SoftwareImage Class Reference

CPU-side image buffer storing BGRA pixel data. More...

#include <SoftwareImage.h>

Public Member Functions
	SoftwareImage ()=default
	SoftwareImage (int width, int height)
	Create a blank image with the given dimensions.
	SoftwareImage (const uint8_t *bgraData, int width, int height)
	Construct from existing BGRA pixel data (copies the data).
int	width () const
	Image width in pixels.
int	height () const
	Image height in pixels.
bool	empty () const
	True if the image has zero dimensions.
uint8_t *	data ()
	Mutable pointer to the raw BGRA pixel buffer.
const uint8_t *	data () const
	Const pointer to the raw BGRA pixel buffer.
SoftwareImage	scaled (int newWidth, int newHeight) const
	Return a scaled copy using bilinear interpolation.
SoftwareImage	mirrored () const
	Return a vertically mirrored copy.
bool	savePNG (const std::string &path) const
	Save as PNG to the given file path.
bool	savePNG (const std::wstring &path) const
	Save as PNG to the given wide-string file path.
void	composite (const SoftwareImage &src, int destX, int destY, int blendMode=1)
	Composite a source image onto this image at the given position.
void	assign (const SoftwareImage &src)
	Replace contents entirely with a copy of src.

Static Public Member Functions
static SoftwareImage	loadFromMemory (const uint8_t *data, int size)
	Load a JPEG image from a memory buffer.

Private Attributes
int	w_ = 0
int	h_ = 0
std::vector< uint8_t >	pixels_

Detailed Description

CPU-side image buffer storing BGRA pixel data.

Provides scaling, mirroring, compositing, and PNG save operations. Replaces QImage/QPainter for texture composition in the WoW Model Viewer.

Definition at line 11 of file SoftwareImage.h.

Constructor & Destructor Documentation

SoftwareImage() [1/3]

SoftwareImage::SoftwareImage ( )

default

SoftwareImage() [2/3]

SoftwareImage::SoftwareImage	(	int	width,
		int	height
	)

Create a blank image with the given dimensions.

Definition at line 12 of file SoftwareImage.cpp.

SoftwareImage() [3/3]

SoftwareImage::SoftwareImage	(	const uint8_t *	bgraData,
		int	width,
		int	height
	)

Construct from existing BGRA pixel data (copies the data).

Definition at line 17 of file SoftwareImage.cpp.

Member Function Documentation

assign()

void SoftwareImage::assign

(

const SoftwareImage &

src

)

Replace contents entirely with a copy of src.

Definition at line 206 of file SoftwareImage.cpp.

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composite()

void SoftwareImage::composite	(	const SoftwareImage &	src,
		int	destX,
		int	destY,
		int	blendMode = 1
	)

Composite a source image onto this image at the given position.

Parameters

src	Source image to composite.
destX	Horizontal offset in this image.
destY	Vertical offset in this image.
blendMode	1 = SourceOver (default), 4 = Multiply, 6 = Overlay.

Definition at line 143 of file SoftwareImage.cpp.

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data() [1/2]

uint8_t * SoftwareImage::data ( )

inline

Mutable pointer to the raw BGRA pixel buffer.

Definition at line 32 of file SoftwareImage.h.

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data() [2/2]

const uint8_t * SoftwareImage::data ( ) const

inline

Const pointer to the raw BGRA pixel buffer.

Definition at line 35 of file SoftwareImage.h.

empty()

bool SoftwareImage::empty ( ) const

inline

True if the image has zero dimensions.

Definition at line 29 of file SoftwareImage.h.

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height()

int SoftwareImage::height ( ) const

inline

Image height in pixels.

Definition at line 26 of file SoftwareImage.h.

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loadFromMemory()

SoftwareImage SoftwareImage::loadFromMemory ( const uint8_t *  data, int  size  )

static

Load a JPEG image from a memory buffer.

Returns

A BGRA SoftwareImage (empty on failure).

Definition at line 213 of file SoftwareImage.cpp.

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mirrored()

SoftwareImage SoftwareImage::mirrored

(

)

const

Return a vertically mirrored copy.

Definition at line 67 of file SoftwareImage.cpp.

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savePNG() [1/2]

bool SoftwareImage::savePNG

(

const std::string &

path

)

const

Save as PNG to the given file path.

Internally converts BGRA → RGBA for stb_image_write.

Definition at line 92 of file SoftwareImage.cpp.

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savePNG() [2/2]

bool SoftwareImage::savePNG

(

const std::wstring &

path

)

const

Save as PNG to the given wide-string file path.

Definition at line 104 of file SoftwareImage.cpp.

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scaled()

SoftwareImage SoftwareImage::scaled	(	int	newWidth,
		int	newHeight
	)		const

Return a scaled copy using bilinear interpolation.

Definition at line 22 of file SoftwareImage.cpp.

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width()

int SoftwareImage::width ( ) const

inline

Image width in pixels.

Definition at line 23 of file SoftwareImage.h.

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Member Data Documentation

h_

int SoftwareImage::h_ = 0

private

Definition at line 67 of file SoftwareImage.h.

pixels_

std::vector<uint8_t> SoftwareImage::pixels_

private

Definition at line 68 of file SoftwareImage.h.

w_

int SoftwareImage::w_ = 0

private

Definition at line 66 of file SoftwareImage.h.

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The documentation for this class was generated from the following files:

• Source/Engine/IO/SoftwareImage.h
• Source/Engine/IO/SoftwareImage.cpp