Discussion :

[dot-_-net]

Code :

S�lectionner tout - Visualiser dans une fen�tre � part

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// bmp1.cpp : Defines the entry point for the console application.
//
 
#include "stdafx.h"
#include <windows.h>
#include <fstream.h>
 
 
 
class CRaster {
	public:
		int Width,Height;		// Dimensions
		int BPP;				// Bits Per Pixel.
		char * Raster;			// Bits of the Image.
		RGBQUAD * Palette;		// RGB Palette for the image.
		int BytesPerRow;		// Row Width (in bytes).
		BITMAPINFO * pbmi;		// BITMAPINFO structure
 
		// Member functions (defined later):
		int LoadBMP (char * szFile);
		int GDIPaint (HDC hdc,int x,int y);
};
int CRaster::LoadBMP (char * szFile)
{	
	BITMAPFILEHEADER bmfh;
	BITMAPINFOHEADER bmih;
 
	// Open file.
	ifstream bmpfile (szFile , ios::in | ios::binary);
	if (! bmpfile.is_open()){cout<<"Erreur"; return 1;	}	// Error opening file
 
	// Load bitmap fileheader & infoheader
	bmpfile.read ((char*)&bmfh,sizeof (BITMAPFILEHEADER));
	bmpfile.read ((char*)&bmih,sizeof (BITMAPINFOHEADER));
 
	// Check filetype signature
	if (bmfh.bfType!='MB') return 2;		// File is not BMP
 
	// Assign some short variables:
	BPP=bmih.biBitCount;
	Width=bmih.biWidth;
	Height= (bmih.biHeight>0) ? bmih.biHeight : -bmih.biHeight; // absoulte value
	BytesPerRow = Width * BPP / 8;
	BytesPerRow += (4-BytesPerRow%4) % 4;	// int alignment
 
	// If BPP aren't 24, load Palette:
	if (BPP==24) pbmi=(BITMAPINFO*)new char [sizeof(BITMAPINFO)];
	else
	{
		pbmi=(BITMAPINFO*) new char[sizeof(BITMAPINFOHEADER)+(1<<BPP)*sizeof(RGBQUAD)];
		Palette=(RGBQUAD*)((char*)pbmi+sizeof(BITMAPINFOHEADER));
		bmpfile.read ((char*)Palette,sizeof (RGBQUAD) * (1<<BPP));
	}
	pbmi->bmiHeader=bmih;
 
	// Load Raster
	bmpfile.seekg (bmfh.bfOffBits,ios::beg);
 
	Raster= new char[BytesPerRow*Height];
 
	// (if height is positive the bmp is bottom-up, read it reversed)
	if (bmih.biHeight>0)
		for (int n=Height-1;n>=0;n--)
			bmpfile.read (Raster+BytesPerRow*n,BytesPerRow);
	else
		bmpfile.read (Raster,BytesPerRow*Height);
 
	// so, we always have a up-bottom raster (that is negative height for windows):
	pbmi->bmiHeader.biHeight=-Height;
 
	bmpfile.close();
 
	return 0;
}
 
 
int main(void){
	CRaster a;
	a.LoadBMP("d:\\test.bmp");
 
	return 0;
}

[M�dinoc]

Et quel est pr�cis�ment le probl�me?

[JeromeBcx]

Et quel est pr�cis�ment le probl�me?

T'es pas joueur, suffit de chercher Charlie...

[JeromeBcx]

J'ai trouv� charlie...

Code :

S�lectionner tout - Visualiser dans une fen�tre � part

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int main(int argc, char* argv[]){
    CRaster a;
    a.LoadBMP("F:\\charlie.bmp");
    return 0;
}

Plus s�rieusement, apr�s test, la fonction � l'air de marcher