13、io?.h>
#inclu?de
#inclu?de /*textc?olor,clrsc?r,where?x.y等的頭文?件*/
#inclu?de
#inclu?de /*鍵盤(pán)*/
#inclu?de /*時(shí)間函數(shù)*/
#defin?e key_d?own 80 /*鍵盤(pán)值*/
#defin?e key_u?p 72
#defin?
14、e key_e?sc 1
#defin?e key_e?nter 28
int get_k?ey(); /*獲取鍵盤(pán)值?函數(shù)*/
int width? = 500, heigh?t = 500; /*圖形坐標(biāo)系?的大小*/
int left = 20, top = 20;
void save(); /*保存圖像函?數(shù)*/
void load(); /*打開(kāi)圖像函?數(shù)*/
void main()
{
15、
int m,n,radiu?s,form,hue,key,y; /*m,n 分別代表l?inest?yle數(shù)組?中的元素次?序和元素在?屏幕中的縱?坐標(biāo)*/
/*radiu?s代表所畫(huà)?曲線的粗細(xì)?*/
/* form代?表所畫(huà)曲線?的形式*/
/* hue代表?曲線的顏色?
16、*/
/* key代表?鍵盤(pán)值*/
/* y代表首頁(yè)?界面中字符?屏幕的縱坐?標(biāo)*/
int gdriv?er, gmode?, i, j,num,time; /*grive?r,gmode?代表初始化?圖形系統(tǒng)中?的變量*/
/*i,j代表構(gòu)建?坐標(biāo)系時(shí)表?格的寬度與?高度*/
/*num
17、代表?坐標(biāo)系中的?坐標(biāo)刻度*/
/*time代?表坐標(biāo)刻度?的縱軸刻度?*/
float? abc,ord,zong,hen,heng; /*abc代表?畫(huà)曲線時(shí)依?次取得的自?變量的值*/
/*ord代表?所畫(huà)曲線的?應(yīng)變量*/
/*zong,heng代?表曲線的頂?點(diǎn)坐
18、標(biāo)*/
char buf[20*20*4]; /*buf代表?緩沖區(qū)的存?儲(chǔ)量*/
char*homep?age[]={"Enter?","Exit"}; / *首界面的“進(jìn)入”與“退出*/
char*menu[]={"Param?eter ", "Thick?ness Of Curve?", "Color?"}; /*各個(gè)對(duì)話框?的內(nèi)容*/
char *argum?ent[]={ "value? of a ", "value? of b ", "value? of c "}; /*在第
19、一個(gè)對(duì)?話框中輸入?函數(shù)參數(shù)的?值*/
char *facto?r[]={"a","b","c"}; /* 函數(shù)參數(shù)的?儲(chǔ)存地址*/ /* char *lines?tyle[]={"SOLID?_LINE? = 0","DOTTE?D_LIN?E = 1","CENTE?R_LIN?E = 2","DASHE?D_LIN?E = 3","USERB
20、?IT_LI?NE = 4"}; /*在第二個(gè)對(duì)?話框中輸入?所畫(huà)曲線的?形式*/
char *color?[]={"black?","blue","green?","bluis?h green?","brown?","purpl?e","daris? yello?w", /*在第三 "gray"}; /*第三個(gè)個(gè)
21、對(duì)?話框中輸入?曲線的顏色?*/
textb?ackgr?ound(3); /*構(gòu)建首界面?*/ /* textc?olor(0); /*設(shè)置字符模?式下的字符?顏色*/
clrsc?r();
gotox?y(18,10);
print?f("THE SOFTW?ARE OF PICTU?RE
22、");
gotox?y(30,14);
print?f("%s",homep?age[0]);
gotox?y(30,16);
print?f("%s",homep?age[1]);
gette?xt(10,8,60,16,buf); /*保存矩形屏?幕上的字符?*/
key=0;
while?(1)
{ while?(biosk?ey(1)==0); /*讀取鍵盤(pán)值?*/
key=get_k?ey();
23、 /*獲取鍵盤(pán)值?*/
if(key==key_e?nter&&y==16) exit(0); /*在首界面中?選擇“Exit”程序退出*/
if(key==key_u?p||key==key_d?own) /*設(shè)定鍵盤(pán)控?制光標(biāo)的移?動(dòng)得意實(shí)現(xiàn)?對(duì)“Enter?”或"Exit"的選擇*/
{
y=where?y(); /*得到字符模?式下窗口光?標(biāo)的y坐標(biāo)?數(shù)值*/
if(key==key_u?p)
24、 /*實(shí)現(xiàn)up鍵?盤(pán)控制光標(biāo)?上移的功能?*/
y=y==14? y-2:14;
if(key==key_d?own) /*實(shí)現(xiàn)dow?n鍵盤(pán)控制?光標(biāo)下移的?功能*/
y=y==16? y+2:16;
putte?xt(10,8,60,16,buf); /*將gett?ext函數(shù)?保存的字符?恢復(fù)到屏幕?上*/
gotox?y(30,y); /*將當(dāng)前字符?
25、屏幕的光標(biāo)?位置移動(dòng)到?（30,y）坐標(biāo)*/
if(y==14)
{
textb?ackgr?ound(0); /*設(shè)置字符模?式下的背景?顏色*/
textc?olor(6); /*設(shè)置字符模?式下的字符?顏色*/
gotox?y(30,y);
cprin?tf("%s",homep?age[0]);
}
if(y==16)
{
26、 textb?ackgr?ound(0);
textc?olor(6);
gotox?y(30,y);
cprin?tf("%s",homep?age[1]);
}
}
if(key==key_e?nter&y==14) /*實(shí)現(xiàn)選擇“Enter?”進(jìn)入程序的?功能*/
{ windo?w(1,1,80,25); /*建立字符模?式下的矩形?字符窗
27、口*/
clrsc?r();
textb?ackgr?ound(14);
textc?olor(0);
clrsc?r();
windo?w(12,6,70,20);
print?f("Pleas?e Input? The %s",menu[0]); /*關(guān)于函數(shù)參?數(shù)的對(duì)話框?*/
gotox?y(10,4); /*將當(dāng)前字符?屏幕的光標(biāo)?位置移動(dòng)到?（10,4）坐標(biāo)*/
28、
print?f("*********************");
for(m=0,n=6;m<3;m++,n++) /*實(shí)現(xiàn)依次輸?入函數(shù)參數(shù)?a,b,c的值并儲(chǔ)?存的功能*/
{
gotox?y(12,n);
print?f("\52 %s : ",argum?ent[m]);
scanf?("%d",facto?r[m]);
}
gotox?y(10,10);
29、 /*將當(dāng)前字符?屏幕的光標(biāo)?位置移動(dòng)到?（10,10）坐標(biāo)*/
print?f("*********************");
gotox?y(14,14); /*將當(dāng)前字符?屏幕的光標(biāo)?位置移動(dòng)到?（14,14）坐標(biāo)*/
print?f("\5 The Funct?ion Of Curve? : Y=%d*X^2+%d*X+%d ",*facto?r[0],*facto?r[1],*facto?r[2]);
30、 /*顯示出函數(shù)?的表達(dá)式*/
getch?();
clrsc?r();
windo?w(12,6,70,20);
print?f("Pleas?e Input? The %s",menu[1]); /*關(guān)于曲線形?式的對(duì)話框?*/
gotox?y(10,4); /*將當(dāng)前字符?屏幕
31、的光標(biāo)?位置移動(dòng)到?（10,4）坐標(biāo)*/
print?f("***********************");
for(m=0,n=6;m<5;m++,n++) /*實(shí)現(xiàn)依次輸?出曲線形式?的選項(xiàng)*/
{
gotox?y(12,n);
print?f("\52 %s ",lines?tyle[m]);
}
gotox?y(10,12);
32、 /*將當(dāng)前字符?屏幕的光標(biāo)?位置移動(dòng)到?（10,12）坐標(biāo)*/
print?f("***********************");
gotox?y(14,14);
print?f("\5 The Lines?tyle Of Curve? : "); /*實(shí)現(xiàn)輸入曲?線形式并儲(chǔ)?存的功能*/
scanf?("%d",&form);
if(form==4)
{
clrsc?r();
windo?w(12,6,
33、70,20);
print?f("Pleas?e Intpu?t The Thick?ness"); /*關(guān)于曲線粗?細(xì)的對(duì)話框?*/
gotox?y(10,4);
print?f("*********************");
gotox?y(12,6);
print?f("\52 norm_?width? = 1");
gotox?y(12,8);
print?f("\52 thick?_widt?h = 3")
34、;
gotox?y(10,10);
print?f("*********************");
gotox?y(19,14);
print?f("\5 The Thick?ness Of Curve? : "); / *實(shí)現(xiàn)輸入曲?線粗細(xì)并儲(chǔ)?存的功能*/
scanf?("%d",&radiu?s);
}
clrsc?r();
windo?w(12,6,70,20);
print?f(
35、"Pleas?e Input? The %s",menu[2]); /*關(guān)于曲線顏?色的對(duì)話框?*/
gotox?y(10,4); /*將當(dāng)前字符?屏幕的光標(biāo)?位置移動(dòng)到?（10,4）坐標(biāo)*/
print?f("*******************************************");
for(m=0,n=6;m<6;n++) /*輸出曲線顏?色的選
36、項(xiàng)*/
{
gotox?y(12,n);
print?f("\52 %d -- %s",m,color?[m]);
print?f(" \52 %d -- %s",m+1,color?[m+1]);
m=m+2;
}
gotox?y(12,9);
print?f("\52 6 -- %s",color?[6]);
print?f(" \52 7 -- %s",color?[7]);
gotox?
37、y(10,11);
print?f("********************************************");
gotox?y(19,14);
print?f("\5 The Color?s Num Of Curve? : "); /*實(shí)現(xiàn)輸入曲?線顏色并儲(chǔ)?存的功能*/
scanf?("%d",&hue);
gdriv?er = DETEC?T;
regis?terbg?idriv?er(EGAVG?A_dri?ver);
38、 /*注冊(cè)已連接?的圖形驅(qū)動(dòng)?器程序*/
initg?raph(&gdriv?er, &gmode?, ""); /*初始化圖形?系統(tǒng)*/
setco?lor(1); /*設(shè)置前景顏?色*/
for (i = left; i <= heigh?t * 2; i += 10) /*建立坐標(biāo)系?*/
{
lin
39、e(i, top, i, width? * 2);
}
for (i = top; i <= width? * 2; i += 10)
{
line(left, i, heigh?t * 2, i);
}
setco?lor(7); /*建立坐標(biāo)軸?*/
line(4,362.5,700,362.5); /*畫(huà)x軸直線?
40、*/
setco?lor(7);
line(300,10,300,500); /*畫(huà)y軸直線?*/
windo?w(1,1,100,100);
gotox?y(1,15); /*將當(dāng)前字符?屏幕的光標(biāo)?位置移動(dòng)到?（10,4）坐標(biāo)*/
print?f("\n\n\n\n");
for(num=15;num>0;num--)
41、 /*設(shè)定橫坐標(biāo)?軸上的負(fù)數(shù)?刻度*/
{
print?f("-%d",num);
}
for(num=0;num<18;num++) /*設(shè)定橫坐標(biāo)?軸上的正數(shù)?刻度*/
{
print?f(" %d",num);
}
windo?w(1,1,80,25);
print?f("\n\n");
for(num=21,time
42、=3;num>0;time++,num--) /*設(shè)定縱坐標(biāo)?軸上的刻度?*/
{
gotox?y(39,time);
print?f("%d\n",num);
}
gotox?y(39,25);
print?f("-1");
for(abc=0;abc<37;) /*繪制函數(shù)表?達(dá)式所表示?的曲線*/
{
ord=
43、-(*facto?r[0])*abc*abc-(*facto?r[1])*abc-(*facto?r[2]); /*代表函數(shù)表?達(dá)式*/
zong=(*facto?r[1])/(*facto?r[0])*0.5; /*代表曲線的?頂點(diǎn)坐標(biāo)*/
hen=4*(*facto?r[0])*(*facto?r[2])-((*facto?r[1])*(*facto?r[1]));
heng=hen/(*facto?r[0])*0.25;
setco?lor
44、(hue);
if(form==4) /*實(shí)現(xiàn)按照函?數(shù)表達(dá)式逐?個(gè)畫(huà)點(diǎn)構(gòu)成?曲線的功能?*/
{
circl?e((300-abc)-(zong*16),(ord*0.2)+360-(heng*14),radiu?s);
circl?e((abc+300)-(zong*16),(ord*0.2)+360-(heng*14),radiu?s);
}
if(for
45、m!=4)
{
form=form*0.5;
circl?e((300-abc)-(zong*16),(ord*0.2)+360-(heng*14),form);
circl?e((abc+300)-(zong*16),(ord*0.2)+360-(heng*14),form);
}
abc=abc+0.02;
delay?(100);
46、 /*實(shí)現(xiàn)曲線動(dòng)?態(tài)效果的功?能*/
}
save(); /*實(shí)現(xiàn)儲(chǔ)存圖?像的功能*/
getch?();
syste?m("cls");
load(); /*實(shí)現(xiàn)打開(kāi)圖?像的功能*/
getch?();
close?graph?;
47、 /*關(guān)閉圖形工?作方式*/
exit(0);
}
}
}
int get_k?ey() /*設(shè)定鍵盤(pán)控?制*/
{
union? REGS rg;
rg.h.ah=0;
int86?(0x16,&rg,&rg);
retur?n rg.h.ah;
getch?ar();
}
void save()
48、 /*儲(chǔ)存圖形函?數(shù)*/
{
int i,j; /*i,j代表像素?所在坐標(biāo)*/
FILE *fp; /*聲明一個(gè)文?件地址*/
char fileN?ame[20]; /*filen?ame代表?文件名被儲(chǔ)?存的所在數(shù)?組*/
windo
49、?w(1,1,80,80);
gotox?y(1,1); /*將當(dāng)前字符?屏幕的光標(biāo)?位置移動(dòng)到?（1,1）坐標(biāo)*/
print?f("\52 Input? The File Name[.dat] To Be Saved?:"); /*輸入要被保?存圖像所在?的文件名并?儲(chǔ)存*/
scanf?("%s",fileN?ame);
windo?w(1,1,80,80);
if((fp=fopen?(fileN?ame,"w+"))==NULL)
50、 /*以讀寫(xiě)的方?式打開(kāi)文件?*/
{
outte?xtxy(260,455,"Faile?d to open file!"); /* 圖形模式下?在x,y坐標(biāo)位置?顯示一行字?符串*/
exit(0);
}
outte?xtxy(500,455,"savin?g...");
for(i=5;i<630;i++) /*保存像素到?文件*/
for(j=
51、30;j<=445;j++)
fputc?(getpi?xel(i,j),fp);
fclos?e(fp);
windo?w(1,1,80,80);
outte?xtxy(500,455,"Save Over!");
}
void load() /*打開(kāi)圖像函?數(shù)*/
{
int i,j; /*i,j代表像素?所在坐標(biāo)*/
char fileN
52、?ame[20]; /*filen?ame代表?文件名被儲(chǔ)?存的所在數(shù)?組*/
FILE *fp; /*聲明一個(gè)文?件地址*/
windo?w(1,1,80,80);
gotox?y(1,2);
print?f("\52 Input? The File Name[.dat] To Be Open:"); /*輸入要打開(kāi)?圖像所在的?文件名并儲(chǔ)?存*/
scan
53、f?("%s",fileN?ame);
if((fp=fopen?(fileN?ame,"r+"))!=NULL) /*打開(kāi)指定的?文件*/
{
windo?w(1,1,80,80);
outte?xtxy(500,455,"loadi?ng...");
for(i=5;i<630;i++) /*從文件中讀?出像素*/
for(j=30;j<=445;j++)
putpi?xel(i,j,fgetc
54、?(fp));
windo?w(1,1,80,80);
outte?xtxy(500,455,"Loadi?ng Over !"); /* 圖形模式下?在x,y坐標(biāo)位置?顯示一行字?符串*/
}
else /*打開(kāi)失敗*/
{
windo?w(1,1,80,80);
outte?xtxy(500,455,"Faile?d to open file!");
}
fclos?e(fp);
}
14
動(dòng)態(tài)函數(shù)圖像演示C語(yǔ)言課程設(shè)計(jì)實(shí)驗(yàn)報(bào)告含源碼
