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More const qualifications, and mutables, for functions that draw tracks...

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... The display related  members that had to become mutable are probably
ones that don't belong in the track classes, ultimately.
This commit is contained in:
Paul Licameli
2016-02-27 12:12:40 -05:00
parent 05f5375e4a
commit 70c1d57591
15 changed files with 98 additions and 93 deletions
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9
src/TimeTrack.h
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@@ -50,7 +50,7 @@ class TimeTrack final : public Track {
double GetStartTime() const override { return 0.0; }
double GetEndTime() const override { return 0.0; }
void Draw(wxDC & dc, const wxRect & r, const ZoomInfo &zoomInfo);
void Draw(wxDC & dc, const wxRect & r, const ZoomInfo &zoomInfo) const;
// XMLTagHandler callback methods for loading and saving
@@ -68,6 +68,7 @@ class TimeTrack final : public Track {
// Access the track's speed envelope
Envelope *GetEnvelope() { return mEnvelope; }
const Envelope *GetEnvelope() const { return mEnvelope; }
//Note: The meaning of this function has changed (December 2012)
//Previously this function did something that was close to the opposite (but not entirely accurate).
@@ -81,7 +82,7 @@ class TimeTrack final : public Track {
* @param t1 The ending time to calculate to
* @return The relative length increase of the chosen segment from the original sound.
*/
double ComputeWarpFactor(double t0, double t1);
double ComputeWarpFactor(double t0, double t1) const;
/** @brief Compute the duration (in seconds at playback) of the specified region of the track.
*
* Takes a region of the time track (specified by the unwarped time points in the project), and
@@ -91,7 +92,7 @@ class TimeTrack final : public Track {
* @param t1 unwarped time to stop calculation at
* @return the warped duration in seconds
*/
double ComputeWarpedLength(double t0, double t1);
double ComputeWarpedLength(double t0, double t1) const;
/** @brief Compute how much unwarped time must have elapsed if length seconds of warped time has
* elapsed
*
@@ -99,7 +100,7 @@ class TimeTrack final : public Track {
* @param length How many seconds of warped time went past.
* @return The end point (in seconds from project start) as unwarped time
*/
double SolveWarpedLength(double t0, double length);
double SolveWarpedLength(double t0, double length) const;
// Get/Set the speed-warping range, as percentage of original speed (e.g. 90%-110%)