RPR GetHZoomLevel
From CockosWiki
(Difference between revisions)
(→Examples) |
(→C++) |
||
| Line 9: | Line 9: | ||
==Examples== | ==Examples== | ||
===C++=== | ===C++=== | ||
| - | <source lang=cpp> | + | <source lang=cpp highlight=6> |
| + | void SetHorizPos(HWND hwnd, double dPos, double dOffset = 0.0) | ||
| + | { | ||
| + | SCROLLINFO si = { sizeof(SCROLLINFO), }; | ||
| + | si.fMask = SIF_ALL; | ||
| + | CoolSB_GetScrollInfo(hwnd, SB_HORZ, &si); | ||
| + | si.nPos = (int)(dPos * GetHZoomLevel()); | ||
| + | if (dOffset) | ||
| + | si.nPos -= (int)(dOffset * si.nPage); | ||
| + | CoolSB_SetScrollInfo(hwnd, SB_HORZ, &si, true); | ||
| + | SendMessage(hwnd, WM_HSCROLL, SB_THUMBPOSITION, NULL); | ||
| + | } | ||
</source> | </source> | ||
| + | |||
===Perl=== | ===Perl=== | ||
<source lang=perl> | <source lang=perl> | ||
Latest revision as of 22:20, 11 February 2010
Main Page > REAPER Documentation > ReaScript > ReaScript API, Functions > RPR GetHZoomLevel
Main Page > REAPER Documentation > REAPER API > REAPER API Functions > RPR GetHZoomLevel
Contents |
GetHZoomLevel()
double GetHZoomLevel()
Get the horizontal zoom level.
Parameters
Returns
double - The horizontal zoom level in pixels per second
Examples
C++
void SetHorizPos(HWND hwnd, double dPos, double dOffset = 0.0) { SCROLLINFO si = { sizeof(SCROLLINFO), }; si.fMask = SIF_ALL; CoolSB_GetScrollInfo(hwnd, SB_HORZ, &si); si.nPos = (int)(dPos * GetHZoomLevel()); if (dOffset) si.nPos -= (int)(dOffset * si.nPage); CoolSB_SetScrollInfo(hwnd, SB_HORZ, &si, true); SendMessage(hwnd, WM_HSCROLL, SB_THUMBPOSITION, NULL); }
Perl
Python
See Also
Stuff
Main Page > REAPER Documentation > ReaScript > ReaScript API, Functions > RPR GetHZoomLevel
Main Page > REAPER Documentation > REAPER API > REAPER API Functions > RPR GetHZoomLevel
