Function drawPackImage

plugin/mcfish/pack.go:201–259

(uid int64, equipInfo equip, articles []article)

}

func drawPackImage(uid int64, equipInfo equip, articles []article) (imagePicByte []byte, err error) {
	fontdata, err := file.GetLazyData(text.BoldFontFile, control.Md5File, true)
	if err != nil {
		return nil, err
	}
	var (
		wg         sync.WaitGroup
		equipBlock image.Image // 装备信息
		packBlock  image.Image // 背包信息
	)
	wg.Add(1)
	// 绘制ID
	go func() {
		defer wg.Done()
		if equipInfo == (equip{}) {
			equipBlock, err = drawEquipEmptyBlock(fontdata)
		} else {
			equipBlock, err = drawEquipInfoBlock(equipInfo, fontdata)
		}
		if err != nil {
			return
		}
	}()
	wg.Add(1)
	// 绘制基本信息
	go func() {
		defer wg.Done()
		if len(articles) == 0 {
			packBlock, err = drawArticleEmptyBlock(fontdata)
		} else {
			packBlock, err = drawArticleInfoBlock(uid, articles, fontdata)
		}
		if err != nil {
			return
		}
	}()
	wg.Wait()
	if equipBlock == nil || packBlock == nil {
		err = errors.New("生成图片失败,数据缺失")
		return
	}
	// 计算图片高度
	backDX := 1020
	backDY := 10 + equipBlock.Bounds().Dy() + 10 + packBlock.Bounds().Dy() + 10
	canvas := gg.NewContext(backDX, backDY)

	// 画底色
	canvas.DrawRectangle(0, 0, float64(backDX), float64(backDY))
	canvas.SetRGBA255(150, 150, 150, 255)
	canvas.Fill()
	canvas.DrawRectangle(10, 10, float64(backDX-20), float64(backDY-20))
	canvas.SetRGBA255(255, 255, 255, 255)
	canvas.Fill()

	canvas.DrawImage(equipBlock, 10, 10)
	canvas.DrawImage(packBlock, 10, 10+equipBlock.Bounds().Dy()+10)

	return factory.ToBytes(canvas.Image())