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Change AudioDisplay::style_ranges to a vector

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This is faster in all cases except for repainting a very small part of
the display with a very large number of range transitions and simplifies
the code a bit.
This commit is contained in:
Thomas Goyne 2014-07-16 11:09:15 -07:00
parent f81736d461
commit 7a3110015e
2 changed files with 7 additions and 14 deletions
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18
src/audio_display.cpp
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@ -546,9 +546,8 @@ AudioDisplay::AudioDisplay(wxWindow *parent, AudioController *controller, agi::C
, controller(controller)
, scrollbar(agi::make_unique<AudioDisplayScrollbar>(this))
, timeline(agi::make_unique<AudioDisplayTimeline>(this))
, style_ranges({{0, 0}})
{
style_ranges[0] = AudioStyle_Normal;
audio_renderer->SetAmplitudeScale(scale_amplitude);
SetZoomLevel(0);
@ -819,22 +818,17 @@ void AudioDisplay::OnPaint(wxPaintEvent&)
void AudioDisplay::PaintAudio(wxDC &dc, TimeRange updtime, wxRect updrect)
{
auto pt = style_ranges.upper_bound(updtime.begin());
auto pe = style_ranges.upper_bound(updtime.end());
auto pt = begin(style_ranges), pe = end(style_ranges);
while (pt != pe && pt + 1 != pe && (pt + 1)->first < updtime.begin()) ++pt;
if (pt != style_ranges.begin())
--pt;
while (pt != pe)
while (pt != pe && pt->first < updtime.end())
{
AudioRenderingStyle range_style = static_cast<AudioRenderingStyle>(pt->second);
auto range_style = static_cast<AudioRenderingStyle>(pt->second);
int range_x1 = std::max(updrect.x, RelativeXFromTime(pt->first));
int range_x2 = (++pt == pe) ? updrect.x + updrect.width : RelativeXFromTime(pt->first);
if (range_x2 > range_x1)
{
audio_renderer->Render(dc, wxPoint(range_x1, audio_top), range_x1 + scroll_left, range_x2 - range_x1, range_style);
}
}
}
@ -1308,7 +1302,7 @@ void AudioDisplay::OnStyleRangesChanged()
controller->GetTimingController()->GetRenderingStyles(asrm);
style_ranges.clear();
style_ranges.insert(asrm.begin(), asrm.end());
for (auto pair : asrm) style_ranges.push_back(pair);
RefreshRect(wxRect(0, audio_top, GetClientSize().GetWidth(), audio_height), false);
}

3
src/audio_display.h
View file

@ -32,7 +32,6 @@
#include <chrono>
#include <cstdint>
#include <map>
#include <memory>
#include <wx/gdicmn.h>
@ -175,7 +174,7 @@ class AudioDisplay: public wxWindow {
void RemoveTrackCursor();
/// Previous style ranges for optimizing redraw when ranges change
std::map<int, int> style_ranges;
std::vector<std::pair<int, int>> style_ranges;
/// @brief Reload all rendering settings from Options and reset caches
///