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Merge pull request #1256 from jdpurcell/cleanup2

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WaveformPaint cleanup
This commit is contained in:
Nikolaj Olsson 2015-09-08 04:53:33 +02:00
commit 9ef0a7b035
4 changed files with 230 additions and 254 deletions
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18
libse/TimeCode.cs
View File

@ -1,4 +1,5 @@
using System;
using System.Globalization;
using Nikse.SubtitleEdit.Core.SubtitleFormats;
namespace Nikse.SubtitleEdit.Core
@ -173,25 +174,32 @@ namespace Nikse.SubtitleEdit.Core
}
public override string ToString()
{
return ToString(false);
}
public string ToString(bool localize)
{
var ts = TimeSpan;
string s = string.Format("{0:00}:{1:00}:{2:00},{3:000}", ts.Hours + ts.Days * 24, ts.Minutes, ts.Seconds, ts.Milliseconds);
string decimalSeparator = localize ? CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator : ",";
string s = string.Format("{0:00}:{1:00}:{2:00}{3}{4:000}", ts.Hours + ts.Days * 24, ts.Minutes, ts.Seconds, decimalSeparator, ts.Milliseconds);
if (TotalMilliseconds >= 0)
return s;
return "-" + s.Replace("-", string.Empty);
}
public string ToShortString()
public string ToShortString(bool localize = false)
{
var ts = TimeSpan;
string decimalSeparator = localize ? CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator : ",";
string s;
if (ts.Minutes == 0 && ts.Hours == 0 && ts.Days == 0)
s = string.Format("{0:0},{1:000}", ts.Seconds, ts.Milliseconds);
s = string.Format("{0:0}{1}{2:000}", ts.Seconds, decimalSeparator, ts.Milliseconds);
else if (ts.Hours == 0 && ts.Days == 0)
s = string.Format("{0:0}:{1:00},{2:000}", ts.Minutes, ts.Seconds, ts.Milliseconds);
s = string.Format("{0:0}:{1:00}{2}{3:000}", ts.Minutes, ts.Seconds, decimalSeparator, ts.Milliseconds);
else
s = string.Format("{0:0}:{1:00}:{2:00},{3:000}", ts.Hours + ts.Days * 24, ts.Minutes, ts.Seconds, ts.Milliseconds);
s = string.Format("{0:0}:{1:00}:{2:00}{3}{4:000}", ts.Hours + ts.Days * 24, ts.Minutes, ts.Seconds, decimalSeparator, ts.Milliseconds);
if (TotalMilliseconds >= 0)
return s;

458
src/Controls/AudioVisualizer.cs
View File

@ -4,6 +4,7 @@ using System.Collections.Generic;
using System.Drawing;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Windows.Forms;
using System.Xml;
@ -79,7 +80,7 @@ namespace Nikse.SubtitleEdit.Controls
private double _currentVideoPositionSeconds = -1;
private WavePeakGenerator _wavePeaks;
private Subtitle _subtitle;
private ListView.SelectedIndexCollection _selectedIndices;
private IEnumerable<int> _selectedIndices = Enumerable.Empty<int>();
private bool _noClear;
private double _gapAtStart = -1;
@ -110,6 +111,7 @@ namespace Nikse.SubtitleEdit.Controls
private System.ComponentModel.BackgroundWorker _spectrogramBackgroundWorker;
public Keys InsertAtVideoPositionShortcut = Keys.None;
public bool MouseWheelScrollUpIsForward = true;
public const double ZoomMinimum = 0.1;
public const double ZoomMaximum = 2.5;
private double _zoomFactor = 1.0; // 1.0=no zoom
@ -122,11 +124,30 @@ namespace Nikse.SubtitleEdit.Controls
set
{
if (value < ZoomMinimum)
_zoomFactor = ZoomMinimum;
else if (value > ZoomMaximum)
_zoomFactor = ZoomMaximum;
else
_zoomFactor = value;
value = ZoomMinimum;
if (value > ZoomMaximum)
value = ZoomMaximum;
_zoomFactor = Math.Round(value, 2); // round to prevent accumulated rounding errors
Invalidate();
}
}
public const double VerticalZoomMinimum = 1.0;
public const double VerticalZoomMaximum = 20.0;
private double _verticalZoomFactor = 1.0; // 1.0=no zoom
public double VerticalZoomFactor
{
get
{
return _verticalZoomFactor;
}
set
{
if (value < VerticalZoomMinimum)
value = VerticalZoomMinimum;
if (value > VerticalZoomMaximum)
value = VerticalZoomMaximum;
_verticalZoomFactor = Math.Round(value, 2); // round to prevent accumulated rounding errors
Invalidate();
}
}
@ -202,8 +223,6 @@ namespace Nikse.SubtitleEdit.Controls
public bool Locked { get; set; }
public double VerticalZoomPercent { get; set; }
public double EndPositionSeconds
{
get
@ -286,7 +305,6 @@ namespace Nikse.SubtitleEdit.Controls
AllowNewSelection = true;
ShowSpectrogram = true;
ShowWaveform = true;
VerticalZoomPercent = 1.0;
InsertAtVideoPositionShortcut = Utilities.GetKeys(Configuration.Settings.Shortcuts.MainWaveformInsertAtCurrentPosition);
}
@ -370,7 +388,7 @@ namespace Nikse.SubtitleEdit.Controls
public void SetPosition(double startPositionSeconds, Subtitle subtitle, double currentVideoPositionSeconds, int subtitleIndex, ListView.SelectedIndexCollection selectedIndexes)
{
StartPositionSeconds = startPositionSeconds;
_selectedIndices = selectedIndexes;
_selectedIndices = selectedIndexes.Cast<int>();
_subtitle.Paragraphs.Clear();
foreach (var p in subtitle.Paragraphs)
{
@ -390,67 +408,71 @@ namespace Nikse.SubtitleEdit.Controls
return imageHeight - result;
}
private bool IsSelectedIndex(int pos, ref int lastCurrentEnd, List<Paragraph> selectedParagraphs)
private class IsSelectedHelper
{
if (pos < lastCurrentEnd)
return true;
private readonly List<SelectionRange> _ranges = new List<SelectionRange>();
private int _lastPosition = int.MaxValue;
private SelectionRange _nextSelection;
if (_selectedIndices == null)
return false;
foreach (Paragraph p in selectedParagraphs)
public IsSelectedHelper(IList<Paragraph> paragraphs, IEnumerable<int> selectedIndices, Paragraph additionalSelectedParagraph, Func<double, int> secondsToPosition)
{
if (pos >= p.StartFrame && pos <= p.EndFrame) // not really frames...
// I'm not sure why there's a try/catch, I copied it from the original code. It
// seems unnecessary but perhaps there's a thread safety issue.
try
{
lastCurrentEnd = p.EndFrame;
return true;
foreach (int index in selectedIndices)
AddParagraph(paragraphs[index], secondsToPosition);
}
catch { }
AddParagraph(additionalSelectedParagraph, secondsToPosition);
}
public bool IsSelected(int position)
{
if (position < _lastPosition || position > _nextSelection.End)
FindNextSelection(position);
_lastPosition = position;
return position >= _nextSelection.Start && position <= _nextSelection.End;
}
private void FindNextSelection(int position)
{
_nextSelection = new SelectionRange(int.MaxValue, int.MaxValue);
foreach (SelectionRange range in _ranges)
{
if (range.End >= position && (range.Start < _nextSelection.Start || (range.Start == _nextSelection.Start && range.End > _nextSelection.End)))
_nextSelection = range;
}
}
private void AddParagraph(Paragraph p, Func<double, int> secondsToPosition)
{
if (p == null)
return;
_ranges.Add(new SelectionRange(secondsToPosition(p.StartTime.TotalSeconds), secondsToPosition(p.EndTime.TotalSeconds)));
}
private struct SelectionRange
{
public readonly int Start;
public readonly int End;
public SelectionRange(int start, int end)
{
Start = start;
End = end;
}
}
return false;
}
internal void WaveformPaint(object sender, PaintEventArgs e)
{
if (_wavePeaks != null && _wavePeaks.AllSamples != null)
{
var selectedParagraphs = new List<Paragraph>();
if (_selectedIndices != null)
{
var n = _wavePeaks.Header.SampleRate * _zoomFactor;
try
{
foreach (int index in _selectedIndices)
{
Paragraph p = _subtitle.Paragraphs[index];
if (p != null)
{
p = new Paragraph(p);
// not really frames... just using them as position markers for better performance
p.StartFrame = (int)(p.StartTime.TotalSeconds * n);
p.EndFrame = (int)(p.EndTime.TotalSeconds * n);
selectedParagraphs.Add(p);
}
}
}
catch
{
}
}
//var otherParagraphs = new List<Paragraph>();
//var nOther = _wavePeaks.Header.SampleRate * _zoomFactor;
//try
//{
// foreach (Paragraph p in _subtitle.Paragraphs) //int index in _selectedIndices)
// {
// var p2 = new Paragraph(p) { StartFrame = (int)(p.StartTime.TotalSeconds*nOther), EndFrame = (int)(p.EndTime.TotalSeconds*nOther) };
// // not really frames... just using them as position markers for better performance
// otherParagraphs.Add(p2);
// }
//}
//catch
//{
//}
if (StartPositionSeconds < 0)
StartPositionSeconds = 0;
@ -458,25 +480,9 @@ namespace Nikse.SubtitleEdit.Controls
StartPositionSeconds = _wavePeaks.Header.LengthInSeconds - ((Width / (double)_wavePeaks.Header.SampleRate) / _zoomFactor);
Graphics graphics = e.Graphics;
int begin = SecondsToXPosition(StartPositionSeconds);
var beginNoZoomFactor = (int)Math.Round(StartPositionSeconds * _wavePeaks.Header.SampleRate); // do not use zoom factor here!
int start = -1;
int end = -1;
if (_selectedParagraph != null)
{
start = SecondsToXPosition(_selectedParagraph.StartTime.TotalSeconds);
end = SecondsToXPosition(_selectedParagraph.EndTime.TotalSeconds);
}
int imageHeight = Height;
var maxHeight = (int)(Math.Max(Math.Abs(_wavePeaks.DataMinValue), Math.Abs(_wavePeaks.DataMaxValue)) + 0.5);
maxHeight = (int)(maxHeight * VerticalZoomPercent);
if (maxHeight < 0)
maxHeight = 1000;
DrawBackground(graphics);
int x = 0;
int y = Height / 2;
if (IsSpectrogramAvailable && ShowSpectrogram)
{
@ -485,131 +491,90 @@ namespace Nikse.SubtitleEdit.Controls
imageHeight -= SpectrogramDisplayHeight;
}
// using (var penOther = new Pen(ParagraphColor))
using (var penNormal = new Pen(Color))
using (var penSelected = new Pen(SelectedColor)) // selected paragraph
// waveform
if (ShowWaveform)
{
var pen = penNormal;
int lastCurrentEnd = -1;
// int lastOtherCurrentEnd = -1;
if (ShowWaveform)
using (var penNormal = new Pen(Color))
using (var penSelected = new Pen(SelectedColor)) // selected paragraph
{
if (_zoomFactor > 0.9999 && ZoomFactor < 1.00001)
var pen = penNormal;
var isSelectedHelper = new IsSelectedHelper(_subtitle.Paragraphs, _selectedIndices, _selectedParagraph, SecondsToXPositionNoZoom);
int maxHeight = (int)(Math.Max(Math.Abs(_wavePeaks.DataMinValue), Math.Abs(_wavePeaks.DataMaxValue)) / VerticalZoomFactor);
int start = SecondsToXPositionNoZoom(StartPositionSeconds);
float xPrev = 0;
int yPrev = Height / 2;
float x = 0;
int y;
for (int i = 0; i < _wavePeaks.AllSamples.Count - start && x < Width; i++)
{
for (int i = 0; i < _wavePeaks.AllSamples.Count && i < Width; i++)
{
int n = begin + i;
if (n < _wavePeaks.AllSamples.Count)
{
int newY = CalculateHeight(_wavePeaks.AllSamples[n], imageHeight, maxHeight);
//for (int tempX = x; tempX <= i; tempX++)
// graphics.DrawLine(pen, tempX, y, tempX, newY);
graphics.DrawLine(pen, x, y, i, newY);
//graphics.FillRectangle(new SolidBrush(Color), x, y, 1, 1); // draw pixel instead of line
x = i;
y = newY;
if (n <= end && n >= start)
pen = penSelected;
else if (IsSelectedIndex(n, ref lastCurrentEnd, selectedParagraphs))
pen = penSelected;
//else if (IsSelectedIndex(n, ref lastOtherCurrentEnd, otherParagraphs))
// pen = penOther;
else
pen = penNormal;
}
}
int n = start + i;
x = (float)(_zoomFactor * i);
y = CalculateHeight(_wavePeaks.AllSamples[n], imageHeight, maxHeight);
graphics.DrawLine(pen, xPrev, yPrev, x, y);
xPrev = x;
yPrev = y;
pen = isSelectedHelper.IsSelected(n) ? penSelected : penNormal;
}
else
}
}
// time line
DrawTimeLine(StartPositionSeconds, e, imageHeight);
// scene changes
if (_sceneChanges != null)
{
foreach (double time in _sceneChanges)
{
int pos = SecondsToXPosition(time - StartPositionSeconds);
if (pos > 0 && pos < Width)
{
// calculate lines with zoom factor
float x2 = 0;
float x3 = 0;
for (int i = 0; i < _wavePeaks.AllSamples.Count && ((int)Math.Round(x3)) < Width; i++)
using (var p = new Pen(Color.AntiqueWhite))
{
if (beginNoZoomFactor + i < _wavePeaks.AllSamples.Count)
{
int newY = CalculateHeight(_wavePeaks.AllSamples[beginNoZoomFactor + i], imageHeight, maxHeight);
x3 = (float)(_zoomFactor * i);
graphics.DrawLine(pen, x2, y, x3, newY);
x2 = x3;
y = newY;
var n = (int)(begin + x3);
if (n <= end && n >= start)
pen = penSelected;
else if (IsSelectedIndex(n, ref lastCurrentEnd, selectedParagraphs))
pen = penSelected;
//else if (IsSelectedIndex(n, ref lastOtherCurrentEnd, otherParagraphs))
// pen = penOther;
else
pen = penNormal;
}
graphics.DrawLine(p, pos, 0, pos, Height);
}
}
}
DrawTimeLine(StartPositionSeconds, e, imageHeight);
}
// scene changes
if (_sceneChanges != null)
// current video position
if (_currentVideoPositionSeconds > 0)
{
int pos = SecondsToXPosition(_currentVideoPositionSeconds - StartPositionSeconds);
if (pos > 0 && pos < Width)
{
foreach (var d in _sceneChanges)
using (var p = new Pen(Color.Turquoise))
{
if (d > StartPositionSeconds && d < StartPositionSeconds + 20)
{
int pos = SecondsToXPosition(d) - begin;
if (pos > 0 && pos < Width)
{
using (var p = new Pen(Color.AntiqueWhite))
{
graphics.DrawLine(p, pos, 0, pos, Height);
}
}
}
graphics.DrawLine(p, pos, 0, pos, Height);
}
}
}
// current video position
if (_currentVideoPositionSeconds > 0)
// paragraphs
using (var textBrush = new SolidBrush(TextColor))
{
DrawParagraph(_currentParagraph, e, textBrush);
foreach (Paragraph p in _previousAndNextParagraphs)
DrawParagraph(p, e, textBrush);
}
// current selection
if (NewSelectionParagraph != null)
{
int currentRegionLeft = SecondsToXPosition(NewSelectionParagraph.StartTime.TotalSeconds - StartPositionSeconds);
int currentRegionRight = SecondsToXPosition(NewSelectionParagraph.EndTime.TotalSeconds - StartPositionSeconds);
int currentRegionWidth = currentRegionRight - currentRegionLeft;
using (var brush = new SolidBrush(Color.FromArgb(128, 255, 255, 255)))
{
int videoPosition = SecondsToXPosition(_currentVideoPositionSeconds);
videoPosition -= begin;
if (videoPosition > 0 && videoPosition < Width)
if (currentRegionLeft >= 0 && currentRegionLeft <= Width)
{
using (var p = new Pen(Color.Turquoise))
graphics.FillRectangle(brush, currentRegionLeft, 0, currentRegionWidth, graphics.VisibleClipBounds.Height);
if (currentRegionWidth > 40)
{
graphics.DrawLine(p, videoPosition, 0, videoPosition, Height);
}
}
}
// mark paragraphs
using (var textBrush = new SolidBrush(TextColor))
{
DrawParagraph(_currentParagraph, e, begin, textBrush);
foreach (Paragraph p in _previousAndNextParagraphs)
DrawParagraph(p, e, begin, textBrush);
}
// current selection
if (NewSelectionParagraph != null)
{
int currentRegionLeft = SecondsToXPosition(NewSelectionParagraph.StartTime.TotalSeconds - StartPositionSeconds);
int currentRegionRight = SecondsToXPosition(NewSelectionParagraph.EndTime.TotalSeconds - StartPositionSeconds);
int currentRegionWidth = currentRegionRight - currentRegionLeft;
using (var brush = new SolidBrush(Color.FromArgb(128, 255, 255, 255)))
{
if (currentRegionLeft >= 0 && currentRegionLeft <= Width)
{
graphics.FillRectangle(brush, currentRegionLeft, 0, currentRegionWidth, graphics.VisibleClipBounds.Height);
if (currentRegionWidth > 40)
using (var tBrush = new SolidBrush(Color.Turquoise))
{
using (var tBrush = new SolidBrush(Color.Turquoise))
{
graphics.DrawString(string.Format("{0:0.###} {1}", ((double)currentRegionWidth / _wavePeaks.Header.SampleRate / _zoomFactor), Configuration.Settings.Language.Waveform.Seconds), Font, tBrush, new PointF(currentRegionLeft + 3, Height - 32));
}
graphics.DrawString(string.Format("{0:0.###} {1}", ((double)currentRegionWidth / _wavePeaks.Header.SampleRate / _zoomFactor), Configuration.Settings.Language.Waveform.Seconds), Font, tBrush, new PointF(currentRegionLeft + 3, Height - 32));
}
}
}
@ -624,7 +589,6 @@ namespace Nikse.SubtitleEdit.Controls
{
using (var textFont = new Font(Font.FontFamily, 8))
{
if (Width > 90)
{
e.Graphics.DrawString(WaveformNotLoadedText, textFont, textBrush, new PointF(Width / 2 - 65, Height / 2 - 10));
@ -729,15 +693,15 @@ namespace Nikse.SubtitleEdit.Controls
return string.Format("{0:00}:{1:00}:{2:00}", ts.Hours, ts.Minutes, ts.Seconds);
}
private void DrawParagraph(Paragraph paragraph, PaintEventArgs e, int begin, SolidBrush textBrush)
private void DrawParagraph(Paragraph paragraph, PaintEventArgs e, SolidBrush textBrush)
{
if (paragraph == null)
{
return;
}
int currentRegionLeft = SecondsToXPosition(paragraph.StartTime.TotalSeconds) - begin;
int currentRegionRight = SecondsToXPosition(paragraph.EndTime.TotalSeconds) - begin;
int currentRegionLeft = SecondsToXPosition(paragraph.StartTime.TotalSeconds - StartPositionSeconds);
int currentRegionRight = SecondsToXPosition(paragraph.EndTime.TotalSeconds - StartPositionSeconds);
int currentRegionWidth = currentRegionRight - currentRegionLeft;
var drawingStyle = TextBold ? FontStyle.Bold : FontStyle.Regular;
using (var brush = new SolidBrush(Color.FromArgb(42, 255, 255, 255))) // back color for paragraphs
@ -750,73 +714,58 @@ namespace Nikse.SubtitleEdit.Controls
pen = new Pen(new SolidBrush(Color.FromArgb(175, 110, 10, 10))) { DashStyle = System.Drawing.Drawing2D.DashStyle.Dash, Width = 2 };
e.Graphics.DrawLine(pen, currentRegionRight - 1, 0, currentRegionRight - 1, e.Graphics.VisibleClipBounds.Height);
var n = _zoomFactor * _wavePeaks.Header.SampleRate;
string durationStr;
if (Configuration.Settings != null && Configuration.Settings.General.UseTimeFormatHHMMSSFF)
{
if (n > 80)
{
using (var font = new Font(Font.FontFamily, TextSize, drawingStyle))
{
e.Graphics.DrawString(paragraph.Text.Replace(Environment.NewLine, " "), font, textBrush, new PointF(currentRegionLeft + 3, 10));
e.Graphics.DrawString("#" + paragraph.Number + " " + paragraph.StartTime.ToShortStringHHMMSSFF() + " --> " + paragraph.EndTime.ToShortStringHHMMSSFF(), font, textBrush, new PointF(currentRegionLeft + 3, Height - 32));
}
}
else if (n > 51)
e.Graphics.DrawString("#" + paragraph.Number + " " + paragraph.StartTime.ToShortStringHHMMSSFF(), Font, textBrush, new PointF(currentRegionLeft + 3, Height - 32));
else if (n > 25)
e.Graphics.DrawString("#" + paragraph.Number, Font, textBrush, new PointF(currentRegionLeft + 3, Height - 32));
}
durationStr = paragraph.Duration.ToShortStringHHMMSSFF();
else
durationStr = paragraph.Duration.ToShortString(true);
var n = _zoomFactor * _wavePeaks.Header.SampleRate;
if (n > 80)
{
if (n > 80)
using (var font = new Font(Configuration.Settings.General.SubtitleFontName, TextSize, drawingStyle))
using (var blackBrush = new SolidBrush(Color.Black))
{
using (var font = new Font(Configuration.Settings.General.SubtitleFontName, TextSize, drawingStyle))
var text = HtmlUtil.RemoveHtmlTags(paragraph.Text, true);
text = text.Replace(Environment.NewLine, " ");
int actualWidth = (int)e.Graphics.MeasureString(text, font).Width;
bool shortned = false;
while (actualWidth > currentRegionWidth - 12 && text.Length > 1)
{
using (var blackBrush = new SolidBrush(Color.Black))
{
var text = HtmlUtil.RemoveHtmlTags(paragraph.Text, true);
text = text.Replace(Environment.NewLine, " ");
int w = currentRegionRight - currentRegionLeft;
int actualWidth = (int)e.Graphics.MeasureString(text, font).Width;
bool shortned = false;
while (actualWidth > w - 12 && text.Length > 1)
{
text = text.Remove(text.Length - 1);
actualWidth = (int)e.Graphics.MeasureString(text, font).Width;
shortned = true;
}
if (shortned)
{
text = text.TrimEnd() + "…";
}
// poor mans outline + text
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 3, 11 - 7));
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 3, 9 - 7));
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 2, 10 - 7));
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 4, 10 - 7));
e.Graphics.DrawString(text, font, textBrush, new PointF(currentRegionLeft + 3, 10 - 7));
text = "#" + paragraph.Number + " " + paragraph.Duration.ToShortString();
actualWidth = (int)e.Graphics.MeasureString(text, font).Width;
if (actualWidth >= w)
text = paragraph.Duration.ToShortString();
int top = Height - 14 - (int)e.Graphics.MeasureString("#", font).Height;
// poor mans outline + text
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 3, top + 1));
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 3, top - 1));
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 2, top));
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 4, top));
e.Graphics.DrawString(text, font, textBrush, new PointF(currentRegionLeft + 3, top));
}
text = text.Remove(text.Length - 1);
actualWidth = (int)e.Graphics.MeasureString(text, font).Width;
shortned = true;
}
if (shortned)
{
text = text.TrimEnd() + "…";
}
// poor mans outline + text
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 3, 11 - 7));
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 3, 9 - 7));
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 2, 10 - 7));
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 4, 10 - 7));
e.Graphics.DrawString(text, font, textBrush, new PointF(currentRegionLeft + 3, 10 - 7));
text = "#" + paragraph.Number + " " + durationStr;
actualWidth = (int)e.Graphics.MeasureString(text, font).Width;
if (actualWidth >= currentRegionWidth)
text = durationStr;
int top = Height - 14 - (int)e.Graphics.MeasureString("#", font).Height;
// poor mans outline + text
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 3, top + 1));
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 3, top - 1));
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 2, top));
e.Graphics.DrawString(text, font, blackBrush, new PointF(currentRegionLeft + 4, top));
e.Graphics.DrawString(text, font, textBrush, new PointF(currentRegionLeft + 3, top));
}
else if (n > 51)
e.Graphics.DrawString("#" + paragraph.Number + " " + paragraph.StartTime.ToShortString(), Font, textBrush, new PointF(currentRegionLeft + 3, Height - 32));
else if (n > 25)
e.Graphics.DrawString("#" + paragraph.Number, Font, textBrush, new PointF(currentRegionLeft + 3, Height - 32));
}
else if (n > 51)
e.Graphics.DrawString("#" + paragraph.Number + " " + durationStr, Font, textBrush, new PointF(currentRegionLeft + 3, Height - 32));
else if (n > 25)
e.Graphics.DrawString("#" + paragraph.Number, Font, textBrush, new PointF(currentRegionLeft + 3, Height - 32));
pen.Dispose();
}
}
@ -831,6 +780,11 @@ namespace Nikse.SubtitleEdit.Controls
return (int)Math.Round(seconds * _wavePeaks.Header.SampleRate * _zoomFactor);
}
private int SecondsToXPositionNoZoom(double seconds)
{
return (int)Math.Round(seconds * _wavePeaks.Header.SampleRate);
}
private void WaveformMouseDown(object sender, MouseEventArgs e)
{
if (_wavePeaks == null)
@ -1748,6 +1702,22 @@ namespace Nikse.SubtitleEdit.Controls
private void WaveformMouseWheel(object sender, MouseEventArgs e)
{
// The scroll wheel could work in theory without the waveform loaded (it would be
// just like dragging the slider, which does work without the waveform), but the
// code below doesn't support it, so bail out until someone feels like fixing it.
if (_wavePeaks == null)
return;
if (ModifierKeys == Keys.Control)
{
if (e.Delta > 0)
ZoomIn();
else
ZoomOut();
return;
}
int delta = e.Delta;
if (!MouseWheelScrollUpIsForward)
delta = delta * -1;

2
src/Forms/Main.Designer.cs generated
View File

@ -4450,7 +4450,7 @@
this.audioVisualizer.TextBold = true;
this.audioVisualizer.TextColor = System.Drawing.Color.Gray;
this.audioVisualizer.TextSize = 9F;
this.audioVisualizer.VerticalZoomPercent = 1D;
this.audioVisualizer.VerticalZoomFactor = 1D;
this.audioVisualizer.WaveformNotLoadedText = "Click to add waveform";
this.audioVisualizer.WavePeaks = null;
this.audioVisualizer.ZoomFactor = 1D;

6
src/Forms/Main.cs
View File

@ -10201,14 +10201,12 @@ namespace Nikse.SubtitleEdit.Forms
}
else if (audioVisualizer != null && audioVisualizer.Visible && e.KeyData == _waveformVerticalZoom)
{
if (audioVisualizer.VerticalZoomPercent >= 0.1)
audioVisualizer.VerticalZoomPercent -= 0.05;
audioVisualizer.VerticalZoomFactor *= 1.1;
e.SuppressKeyPress = true;
}
else if (audioVisualizer != null && audioVisualizer.Visible && e.KeyData == _waveformVerticalZoomOut)
{
if (audioVisualizer.VerticalZoomPercent < 1)
audioVisualizer.VerticalZoomPercent += 0.05;
audioVisualizer.VerticalZoomFactor /= 1.1;
e.SuppressKeyPress = true;
}
if (audioVisualizer != null && audioVisualizer.Visible && e.KeyData == _waveformZoomIn)