180f3c7461
Add wxIMAGE_QUALITY_BILINEAR in addition to the existing wxIMAGE_QUALITY_BICUBIC, it is supposed to be much faster yet yield almost the same results. Closes #11034. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61791 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
625 lines
24 KiB
C++
625 lines
24 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: wx/image.h
|
|
// Purpose: wxImage class
|
|
// Author: Robert Roebling
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) Robert Roebling
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_IMAGE_H_
|
|
#define _WX_IMAGE_H_
|
|
|
|
#include "wx/defs.h"
|
|
|
|
#if wxUSE_IMAGE
|
|
|
|
#include "wx/object.h"
|
|
#include "wx/string.h"
|
|
#include "wx/gdicmn.h"
|
|
#include "wx/hashmap.h"
|
|
#include "wx/arrstr.h"
|
|
|
|
#if wxUSE_STREAMS
|
|
# include "wx/stream.h"
|
|
#endif
|
|
|
|
// on some systems (Unixware 7.x) index is defined as a macro in the headers
|
|
// which breaks the compilation below
|
|
#undef index
|
|
|
|
#define wxIMAGE_OPTION_QUALITY wxString(wxT("quality"))
|
|
#define wxIMAGE_OPTION_FILENAME wxString(wxT("FileName"))
|
|
|
|
#define wxIMAGE_OPTION_RESOLUTION wxString(wxT("Resolution"))
|
|
#define wxIMAGE_OPTION_RESOLUTIONX wxString(wxT("ResolutionX"))
|
|
#define wxIMAGE_OPTION_RESOLUTIONY wxString(wxT("ResolutionY"))
|
|
|
|
#define wxIMAGE_OPTION_RESOLUTIONUNIT wxString(wxT("ResolutionUnit"))
|
|
|
|
#define wxIMAGE_OPTION_MAX_WIDTH wxString(wxT("MaxWidth"))
|
|
#define wxIMAGE_OPTION_MAX_HEIGHT wxString(wxT("MaxHeight"))
|
|
|
|
// constants used with wxIMAGE_OPTION_RESOLUTIONUNIT
|
|
//
|
|
// NB: don't change these values, they correspond to libjpeg constants
|
|
enum wxImageResolution
|
|
{
|
|
// Resolution not specified
|
|
wxIMAGE_RESOLUTION_NONE = 0,
|
|
|
|
// Resolution specified in inches
|
|
wxIMAGE_RESOLUTION_INCHES = 1,
|
|
|
|
// Resolution specified in centimeters
|
|
wxIMAGE_RESOLUTION_CM = 2
|
|
};
|
|
|
|
// Constants for wxImage::Scale() for determining the level of quality
|
|
enum wxImageResizeQuality
|
|
{
|
|
// different image resizing algorithms used by Scale() and Rescale()
|
|
wxIMAGE_QUALITY_NEAREST = 0,
|
|
wxIMAGE_QUALITY_BILINEAR = 1,
|
|
wxIMAGE_QUALITY_BICUBIC = 2,
|
|
|
|
// default quality is low (but fast)
|
|
wxIMAGE_QUALITY_NORMAL = wxIMAGE_QUALITY_NEAREST,
|
|
|
|
// highest (but best) quality
|
|
wxIMAGE_QUALITY_HIGH = wxIMAGE_QUALITY_BICUBIC
|
|
};
|
|
|
|
// alpha channel values: fully transparent, default threshold separating
|
|
// transparent pixels from opaque for a few functions dealing with alpha and
|
|
// fully opaque
|
|
const unsigned char wxIMAGE_ALPHA_TRANSPARENT = 0;
|
|
const unsigned char wxIMAGE_ALPHA_THRESHOLD = 0x80;
|
|
const unsigned char wxIMAGE_ALPHA_OPAQUE = 0xff;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// classes
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_FWD_CORE wxImageHandler;
|
|
class WXDLLIMPEXP_FWD_CORE wxImage;
|
|
class WXDLLIMPEXP_FWD_CORE wxPalette;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxVariant support
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#if wxUSE_VARIANT
|
|
#include "wx/variant.h"
|
|
DECLARE_VARIANT_OBJECT_EXPORTED(wxImage,WXDLLIMPEXP_CORE)
|
|
#endif
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxImageHandler
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_CORE wxImageHandler: public wxObject
|
|
{
|
|
public:
|
|
wxImageHandler()
|
|
: m_name(wxEmptyString), m_extension(wxEmptyString), m_mime(), m_type(wxBITMAP_TYPE_INVALID)
|
|
{ }
|
|
|
|
#if wxUSE_STREAMS
|
|
// NOTE: LoadFile and SaveFile are not pure virtuals to allow derived classes
|
|
// to implement only one of the two
|
|
virtual bool LoadFile( wxImage *WXUNUSED(image), wxInputStream& WXUNUSED(stream),
|
|
bool WXUNUSED(verbose)=true, int WXUNUSED(index)=-1 )
|
|
{ return false; }
|
|
virtual bool SaveFile( wxImage *WXUNUSED(image), wxOutputStream& WXUNUSED(stream),
|
|
bool WXUNUSED(verbose)=true )
|
|
{ return false; }
|
|
|
|
int GetImageCount( wxInputStream& stream );
|
|
// save the stream position, call DoGetImageCount() and restore the position
|
|
|
|
bool CanRead( wxInputStream& stream ) { return CallDoCanRead(stream); }
|
|
bool CanRead( const wxString& name );
|
|
#endif // wxUSE_STREAMS
|
|
|
|
void SetName(const wxString& name) { m_name = name; }
|
|
void SetExtension(const wxString& ext) { m_extension = ext; }
|
|
void SetAltExtensions(const wxArrayString& exts) { m_altExtensions = exts; }
|
|
void SetType(wxBitmapType type) { m_type = type; }
|
|
void SetMimeType(const wxString& type) { m_mime = type; }
|
|
const wxString& GetName() const { return m_name; }
|
|
const wxString& GetExtension() const { return m_extension; }
|
|
const wxArrayString& GetAltExtensions() const { return m_altExtensions; }
|
|
wxBitmapType GetType() const { return m_type; }
|
|
const wxString& GetMimeType() const { return m_mime; }
|
|
|
|
#if WXWIN_COMPATIBILITY_2_8
|
|
wxDEPRECATED(
|
|
void SetType(long type) { SetType((wxBitmapType)type); }
|
|
)
|
|
#endif // WXWIN_COMPATIBILITY_2_8
|
|
|
|
protected:
|
|
#if wxUSE_STREAMS
|
|
// NOTE: this function is allowed to change the current stream position
|
|
// since GetImageCount() will take care of restoring it later
|
|
virtual int DoGetImageCount( wxInputStream& WXUNUSED(stream) )
|
|
{ return 1; } // default return value is 1 image
|
|
|
|
// NOTE: this function is allowed to change the current stream position
|
|
// since CallDoCanRead() will take care of restoring it later
|
|
virtual bool DoCanRead( wxInputStream& stream ) = 0;
|
|
|
|
// save the stream position, call DoCanRead() and restore the position
|
|
bool CallDoCanRead(wxInputStream& stream);
|
|
#endif // wxUSE_STREAMS
|
|
|
|
// helper for the derived classes SaveFile() implementations: returns the
|
|
// values of x- and y-resolution options specified as the image options if
|
|
// any
|
|
static wxImageResolution
|
|
GetResolutionFromOptions(const wxImage& image, int *x, int *y);
|
|
|
|
|
|
wxString m_name;
|
|
wxString m_extension;
|
|
wxArrayString m_altExtensions;
|
|
wxString m_mime;
|
|
wxBitmapType m_type;
|
|
|
|
private:
|
|
DECLARE_CLASS(wxImageHandler)
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxImageHistogram
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_CORE wxImageHistogramEntry
|
|
{
|
|
public:
|
|
wxImageHistogramEntry() { index = value = 0; }
|
|
unsigned long index;
|
|
unsigned long value;
|
|
};
|
|
|
|
WX_DECLARE_EXPORTED_HASH_MAP(unsigned long, wxImageHistogramEntry,
|
|
wxIntegerHash, wxIntegerEqual,
|
|
wxImageHistogramBase);
|
|
|
|
class WXDLLIMPEXP_CORE wxImageHistogram : public wxImageHistogramBase
|
|
{
|
|
public:
|
|
wxImageHistogram() : wxImageHistogramBase(256) { }
|
|
|
|
// get the key in the histogram for the given RGB values
|
|
static unsigned long MakeKey(unsigned char r,
|
|
unsigned char g,
|
|
unsigned char b)
|
|
{
|
|
return (r << 16) | (g << 8) | b;
|
|
}
|
|
|
|
// find first colour that is not used in the image and has higher
|
|
// RGB values than RGB(startR, startG, startB)
|
|
//
|
|
// returns true and puts this colour in r, g, b (each of which may be NULL)
|
|
// on success or returns false if there are no more free colours
|
|
bool FindFirstUnusedColour(unsigned char *r,
|
|
unsigned char *g,
|
|
unsigned char *b,
|
|
unsigned char startR = 1,
|
|
unsigned char startG = 0,
|
|
unsigned char startB = 0 ) const;
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxImage
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_CORE wxImage: public wxObject
|
|
{
|
|
public:
|
|
// red, green and blue are 8 bit unsigned integers in the range of 0..255
|
|
// We use the identifier RGBValue instead of RGB, since RGB is #defined
|
|
class RGBValue
|
|
{
|
|
public:
|
|
RGBValue(unsigned char r=0, unsigned char g=0, unsigned char b=0)
|
|
: red(r), green(g), blue(b) {}
|
|
unsigned char red;
|
|
unsigned char green;
|
|
unsigned char blue;
|
|
};
|
|
|
|
// hue, saturation and value are doubles in the range 0.0..1.0
|
|
class HSVValue
|
|
{
|
|
public:
|
|
HSVValue(double h=0.0, double s=0.0, double v=0.0)
|
|
: hue(h), saturation(s), value(v) {}
|
|
double hue;
|
|
double saturation;
|
|
double value;
|
|
};
|
|
|
|
wxImage() {}
|
|
wxImage( int width, int height, bool clear = true )
|
|
{ Create( width, height, clear ); }
|
|
wxImage( int width, int height, unsigned char* data, bool static_data = false )
|
|
{ Create( width, height, data, static_data ); }
|
|
wxImage( int width, int height, unsigned char* data, unsigned char* alpha, bool static_data = false )
|
|
{ Create( width, height, data, alpha, static_data ); }
|
|
|
|
// ctor variants using wxSize:
|
|
wxImage( const wxSize& sz, bool clear = true )
|
|
{ Create( sz, clear ); }
|
|
wxImage( const wxSize& sz, unsigned char* data, bool static_data = false )
|
|
{ Create( sz, data, static_data ); }
|
|
wxImage( const wxSize& sz, unsigned char* data, unsigned char* alpha, bool static_data = false )
|
|
{ Create( sz, data, alpha, static_data ); }
|
|
|
|
wxImage( const wxString& name, wxBitmapType type = wxBITMAP_TYPE_ANY, int index = -1 )
|
|
{ LoadFile( name, type, index ); }
|
|
wxImage( const wxString& name, const wxString& mimetype, int index = -1 )
|
|
{ LoadFile( name, mimetype, index ); }
|
|
wxImage( const char* const* xpmData )
|
|
{ Create(xpmData); }
|
|
|
|
#if wxUSE_STREAMS
|
|
wxImage( wxInputStream& stream, wxBitmapType type = wxBITMAP_TYPE_ANY, int index = -1 )
|
|
{ LoadFile( stream, type, index ); }
|
|
wxImage( wxInputStream& stream, const wxString& mimetype, int index = -1 )
|
|
{ LoadFile( stream, mimetype, index ); }
|
|
#endif // wxUSE_STREAMS
|
|
|
|
bool Create( const char* const* xpmData );
|
|
#ifdef __BORLANDC__
|
|
// needed for Borland 5.5
|
|
wxImage( char** xpmData ) { Create(const_cast<const char* const*>(xpmData)); }
|
|
bool Create( char** xpmData ) { return Create(const_cast<const char* const*>(xpmData)); }
|
|
#endif
|
|
|
|
bool Create( int width, int height, bool clear = true );
|
|
bool Create( int width, int height, unsigned char* data, bool static_data = false );
|
|
bool Create( int width, int height, unsigned char* data, unsigned char* alpha, bool static_data = false );
|
|
|
|
// Create() variants using wxSize:
|
|
bool Create( const wxSize& sz, bool clear = true )
|
|
{ return Create(sz.GetWidth(), sz.GetHeight(), clear); }
|
|
bool Create( const wxSize& sz, unsigned char* data, bool static_data = false )
|
|
{ return Create(sz.GetWidth(), sz.GetHeight(), data, static_data); }
|
|
bool Create( const wxSize& sz, unsigned char* data, unsigned char* alpha, bool static_data = false )
|
|
{ return Create(sz.GetWidth(), sz.GetHeight(), data, alpha, static_data); }
|
|
|
|
void Destroy();
|
|
|
|
// initialize the image data with zeroes
|
|
void Clear(unsigned char value = 0);
|
|
|
|
// creates an identical copy of the image (the = operator
|
|
// just raises the ref count)
|
|
wxImage Copy() const;
|
|
|
|
// return the new image with size width*height
|
|
wxImage GetSubImage( const wxRect& rect) const;
|
|
|
|
// Paste the image or part of this image into an image of the given size at the pos
|
|
// any newly exposed areas will be filled with the rgb colour
|
|
// by default if r = g = b = -1 then fill with this image's mask colour or find and
|
|
// set a suitable mask colour
|
|
wxImage Size( const wxSize& size, const wxPoint& pos,
|
|
int r = -1, int g = -1, int b = -1 ) const;
|
|
|
|
// pastes image into this instance and takes care of
|
|
// the mask colour and out of bounds problems
|
|
void Paste( const wxImage &image, int x, int y );
|
|
|
|
// return the new image with size width*height
|
|
wxImage Scale( int width, int height,
|
|
wxImageResizeQuality quality = wxIMAGE_QUALITY_NORMAL ) const;
|
|
|
|
// box averager and bicubic filters for up/down sampling
|
|
wxImage ResampleNearest(int width, int height) const;
|
|
wxImage ResampleBox(int width, int height) const;
|
|
wxImage ResampleBilinear(int width, int height) const;
|
|
wxImage ResampleBicubic(int width, int height) const;
|
|
|
|
// blur the image according to the specified pixel radius
|
|
wxImage Blur(int radius) const;
|
|
wxImage BlurHorizontal(int radius) const;
|
|
wxImage BlurVertical(int radius) const;
|
|
|
|
wxImage ShrinkBy( int xFactor , int yFactor ) const ;
|
|
|
|
// rescales the image in place
|
|
wxImage& Rescale( int width, int height,
|
|
wxImageResizeQuality quality = wxIMAGE_QUALITY_NORMAL )
|
|
{ return *this = Scale(width, height, quality); }
|
|
|
|
// resizes the image in place
|
|
wxImage& Resize( const wxSize& size, const wxPoint& pos,
|
|
int r = -1, int g = -1, int b = -1 ) { return *this = Size(size, pos, r, g, b); }
|
|
|
|
// Rotates the image about the given point, 'angle' radians.
|
|
// Returns the rotated image, leaving this image intact.
|
|
wxImage Rotate(double angle, const wxPoint & centre_of_rotation,
|
|
bool interpolating = true, wxPoint * offset_after_rotation = NULL) const;
|
|
|
|
wxImage Rotate90( bool clockwise = true ) const;
|
|
wxImage Mirror( bool horizontally = true ) const;
|
|
|
|
// replace one colour with another
|
|
void Replace( unsigned char r1, unsigned char g1, unsigned char b1,
|
|
unsigned char r2, unsigned char g2, unsigned char b2 );
|
|
|
|
// Convert to greyscale image. Uses the luminance component (Y) of the image.
|
|
// The luma value (YUV) is calculated using (R * lr) + (G * lg) + (B * lb), defaults to ITU-T BT.601
|
|
wxImage ConvertToGreyscale( double lr = 0.299, double lg = 0.587, double lb = 0.114 ) const;
|
|
|
|
// convert to monochrome image (<r,g,b> will be replaced by white,
|
|
// everything else by black)
|
|
wxImage ConvertToMono( unsigned char r, unsigned char g, unsigned char b ) const;
|
|
|
|
// these routines are slow but safe
|
|
void SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b );
|
|
void SetRGB( const wxRect& rect, unsigned char r, unsigned char g, unsigned char b );
|
|
unsigned char GetRed( int x, int y ) const;
|
|
unsigned char GetGreen( int x, int y ) const;
|
|
unsigned char GetBlue( int x, int y ) const;
|
|
|
|
void SetAlpha(int x, int y, unsigned char alpha);
|
|
unsigned char GetAlpha(int x, int y) const;
|
|
|
|
// find first colour that is not used in the image and has higher
|
|
// RGB values than <startR,startG,startB>
|
|
bool FindFirstUnusedColour( unsigned char *r, unsigned char *g, unsigned char *b,
|
|
unsigned char startR = 1, unsigned char startG = 0,
|
|
unsigned char startB = 0 ) const;
|
|
// Set image's mask to the area of 'mask' that has <r,g,b> colour
|
|
bool SetMaskFromImage(const wxImage & mask,
|
|
unsigned char mr, unsigned char mg, unsigned char mb);
|
|
|
|
// converts image's alpha channel to mask (choosing mask colour
|
|
// automatically or using the specified colour for the mask), if it has
|
|
// any, does nothing otherwise:
|
|
bool ConvertAlphaToMask(unsigned char threshold = wxIMAGE_ALPHA_THRESHOLD);
|
|
void ConvertAlphaToMask(unsigned char mr, unsigned char mg, unsigned char mb,
|
|
unsigned char threshold = wxIMAGE_ALPHA_THRESHOLD);
|
|
|
|
|
|
// This method converts an image where the original alpha
|
|
// information is only available as a shades of a colour
|
|
// (actually shades of grey) typically when you draw anti-
|
|
// aliased text into a bitmap. The DC drawinf routines
|
|
// draw grey values on the black background although they
|
|
// actually mean to draw white with differnt alpha values.
|
|
// This method reverses it, assuming a black (!) background
|
|
// and white text (actually only the red channel is read).
|
|
// The method will then fill up the whole image with the
|
|
// colour given.
|
|
bool ConvertColourToAlpha( unsigned char r, unsigned char g, unsigned char b );
|
|
|
|
static bool CanRead( const wxString& name );
|
|
static int GetImageCount( const wxString& name, wxBitmapType type = wxBITMAP_TYPE_ANY );
|
|
virtual bool LoadFile( const wxString& name, wxBitmapType type = wxBITMAP_TYPE_ANY, int index = -1 );
|
|
virtual bool LoadFile( const wxString& name, const wxString& mimetype, int index = -1 );
|
|
|
|
#if wxUSE_STREAMS
|
|
static bool CanRead( wxInputStream& stream );
|
|
static int GetImageCount( wxInputStream& stream, wxBitmapType type = wxBITMAP_TYPE_ANY );
|
|
virtual bool LoadFile( wxInputStream& stream, wxBitmapType type = wxBITMAP_TYPE_ANY, int index = -1 );
|
|
virtual bool LoadFile( wxInputStream& stream, const wxString& mimetype, int index = -1 );
|
|
#endif
|
|
|
|
virtual bool SaveFile( const wxString& name ) const;
|
|
virtual bool SaveFile( const wxString& name, wxBitmapType type ) const;
|
|
virtual bool SaveFile( const wxString& name, const wxString& mimetype ) const;
|
|
|
|
#if wxUSE_STREAMS
|
|
virtual bool SaveFile( wxOutputStream& stream, wxBitmapType type ) const;
|
|
virtual bool SaveFile( wxOutputStream& stream, const wxString& mimetype ) const;
|
|
#endif
|
|
|
|
bool Ok() const { return IsOk(); }
|
|
bool IsOk() const;
|
|
int GetWidth() const;
|
|
int GetHeight() const;
|
|
|
|
wxSize GetSize() const
|
|
{ return wxSize(GetWidth(), GetHeight()); }
|
|
|
|
// Gets the type of image found by LoadFile or specified with SaveFile
|
|
wxBitmapType GetType() const;
|
|
|
|
// Set the image type, this is normally only called if the image is being
|
|
// created from data in the given format but not using LoadFile() (e.g.
|
|
// wxGIFDecoder uses this)
|
|
void SetType(wxBitmapType type);
|
|
|
|
// these functions provide fastest access to wxImage data but should be
|
|
// used carefully as no checks are done
|
|
unsigned char *GetData() const;
|
|
void SetData( unsigned char *data, bool static_data=false );
|
|
void SetData( unsigned char *data, int new_width, int new_height, bool static_data=false );
|
|
|
|
unsigned char *GetAlpha() const; // may return NULL!
|
|
bool HasAlpha() const { return GetAlpha() != NULL; }
|
|
void SetAlpha(unsigned char *alpha = NULL, bool static_data=false);
|
|
void InitAlpha();
|
|
|
|
// return true if this pixel is masked or has alpha less than specified
|
|
// threshold
|
|
bool IsTransparent(int x, int y,
|
|
unsigned char threshold = wxIMAGE_ALPHA_THRESHOLD) const;
|
|
|
|
// Mask functions
|
|
void SetMaskColour( unsigned char r, unsigned char g, unsigned char b );
|
|
// Get the current mask colour or find a suitable colour
|
|
// returns true if using current mask colour
|
|
bool GetOrFindMaskColour( unsigned char *r, unsigned char *g, unsigned char *b ) const;
|
|
unsigned char GetMaskRed() const;
|
|
unsigned char GetMaskGreen() const;
|
|
unsigned char GetMaskBlue() const;
|
|
void SetMask( bool mask = true );
|
|
bool HasMask() const;
|
|
|
|
#if wxUSE_PALETTE
|
|
// Palette functions
|
|
bool HasPalette() const;
|
|
const wxPalette& GetPalette() const;
|
|
void SetPalette(const wxPalette& palette);
|
|
#endif // wxUSE_PALETTE
|
|
|
|
// Option functions (arbitrary name/value mapping)
|
|
void SetOption(const wxString& name, const wxString& value);
|
|
void SetOption(const wxString& name, int value);
|
|
wxString GetOption(const wxString& name) const;
|
|
int GetOptionInt(const wxString& name) const;
|
|
bool HasOption(const wxString& name) const;
|
|
|
|
unsigned long CountColours( unsigned long stopafter = (unsigned long) -1 ) const;
|
|
|
|
// Computes the histogram of the image and fills a hash table, indexed
|
|
// with integer keys built as 0xRRGGBB, containing wxImageHistogramEntry
|
|
// objects. Each of them contains an 'index' (useful to build a palette
|
|
// with the image colours) and a 'value', which is the number of pixels
|
|
// in the image with that colour.
|
|
// Returned value: # of entries in the histogram
|
|
unsigned long ComputeHistogram( wxImageHistogram &h ) const;
|
|
|
|
// Rotates the hue of each pixel of the image. angle is a double in the range
|
|
// -1.0..1.0 where -1.0 is -360 degrees and 1.0 is 360 degrees
|
|
void RotateHue(double angle);
|
|
|
|
static wxList& GetHandlers() { return sm_handlers; }
|
|
static void AddHandler( wxImageHandler *handler );
|
|
static void InsertHandler( wxImageHandler *handler );
|
|
static bool RemoveHandler( const wxString& name );
|
|
static wxImageHandler *FindHandler( const wxString& name );
|
|
static wxImageHandler *FindHandler( const wxString& extension, wxBitmapType imageType );
|
|
static wxImageHandler *FindHandler( wxBitmapType imageType );
|
|
|
|
static wxImageHandler *FindHandlerMime( const wxString& mimetype );
|
|
|
|
static wxString GetImageExtWildcard();
|
|
|
|
static void CleanUpHandlers();
|
|
static void InitStandardHandlers();
|
|
|
|
static HSVValue RGBtoHSV(const RGBValue& rgb);
|
|
static RGBValue HSVtoRGB(const HSVValue& hsv);
|
|
|
|
#if WXWIN_COMPATIBILITY_2_8
|
|
wxDEPRECATED_CONSTRUCTOR(
|
|
wxImage(const wxString& name, long type, int index = -1)
|
|
{
|
|
LoadFile(name, (wxBitmapType)type, index);
|
|
}
|
|
)
|
|
|
|
#if wxUSE_STREAMS
|
|
wxDEPRECATED_CONSTRUCTOR(
|
|
wxImage(wxInputStream& stream, long type, int index = -1)
|
|
{
|
|
LoadFile(stream, (wxBitmapType)type, index);
|
|
}
|
|
)
|
|
|
|
wxDEPRECATED(
|
|
bool LoadFile(wxInputStream& stream, long type, int index = -1)
|
|
{
|
|
return LoadFile(stream, (wxBitmapType)type, index);
|
|
}
|
|
)
|
|
|
|
wxDEPRECATED(
|
|
bool SaveFile(wxOutputStream& stream, long type) const
|
|
{
|
|
return SaveFile(stream, (wxBitmapType)type);
|
|
}
|
|
)
|
|
#endif // wxUSE_STREAMS
|
|
|
|
wxDEPRECATED(
|
|
bool LoadFile(const wxString& name, long type, int index = -1)
|
|
{
|
|
return LoadFile(name, (wxBitmapType)type, index);
|
|
}
|
|
)
|
|
|
|
wxDEPRECATED(
|
|
bool SaveFile(const wxString& name, long type) const
|
|
{
|
|
return SaveFile(name, (wxBitmapType)type);
|
|
}
|
|
)
|
|
|
|
wxDEPRECATED(
|
|
static wxImageHandler *FindHandler(const wxString& ext, long type)
|
|
{
|
|
return FindHandler(ext, (wxBitmapType)type);
|
|
}
|
|
)
|
|
|
|
wxDEPRECATED(
|
|
static wxImageHandler *FindHandler(long imageType)
|
|
{
|
|
return FindHandler((wxBitmapType)imageType);
|
|
}
|
|
)
|
|
#endif // WXWIN_COMPATIBILITY_2_8
|
|
|
|
protected:
|
|
static wxList sm_handlers;
|
|
|
|
// return the index of the point with the given coordinates or -1 if the
|
|
// image is invalid of the coordinates are out of range
|
|
//
|
|
// note that index must be multiplied by 3 when using it with RGB array
|
|
long XYToIndex(int x, int y) const;
|
|
|
|
virtual wxObjectRefData* CreateRefData() const;
|
|
virtual wxObjectRefData* CloneRefData(const wxObjectRefData* data) const;
|
|
|
|
private:
|
|
friend class WXDLLIMPEXP_FWD_CORE wxImageHandler;
|
|
|
|
#if wxUSE_STREAMS
|
|
// read the image from the specified stream updating image type if
|
|
// successful
|
|
bool DoLoad(wxImageHandler& handler, wxInputStream& stream, int index);
|
|
|
|
// write the image to the specified stream and also update the image type
|
|
// if successful
|
|
bool DoSave(wxImageHandler& handler, wxOutputStream& stream) const;
|
|
#endif // wxUSE_STREAMS
|
|
|
|
DECLARE_DYNAMIC_CLASS(wxImage)
|
|
};
|
|
|
|
|
|
extern void WXDLLIMPEXP_CORE wxInitAllImageHandlers();
|
|
|
|
extern WXDLLIMPEXP_DATA_CORE(wxImage) wxNullImage;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxImage handlers
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#include "wx/imagbmp.h"
|
|
#include "wx/imagpng.h"
|
|
#include "wx/imaggif.h"
|
|
#include "wx/imagpcx.h"
|
|
#include "wx/imagjpeg.h"
|
|
#include "wx/imagtga.h"
|
|
#include "wx/imagtiff.h"
|
|
#include "wx/imagpnm.h"
|
|
#include "wx/imagxpm.h"
|
|
#include "wx/imagiff.h"
|
|
|
|
#endif // wxUSE_IMAGE
|
|
|
|
#endif
|
|
// _WX_IMAGE_H_
|