poster/src/Api.php

<?php
namespace Poster\Src;

use Dever;

class Api
{
	public function test()
	{
		return Dever::load('poster/api.gets', array('id' => 1));
	}

	public function gets()
	{
		$name = "专家介绍专家介绍专家介绍专家介绍专家介绍专家介绍专家介绍专家介绍专家介绍专家介绍专家介绍专家介绍";
		$name = Dever::addstr($name, 11, "11");
		return '<img src="' .$this->get('1', 'k1', array
		(
			'desc' => '吞吞吐吐',
			//'pic' => 'http://wx.5dev.cn/wechat/data/upload/applet/code/2018/07/26/69_48f3901dc1d6f839a12967f9b49f5f9c.jpg',
			'name' => $name,
		), 1) . '" />';
	}

	# 获取同一个key下的多个模板
	public function getList($key)
	{
		$where['key'] = $key;
		$template = Dever::db('poster/template')->getAll($where);

		return $template;
	}

	# 获取某个模板
    public function get($name, $key, $set, $update = false, $num = 1)
	{
		if (strstr($key, ',') || is_numeric($key)) {
			$where['ids'] = $key;
		} else {
			$where['key'] = $key;
		}

		$template = Dever::db('poster/template')->getAll($where);

		$total = count($template);

		if ($num > $total) {
			$num = $total;
		}

		$key = array_rand($template, 1);

		if (is_array($key)) {
			$result = array();
			foreach ($key as $k => $v) {
				$result[] = $this->getTemplate($set, $template, $v, $name, $update);
			}

			return $result;
		} else {
			return $this->getTemplate($set, $template, $key, $name, $update);
		}
		
		return false;
	}

	private function getTemplate($set, $template, $key, $name, $update)
	{
		$template = $template[$key];

		if ($template) {

			if (!$update) {
				$update = $template['update'];
			}

			$where = array();
			$where['template_id'] = $template['id'];
			$model = Dever::db('poster/model')->state($where);

			if ($model) {
				$config = array();
				$config['background'] = '';
				if (isset($set['width']) && $set['width']) {
					$template['width'] = $set['width'];
				}
				if (isset($set['height']) && $set['height']) {
					$template['height'] = $set['height'];
				}
				
				if (isset($set['background']) && $set['background']) {
					$config['background'] = Dever::local($set['background']);
					unset($set['background']);
				} elseif ($template['create'] == 2 && $template['background']) {
					$config['background'] = Dever::local($template['background']);
				} elseif ($template['create'] == 1) {

					$config['background'] = array
					(
						$template['width'], $template['height']
					);
				}
				
				$config['param'] = array();
				foreach ($model as $k => $v) {
					$param = $this->getConfig($v, $set);
					if ($param) {
						array_push($config['param'], $param);
					}
				}

				if ($config['param']) {
					$result = Dever::load('poster/lib/img')->create($config, $name, $template['type'], $update);

					return Dever::pic($result);
				}
			} else {
				return Dever::pic($template['background']);
			}
		}

		return false;
	}

	private function getConfig($value, $set)
	{
		$key = $value['key'];
		$param = array();
		if (!isset($set[$key])) {
			if ($value['type'] == 1 && $value['value_pic']) {
				$set[$key] = Dever::local($value['value_pic']);
			} else {
				$set[$key] = $value['value'];
			}
		}

		if (isset($set[$key])) {
			if ($value['position_type'] == 10) {
				$position = explode(',', $value['position']);
			} else {
				$position = $value['position_type'];
			}

			$offset = explode(',', $value['offset']);
			
			if ($value['type'] == 1) {
				$param['method'] = 'mark';
				$param['water'] = $set[$key];
				$param['position'] = $position;
				$param['offset'] = $offset;
				$param['width'] = $value['width'];
				$param['height'] = $value['height'];

			} elseif ($value['type'] == 2) {
				$param['method'] = 'txt';
				$param['name'] = $set[$key];
				$param['color'] = $value['color'];
				$param['position'] = $position;
				$param['offset'] = $offset;
				//$param['top'] = $position[1];
				//$param['left'] = $position[2];
				$param['size'] = $value['size'];
				$param['angle'] = $value['angle'];

				if (isset($value['text_width']) && $value['text_width'] > 0) {
					$param['width'] = $value['text_width'];
				}

				$param['font'] = $this->getFont($value['fonts'], 1);
			}
		}

		return $param;
	}

	# 字体
	public function getFont($value, $type = 1)
	{
		$fonts = array
		(
			//1 => 'simsun.ttc',
			1 => 'PingFang_Regular.ttf',
			2 => 'PingFang_Bold.ttf',
			3 => 'PingFang_Medium.ttf',
		);

		if ($type == 1) {
			return dirname(__FILE__) . DIRECTORY_SEPARATOR . '../fonts/'.$fonts[$value];
		} else {
			return dirname(__FILE__) . DIRECTORY_SEPARATOR . '../fonts/'.$fonts[$value];
		}
	}
}