Autres/audacity
1
0
Fork 0
mirror of https://github.com/cookiengineer/audacity synced 2025-10-21 14:02:57 +02:00
Code Issues Releases Wiki Activity

Image manipulation functions return smart pointers

Browse Source
This commit is contained in:
Paul Licameli
2016-03-31 13:41:42 -04:00
parent 99cb50d6db
commit c78e91f6c1
3 changed files with 29 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
src/ImageManipulation.cpp
View File

@@ -30,7 +30,7 @@ channel. This collection of functions fills that gap.
/// the entire image by the vector difference between that
/// pixel and the dstColour. For better control, use
/// ChangeImageColour(wxImage, wxColour*, wxColour*) below
wxImage *ChangeImageColour(wxImage * srcImage, wxColour & dstColour)
std::unique_ptr<wxImage> ChangeImageColour(wxImage * srcImage, wxColour & dstColour)
{
unsigned char *src = srcImage->GetData();
wxColour c;
@@ -40,7 +40,7 @@ wxImage *ChangeImageColour(wxImage * srcImage, wxColour & dstColour)
///This will explicitly shift the image color from
///srcColour to dstColour.
wxImage *ChangeImageColour(wxImage * srcImage,
std::unique_ptr<wxImage> ChangeImageColour(wxImage * srcImage,
wxColour & srcColour,
wxColour & dstColour)
{
@@ -56,7 +56,7 @@ wxImage *ChangeImageColour(wxImage * srcImage,
int width = srcImage->GetWidth();
int height = srcImage->GetHeight();
wxImage * dstImage = new wxImage(width, height);
auto dstImage = std::make_unique<wxImage>(width, height);
unsigned char *dst = dstImage->GetData();
@@ -90,7 +90,7 @@ wxImage *ChangeImageColour(wxImage * srcImage,
c = (c + 1) % 3;
}
return dstImage;
return std::move(dstImage);
}
/// Takes a background image, foreground image, and mask
@@ -98,7 +98,7 @@ wxImage *ChangeImageColour(wxImage * srcImage,
/// returns an NEW image where the foreground has been
/// overlaid onto the background using alpha-blending,
/// at location (xoff, yoff).
wxImage *OverlayImage(wxImage * background, wxImage * foreground,
std::unique_ptr<wxImage> OverlayImage(wxImage * background, wxImage * foreground,
wxImage * mask, int xoff, int yoff)
{
unsigned char *bg = background->GetData();
@@ -130,7 +130,7 @@ wxImage *OverlayImage(wxImage * background, wxImage * foreground,
//Make a NEW image the size of the background
wxImage * dstImage = new wxImage(bgWidth, bgHeight);
auto dstImage = std::make_unique<wxImage>(bgWidth, bgHeight);
unsigned char *dst = dstImage->GetData();
memcpy(dst, bg, bgWidth * bgHeight * 3);
@@ -156,7 +156,7 @@ wxImage *OverlayImage(wxImage * background, wxImage * foreground,
(fg[3 * (y * fgWidth + x) + c] * value)) / 255;
}
}
return dstImage;
return std::move(dstImage);
}
/// Takes a background image, foreground image, and mask
@@ -164,7 +164,7 @@ wxImage *OverlayImage(wxImage * background, wxImage * foreground,
/// returns an NEW image where the foreground has been
/// overlaid onto the background using alpha-blending,
/// at location (xoff, yoff).
wxImage *OverlayImage(teBmps eBack, teBmps eForeground,
std::unique_ptr<wxImage> OverlayImage(teBmps eBack, teBmps eForeground,
int xoff, int yoff)
{
wxImage imgBack(theTheme.Image( eBack ));
@@ -174,7 +174,7 @@ wxImage *OverlayImage(teBmps eBack, teBmps eForeground,
// TMP: dmazzoni - just so the code runs even though not all of
// our images have transparency...
if (!imgFore.HasAlpha())
return new wxImage(imgBack);
return std::make_unique<wxImage>(imgBack);
wxASSERT( imgFore.HasAlpha() );
@@ -205,7 +205,7 @@ wxImage *OverlayImage(teBmps eBack, teBmps eForeground,
hCutoff = (bgHeight - yoff > hCutoff) ? hCutoff : bgHeight - yoff;
//Make a NEW image the size of the background
wxImage * dstImage = new wxImage(bgWidth, bgHeight);
auto dstImage = std::make_unique<wxImage>(bgWidth, bgHeight);
unsigned char *dst = dstImage->GetData();
memcpy(dst, bg, bgWidth * bgHeight * 3);
@@ -234,9 +234,9 @@ wxImage *OverlayImage(teBmps eBack, teBmps eForeground,
}
// Creates an image with a solid background color
wxImage *CreateBackground(int width, int height, wxColour colour)
std::unique_ptr<wxImage> CreateBackground(int width, int height, wxColour colour)
{
wxImage *i = new wxImage(width, height);
auto i = std::make_unique<wxImage>(width, height);
unsigned char *ip;
int srcVal[3];
int x;
@@ -252,14 +252,14 @@ wxImage *CreateBackground(int width, int height, wxColour colour)
*ip++ = srcVal[2];
}
return i;
return std::move(i);
}
// Creates an image with the Mac OS X Aqua stripes, to be used
// as a background
wxImage *CreateAquaBackground(int width, int height, int offset)
std::unique_ptr<wxImage> CreateAquaBackground(int width, int height, int offset)
{
wxImage *image = new wxImage(width, height);
auto image = std::make_unique<wxImage>(width, height);
unsigned char *ip = image->GetData();
unsigned char val[4] = {231, 239, 255, 239};
unsigned char v;
@@ -271,13 +271,14 @@ wxImage *CreateAquaBackground(int width, int height, int offset)
*ip++ = v;
}
return image;
return std::move(image);
}
std::unique_ptr<wxImage> CreateSysBackground
#ifdef USE_AQUA_THEME
wxImage *CreateSysBackground(int width, int height, int offset, wxColour colour)
(int width, int height, int offset, wxColour colour)
#else
wxImage *CreateSysBackground(int width, int height, int WXUNUSED(offset), wxColour colour)
(int width, int height, int WXUNUSED(offset), wxColour colour)
#endif
{
#ifdef USE_AQUA_THEME