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<h1>plpixel16.h</h1><div class="fragment"><pre>00001 <span class="comment">/*</span>
00002 <span class="comment">/--------------------------------------------------------------------</span>
00003 <span class="comment">|</span>
00004 <span class="comment">| $Id: plpixel16_8h-source.html,v 1.2 2004/09/15 15:26:32 uzadow Exp $</span>
00005 <span class="comment">|</span>
00006 <span class="comment">| Copyright (c) 1996-2002 Ulrich von Zadow</span>
00007 <span class="comment">|</span>
00008 <span class="comment">\--------------------------------------------------------------------</span>
00009 <span class="comment">*/</span>
00010
00011 <span class="preprocessor">#ifndef INCL_PLPIXEL16</span>
00012 <span class="preprocessor"></span><span class="preprocessor">#define INCL_PLPIXEL16</span>
00013 <span class="preprocessor"></span>
00014 <span class="preprocessor">#include <math.h></span>
00015
00016 <span class="preprocessor">#include "plpixeldefs.h"</span>
00017 <span class="preprocessor">#include "<a class="code" href="plpaintlibdefs_8h.html">plpaintlibdefs.h</a>"</span>
00018 <span class="comment"></span>
00019 <span class="comment">//! 16 bit pixel class. A pixel in this class contains 5 bits of</span>
00020 <span class="comment">//! red, 6 of green and 5 of blue (in that order). The order of the </span>
00021 <span class="comment">//! color components is</span>
00022 <span class="comment">//! OS-dependent and defined in plpixeldefs.h. This class is meant to be</span>
00023 <span class="comment">//! fast, so all methods are inlined.</span>
<a name="l00024"></a><a class="code" href="classPLPixel16.html">00024</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="classPLPixel16.html">PLPixel16</a>
00025 {
00026 <span class="keyword">public</span>:<span class="comment"></span>
00027 <span class="comment"> //!</span>
00028 <span class="comment"></span> <a class="code" href="classPLPixel16.html">PLPixel16</a> ();<span class="comment"></span>
00029 <span class="comment"> //!</span>
00030 <span class="comment"></span> <a class="code" href="classPLPixel16.html">PLPixel16</a> (PLBYTE r, PLBYTE g, PLBYTE b);<span class="comment"></span>
00031 <span class="comment"> //!</span>
00032 <span class="comment"></span> <span class="keywordtype">void</span> Set (PLBYTE r, PLBYTE g, PLBYTE b);<span class="comment"></span>
00033 <span class="comment"> //!</span>
00034 <span class="comment"></span> <span class="keywordtype">void</span> SetR (PLBYTE r);<span class="comment"></span>
00035 <span class="comment"> //!</span>
00036 <span class="comment"></span> <span class="keywordtype">void</span> SetG (PLBYTE g);<span class="comment"></span>
00037 <span class="comment"> //!</span>
00038 <span class="comment"></span> <span class="keywordtype">void</span> SetB (PLBYTE b);<span class="comment"></span>
00039 <span class="comment"> //!</span>
00040 <span class="comment"></span> PLBYTE GetR () <span class="keyword">const</span>;<span class="comment"></span>
00041 <span class="comment"> //!</span>
00042 <span class="comment"></span> PLBYTE GetG () <span class="keyword">const</span>;<span class="comment"></span>
00043 <span class="comment"> //!</span>
00044 <span class="comment"></span> PLBYTE GetB () <span class="keyword">const</span>;
00045 <span class="comment"></span>
00046 <span class="comment"> //!</span>
00047 <span class="comment"></span> <a class="code" href="classPLPixel16.html">PLPixel16</a> operator = (<span class="keyword">const</span> <a class="code" href="classPLPixel32.html">PLPixel32</a>& Pix);
00048 <span class="comment"></span>
00049 <span class="comment"> //!</span>
00050 <span class="comment"></span> operator PLPixel32 () <span class="keyword">const</span>;
00051 <span class="comment"></span>
00052 <span class="comment"> //!</span>
00053 <span class="comment"></span> <a class="code" href="classPLPixel16.html">PLPixel16</a> operator = (<span class="keyword">const</span> <a class="code" href="classPLPixel24.html">PLPixel24</a>& Pix);
00054 <span class="comment"></span>
00055 <span class="comment"> //!</span>
00056 <span class="comment"></span> operator PLPixel24 () <span class="keyword">const</span>;
00057 <span class="comment"></span>
00058 <span class="comment"> //!</span>
00059 <span class="comment"></span> <span class="keywordtype">bool</span> operator ==(<span class="keyword">const</span> <a class="code" href="classPLPixel16.html">PLPixel16</a> Pix) <span class="keyword">const</span>;
00060 <span class="comment"></span>
00061 <span class="comment"> //!</span>
00062 <span class="comment"></span> <span class="keywordtype">bool</span> operator !=(<span class="keyword">const</span> <a class="code" href="classPLPixel16.html">PLPixel16</a> Pix) <span class="keyword">const</span>;
00063 <span class="comment"></span>
00064 <span class="comment"> //! Simple and fast 'distance' between two pixels. Just adds the</span>
00065 <span class="comment"> //! distances between the color components and treats colors</span>
00066 <span class="comment"> //! equally.</span>
00067 <span class="comment"></span> <span class="keywordtype">int</span> <a class="code" href="classPLPixel16.html#a15">BoxDist</a> (<span class="keyword">const</span> <a class="code" href="classPLPixel16.html">PLPixel16</a> Pix) <span class="keyword">const</span>;
00068
00069 <span class="keyword">private</span>:
00070 PLWORD m_Data;
00071 };
00072
00073 <span class="keyword">inline</span> PLPixel16::PLPixel16()
00074 {
00075 }
00076
00077
00078 <span class="keyword">inline</span> PLPixel16::PLPixel16(PLBYTE r, PLBYTE g, PLBYTE b)
00079 {
00080 Set (r, g, b);
00081 }
00082
00083
00084 <span class="keyword">inline</span> <span class="keywordtype">void</span> PLPixel16::Set (PLBYTE r, PLBYTE g, PLBYTE b)
00085 {
00086 <span class="preprocessor">#ifdef PL_PIXEL_BGRA_ORDER</span>
00087 <span class="preprocessor"></span> m_Data = ((r&0xF8) << 8) | ((g&0xFC) << 3) | (b>>3);
00088 <span class="preprocessor">#else</span>
00089 <span class="preprocessor"></span> m_Data = (b&0xF8) << 8 | ((g&0xFC) << 3) | (r>>3);
00090 <span class="preprocessor">#endif </span>
00091 <span class="preprocessor"></span>}
00092
00093 <span class="keyword">inline</span> <span class="keywordtype">void</span> PLPixel16::SetR(PLBYTE r)
00094 {
00095 <span class="preprocessor">#ifdef PL_PIXEL_BGRA_ORDER</span>
00096 <span class="preprocessor"></span> m_Data = (m_Data&0x07FF)|((r&0xF8)<<8);
00097 <span class="preprocessor">#else</span>
00098 <span class="preprocessor"></span> m_Data = (m_Data&0xFFE0)|(r>>3);
00099 <span class="preprocessor">#endif</span>
00100 <span class="preprocessor"></span>}
00101
00102 <span class="keyword">inline</span> <span class="keywordtype">void</span> PLPixel16::SetG(PLBYTE g)
00103 {
00104 m_Data = (m_Data&0xF81F)|((g&0xFC)<<3);
00105 }
00106
00107
00108 <span class="keyword">inline</span> <span class="keywordtype">void</span> PLPixel16::SetB(PLBYTE b)
00109 {
00110 <span class="preprocessor">#ifdef PL_PIXEL_BGRA_ORDER</span>
00111 <span class="preprocessor"></span> m_Data = (m_Data&0xFFE0)|(b>>3);
00112 <span class="preprocessor">#else</span>
00113 <span class="preprocessor"></span> m_Data = (m_Data&0x07FF)|((b&0xF8)<<8);
00114 <span class="preprocessor">#endif</span>
00115 <span class="preprocessor"></span>}
00116
00117 <span class="keyword">inline</span> PLBYTE PLPixel16::GetR()<span class="keyword"> const</span>
00118 <span class="keyword"></span>{
00119 <span class="preprocessor">#ifdef PL_PIXEL_BGRA_ORDER</span>
00120 <span class="preprocessor"></span> <span class="keywordflow">return</span> (m_Data&0xF800)>>8;
00121 <span class="preprocessor">#else</span>
00122 <span class="preprocessor"></span> <span class="keywordflow">return</span> (m_Data&0x001F)<<3;
00123 <span class="preprocessor">#endif </span>
00124 <span class="preprocessor"></span>}
00125
00126
00127 <span class="keyword">inline</span> PLBYTE PLPixel16::GetG()<span class="keyword"> const</span>
00128 <span class="keyword"></span>{
00129 <span class="keywordflow">return</span> (m_Data&0x07E0)>>3;
00130 }
00131
00132 <span class="keyword">inline</span> PLBYTE PLPixel16::GetB()<span class="keyword"> const</span>
00133 <span class="keyword"></span>{
00134 <span class="preprocessor">#ifdef PL_PIXEL_BGRA_ORDER</span>
00135 <span class="preprocessor"></span> <span class="keywordflow">return</span> (m_Data&0x001F)<<3;
00136 <span class="preprocessor">#else</span>
00137 <span class="preprocessor"></span> <span class="keywordflow">return</span> (m_Data&0xF800)>>8;
00138 <span class="preprocessor">#endif </span>
00139 <span class="preprocessor"></span>}
00140
00141 <span class="keyword">inline</span> <a class="code" href="classPLPixel16.html">PLPixel16</a> PLPixel16::operator = (<span class="keyword">const</span> <a class="code" href="classPLPixel32.html">PLPixel32</a>& Pix)
00142 {
00143 m_Data = PLWORD((((*(<span class="keyword">const</span> PLLONG*)&Pix) & 0xF80000) >> 8) |
00144 (((*(<span class="keyword">const</span> PLLONG*)&Pix) & 0x00FC00) >> 5) |
00145 (((*(<span class="keyword">const</span> PLLONG*)&Pix) & 0x0000F8) >> 3));
00146
00147 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
00148 }
00149
00150 <span class="keyword">inline</span> PLPixel16::operator PLPixel32 ()<span class="keyword"> const</span>
00151 <span class="keyword"></span>{
00152 <span class="comment">// TODO: Make faster.</span>
00153 <span class="keywordflow">return</span> <a class="code" href="classPLPixel32.html">PLPixel32</a> (GetR(), GetG(), GetB(), 255);
00154 }
00155
00156 <span class="keyword">inline</span> <a class="code" href="classPLPixel16.html">PLPixel16</a> PLPixel16::operator = (<span class="keyword">const</span> <a class="code" href="classPLPixel24.html">PLPixel24</a>& Pix)
00157 {
00158 Set (Pix.<a class="code" href="classPLPixel24.html#a6">GetR</a>(), Pix.<a class="code" href="classPLPixel24.html#a7">GetG</a>(), Pix.<a class="code" href="classPLPixel24.html#a8">GetB</a>());
00159
00160 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
00161 }
00162
00163 <span class="keyword">inline</span> PLPixel16::operator PLPixel24 ()<span class="keyword"> const</span>
00164 <span class="keyword"></span>{
00165 <span class="comment">// TODO: Make faster. </span>
00166 <span class="keywordflow">return</span> <a class="code" href="classPLPixel24.html">PLPixel24</a> (GetR(), GetG(), GetB());
00167 }
00168
<a name="l00169"></a><a class="code" href="classPLPixel16.html#a15">00169</a> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classPLPixel16.html#a15">PLPixel16::BoxDist</a> (<span class="keyword">const</span> <a class="code" href="classPLPixel16.html">PLPixel16</a> Pix)<span class="keyword"> const</span>
00170 <span class="keyword"></span>{
00171 <span class="keywordflow">return</span> (abs ((<span class="keywordtype">int</span>)GetR()-Pix.<a class="code" href="classPLPixel16.html#a6">GetR</a>()) +
00172 abs ((<span class="keywordtype">int</span>)GetG()-Pix.<a class="code" href="classPLPixel16.html#a7">GetG</a>()) +
00173 abs ((<span class="keywordtype">int</span>)GetB()-Pix.<a class="code" href="classPLPixel16.html#a8">GetB</a>()));
00174 }
00175
00176 <span class="keyword">inline</span> <span class="keywordtype">bool</span> PLPixel16::operator ==(<span class="keyword">const</span> <a class="code" href="classPLPixel16.html">PLPixel16</a> Pix)<span class="keyword"> const</span>
00177 <span class="keyword"></span>{
00178 <span class="keywordflow">return</span> (*(<span class="keyword">const</span> PLWORD *)<span class="keyword">this</span> == *(<span class="keyword">const</span> PLWORD*)&Pix);
00179 }
00180
00181 <span class="keyword">inline</span> <span class="keywordtype">bool</span> PLPixel16::operator !=(<span class="keyword">const</span> <a class="code" href="classPLPixel16.html">PLPixel16</a> Pix)<span class="keyword"> const</span>
00182 <span class="keyword"></span>{
00183 <span class="keywordflow">return</span> (!(*<span class="keyword">this</span> == Pix));
00184 }
00185
00186
00187 <span class="preprocessor">#endif</span>
00188 <span class="preprocessor"></span>
00189 <span class="comment">/*</span>
00190 <span class="comment">/--------------------------------------------------------------------</span>
00191 <span class="comment">|</span>
00192 <span class="comment">| $Log: plpixel16_8h-source.html,v $
00192 <span class="comment">| Revision 1.2 2004/09/15 15:26:32 uzadow
00192 <span class="comment">| Linux compatibility changes, doc update.
00192 <span class="comment">|</span>
00193 <span class="comment">| Revision 1.3 2004/06/13 20:20:33 uzadow</span>
00194 <span class="comment">| no message</span>
00195 <span class="comment">|</span>
00196 <span class="comment">| Revision 1.2 2004/06/09 21:34:53 uzadow</span>
00197 <span class="comment">| Added 16 bpp support to plbitmap, planybmp and pldirectfbbmp</span>
00198 <span class="comment">|</span>
00199 <span class="comment">| Revision 1.1 2004/06/09 20:27:48 uzadow</span>
00200 <span class="comment">| Added 16 bpp pixel class.</span>
00201 <span class="comment">|</span>
00202 <span class="comment">|</span>
00203 <span class="comment">\--------------------------------------------------------------------</span>
00204 <span class="comment">*/</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Sep 13 16:16:40 2004 for paintlib by
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