefault   (const RrInstance *inst);
 252 void    RrFontClose         (RrFont *f);
 253 RrSize *RrFontMeasureString (const RrFont *f, const gchar *str,
 254                              gint shadow_offset_x, gint shadow_offset_y);
 255 gint    RrFontHeight        (const RrFont *f, gint shadow_offset_y);
 256 gint    RrFontMaxCharWidth  (const RrFont *f);
 257
 258 /* Paint into the appearance. The old pixmap is returned (if there was one). It
 259    is the responsibility of the caller to call XFreePixmap on the return when
 260    it is non-null. */
 261 Pixmap RrPaintPixmap (RrAppearance *a, gint w, gint h);
 262 void   RrPaint       (RrAppearance *a, Window win, gint w, gint h);
 263 void   RrMinSize     (RrAppearance *a, gint *w, gint *h);
 264 gint   RrMinWidth    (RrAppearance *a);
 265 gint   RrMinHeight   (RrAppearance *a);
 266 void   RrMargins     (RrAppearance *a, gint *l, gint *t, gint *r, gint *b);
 267
 268 gboolean RrPixmapToRGBA(const RrInstance *inst,
 269                         Pixmap pmap, Pixmap mask,
 270                         gint *w, gint *h, RrPixel32 **data);
 271
 272 G_END_DECLS
 273
 274 #endif /*__render_h*/