fix logic error that meant one side of the waveform outline is not drawn; draw zero line before outline, for better effects with low amplitude waves
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07fafac36e
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@ -491,8 +491,20 @@ WaveView::draw_image (Cairo::RefPtr<Cairo::ImageSurface>& image, PeakData* _peak
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context->stroke ();
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context->stroke ();
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/* zero line goes next, so that the outline/clip is on top of it
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*/
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if (show_zero_line()) {
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set_source_rgba (context, _zero_color);
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context->set_line_width (1.0);
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context->move_to (0, y_extent (0.0) + 0.5);
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context->line_to (n_peaks, y_extent (0.0) + 0.5);
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context->stroke ();
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}
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/* now add dots to the top and bottom of each line (this is
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/* now add dots to the top and bottom of each line (this is
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* modelled on pyramix, except that we add clipping indicators.
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* modelled on pyramix, except that we also visual indicate
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* clipping if it occurs).
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*
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*
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* the height of the clip-indicator should be at most 7 pixels,
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* the height of the clip-indicator should be at most 7 pixels,
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* or 5% of the height of the waveview item.
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* or 5% of the height of the waveview item.
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@ -503,13 +515,9 @@ WaveView::draw_image (Cairo::RefPtr<Cairo::ImageSurface>& image, PeakData* _peak
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set_source_rgba (context, _outline_color);
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set_source_rgba (context, _outline_color);
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for (int i = 0; i < n_peaks; ++i) {
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for (int i = 0; i < n_peaks; ++i) {
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context->move_to (i, tips[i].top);
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context->move_to (i, tips[i].top);
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if (_global_show_waveform_clipping && ((_shape == WaveView::Rectified && (tips[i].clip_max || tips[i].clip_min)) || tips[i].clip_max)) {
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bool show_top_clip = _global_show_waveform_clipping &&
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((_shape == WaveView::Rectified && (tips[i].clip_max || tips[i].clip_min)) ||
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tips[i].clip_max);
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if (show_top_clip) {
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/* clip-indicating upper terminal line */
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/* clip-indicating upper terminal line */
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set_source_rgba (context, _clip_color);
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set_source_rgba (context, _clip_color);
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context->rel_line_to (0, clip_height);
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context->rel_line_to (0, clip_height);
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@ -521,10 +529,8 @@ WaveView::draw_image (Cairo::RefPtr<Cairo::ImageSurface>& image, PeakData* _peak
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context->stroke ();
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context->stroke ();
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}
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}
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if (_global_show_waveform_clipping && _shape != WaveView::Rectified) {
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context->move_to (i, tips[i].bot);
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context->move_to (i, tips[i].bot);
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if (tips[i].clip_min) {
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if (_global_show_waveform_clipping && _shape != WaveView::Rectified && tips[i].clip_min) {
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/* clip-indicating lower terminal line */
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/* clip-indicating lower terminal line */
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set_source_rgba (context, _clip_color);
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set_source_rgba (context, _clip_color);
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context->rel_line_to (0, -clip_height);
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context->rel_line_to (0, -clip_height);
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@ -536,15 +542,7 @@ WaveView::draw_image (Cairo::RefPtr<Cairo::ImageSurface>& image, PeakData* _peak
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context->stroke ();
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context->stroke ();
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}
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}
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}
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}
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}
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if (show_zero_line()) {
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set_source_rgba (context, _zero_color);
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context->set_line_width (1.0);
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context->move_to (0, y_extent (0.0) + 0.5);
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context->line_to (n_peaks, y_extent (0.0) + 0.5);
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context->stroke ();
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}
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}
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}
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void
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void
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