📄 chp4.htm
字号:
lang=ZH-CN style='font-size:10.5pt'>抖动表</span><span style='font-size:10.5pt;
font-family:"Times New Roman"'>)</span><span lang=ZH-CN style='font-size:10.5pt'>阵得到的；图</span><span
style='font-size:10.5pt;font-family:"Times New Roman"'>6</span><span
lang=ZH-CN style='font-size:10.5pt'>是使用</span><span style='font-size:10.5pt;
font-family:"Times New Roman"'>M<sub>4</sub></span><span lang=ZH-CN
style='font-size:10.5pt'>阵得到的，可见两者的差别并不是很大，所以一般用</span><span style='font-size:
10.5pt;font-family:"Times New Roman"'>Bayer</span><span lang=ZH-CN
style='font-size:10.5pt'>表就可以了。</span><span style='font-size:10.5pt;font-family:
"Times New Roman"'><o:p></o:p></span></p>
<p align=center style='margin:0cm;margin-bottom:.0001pt;text-align:center;
line-height:18.0pt'><span style='font-size:10.5pt;font-family:"Times New Roman"'><!--[if gte vml 1]><v:shape
id="_x0000_i1032" type="#_x0000_t75" alt="" style='width:306.75pt;height:194.25pt'>
<v:imagedata src="./chp4.files/image008.gif" o:href="http://www-scf.usc.edu/~flv/ipbook/chap04.files/image012.gif"/>
</v:shape><![endif]--><![if !vml]><img width=409 height=259
src="./chp4.files/image008.gif" v:shapes="_x0000_i1032"><![endif]><o:p></o:p></span></p>
<p align=center style='margin:0cm;margin-bottom:.0001pt;text-align:center;
line-height:18.0pt'><b><span lang=ZH-CN style='font-size:10.5pt'>图</span></b><b><span
style='font-size:10.5pt;font-family:"Times New Roman"'>4.5
</span></b><b><span lang=ZH-CN style='font-size:10.5pt'>利用</span></b><b><span
style='font-size:10.5pt;font-family:"Times New Roman"'>M3</span></b><b><span
lang=ZH-CN style='font-size:10.5pt'>抖动生成的图</span></b><span style='font-size:
10.5pt;font-family:"Times New Roman"'><o:p></o:p></span></p>
<p align=center style='margin:0cm;margin-bottom:.0001pt;text-align:center;
line-height:18.0pt'><b><span style='font-size:10.5pt;font-family:"Times New Roman"'><!--[if gte vml 1]><v:shape
id="_x0000_i1033" type="#_x0000_t75" alt="" style='width:306.75pt;height:194.25pt'>
<v:imagedata src="./chp4.files/image009.gif" o:href="http://www-scf.usc.edu/~flv/ipbook/chap04.files/image013.gif"/>
</v:shape><![endif]--><![if !vml]><img width=409 height=259
src="./chp4.files/image009.gif" v:shapes="_x0000_i1033"><![endif]></span></b><span
style='font-size:10.5pt;font-family:"Times New Roman"'><o:p></o:p></span></p>
<p align=center style='margin:0cm;margin-bottom:.0001pt;text-align:center;
line-height:18.0pt'><b><span lang=ZH-CN style='font-size:10.5pt'>图</span></b><b><span
style='font-size:10.5pt;font-family:"Times New Roman"'>4.6
</span></b><b><span lang=ZH-CN style='font-size:10.5pt'>利用</span></b><b><span
style='font-size:10.5pt;font-family:"Times New Roman"'>M4</span></b><b><span
lang=ZH-CN style='font-size:10.5pt'>抖动生成的图</span></b><span style='font-size:
10.5pt;font-family:"Times New Roman"'><o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span lang=ZH-CN style='font-size:10.5pt'>下面是算法的源程序，是针对</span><span
style='font-size:10.5pt;font-family:"Times New Roman"'>Bayer</span><span
lang=ZH-CN style='font-size:10.5pt'>表的。因为它是个常用的表，我们不再利用</span><span
style='font-size:10.5pt;font-family:"Times New Roman"'>Limb</span><span
lang=ZH-CN style='font-size:10.5pt'>公式，而是直接给出。针对</span><span style='font-size:
10.5pt;font-family:"Times New Roman"'>M<sub>4</sub></span><span lang=ZH-CN
style='font-size:10.5pt'>阵的算法是类似的，不同的地方在于，要用</span><span style='font-size:10.5pt;
font-family:"Times New Roman"'>Limb</span><span lang=ZH-CN style='font-size:
10.5pt'>公式得到</span><span style='font-size:10.5pt;font-family:"Times New Roman"'>M<sub>4</sub></span><span
lang=ZH-CN style='font-size:10.5pt'>阵，灰度也不用右移</span><span style='font-size:
10.5pt;font-family:"Times New Roman"'>2</span><span lang=ZH-CN
style='font-size:10.5pt'>位。要注意的是，为了处理的方便，我们的结果图仍采用</span><span
style='font-size:10.5pt;font-family:"Times New Roman"'>256</span><span
lang=ZH-CN style='font-size:10.5pt'>级灰度图，不过只用到了</span><span style='font-size:
10.5pt;font-family:"Times New Roman"'>0</span><span lang=ZH-CN
style='font-size:10.5pt'>和</span><span style='font-size:10.5pt;font-family:
"Times New Roman"'>255</span><span lang=ZH-CN style='font-size:10.5pt'>两种灰度。</span><span
style='font-size:10.5pt;font-family:"Times New Roman"'><o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>BYTE BayerPattern[8][8]={ 0,32,8,40,2,34,10,42,<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>48,16,56,24,50,18,58,26,<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>
12,44,4,36,14,46,6,38,<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>
60,28,52,20,62,30,54,22,<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>
3,35,11,43,1,33,9,41,<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>
51,19,59,27,49,17,57,25,<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>
15,47,7,39,13,45,5,37,<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>
63,31,55,23,61,29,53,21};<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>BOOL LimbPatternM3(HWND hWnd)<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>{<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>DWORD
OffBits,BufSize<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>LPBITMAPINFOHEADER lpImgData;<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>LPSTR
lpPtr;<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>HLOCAL
hTempImgData;<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>LPBITMAPINFOHEADER lpTempImgData;<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>LPSTR
lpTempPtr;<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>HDC
hDc;<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>HFILE
hf;<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>LONG
x,y;<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>unsigned
char
num;<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>OffBits=bf.bfOffBits-sizeof(BITMAPFILEHEADER);<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>BufSize=OffBits+bi.biHeight*LineBytes;//</span><span
lang=ZH-CN style='font-size:10.5pt'>要开的缓冲区大小</span><span style='font-size:10.5pt;
font-family:"Times New Roman"'><o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>if((hTempImgData=LocalAlloc(LHND,BufSize))==NULL)<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>{<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>MessageBox(hWnd,"Error alloc memory!","Error
Message",MB_OK|<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>MB_ICONEXCLAMATION);<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'> return FALSE;<o:p></o:p></span></p>
<p style='margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:
inter-ideograph;line-height:18.0pt'><span style='font-size:10.5pt;font-family:
"Times New Roman"'>}<o:p></o:p></span></p>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -