Dogcows Code - chaz/openbox/blob - render/render.h

   1 /* -*- indent-tabs-mode: t; 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 <X11/Xlib.h> /* some platforms dont include this as needed for Xft */
  24 #define _XFT_NO_COMPAT_ /* no Xft 1 API */
  25 #include <X11/Xft/Xft.h>
  26 #include <glib.h>
  27
  28 typedef union  _RrTextureData      RrTextureData;
  29 typedef struct _RrAppearance       RrAppearance;
  30 typedef struct _RrSurface          RrSurface;
  31 typedef struct _RrFont             RrFont;
  32 typedef struct _RrTexture          RrTexture;
  33 typedef struct _RrTextureMask      RrTextureMask;
  34 typedef struct _RrTextureRGBA      RrTextureRGBA;
  35 typedef struct _RrTextureText      RrTextureText;
  36 typedef struct _RrTextureLineArt   RrTextureLineArt;
  37 typedef struct _RrPixmapMask       RrPixmapMask;
  38 typedef struct _RrInstance         RrInstance;
  39 typedef struct _RrColor            RrColor;
  40
  41 typedef guint32 RrPixel32;
  42 typedef guint16 RrPixel16;
  43
  44 typedef enum {
  45     RR_RELIEF_FLAT,
  46     RR_RELIEF_RAISED,
  47     RR_RELIEF_SUNKEN
  48 } RrReliefType;
  49
  50 typedef enum {
  51     RR_BEVEL_1,
  52     RR_BEVEL_2
  53 } RrBevelType;
  54
  55 typedef enum {
  56     RR_SURFACE_NONE,
  57     RR_SURFACE_PARENTREL,
  58     RR_SURFACE_SOLID,
  59     RR_SURFACE_HORIZONTAL,
  60     RR_SURFACE_VERTICAL,
  61     RR_SURFACE_DIAGONAL,
  62     RR_SURFACE_CROSS_DIAGONAL,
  63     RR_SURFACE_PYRAMID
  64 } RrSurfaceColorType;
  65
  66 typedef enum {
  67     RR_TEXTURE_NONE,
  68     RR_TEXTURE_MASK,
  69     RR_TEXTURE_TEXT,
  70     RR_TEXTURE_LINE_ART,
  71     RR_TEXTURE_RGBA
  72 } RrTextureType;
  73
  74 typedef enum {
  75     RR_JUSTIFY_LEFT,
  76     RR_JUSTIFY_CENTER,
  77     RR_JUSTIFY_RIGHT
  78 } RrJustify;
  79
  80 struct _RrSurface {
  81     RrSurfaceColorType grad;
  82     RrReliefType relief;
  83     RrBevelType bevel;
  84     RrColor *primary;
  85     RrColor *secondary;
  86     RrColor *border_color;
  87     RrColor *bevel_dark;
  88     RrColor *bevel_light;
  89     RrColor *interlace_color;
  90     gboolean interlaced;
  91     gboolean border;
  92     RrAppearance *parent;
  93     gint parentx;
  94     gint parenty;
  95     RrPixel32 *pixel_data;
  96 };
  97
  98 struct _RrTextureText {
  99     RrFont *font;
 100     RrJustify justify;
 101     RrColor *color;
 102     gchar *string;
 103 };
 104
 105 struct _RrPixmapMask {
 106     const RrInstance *inst;
 107     Pixmap mask;
 108     gint width;
 109     gint height;
 110     gchar *data;
 111 };
 112
 113 struct _RrTextureMask {
 114     RrColor *color;
 115     RrPixmapMask *mask;
 116 };
 117
 118 struct _RrTextureRGBA {
 119     gint width;
 120     gint height;
 121     RrPixel32 *data;
 122 /* cached scaled so we don't have to scale often */
 123     gint cwidth;
 124     gint cheight;
 125     RrPixel32 *cache;
 126 };
 127
 128 struct _RrTextureLineArt {
 129     RrColor *color;
 130     gint x1;
 131     gint y1;
 132     gint x2;
 133     gint y2;
 134 };
 135
 136 union _RrTextureData {
 137     RrTextureRGBA rgba;
 138     RrTextureText text;
 139     RrTextureMask mask;
 140     RrTextureLineArt lineart;
 141 };
 142
 143 struct _RrTexture {
 144     RrTextureType type;
 145     RrTextureData data;
 146 };
 147
 148 struct _RrAppearance {
 149     const RrInstance *inst;
 150
 151     RrSurface surface;
 152     gint textures;
 153     RrTexture *texture;
 154     Pixmap pixmap;
 155     XftDraw *xftdraw;
 156
 157     /* cached for internal use */
 158     gint w, h;
 159 };
 160
 161 /* these are the same on all endian machines because it seems to be dependant
 162    on the endianness of the gfx card, not the cpu. */
 163 #define RrDefaultAlphaOffset 24
 164 #define RrDefaultRedOffset 16
 165 #define RrDefaultGreenOffset 8
 166 #define RrDefaultBlueOffset 0
 167
 168 RrInstance* RrInstanceNew (Display *display, gint screen);
 169 void        RrInstanceFree (RrInstance *inst);
 170
 171 Display* RrDisplay      (const RrInstance *inst);
 172 gint     RrScreen       (const RrInstance *inst);
 173 Window   RrRootWindow   (const RrInstance *inst);
 174 Visual*  RrVisual       (const RrInstance *inst);
 175 gint     RrDepth        (const RrInstance *inst);
 176 Colormap RrColormap     (const RrInstance *inst);
 177 gint     RrRedOffset    (const RrInstance *inst);
 178 gint     RrGreenOffset  (const RrInstance *inst);
 179 gint     RrBlueOffset   (const RrInstance *inst);
 180 gint     RrRedShift     (const RrInstance *inst);
 181 gint     RrGreenShift   (const RrInstance *inst);
 182 gint     RrBlueShift    (const RrInstance *inst);
 183 gint     RrRedMask      (const RrInstance *inst);
 184 gint     RrGreenMask    (const RrInstance *inst);
 185 gint     RrBlueMask     (const RrInstance *inst);
 186
 187 RrColor *RrColorNew   (const RrInstance *inst, gint r, gint g, gint b);
 188 RrColor *RrColorParse (const RrInstance *inst, gchar *colorname);
 189 void     RrColorFree  (RrColor *in);
 190
 191 gint     RrColorRed   (const RrColor *c);
 192 gint     RrColorGreen (const RrColor *c);
 193 gint     RrColorBlue  (const RrColor *c);
 194 gulong   RrColorPixel (const RrColor *c);
 195 GC       RrColorGC    (RrColor *c);
 196
 197 RrAppearance *RrAppearanceNew  (const RrInstance *inst, gint numtex);
 198 RrAppearance *RrAppearanceCopy (RrAppearance *a);
 199 void          RrAppearanceFree (RrAppearance *a);
 200
 201 int RrFontMeasureString (const RrFont *f, const gchar *str);
 202 int RrFontHeight        (const RrFont *f);
 203 int RrFontMaxCharWidth  (const RrFont *f);
 204
 205 void RrPaint   (RrAppearance *a, Window win, gint w, gint h);
 206 void RrMinsize (RrAppearance *a, gint *w, gint *h);
 207 void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b);
 208
 209 gboolean RrPixmapToRGBA(const RrInstance *inst,
 210                         Pixmap pmap, Pixmap mask,
 211                         gint *w, gint *h, RrPixel32 **data);
 212
 213 #endif /*__render_h*/