Dogcows Code - chaz/openbox/blob - otk/rendercontrol.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #ifdef    HAVE_CONFIG_H
   4 #  include "../config.h"
   5 #endif // HAVE_CONFIG_H
   6
   7 #include "rendercontrol.hh"
   8 #include "truerendercontrol.hh"
   9 #include "pseudorendercontrol.hh"
  10 #include "rendertexture.hh"
  11 #include "rendercolor.hh"
  12 #include "display.hh"
  13 #include "screeninfo.hh"
  14 #include "surface.hh"
  15 #include "font.hh"
  16 #include "ustring.hh"
  17
  18 extern "C" {
  19 #ifdef    HAVE_STDLIB_H
  20 #  include <stdlib.h>
  21 #endif // HAVE_STDLIB_H
  22
  23 #include "../src/gettext.h"
  24 #define _(str) gettext(str)
  25 }
  26
  27 namespace otk {
  28
  29 RenderControl *RenderControl::getRenderControl(int screen)
  30 {
  31   // get the visual on the screen and return the correct type of RenderControl
  32   int vclass = display->screenInfo(screen)->visual()->c_class;
  33   switch (vclass) {
  34   case TrueColor:
  35     return new TrueRenderControl(screen);
  36   case PseudoColor:
  37   case StaticColor:
  38     return new PseudoRenderControl(screen);
  39   case GrayScale:
  40   case StaticGray:
  41 //    return new GrayRenderControl(screen);
  42   default:
  43     printf(_("RenderControl: Unsupported visual %d specified. Aborting.\n"),
  44            vclass);
  45     ::exit(1);
  46   }
  47 }
  48
  49 RenderControl::RenderControl(int screen)
  50   : _screen(screen)
  51 {
  52   printf("Initializing RenderControl\n");
  53
  54
  55 }
  56
  57 RenderControl::~RenderControl()
  58 {
  59   printf("Destroying RenderControl\n");
  60
  61
  62 }
  63
  64 void RenderControl::drawRoot(const RenderColor &color) const
  65 {
  66   Window root = display->screenInfo(_screen)->rootWindow();
  67   XSetWindowBackground(**display, root, color.pixel());
  68   XClearWindow(**display, root);
  69 }
  70
  71 void RenderControl::drawString(Surface& sf, const Font &font, int x, int y,
  72                                const RenderColor &color,
  73                                const ustring &string) const
  74 {
  75   assert(sf._screen == _screen);
  76   XftDraw *d = sf._xftdraw;
  77   assert(d); // this means that the background hasn't been rendered yet!
  78
  79   if (font._shadow) {
  80     XftColor c;
  81     c.color.red = 0;
  82     c.color.green = 0;
  83     c.color.blue = 0;
  84     c.color.alpha = font._tint | font._tint << 8; // transparent shadow
  85     c.pixel = BlackPixel(**display, _screen);
  86
  87     if (string.utf8())
  88       XftDrawStringUtf8(d, &c, font._xftfont, x + font._offset,
  89                         font._xftfont->ascent + y + font._offset,
  90                         (FcChar8*)string.c_str(), string.bytes());
  91     else
  92       XftDrawString8(d, &c, font._xftfont, x + font._offset,
  93                      font._xftfont->ascent + y + font._offset,
  94                      (FcChar8*)string.c_str(), string.bytes());
  95   }
  96
  97   XftColor c;
  98   c.color.red = color.red() | color.red() << 8;
  99   c.color.green = color.green() | color.green() << 8;
 100   c.color.blue = color.blue() | color.blue() << 8;
 101   c.pixel = color.pixel();
 102   c.color.alpha = 0xff | 0xff << 8; // no transparency in Color yet
 103
 104   if (string.utf8())
 105     XftDrawStringUtf8(d, &c, font._xftfont, x, font._xftfont->ascent + y,
 106                       (FcChar8*)string.c_str(), string.bytes());
 107   else
 108     XftDrawString8(d, &c, font._xftfont, x, font._xftfont->ascent + y,
 109                    (FcChar8*)string.c_str(), string.bytes());
 110   return;
 111 }
 112
 113 void RenderControl::drawSolidBackground(Surface& sf,
 114                                         const RenderTexture& texture) const
 115 {
 116   assert(_screen == sf._screen);
 117   assert(_screen == texture.color().screen());
 118
 119   if (texture.parentRelative()) return;
 120
 121   sf.setPixmap(texture.color());
 122
 123   int width = sf.width(), height = sf.height();
 124   int left = 0, top = 0, right = width - 1, bottom = height - 1;
 125
 126   if (texture.interlaced())
 127     for (int i = 0; i < height; i += 2)
 128       XDrawLine(**display, sf.pixmap(), texture.interlaceColor().gc(),
 129                 0, i, width, i);
 130
 131   switch (texture.relief()) {
 132   case RenderTexture::Raised:
 133     switch (texture.bevel()) {
 134     case RenderTexture::Bevel1:
 135       XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
 136                 left, bottom, right, bottom);
 137       XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
 138                 right, bottom, right, top);
 139
 140       XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
 141                 left, top, right, top);
 142       XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
 143                 left, bottom, left, top);
 144       break;
 145     case RenderTexture::Bevel2:
 146       XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
 147                 left + 1, bottom - 2, right - 2, bottom - 2);
 148       XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
 149                 right - 2, bottom - 2, right - 2, top + 1);
 150
 151       XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
 152                 left + 1, top + 1, right - 2, top + 1);
 153       XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
 154                 left + 1, bottom - 2, left + 1, top + 1);
 155       break;
 156     default:
 157       assert(false); // unhandled RenderTexture::BevelType
 158     }
 159     break;
 160   case RenderTexture::Sunken:
 161     switch (texture.bevel()) {
 162     case RenderTexture::Bevel1:
 163       XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
 164                 left, bottom, right, bottom);
 165       XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
 166                 right, bottom, right, top);
 167
 168       XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
 169                 left, top, right, top);
 170       XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
 171                 left, bottom, left, top);
 172       break;
 173     case RenderTexture::Bevel2:
 174       XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
 175                 left + 1, bottom - 2, right - 2, bottom - 2);
 176       XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
 177                 right - 2, bottom - 2, right - 2, top + 1);
 178
 179       XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
 180                 left + 1, top + 1, right - 2, top + 1);
 181       XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
 182                 left + 1, bottom - 2, left + 1, top + 1);
 183       break;
 184     default:
 185       assert(false); // unhandled RenderTexture::BevelType
 186     }
 187     break;
 188   case RenderTexture::Flat:
 189     if (texture.border())
 190       XDrawRectangle(**display, sf.pixmap(), texture.borderColor().gc(),
 191                      left, top, right, bottom);
 192     break;
 193   default:
 194     assert(false); // unhandled RenderTexture::ReliefType
 195   }
 196 }
 197
 198 }