Macintosh-Tools/wrp
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paginated scrolling

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This commit is contained in:
Antoni Sawicki 2019-05-31 16:41:25 -07:00
parent deb0cf7923
commit 981055dff9
2 changed files with 16 additions and 12 deletions
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7
README.md
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@ -12,14 +12,13 @@ A HTTP proxy server that allows to use historical and obsolete web browsers on t
* gif with Floyd–Steinberg dithering
* random image addressing
* resolve relative links
* simple scrolling
* paginated scrolling
* google search on input not starting with ^http
## Todo
* ISMAP
* net/url: invalid control character in URL on Windows
* configurable color palete and quantization
* paginated scrolling
* real http proxy support
* option to encode as png/jpeg
* padded box model coordinates
@ -27,6 +26,4 @@ A HTTP proxy server that allows to use historical and obsolete web browsers on t
* chromedp logging, timeout, non-headless flags
## Python version
Check [master branch](https://github.com/tenox7/wrp/tree/master) for "stable" Python-Webkit version.
Check [master branch](https://github.com/tenox7/wrp/tree/master) for "stable" Python-Webkit version.

21
wrp.go
View File

@ -50,7 +50,12 @@ func pageServer(out http.ResponseWriter, r *http.Request) {
istr = ""
i = false
}
y, _ := strconv.ParseInt(r.FormValue("y"), 10, 64)
p, _ := strconv.ParseInt(r.FormValue("p"), 10, 64)
if r.FormValue("pg") == ">>" {
p++
} else if r.FormValue("pg") == "<<" {
p--
}
w, _ := strconv.ParseInt(r.FormValue("w"), 10, 64)
if w < 10 {
w = 1024
@ -72,13 +77,15 @@ func pageServer(out http.ResponseWriter, r *http.Request) {
fmt.Fprintf(out, "Width:<INPUT TYPE=\"TEXT\" NAME=\"w\" VALUE=\"%d\" SIZE=\"4\"> \n", w)
fmt.Fprintf(out, "Height:<INPUT TYPE=\"TEXT\" NAME=\"h\" VALUE=\"%d\" SIZE=\"4\"> \n", h)
fmt.Fprintf(out, "Scale:<INPUT TYPE=\"TEXT\" NAME=\"s\" VALUE=\"%1.2f\" SIZE=\"3\"> \n", s)
fmt.Fprintf(out, "Scroll:<INPUT TYPE=\"TEXT\" NAME=\"y\" VALUE=\"%d\" SIZE=\"4\"> \n", y)
fmt.Fprintf(out, "Page:<INPUT TYPE=\"HIDDEN\" NAME=\"p\" VALUE=\"%d\"> \n", p)
fmt.Fprintf(out, "<INPUT TYPE=\"SUBMIT\" NAME=\"pg\" VALUE=\"<<\"> %d \n", p)
fmt.Fprintf(out, "<INPUT TYPE=\"SUBMIT\" NAME=\"pg\" VALUE=\">>\"> \n")
fmt.Fprintf(out, "</FORM><P>")
if len(u) > 4 {
if strings.HasPrefix(u, "http") {
capture(u, w, h, s, y, out)
capture(u, w, h, s, p, out)
} else {
capture(fmt.Sprintf("http://www.google.com/search?q=%s", url.QueryEscape(u)), w, h, s, y, out)
capture(fmt.Sprintf("http://www.google.com/search?q=%s", url.QueryEscape(u)), w, h, s, p, out)
}
} else {
fmt.Fprintf(out, "No URL or search query specified")
@ -105,7 +112,7 @@ func haltServer(out http.ResponseWriter, req *http.Request) {
os.Exit(0)
}
func capture(gourl string, w int64, h int64, s float64, y int64, out http.ResponseWriter) {
func capture(gourl string, w int64, h int64, s float64, p int64, out http.ResponseWriter) {
var nodes []*cdp.Node
ctxx := chromedp.FromContext(ctx)
var pngbuf []byte
@ -119,7 +126,7 @@ func capture(gourl string, w int64, h int64, s float64, y int64, out http.Respon
err := chromedp.Run(ctx,
emulation.SetDeviceMetricsOverride(w, h, s, false),
chromedp.Navigate(gourl),
chromedp.Evaluate(fmt.Sprintf("window.scrollTo(0, %d);", y), &res),
chromedp.Evaluate(fmt.Sprintf("window.scrollTo(0, %d);", p*int64(float64(h)*float64(0.9))), &res),
chromedp.Sleep(time.Second*1),
chromedp.CaptureScreenshot(&pngbuf),
chromedp.Location(&loc),
@ -165,7 +172,7 @@ func capture(gourl string, w int64, h int64, s float64, y int64, out http.Respon
if err != nil {
continue
}
target := fmt.Sprintf("/?url=%s&w=%d&h=%d&s=%1.2f&y=%d", tgt, w, h, s, y)
target := fmt.Sprintf("/?url=%s&w=%d&h=%d&s=%1.2f&", tgt, w, h, s) // no page# here
if len(b.Content) > 6 && len(target) > 7 {
fmt.Fprintf(out, "<AREA SHAPE=\"RECT\" COORDS=\"%.f,%.f,%.f,%.f\" ALT=\"%s\" TITLE=\"%s\" HREF=\"%s\">\n",