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 "render/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     gint maxwidth;
 145 };
 146
 147 struct _RrPixmapMask {
 148     const RrInstance *inst;
 149     Pixmap mask;
 150     gint width;
 151     gint height;
 152     gchar *data;
 153 };
 154
 155 struct _RrTextureMask {
 156     RrColor *color;
 157     RrPixmapMask *mask;
 158 };
 159
 160 struct _RrTextureRGBA {
 161     gint width;
 162     gint height;
 163     gint alpha;
 164     RrPixel32 *data;
 165 /* cached scaled so we don't have to scale often */
 166     gint cwidth;
 167     gint cheight;
 168     RrPixel32 *cache;
 169 };
 170
 171 struct _RrTextureLineArt {
 172     RrColor *color;
 173     gint x1;
 174     gint y1;
 175     gint x2;
 176     gint y2;
 177 };
 178
 179 union _RrTextureData {
 180     RrTextureRGBA rgba;
 181     RrTextureText text;
 182     RrTextureMask mask;
 183     RrTextureLineArt lineart;
 184 };
 185
 186 struct _RrTexture {
 187     RrTextureType type;
 188     RrTextureData data;
 189 };
 190
 191 struct _RrAppearance {
 192     const RrInstance *inst;
 193
 194     RrSurface surface;
 195     gint textures;
 196     RrTexture *texture;
 197     Pixmap pixmap;
 198     XftDraw *xftdraw;
 199
 200     /* cached for internal use */
 201     gint w, h;
 202 };
 203
 204 /* these are the same on all endian machines because it seems to be dependant
 205    on the endianness of the gfx card, not the cpu. */
 206 #define RrDefaultAlphaOffset 24
 207 #define RrDefaultRedOffset 16
 208 #define RrDefaultGreenOffset 8
 209 #define RrDefaultBlueOffset 0
 210
 211 #define RrDefaultFontFamily       "arial,sans"
 212 #define RrDefaultFontSize         8
 213 #define RrDefaultFontWeight       RR_FONTWEIGHT_NORMAL
 214 #define RrDefaultFontSlant        RR_FONTSLANT_NORMAL
 215
 216 RrInstance* RrInstanceNew (Display *display, gint screen);
 217 void        RrInstanceFree (RrInstance *inst);
 218
 219 Display* RrDisplay      (const RrInstance *inst);
 220 gint     RrScreen       (const RrInstance *inst);
 221 Window   RrRootWindow   (const RrInstance *inst);
 222 Visual*  RrVisual       (const RrInstance *inst);
 223 gint     RrDepth        (const RrInstance *inst);
 224 Colormap RrColormap     (const RrInstance *inst);
 225 gint     RrRedOffset    (const RrInstance *inst);
 226 gint     RrGreenOffset  (const RrInstance *inst);
 227 gint     RrBlueOffset   (const RrInstance *inst);
 228 gint     RrRedShift     (const RrInstance *inst);
 229 gint     RrGreenShift   (const RrInstance *inst);
 230 gint     RrBlueShift    (const RrInstance *inst);
 231 gint     RrRedMask      (const RrInstance *inst);
 232 gint     RrGreenMask    (const RrInstance *inst);
 233 gint     RrBlueMask     (const RrInstance *inst);
 234
 235 RrColor *RrColorNew   (const RrInstance *inst, gint r, gint g, gint b);
 236 RrColor *RrColorParse (const RrInstance *inst, gchar *colorname);
 237 void     RrColorFree  (RrColor *in);
 238
 239 gint     RrColorRed   (const RrColor *c);
 240 gint     RrColorGreen (const RrColor *c);
 241 gint     RrColorBlue  (const RrColor *c);
 242 gulong   RrColorPixel (const RrColor *c);
 243 GC       RrColorGC    (RrColor *c);
 244
 245 RrAppearance *RrAppearanceNew  (const RrInstance *inst, gint numtex);
 246 RrAppearance *RrAppearanceCopy (RrAppearance *a);
 247 void          RrAppearanceFree (RrAppearance *a);
 248 void          RrAppearanceRemoveTextures(RrAppearance *a);
 249 void          RrAppearanceAddTextures(RrAppearance *a, gint numtex);
 250
 251 RrFont *RrFontOpen          (const RrInstance *inst, const gchar *name,
 252                              gint size, RrFontWeight weight, RrFontSlant slant);
 253 RrFont *RrFontOpenDefault   (const RrInstance *inst);
 254 void    RrFontClose         (RrFont *f);
 255 RrSize *RrFontMeasureString (const RrFont *f, const gchar *str,
 256                              gint shadow_offset_x, gint shadow_offset_y,
 257                              gint maxwidth);
 258 gint    RrFontHeight        (const RrFont *f, gint shadow_offset_y);
 259 gint    RrFontMaxCharWidth  (const RrFont *f);
 260
 261 /* Paint into the appearance. The old pixmap is returned (if there was one). It
 262    is the responsibility of the caller to call XFreePixmap on the return when
 263    it is non-null. */
 264 Pixmap RrPaintPixmap (RrAppearance *a, gint w, gint h);
 265 void   RrPaint       (RrAppearance *a, Window win, gint w, gint h);
 266 void   RrMinSize     (RrAppearance *a, gint *w, gint *h);
 267 gint   RrMinWidth    (RrAppearance *a);
 268 gint   RrMinHeight   (RrAppearance *a);
 269 void   RrMargins     (RrAppearance *a, gint *l, gint *t, gint *r, gint *b);
 270
 271 gboolean RrPixmapToRGBA(const RrInstance *inst,
 272                         Pixmap pmap, Pixmap mask,
 273                         gint *w, gint *h, RrPixel32 **data);
 274
 275 G_END_DECLS
 276
 277 #endif /*__render_h*/