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 #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
  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_VERTICAL,
  65     RR_SURFACE_HORIZONTAL,
  66     RR_SURFACE_VERTICAL,
  67     RR_SURFACE_DIAGONAL,
  68     RR_SURFACE_CROSS_DIAGONAL,
  69     RR_SURFACE_PYRAMID,
  70     RR_SURFACE_MIRROR_HORIZONTAL
  71 } RrSurfaceColorType;
  72
  73 typedef enum {
  74     RR_TEXTURE_NONE,
  75     RR_TEXTURE_MASK,
  76     RR_TEXTURE_TEXT,
  77     RR_TEXTURE_LINE_ART,
  78     RR_TEXTURE_RGBA
  79 } RrTextureType;
  80
  81 typedef enum {
  82     RR_JUSTIFY_LEFT,
  83     RR_JUSTIFY_CENTER,
  84     RR_JUSTIFY_RIGHT
  85 } RrJustify;
  86
  87 typedef enum {
  88     RR_FONTWEIGHT_LIGHT,
  89     RR_FONTWEIGHT_NORMAL,
  90     RR_FONTWEIGHT_SEMIBOLD,
  91     RR_FONTWEIGHT_BOLD,
  92     RR_FONTWEIGHT_ULTRABOLD
  93 } RrFontWeight;
  94
  95 typedef enum {
  96     RR_FONTSLANT_NORMAL,
  97     RR_FONTSLANT_ITALIC,
  98     RR_FONTSLANT_OBLIQUE
  99 } RrFontSlant;
 100
 101 struct _RrSurface {
 102     RrSurfaceColorType grad;
 103     RrReliefType relief;
 104     RrBevelType bevel;
 105     RrColor *primary;
 106     RrColor *secondary;
 107     RrColor *border_color;
 108     RrColor *bevel_dark;
 109     RrColor *bevel_light;
 110     RrColor *interlace_color;
 111     gboolean interlaced;
 112     gboolean border;
 113     RrAppearance *parent;
 114     gint parentx;
 115     gint parenty;
 116     RrPixel32 *pixel_data;
 117 };
 118
 119 struct _RrTextureText {
 120     RrFont *font;
 121     RrJustify justify;
 122     RrColor *color;
 123     gchar *string;
 124     gint shadow_offset;
 125     gchar shadow_tint;
 126 };
 127
 128 struct _RrPixmapMask {
 129     const RrInstance *inst;
 130     Pixmap mask;
 131     gint width;
 132     gint height;
 133     gchar *data;
 134 };
 135
 136 struct _RrTextureMask {
 137     RrColor *color;
 138     RrPixmapMask *mask;
 139 };
 140
 141 struct _RrTextureRGBA {
 142     gint width;
 143     gint height;
 144     RrPixel32 *data;
 145 /* cached scaled so we don't have to scale often */
 146     gint cwidth;
 147     gint cheight;
 148     RrPixel32 *cache;
 149 };
 150
 151 struct _RrTextureLineArt {
 152     RrColor *color;
 153     gint x1;
 154     gint y1;
 155     gint x2;
 156     gint y2;
 157 };
 158
 159 union _RrTextureData {
 160     RrTextureRGBA rgba;
 161     RrTextureText text;
 162     RrTextureMask mask;
 163     RrTextureLineArt lineart;
 164 };
 165
 166 struct _RrTexture {
 167     RrTextureType type;
 168     RrTextureData data;
 169 };
 170
 171 struct _RrAppearance {
 172     const RrInstance *inst;
 173
 174     RrSurface surface;
 175     gint textures;
 176     RrTexture *texture;
 177     Pixmap pixmap;
 178     XftDraw *xftdraw;
 179
 180     /* cached for internal use */
 181     gint w, h;
 182 };
 183
 184 /* these are the same on all endian machines because it seems to be dependant
 185    on the endianness of the gfx card, not the cpu. */
 186 #define RrDefaultAlphaOffset 24
 187 #define RrDefaultRedOffset 16
 188 #define RrDefaultGreenOffset 8
 189 #define RrDefaultBlueOffset 0
 190
 191 #define RrDefaultFontFamily       "arial,sans"
 192 #define RrDefaultFontSize         8
 193 #define RrDefaultFontWeight       RR_FONTWEIGHT_NORMAL
 194 #define RrDefaultFontSlant        RR_FONTSLANT_NORMAL
 195
 196 RrInstance* RrInstanceNew (Display *display, gint screen);
 197 void        RrInstanceFree (RrInstance *inst);
 198
 199 Display* RrDisplay      (const RrInstance *inst);
 200 gint     RrScreen       (const RrInstance *inst);
 201 Window   RrRootWindow   (const RrInstance *inst);
 202 Visual*  RrVisual       (const RrInstance *inst);
 203 gint     RrDepth        (const RrInstance *inst);
 204 Colormap RrColormap     (const RrInstance *inst);
 205 gint     RrRedOffset    (const RrInstance *inst);
 206 gint     RrGreenOffset  (const RrInstance *inst);
 207 gint     RrBlueOffset   (const RrInstance *inst);
 208 gint     RrRedShift     (const RrInstance *inst);
 209 gint     RrGreenShift   (const RrInstance *inst);
 210 gint     RrBlueShift    (const RrInstance *inst);
 211 gint     RrRedMask      (const RrInstance *inst);
 212 gint     RrGreenMask    (const RrInstance *inst);
 213 gint     RrBlueMask     (const RrInstance *inst);
 214
 215 RrColor *RrColorNew   (const RrInstance *inst, gint r, gint g, gint b);
 216 RrColor *RrColorParse (const RrInstance *inst, gchar *colorname);
 217 void     RrColorFree  (RrColor *in);
 218
 219 gint     RrColorRed   (const RrColor *c);
 220 gint     RrColorGreen (const RrColor *c);
 221 gint     RrColorBlue  (const RrColor *c);
 222 gulong   RrColorPixel (const RrColor *c);
 223 GC       RrColorGC    (RrColor *c);
 224
 225 RrAppearance *RrAppearanceNew  (const RrInstance *inst, gint numtex);
 226 RrAppearance *RrAppearanceCopy (RrAppearance *a);
 227 void          RrAppearanceFree (RrAppearance *a);
 228
 229 RrFont *RrFontOpen          (const RrInstance *inst, gchar *name, gint size,
 230                              RrFontWeight weight, RrFontSlant slant);
 231 RrFont *RrFontOpenDefault   (const RrInstance *inst);
 232 void    RrFontClose         (RrFont *f);
 233 RrSize *RrFontMeasureString (const RrFont *f, const gchar *str,
 234                              gint shadow_offset);
 235 gint    RrFontHeight        (const RrFont *f, gint shadow_offset);
 236 gint    RrFontMaxCharWidth  (const RrFont *f);
 237
 238 void RrPaint   (RrAppearance *a, Window win, gint w, gint h);
 239 void RrMinsize (RrAppearance *a, gint *w, gint *h);
 240 void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b);
 241
 242 gboolean RrPixmapToRGBA(const RrInstance *inst,
 243                         Pixmap pmap, Pixmap mask,
 244                         gint *w, gint *h, RrPixel32 **data);
 245
 246 G_END_DECLS
 247
 248 #endif /*__render_h*/