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Move lightness waveform behind RGB waveform

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This commit is contained in:
Lawrence Lee
2020-08-05 12:23:34 -07:00
parent 9a89eb5454
commit 426162f269
1 changed files with 6 additions and 5 deletions
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11
rtgui/histogrampanel.cc
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@@ -1432,14 +1432,10 @@ void HistogramArea::drawWaveform(Cairo::RefPtr<Cairo::Context> &cr, int w, int h
wave_buffer_dirty = false;
}
Cairo::RefPtr<Cairo::ImageSurface> surface = Cairo::ImageSurface::create(
wave_buffer.get(), Cairo::FORMAT_ARGB32, waveform_width, 256, cairo_stride);
Cairo::RefPtr<Cairo::ImageSurface> surface;
auto orig_matrix = cr->get_matrix();
cr->translate(0, padding);
cr->scale(static_cast<double>(w) / waveform_width, (h - 2 * padding) / 256.0);
cr->set_source(surface, 0, 0);
cr->set_operator(Cairo::OPERATOR_OVER);
cr->paint();
if (needLuma) {
surface = Cairo::ImageSurface::create(
wave_buffer_luma.get(), Cairo::FORMAT_ARGB32, waveform_width, 256, cairo_stride);
@@ -1447,6 +1443,11 @@ void HistogramArea::drawWaveform(Cairo::RefPtr<Cairo::Context> &cr, int w, int h
cr->set_operator(Cairo::OPERATOR_OVER);
cr->paint();
}
surface = Cairo::ImageSurface::create(
wave_buffer.get(), Cairo::FORMAT_ARGB32, waveform_width, 256, cairo_stride);
cr->set_source(surface, 0, 0);
cr->set_operator(Cairo::OPERATOR_OVER);
cr->paint();
surface->finish();
cr->set_matrix(orig_matrix);
}