Visualization Library 2.1.0
A lightweight C++ OpenGL middleware for 2D/3D graphics
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Represents a vl::Image with an associated Pixel Buffer Object. More...
#include <ImagePBO.hpp>
Public Member Functions | |
ImagePBO () | |
Constructor. More... | |
ImagePBO (const String &path) | |
Constructors: loads an image from the specified path. More... | |
ImagePBO (int x, int y, int z, int bytealign, EImageFormat format, EImageType type) | |
Constructor: initializes an image with the specified parameters. More... | |
const BufferObject * | pixelBufferObject () const |
The associated OpenGL Buffer Object. More... | |
BufferObject * | pixelBufferObject () |
The associated OpenGL Buffer Object. More... | |
void | setPixelBufferObject (BufferObject *pbo) |
The associated OpenGL Buffer Object. More... | |
Public Member Functions inherited from vl::Image | |
virtual | ~Image () |
Image () | |
Constructor. More... | |
Image (void *buffer_ptr, int buffer_bytes) | |
Initializes the image to use vl::Buffer::UserAllocatedBuffer mode and the given buffer instead of allocating its own buffer. More... | |
Image (const String &file_path) | |
Initializes the image reading from the give file path. More... | |
Image (int x, int y, int z, int bytealign, EImageFormat format, EImageType type) | |
Initializes a 1D, 2D or 3D image. For 2D images y and z must be set to 0. For 3D images z must be set to 0. More... | |
Image (const Image &other) | |
Image & | operator= (const Image &other) |
bool | isCubemap () const |
bool | isValid () const |
Returns true if the image has valid width/height/depth, pitch and byte alignment, type/format combination. More... | |
EImageDimension | dimension () const |
void | allocate1D (int x, EImageFormat format, EImageType type) |
void | allocate2D (int x, int y, int bytealign, EImageFormat format, EImageType type) |
void | allocate3D (int x, int y, int z, int bytealign, EImageFormat format, EImageType type) |
void | allocateCubemap (int x, int y, int bytealign, EImageFormat format, EImageType type) |
void | reset (int x, int y, int z, int bytealign, EImageFormat format, EImageType type, bool is_cubemap) |
Sets up the image configuration & clears the local storage. More... | |
void | reset () |
Disposes all the pixel data and resets the image settings to its defaults. More... | |
int | byteAlignment () const |
Returns the byte-alignment of the row of the image. More... | |
void | setByteAlignment (int bytealign) |
Modifies the byte-alignment of the rows of the image, thus changing its pitch. More... | |
int | bitsPerPixel () const |
int | requiredMemory () const |
Returns the number of bytes requested to store the image. More... | |
String | print () const |
String | printType () const |
String | printFormat () const |
void | setWidth (int x) |
void | setHeight (int y) |
void | setDepth (int z) |
void | setFormat (EImageFormat format) |
void | setType (EImageType type) |
bool | hasAlpha () const |
Whether an image contains relevant alpha information. More... | |
void | setHasAlpha (bool has_alpha) |
Whether an image contains relevant alpha information. More... | |
int | alphaBits () const |
The number of bits dedicated to the alpha channel. More... | |
bool | isNormalMap () const |
Whether an image represents a normal map. More... | |
void | setIsNormalMap (bool is_normalmap) |
Whether an image represents a normal map. More... | |
const KeyValues * | tags () const |
A set of key/value couples that can be used to attach extra information to an image like DICOM information etc. More... | |
KeyValues * | tags () |
A set of key/value couples that can be used to attach extra information to an image like DICOM information etc. More... | |
void | setTags (KeyValues *tags) |
A set of key/value couples that can be used to attach extra information to an image like DICOM information etc. More... | |
void | setImageBuffer (Buffer *buffer) |
The buffer used to store the image pixels. More... | |
Buffer * | imageBuffer () |
The buffer used to store the image pixels. More... | |
const Buffer * | imageBuffer () const |
The buffer used to store the image pixels. More... | |
const unsigned char * | pixels () const |
Raw pointer to pixels. More... | |
unsigned char * | pixels () |
Raw pointer to pixels. More... | |
bool | empty () |
True if image is empty. More... | |
unsigned char * | pixelsZSlice (int zth_slice) |
Zth slice of 3D image. More... | |
unsigned char * | pixelsXP () |
X-positive cubemap face. More... | |
unsigned char * | pixelsXN () |
X-negative cubemap face. More... | |
unsigned char * | pixelsYP () |
Y-positive cubemap face. More... | |
unsigned char * | pixelsYN () |
Y-negative cubemap face. More... | |
unsigned char * | pixelsZP () |
Z-positive cubemap face. More... | |
unsigned char * | pixelsZN () |
Z-negative cubemap face. More... | |
const unsigned char * | pixelsXP () const |
const unsigned char * | pixelsXN () const |
const unsigned char * | pixelsYP () const |
const unsigned char * | pixelsYN () const |
const unsigned char * | pixelsZP () const |
const unsigned char * | pixelsZN () const |
void | setMipmaps (const std::vector< ref< Image > > &mipmaps) |
const std::vector< ref< Image > > & | mipmaps () const |
std::vector< ref< Image > > & | mipmaps () |
int | width () const |
int | height () const |
int | depth () const |
int | pitch () const |
EImageFormat | format () const |
EImageType | type () const |
int | isCompressedFormat (EImageFormat fmt) |
void | flipVertically () |
ref< Image > | convertType (EImageType new_type) const |
Converts the type() of an image. More... | |
ref< Image > | convertFormat (EImageFormat new_format) const |
Converts the format() of an image. More... | |
bool | equalize () |
Equalizes the image. Returns false if the image format() or type() is not supported. This function supports both 3D images and cubemaps. More... | |
bool | contrast (float black, float white) |
Adjusts the contrast of an image. Returns false if the image format() or type() is not supported. This function supports both 3D images and cubemaps. More... | |
bool | contrastHounsfieldAuto () |
Adjusts the contrast of an image using the window-center/window-width method used for CT images. Returns false if the image format() or type() is not supported. This function supports both 3D images and cubemaps. More... | |
bool | contrastHounsfield (float center, float width, float intercept, float range) |
Adjusts the contrast of an image using the window-center/window-width method used for CT images. Returns false if the image format() or type() is not supported. This function supports both 3D images and cubemaps. More... | |
fvec4 | sampleLinear (double x) const |
Performs a sampling on a 1d image using linear filtering. More... | |
fvec4 | sampleLinear (double x, double y) const |
Performs a sampling on a 2d image using bilinear filtering. More... | |
fvec4 | sampleLinear (double x, double y, double z) const |
Performs a sampling on a 3d image using trilinear filtering. More... | |
fvec4 | sample (int x, int y=0, int z=0) const |
Returns the color associated to the specified pixel. More... | |
ref< Image > | subImage (int xstart, int ystart, int width, int height) |
Creates a new image containing the specified rectangular pixel area taken from the source image. More... | |
void | copySubImage (Image *img_src, RectI src, ivec2 dst) |
Copies the rectangular area specified by src of img_src into an Image at position dst . More... | |
void | substituteColorRGB_RGBA (unsigned int before, unsigned int after) |
Substitutes the color 'before' with the new color 'after'. More... | |
void | substituteColorRGB_RGB (unsigned int before, unsigned int after) |
Substitutes the color 'before' with the new color 'after'. More... | |
void | substituteColorGreenKey (unsigned int col0, unsigned int col1) |
const String & | filePath () const |
The file from which the image was loaded. More... | |
void | setFilePath (const String &path) |
The file from which the image was loaded. More... | |
Public Member Functions inherited from vl::Object | |
Object () | |
Constructor. More... | |
Object (const Object &other) | |
Copy constructor: copies the name, ref count mutex and user data. More... | |
Object & | operator= (const Object &other) |
Copy operator: copies the object's name, ref count mutex and user data. More... | |
const std::string & | objectName () const |
The name of the object, by default set to the object's class name. More... | |
void | setObjectName (const char *name) |
The name of the object, by default set to the object's class name in debug builds. More... | |
void | setObjectName (const std::string &name) |
The name of the object, by default set to the object's class name in debug builds. More... | |
void | setRefCountMutex (IMutex *mutex) |
The mutex used to protect the reference counting of an Object across multiple threads. More... | |
IMutex * | refCountMutex () |
The mutex used to protect the reference counting of an Object across multiple threads. More... | |
const IMutex * | refCountMutex () const |
The mutex used to protect the reference counting of an Object across multiple threads. More... | |
int | referenceCount () const |
Returns the number of references of an object. More... | |
void | incReference () const |
Increments the reference count of an object. More... | |
void | decReference () |
Decrements the reference count of an object and deletes it if both automaticDelete() is true the count reaches 0. More... | |
void | setAutomaticDelete (bool autodel_on) |
If set to true the Object is deleted when its reference count reaches 0. More... | |
bool | automaticDelete () const |
If set to true the Object is deleted when its reference count reaches 0. More... | |
template<class T > | |
T * | as () |
Casts an Object to the specified class. More... | |
template<class T > | |
const T * | as () const |
Casts an Object to the specified class. More... | |
Protected Attributes | |
ref< BufferObject > | mPBO |
Protected Attributes inherited from vl::Image | |
ref< Buffer > | mPixels |
ref< KeyValues > | mTags |
String | mFilePath |
std::vector< ref< Image > > | mMipmaps |
int | mWidth |
int | mHeight |
int | mDepth |
int | mPitch |
int | mByteAlign |
EImageFormat | mFormat |
EImageType | mType |
bool | mIsCubemap |
bool | mIsNormalMap |
bool | mHasAlpha |
Protected Attributes inherited from vl::Object | |
std::string | mObjectName |
IMutex * | mRefCountMutex |
int | mReferenceCount |
bool | mAutomaticDelete |
Additional Inherited Members | |
Static Public Member Functions inherited from vl::Image | |
static int | bitsPerPixel (EImageType type, EImageFormat format) |
Returns the number of bits used to represents one pixel. More... | |
static int | requiredMemory (int x, int y, int z, int bytealign, EImageFormat format, EImageType type, bool is_cubemap) |
static int | requiredMemory1D (int x, EImageFormat format, EImageType type) |
static int | requiredMemory2D (int x, int y, int bytealign, EImageFormat format, EImageType type) |
static int | requiredMemory3D (int x, int y, int z, int bytealign, EImageFormat format, EImageType type) |
static int | requiredMemoryCubemap (int x, int y, int bytealign, EImageFormat format, EImageType type) |
Protected Member Functions inherited from vl::Image | |
void | updatePitch () |
void | allocate () |
Protected Member Functions inherited from vl::Object | |
virtual | ~Object () |
Represents a vl::Image with an associated Pixel Buffer Object.
Definition at line 44 of file ImagePBO.hpp.
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Constructors: loads an image from the specified path.
Definition at line 57 of file ImagePBO.hpp.
References mPBO.
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Constructor: initializes an image with the specified parameters.
Definition at line 64 of file ImagePBO.hpp.
References mPBO.
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The associated OpenGL Buffer Object.
Definition at line 71 of file ImagePBO.hpp.
References mPBO.
Referenced by vl::DrawPixels::Pixels::deletePixelBufferObject(), vl::DrawPixels::Pixels::generatePixelBufferObject(), vl::DrawPixels::Pixels::hasPixelBufferObject(), and vl::DrawPixels::render_Implementation().
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Definition at line 80 of file ImagePBO.hpp.
Referenced by ImagePBO(), pixelBufferObject(), and setPixelBufferObject().
Visualization Library 2.1.0 Reference Documentation
Updated on Wed Mar 10 2021 16:02:51.
© Copyright Michele Bosi. All rights reserved.