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 "geom.h"
  24 #include "version.h"
  25
  26 #include <X11/Xlib.h> /* some platforms dont include this as needed for Xft */
  27 #define _XFT_NO_COMPAT_ /* no Xft 1 API */
  28 #include <X11/Xft/Xft.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
  49 typedef enum {
  50     RR_RELIEF_FLAT,
  51     RR_RELIEF_RAISED,
  52     RR_RELIEF_SUNKEN
  53 } RrReliefType;
  54
  55 typedef enum {
  56     RR_BEVEL_1,
  57     RR_BEVEL_2
  58 } RrBevelType;
  59
  60 typedef enum {
  61     RR_SURFACE_NONE,
  62     RR_SURFACE_PARENTREL,
  63     RR_SURFACE_SOLID,
  64     RR_SURFACE_SPLIT,
  65     RR_SURFACE_HORIZONTAL,
  66     RR_SURFACE_VERTICAL,
  67     RR_SURFACE_DIAGONAL,
  68     RR_SURFACE_CROSS_DIAGONAL,
  69     RR_SURFACE_PYRAMID
  70 } RrSurfaceColorType;
  71
  72 typedef enum {
  73     RR_TEXTURE_NONE,
  74     RR_TEXTURE_MASK,
  75     RR_TEXTURE_TEXT,
  76     RR_TEXTURE_LINE_ART,
  77     RR_TEXTURE_RGBA
  78 } RrTextureType;
  79
  80 typedef enum {
  81     RR_JUSTIFY_LEFT,
  82     RR_JUSTIFY_CENTER,
  83     RR_JUSTIFY_RIGHT
  84 } RrJustify;
  85
  86 struct _RrSurface {
  87     RrSurfaceColorType grad;
  88     RrReliefType relief;
  89     RrBevelType bevel;
  90     RrColor *primary;
  91     RrColor *secondary;
  92     RrColor *border_color;
  93     RrColor *bevel_dark;
  94     RrColor *bevel_light;
  95     RrColor *interlace_color;
  96     gboolean interlaced;
  97     gboolean border;
  98     RrAppearance *parent;
  99     gint parentx;
 100     gint parenty;
 101     RrPixel32 *pixel_data;
 102 };
 103
 104 struct _RrTextureText {
 105     RrFont *font;
 106     RrJustify justify;
 107     RrColor *color;
 108     gchar *string;
 109 };
 110
 111 struct _RrPixmapMask {
 112     const RrInstance *inst;
 113     Pixmap mask;
 114     gint width;
 115     gint height;
 116     gchar *data;
 117 };
 118
 119 struct _RrTextureMask {
 120     RrColor *color;
 121     RrPixmapMask *mask;
 122 };
 123
 124 struct _RrTextureRGBA {
 125     gint width;
 126     gint height;
 127     RrPixel32 *data;
 128 /* cached scaled so we don't have to scale often */
 129     gint cwidth;
 130     gint cheight;
 131     RrPixel32 *cache;
 132 };
 133
 134 struct _RrTextureLineArt {
 135     RrColor *color;
 136     gint x1;
 137     gint y1;
 138     gint x2;
 139     gint y2;
 140 };
 141
 142 union _RrTextureData {
 143     RrTextureRGBA rgba;
 144     RrTextureText text;
 145     RrTextureMask mask;
 146     RrTextureLineArt lineart;
 147 };
 148
 149 struct _RrTexture {
 150     RrTextureType type;
 151     RrTextureData data;
 152 };
 153
 154 struct _RrAppearance {
 155     const RrInstance *inst;
 156
 157     RrSurface surface;
 158     gint textures;
 159     RrTexture *texture;
 160     Pixmap pixmap;
 161     XftDraw *xftdraw;
 162
 163     /* cached for internal use */
 164     gint w, h;
 165 };
 166
 167 /* these are the same on all endian machines because it seems to be dependant
 168    on the endianness of the gfx card, not the cpu. */
 169 #define RrDefaultAlphaOffset 24
 170 #define RrDefaultRedOffset 16
 171 #define RrDefaultGreenOffset 8
 172 #define RrDefaultBlueOffset 0
 173
 174 RrInstance* RrInstanceNew (Display *display, gint screen);
 175 void        RrInstanceFree (RrInstance *inst);
 176
 177 Display* RrDisplay      (const RrInstance *inst);
 178 gint     RrScreen       (const RrInstance *inst);
 179 Window   RrRootWindow   (const RrInstance *inst);
 180 Visual*  RrVisual       (const RrInstance *inst);
 181 gint     RrDepth        (const RrInstance *inst);
 182 Colormap RrColormap     (const RrInstance *inst);
 183 gint     RrRedOffset    (const RrInstance *inst);
 184 gint     RrGreenOffset  (const RrInstance *inst);
 185 gint     RrBlueOffset   (const RrInstance *inst);
 186 gint     RrRedShift     (const RrInstance *inst);
 187 gint     RrGreenShift   (const RrInstance *inst);
 188 gint     RrBlueShift    (const RrInstance *inst);
 189 gint     RrRedMask      (const RrInstance *inst);
 190 gint     RrGreenMask    (const RrInstance *inst);
 191 gint     RrBlueMask     (const RrInstance *inst);
 192
 193 RrColor *RrColorNew   (const RrInstance *inst, gint r, gint g, gint b);
 194 RrColor *RrColorParse (const RrInstance *inst, gchar *colorname);
 195 void     RrColorFree  (RrColor *in);
 196
 197 gint     RrColorRed   (const RrColor *c);
 198 gint     RrColorGreen (const RrColor *c);
 199 gint     RrColorBlue  (const RrColor *c);
 200 gulong   RrColorPixel (const RrColor *c);
 201 GC       RrColorGC    (RrColor *c);
 202
 203 RrAppearance *RrAppearanceNew  (const RrInstance *inst, gint numtex);
 204 RrAppearance *RrAppearanceCopy (RrAppearance *a);
 205 void          RrAppearanceFree (RrAppearance *a);
 206
 207 RrSize *RrFontMeasureString (const RrFont *f, const gchar *str);
 208 gint RrFontHeight        (const RrFont *f);
 209 gint RrFontMaxCharWidth  (const RrFont *f);
 210
 211 void RrPaint   (RrAppearance *a, Window win, gint w, gint h);
 212 void RrMinsize (RrAppearance *a, gint *w, gint *h);
 213 void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b);
 214
 215 gboolean RrPixmapToRGBA(const RrInstance *inst,
 216                         Pixmap pmap, Pixmap mask,
 217                         gint *w, gint *h, RrPixel32 **data);
 218
 219 G_END_DECLS
 220
 221 #endif /*__render_h*/