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buenosairesam
2026-04-03 08:39:24 -03:00
parent 908231f98a
commit cbb56c6d51
3 changed files with 61 additions and 32 deletions
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41
cht/ui/waveform.py
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@@ -67,41 +67,36 @@ class WaveformWidget(Gtk.Box):
cr.line_to(width, mid_y)
cr.stroke()
# Draw peaks
if self._peaks is not None and len(self._peaks) > 0 and duration > 0:
# Draw peaks — always stretch to fill full width
if self._peaks is not None and len(self._peaks) > 0:
n_peaks = len(self._peaks)
# Map peaks to pixel columns
peak_duration = n_peaks * self._bucket_duration
max_peak = np.max(self._peaks) if np.max(self._peaks) > 0 else 1.0
for x in range(width):
# Time at this pixel
t = (x / width) * duration
# Corresponding peak index
idx = int(t / self._bucket_duration)
idx = int((x / width) * n_peaks)
if 0 <= idx < n_peaks:
val = self._peaks[idx] / max_peak
bar_h = val * (height * 0.45) # 90% of half-height
# Green gradient based on amplitude
bar_h = val * (height * 0.45)
cr.set_source_rgba(0.2, 0.6 + val * 0.4, 0.3, 0.85)
cr.rectangle(x, mid_y - bar_h, 1, bar_h * 2)
cr.fill()
# Scene markers
if duration > 0:
cr.set_source_rgba(1.0, 1.0, 0.3, 0.3)
cr.set_line_width(1)
for marker in state.scene_markers:
mx = (marker / duration) * width
# Scene markers and playhead use timeline duration
x_duration = max(duration, 0.1)
cr.set_source_rgba(1.0, 1.0, 0.3, 0.3)
cr.set_line_width(1)
for marker in state.scene_markers:
mx = (marker / x_duration) * width
if 0 <= mx <= width:
cr.move_to(mx, 0)
cr.line_to(mx, height)
cr.stroke()
# Playhead
if duration > 0:
px = (state.cursor / duration) * width
cr.set_source_rgba(1.0, 0.3, 0.3, 0.9)
cr.set_line_width(2)
cr.move_to(px, 0)
cr.line_to(px, height)
cr.stroke()
px = (state.cursor / x_duration) * width
cr.set_source_rgba(1.0, 0.3, 0.3, 0.9)
cr.set_line_width(2)
cr.move_to(px, 0)
cr.line_to(px, height)
cr.stroke()