Dogcows Code - chaz/openbox/blob - otk/texture.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 extern "C" {
   8 #include <stdio.h>
   9 #ifdef HAVE_CTYPE_H
  10 #include <ctype.h>
  11 #endif
  12 }
  13
  14 #include <assert.h>
  15
  16 #include "texture.hh"
  17 #include "display.hh"
  18 #include "image.hh"
  19
  20 using std::string;
  21
  22 namespace otk {
  23
  24 BTexture::BTexture(unsigned int _screen, BImageControl* _ctrl)
  25   : c(_screen), ct(_screen),
  26     lc(_screen), sc(_screen), bc(_screen), t(0),
  27     ctrl(_ctrl), scrn(_screen) { }
  28
  29
  30 BTexture::BTexture(const string &d,unsigned int _screen, BImageControl* _ctrl)
  31   : c(_screen), ct(_screen),
  32     lc(_screen), sc(_screen), bc(_screen), t(0),
  33     ctrl(_ctrl), scrn(_screen) {
  34   setDescription(d);
  35 }
  36
  37
  38 void BTexture::setColor(const BColor &cc) {
  39   c = cc;
  40   c.setScreen(screen());
  41
  42   unsigned char r, g, b, rr, gg, bb;
  43
  44   // calculate the light color
  45   r = c.red();
  46   g = c.green();
  47   b = c.blue();
  48   rr = r + (r >> 1);
  49   gg = g + (g >> 1);
  50   bb = b + (b >> 1);
  51   if (rr < r) rr = ~0;
  52   if (gg < g) gg = ~0;
  53   if (bb < b) bb = ~0;
  54   lc = BColor(rr, gg, bb, screen());
  55
  56   // calculate the shadow color
  57   r = c.red();
  58   g = c.green();
  59   b = c.blue();
  60   rr = (r >> 2) + (r >> 1);
  61   gg = (g >> 2) + (g >> 1);
  62   bb = (b >> 2) + (b >> 1);
  63   if (rr > r) rr = 0;
  64   if (gg > g) gg = 0;
  65   if (bb > b) bb = 0;
  66   sc = BColor(rr, gg, bb, screen());
  67 }
  68
  69
  70 void BTexture::setDescription(const string &d) {
  71   descr.erase();
  72   descr.reserve(d.length());
  73
  74   string::const_iterator it = d.begin(), end = d.end();
  75   for (; it != end; ++it)
  76     descr += tolower(*it);
  77
  78   if (descr.find("parentrelative") != string::npos) {
  79     setTexture(BTexture::Parent_Relative);
  80   } else {
  81     setTexture(0);
  82
  83     if (descr.find("gradient") != string::npos) {
  84       addTexture(BTexture::Gradient);
  85       if (descr.find("crossdiagonal") != string::npos)
  86         addTexture(BTexture::CrossDiagonal);
  87       else if (descr.find("rectangle") != string::npos)
  88         addTexture(BTexture::Rectangle);
  89       else if (descr.find("pyramid") != string::npos)
  90         addTexture(BTexture::Pyramid);
  91       else if (descr.find("pipecross") != string::npos)
  92         addTexture(BTexture::PipeCross);
  93       else if (descr.find("elliptic") != string::npos)
  94         addTexture(BTexture::Elliptic);
  95       else if (descr.find("horizontal") != string::npos)
  96         addTexture(BTexture::Horizontal);
  97       else if (descr.find("vertical") != string::npos)
  98         addTexture(BTexture::Vertical);
  99       else
 100         addTexture(BTexture::Diagonal);
 101     } else {
 102       addTexture(BTexture::Solid);
 103     }
 104
 105     if (descr.find("sunken") != string::npos)
 106       addTexture(BTexture::Sunken);
 107     else if (descr.find("flat") != string::npos)
 108       addTexture(BTexture::Flat);
 109     else
 110       addTexture(BTexture::Raised);
 111
 112     if (texture() & BTexture::Flat) {
 113       if (descr.find("border") != string::npos)
 114         addTexture(BTexture::Border);
 115     } else {
 116       if (descr.find("bevel2") != string::npos)
 117         addTexture(BTexture::Bevel2);
 118       else
 119         addTexture(BTexture::Bevel1);
 120     }
 121
 122     if (descr.find("interlaced") != string::npos)
 123       addTexture(BTexture::Interlaced);
 124   }
 125 }
 126
 127 void BTexture::setScreen(const unsigned int _screen) {
 128   if (_screen == screen()) {
 129     // nothing to do
 130     return;
 131   }
 132
 133   scrn = _screen;
 134   c.setScreen(_screen);
 135   ct.setScreen(_screen);
 136   lc.setScreen(_screen);
 137   sc.setScreen(_screen);
 138   bc.setScreen(_screen);
 139 }
 140
 141
 142 BTexture& BTexture::operator=(const BTexture &tt) {
 143   c  = tt.c;
 144   ct = tt.ct;
 145   lc = tt.lc;
 146   sc = tt.sc;
 147   bc = tt.bc;
 148   descr = tt.descr;
 149   t  = tt.t;
 150   scrn = tt.scrn;
 151   ctrl = tt.ctrl;
 152
 153   return *this;
 154 }
 155
 156
 157 Pixmap BTexture::render(const unsigned int width, const unsigned int height,
 158                         const Pixmap old) {
 159   assert(texture() != BTexture::NoTexture);
 160
 161   if (texture() == (BTexture::Flat | BTexture::Solid))
 162     return None;
 163   if (texture() == BTexture::Parent_Relative)
 164     return ParentRelative;
 165
 166   if (screen() == ~(0u))
 167     scrn = DefaultScreen(OBDisplay::display);
 168
 169   assert(ctrl != 0);
 170   Pixmap ret = ctrl->renderImage(width, height, *this);
 171
 172   if (old)
 173     ctrl->removeImage(old);
 174
 175   return ret;
 176 }
 177
 178 }