示例#1
0
int magickCompressImage(const char *imageFile, const char *outputImage, const char *format, int compressionType, double compressionRate){
    MagickBooleanType status;

    MagickWand *magick_wand;

    /*
      Read an image.
    */
 //   printf("compressionRate: %d", compressionRate);
    MagickWandGenesis();
    magick_wand=NewMagickWand();  
    status=MagickReadImage(magick_wand, (char *)imageFile);
    if (status == MagickFalse){
      ThrowWandException(magick_wand);
    }
    /*
      Turn the images into a thumbnail sequence.
    */
//    MagickResetIterator(magick_wand);
//    while (MagickNextImage(magick_wand) != MagickFalse){
        MagickSetFormat(magick_wand, (char *)format);
        MagickSetImageCompression(magick_wand, compressionType);
        MagickSetImageCompressionQuality(magick_wand, compressionRate);
//    }

    /*
      Write the image then destroy it.
    */
    status=MagickWriteImages(magick_wand, (char *)outputImage, MagickTrue);
    if (status == MagickFalse)
      ThrowWandException(magick_wand);
    magick_wand=DestroyMagickWand(magick_wand);
    MagickWandTerminus();
    return status;
}
示例#2
0
int magickUnsharpMaskImage(const char *imageFile, const char *outputImage, double radius, double sigma, double amount, double threshold){
    MagickBooleanType status;

    MagickWand *magick_wand;

    /*
      Read an image.
    */
    MagickWandGenesis();
    magick_wand=NewMagickWand();  
    status=MagickReadImage(magick_wand, (char *)imageFile);
    if (status == MagickFalse){
      ThrowWandException(magick_wand);
    }
    /*
      Turn the images into a thumbnail sequence.
    */
//    MagickResetIterator(magick_wand);
//    while (MagickNextImage(magick_wand) != MagickFalse)
      MagickUnsharpMaskImage(magick_wand, radius, sigma, amount, threshold);
    /*
      Write the image then destroy it.
    */
    status=MagickWriteImages(magick_wand, (char *)outputImage, MagickTrue);
    if (status == MagickFalse)
      ThrowWandException(magick_wand);
    magick_wand=DestroyMagickWand(magick_wand);
    MagickWandTerminus();
    return status;
}
示例#3
0
Object c_Gmagick::t_writeimage(CStrRef filename, bool all_frames) {
  INSTANCE_METHOD_INJECTION_BUILTIN(Gmagick, Gmagick::writeimage);
  checkNotEmpty();

  const char *c_filename;

  if (filename.isNull()) {
    c_filename = MagickGetImageFilename(magick_wand);
    if (!c_filename) {
  	  throwException("No image filename specified", FileOpenFatalError);
    }
  } else {
    c_filename = filename->data();
  }

  int filename_len = strlen(c_filename);

  if (!filename_len) {
    throwException("Unable to write the image. Empty filename string provided", FileOpenFatalError);
  }

  int result;
  if (all_frames) {
    result = MagickWriteImage(magick_wand, c_filename);
  } else {
    result = MagickWriteImages(magick_wand, c_filename, MagickTrue);
  }

  checkResult(result);

  return this;
}
示例#4
0
int main(int argc,char **argv)
{
	
	//creamos la imagen
	MagickWand *imagen, *imagen2;
	int proporcion = atoi(argv[3]);
	
	//inicializamos la imagen
	imagen = NewMagickWand();
	imagen2 = NewMagickWand();
	
	//cargamos la imagen
	MagickReadImage(imagen,argv[1]);
	
	//imagen2 = CloneMagickWand(imagen);

	//llamamos a la funcion de redimension
	Resize(imagen,imagen2,proporcion);
	
	//guardamos la imagen en disco
	MagickWriteImages(imagen2,argv[2],MagickTrue);
	
	//liberamos memoria destruyendo la imagen
	imagen = DestroyMagickWand(imagen2);
	
	//terminamos ejecucion de la libreria
	MagickWandTerminus();
	
	return 0;
}
示例#5
0
int main(int argc,char **argv) {
    MagickWand *magick_wand;
    MagickBooleanType status;

    MagickWandGenesis();
    magick_wand = NewMagickWand();

    MagickSetResourceLimit(MemoryResource, 1000 * 1000);
    MagickSetResourceLimit(DiskResource, 1000 * 1000);
    

    status = MagickReadImage(magick_wand, "./images/picture-100M-6000x6000.png");

    if (status == MagickFalse) {
        printf("Failed to MagickReadImage");
        return -1;
    }

    printf("This shouldn't be reached - the image is larger than the area resource.\n");

    MagickSetImageFormat(magick_wand, "png");

    status = MagickWriteImages(magick_wand, "./output/resource_output.png", MagickTrue);
    if (status == MagickFalse) {
        printf("Failed to MagickWriteImages");
        return -1;
    }

    MagickWandTerminus();
 
    return(0);
}
示例#6
0
int magickChopImage(const char *imageFile, const char *outputImage, int width, int height, int xPos, int yPos){
    MagickBooleanType status;

    MagickWand *magick_wand;

    /*
      Read an image.
    */
    MagickWandGenesis();
    magick_wand=NewMagickWand();  
    status=MagickReadImage(magick_wand, (char *)imageFile);
    if (status == MagickFalse){
      ThrowWandException(magick_wand);
    }
    /*
      Turn the images into a thumbnail sequence.
    */
    MagickResetIterator(magick_wand);
    while (MagickNextImage(magick_wand) != MagickFalse)
      MagickChopImage(magick_wand, width, height, xPos, yPos);
    /*
      Write the image then destroy it.
    */
    status=MagickWriteImages(magick_wand, (char *)outputImage, MagickTrue);
    if (status == MagickFalse)
      ThrowWandException(magick_wand);
    magick_wand=DestroyMagickWand(magick_wand);
    MagickWandTerminus();
    return status;
}
示例#7
0
int main(int argc,char **argv) {
	MagickWand *magick_wand;
	MagickBooleanType status;

	MagickWandGenesis();
	magick_wand = NewMagickWand();

	//This is a color image
	status = MagickReadImage(magick_wand, "./Biter_500.jpg");

	MagickScaleImage(magick_wand, 16, 16);

//	MagickQuantizeImage(
//		magick_wand,
//		//Changing to 255 makes the image change to grayscale
//		255,
//		GRAYColorspace,
//		0,
//		0,
//		0
//	);

	status = MagickWriteImages(magick_wand, "./67258.jpg", MagickTrue);
	MagickWandTerminus();
 
    return(0);
}
示例#8
0
int magickResizeImage(const char *imageFile, const char *outputImage, int columns, int rows, int magickFilter, double blur){
    MagickBooleanType status;

    MagickWand *magick_wand;

    /*
      Read an image.
    */
    MagickWandGenesis();
    magick_wand=NewMagickWand();  
    status=MagickReadImage(magick_wand, (char *)imageFile);
    if (status == MagickFalse){
      ThrowWandException(magick_wand);
    }
    /*
      Turn the images into a thumbnail sequence.
    */
    MagickResetIterator(magick_wand);
    while (MagickNextImage(magick_wand) != MagickFalse)
      MagickResizeImage(magick_wand, columns, rows, LanczosFilter, blur);
    /*
      Write the image then destroy it.
    */
    status=MagickWriteImages(magick_wand, (char *)outputImage, MagickTrue);
    if (status == MagickFalse)
      ThrowWandException(magick_wand);
    magick_wand=DestroyMagickWand(magick_wand);
    MagickWandTerminus();
    return status;
    
}
示例#9
0
int magickRotateImage(const char *imageFile, const char *outputImage, double degree){
    MagickBooleanType status;
    MagickWand *magick_wand;

    PixelWand * bg = malloc(sizeof(PixelWand *));
    /*
      Read an image.
    */
    MagickWandGenesis();
    magick_wand=NewMagickWand();  
    status=MagickReadImage(magick_wand, (char *)imageFile);
    if (status == MagickFalse){
      ThrowWandException(magick_wand);
    }
    /*
      Turn the images into a thumbnail sequence.
    */
    MagickResetIterator(magick_wand);
    while (MagickNextImage(magick_wand) != MagickFalse)
      MagickRotateImage(magick_wand, bg, degree);
//    MagickSetImageCompression(magick_wand, MW_JPEGCompression);
//    MagickUnsharpMaskImage( magick_wand, 4.5, 4.0, 4.5, 0.02 );
    /*
      Write the image then destroy it.
    */
    status=MagickWriteImages(magick_wand, (char *)outputImage, MagickTrue);
    if (status == MagickFalse)
      ThrowWandException(magick_wand);
    magick_wand=DestroyMagickWand(magick_wand);
    MagickWandTerminus();
    return status;
}
示例#10
0
int magickModulateImage(const char *imageFile, const char *outputImage, double brightness, double saturation, double hue){
    MagickBooleanType status;

    MagickWand *magick_wand;

    /*
      Read an image.
    */
    MagickWandGenesis();
    magick_wand=NewMagickWand();  
    status=MagickReadImage(magick_wand, (char *)imageFile);
    if (status == MagickFalse){
      ThrowWandException(magick_wand);
    }
    /*
      Turn the images into a thumbnail sequence.
    */
    MagickResetIterator(magick_wand);
    while (MagickNextImage(magick_wand) != MagickFalse)
      MagickModulateImage(magick_wand, brightness, saturation, hue);
    /*
      Write the image then destroy it.
    */
    status=MagickWriteImages(magick_wand, (char *)outputImage, MagickTrue);
    if (status == MagickFalse)
      ThrowWandException(magick_wand);
    magick_wand=DestroyMagickWand(magick_wand);
    MagickWandTerminus();
    return status;
}
示例#11
0
caddr_t
im_write (im_env_t *env)
  {
  if (env->ime_output_filename)
  {
      env->ime_status = MagickWriteImages (env->ime_magick_wand, env->ime_output_filename, MagickTrue);
      if (env->ime_status == MagickFalse)
        im_leave_with_error (env, "22023", "IM001", "Cannot write to file \"%.1000s\"", env->ime_output_filename);
      return NULL;
  }
  else
{
      size_t length = 0;
      caddr_t image_blob = MagickGetImagesBlob (env->ime_magick_wand, &length);
  caddr_t res;
      if (length != 0)
  {
          res = dk_alloc_box (length, DV_BIN);
          memcpy (res, image_blob, length);
          MagickRelinquishMemory (image_blob);
  }
  else
    res = NEW_DB_NULL;
  return res;
}
  }
示例#12
0
bool ImageMagickGIFEncoderClose(struct ImageMagickGIFEncoder* encoder) {
	if (!encoder->wand) {
		return false;
	}

	MagickBooleanType success = MagickWriteImages(encoder->wand, encoder->outfile, MagickTrue);
	DestroyMagickWand(encoder->wand);
	encoder->wand = 0;
	free(encoder->outfile);
	free(encoder->frame);
	MagickWandTerminus();
	return success == MagickTrue;
}
示例#13
0
int main(int argc, char **argv){
    if (argc != 4){
        (void) fprintf(stdout,"Usage: %s palette input-file output-file\n",argv[0]);
        exit(0);
    }
    read_palette(argv[1]);
    print_palette();
    
    char *description;
    ExceptionType severity;


    #define ThrowWandException(wand) \
    { \
        description=MagickGetException(wand,&severity); \
        (void) fprintf(stderr,"%s %s %lu %s\n",GetMagickModule(),description); \
        description=(char *) MagickRelinquishMemory(description); \
        exit(-1); \
    }

    MagickBooleanType status;
    MagickPixelPacket pixel;
    MagickWand *wand;
    WandView *view;
    /*
       Read an image.
       */
    MagickWandGenesis();
    wand = NewMagickWand();
    status = MagickReadImage(wand, argv[2]);
    if (status == MagickFalse) ThrowWandException(wand);

    /*
       Sigmoidal non-linearity contrast control.
       */
    view = NewWandView(wand);
    if (view == (WandView *) NULL) ThrowWandException(wand);
    status = UpdateWandViewIterator(view, recolor, (void *)NULL);
    if (status == MagickFalse) ThrowWandException(wand);
    view = DestroyWandView(view);

    /*
       Write the image then destroy it.
       */
    status = MagickWriteImages(wand, argv[3], MagickTrue);
    if (status == MagickFalse) ThrowWandException(wand);
    wand = DestroyMagickWand(wand);
    MagickWandTerminus();

    return 0;
}
示例#14
0
int main(int argc,char **argv) {
    
    MagickBooleanType status;
    PixelWand *pixelWand;

    MagickWand *magick_wand_a;
    MagickWand *magick_wand_b;
    //MagickWand *magick_wand_c;

    MagickWandGenesis();

    magick_wand_a = NewMagickWand();
    status = MagickReadImage(magick_wand_a, "./displaceCompositeA.png");
    if (status == MagickFalse) {
        ThrowWandException(magick_wand_a);
    }
    
    magick_wand_b = NewMagickWand();
    status = MagickReadImage(magick_wand_b, "./displaceMask.png");
    if (status == MagickFalse) {
        ThrowWandException(magick_wand_b);
    }
    
    MagickSetImageVirtualPixelMethod(magick_wand_a, TransparentVirtualPixelMethod);

    pixelWand = makePixelWand("none");
    status = MagickSetImageBackgroundColor(magick_wand_a, pixelWand);
    
    MagickSetOption(magick_wand_a, "compose:args", "300x53.033");
    status = MagickCompositeImage(magick_wand_a, magick_wand_b, DisplaceCompositeOp, 0, 0);
    if (status == MagickFalse) {
        printf("Failed to composite image b");
        exit(-1); 
    }
      
    status = MagickWriteImages(magick_wand_a, "displaceOutputMerged.png", MagickTrue);

    MagickWandTerminus();
    
    printf("Finished - please compare displaceOutputMerged.png with the result of:\n\n");

    printf("convert displaceCompositeA.png displaceMask.png -virtual-pixel transparent -channel rgba -alpha on -background transparent -define compose:args=300x53.033 -compose displace -composite displaceMerged.png");
    
    return(0);
}
示例#15
0
int resize_image(char* path, char* req_path, size_t size, char* mode)
{
	// Create new image
	MagickWand* magick_wand = NewMagickWand();
	if((uintptr_t)magick_wand < 1)
		error("Could not initialize ImageMagick (magick_wand is NULL)", EXIT_FAILURE);

	// Read the Image
	bool status = MagickReadImage(magick_wand, path);
	if (status == false)
		return -1;

	size_t width = MagickGetImageWidth(magick_wand);
	size_t height = MagickGetImageHeight(magick_wand);

	// If the size is bigger than both height and width, redirect to original
	if(size >= width)
		return 1;

	size_t new_height = size;
	size_t new_width = size;

	// Unless a square image is requested, calculcate proper aspect ratio
	if(size != 1 && strcmp(mode, "square"))
		new_height = height * size / width;

	/* Turn the image into a thumbnail sequence (for animated GIFs)
	 * Automatically switches to a less cpu intense filter for animated GIFs.
	 */
	MagickResetIterator(magick_wand);
	for(int i = 0; MagickNextImage(magick_wand) != false && i < 250; i++)
		MagickResizeImage(magick_wand, new_width, new_height, !i ? LanczosFilter : TriangleFilter, 1);

	// Write the image
	status = MagickWriteImages(magick_wand, req_path, true);
	if (status == MagickFalse)
		error("Could not write image", EXIT_FAILURE)

	DestroyMagickWand(magick_wand);
	return 0;
}
示例#16
0
static PyObject *
im_WriteImage(PyObject *self, PyObject *args) {

	void *magick_pointer;
	MagickWand *magick_wand;
	char *filepath = NULL;
	MagickBooleanType status;

	if (!PyArg_ParseTuple(args, "Os", &magick_pointer, &filepath)){
		return Py_BuildValue("i", 0);
	}

	magick_wand = (MagickWand *) PyCObject_AsVoidPtr(magick_pointer);
	status = MagickWriteImages(magick_wand, filepath, MagickTrue);

	if (status == MagickFalse){
		return Py_BuildValue("i", 0);
	}

	return Py_BuildValue("i", 1);
}
示例#17
0
  int main(int argc,char **argv)
  {
  #define ThrowWandException(wand) \
  { \
    char \
      *description; \
   \
    ExceptionType \
      severity; \
   \
    description=MagickGetException(wand,&severity); \
    (void) fprintf(stderr,"%s %s %ld %s\n",GetMagickModule(),description); \
    description=(char *) MagickRelinquishMemory(description); \
    exit(-1); \
  }
  
    MagickBooleanType
      status;
  
    MagickWand
      *magick_wand;
    MagickWand
      *tmp_magick_wand;
  
    /*
      Read an image.
    */
    size_t len;
    char *data;
		data = get_thumbnail(argv[1], argv[2], &len);
		MagickReadImageBlob(magick_wand, data, len);  
    status=MagickWriteImages(magick_wand,argv[3],MagickTrue);
    if (status == MagickFalse)
      ThrowWandException(magick_wand);
    magick_wand=DestroyMagickWand(magick_wand);
    MagickWandTerminus();
    return(0);
  }
示例#18
0
int thumbnail (char *image_name, char *thumbnail_name, int thumb_width, int thumb_height){

  MagickWand *magick_wand;
  MagickBooleanType status;

  /* Read an image. */
  MagickWandGenesis();
  magick_wand=NewMagickWand();
  status=MagickReadImage(magick_wand, image_name);
  if (status == MagickFalse) ThrowWandException(magick_wand, 1);
  
  /* Turn the images into a thumbnail sequence. */
  MagickResetIterator(magick_wand);
  while (MagickNextImage(magick_wand) != MagickFalse)
    MagickResizeImage(magick_wand,thumb_width,thumb_height,LanczosFilter,1.0);

  /* Write the image then destroy it. */
  status=MagickWriteImages(magick_wand, thumbnail_name, MagickTrue);
  if (status == MagickFalse) ThrowWandException(magick_wand, 2);
  magick_wand=DestroyMagickWand(magick_wand);
  MagickWandTerminus();
  
  return 0;
}
示例#19
0
文件: imgmin.c 项目: banzalik/imgmin
/*
 * given a source image, a destination filepath and a set of image metadata thresholds,
 * search for the lowest-quality version of the source image whose properties fall within our
 * thresholds.
 * this will produce an image file that looks the same to the casual observer, but which
 * contains much less information and results in a smaller file.
 * typical savings on unoptimized images vary widely from 10-80%, with 25-50% being most common.
 */
MagickWand * search_quality(MagickWand *mw, const char *dst,
                                   const struct imgmin_options *opt)
{
    MagickWand *tmp = NULL;
    char tmpfile[MAX_PATH] = "/tmp/imgminXXXXXX";
    if (0 == strcmp("-", dst))
    {
        if (-1 == mkstemp(tmpfile))
        {
            perror("mkstemp");
            return CloneMagickWand(mw);
        }
    } else {
        strcpy(tmpfile, dst);
    }

    /*
     * The overwhelming majority of JPEGs are TrueColorType; it is those types, with a low
     * unique color count, that we must avoid.
     */
    if (unique_colors(mw) < opt->min_unique_colors && MagickGetType(mw) != GrayscaleType)
    {
        fprintf(stderr, " Color count is too low, skipping...\n");
        return CloneMagickWand(mw);
    }

    if (quality(mw) < opt->quality_in_min)
    {
        fprintf(stderr, " Quality < %u, won't second-guess...\n", opt->quality_in_min);
        return CloneMagickWand(mw);
    }

    {
        ExceptionInfo *exception = AcquireExceptionInfo();

        const double original_density = color_density(mw);
        unsigned qmax = min(quality(mw), opt->quality_out_max);
        unsigned qmin = opt->quality_out_min;
        unsigned steps = 0;

        /*
         * binary search of quality space for optimally lowest quality that
         * produces an acceptable level of distortion
         */
        while (qmax > qmin + 1 && steps < opt->max_steps)
        {
            double distortion[CompositeChannels+1];
            double error;
            double density_ratio;
            unsigned q;

            steps++;
            q = (qmax + qmin) / 2;

            /* change quality */
            tmp = CloneMagickWand(mw);
            MagickSetImageCompressionQuality(tmp, q);

            /* apply quality change */
            MagickWriteImages(tmp, tmpfile, MagickTrue);
            DestroyMagickWand(tmp);
            tmp = NewMagickWand();
            MagickReadImage(tmp, tmpfile);

            /* quantify distortion produced by quality change
             * NOTE: writes to distortion[], which we don't care about
             * and to image(tmp)->error, which we do care about
             */
            (void) GetImageDistortion(GetImageFromMagickWand(tmp),
                                      GetImageFromMagickWand(mw),
                                      MeanErrorPerPixelMetric,
                                      distortion,
                                      exception);
            /* FIXME: in perlmagick i was getting back a number [0,255.0],
             * here something else is happening... the hardcoded divisor
             * is an imperfect attempt to scale the number back to the
             * perlmagick results. I really need to look into this.
             */
            error = GetImageFromMagickWand(tmp)->error.mean_error_per_pixel / 380.;
            density_ratio = fabs(color_density(tmp) - original_density) / original_density;
        
            /* eliminate half search space based on whether distortion within thresholds */
            if (error > opt->error_threshold || density_ratio > opt->color_density_ratio)
            {
                qmin = q;
            } else {
                qmax = q;
            }
            if (opt->show_progress)
            {
                fprintf(stderr, "%.2f/%.2f@%u ", error, density_ratio, q);
            }
        }
        if (opt->show_progress)
        {
            putc('\n', stderr);
        }

        MagickSetImageCompressionQuality(mw, qmax);

        /* "Chroma sub-sampling works because human vision is relatively insensitive to
         * small areas of colour. It gives a significant reduction in file sizes, with
         * little loss of perceived quality." [3]
         */
        (void) MagickSetImageProperty(mw, "jpeg:sampling-factor", "2x2");

        /* strip an image of all profiles and comments */
        (void) MagickStripImage(mw);

        MagickWriteImages(mw, tmpfile, MagickTrue);
        (void) DestroyMagickWand(tmp);
        tmp = NewMagickWand();
        MagickReadImage(tmp, tmpfile);

        exception = DestroyExceptionInfo(exception);
    }

    return tmp;
}
示例#20
0
文件: imgmin.c 项目: dpq/imgmin
/*
 * given a source image, a destination filepath and a set of image metadata thresholds,
 * search for the lowest-quality version of the source image whose properties fall within our
 * thresholds.
 * this will produce an image file that looks the same to the casual observer, but which
 * contains much less information and results in a smaller file.
 * typical savings on unoptimized images vary widely from 10-80%, with 25-50% being most common.
 */
MagickWand * search_quality(MagickWand *mw, const char *dst,
                                   const struct imgmin_options *opt)
{
    MagickWand *tmp = NULL;
    char tmpfile[MAX_PATH] = "/tmp/imgminXXXXXX";
    if (0 == strcmp("-", dst))
    {
        if (-1 == mkstemp(tmpfile))
        {
            perror("mkstemp");
            return CloneMagickWand(mw);
        }
    } else {
        strcpy(tmpfile, dst);
    }

    /*
     * The overwhelming majority of JPEGs are TrueColorType; it is those types, with a low
     * unique color count, that we must avoid.
     */
    if (!enough_colors(mw, opt))
    {
        fprintf(stdout, " Color count is too low, skipping...\n");
        return CloneMagickWand(mw);
    }

    if (quality(mw) < opt->quality_in_min)
    {
        fprintf(stdout, " Quality < %u, won't second-guess...\n", opt->quality_in_min);
        return CloneMagickWand(mw);
    }

    size_t width = MagickGetImageWidth(mw);
    size_t height = MagickGetImageHeight(mw);

    dssim_info *dssim = dssim_init(1);

    void *convert_data = convert_row_start(mw);
    dssim_set_original_float_callback(dssim, width, height, convert_row_callback, convert_data);
    convert_row_finish(convert_data);

    {
        ExceptionInfo *exception = AcquireExceptionInfo();

        const double original_density = color_density(mw);
        unsigned qmax = min(quality(mw), opt->quality_out_max);
        unsigned qmin = opt->quality_out_min;
        unsigned steps = 0;

        /*
         * binary search of quality space for optimally lowest quality that
         * produces an acceptable level of distortion
         */
        while (qmax > qmin + 1 && steps < opt->max_steps)
        {
            double density_ratio;
            unsigned q;

            steps++;
            q = (qmax + qmin) / 2;

            /* change quality */
            tmp = CloneMagickWand(mw);
            MagickSetImageCompressionQuality(tmp, q);

            /* apply quality change */
            MagickWriteImages(tmp, tmpfile, MagickTrue);
            DestroyMagickWand(tmp);
            tmp = NewMagickWand();
            MagickReadImage(tmp, tmpfile);

            void *convert_data = convert_row_start(tmp);
            dssim_set_modified_float_callback(dssim, width, height, convert_row_callback, convert_data);
            convert_row_finish(convert_data);

            double error = 20.0 * dssim_compare(dssim, NULL); // scaled to threshold of previous implementation

            density_ratio = fabs(color_density(tmp) - original_density) / original_density;

            /* color density ratio threshold is an alternative quality measure.
               If it's exceeded, pretend MSE was higher to increase quality */
            if (density_ratio > opt->color_density_ratio) {
                error *= 1.25 + density_ratio; // fudge factor
            }

            /* eliminate half search space based on whether distortion within thresholds */
            if (error > opt->error_threshold)
            {
                qmin = q;
            } else {
                qmax = q;
            }
            if (opt->show_progress)
            {
                fprintf(stdout, "%.2f/%.2f@%u ", error, density_ratio, q);
            }

            /* Stop searching if close enough to the target */
            if (fabs(error - opt->error_threshold) < opt->error_threshold * ERROR_THRESHOLD_INACCURACY) {
                qmax = q;
                break;
            }
        }
        if (opt->show_progress)
        {
            putc('\n', stdout);
        }

        MagickSetImageCompressionQuality(mw, qmax);

        /* "Chroma sub-sampling works because human vision is relatively insensitive to
         * small areas of colour. It gives a significant reduction in file sizes, with
         * little loss of perceived quality." [3]
         */
#if MagickLibVersion >= 0x630 /* FIXME: available in 0x660, not available in 0x628, not sure which version it was introduced in */
        (void) MagickSetImageProperty(mw, "jpeg:sampling-factor", "2x2");
#endif

        /* strip an image of all profiles and comments */
        (void) MagickStripImage(mw);

        MagickWriteImages(mw, tmpfile, MagickTrue);
        (void) DestroyMagickWand(tmp);
        tmp = NewMagickWand();
        MagickReadImage(tmp, tmpfile);

        exception = DestroyExceptionInfo(exception);
    }

    return tmp;
}
//---------------------------------------------------------------------
//		出力プラグイン処理本体
//---------------------------------------------------------------------
BOOL func_output( OUTPUT_INFO *oip )
{
    const double mabiki = 1;    //2にすると2フレーム中1フレームの間引き
                                //intだと四捨五入の計算ができない
    if( oip->n > 500 / mabiki )
        if( MessageBox( NULL, (LPCSTR) "大量のフレームが選択されています。\n本当に続行しますか?", (LPCSTR) "アニメーションGIF出力プラグイン", MB_YESNO | MB_ICONQUESTION )
            == IDNO )
            return TRUE;
    
    const int delay = round( mabiki * 100 * oip->scale / oip->rate );    //間引き×100÷フレームレートを四捨五入
    MagickWandGenesis();
    MagickWand *dest = NewMagickWand();
    
    for( int i = 0; i < oip->n; i = i + mabiki )
    {
        if( oip->func_is_abort() )
        {
            if( MessageBox( NULL, (LPCSTR) "ここまでの出力データをアニメーションGIFに書き込みますか?", (LPCSTR) "アニメーションGIF出力プラグイン", MB_YESNO | MB_ICONQUESTION )
                == IDYES )
                break;
            else
            {
                DestroyMagickWand( dest );
                MagickWandTerminus();
                return TRUE;
            }
        }
        oip->func_rest_time_disp( i, oip->n );
        
        int copy = 0;    //コピーフレーム数
        for( int j = 1; i + j < oip->n; j++ )
        {
            if( oip->func_get_flag( i + j ) & OUTPUT_INFO_FRAME_FLAG_COPYFRAME )
                copy++;
            else
                break;
        }
        
        MagickWand *source = NewMagickWand();
        if( !MagickConstituteImage( source, oip->w, oip->h, "BGR", CharPixel, oip->func_get_video_ex( i, 0 ) ) )    //NULLだと警告
            MessageBox( NULL, (LPCSTR) "データ取得失敗", (LPCSTR) "アニメーションGIF出力プラグイン", MB_OK|MB_ICONSTOP );
        MagickFlipImage( source );    //AviUtlからはボトムアップで渡されるが、MagickConstituteImageはトップダウン固定
        MagickSetImageDelay( source, delay * ( copy + 1 ) );    //コピーフレーム数0なら1倍
        //MagickSetImageDispose( source, 0 );
        MagickAddImage( dest, source );
        DestroyMagickWand( source );
        i = i + copy;    //コピーフレーム数分だけ先送り
        oip->func_update_preview();
    }
    MagickSetFirstIterator( dest );
    MagickQuantizeImages( dest, 256, RGBColorspace, 0, FloydSteinbergDitherMethod, MagickFalse );
    //MagickSetFirstIterator( dest );
    //MagickSetImageIterations( dest, 0 );
    if( !MagickSetFormat( dest, "GIF" ) )
        MessageBox( NULL, (LPCSTR) "GIFセット失敗", (LPCSTR) "アニメーションGIF出力プラグイン", MB_OK|MB_ICONSTOP );
    dest = MagickOptimizeImageLayers( MagickCoalesceImages( dest ) );    //ここでdisposeが1になる
    MagickOptimizeImageTransparency( dest );    //6.7.8-7以降が必要
    if( !MagickWriteImages( dest, oip->savefile, MagickTrue ) )
        MessageBox( NULL, (LPCSTR) "出力失敗", (LPCSTR) "アニメーションGIF出力プラグイン", MB_OK|MB_ICONSTOP );
    
    DestroyMagickWand( dest );
    MagickWandTerminus();
    return TRUE;
}
示例#22
0
int main(int argc,char **argv)
{
#define ThrowAPIException(wand) \
{ \
  description=MagickGetException(wand,&severity); \
  (void) FormatLocaleFile(stderr,"%s %s %lu %s\n",GetMagickModule(), \
    description); \
  description=(char *) MagickRelinquishMemory(description); \
  exit(-1); \
}

  static char
    CustomOption[] = "custom option",
    CustomProperty[] = "custom profile";

  static unsigned char
    sRGBProfile[] =
    {
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      0xf4, 0xc2, 0xf5, 0x50, 0xf5, 0xde, 0xf6, 0x6d, 0xf6, 0xfb, 0xf7,
      0x8a, 0xf8, 0x19, 0xf8, 0xa8, 0xf9, 0x38, 0xf9, 0xc7, 0xfa, 0x57,
      0xfa, 0xe7, 0xfb, 0x77, 0xfc, 0x07, 0xfc, 0x98, 0xfd, 0x29, 0xfd,
      0xba, 0xfe, 0x4b, 0xfe, 0xdc, 0xff, 0x6d, 0xff, 0xff
    };


  char
    *description,
    **options,
    **profiles,
    **properties;

  const char
    *option,
    *property;

  DrawingWand
    *drawing_wand;

  ExceptionType
    severity;

  MagickWand
    *clone_wand,
    *magick_wand;

  PixelIterator
    *iterator;

  PixelWand
    *background,
    *border,
    *fill,
    **pixels;

  register ssize_t
    i;

  unsigned char
    *profile;

  unsigned int
    status;

  size_t
    columns,
    delay,
    length,
    number_options,
    number_profiles,
    number_properties,
    number_wands,
    rows;

  (void) argc;
  (void) argv;
  MagickWandGenesis();
  magick_wand=NewMagickWand();
  (void) MagickSetSize(magick_wand,640,480);
  (void) MagickGetSize(magick_wand,&columns,&rows);
  if ((columns != 640) || (rows != 480))
    {
      (void) FormatLocaleFile(stderr,"Unexpected magick wand size\n");
      exit(1);
    }
  (void) FormatLocaleFile(stdout,"Reading images...\n");
  {
    char
      *p,
      path[MaxTextExtent];

    path[0]=0;
    p=getenv("SRCDIR");
    if (p != (char *) NULL)
      {
        (void) strcpy(path,p);
        if (path[strlen(path)-1] != '/')
          (void) strcat(path,"/");
      }
    (void) strcat(path,"sequence.miff");
    status=MagickReadImage(magick_wand,path);
  }
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  if (MagickGetNumberImages(magick_wand) != 5)
    (void) FormatLocaleFile(stderr,"read %.20g images; expected 5\n",
      (double) MagickGetNumberImages(magick_wand));
  (void) FormatLocaleFile(stdout,"Iterate forward...\n");
  MagickResetIterator(magick_wand);
  while (MagickNextImage(magick_wand) != MagickFalse)
    (void) FormatLocaleFile(stdout,"index %.20g scene %.20g\n",(double)
      MagickGetIteratorIndex(magick_wand),(double)
      MagickGetImageScene(magick_wand));
  (void) FormatLocaleFile(stdout,"Iterate reverse...\n");
  while (MagickPreviousImage(magick_wand) != MagickFalse)
    (void) FormatLocaleFile(stdout,"index %.20g scene %.20g\n",(double)
      MagickGetIteratorIndex(magick_wand),(double)
      MagickGetImageScene(magick_wand));
  (void) FormatLocaleFile(stdout,"Remove scene 1...\n");
  (void) MagickSetIteratorIndex(magick_wand,1);
  clone_wand=MagickGetImage(magick_wand);
  status=MagickRemoveImage(magick_wand);
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  MagickResetIterator(magick_wand);
  while (MagickNextImage(magick_wand) != MagickFalse)
    (void) FormatLocaleFile(stdout,"index %.20g scene %.20g\n",(double)
      MagickGetIteratorIndex(magick_wand),(double)
      MagickGetImageScene(magick_wand));
  (void) FormatLocaleFile(stdout,"Insert scene 1 back in sequence...\n");
  (void) MagickSetIteratorIndex(magick_wand,0);
  status=MagickAddImage(magick_wand,clone_wand);
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  MagickResetIterator(magick_wand);
  while (MagickNextImage(magick_wand) != MagickFalse)
    (void) FormatLocaleFile(stdout,"index %.20g scene %.20g\n",(double)
      MagickGetIteratorIndex(magick_wand),(double)
      MagickGetImageScene(magick_wand));
  (void) FormatLocaleFile(stdout,"Set scene 2 to scene 1...\n");
  (void) MagickSetIteratorIndex(magick_wand,2);
  status=MagickSetImage(magick_wand,clone_wand);
  clone_wand=DestroyMagickWand(clone_wand);
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  MagickResetIterator(magick_wand);
  while (MagickNextImage(magick_wand) != MagickFalse)
    (void) FormatLocaleFile(stdout,"index %.20g scene %.20g\n",(double)
      MagickGetIteratorIndex(magick_wand),(double)
      MagickGetImageScene(magick_wand));
  (void) FormatLocaleFile(stdout,"Apply image processing options...\n");
  status=MagickCropImage(magick_wand,60,60,10,10);
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  MagickResetIterator(magick_wand);
  background=NewPixelWand();
  status=PixelSetColor(background,"#000000");
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  status=MagickRotateImage(magick_wand,background,90.0);
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  border=NewPixelWand();
  (void) PixelSetColor(background,"green");
  (void) PixelSetColor(border,"black");
  status=MagickFloodfillPaintImage(magick_wand,CompositeChannels,background,
    0.01*QuantumRange,border,0,0,MagickFalse);
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  background=DestroyPixelWand(background);
  border=DestroyPixelWand(border);
  drawing_wand=NewDrawingWand();
  (void) PushDrawingWand(drawing_wand);
  (void) DrawRotate(drawing_wand,45);
  (void) DrawSetFontSize(drawing_wand,18);
  fill=NewPixelWand();
  (void) PixelSetColor(fill,"green");
  (void) DrawSetFillColor(drawing_wand,fill);
  fill=DestroyPixelWand(fill);
  (void) DrawAnnotation(drawing_wand,15,5,(const unsigned char *) "Magick");
  (void) PopDrawingWand(drawing_wand);
  (void) MagickSetIteratorIndex(magick_wand,1);
  status=MagickDrawImage(magick_wand,drawing_wand);
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  status=MagickAnnotateImage(magick_wand,drawing_wand,70,5,90,"Image");
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  drawing_wand=DestroyDrawingWand(drawing_wand);
  {
    unsigned char
      pixels[27],
      primary_colors[27] =
      {
          0,   0,   0,
          0,   0, 255,
          0, 255,   0,
          0, 255, 255,
        255, 255, 255,
        255,   0,   0,
        255,   0, 255,
        255, 255,   0,
        128, 128, 128,
      };

    (void) MagickSetIteratorIndex(magick_wand,2);
    status=MagickImportImagePixels(magick_wand,10,10,3,3,"RGB",CharPixel,
      primary_colors);
    if (status == MagickFalse)
      ThrowAPIException(magick_wand);
    status=MagickExportImagePixels(magick_wand,10,10,3,3,"RGB",CharPixel,
      pixels);
    if (status == MagickFalse)
      ThrowAPIException(magick_wand);
    for (i=0; i < 9; i++)
      if (pixels[i] != primary_colors[i])
        {
          (void) FormatLocaleFile(stderr,
            "Get pixels does not match set pixels\n");
          exit(1);
        }
  }
  (void) MagickSetIteratorIndex(magick_wand,3);
  status=MagickResizeImage(magick_wand,50,50,UndefinedFilter,1.0);
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  MagickResetIterator(magick_wand);
  while (MagickNextImage(magick_wand) != MagickFalse)
  {
    (void) MagickSetImageDepth(magick_wand,8);
    (void) MagickSetImageCompression(magick_wand,RLECompression);
  }
  MagickResetIterator(magick_wand);
  (void) MagickSetIteratorIndex(magick_wand,4);
  (void) FormatLocaleFile(stdout,
    "Utilitize pixel iterator to draw diagonal...\n");
  iterator=NewPixelIterator(magick_wand);
  if (iterator == (PixelIterator *) NULL)
    ThrowAPIException(magick_wand);
  pixels=PixelGetNextIteratorRow(iterator,&number_wands);
  for (i=0; pixels != (PixelWand **) NULL; i++)
  {
    (void) PixelSetColor(pixels[i],"#224466");
    (void) PixelSyncIterator(iterator);
    pixels=PixelGetNextIteratorRow(iterator,&number_wands);
  }
  (void) PixelSyncIterator(iterator);
  iterator=DestroyPixelIterator(iterator);
  (void) FormatLocaleFile(stdout,"Write to wandtest_out.miff...\n");
  status=MagickWriteImages(magick_wand,"wandtest_out.miff",MagickTrue);
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  (void) FormatLocaleFile(stdout,
    "Change image format from \"MIFF\" to \"GIF\"...\n");
  status=MagickSetImageFormat(magick_wand,"GIF");
  if (status == MagickFalse)
     ThrowAPIException(magick_wand);
  (void) FormatLocaleFile(stdout,"Set delay between frames to %d seconds...\n",
    WandDelay);
  status=MagickSetImageDelay(magick_wand,100*WandDelay);
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  delay=MagickGetImageDelay(magick_wand);
  if (delay != (100*WandDelay))
    {
      (void) FormatLocaleFile(stderr,"Get delay does not match set delay\n");
      exit(1);
    }
  (void) FormatLocaleFile(stdout,"Write to wandtest_out_0.gif...\n");
  status=MagickWriteImages(magick_wand,"wandtest_out.gif",MagickTrue);
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  (void) FormatLocaleFile(stdout,"Set, list, get, and delete wand option...\n");
  status=MagickSetOption(magick_wand,"wand:custom-option",CustomOption);
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  option=MagickGetOption(magick_wand,"wand:custom-option");
  if ((option == (const char *) NULL) ||
      (strlen(option) != strlen(CustomOption)) ||
      (memcmp(option,CustomOption,strlen(option)) != 0))
    {
      (void) FormatLocaleFile(stderr,"Option does not match\n");
      exit(1);
    }
  options=MagickGetOptions(magick_wand,"*",&number_options);
  if (options != (char **) NULL)
    {
      for (i=0; i < (ssize_t) number_options; i++)
      {
        (void) FormatLocaleFile(stdout,"  %s\n",options[i]);
        options[i]=(char *) MagickRelinquishMemory(options[i]);
      }
      options=(char **) MagickRelinquishMemory(options);
    }
  status=MagickDeleteOption(magick_wand,"wand:custom-option");
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  (void) FormatLocaleFile(stdout,
    "Set, list, get, and delete wand property...\n");
  status=MagickSetImageProperty(magick_wand,"wand:custom-property",
    CustomProperty);
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  property=MagickGetImageProperty(magick_wand,"wand:custom-property");
  if ((property == (const char *) NULL) ||
      (strlen(property) != strlen(CustomProperty)) ||
      (memcmp(property,CustomProperty,strlen(property)) != 0))
    {
      (void) FormatLocaleFile(stderr,"Property does not match\n");
      exit(1);
    }
  properties=MagickGetImageProperties(magick_wand,"*",&number_properties);
  if (properties != (char **) NULL)
    {
      for (i=0; i < (ssize_t) number_properties; i++)
      {
        (void) FormatLocaleFile(stdout,"  %s\n",properties[i]);
        properties[i]=(char *) MagickRelinquishMemory(properties[i]);
      }
      properties=(char **) MagickRelinquishMemory(properties);
    }
  status=MagickDeleteImageProperty(magick_wand,"wand:custom-property");
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  (void) FormatLocaleFile(stdout,
    "Set, list, get, and remove sRGB color profile...\n");
  status=MagickSetImageProfile(magick_wand,"sRGB",sRGBProfile,
    sizeof(sRGBProfile));
  if (status == MagickFalse)
    ThrowAPIException(magick_wand);
  profile=(unsigned char *) MagickGetImageProfile(magick_wand,"sRGB",&length);
  if ((profile == (unsigned char *) NULL) || (length != sizeof(sRGBProfile)) ||
      (memcmp(profile,sRGBProfile,length) != 0))
    {
      (void) FormatLocaleFile(stderr,"Profile does not match\n");
      exit(1);
    }
  profile=(unsigned char *) MagickRelinquishMemory(profile);
  profiles=MagickGetImageProfiles(magick_wand,"*",&number_profiles);
  if (profiles != (char **) NULL)
    {
      for (i=0; i < (ssize_t) number_profiles; i++)
      {
        (void) FormatLocaleFile(stdout,"  %s\n",profiles[i]);
        profiles[i]=(char *) MagickRelinquishMemory(profiles[i]);
      }
      profiles=(char **) MagickRelinquishMemory(profiles);
    }
  profile=(unsigned char *) MagickRemoveImageProfile(magick_wand,"sRGB",
    &length);
  if ((profile == (unsigned char *) NULL) || (length != sizeof(sRGBProfile)) ||
      (memcmp(profile,sRGBProfile,length) != 0))
    {
      (void) FormatLocaleFile(stderr,"Profile does not match\n");
      exit(1);
    }
  profile=(unsigned char *) MagickRelinquishMemory(profile);
  magick_wand=DestroyMagickWand(magick_wand);
  (void) FormatLocaleFile(stdout,"Wand tests pass.\n");
  return(0);
}
示例#23
0
int main(int argc, char **argv)
{
	printf("Hello World\n");
#define QuantumScale ((MagickRealType) 1.0/(MagickRealType) QuantumRange)
#define SigmoidalContrast(x) (QuantumRange*(1.0/(1+exp(10.0*(0.5-QuantumScale*x)))-0.0066928509)*1.0092503)

#define ThrowWandException(wand)\
	{\
		char *description;\
		ExceptionType\
		severity;\
		\
		description=MagickGetException(wand,&severity);\
		(void)fprintf(stderr,"%s %s %lu %s\n",GetMagickModule(),description);\
		exit(-1);\
	}
	long y;
	MagickBooleanType status;
	MagickPixelPacket pixel;
	MagickWand *contrast_wand, *image_wand;
	PixelIterator *contrast_iterator,*iterator;
	PixelWand **contrast_pixels, **pixels;
	register long x;
	unsigned long width;

	if (argc != 3)
	{
		(void)fprintf(stdout,"Usage: %s image sigmoidal-image\n",argv[0]);
		exit(0);
	}

	/*
	   Read an Image
	   */

	MagickWandGenesis();
	image_wand = NewMagickWand();
	status = MagickReadImage(image_wand,argv[1]);
	if(status == MagickFalse)
		ThrowWandException(image_wand);
	contrast_wand = CloneMagickWand(image_wand);
	/*
	   Sigmoidal non-linearity contrast control.
	   */

	iterator = NewPixelIterator(image_wand);
	contrast_iterator=NewPixelIterator(contrast_wand);

	if((iterator == (PixelIterator*)NULL) || (contrast_iterator == (PixelIterator*)NULL))
		ThrowWandException(image_wand);

	for(y=0; y<(long)MagickGetImageHeight(image_wand); y++)
	{
		pixels = PixelGetNextIteratorRow(iterator,&width);
		contrast_pixels = PixelGetNextIteratorRow(contrast_iterator,&width);
		if((pixels==(PixelWand**)NULL) || (contrast_pixels == (PixelWand**)NULL))
			break;

		for(x = 0; x<(long)width; x++)
		{
			PixelGetMagickColor(pixels[x],&pixel);
			pixel.red = SigmoidalContrast(pixel.red);
			pixel.green = SigmoidalContrast(pixel.green);
			pixel.blue = SigmoidalContrast(pixel.blue);
			pixel.index = SigmoidalContrast(pixel.index);
			PixelSetMagickColor(contrast_pixels[x],&pixel);
		}
		(void)PixelSyncIterator(contrast_iterator);
	}
	if(y < (long)MagickGetImageHeight(image_wand))
		ThrowWandException(image_wand);
	contrast_iterator = DestroyPixelIterator(contrast_iterator);
	iterator = DestroyPixelIterator(iterator);
	image_wand=DestroyMagickWand(image_wand);

	status = MagickWriteImages(contrast_wand,argv[2],MagickTrue);
	if(status == MagickFalse)
		ThrowWandException(image_wand);
	contrast_wand = DestroyMagickWand(contrast_wand);
	MagickWandTerminus();
	return 0;
}