プログラマ専用SNS ミクプラ

コード:

#include "DxLib.h"



//画像サイズは512*512


int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow )
{
	int gh;//画像ハンドル

	int screen_hndl;//画面用ハンドル

	VERTEX2D Vert[12] ;

	ChangeWindowMode( TRUE ) ;

	// ＤＸライブラリの初期化
	if( DxLib_Init() < 0 ) return -1;


	gh=LoadGraph("test2.png" ) ;


	
	screen_hndl=MakeScreen(512,512,FALSE);




	Vert[ 0 ].pos = VGet(0.0f,0.0f,0.0f) ;
	Vert[ 0 ].rhw = 1.0f ;
	Vert[ 0 ].dif = GetColorU8(255,255,255,255 ) ;
	Vert[ 0 ].u   = 0.0f ;
	Vert[ 0 ].v   = 0.0f ;

	Vert[ 1 ].pos = VGet( 512.0f,0.0f,0.0f) ;
	Vert[ 1 ].rhw = 1.0f ;
	Vert[ 1 ].dif = GetColorU8( 255,255,255,255 ) ;
	Vert[ 1 ].u   = 1.0f ;
	Vert[ 1 ].v   = 0.0f ;

	Vert[ 2 ].pos = VGet(0.0f,256.0f,0.0f ) ;
	Vert[ 2 ].rhw = 1.0f ;
	Vert[ 2 ].dif = GetColorU8( 255,255,255,255 ) ;
	Vert[ 2 ].u   = 0.0f ;
	Vert[ 2 ].v   = 0.5f ;

	Vert[ 3 ].pos = VGet(512.0f,256.0f,0.0f) ;
	Vert[ 3 ].rhw = 1.0f ;
	Vert[ 3 ].dif = GetColorU8( 255,255,255,255 ) ;
	Vert[ 3 ].u   = 1.0f ;
	Vert[ 3 ].v   = 0.5f ;

	Vert[ 4 ].pos = VGet(0.0f,256.0f,0.0f) ;
	Vert[ 4 ].rhw = 1.0f ;
	Vert[ 4 ].dif = GetColorU8( 255,255,255,255 ) ;
	Vert[ 4 ].u   = 0.0f ;
	Vert[ 4 ].v   = 0.5f ;

	Vert[ 5 ].pos = VGet( 512.0f,0.0f,0.0f ) ;
	Vert[ 5 ].rhw = 1.0f ;
	Vert[ 5 ].dif = GetColorU8( 255,255,255,255 ) ;
	Vert[ 5 ].u   = 1.0f ;
	Vert[ 5 ].v   = 0.0f ;

	Vert[ 6 ].pos = VGet( 0.0f,256.0f,0.0f ) ;
	Vert[ 6 ].rhw = 1.0f ;
	Vert[ 6 ].dif = GetColorU8( 255,255,255,255 ) ;
	Vert[ 6 ].u   = 0.0f ;
	Vert[ 6 ].v   = 0.5f ;

	Vert[ 7 ].pos = VGet( 512.0f,256.0f,0.0f ) ;
	Vert[ 7 ].rhw = 1.0f ;
	Vert[ 7 ].dif = GetColorU8( 255,255,255,255 ) ;
	Vert[ 7 ].u   = 1.0f ;
	Vert[ 7 ].v   = 0.5f ;


	Vert[ 8 ].pos = VGet( 0.0f,512.0f,0.0f ) ;
	Vert[ 8 ].rhw = 1.0f ;
	Vert[ 8 ].dif = GetColorU8( 255,255,255,255 ) ;
	Vert[ 8 ].u   = 0.0f ;
	Vert[ 8 ].v   = 1.0f ;


	Vert[ 9 ].pos = VGet( 512.0f,512.0f,0.0f ) ;
	Vert[ 9 ].rhw = 1.0f ;
	Vert[ 9 ].dif = GetColorU8( 255,255,255,255 ) ;
	Vert[ 9 ].u   = 1.0f ;
	Vert[ 9 ].v   = 1.0f ;


	Vert[ 10 ].pos = VGet( 0.0f,512.0f,0.0f ) ;
	Vert[ 10 ].rhw = 1.0f ;
	Vert[ 10 ].dif = GetColorU8( 255,255,255,255 ) ;
	Vert[ 10 ].u   = 0.0f ;
	Vert[ 10 ].v   = 1.0f ;


	Vert[ 11 ].pos = VGet( 512.0f,256.0f,0.0f ) ;
	Vert[ 11 ].rhw = 1.0f ;
	Vert[ 11 ].dif = GetColorU8( 255,255,255,255 ) ;
	Vert[ 11 ].u   = 1.0f ;
	Vert[ 11 ].v   = 0.5f ;
	


	while(!ProcessMessage()){

		//作成したグラフィックを描画対象に
		SetDrawScreen(screen_hndl);

		//作成したグラフィックに描画
		DrawGraph(0,0,gh,TRUE);

		//裏画面セット
		SetDrawScreen(DX_SCREEN_BACK);

		//裏画面に描画
		DrawPolygon2D( Vert,4,screen_hndl,TRUE ) ;
	
		ScreenFlip();
	}
	// ＤＸライブラリの後始末
	DxLib_End();

	// ソフトの終了
	return 0;
}

コード:

#include "DxLib.h"
 
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
	ChangeWindowMode(TRUE);
	if (DxLib_Init() != 0) return 0;

	int grahBrsh = MakeScreen(48,48,TRUE);
	int grahOver = MakeScreen(640,480,TRUE);

	int graphA = LoadGraph("Penguins.jpg");
	int graphB = LoadGraph("Koala.jpg");

	/*
	 * αチャンネルを操作するためのブラシ
	 * とりあえず円
	 */
	SetDrawScreen(grahBrsh);
	SetDrawBlendMode(DX_BLENDMODE_ALPHA, 0);
	DrawBox(0,0,48,48,GetColor(0,0,0),TRUE);
	SetDrawBlendMode(DX_BLENDMODE_ALPHA, 128);
	DrawCircle(24,24,20,GetColor(0,0,0),TRUE);
	SetDrawBlendMode(DX_BLENDMODE_ALPHA, 192);
	DrawCircle(24,24,16,GetColor(0,0,0),TRUE);
	SetDrawBlendMode(DX_BLENDMODE_ALPHA, 255);
	DrawCircle(24,24,12,GetColor(0,0,0),TRUE);
	SetDrawBlendMode(DX_BLENDMODE_NOBLEND, 255);

	/*
	 * かぶせる方の画面
	 */
	SetDrawScreen(grahOver);
	//DrawBox(0,0,640,480,GetColor(255,0,0),TRUE);
	DrawGraph(0,0,graphA,FALSE);
	// αチャンネルを削って透明にする
	SetDrawBlendMode(DX_BLENDMODE_SUB, 255);
	DrawBox(0,0,640,480,GetColor(0,0,0),TRUE);
	SetDrawBlendMode(DX_BLENDMODE_NOBLEND, 255);

	while (ProcessMessage() == 0 && ScreenFlip() == 0) {
		int mouseX, mouseY;
		GetMousePoint(&mouseX, &mouseY);
		if (GetMouseInput() & MOUSE_INPUT_LEFT) {
			SetDrawScreen(grahOver);
			SetDrawBlendMode(DX_BLENDMODE_ADD, 255);
			DrawGraph(mouseX-24,mouseY-24,grahBrsh,TRUE);
			SetDrawBlendMode(DX_BLENDMODE_NOBLEND, 255);
		}
		if (GetMouseInput() & MOUSE_INPUT_RIGHT) {
			SetDrawScreen(grahOver);
			SetDrawBlendMode(DX_BLENDMODE_SUB, 255);
			DrawGraph(mouseX-24,mouseY-24,grahBrsh,TRUE);
			SetDrawBlendMode(DX_BLENDMODE_NOBLEND, 255);
		}
		SetDrawScreen(DX_SCREEN_BACK);
		//DrawBox(0,0,640,480,GetColor(0,0,255),TRUE);
		DrawGraph(0,0,graphB,FALSE);
		DrawGraph(0,0,grahOver,TRUE);
	}
	
	DxLib_End();
	return 0;
}