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

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