Split AudioDisplay::OnPaint into several methods
Originally committed to SVN as r6251.
This commit is contained in:
Thomas Goyne
parent
3c62a38c7a
commit
702d1e9c22
2 changed files with 166 additions and 128 deletions
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@ -845,12 +845,7 @@ void AudioDisplay::OnPaint(wxPaintEvent&)
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return;
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}
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int client_width, client_height;
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GetClientSize(&client_width, &client_height);
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wxRect audio_bounds(0, audio_top, client_width, audio_height);
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const wxRect &scrollbar_bounds = scrollbar->GetBounds();
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const wxRect &timeline_bounds = timeline->GetBounds();
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wxRect audio_bounds(0, audio_top, GetClientSize().GetWidth(), audio_height);
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bool redraw_scrollbar = false;
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bool redraw_timeline = false;
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@ -864,136 +859,24 @@ void AudioDisplay::OnPaint(wxPaintEvent&)
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updrect.x += client_org.x; updrect.y += client_org.y;
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#endif
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redraw_scrollbar |= scrollbar_bounds.Intersects(updrect);
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redraw_timeline |= timeline_bounds.Intersects(updrect);
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redraw_scrollbar |= scrollbar->GetBounds().Intersects(updrect);
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redraw_timeline |= timeline->GetBounds().Intersects(updrect);
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if (!audio_bounds.Intersects(updrect))
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if (audio_bounds.Intersects(updrect))
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{
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continue;
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}
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SampleRange updsamples(
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SamplesFromRelativeX(updrect.x - foot_size),
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SamplesFromRelativeX(updrect.x + updrect.width + foot_size));
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SampleRange updsamples(
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SamplesFromRelativeX(updrect.x - foot_size),
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SamplesFromRelativeX(updrect.x + updrect.width + foot_size));
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std::map<int64_t, int>::iterator pt = style_ranges.upper_bound(updsamples.begin());
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std::map<int64_t, int>::iterator pe = style_ranges.upper_bound(updsamples.end());
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if (pt != style_ranges.begin())
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--pt;
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while (pt != pe)
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{
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AudioRenderingStyle range_style = static_cast<AudioRenderingStyle>(pt->second);
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int range_x1 = std::max(updrect.x, RelativeXFromSamples(pt->first));
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int range_x2 = (++pt == pe) ? updrect.x + updrect.width : RelativeXFromSamples(pt->first);
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if (range_x2 > range_x1)
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{
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audio_renderer->Render(dc, wxPoint(range_x1, audio_top), range_x1 + scroll_left, range_x2 - range_x1, range_style);
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}
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}
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// Draw markers on top of it all
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AudioMarkerVector markers;
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controller->GetMarkers(updsamples, markers);
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wxDCPenChanger pen_retainer(dc, wxPen());
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wxDCBrushChanger brush_retainer(dc, wxBrush());
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for (AudioMarkerVector::iterator marker_i = markers.begin(); marker_i != markers.end(); ++marker_i)
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{
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const AudioMarker *marker = *marker_i;
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dc.SetPen(marker->GetStyle());
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int marker_x = RelativeXFromSamples(marker->GetPosition());
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dc.DrawLine(marker_x, audio_top, marker_x, audio_top+audio_height);
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dc.SetBrush(wxBrush(marker->GetStyle().GetColour()));
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dc.SetPen(*wxTRANSPARENT_PEN);
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if (marker->GetFeet() & AudioMarker::Feet_Left)
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{
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wxPoint foot_top[3] = { wxPoint(-foot_size, 0), wxPoint(0, 0), wxPoint(0, foot_size) };
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wxPoint foot_bot[3] = { wxPoint(-foot_size, 0), wxPoint(0, -foot_size), wxPoint(0, 0) };
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dc.DrawPolygon(3, foot_top, marker_x, audio_top);
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dc.DrawPolygon(3, foot_bot, marker_x, audio_top+audio_height);
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}
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if (marker->GetFeet() & AudioMarker::Feet_Right)
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{
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wxPoint foot_top[3] = { wxPoint(foot_size, 0), wxPoint(0, 0), wxPoint(0, foot_size) };
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wxPoint foot_bot[3] = { wxPoint(foot_size, 0), wxPoint(0, -foot_size), wxPoint(0, 0) };
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dc.DrawPolygon(3, foot_top, marker_x, audio_top);
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dc.DrawPolygon(3, foot_bot, marker_x, audio_top+audio_height);
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}
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}
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// Draw labels
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std::vector<AudioLabelProvider::AudioLabel> labels;
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controller->GetLabels(updsamples, labels);
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if (!labels.empty())
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{
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wxDCFontChanger fc(dc);
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wxFont font = dc.GetFont();
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font.SetWeight(wxFONTWEIGHT_BOLD);
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dc.SetFont(font);
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dc.SetTextForeground(*wxWHITE);
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for (size_t i = 0; i < labels.size(); ++i)
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{
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wxSize extent = dc.GetTextExtent(labels[i].text);
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int left = RelativeXFromSamples(labels[i].range.begin());
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int width = AbsoluteXFromSamples(labels[i].range.length());
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// If it doesn't fit, truncate
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if (width < extent.GetWidth())
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{
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dc.SetClippingRegion(left, audio_top + 4, width, extent.GetHeight());
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dc.DrawText(labels[i].text, left, audio_top + 4);
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dc.DestroyClippingRegion();
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}
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// Otherwise center in the range
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else
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{
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dc.DrawText(labels[i].text, left + (width - extent.GetWidth()) / 2, audio_top + 4);
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}
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}
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PaintAudio(dc, updsamples, updrect);
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PaintMarkers(dc, updsamples);
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PaintLabels(dc, updsamples);
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}
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}
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if (track_cursor_pos >= 0)
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{
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wxDCPenChanger penchanger(dc, wxPen(*wxWHITE));
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dc.DrawLine(track_cursor_pos-scroll_left, audio_top, track_cursor_pos-scroll_left, audio_top+audio_height);
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if (!track_cursor_label.empty())
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{
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wxDCFontChanger fc(dc);
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wxFont font = dc.GetFont();
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font.SetWeight(wxFONTWEIGHT_BOLD);
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dc.SetFont(font);
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wxSize label_size(dc.GetTextExtent(track_cursor_label));
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wxPoint label_pos(track_cursor_pos - scroll_left - label_size.x/2, audio_top + 2);
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if (label_pos.x < 2) label_pos.x = 2;
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if (label_pos.x + label_size.x >= client_width - 2) label_pos.x = client_width - label_size.x - 2;
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int old_bg_mode = dc.GetBackgroundMode();
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dc.SetBackgroundMode(wxTRANSPARENT);
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// Draw border
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dc.SetTextForeground(wxColour(64, 64, 64));
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dc.DrawText(track_cursor_label, label_pos.x+1, label_pos.y+1);
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dc.DrawText(track_cursor_label, label_pos.x+1, label_pos.y-1);
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dc.DrawText(track_cursor_label, label_pos.x-1, label_pos.y+1);
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dc.DrawText(track_cursor_label, label_pos.x-1, label_pos.y-1);
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// Draw fill
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dc.SetTextForeground(*wxWHITE);
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dc.DrawText(track_cursor_label, label_pos.x, label_pos.y);
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dc.SetBackgroundMode(old_bg_mode);
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label_pos.x -= 2; label_pos.y -= 2;
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label_size.IncBy(4, 4);
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// If the rendered text changes size we have to draw it an extra time to make sure the entire thing was drawn
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bool need_extra_redraw = track_cursor_label_rect.GetSize() != label_size;
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track_cursor_label_rect.SetPosition(label_pos);
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track_cursor_label_rect.SetSize(label_size);
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if (need_extra_redraw)
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RefreshRect(track_cursor_label_rect, false);
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}
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PaintTrackCursor(dc);
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}
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if (redraw_scrollbar)
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@ -1002,6 +885,135 @@ void AudioDisplay::OnPaint(wxPaintEvent&)
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timeline->Paint(dc);
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}
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void AudioDisplay::PaintAudio(wxDC &dc, SampleRange updsamples, wxRect updrect)
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{
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std::map<int64_t, int>::iterator pt = style_ranges.upper_bound(updsamples.begin());
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std::map<int64_t, int>::iterator pe = style_ranges.upper_bound(updsamples.end());
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if (pt != style_ranges.begin())
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--pt;
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while (pt != pe)
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{
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AudioRenderingStyle range_style = static_cast<AudioRenderingStyle>(pt->second);
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int range_x1 = std::max(updrect.x, RelativeXFromSamples(pt->first));
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int range_x2 = (++pt == pe) ? updrect.x + updrect.width : RelativeXFromSamples(pt->first);
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if (range_x2 > range_x1)
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{
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audio_renderer->Render(dc, wxPoint(range_x1, audio_top), range_x1 + scroll_left, range_x2 - range_x1, range_style);
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}
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}
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}
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void AudioDisplay::PaintMarkers(wxDC &dc, SampleRange updsamples)
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{
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AudioMarkerVector markers;
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controller->GetMarkers(updsamples, markers);
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if (markers.empty()) return;
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wxDCPenChanger pen_retainer(dc, wxPen());
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wxDCBrushChanger brush_retainer(dc, wxBrush());
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for (AudioMarkerVector::iterator marker_i = markers.begin(); marker_i != markers.end(); ++marker_i)
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{
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const AudioMarker *marker = *marker_i;
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int marker_x = RelativeXFromSamples(marker->GetPosition());
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dc.SetPen(marker->GetStyle());
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dc.DrawLine(marker_x, audio_top, marker_x, audio_top+audio_height);
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if (marker->GetFeet() == AudioMarker::Feet_None) continue;
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dc.SetBrush(wxBrush(marker->GetStyle().GetColour()));
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dc.SetPen(*wxTRANSPARENT_PEN);
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if (marker->GetFeet() & AudioMarker::Feet_Left)
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PaintFoot(dc, marker_x, -1);
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if (marker->GetFeet() & AudioMarker::Feet_Right)
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PaintFoot(dc, marker_x, 1);
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}
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}
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void AudioDisplay::PaintFoot(wxDC &dc, int marker_x, int dir)
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{
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wxPoint foot_top[3] = { wxPoint(foot_size * dir, 0), wxPoint(0, 0), wxPoint(0, foot_size) };
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wxPoint foot_bot[3] = { wxPoint(foot_size * dir, 0), wxPoint(0, -foot_size), wxPoint(0, 0) };
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dc.DrawPolygon(3, foot_top, marker_x, audio_top);
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dc.DrawPolygon(3, foot_bot, marker_x, audio_top+audio_height);
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}
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void AudioDisplay::PaintLabels(wxDC &dc, SampleRange updsamples)
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{
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std::vector<AudioLabelProvider::AudioLabel> labels;
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controller->GetLabels(updsamples, labels);
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if (labels.empty()) return;
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wxDCFontChanger fc(dc);
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wxFont font = dc.GetFont();
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font.SetWeight(wxFONTWEIGHT_BOLD);
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dc.SetFont(font);
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dc.SetTextForeground(*wxWHITE);
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for (size_t i = 0; i < labels.size(); ++i)
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{
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wxSize extent = dc.GetTextExtent(labels[i].text);
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int left = RelativeXFromSamples(labels[i].range.begin());
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int width = AbsoluteXFromSamples(labels[i].range.length());
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// If it doesn't fit, truncate
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if (width < extent.GetWidth())
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{
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dc.SetClippingRegion(left, audio_top + 4, width, extent.GetHeight());
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dc.DrawText(labels[i].text, left, audio_top + 4);
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dc.DestroyClippingRegion();
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}
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// Otherwise center in the range
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else
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{
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dc.DrawText(labels[i].text, left + (width - extent.GetWidth()) / 2, audio_top + 4);
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}
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}
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}
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void AudioDisplay::PaintTrackCursor(wxDC &dc) {
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wxDCPenChanger penchanger(dc, wxPen(*wxWHITE));
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dc.DrawLine(track_cursor_pos-scroll_left, audio_top, track_cursor_pos-scroll_left, audio_top+audio_height);
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if (track_cursor_label.empty()) return;
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wxDCFontChanger fc(dc);
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wxFont font = dc.GetFont();
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font.SetWeight(wxFONTWEIGHT_BOLD);
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dc.SetFont(font);
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wxSize label_size(dc.GetTextExtent(track_cursor_label));
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wxPoint label_pos(track_cursor_pos - scroll_left - label_size.x/2, audio_top + 2);
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label_pos.x = mid(2, label_pos.x, GetClientSize().GetWidth() - label_size.x - 2);
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int old_bg_mode = dc.GetBackgroundMode();
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dc.SetBackgroundMode(wxTRANSPARENT);
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// Draw border
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dc.SetTextForeground(wxColour(64, 64, 64));
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dc.DrawText(track_cursor_label, label_pos.x+1, label_pos.y+1);
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dc.DrawText(track_cursor_label, label_pos.x+1, label_pos.y-1);
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dc.DrawText(track_cursor_label, label_pos.x-1, label_pos.y+1);
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dc.DrawText(track_cursor_label, label_pos.x-1, label_pos.y-1);
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// Draw fill
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dc.SetTextForeground(*wxWHITE);
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dc.DrawText(track_cursor_label, label_pos.x, label_pos.y);
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dc.SetBackgroundMode(old_bg_mode);
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label_pos.x -= 2;
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label_pos.y -= 2;
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label_size.IncBy(4, 4);
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// If the rendered text changes size we have to draw it an extra time to make sure the entire thing was drawn
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bool need_extra_redraw = track_cursor_label_rect.GetSize() != label_size;
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track_cursor_label_rect.SetPosition(label_pos);
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track_cursor_label_rect.SetSize(label_size);
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if (need_extra_redraw)
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RefreshRect(track_cursor_label_rect, false);
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}
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void AudioDisplay::SetDraggedObject(AudioDisplayInteractionObject *new_obj)
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{
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@ -184,6 +184,32 @@ class AudioDisplay: public wxWindow {
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/// @param sample_end Last sample to repaint
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void Redraw(int64_t sample_start, int64_t sample_end);
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/// Paint the audio data for a range of samples
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/// @param dc DC to paint to
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/// @param updsamples Sample range to repaint
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/// @param updrect Pixel range to repaint
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void PaintAudio(wxDC &dc, SampleRange updsamples, wxRect updrect);
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/// Paint the markers in a range of samples
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/// @param dc DC to paint to
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/// @param updsamples Sample range to repaint
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void PaintMarkers(wxDC &dc, SampleRange updsamples);
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/// Draw a single foot for a marker
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/// @param dc DC to paint to
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/// @param marker_x Position of the marker whose foot is being painted in pixels
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/// @param dir -1 for left, 1 for right
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void PaintFoot(wxDC &dc, int marker_x, int dir);
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/// Paint the labels in a range of samples
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/// @param dc DC to paint to
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/// @param updsamples Sample range to repaint
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void PaintLabels(wxDC &dc, SampleRange updsamples);
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/// Paint the track cursor
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/// @param dc DC to paint to
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void PaintTrackCursor(wxDC &dc);
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/// wxWidgets paint event
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void OnPaint(wxPaintEvent &event);
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/// wxWidgets mouse input event
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