khanat-opennel-code/code/nel/tools/3d/tile_edit_qt/pic/readpic.cpp

#include <assert.h>
#include <algorithm>
#include "readpic.h"
#include "pic.h"
#include <nel/misc/rgba.h>


//============================================================
// Image API.
//============================================================


bool	PIC_LoadPic(const std::string &path, std::vector<NLMISC::CBGRA> &tampon, uint &Width, uint &Height)
{
	uint32			id;
	unsigned char	*pal, *data;
	unsigned long	w,h,depth;
	uint			i;


	// Loadons l'image.
	id= PIC_Load((char*)path.c_str(), 0);
	if(id==0)
		return false;
	PIC_GetInfos( id,  &pal, &data, &w, &h, &depth);
	Width=w;
	Height=h;

	// On traduit en RGBA.
	tampon.resize(w*h);
	switch(depth)
	{
		case 8:
			for(i=0;i<w*h;i++)
			{
				tampon[i].R= data[i];
				tampon[i].G= data[i];
				tampon[i].B= data[i];
				tampon[i].A= data[i];
			}
			break;
		case 24:
			for(i=0;i<w*h;i++)
			{
				tampon[i].R= data[i*3+ 0];
				tampon[i].G= data[i*3+ 1];
				tampon[i].B= data[i*3+ 2];
				tampon[i].A= 255;
			}
			break;
		case 32:
			for(i=0;i<w*h;i++)
			{
				tampon[i].R= data[i*4+ 0];
				tampon[i].G= data[i*4+ 1];
				tampon[i].B= data[i*4+ 2];
				tampon[i].A= data[i*4+ 3];
			}
			break;
	}

	// On ferme.
	PIC_Destroy(id);

	return true;
}