Ejemplo n.º 1
0
int main()
{
	gdImagePtr src, dst;
	int b;
	void *p;
	int size = 0;
	int status = 0;
	CuTestImageResult result = {0, 0};

	src = gdImageCreate(100, 100);
	if (src == NULL) {
		printf("could not create src\n");
		return 1;
	}
	gdImageColorAllocate(src, 0xFF, 0xFF, 0xFF); /* allocate white for background color */
	b = gdImageColorAllocate(src, 0, 0, 0);
	gdImageRectangle(src, 20, 20, 79, 79, b);
	gdImageEllipse(src, 70, 25, 30, 20, b);

#define OUTPUT_WBMP(name) do {							\
		FILE *fp = gdTestTempFp();						\
		gdImageWBMP(name, 1, fp);						\
		fclose(fp);										\
	} while (0)

	OUTPUT_WBMP(src);
	p = gdImageWBMPPtr(src, &size, 1);
	if (p == NULL) {
		status = 1;
		printf("p is null\n");
		goto door0;
	}
	if (size <= 0) {
		status = 1;
		printf("size is non-positive\n");
		goto door1;
	}

	dst = gdImageCreateFromWBMPPtr(size, p);
	if (dst == NULL) {
		status = 1;
		printf("could not create dst\n");
		goto door1;
	}
	OUTPUT_WBMP(dst);
	gdTestImageDiff(src, dst, NULL, &result);
	if (result.pixels_changed > 0) {
		status = 1;
		printf("pixels changed: %d\n", result.pixels_changed);
	}
	gdImageDestroy(dst);
door1:
	gdFree(p);
door0:
	gdImageDestroy(src);
	return status;
}
Ejemplo n.º 2
0
Archivo: img.c Proyecto: kwolekr/imgcmp
gdImagePtr ImgLoadGd(const char *filename, unsigned int *filesize) {
	FILE *file;
	gdImagePtr img;
	char blah[4], *tmp;
	uint16_t sig16;
	uint32_t sig32;
	long filelen;

	if (!filename)
		return NULL;

	file = NULL;
	tmp  = NULL;
	img  = NULL;

	file = fopen(filename, "rb");
	if (!file)
		return NULL;

	if (!fread(blah, 4, 1, file))
		goto done;

	fseek(file, 0, SEEK_END);
	filelen = ftell(file);
	rewind(file);

	if (filesize)
		*filesize = filelen;

	tmp = malloc(filelen);
	if (!fread(tmp, filelen, 1, file))
		goto done;

	sig16 = LE16(*(uint16_t *)blah);
	sig32 = LE32(*(uint32_t *)blah);

	if (sig16 == 0xD8FF) {
		img = gdImageCreateFromJpegPtr(filelen, tmp);
	} else if (sig32 == 'GNP\x89') {
		img = gdImageCreateFromPngPtr(filelen, tmp);
	} else if (sig32 == '8FIG') {
		img = gdImageCreateFromGifPtr(filelen, tmp);
	} else if (sig16 == 'MB') {
		img = gdImageCreateFromWBMPPtr(filelen, tmp);
	} else {
		fprintf(stderr, "WARNING: %s is an unsupported image format\n", filename);
	}

done:
	if (file)
		fclose(file);
	if (tmp)
		free(tmp);
	return img;
}
Ejemplo n.º 3
0
static int
put_file_func (CameraFilesystem *fs, const char *folder, const char *name, 
	CameraFileType type, CameraFile *file, void *data, GPContext *context)
{
#ifdef HAVE_GD
	Camera *camera = data;
	char *c, *in_name, *out_name, *filedata = NULL;
	int ret, in_width, in_height, in_x, in_y;
	size_t inc, outc;
	double aspect_in, aspect_out;
#ifdef HAVE_ICONV
	char *in, *out;
#endif
	unsigned long filesize = 0;
	gdImagePtr rotated, im_out, im_in = NULL;

	if (strcmp (folder, "/"))
		return GP_ERROR_DIRECTORY_NOT_FOUND;

	inc = strlen (name);
	in_name = strdup (name);
	outc = inc;
	out_name = malloc (outc + 1);
	if (!in_name || !out_name) {
		free (in_name);
		free (out_name);
		return GP_ERROR_NO_MEMORY;
	}

	/* Convert name to ASCII */
#ifdef HAVE_ICONV
	in = in_name;
	out = out_name;
	if (iconv (camera->pl->cd, &in, &inc, &out, &outc) == -1) {
		free (in_name);
		free (out_name);
		gp_log (GP_LOG_ERROR, "iconv",
			"Failed to convert filename to ASCII");
		return GP_ERROR_OS_FAILURE;
	}
	outc = out - out_name;
	out_name[outc] = 0;
#else
	for (i = 0; i < inc; i++) {
		if ((uint8_t)in_name[i] < 0x20 || (uint8_t)in_name[i] > 0x7E)
			out_name[i] = '?';
		else
			out_name[i] = in_name[i];
	}
	out_name[i] = 0;
#endif
	free (in_name);

	/* Remove file extension, and if necessary truncate the name */
	c = strrchr (out_name, '.');
	if (c)
		*c = 0;
	if (outc > ST2205_FILENAME_LENGTH)
		out_name[ST2205_FILENAME_LENGTH] = 0;

	ret = gp_file_get_data_and_size (file, (const char **)&filedata,
					 &filesize);
	if (ret < 0) { free (out_name); return ret; }

	/* Try loading the file using gd, starting with the most often
	   used types first */

	/* gdImageCreateFromJpegPtr is chatty on error, don't call it on
	   non JPEG files */
	if (filesize > 2 &&
	    (uint8_t)filedata[0] == 0xff && (uint8_t)filedata[1] == 0xd8)
		im_in = gdImageCreateFromJpegPtr(filesize, filedata);
	if (im_in == NULL)
		im_in = gdImageCreateFromPngPtr(filesize, filedata);
	if (im_in == NULL)
		im_in = gdImageCreateFromGifPtr(filesize, filedata);
	if (im_in == NULL)
		im_in = gdImageCreateFromWBMPPtr(filesize, filedata);
	if (im_in == NULL) {
		gp_log (GP_LOG_ERROR, "st2205",
			"Unrecognized file format for file: %s%s",
			folder, name);
		free (out_name);
		return GP_ERROR_BAD_PARAMETERS;
	}

	if (needs_rotation (camera)) {
		rotated = gdImageCreateTrueColor (im_in->sy, im_in->sx);
		if (rotated == NULL) {
			gdImageDestroy (im_in);
			free (out_name);
			return GP_ERROR_NO_MEMORY;
		}
		rotate90 (im_in, rotated);
		gdImageDestroy (im_in);
		im_in = rotated;
	}

	im_out = gdImageCreateTrueColor(camera->pl->width, camera->pl->height);
	if (im_out == NULL) {
		gdImageDestroy (im_in);
		free (out_name);
		return GP_ERROR_NO_MEMORY;
	}

	/* Keep aspect */
	aspect_in  = (double)im_in->sx / im_in->sy;
	aspect_out = (double)im_out->sx / im_out->sy;
	if (aspect_in > aspect_out) {
		/* Reduce in width (crop left and right) */
		in_width = (im_in->sx / aspect_in) * aspect_out;
		in_x = (im_in->sx - in_width) / 2;
		in_height = im_in->sy;
		in_y = 0;
	} else {
		/* Reduce in height (crop top and bottom) */
		in_width = im_in->sx;
		in_x = 0;
		in_height = (im_in->sy * aspect_in) / aspect_out;
		in_y = (im_in->sy - in_height) / 2;
	}

	gdImageCopyResampled (im_out, im_in, 0, 0, in_x, in_y,
			      im_out->sx, im_out->sy,
			      in_width, in_height);

	if (im_in->sx != im_out->sx ||
	    im_in->sy != im_out->sy)
		gdImageSharpen(im_out, 100);

	ret = st2205_write_file (camera, out_name, im_out->tpixels);
	if (ret >= 0) {
		/* Add to our filenames list */
		ST2205_SET_FILENAME(camera->pl->filenames[ret], out_name, ret);
		/* And commit the changes to the device */
		ret = st2205_commit(camera);
	}

	gdImageDestroy (im_in);
	gdImageDestroy (im_out);
	free (out_name);
	return ret;
#else
	gp_log(GP_LOG_ERROR,"st2205", "GD compression not supported - no libGD present during build");
	return GP_ERROR_NOT_SUPPORTED;
#endif
}
Ejemplo n.º 4
0
static int
put_file_func (CameraFilesystem *fs, const char *folder, CameraFile *file,
		void *data, GPContext *context)
{
#ifdef HAVE_GD
	Camera *camera = data;
	char *filedata = NULL;
	const char *name;
	int ret, in_width, in_height, in_x, in_y;
	double aspect_in, aspect_out;
	unsigned long filesize = 0;
	gdImagePtr im_out, im_in = NULL;

	if (strcmp (folder, "/"))
		return GP_ERROR_DIRECTORY_NOT_FOUND;

	CHECK (gp_file_get_name (file, &name))

	CHECK (gp_file_get_data_and_size (file, (const char **)&filedata,
					  &filesize))

	/* Try loading the file using gd, starting with the most often
	   used types first */

	/* gdImageCreateFromJpegPtr is chatty on error, don't call it on
	   non JPEG files */
	if (filesize > 2 &&
	    (uint8_t)filedata[0] == 0xff && (uint8_t)filedata[1] == 0xd8)
		im_in = gdImageCreateFromJpegPtr(filesize, filedata);
	if (im_in == NULL)
		im_in = gdImageCreateFromPngPtr(filesize, filedata);
	if (im_in == NULL)
		im_in = gdImageCreateFromGifPtr(filesize, filedata);
	if (im_in == NULL)
		im_in = gdImageCreateFromWBMPPtr(filesize, filedata);
	if (im_in == NULL) {
		gp_log (GP_LOG_ERROR, "tp6801",
			"Unrecognized file format for file: %s%s",
			folder, name);
		return GP_ERROR_BAD_PARAMETERS;
	}

	im_out = gdImageCreateTrueColor(camera->pl->width, camera->pl->height);
	if (im_out == NULL) {
		gdImageDestroy (im_in);
		return GP_ERROR_NO_MEMORY;
	}

	/* Keep aspect */
	aspect_in  = (double)im_in->sx / im_in->sy;
	aspect_out = (double)im_out->sx / im_out->sy;
	if (aspect_in > aspect_out) {
		/* Reduce in width (crop left and right) */
		in_width = (im_in->sx / aspect_in) * aspect_out;
		in_x = (im_in->sx - in_width) / 2;
		in_height = im_in->sy;
		in_y = 0;
	} else {
		/* Reduce in height (crop top and bottom) */
		in_width = im_in->sx;
		in_x = 0;
		in_height = (im_in->sy * aspect_in) / aspect_out;
		in_y = (im_in->sy - in_height) / 2;
	}

	gdImageCopyResampled (im_out, im_in, 0, 0, in_x, in_y,
			      im_out->sx, im_out->sy,
			      in_width, in_height);

	if (im_in->sx != im_out->sx ||
	    im_in->sy != im_out->sy)
		gdImageSharpen(im_out, 100);

	ret = tp6801_write_file (camera, im_out->tpixels);
	if (ret >= 0) {
		/* Commit the changes to the device */
		ret = tp6801_commit(camera);
	}

	gdImageDestroy (im_in);
	gdImageDestroy (im_out);
	return ret;
#else
	gp_log(GP_LOG_ERROR,"tp6801", "GD compression not supported - no libGD present during build");
	return GP_ERROR_NOT_SUPPORTED;
#endif
}
Ejemplo n.º 5
0
gdImagePtr ImageRead( struct ImageLibrary *im, File *rootDev, const char *path )
{
	gdImagePtr img = NULL;
	FHandler *fh = rootDev->f_FSys;
	File *rfp = (File *)fh->FileOpen( rootDev, path, "rb" );
	if( rfp != NULL )
	{
		BufString *bs = BufStringNew( );
		char buffer[ 20048 ];
		int len = 0;

		while( ( len = fh->FileRead( rfp, buffer, 20048 ) ) > 0 )
		{
			BufStringAddSize( bs, buffer, len );
		}
		
		img = gdImageCreateFromJpegPtr( bs->bs_Size, (void *)bs->bs_Buffer ) ;
		if( img == NULL )
		{
			if( img == NULL )
			{
				img = gdImageCreateFromBmpPtr( bs->bs_Size, (void *)bs->bs_Buffer ) ;
				if( img == NULL )
				{
					img = gdImageCreateFromGifPtr( bs->bs_Size, (void *)bs->bs_Buffer ) ;
					if( img == NULL )
					{
						img = gdImageCreateFromPngPtr( bs->bs_Size, (void *)bs->bs_Buffer ) ;
						if( img == NULL )
						{
							img = gdImageCreateFromTgaPtr( bs->bs_Size, (void *)bs->bs_Buffer ) ;
							if( img == NULL )
							{
								img = gdImageCreateFromTiffPtr( bs->bs_Size, (void *)bs->bs_Buffer ) ;
								if( img == NULL )
								{
									img = gdImageCreateFromWBMPPtr( bs->bs_Size, (void *)bs->bs_Buffer ) ;
									if( img == NULL )
									{
										img = gdImageCreateFromWebpPtr( bs->bs_Size, (void *)bs->bs_Buffer ) ;
									}
								}
							}
						}
					}
				}
			}
		}
		
		if( img == NULL )
		{
			ERROR("Graphics format not recognized\n");
		}
		
		BufStringDelete( bs );
		
		fh->FileClose( rootDev, rfp );
	}
	else
	{
		ERROR("Cannot open file: %s to read\n", path );
	}
	return img;
}