render_cacheimage.cpp

monqueror一个很具有参考价值的源玛

#include <assert.h>
#include "render_interface.h"
#include "mgpoint.h"
#include "mgsize.h"
#include "mgrect.h"
#include "mgpixmap.h"
#include "render_image.h"
#include "string.h"

#include <minigui/window.h>
#include "../css/css_valueimpl.h"

#include "render_cachecss.h"
#include "render_loadcss.h"
#include "render_cacheimage.h"
#include "render_loadimage.h"

#define DEBUG_BY_XHTANG 0

using namespace DOM;
using namespace khtml;
// MGCachedImage
MGCachedImage::MGCachedImage(unsigned char *url )
{
	m_ref = 1;

	p = new MGPixmap();
	bg = new MGPixmap();
//	m_URL = url;
//	m_baseURL = baseURL;
	m_URL = (const char*)url;
	m_baseURL = (const char*)"";
	p->loadOk=0;
	m_bIsRequested = 0;
}
MGCachedImage::MGCachedImage(unsigned char *url ,char TempName[])
{
	m_ref = 1;

	p = new MGPixmap();
	bg = new MGPixmap();
	m_URL = (const char*)url;
	m_baseURL = (const char*)"";
	
	p->loadOk = !LoadBitmap( HDC_SCREEN, &(p->bmp), TempName);
}
MGCachedImage::MGCachedImage( unsigned char *url, bool reload, MGPainter *painter)
{
	m_ref = 1;

	p = new MGPixmap();
	bg = new MGPixmap();
	m_URL = (const char*)url;
	m_baseURL = (const char*)"";
	p->loadOk = !LoadBitmap( HDC_SCREEN, &p->bmp, (const char *)url);
}

MGCachedImage::~MGCachedImage()
{
	delete bg;
	delete p;
}
bool MGCachedImage::LoadDataFromTempFile( char TempName[])
{
	p->loadOk = !LoadBitmap( HDC_SCREEN, &(p->bmp), TempName);
	m_bIsRequested=0;
	return true;
}

const MGPixmap& MGCachedImage::tiled_pixmap( const MGColor& c ) const
{
	assert( p != 0 );
	return *p;
}

const MGPixmap& MGCachedImage::pixmap() const
{
	assert( p != 0 );
	return *p;
}

MGSize MGCachedImage::pixmap_size() const
{
	assert( p != 0 );
	return p->size();
}

MGRect MGCachedImage::valid_rect() const
{
	assert( p != 0 );
	return MGRect( 0, 0, p->size().width(), p->size().height() );
}

bool MGCachedImage::isTransparent() const
{
	// TODO
	return false;
}