/
mergi.go
222 lines (209 loc) · 5.06 KB
/
mergi.go
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package main
import (
"errors"
"fmt"
"github.com/noelyahan/mergi"
"github.com/noelyahan/impexp"
"image"
"image/gif"
"os"
"sort"
"strconv"
"strings"
)
func getJobMap(flags []string) map[int][]string {
m := make(map[int][]string, 0)
for _, v := range flags {
tags := strings.Split(v, "#")
if len(tags) != 2 {
return m
}
key, _ := strconv.Atoi(tags[0])
val := tags[1]
if val == flagFinal {
continue
}
arr, ok := m[key]
if !ok {
tmp := make([]string, 0)
tmp = append(tmp, val)
m[key] = tmp
} else {
arr = append(arr, val)
m[key] = arr
}
}
return m
}
func getFilePaths(arr arrFlags) []string {
var paths []string
if len(arr) == 1 {
paths = strings.Split(arr[0], " ")
} else {
paths = make([]string, 0)
for _, p := range arr {
paths = append(paths, p)
}
}
return paths
}
func getPreProcessTemplatePaths(tokens, paths []string, arr arrFlags) []string {
if len(tokens) != len(paths) {
msg := fmt.Sprintf("mergi found a image template missmatch template size: %d image size: %d",
len(tokens), len(paths))
fmt.Println(msg)
os.Exit(1)
diff := len(tokens) - len(paths)
for i := 0; i < diff; i++ {
paths = append(paths, arr[0])
}
}
return paths
}
func getImagesFromPaths(paths []string) ([]image.Image, error) {
imgs := make([]image.Image, 0)
var img image.Image
var err error
for _, p := range paths {
if isValidURL(p) {
img, err = mergi.Import(impexp.NewURLImporter(p))
} else {
img, err = mergi.Import(impexp.NewFileImporter(p))
}
if err != nil {
msg := fmt.Sprintf("mergi expects jpg or png [%s] sorry ! :)", p)
return imgs, errors.New(msg)
}
imgs = append(imgs, img)
}
return imgs, nil
}
func processFlaggedJobs(imgs []image.Image, template, animation string, jobs map[int][]string, cFlags, rFlags, wFlags arrFlags) mergiResult {
cfCount := 0
rfCount := 0
wfCount := 0
// process the large job also
// sort jobs
var keys []int
for k := range jobs {
keys = append(keys, k)
}
sort.Ints(keys)
tmpImgs := imgs
for _, k := range keys {
v := jobs[k]
if k >= len(imgs) {
break
}
for _, task := range v {
if task == flagCrop {
p1, p2 := getCropPoints(cFlags, cFlags[cfCount])
timg, err := mergi.Crop(tmpImgs[k], p1, p2)
if err != nil {
fmt.Printf("Mergi cannot complete the crop: [%v]", err)
continue
}
tmpImgs[k] = timg
cfCount++
} else if task == flagResize {
w, h := getResizeWH(rFlags, rFlags[rfCount])
timg, err := mergi.Resize(tmpImgs[k], w, h)
if err != nil {
fmt.Printf("Mergi cannot complete the resize: [%v]", err)
continue
}
tmpImgs[k] = timg
rfCount++
} else if task == flagWatermark {
img, x, y := getWatermarkImageXY(wFlags[wfCount])
timg, err := mergi.Watermark(img, tmpImgs[k], image.Pt(x, y))
if err != nil {
fmt.Printf("Mergi cannot complete the watermark: [%v]", err)
continue
}
tmpImgs[k] = timg
wfCount++
}
}
}
var res image.Image
var gif gif.GIF
var err error
skip := false
if animation != "" {
skip = true
animType, delay := getAnimationParams(animation)
if animType == sprite {
gif, err = mergi.Animate(imgs, delay)
if err != nil {
fmt.Printf("Mergi cannot complete the animate: [%v]", err)
}
} else if animType == smooth {
temp := ""
tmpImgs = append(tmpImgs, tmpImgs[0])
for i := 0; i < len(tmpImgs); i++ {
temp += "T"
}
res, err := mergi.Merge(temp, tmpImgs)
if err != nil {
fmt.Printf("Mergi cannot complete the watermark: [%v]", err)
}
tmpSlides := make([]image.Image, 0)
w := res.Bounds().Max.X / len(tmpImgs)
size := image.Pt(w, res.Bounds().Max.Y)
for x := 0; x < res.Bounds().Max.X-w; x += delay {
croped, err := mergi.Crop(res, image.Pt(x, 0), size)
if err != nil {
fmt.Printf("Mergi cannot complete the crop: [%v]", err)
continue
}
tmpSlides = append(tmpSlides, croped)
}
gif, err = mergi.Animate(tmpSlides, delay)
if err != nil {
fmt.Printf("Mergi cannot complete the animate: [%v]", err)
}
}
} else {
res, err = mergi.Merge(template, tmpImgs)
if err != nil {
fmt.Printf("Mergi cannot complete the watermark: [%v]", err)
}
}
if skip {
return mergiResult{res, gif}
}
// post-processing
tasks, ok := jobs[len(imgs)+1]
if ok {
for _, task := range tasks {
if task == flagCrop {
p1, p2 := getCropPoints(cFlags, cFlags[cfCount])
var err error
res, err = mergi.Crop(res, p1, p2)
if err != nil {
fmt.Printf("Mergi cannot complete the crop: [%v]", err)
continue
}
cfCount++
} else if task == flagResize {
w, h := getResizeWH(rFlags, rFlags[rfCount])
res, err = mergi.Resize(res, w, h)
if err != nil {
fmt.Printf("Mergi cannot complete the resize: [%v]", err)
continue
}
rfCount++
} else if task == flagWatermark {
img, x, y := getWatermarkImageXY(wFlags[wfCount])
res, err = mergi.Watermark(img, res, image.Pt(x, y))
if err != nil {
fmt.Printf("Mergi cannot complete the watermark: [%v]", err)
continue
}
wfCount++
}
}
}
return mergiResult{res, gif}
}