/
thumbnail.go
96 lines (86 loc) · 2.27 KB
/
thumbnail.go
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/*
* Copyright (C) 2014 ~ 2018 Deepin Technology Co., Ltd.
*
* Author: jouyouyun <jouyouwen717@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cursor
import (
"io/ioutil"
"os"
"path"
"pkg.deepin.io/dde/api/thumbnails/loader"
dutils "pkg.deepin.io/lib/utils"
)
const (
defaultWidth = 320
defaultHeight = 70
defaultIconSize = 24
defaultPadding = 12
)
func doGenThumbnail(src, bg, dest string, width, height int, force, theme bool) (string, error) {
if !force && dutils.IsFileExist(dest) {
return dest, nil
}
src = dutils.DecodeURI(src)
bg = dutils.DecodeURI(bg)
dir := path.Dir(src)
tmp := loader.GetTmpImage()
cacheDir, err := ioutil.TempDir("", "xcur2png")
if err != nil {
return "", err
}
defer os.RemoveAll(cacheDir)
cursorIcons := getCursorIcons(dir, cacheDir)
err = loader.CompositeIcons(cursorIcons, bg, tmp,
defaultIconSize, defaultWidth, defaultHeight, defaultPadding)
if err != nil {
return "", err
}
defer os.Remove(tmp)
if !theme {
err = loader.ThumbnailImage(tmp, dest, width, height)
} else {
err = loader.ScaleImage(tmp, dest, width, height)
}
if err != nil {
return "", err
}
return dest, nil
}
var presentCursors = [][]string{
{"left_ptr"},
{"left_ptr_watch"},
{"x-cursor", "X_cursor"},
{"hand2", "hand1"},
{"grab", "grabbing", "closedhand"},
{"move"},
{"sb_v_double_arrow"},
{"sb_h_double_arrow"},
{"watch", "wait"},
}
func getCursorIcons(dir, cacheDir string) []string {
var files []string
for _, cursors := range presentCursors {
for _, cursor := range cursors {
tmp, err := XCursorToPng(path.Join(dir, "cursors", cursor), cacheDir)
if err == nil {
files = append(files, tmp)
break
}
}
}
return files
}