プログラマ専用SNS ミクプラ

コード:

 
#include "DxLib.h"

const int ScreenW = 640;
const int ScreenH = 480;

int color;
int rect[4][4]{
	{100, 200, 400, 300},
	{200, 100, 300, 400},
	{ 50, 420, 100, 470},
	{450, 420 ,500, 470}
};
unsigned char MaskData[480][640];
int MaskHandle;

int WINAPI WinMain(HINSTANCE h1, HINSTANCE hP, LPSTR lpC, int nC){
	ChangeWindowMode(TRUE);
	SetGraphMode(ScreenW, ScreenH, 32);
	SetDrawScreen(DX_SCREEN_BACK);
	if (DxLib_Init()) return false;

	while (ProcessMessage() == 0){
		ClearDrawScreen();

		//水色でクライアント領域640＊480を塗りつぶし
		color = GetColor(0, 255, 255);
		DrawBox(0, 0, ScreenW, ScreenH, color, TRUE);

		//マスク画面作成
		CreateMaskScreen();
		
		MaskHandle = MakeMask(ScreenW, ScreenH);

		for (int i = 0; i < 4; i++){
			for (int j = rect[i][0]; j < rect[i][2]; j++){
				for (int k = rect[i][1]; k < rect[i][3]; k++){
					MaskData[k][j] = 0xff;
				}
			}
		}

		SetDataToMask(ScreenW, ScreenH, MaskData, MaskHandle);
		DrawFillMask(0, 0, ScreenW, ScreenH, MaskHandle);

		//黄色でクライアント領域640＊480へ塗りつぶし命令
		DrawBox(0, 0, ScreenW, ScreenH, 0xffff00, TRUE);

		DeleteMask(MaskHandle);
		DeleteMaskScreen();

		ScreenFlip();
	}
	DxLib_End();
	return 0;
}

コード:

 
	MaskHandle = LoadMask( "mk.png" ) ;
	a = LoadGraph ( "m_5.png" );
	b = LoadGraph ( "m_1.png" );

	while( ScreenFlip()==0 && ProcessMessage()==0 && ClearDrawScreen()==0 ){
		CreateMaskScreen() ;
		DrawGraph( 0 , 0 , b , false );
		DrawMask( 0 , 0 , MaskHandle , DX_MASKTRANS_BLACK ) ;
		DrawGraph( 0 , 0 , a , false );
		DeleteMaskScreen() ;
	}

コード:

	int MaskHandle;
	int a , b , c;
	int hantei;
	int MouX , MouY;

	MaskHandle = LoadMask( "mk.png" ) ;
	a = LoadGraph ( "m_5.png" );
	b = LoadGraph ( "m_1.png" );
	c = LoadGraph ( "mk.png" ); //これは今回マスク画像をそのまま使ったけど色分けした画像を使えば分けた数の分だけあれこれ指定できる

	while( ScreenFlip()==0 && ProcessMessage()==0 && ClearDrawScreen()==0 ){

		GetMousePoint( &MouX , &MouY );
		POINT pt = { MouX , MouY };

		DrawGraph( 0 , 0 , c , false );
		hantei = GetPixel( MouX , MouY );

		CreateMaskScreen();
		DrawGraph( 0 , 0 , b , false );
		DrawMask( 0 , 0 , MaskHandle , DX_MASKTRANS_BLACK );
		DrawGraph( 0 , 0 , a , false );
		DeleteMaskScreen();

		DrawFormatString( 100 , 100 , GetColor( 255 , 255 , 255 ) , "%d %d" , MouX , MouY );
		DrawFormatString( 100 , 140 , GetColor( 255 , 255 , 255 ) , "%d" , hantei );

		switch( hantei ){
			case 0: //黒色なら
				break;

			case 1677215: //白色なら
				break;

			//用途に合わせて他の色も追加していく
		}
	}