如何改變chart的顏色 |
答題得分者是:herbert2
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rve308
一般會員 發表:7 回覆:0 積分:1 註冊:2008-12-05 發送簡訊給我 |
之前問的不好請各位原諒 }例如: for(int i=1;i<=10;i ) { 在這裡可以跑出10種顏色; } double x ,y ; for (int i = 1 ; i <=10 ; i ) { x = (rand() rand()) % 1000 1; y = (rand()*rand()) % 1000 1; Series1->AddXY(x,y); } 我想要每一個點顏色都不一樣,但是我有不希望這樣打 for(int i=1;i<=10;i ) { if(i==1) Form1->Series3->AddXY(impermanentx,impermanenty,"",clBlack); if(i==2) Form1->Series3->AddXY(impermanentx,impermanenty,"",clGreen); if(i==3) Form1->Series3->AddXY(impermanentx,impermanenty,"",clNavy); if(i==4) Form1->Series3->AddXY(impermanentx,impermanenty,"",clGray); if(i==5) Form1->Series3->AddXY(impermanentx,impermanenty,"",clYellow); if(i==6) Form1->Series3->AddXY(impermanentx,impermanenty,"",clWhite); if(i==7) Form1->Series3->AddXY(impermanentx,impermanenty,"",clBlue); if(i==8) Form1->Series3->AddXY(impermanentx,impermanenty,"",clMaroon); if(i==9) Form1->Series3->AddXY(impermanentx,impermanenty,"",clAqua); if(i==10) Form1->Series3->AddXY(impermanentx,impermanenty,"",clLime); |
herbert2
尊榮會員 發表:58 回覆:640 積分:894 註冊:2004-04-16 發送簡訊給我 |
依據您的例子, 可有兩種寫法:
其一, 用 switch 取代 if, 可能是您較不喜歡的方式: int i; for (i=1; i <= 10; i ) { switch (i) { case 1: Form1->Series3->AddXY(impermanentx,impermanenty,"",clBlack); break; case 2: Form1->Series3->AddXY(impermanentx,impermanenty,"",clGreen); break; // . . . . . . case 9: Form1->Series3->AddXY(impermanentx,impermanenty,"",clAqua); break; default: Form1->Series3->AddXY(impermanentx,impermanenty,"",clLime); } } 其二, 用陣列與迴圈對應, 可能是您較喜歡的方式: TColor MyColor[10] = {clBlack, clGreen, . . . ., clAqua,clLime}; for (int i=1; i <= 10; i ) { Form1->Series3->AddXY(impermanentx,impermanenty,"",MyColor[i-1]); } 或 for (int i=0; i < 10; i ) { Form1->Series3->AddXY(impermanentx,impermanenty,"",MyColor[i]); } ===================引 用 rve308 文 章=================== 我想要每一個點顏色都不一樣,但是我有不希望這樣打 }for(int i=1;i<=10;i ) { if(i==1) Form1->Series3->AddXY(impermanentx,impermanenty,"",clBlack); if(i==2) Form1->Series3->AddXY(impermanentx,impermanenty,"",clGreen); // . . . . . . if(i==9) Form1->Series3->AddXY(impermanentx,impermanenty,"",clAqua); if(i==10) Form1->Series3->AddXY(impermanentx,impermanenty,"",clLime); |
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