Revert "Quick and dirty PHP7 port."

#include "php.h"
#include "php_imlib.h"

#define php_filter_init			php_testfilter_LTX_php_filter_init
#define php_filter_deinit		php_testfilter_LTX_php_filter_deinit
#define php_filter_exec			php_testfilter_LTX_php_filter_exec
#define php_filter_getfiltercount	php_testfilter_LTX_php_filter_getfiltercount
#define php_filter_getfilternames	php_testfilter_LTX_php_filter_getfilternames
#define php_filter_getextinfo		php_testfilter_LTX_php_filter_getextinfo
#define php_filter_getparams		php_testfilter_LTX_php_filter_getparams

static int
_php_testfilter_tint(Imlib_Image im, HashTable* params)
{
      Imlib_Image imge = im;
      Imlib_Image anoim;
      HashPosition pos;

      Imlib_Color_Modifier cm;
      DATA8 atab[256];
      int x = 0, y = 0, w = 0, h = 0;
      DATA8 r = 255, b = 255, g = 255, a = 255;
/*
      printf( "php_testfilter.c: tint called\n" );
 */
      /* Set friendly defaults */
      imlib_context_set_image( imge );
      w = imlib_image_get_width();
      h = imlib_image_get_height();

      zend_hash_internal_pointer_reset_ex(params,&pos);
      while (pos)
      {
        char *str_index;
        ulong num_index;
        int retval;

        retval=zend_hash_get_current_key_ex(params,&str_index,NULL,&num_index,0,&pos);
        if (retval==HASH_KEY_IS_STRING)
        {
          zval **data;
          zend_hash_get_current_data_ex(params,&data,&pos);
          convert_to_long_ex(data);
          if (!strcmp(str_index,"red")) r=Z_LVAL_PP(data);
          if (!strcmp(str_index,"blue")) b=Z_LVAL_PP(data);
          if (!strcmp(str_index,"green")) g=Z_LVAL_PP(data);
          if (!strcmp(str_index,"x")) x=Z_LVAL_PP(data);
          if (!strcmp(str_index,"y")) y=Z_LVAL_PP(data);
          if (!strcmp(str_index,"w")) w=Z_LVAL_PP(data);
          if (!strcmp(str_index,"h")) h=Z_LVAL_PP(data);
          if (!strcmp(str_index,"alpha")) a=Z_LVAL_PP(data);
        }
      zend_hash_move_forward_ex(params,&pos);
      }
/*
      zend_printf( "Using values red=%d,blue=%d,green=%d,x=%d,y=%d,height=%d,width=%d,alpha=%d\n", r,b,g,x,y,w,h,a );
 */
      anoim = imlib_create_image( w, h );
      cm = imlib_create_color_modifier();
      imlib_context_set_color_modifier(cm);
      imlib_context_set_image(anoim);

      imlib_context_set_color(r, g, b, 255);
      imlib_image_fill_rectangle(0, 0, w, h);
      imlib_context_set_blend(1);
      imlib_image_set_has_alpha(1);

      memset(atab, a, sizeof(atab));
      imlib_set_color_modifier_tables(NULL, NULL, NULL, atab);
      imlib_apply_color_modifier_to_rectangle(0, 0, w, h);

      imlib_context_set_image( imge );
      imlib_blend_image_onto_image( anoim, 0, 0, 0, w, h, x, y, w, h);

      imlib_free_color_modifier();
      imlib_context_set_image(anoim);
      imlib_free_image_and_decache();
      imlib_context_set_image(imge);

      return SUCCESS;
}

int
php_filter_init()
{
   return SUCCESS;
}

void
php_filter_deinit()
{
	return;
}

int
php_filter_exec(Imlib_Image im, char *filter, HashTable *params)
{
	if (!strcmp(filter, "tint"))
	{
		return _php_testfilter_tint(im,params);
	}
	return FAILURE;
}

int
php_filter_getfiltercount()
{
	return 1;
}

void
php_filter_getfilternames(char** filternames)
{
	filternames[0]="tint";
}

void
php_filter_getextinfo(char** info)
{
	info[0]="Test Filter";
	info[1]="Just a simple native php_imlib filter, based on Chriss Ross' test filter from imlib2 package.";
	info[2]="Piotr Pawlow (pp@siedziba.pl)";
}

char*
php_filter_getparams(char* filter)
{
	if (!strcmp(filter, "tint")) return "int x=0, int y=0, int w=image_width, int h=image_height, int red=255, int green=255, int blue=255, int alpha=255";
	return NULL;
}