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     gboolean flow; /* allow multiple lines.  must set maxwidth below */
 145     gint maxwidth;
 146 };
 147
 148 struct _RrPixmapMask {
 149     const RrInstance *inst;
 150     Pixmap mask;
 151     gint width;
 152     gint height;
 153     gchar *data;
 154 };
 155
 156 struct _RrTextureMask {
 157     RrColor *color;
 158     RrPixmapMask *mask;
 159 };
 160
 161 struct _RrTextureRGBA {
 162     gint width;
 163     gint height;
 164     gint alpha;
 165     RrPixel32 *data;
 166 /* cached scaled so we don't have to scale often */
 167     gint cwidth;
 168     gint cheight;
 169     RrPixel32 *cache;
 170 };
 171
 172 struct _RrTextureLineArt {
 173     RrColor *color;
 174     gint x1;
 175     gint y1;
 176     gint x2;
 177     gint y2;
 178 };
 179
 180 union _RrTextureData {
 181     RrTextureRGBA rgba;
 182     RrTextureText text;
 183     RrTextureMask mask;
 184     RrTextureLineArt lineart;
 185 };
 186
 187 struct _RrTexture {
 188     RrTextureType type;
 189     RrTextureData data;
 190 };
 191
 192 struct _RrAppearance {
 193     const RrInstance *inst;
 194
 195     RrSurface surface;
 196     gint textures;
 197     RrTexture *texture;
 198     Pixmap pixmap;
 199     XftDraw *xftdraw;
 200
 201     /* cached for internal use */
 202     gint w, h;
 203 };
 204
 205 /* these are the same on all endian machines because it seems to be dependant
 206    on the endianness of the gfx card, not the cpu. */
 207 #define RrDefaultAlphaOffset 24
 208 #define RrDefaultRedOffset 16
 209 #define RrDefaultGreenOffset 8
 210 #define RrDefaultBlueOffset 0
 211
 212 #define RrDefaultFontFamily       "arial,sans"
 213 #define RrDefaultFontSize         8
 214 #define RrDefaultFontWeight       RR_FONTWEIGHT_NORMAL
 215 #define RrDefaultFontSlant        RR_FONTSLANT_NORMAL
 216
 217 RrInstance* RrInstanceNew (Display *display, gint screen);
 218 void        RrInstanceFree (RrInstance *inst);
 219
 220 Display* RrDisplay      (const RrInstance *inst);
 221 gint     RrScreen       (const RrInstance *inst);
 222 Window   RrRootWindow   (const RrInstance *inst);
 223 Visual*  RrVisual       (const RrInstance *inst);
 224 gint     RrDepth        (const RrInstance *inst);
 225 Colormap RrColormap     (const RrInstance *inst);
 226 gint     RrRedOffset    (const RrInstance *inst);
 227 gint     RrGreenOffset  (const RrInstance *inst);
 228 gint     RrBlueOffset   (const RrInstance *inst);
 229 gint     RrRedShift     (const RrInstance *inst);
 230 gint     RrGreenShift   (const RrInstance *inst);
 231 gint     RrBlueShift    (const RrInstance *inst);
 232 gint     RrRedMask      (const RrInstance *inst);
 233 gint     RrGreenMask    (const RrInstance *inst);
 234 gint     RrBlueMask     (const RrInstance *inst);
 235
 236 RrColor *RrColorNew   (const RrInstance *inst, gint r, gint g, gint b);
 237 RrColor *RrColorParse (const RrInstance *inst, gchar *colorname);
 238 void     RrColorFree  (RrColor *in);
 239
 240 gint     RrColorRed   (const RrColor *c);
 241 gint     RrColorGreen (const RrColor *c);
 242 gint     RrColorBlue  (const RrColor *c);
 243 gulong   RrColorPixel (const RrColor *c);
 244 GC       RrColorGC    (RrColor *c);
 245
 246 RrAppearance *RrAppearanceNew  (const RrInstance *inst, gint numtex);
 247 RrAppearance *RrAppearanceCopy (RrAppearance *a);
 248 void          RrAppearanceFree (RrAppearance *a);
 249 void          RrAppearanceRemoveTextures(RrAppearance *a);
 250 void          RrAppearanceAddTextures(RrAppearance *a, gint numtex);
 251
 252 RrFont *RrFontOpen          (const RrInstance *inst, const gchar *name,
 253                              gint size, RrFontWeight weight, RrFontSlant slant);
 254 RrFont *RrFontOpenDefault   (const RrInstance *inst);
 255 void    RrFontClose         (RrFont *f);
 256 RrSize *RrFontMeasureString (const RrFont *f, const gchar *str,
 257                              gint shadow_offset_x, gint shadow_offset_y,
 258                              gboolean flow, gint maxwidth);
 259 gint    RrFontHeight        (const RrFont *f, gint shadow_offset_y);
 260 gint    RrFontMaxCharWidth  (const RrFont *f);
 261
 262 /* Paint into the appearance. The old pixmap is returned (if there was one). It
 263    is the responsibility of the caller to call XFreePixmap on the return when
 264    it is non-null. */
 265 Pixmap RrPaintPixmap (RrAppearance *a, gint w, gint h);
 266 void   RrPaint       (RrAppearance *a, Window win, gint w, gint h);
 267 void   RrMinSize     (RrAppearance *a, gint *w, gint *h);
 268 gint   RrMinWidth    (RrAppearance *a);
 269 /* For text textures, if flow is TRUE, then the string must be set before
 270    calling this, otherwise it doesn't need to be */
 271 gint   RrMinHeight   (RrAppearance *a);
 272 void   RrMargins     (RrAppearance *a, gint *l, gint *t, gint *r, gint *b);
 273
 274 gboolean RrPixmapToRGBA(const RrInstance *inst,
 275                         Pixmap pmap, Pixmap mask,
 276                         gint *w, gint *h, RrPixel32 **data);
 277
 278 G_END_DECLS
 279
 280 #endif /*__render_h*/