mga_gfl.c

来自「linux下显示各种格式图片」· C语言 代码 · 共 93 行

/* 	(c) HelDoRe
	Gfl unit ...    v0.0.1
			Supported formats :
			libgfl
*/			

#define VERGFL " unit v0.0.1"

#include <stdio.h>
#include "../mga_view.h"

#ifdef USE_LIBGFL
#include <libgfl.h>
#include <libgfle.h>
#endif

void help_gfl()

{
#ifdef USE_LIBGFL
printf("Gfl%s\n   + libgfl\n",VERGFL);
#endif

}


int detect_gfl()
{
#ifdef USE_LIBGFL
    GFL_FILE_INFORMATION info;
    GFL_LOAD_PARAMS	 load_params;
    GFL_BITMAP		 *bitmap;
    GFL_ERROR		 error;
    

    gflSetPluginsPathname("..\\plugins\\");
    gflLibraryInit();
    gflEnableLZW(GFL_TRUE);
    gflGetDefaultLoadParams( &load_params);
    load_params.Flags = 0x0001 + 0x0002 + 0x0008 + 0x0010 + 0x0100;
    load_params.ColorModel = GFL_RGB;
    if (gflGetFileInformation(mee, -1, &info) != GFL_NO_ERROR)
	return 1;
    
    depth = info.NumberOfPlanes * info.BitsPerPlane;
    image_x = info.Width;
    image_y = info.Height;
    gflFreeFileInformation(&info);
    check_image(image_x,image_y,depth);

    error = gflLoadBitmap(mee, &bitmap, &load_params, &info);
    if (error) return 1;
    printf("GFL%s\n",VERGFL);
    printf("Image detected  : %ix%ix%i (%s)\n", image_x, image_y, depth, info.Description);
    if (info.NumberOfComment > 0)
    {
	printf("Comment         : ");
	for (i = 0; i<info.NumberOfComment; i++)
	    printf("%s\n                  ",info.Comment[i]);
	printf("\n");
    }

    if (depth <24)
    {
	GFL_BITMAP *bitmap_temp;
	
        gflChangeColorDepth(bitmap, &bitmap_temp, GFL_MODE_TO_RGB, 0);
	gflFreeBitmap(bitmap);
	bitmap = bitmap_temp;
	
    }
    j = 0;
    for (i=0;i<image_x*image_y;i++)
    {
	tabr[i]=bitmap->Data[j++];
	tabg[i]=bitmap->Data[j++];
	tabb[i]=bitmap->Data[j++];
    }




    gflFreeBitmap(bitmap);
    gflLibraryExit();
    return 0;	
#else
    return 1;	
#endif

}