Search found 7877 matches

by Sergey Tkachenko
Wed Nov 20, 2019 7:47 pm
Forum: Support
Topic: TRichViewEdit printed on/with FastReport
Replies: 1
Views: 85

Re: TRichViewEdit printed on/with FastReport

I did not study these components, but I think it uses TRVReportHelper inside.
What if you assign its MetafileCompatibility property = True?
by Sergey Tkachenko
Wed Nov 20, 2019 7:45 pm
Forum: ScaleRichView
Topic: Network printer does not work
Replies: 6
Views: 101

Re: Network printer does not work

Sorry, I overlooked that the question was about ScaleRichView. But testing with TRichView may be useful. Please test with RichViewActions\Demos\DelphiUnicode\ActionTest\ demo. First, run File | Print by choosing the printer. Does it print? Next, check File | Print Preview. Does it display a preview?...
by Sergey Tkachenko
Wed Nov 20, 2019 5:27 pm
Forum: RVMedia
Topic: RVMedia and RTSP - Multiple local network cameras
Replies: 11
Views: 236

Re: RVMedia and RTSP - Multiple local network cameras

Thank you very much!
Yes, it looks like this critical section is not needed for applications that only receive video (since we already implemented av_lockmgr_register).
We need to test how this change affects recording.
by Sergey Tkachenko
Wed Nov 20, 2019 10:29 am
Forum: ScaleRichView
Topic: Network printer does not work
Replies: 6
Views: 101

Re: Network printer does not work

If nothing is happens, this means that the standard TPrinter methods (BeginDoc, EndDoc, NewPage) do not work.
This means that standard Delphi/WinAPI methods do not work with this printer.
Probably, it's just not available...

Can a print preview be displayed?
by Sergey Tkachenko
Wed Nov 20, 2019 8:41 am
Forum: ScaleRichView
Topic: Network printer does not work
Replies: 6
Views: 101

Re: Network printer does not work

It does not even print an empty page?
by Sergey Tkachenko
Tue Nov 19, 2019 4:29 pm
Forum: RVMedia
Topic: RVMedia and RTSP - Multiple local network cameras
Replies: 11
Views: 236

Re: RVMedia and RTSP - Multiple local network cameras

We will try to change thread priorities and to reduce count of memory allocations/deallocations.
Some time is needed for testing...
by Sergey Tkachenko
Sun Nov 17, 2019 9:05 am
Forum: Support
Topic: Past from TWebbrowser into TRichViewEdit
Replies: 1
Views: 163

Re: Past from TWebbrowser into TRichViewEdit

Do you mean how to paste HTML format from the Clipboard? When document is copied to the Clipboard in HTML format, not only HTML code but also a special header is copied. For example: Version:1.0 StartHTML:000000173 EndHTML:000000859 StartFragment:000000205 EndFragment:000000827 SourceURL:https://www...
by Sergey Tkachenko
Sat Nov 16, 2019 7:49 pm
Forum: Examples, Demos
Topic: [Example] Is plain text
Replies: 1
Views: 112

[Example] Is plain text

This function returns True if the TRichView control contains only a plain text. function IsPlainText(rv: TCustomRichView): Boolean; var i, StyleNo, StyleNo2, ParaNo: Integer; s: TRVUnicodeString; begin // if empty, then returning True if rv.ItemCount = 0 then begin Result := True; exit; end; Result ...
by Sergey Tkachenko
Fri Nov 15, 2019 4:42 pm
Forum: RVMedia
Topic: RVMedia and RTSP - Multiple local network cameras
Replies: 11
Views: 236

Re: RVMedia and RTSP - Multiple local network cameras

I created a test project: https://www.trichview.com/support/files/CamTest3.zip It opens the specified URL in 3 cameras. For each camera, it displays the count of received frames per second, and the count of drawn frames per second. Numbers are updated each 3 seconds (so 3 seconds averages are shown)...
by Sergey Tkachenko
Thu Nov 14, 2019 3:53 pm
Forum: RVMedia
Topic: RVMedia and RTSP - Multiple local network cameras
Replies: 11
Views: 236

Re: RVMedia and RTSP - Multiple local network cameras

Visually, I cannot reproduce this problem.
I'll make a test showing camera FPS.
by Sergey Tkachenko
Wed Nov 13, 2019 12:26 pm
Forum: Support
Topic: Demo request: zoom
Replies: 6
Views: 338

Re: Demo request: zoom

I created a demo:
https://www.trichview.com/forums/viewto ... f=3&t=9745

Actually, it is very simple: when the form DPI is changed, the demo re-applies the selected zooming percent.
by Sergey Tkachenko
Wed Nov 13, 2019 12:24 pm
Forum: Examples, Demos
Topic: [Demo] Zooming in TRichViewEdit
Replies: 0
Views: 150

[Demo] Zooming in TRichViewEdit

This demo shows how to implement zooming in TRichView editor. zoomrv.zip Unlike RichViewActions\Demos\DelphiUnicode\ActionTest_MultiRes demo, in this demo: - zooming percent is displayed relative to the current monitor DPI (not relative to 96 DPI) - zooming percent is kept when the form's DPI is cha...
by Sergey Tkachenko
Tue Nov 12, 2019 1:48 pm
Forum: Support
Topic: Demo request: zoom
Replies: 6
Views: 338

Re: Demo request: zoom

The code above renames items in the combobox, but it does not change the behavior: - if DocumentPixelsPerInch = 0, the editor keeps 100% zoom when the screen DPI is changed; - if DocumentPixelsPerInch > 0, its value is kept when the screen DPI is changed. (the screen DPI can be changed when the user...
by Sergey Tkachenko
Tue Nov 12, 2019 1:41 pm
Forum: Support
Topic: Demo request: zoom
Replies: 6
Views: 338

Re: Demo request: zoom

No, DocumentPixelsPerInch is not stored in RVF.
No, you do not need to reset it before printing, exporting, or importing. It does not affect them.