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<?php
/**
 * Stylesheet functions.
 */

// File Security Check
if ( ! defined( 'ABSPATH' ) ) { exit; }

/**
 * Description here.
 *
 */
function dt_stylesheet_get_image( $img_1, $img_2 = '', $use_second_img = false ) {
    if( (!$img_1 || 'none' == $img_1) && (!$img_2 || 'none' == $img_2) )
        return 'none';

    if( (!$img_1 || 'none' == $img_1) && !$use_second_img ) {
        return "none";
    }

    $output = dt_get_of_uploaded_image( $img_1 );

    if( $use_second_img && $img_2 ) {
		if( !parse_url($img_2, PHP_URL_SCHEME) ) {
			$output = dt_get_of_uploaded_image($img_2);
		}else {
			$output = $img_2;
		}
    }
    $output = sprintf( "url('%s')", esc_url($output) );
    return $output;
}

/**
 * Description here.
 *
 */
function dt_stylesheet_get_bg_position ( $y, $x ) {
    return sprintf( '%s %s !important;', $y, $x );
}

/**
 * Description here.
 *
 */
function dt_stylesheet_get_opacity( $opacity = 0 ) {
	$opacity = ($opacity > 0) ? $opacity/100 : 0;
	return $opacity;
}

/**
 * Convert HEX color string format to rgb.
 *
 * If $_color is array - intval will be applied to each element, no hex to int conversion.
 * If $return_array is false (default) - rgb(x,x,x) string will be returned.
 *
 * @param array|string $_color Color.
 * @param bool $return_array Return array or string.
 *
 * @return array|string
 */
function dt_stylesheet_color_hex2rgb( $_color, $return_array = false ) {
	if ( is_array( $_color ) ) {
		$rgb_array = array_map( 'intval', $_color );
	} else {
		$color = str_replace( '#', '', trim( $_color ) );

		if ( strlen( $color ) < 6 ) {
			$color .= $color;
		}

		$rgb_array = sscanf( $color, '%2x%2x%2x' );

		if ( is_array( $rgb_array ) && count( $rgb_array ) === 3 ) {
			$rgb_array = array_map( 'absint', $rgb_array );
		} else {
			$rgb_array = array();
		}
	}

	if ( empty( $rgb_array ) ) {
		return ( $return_array ? array( 0, 0, 0 ) : '' );
	}

	if ( $return_array ) {
		return $rgb_array;
	}

	return sprintf( 'rgb(%d,%d,%d)', $rgb_array[0], $rgb_array[1], $rgb_array[2] );
}

/**
 * @param string $color
 * @param int    $opacity
 *
 * @return string
 */
function dt_stylesheet_color_hex2rgba( $color, $opacity = 0 ) {
	if ( ! $color ) {
		return '';
	}

	$color_obj = new The7_Less_Vars_Value_Color( $color );

	return $color_obj->opacity( $opacity )->get_rgba();
}

function dt_stylesheet_color_rgba2rgb( $rgba ) {
    $raw_rgba = str_replace( array( 'rgba(', ')' ), '', $rgba );
    $raw_rgba = explode( ',', $raw_rgba );
    $raw_rgba = array_map( 'trim', $raw_rgba );
    list( $R, $G, $B, $O ) = $raw_rgba;

    return sprintf( 'rgb(%s,%s,%s)', $R, $G, $B );
}

/**
 * Description here.
 *
 */
function dt_stylesheet_get_rgba_from_hex_color_for_ie( $params, $color, $opacity = 0 ) {
    $defaults = array(
        'important' => true
    );
    $params = wp_parse_args( $params, $defaults );

    if( is_array($color) ) {
        $hex_color = implode( '', $color );
    }else{
        $hex_color = str_replace( '#', '', $color );
    }

    $hex_opacity = ( $opacity > 0 ) ? dechex( round( $opacity * 2.55 ) ) : '00';

	if ( strlen( (string) $hex_opacity ) < 2 )
		$hex_opacity = '0'. $hex_opacity;

    return sprintf(
        'progid:DXImageTransform.Microsoft.gradient(startColorstr=#%2$s%1$s,endColorstr=#%2$s%1$s)',
        $hex_color, $hex_opacity
    );
}

/**
 * Description here.
 *
 */
function dt_stylesheet_get_shadow_color( $color, $params = ' 1px 1px 0' ) {
	$shadow = 'none';
	if( $color )
		$shadow = $color. $params;
	return $shadow;
}

/**
 * Return web font name and bold/italic properties.
 *
 * @param string $font
 * @return array array( 'font_name', 'properties' ).
 */
function dt_stylesheet_get_canonized_web_font( $font ) {
	if ( empty( $font ) ) { return array(); }

	$blod = $italic = '';
	$clear = explode('&', $font);
	$clear = explode(':', $clear[0]);

	if ( isset($clear[1]) ) {
		$vars = explode('italic', $clear[1]);

		if( isset($vars[1]) ) $italic = "\nfont-style: italic;";

		if( '700' == $vars[0] || 'bold' == $vars[0] ) {
			$bold = "\nfont-weight: bold;";
		} elseif ( '400' == $vars[0] || 'normal' == $vars[0] ) {
			$bold = "\nfont-weight: normal;";
		} elseif ( $vars[0] ) {
			$bold = "\nfont-weight: {$vars[0]};";
		} else {
			$bold = "\nfont-weight: normal;";
		}
	}else {
		$bold = "\nfont-weight: normal;";
	}
	return array( $clear[0], $italic . $bold );
}

/**
 * Return web font properties array.
 *
 * @param string $font
 * @return object/bool Returns object{'font_name', 'bold', 'italic'} or false.
 */
function dt_stylesheet_make_web_font_object( $font, $defaults = array() ) {
    // defaults
    $weight = $style = 'normal';
    $family = 'Arial';

    if ( !empty($defaults) ) { extract((array)$defaults); }

    $clear = explode('&', $font);
    $clear = explode(':', $clear[0]);

    if ( isset($clear[1]) ) {
        $vars = explode('italic', $clear[1]);

        if ( isset($vars[1]) ) $style = 'italic';

        if ( '700' == $vars[0] || 'bold' == $vars[0] ) {
            $weight = 'bold';
        } elseif ( '400' == $vars[0] || 'normal' == $vars[0] ) {
			$weight = 'normal';
		} elseif ( $vars[0] ) {
			$weight = $vars[0];
		}
	}

    if ( '' != $clear[0] ) {
        $family = $clear[0];
    }

    $font = new stdClass();
    $font->family = $family;
    $font->style = $style;
    $font->weight = $weight;

    return $font;
}

/**
 * Returns array( 'rgba', 'ie_color' ).
 *
 * @param string $color.
 * @param string $ie_color.
 * @param int $opacity.
 *
 * @return array.
 */
function dt_stylesheet_make_ie_compat_rgba( $color, $ie_color, $opacity ) {
    $return = array(
        'rgba' => dt_stylesheet_color_hex2rgba( $color, $opacity ),
        'ie_color' => $ie_color
    );

    if ( $opacity == 100 ) {
        $return['ie_color'] = $color;
    }

    return $return;
}