www.pudn.com > simon.zip > Foto.cpp

// Foto.cpp: implementation of the Foto class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#include "stdafx.h" 
#include "Foto.h" 
 
#ifdef _DEBUG 
#undef THIS_FILE 
static char THIS_FILE[]=__FILE__; 
#define new DEBUG_NEW 
#endif 
 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
 
Foto::Foto() 
{ 
	prendido_DC=NULL; 
	apagado_DC=NULL; 
	mask_DC=NULL; 
	mask_invert_DC=NULL; 
} 
 
Foto::~Foto() 
{ 
	if( prendido_DC != NULL ) 
		DeleteDC( prendido_DC ); 
	prendido.DeleteObject(); 
	if( apagado_DC != NULL ) 
		DeleteDC( apagado_DC ); 
	apagado.DeleteObject(); 
	if( mask_DC != NULL ) 
		DeleteDC( mask_DC ); 
	mask.DeleteObject(); 
	if( mask_invert_DC != NULL ) 
		DeleteDC( mask_invert_DC ); 
	mask_invert.DeleteObject(); 
} 
 
bool Foto::Inicializar(HWND vent_h,UINT recurso_prend,UINT recurso_apag, UINT recurso_mascara,UINT recurso_mascara_inverted) 
{ 
	BITMAP info_bmp; 
 
	ventana_handle=vent_h; 
	prendido_DC=::CreateCompatibleDC( NULL ); 
	if( prendido_DC == NULL ) 
		return false; 
	if( !prendido.LoadBitmap( recurso_prend ) ) 
		return false; 
	::SelectObject( prendido_DC,HBITMAP( prendido ) ); 
 
	if( prendido.GetBitmap( &info_bmp ) == 0 ) 
		return false; 
	ancho=info_bmp.bmWidth; 
	alto=info_bmp.bmHeight; 
	 
	apagado_DC=::CreateCompatibleDC( NULL ); 
	if( apagado_DC == NULL ) 
		return false; 
	if( !apagado.LoadBitmap( recurso_apag ) ) 
		return false; 
	::SelectObject( apagado_DC,HBITMAP( apagado ) ); 
	mask_DC=::CreateCompatibleDC( NULL ); 
	if( mask_DC == NULL ) 
		return false; 
	if( !mask.LoadBitmap( recurso_mascara ) ) 
		return false; 
	::SelectObject( mask_DC,HBITMAP( mask ) ); 
	mask_invert_DC=::CreateCompatibleDC( NULL ); 
	if( mask_invert_DC == NULL ) 
		return false; 
	if( !mask_invert.LoadBitmap( recurso_mascara_inverted ) ) 
		return false; 
	::SelectObject( mask_invert_DC,HBITMAP( mask_invert ) ); 
	ConversorBmp2Rgn conversor; 
	region_h=0; 
	region_h=conversor.Convertir( recurso_mascara ); 
	return true; 
} 
 
bool Foto::Inicializar( HWND vent_h,UINT recurso_foto ) 
{ 
	BITMAP info_bmp; 
 
	ventana_handle=vent_h; 
	prendido_DC=::CreateCompatibleDC( NULL ); 
	if( prendido_DC == NULL ) 
		return false; 
	if( !prendido.LoadBitmap( recurso_foto ) ) 
		return false; 
	if( prendido.GetBitmap( &info_bmp ) == 0 ) 
		return false; 
	ancho=info_bmp.bmWidth; 
	alto=info_bmp.bmHeight; 
	::SelectObject( prendido_DC,HBITMAP( prendido ) ); 
	return true; 
} 
 
bool Foto::Dibujar(int x, int y) 
{ 
	if( !::BitBlt( ::GetWindowDC( ventana_handle ),x,y,ancho,alto,prendido_DC,x,y,SRCCOPY) ) 
		return false; 
	return true; 
} 
 
bool Foto::DibujarEnmascarada(int x, int y) 
{ 
	/*if( !::BitBlt( prendido_DC,0,0,ancho,alto,mask_DC,x,y,SRCAND ) ) 
		return false; 
	if( !::BitBlt( ::GetWindowDC(ventana_handle),x,y,ancho,alto,mask_invert_DC,0,0,SRCAND ) ) 
		return false;*/ 
	CRgn region; 
	region.CreateEllipticRgn(0,0,10,10); 
	HDC eldc=::GetWindowDC( ventana_handle ); 
	int a=::ExtSelectClipRgn( eldc,region_h,RGN_COPY); 
	if( a==ERROR ) 
		AfxMessageBox("error"); 
	if( !::BitBlt( eldc,x,y,ancho,alto,prendido_DC,0,0,SRCCOPY ) ) 
		return false; 
	return true; 
} 
 
 
 
 
bool Foto::RedibujarFondoEnmascarado(int x,int y) 
{ 
	if( !::BitBlt( apagado_DC,0,0,ancho,alto,mask_DC,x,y,SRCAND ) ) 
		return false; 
	if( !::BitBlt( ::GetWindowDC(ventana_handle),x,y,ancho,alto,mask_invert_DC,0,0,SRCAND ) ) 
		return false; 
	if( !::BitBlt( ::GetWindowDC(ventana_handle),x,y,ancho,alto, apagado_DC ,0,0,SRCPAINT ) ) 
		return false; 
	return true; 
}