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        Ben 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 #define _XFT_NO_COMPAT_ /* no Xft 1 API */
  29 #include <X11/Xft/Xft.h>
  30 #include <glib.h>
  31
  32 G_BEGIN_DECLS
  33
  34 typedef union  _RrTextureData      RrTextureData;
  35 typedef struct _RrAppearance       RrAppearance;
  36 typedef struct _RrSurface          RrSurface;
  37 typedef struct _RrFont             RrFont;
  38 typedef struct _RrTexture          RrTexture;
  39 typedef struct _RrTextureMask      RrTextureMask;
  40 typedef struct _RrTextureRGBA      RrTextureRGBA;
  41 typedef struct _RrTextureText      RrTextureText;
  42 typedef struct _RrTextureLineArt   RrTextureLineArt;
  43 typedef struct _RrPixmapMask       RrPixmapMask;
  44 typedef struct _RrInstance         RrInstance;
  45 typedef struct _RrColor            RrColor;
  46
  47 typedef guint32 RrPixel32;
  48 typedef guint16 RrPixel16;
  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 struct _RrSurface {
  89     RrSurfaceColorType grad;
  90     RrReliefType relief;
  91     RrBevelType bevel;
  92     RrColor *primary;
  93     RrColor *secondary;
  94     RrColor *border_color;
  95     RrColor *bevel_dark;
  96     RrColor *bevel_light;
  97     RrColor *interlace_color;
  98     gboolean interlaced;
  99     gboolean border;
 100     RrAppearance *parent;
 101     gint parentx;
 102     gint parenty;
 103     RrPixel32 *pixel_data;
 104 };
 105
 106 struct _RrTextureText {
 107     RrFont *font;
 108     RrJustify justify;
 109     RrColor *color;
 110     gchar *string;
 111 };
 112
 113 struct _RrPixmapMask {
 114     const RrInstance *inst;
 115     Pixmap mask;
 116     gint width;
 117     gint height;
 118     gchar *data;
 119 };
 120
 121 struct _RrTextureMask {
 122     RrColor *color;
 123     RrPixmapMask *mask;
 124 };
 125
 126 struct _RrTextureRGBA {
 127     gint width;
 128     gint height;
 129     RrPixel32 *data;
 130 /* cached scaled so we don't have to scale often */
 131     gint cwidth;
 132     gint cheight;
 133     RrPixel32 *cache;
 134 };
 135
 136 struct _RrTextureLineArt {
 137     RrColor *color;
 138     gint x1;
 139     gint y1;
 140     gint x2;
 141     gint y2;
 142 };
 143
 144 union _RrTextureData {
 145     RrTextureRGBA rgba;
 146     RrTextureText text;
 147     RrTextureMask mask;
 148     RrTextureLineArt lineart;
 149 };
 150
 151 struct _RrTexture {
 152     RrTextureType type;
 153     RrTextureData data;
 154 };
 155
 156 struct _RrAppearance {
 157     const RrInstance *inst;
 158
 159     RrSurface surface;
 160     gint textures;
 161     RrTexture *texture;
 162     Pixmap pixmap;
 163     XftDraw *xftdraw;
 164
 165     /* cached for internal use */
 166     gint w, h;
 167 };
 168
 169 /* these are the same on all endian machines because it seems to be dependant
 170    on the endianness of the gfx card, not the cpu. */
 171 #define RrDefaultAlphaOffset 24
 172 #define RrDefaultRedOffset 16
 173 #define RrDefaultGreenOffset 8
 174 #define RrDefaultBlueOffset 0
 175
 176 RrInstance* RrInstanceNew (Display *display, gint screen);
 177 void        RrInstanceFree (RrInstance *inst);
 178
 179 Display* RrDisplay      (const RrInstance *inst);
 180 gint     RrScreen       (const RrInstance *inst);
 181 Window   RrRootWindow   (const RrInstance *inst);
 182 Visual*  RrVisual       (const RrInstance *inst);
 183 gint     RrDepth        (const RrInstance *inst);
 184 Colormap RrColormap     (const RrInstance *inst);
 185 gint     RrRedOffset    (const RrInstance *inst);
 186 gint     RrGreenOffset  (const RrInstance *inst);
 187 gint     RrBlueOffset   (const RrInstance *inst);
 188 gint     RrRedShift     (const RrInstance *inst);
 189 gint     RrGreenShift   (const RrInstance *inst);
 190 gint     RrBlueShift    (const RrInstance *inst);
 191 gint     RrRedMask      (const RrInstance *inst);
 192 gint     RrGreenMask    (const RrInstance *inst);
 193 gint     RrBlueMask     (const RrInstance *inst);
 194
 195 RrColor *RrColorNew   (const RrInstance *inst, gint r, gint g, gint b);
 196 RrColor *RrColorParse (const RrInstance *inst, gchar *colorname);
 197 void     RrColorFree  (RrColor *in);
 198
 199 gint     RrColorRed   (const RrColor *c);
 200 gint     RrColorGreen (const RrColor *c);
 201 gint     RrColorBlue  (const RrColor *c);
 202 gulong   RrColorPixel (const RrColor *c);
 203 GC       RrColorGC    (RrColor *c);
 204
 205 RrAppearance *RrAppearanceNew  (const RrInstance *inst, gint numtex);
 206 RrAppearance *RrAppearanceCopy (RrAppearance *a);
 207 void          RrAppearanceFree (RrAppearance *a);
 208
 209 RrSize *RrFontMeasureString (const RrFont *f, const gchar *str);
 210 gint RrFontHeight        (const RrFont *f);
 211 gint RrFontMaxCharWidth  (const RrFont *f);
 212
 213 void RrPaint   (RrAppearance *a, Window win, gint w, gint h);
 214 void RrMinsize (RrAppearance *a, gint *w, gint *h);
 215 void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b);
 216
 217 gboolean RrPixmapToRGBA(const RrInstance *inst,
 218                         Pixmap pmap, Pixmap mask,
 219                         gint *w, gint *h, RrPixel32 **data);
 220
 221 G_END_DECLS
 222
 223 #endif /*__render_h*/