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Remove extra pixel consistently

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This commit is contained in:
LordGrey
2023-12-30 16:22:59 +01:00
parent 89ec43b851
commit ccacad9b3f
6 changed files with 31 additions and 46 deletions
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20
include/utils/Image.h
View File

@@ -15,9 +15,8 @@ public:
{
}
Image(unsigned width, unsigned height) :
Image(int width, int height) :
Image(width, height, Pixel_T())
{
}
@@ -28,7 +27,7 @@ public:
/// @param height The height of the image
/// @param background The color of the image
///
Image(unsigned width, unsigned height, const Pixel_T background) :
Image(int width, int height, const Pixel_T background) :
_d_ptr(new ImageData<Pixel_T>(width, height, background))
{
}
@@ -78,7 +77,7 @@ public:
///
/// @return The width of the image
///
inline unsigned width() const
inline int width() const
{
return _d_ptr->width();
}
@@ -88,7 +87,7 @@ public:
///
/// @return The height of the image
///
inline unsigned height() const
inline int height() const
{
return _d_ptr->height();
}
@@ -111,7 +110,7 @@ public:
///
/// @return const reference to specified pixel
///
uint8_t blue(unsigned pixel) const
uint8_t blue(int pixel) const
{
return _d_ptr->blue(pixel);
}
@@ -121,7 +120,7 @@ public:
///
/// @param x The x index
/// @param y The y index
const Pixel_T& operator()(unsigned x, unsigned y) const
const Pixel_T& operator()(int x, int y) const
{
return _d_ptr->operator()(x, y);
}
@@ -129,7 +128,7 @@ public:
///
/// @return reference to specified pixel
///
Pixel_T& operator()(unsigned x, unsigned y)
Pixel_T& operator()(int x, int y)
{
return _d_ptr->operator()(x, y);
}
@@ -137,7 +136,7 @@ public:
/// Resize the image
/// @param width The width of the image
/// @param height The height of the image
void resize(unsigned width, unsigned height)
void resize(int width, int height)
{
_d_ptr->resize(width, height);
}
@@ -198,12 +197,11 @@ private:
///
/// @return The index into the underlying data-vector
///
inline unsigned toIndex(unsigned x, unsigned y) const
inline int toIndex(int x, int y) const
{
return _d_ptr->toIndex(x, y);
}
private:
QSharedDataPointer<ImageData<Pixel_T>> _d_ptr;
};

51
include/utils/ImageData.h
View File

@@ -21,10 +21,10 @@ class ImageData : public QSharedData
public:
typedef Pixel_T pixel_type;
ImageData(unsigned width, unsigned height, const Pixel_T background) :
ImageData(int width, int height, const Pixel_T background) :
_width(width),
_height(height),
_pixels(new Pixel_T[width * height + 1])
_pixels(new Pixel_T[static_cast<ssize_t>(width * height)])
{
std::fill(_pixels, _pixels + width * height, background);
}
@@ -33,9 +33,9 @@ public:
QSharedData(other),
_width(other._width),
_height(other._height),
_pixels(new Pixel_T[other._width * other._height + 1])
_pixels(new Pixel_T[other._width * other._height])
{
memcpy(_pixels, other._pixels, static_cast<ulong>(other._width) * static_cast<ulong>(other._height) * sizeof(Pixel_T));
memcpy(_pixels, other._pixels, other._width * other._height * sizeof(Pixel_T));
}
ImageData& operator=(ImageData rhs)
@@ -71,42 +71,42 @@ public:
delete[] _pixels;
}
inline unsigned width() const
inline int width() const
{
return _width;
}
inline unsigned height() const
inline int height() const
{
return _height;
}
uint8_t red(unsigned pixel) const
uint8_t red(int pixel) const
{
return (_pixels + pixel)->red;
}
uint8_t green(unsigned pixel) const
uint8_t green(int pixel) const
{
return (_pixels + pixel)->green;
}
uint8_t blue(unsigned pixel) const
uint8_t blue(int pixel) const
{
return (_pixels + pixel)->blue;
}
const Pixel_T& operator()(unsigned x, unsigned y) const
const Pixel_T& operator()(int x, int y) const
{
return _pixels[toIndex(x,y)];
}
Pixel_T& operator()(unsigned x, unsigned y)
Pixel_T& operator()(int x, int y)
{
return _pixels[toIndex(x,y)];
}
void resize(unsigned width, unsigned height)
void resize(int width, int height)
{
if (width == _width && height == _height)
{
@@ -114,7 +114,7 @@ public:
}
// Allocate a new buffer without initializing the content
Pixel_T* newPixels = new Pixel_T[static_cast<size_t>(width) * static_cast<size_t>(height)];
Pixel_T* newPixels = new Pixel_T[static_cast<ssize_t>(width * height)];
// Release the old buffer without copying data
delete[] _pixels;
@@ -143,9 +143,9 @@ public:
image.resize(_width, _height);
}
const unsigned imageSize = _width * _height;
const int imageSize = _width * _height;
for (unsigned idx = 0; idx < imageSize; idx++)
for (int idx = 0; idx < imageSize; idx++)
{
const Pixel_T & color = _pixels[idx];
image.memptr()[idx] = ColorRgb{color.red, color.green, color.blue};
@@ -154,40 +154,29 @@ public:
ssize_t size() const
{
return static_cast<ssize_t>(_width) * static_cast<ssize_t>(_height) * sizeof(Pixel_T);
return static_cast<ssize_t>(_width * _height) * sizeof(Pixel_T);
}
void clear()
{
if (_width != 1 || _height != 1)
{
_width = 1;
_height = 1;
// Allocate a new buffer without initializing the content
Pixel_T* newPixels = new Pixel_T[static_cast<size_t>(_width) * static_cast<size_t>(_height)];
// Release the old buffer without copying data
delete[] _pixels;
// Update the pointer to the new buffer
_pixels = newPixels;
resize(1,1);
}
// Set the single pixel to the default background
_pixels[0] = Pixel_T();
}
private:
inline unsigned toIndex(unsigned x, unsigned y) const
inline int toIndex(int x, int y) const
{
return y * _width + x;
}
/// The width of the image
unsigned _width;
int _width;
/// The height of the image
unsigned _height;
int _height;
/// The pixels of the image
Pixel_T* _pixels;
};

2
libsrc/grabber/audio/AudioGrabber.cpp
View File

@@ -178,7 +178,7 @@ void AudioGrabber::processAudioFrame(int16_t* buffer, int length)
}
// Convert to Image<ColorRGB>
Image<ColorRgb> finalImage (static_cast<unsigned>(image.width()), static_cast<unsigned>(image.height()));
Image<ColorRgb> finalImage (image.width(),image.height());
for (int y = 0; y < image.height(); y++)
{
memcpy((unsigned char*)finalImage.memptr() + y * image.width() * 3, static_cast<unsigned char*>(image.scanLine(y)), image.width() * 3);

2
libsrc/grabber/video/EncoderThread.cpp
View File

@@ -318,7 +318,7 @@ void EncoderThread::processImageMjpeg()
}
}
Image<ColorRgb> srcImage(static_cast<unsigned>(_width), static_cast<unsigned>(_height));
Image<ColorRgb> srcImage(_width, _height);
if (tjDecompress2(_tjInstance, _localData , _size,
reinterpret_cast<unsigned char*>(srcImage.memptr()), _width, 0, _height,

1
libsrc/grabber/x11/X11Grabber.cpp
View File

@@ -27,7 +27,6 @@ X11Grabber::X11Grabber(int cropLeft, int cropRight, int cropTop, int cropBottom)
, _XRandRAvailable(false)
, _isWayland (false)
, _logger{}
, _image(0,0)
{
_logger = Logger::getInstance("X11");

1
libsrc/hyperion/GrabberWrapper.cpp
View File

@@ -30,7 +30,6 @@ GrabberWrapper::GrabberWrapper(const QString& grabberName, Grabber * ggrabber, i
, _timer(new QTimer(this))
, _updateInterval_ms(1000/updateRate_Hz)
, _ggrabber(ggrabber)
, _image(0,0)
{
GrabberWrapper::instance = this;