Revert "message: remove GroupImage Width & Height"

This reverts commit 9d618e2.

handle zero width and height in another way.

client/image.go

@@ -3,6 +3,7 @@ package client
 import (
 	"bytes"
 	"encoding/hex"
+	"image"
 	"io"
 	"math/rand"
 	"os"
@@ -80,14 +81,16 @@ func (c *QQClient) UploadGroupImage(groupCode int64, img io.ReadSeeker) (*messag
 	}
 	return nil, errors.Wrap(err, "upload failed")
 ok:
+	_, _ = img.Seek(0, io.SeekStart)
+	i, _, _ := image.DecodeConfig(img)
 	var imageType int32 = 1000
 	_, _ = img.Seek(0, io.SeekStart)
 	tmp := make([]byte, 4)
 	_, _ = img.Read(tmp)
 	if bytes.Equal(tmp, []byte{0x47, 0x49, 0x46, 0x38}) {
 		imageType = 2000
 	}
-	return message.NewGroupImage(binary.CalculateImageResourceId(fh), fh, rsp.FileId, int32(length), imageType), nil
+	return message.NewGroupImage(binary.CalculateImageResourceId(fh), fh, rsp.FileId, int32(length), int32(i.Width), int32(i.Height), imageType), nil
 }
 
 func (c *QQClient) UploadGroupImageByFile(groupCode int64, path string) (*message.GroupImageElement, error) {
@@ -131,14 +134,16 @@ func (c *QQClient) UploadGroupImageByFile(groupCode int64, path string) (*messag
 	}
 	return nil, errors.Wrap(err, "upload failed")
 ok:
+	_, _ = img.Seek(0, io.SeekStart)
+	i, _, _ := image.DecodeConfig(img)
 	var imageType int32 = 1000
 	_, _ = img.Seek(0, io.SeekStart)
 	tmp := make([]byte, 4)
 	_, _ = img.Read(tmp)
 	if bytes.Equal(tmp, []byte{0x47, 0x49, 0x46, 0x38}) {
 		imageType = 2000
 	}
-	return message.NewGroupImage(binary.CalculateImageResourceId(fh), fh, rsp.FileId, int32(length), imageType), nil
+	return message.NewGroupImage(binary.CalculateImageResourceId(fh), fh, rsp.FileId, int32(length), int32(i.Width), int32(i.Height), imageType), nil
 }
 
 func (c *QQClient) UploadPrivateImage(target int64, img io.ReadSeeker) (*message.FriendImageElement, error) {
@@ -186,7 +191,7 @@ func (c *QQClient) ImageOcr(img interface{}) (*OcrResponse, error) {
 			}
 			_ = b.Close()
 		}
-		rsp, err := c.sendAndWait(c.buildImageOcrRequestPacket(url, strings.ToUpper(hex.EncodeToString(e.Md5)), e.Size, 480, 720))
+		rsp, err := c.sendAndWait(c.buildImageOcrRequestPacket(url, strings.ToUpper(hex.EncodeToString(e.Md5)), e.Size, e.Width, e.Height))
 		if err != nil {
 			return nil, err
 		}
@@ -205,7 +210,7 @@ func (c *QQClient) QueryGroupImage(groupCode int64, hash []byte, size int32) (*m
 		return nil, errors.New(rsp.Message)
 	}
 	if rsp.IsExists {
-		return message.NewGroupImage(binary.CalculateImageResourceId(hash), hash, rsp.FileId, size, 1000), nil
+		return message.NewGroupImage(binary.CalculateImageResourceId(hash), hash, rsp.FileId, size, rsp.Width, rsp.Height, 1000), nil
 	}
 	return nil, errors.New("image does not exist")
 }

message/image.go

@@ -16,6 +16,8 @@ type GroupImageElement struct {
 	ImageType    int32
 	ImageBizType ImageBizType
 	Size         int32
+	Width        int32
+	Height       int32
 	Md5          []byte
 	Url          string
 
@@ -62,13 +64,15 @@ const (
 
 /* ------ Implementations ------ */
 
-func NewGroupImage(id string, md5 []byte, fid int64, size, imageType int32) *GroupImageElement {
+func NewGroupImage(id string, md5 []byte, fid int64, size, width, height, imageType int32) *GroupImageElement {
 	return &GroupImageElement{
 		ImageId:   id,
 		FileId:    fid,
 		Md5:       md5,
 		Size:      size,
 		ImageType: imageType,
+		Width:     width,
+		Height:    height,
 		Url:       "https://gchat.qpic.cn/gchatpic_new/1/0-0-" + strings.ReplaceAll(binary.CalculateImageResourceId(md5)[1:37], "-", "") + "/0?term=2",
 	}
 }
@@ -86,13 +90,21 @@ func (e *GuildImageElement) Type() ElementType {
 }
 
 func (e *GroupImageElement) Pack() (r []*msg.Elem) {
+	// width and height are required, set 720*480 if not set
+	if e.Width == 0 {
+		e.Width = 720
+	}
+	if e.Height == 0 {
+		e.Height = 480
+	}
+
 	cface := &msg.CustomFace{
 		FileType: proto.Int32(66),
 		Useful:   proto.Int32(1),
 		// Origin:    1,
 		BizType:   proto.Int32(5),
-		Width:     proto.Int32(720),
-		Height:    proto.Int32(480),
+		Width:     &e.Width,
+		Height:    &e.Height,
 		FileId:    proto.Int32(int32(e.FileId)),
 		FilePath:  &e.ImageId,
 		ImageType: &e.ImageType,

message/message.go

@@ -462,6 +462,8 @@ func ParseMessageElems(elems []*msg.Elem) []IMessageElement {
 				FileId:  int64(elem.CustomFace.GetFileId()),
 				ImageId: elem.CustomFace.GetFilePath(),
 				Size:    elem.CustomFace.GetSize(),
+				Width:   elem.CustomFace.GetWidth(),
+				Height:  elem.CustomFace.GetHeight(),
 				Url:     url,
 				ImageBizType: func() ImageBizType {
 					if len(elem.CustomFace.PbReserve) == 0 {
@@ -559,6 +561,8 @@ func ParseMessageElems(elems []*msg.Elem) []IMessageElement {
 						FileId:  int64(flash.FlashTroopPic.GetFileId()),
 						ImageId: flash.FlashTroopPic.GetFilePath(),
 						Size:    flash.FlashTroopPic.GetSize(),
+						Width:   flash.FlashTroopPic.GetWidth(),
+						Height:  flash.FlashTroopPic.GetHeight(),
 						Md5:     flash.FlashTroopPic.Md5,
 						Flash:   true,
 					})