mirror of
https://github.com/cookiengineer/audacity
synced 2025-06-22 15:20:15 +02:00
Move drawing of TrackName from the subview to VRulersAndChannels...
... And thus do it only once per channel (i.e. once per set of sub-views)
This commit is contained in:
Paul Licameli
parent
4b2f78fd0d
commit
c882564994
@ -66,6 +66,7 @@ is time to refresh some aspect of the screen.
|
||||
#include "UndoManager.h"
|
||||
|
||||
#include "AColor.h"
|
||||
#include "AllThemeResources.h"
|
||||
#include "AudioIO.h"
|
||||
#include "float_cast.h"
|
||||
|
||||
@ -1050,6 +1051,112 @@ void TrackPanel::VerticalScroll( float fracPosition){
|
||||
|
||||
|
||||
namespace {
|
||||
// Drawing constants
|
||||
// DisplaceX and MarginX are large enough to avoid overwriting <- symbol
|
||||
// See TrackArt::DrawNegativeOffsetTrackArrows
|
||||
enum : int {
|
||||
// Displacement of the rectangle from upper left corner
|
||||
DisplaceX = 7, DisplaceY = 1,
|
||||
// Size of margins about the text extent that determine the rectangle size
|
||||
MarginX = 8, MarginY = 2,
|
||||
// Derived constants
|
||||
MarginsX = 2 * MarginX, MarginsY = 2 * MarginY,
|
||||
};
|
||||
|
||||
void GetTrackNameExtent(
|
||||
wxDC &dc, const Track *t, wxCoord *pW, wxCoord *pH )
|
||||
{
|
||||
wxFont labelFont(12, wxFONTFAMILY_SWISS, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL);
|
||||
dc.SetFont(labelFont);
|
||||
dc.GetTextExtent( t->GetName(), pW, pH );
|
||||
}
|
||||
|
||||
wxRect GetTrackNameRect(
|
||||
int leftOffset,
|
||||
const wxRect &trackRect, wxCoord textWidth, wxCoord textHeight )
|
||||
{
|
||||
return {
|
||||
leftOffset + DisplaceX,
|
||||
trackRect.y + DisplaceY,
|
||||
textWidth + MarginsX,
|
||||
textHeight + MarginsY
|
||||
};
|
||||
}
|
||||
|
||||
// Draws the track name on the track, if it is needed.
|
||||
void DrawTrackName(
|
||||
int leftOffset,
|
||||
TrackPanelDrawingContext &context, const Track * t, const wxRect & rect )
|
||||
{
|
||||
if( !TrackArtist::Get( context )->mbShowTrackNameInTrack )
|
||||
return;
|
||||
auto name = t->GetName();
|
||||
if( name.IsEmpty())
|
||||
return;
|
||||
if( !t->IsLeader())
|
||||
return;
|
||||
auto &dc = context.dc;
|
||||
wxBrush Brush;
|
||||
wxCoord textWidth, textHeight;
|
||||
GetTrackNameExtent( dc, t, &textWidth, &textHeight );
|
||||
|
||||
// Logic for name background translucency (aka 'shields')
|
||||
// Tracks less than kOpaqueHeight high will have opaque shields.
|
||||
// Tracks more than kTranslucentHeight will have maximum translucency for shields.
|
||||
const int kOpaqueHeight = 44;
|
||||
const int kTranslucentHeight = 124;
|
||||
int h = rect.GetHeight();
|
||||
// f codes the opacity as a number between 0.0 and 1.0
|
||||
float f = wxClip((h-kOpaqueHeight)/(float)(kTranslucentHeight-kOpaqueHeight),0.0,1.0);
|
||||
// kOpaque is the shield's alpha for tracks that are not tall
|
||||
// kTranslucent is the shield's alpha for tracks that are tall.
|
||||
const int kOpaque = 255;
|
||||
const int kTranslucent = 140;
|
||||
// 0.0 maps to full opacity, 1.0 maps to full translucency.
|
||||
int opacity = 255 - (255-140)*f;
|
||||
|
||||
const auto nameRect =
|
||||
GetTrackNameRect( leftOffset, rect, textWidth, textHeight );
|
||||
|
||||
#ifdef __WXMAC__
|
||||
// Mac dc is a graphics dc already.
|
||||
AColor::UseThemeColour( &dc, clrTrackInfoSelected, clrTrackPanelText, opacity );
|
||||
dc.DrawRoundedRectangle( nameRect, 8.0 );
|
||||
#else
|
||||
// This little dance with wxImage in order to draw to a graphic dc
|
||||
// which we can then paste as a translucent bitmap onto the real dc.
|
||||
enum : int {
|
||||
SecondMarginX = 1, SecondMarginY = 1,
|
||||
SecondMarginsX = 2 * SecondMarginX, SecondMarginsY = 2 * SecondMarginY,
|
||||
};
|
||||
wxImage image(
|
||||
textWidth + MarginsX + SecondMarginsX,
|
||||
textHeight + MarginsY + SecondMarginsY );
|
||||
image.InitAlpha();
|
||||
unsigned char *alpha=image.GetAlpha();
|
||||
memset(alpha, wxIMAGE_ALPHA_TRANSPARENT, image.GetWidth()*image.GetHeight());
|
||||
|
||||
{
|
||||
std::unique_ptr< wxGraphicsContext >
|
||||
pGc{ wxGraphicsContext::Create(image) };
|
||||
auto &gc = *pGc;
|
||||
// This is to a gc, not a dc.
|
||||
AColor::UseThemeColour( &gc, clrTrackInfoSelected, clrTrackPanelText, opacity );
|
||||
// Draw at 1,1, not at 0,0 to avoid clipping of the antialiasing.
|
||||
gc.DrawRoundedRectangle(
|
||||
SecondMarginX, SecondMarginY,
|
||||
textWidth + MarginsX, textHeight + MarginsY, 8.0 );
|
||||
// destructor of gc updates the wxImage.
|
||||
}
|
||||
wxBitmap bitmap( image );
|
||||
dc.DrawBitmap( bitmap,
|
||||
nameRect.x - SecondMarginX, nameRect.y - SecondMarginY );
|
||||
#endif
|
||||
dc.SetTextForeground(theTheme.Colour( clrTrackPanelText ));
|
||||
dc.DrawText(t->GetName(),
|
||||
nameRect.x + MarginX,
|
||||
nameRect.y + MarginY);
|
||||
}
|
||||
|
||||
/*
|
||||
|
||||
@ -1134,8 +1241,10 @@ struct VRulerAndChannel final : TrackPanelGroup {
|
||||
// a vertical ruler and a channel
|
||||
struct VRulersAndChannels final : TrackPanelGroup {
|
||||
VRulersAndChannels(
|
||||
const std::shared_ptr<Track> &pTrack,
|
||||
TrackView::Refinement refinement, wxCoord leftOffset )
|
||||
: mRefinement{ std::move( refinement ) }
|
||||
: mpTrack{ pTrack }
|
||||
, mRefinement{ std::move( refinement ) }
|
||||
, mLeftOffset{ leftOffset } {}
|
||||
Subdivision Children( const wxRect &rect ) override
|
||||
{
|
||||
@ -1149,6 +1258,37 @@ struct VRulersAndChannels final : TrackPanelGroup {
|
||||
}
|
||||
return { Axis::Y, std::move( refinement ) };
|
||||
}
|
||||
|
||||
// TrackPanelDrawable implementation
|
||||
void Draw(
|
||||
TrackPanelDrawingContext &context,
|
||||
const wxRect &rect, unsigned iPass ) override
|
||||
{
|
||||
// This overpaints the track area, but sometimes too the stereo channel
|
||||
// separator, so draw at least later than that
|
||||
if ( iPass == TrackArtist::PassBorders )
|
||||
DrawTrackName( mLeftOffset,
|
||||
context, mpTrack->SubstitutePendingChangedTrack().get(), rect );
|
||||
}
|
||||
|
||||
wxRect DrawingArea(
|
||||
TrackPanelDrawingContext &context,
|
||||
const wxRect &rect, const wxRect &panelRect, unsigned iPass ) override
|
||||
{
|
||||
auto result = rect;
|
||||
if ( iPass == TrackArtist::PassBorders ) {
|
||||
if ( true ) {
|
||||
wxCoord textWidth, textHeight;
|
||||
GetTrackNameExtent( context.dc, mpTrack.get(),
|
||||
&textWidth, &textHeight );
|
||||
result =
|
||||
GetTrackNameRect( mLeftOffset, rect, textWidth, textHeight );
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
std::shared_ptr< Track > mpTrack;
|
||||
TrackView::Refinement mRefinement;
|
||||
wxCoord mLeftOffset;
|
||||
};
|
||||
@ -1173,6 +1313,7 @@ struct ChannelGroup final : TrackPanelGroup {
|
||||
rect.SetHeight( height - kSeparatorThickness );
|
||||
refinement.emplace_back( yy,
|
||||
std::make_shared< VRulersAndChannels >(
|
||||
channel->shared_from_this(),
|
||||
TrackView::Get( *channel ).GetSubViews( rect ),
|
||||
mLeftOffset ) );
|
||||
if ( channel != pLast ) {
|
||||
|
||||
@ -16,7 +16,6 @@ Paul Licameli split from class TrackView
|
||||
#include "ZoomHandle.h"
|
||||
#include "../ui/SelectHandle.h"
|
||||
#include "../../AColor.h"
|
||||
#include "../../AllThemeResources.h"
|
||||
#include "../../ProjectSettings.h"
|
||||
#include "../../Track.h"
|
||||
#include "../../TrackArtist.h"
|
||||
@ -81,138 +80,6 @@ std::vector<UIHandlePtr> CommonTrackView::HitTest
|
||||
return results;
|
||||
}
|
||||
|
||||
namespace {
|
||||
// Drawing constants
|
||||
// DisplaceX and MarginX are large enough to avoid overwriting <- symbol
|
||||
// See TrackArt::DrawNegativeOffsetTrackArrows
|
||||
enum : int {
|
||||
// Displacement of the rectangle from upper left corner
|
||||
DisplaceX = 7, DisplaceY = 1,
|
||||
// Size of margins about the text extent that determine the rectangle size
|
||||
MarginX = 8, MarginY = 2,
|
||||
// Derived constants
|
||||
MarginsX = 2 * MarginX, MarginsY = 2 * MarginY,
|
||||
};
|
||||
}
|
||||
|
||||
static void GetTrackNameExtent(
|
||||
wxDC &dc, const Track *t, wxCoord *pW, wxCoord *pH )
|
||||
{
|
||||
wxFont labelFont(12, wxFONTFAMILY_SWISS, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL);
|
||||
dc.SetFont(labelFont);
|
||||
dc.GetTextExtent( t->GetName(), pW, pH );
|
||||
}
|
||||
|
||||
static wxRect GetTrackNameRect(
|
||||
const wxRect &trackRect, wxCoord textWidth, wxCoord textHeight )
|
||||
{
|
||||
return {
|
||||
trackRect.x + DisplaceX,
|
||||
trackRect.y + DisplaceY,
|
||||
textWidth + MarginsX,
|
||||
textHeight + MarginsY
|
||||
};
|
||||
}
|
||||
|
||||
// Draws the track name on the track, if it is needed.
|
||||
static void DrawTrackName(
|
||||
TrackPanelDrawingContext &context, const Track * t, const wxRect & rect )
|
||||
{
|
||||
if( !TrackArtist::Get( context )->mbShowTrackNameInTrack )
|
||||
return;
|
||||
auto name = t->GetName();
|
||||
if( name.IsEmpty())
|
||||
return;
|
||||
if( !t->IsLeader())
|
||||
return;
|
||||
auto &dc = context.dc;
|
||||
wxBrush Brush;
|
||||
wxCoord textWidth, textHeight;
|
||||
GetTrackNameExtent( dc, t, &textWidth, &textHeight );
|
||||
|
||||
// Logic for name background translucency (aka 'shields')
|
||||
// Tracks less than kOpaqueHeight high will have opaque shields.
|
||||
// Tracks more than kTranslucentHeight will have maximum translucency for shields.
|
||||
const int kOpaqueHeight = 44;
|
||||
const int kTranslucentHeight = 124;
|
||||
int h = rect.GetHeight();
|
||||
// f codes the opacity as a number between 0.0 and 1.0
|
||||
float f = wxClip((h-kOpaqueHeight)/(float)(kTranslucentHeight-kOpaqueHeight),0.0,1.0);
|
||||
// kOpaque is the shield's alpha for tracks that are not tall
|
||||
// kTranslucent is the shield's alpha for tracks that are tall.
|
||||
const int kOpaque = 255;
|
||||
const int kTranslucent = 140;
|
||||
// 0.0 maps to full opacity, 1.0 maps to full translucency.
|
||||
int opacity = 255 - (255-140)*f;
|
||||
|
||||
const auto nameRect = GetTrackNameRect( rect, textWidth, textHeight );
|
||||
|
||||
#ifdef __WXMAC__
|
||||
// Mac dc is a graphics dc already.
|
||||
AColor::UseThemeColour( &dc, clrTrackInfoSelected, clrTrackPanelText, opacity );
|
||||
dc.DrawRoundedRectangle( nameRect, 8.0 );
|
||||
#else
|
||||
// This little dance with wxImage in order to draw to a graphic dc
|
||||
// which we can then paste as a translucent bitmap onto the real dc.
|
||||
enum : int {
|
||||
SecondMarginX = 1, SecondMarginY = 1,
|
||||
SecondMarginsX = 2 * SecondMarginX, SecondMarginsY = 2 * SecondMarginY,
|
||||
};
|
||||
wxImage image(
|
||||
textWidth + MarginsX + SecondMarginsX,
|
||||
textHeight + MarginsY + SecondMarginsY );
|
||||
image.InitAlpha();
|
||||
unsigned char *alpha=image.GetAlpha();
|
||||
memset(alpha, wxIMAGE_ALPHA_TRANSPARENT, image.GetWidth()*image.GetHeight());
|
||||
|
||||
{
|
||||
std::unique_ptr< wxGraphicsContext >
|
||||
pGc{ wxGraphicsContext::Create(image) };
|
||||
auto &gc = *pGc;
|
||||
// This is to a gc, not a dc.
|
||||
AColor::UseThemeColour( &gc, clrTrackInfoSelected, clrTrackPanelText, opacity );
|
||||
// Draw at 1,1, not at 0,0 to avoid clipping of the antialiasing.
|
||||
gc.DrawRoundedRectangle(
|
||||
SecondMarginX, SecondMarginY,
|
||||
textWidth + MarginsX, textHeight + MarginsY, 8.0 );
|
||||
// destructor of gc updates the wxImage.
|
||||
}
|
||||
wxBitmap bitmap( image );
|
||||
dc.DrawBitmap( bitmap,
|
||||
nameRect.x - SecondMarginX, nameRect.y - SecondMarginY );
|
||||
#endif
|
||||
dc.SetTextForeground(theTheme.Colour( clrTrackPanelText ));
|
||||
dc.DrawText(t->GetName(),
|
||||
nameRect.x + MarginX,
|
||||
nameRect.y + MarginY);
|
||||
}
|
||||
|
||||
wxRect CommonTrackView::DrawingArea(
|
||||
TrackPanelDrawingContext &context,
|
||||
const wxRect &rect, const wxRect &panelRect, unsigned iPass )
|
||||
{
|
||||
auto result = rect;
|
||||
if ( iPass == TrackArtist::PassBorders ) {
|
||||
if ( true ) {
|
||||
wxCoord textWidth, textHeight;
|
||||
GetTrackNameExtent( context.dc, FindTrack().get(),
|
||||
&textWidth, &textHeight );
|
||||
result = GetTrackNameRect( rect, textWidth, textHeight );
|
||||
}
|
||||
}
|
||||
return rect;
|
||||
}
|
||||
|
||||
void CommonTrackView::Draw(
|
||||
TrackPanelDrawingContext &context, const wxRect &rect, unsigned iPass )
|
||||
{
|
||||
// This overpaints the track area, but sometimes too the stereo channel
|
||||
// separator, so draw at least later than that
|
||||
if ( iPass == TrackArtist::PassBorders )
|
||||
DrawTrackName(
|
||||
context, FindTrack()->SubstitutePendingChangedTrack().get(), rect );
|
||||
}
|
||||
|
||||
std::shared_ptr<TrackPanelCell> CommonTrackView::ContextMenuDelegate()
|
||||
{
|
||||
return TrackControls::Get( *FindTrack() ).shared_from_this();
|
||||
|
||||
@ -33,15 +33,6 @@ public:
|
||||
|
||||
void TimeShiftHitTest();
|
||||
|
||||
// TrackPanelDrawable implementation
|
||||
wxRect DrawingArea(
|
||||
TrackPanelDrawingContext &context,
|
||||
const wxRect &rect, const wxRect &panelRect, unsigned iPass ) override;
|
||||
|
||||
void Draw(
|
||||
TrackPanelDrawingContext &context,
|
||||
const wxRect &rect, unsigned iPass ) override;
|
||||
|
||||
virtual int GetMinimizedHeight() const override;
|
||||
|
||||
protected:
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user