archives/trantor
Archived
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Use image API for resize images

Browse source 
Some jpeg images won't load correctly with it until Go 1.1
This commit is contained in:
Las Zenow 2013-03-20 21:25:53 +01:00
parent 35fd980692
commit cf773da9db
4 changed files with 146 additions and 96 deletions
Download patch file Download diff file Expand all files Collapse all files

78
store.go
View file

@ -38,7 +38,7 @@ func ParseFile(path string) (string, error) {
book["rights"] = strings.Join(e.Metadata(epub.EPUB_RIGHTS), ", ")
book["meta"] = strings.Join(e.Metadata(epub.EPUB_META), ", ")
book["path"] = path
cover, coverSmall := getCover(e, title)
cover, coverSmall := GetCover(e, title)
book["cover"] = cover
book["coversmall"] = coverSmall
book["keywords"] = keywords(book)
@ -128,82 +128,6 @@ func cleanStr(str string) string {
return str
}
func storeImg(img []byte, title, extension string) (string, string) {
r, _ := utf8.DecodeRuneInString(title)
folder := string(r)
if _, err := os.Stat(COVER_PATH + folder); err != nil {
err = os.Mkdir(COVER_PATH+folder, os.ModePerm)
if err != nil {
log.Println("Error creating", COVER_PATH+folder, ":", err.Error())
return "", ""
}
}
imgPath := validFileName(COVER_PATH, title, extension)
/* store img on disk */
file, err := os.Create(COVER_PATH + imgPath)
if err != nil {
log.Println("Error creating", COVER_PATH+imgPath, ":", err.Error())
return "", ""
}
defer file.Close()
file.Write(img)
/* resize img */
resize := append(strings.Split(RESIZE_CMD, " "), COVER_PATH+imgPath, COVER_PATH+imgPath)
cmd := exec.Command(resize[0], resize[1:]...)
cmd.Run()
imgPathSmall := validFileName(COVER_PATH, title, "_small"+extension)
resize = append(strings.Split(RESIZE_THUMB_CMD, " "), COVER_PATH+imgPath, COVER_PATH+imgPathSmall)
cmd = exec.Command(resize[0], resize[1:]...)
cmd.Run()
return imgPath, imgPathSmall
}
func getCover(e *epub.Epub, title string) (string, string) {
/* Try first common names */
for _, p := range []string{"cover.jpg", "Images/cover.jpg", "cover.jpeg", "cover1.jpg", "cover1.jpeg"} {
img := e.Data(p)
if len(img) != 0 {
return storeImg(img, title, ".jpg")
}
}
/* search for img on the text */
exp, _ := regexp.Compile("<ima?g.*[(src)(href)]=[\"']([^\"']*(\\.[^\\.\"']*))[\"']")
it := e.Iterator(epub.EITERATOR_SPINE)
defer it.Close()
var err error = nil
txt := it.Curr()
for err == nil {
res := exp.FindStringSubmatch(txt)
if res != nil {
urlPart := strings.Split(it.CurrUrl(), "/")
url := strings.Join(urlPart[:len(urlPart)-1], "/")
if res[1][:3] == "../" {
res[1] = res[1][3:]
url = strings.Join(urlPart[:len(urlPart)-2], "/")
}
res[1] = strings.Replace(res[1], "%20", " ", -1)
res[1] = strings.Replace(res[1], "%27", "'", -1)
res[1] = strings.Replace(res[1], "%28", "(", -1)
res[1] = strings.Replace(res[1], "%29", ")", -1)
if url == "" {
url = res[1]
} else {
url = url + "/" + res[1]
}
img := e.Data(url)
if len(img) != 0 {
return storeImg(img, title, res[2])
}
}
txt, err = it.Next()
}
return "", ""
}
func parseAuthr(creator []string) []string {
exp1, _ := regexp.Compile("^(.*\\( *([^\\)]*) *\\))*$")
exp2, _ := regexp.Compile("^[^:]*: *(.*)$")