"Find first colour that is not used in the image and has higher RGB
values than startR, startG, startB. Returns a tuple consisting of a
success flag and rgb values.", "");
+
+ %extend {
+ DocStr(GetCount,
+ "Returns the pixel count for the given key. Use `MakeKey` to create a
+key value from a RGB tripple.", "");
+ unsigned long GetCount(unsigned long key) {
+ wxImageHistogramEntry e = (*self)[key];
+ return e.value;
+ }
+
+ DocStr(GetCountRGB,
+ "Returns the pixel count for the given RGB values.", "");
+ unsigned long GetCountRGB(unsigned char r,
+ unsigned char g,
+ unsigned char b) {
+ unsigned long key = wxImageHistogram::MakeKey(r, g, b);
+ wxImageHistogramEntry e = (*self)[key];
+ return e.value;
+ }
+
+ DocStr(GetCountColour,
+ "Returns the pixel count for the given `wx.Colour` value.", "");
+ unsigned long GetCountColour(const wxColour& colour) {
+ unsigned long key = wxImageHistogram::MakeKey(colour.Red(),
+ colour.Green(),
+ colour.Blue());
+ wxImageHistogramEntry e = (*self)[key];
+ return e.value;
+ }
+ }
+
};
//---------------------------------------------------------------------------
+%{
+ typedef unsigned char* buffer;
+%}
+
+%typemap(in) (buffer data, int DATASIZE)
+ { if (!PyArg_Parse($input, "t#", &$1, &$2)) SWIG_fail; }
+
+%typemap(in) (buffer alpha, int ALPHASIZE)
+ { if (!PyArg_Parse($input, "t#", &$1, &$2)) SWIG_fail; }
+
+//---------------------------------------------------------------------------
+
class wxImage : public wxObject {
public:
- wxImage( const wxString& name, long type = wxBITMAP_TYPE_ANY, int index = -1 );
+ DocCtorStr(
+ wxImage( const wxString& name, long type = wxBITMAP_TYPE_ANY, int index = -1 ),
+ "", "");
+
~wxImage();
// Alternate constructors
- %name(ImageFromMime) wxImage(const wxString& name, const wxString& mimetype, int index = -1);
- %name(ImageFromStream) wxImage(wxInputStream& stream, long type = wxBITMAP_TYPE_ANY, int index = -1);
- %name(ImageFromStreamMime) wxImage(wxInputStream& stream, const wxString& mimetype, int index = -1 );
+ DocCtorStrName(
+ wxImage(const wxString& name, const wxString& mimetype, int index = -1),
+ "", "",
+ ImageFromMime);
+
+ DocCtorStrName(
+ wxImage(wxInputStream& stream, long type = wxBITMAP_TYPE_ANY, int index = -1),
+ "", "",
+ ImageFromStream);
+
+ DocCtorStrName(
+ wxImage(wxInputStream& stream, const wxString& mimetype, int index = -1 ),
+ "", "",
+ ImageFromStreamMime);
+
%extend {
- %name(EmptyImage) wxImage(int width=0, int height=0, bool clear = True) {
- if (width > 0 && height > 0)
- return new wxImage(width, height, clear);
- else
- return new wxImage;
- }
-
- %name(ImageFromBitmap) wxImage(const wxBitmap &bitmap) {
- return new wxImage(bitmap.ConvertToImage());
- }
-
- %name(ImageFromData) wxImage(int width, int height, unsigned char* data) {
- // Copy the source data so the wxImage can clean it up later
- unsigned char* copy = (unsigned char*)malloc(width*height*3);
- if (copy == NULL) {
- PyErr_NoMemory();
- return NULL;
+ %RenameDocCtor(
+ EmptyImage,
+ "Construct an empty image of a given size, optionally setting all
+pixels to black.", "",
+ wxImage(int width=0, int height=0, bool clear = true))
+ {
+ if (width > 0 && height > 0)
+ return new wxImage(width, height, clear);
+ else
+ return new wxImage;
+ }
+
+
+ MustHaveApp(wxImage(const wxBitmap &bitmap));
+
+ %RenameDocCtor(
+ ImageFromBitmap,
+ "Construct an Image from a `wx.Bitmap`.", "",
+ wxImage(const wxBitmap &bitmap))
+ {
+ return new wxImage(bitmap.ConvertToImage());
+ }
+
+ %RenameDocCtor(
+ ImageFromData,
+ "Construct an Image from a buffer of RGB bytes. Accepts either a
+string or a buffer object holding the data and the length of the data
+must be width*height*3.", "",
+ wxImage(int width, int height, buffer data, int DATASIZE))
+ {
+ if (DATASIZE != width*height*3) {
+ wxPyErr_SetString(PyExc_ValueError, "Invalid data buffer size.");
+ return NULL;
+ }
+
+ // Copy the source data so the wxImage can clean it up later
+ buffer copy = (buffer)malloc(DATASIZE);
+ if (copy == NULL) {
+ wxPyBLOCK_THREADS(PyErr_NoMemory());
+ return NULL;
+ }
+ memcpy(copy, data, DATASIZE);
+ return new wxImage(width, height, copy, false);
+ }
+
+
+ %RenameDocCtor(
+ ImageFromDataWithAlpha,
+ "Construct an Image from a buffer of RGB bytes with an Alpha channel.
+Accepts either a string or a buffer object holding the data and the
+length of the data must be width*height*3.", "",
+ wxImage(int width, int height, buffer data, int DATASIZE, buffer alpha, int ALPHASIZE))
+ {
+ if (DATASIZE != width*height*3) {
+ wxPyErr_SetString(PyExc_ValueError, "Invalid data buffer size.");
+ return NULL;
+ }
+ if (ALPHASIZE != width*height) {
+ wxPyErr_SetString(PyExc_ValueError, "Invalid alpha buffer size.");
+ return NULL;
+ }
+
+ // Copy the source data so the wxImage can clean it up later
+ buffer dcopy = (buffer)malloc(DATASIZE);
+ if (dcopy == NULL) {
+ wxPyBLOCK_THREADS(PyErr_NoMemory());
+ return NULL;
+ }
+ memcpy(dcopy, data, DATASIZE);
+
+ buffer acopy = (buffer)malloc(ALPHASIZE);
+ if (acopy == NULL) {
+ wxPyBLOCK_THREADS(PyErr_NoMemory());
+ return NULL;
+ }
+ memcpy(acopy, alpha, ALPHASIZE);
+
+ return new wxImage(width, height, dcopy, acopy, false);
}
- memcpy(copy, data, width*height*3);
- return new wxImage(width, height, copy, False);
- }
}
-
+
+ // TODO: wxImage( char** xpmData );
+
+
void Create( int width, int height );
void Destroy();
wxImage ShrinkBy( int xFactor , int yFactor ) const ;
wxImage& Rescale(int width, int height);
+ // resizes the image in place
+ wxImage& Resize( const wxSize& size, const wxPoint& pos,
+ int r = -1, int g = -1, int b = -1 );
+
void SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b );
+
+ %Rename(SetRGBRect,
+ void, SetRGB( const wxRect& rect,
+ unsigned char r, unsigned char g, unsigned char b ));
+
unsigned char GetRed( int x, int y );
unsigned char GetGreen( int x, int y );
unsigned char GetBlue( int x, int y );
unsigned char GetAlpha(int x, int y);
bool HasAlpha();
+ DocDeclStr(
+ void , InitAlpha(),
+ "Initializes the image alpha channel data. It is an error to call it if
+the image already has alpha data. If it doesn't, alpha data will be by
+default initialized to all pixels being fully opaque. But if the image
+has a a mask colour, all mask pixels will be completely transparent.", "");
+
+
// find first colour that is not used in the image and has higher
// RGB values than <startR,startG,startB>
DocDeclAStr(
values than startR, startG, startB. Returns a tuple consisting of a
success flag and rgb values.", "");
+
+ DocDeclStr(
+ bool , ConvertAlphaToMask(byte threshold = 128),
+ "If the image has alpha channel, this method converts it to mask. All pixels
+with alpha value less than ``threshold`` are replaced with mask colour and the
+alpha channel is removed. Mask colour is chosen automatically using
+`FindFirstUnusedColour`.
+
+If the image image doesn't have alpha channel, ConvertAlphaToMask does
+nothing.", "");
+
+
+ DocDeclStr(
+ bool , ConvertColourToAlpha( unsigned char r, unsigned char g, unsigned char b ),
+ "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
+drawing 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.
+The method will then fill up the whole image with the colour given.", "");
+
+
// Set image's mask to the area of 'mask' that has <mr,mg,mb> colour
bool SetMaskFromImage(const wxImage & mask,
byte mr, byte mg, byte mb);
static int GetImageCount( const wxString& name, long type = wxBITMAP_TYPE_ANY );
bool LoadFile( const wxString& name, long type = wxBITMAP_TYPE_ANY, int index = -1 );
- %name(LoadMimeFile)bool LoadFile( const wxString& name, const wxString& mimetype, int index = -1 );
+ %Rename(LoadMimeFile, bool, LoadFile( const wxString& name, const wxString& mimetype, int index = -1 ));
bool SaveFile( const wxString& name, int type );
- %name(SaveMimeFile)bool SaveFile( const wxString& name, const wxString& mimetype );
+ %Rename(SaveMimeFile, bool, SaveFile( const wxString& name, const wxString& mimetype ));
- %name(CanReadStream) static bool CanRead( wxInputStream& stream );
- %name(LoadStream) bool LoadFile( wxInputStream& stream, long type = wxBITMAP_TYPE_ANY, int index = -1 );
- %name(LoadMimeStream) bool LoadFile( wxInputStream& stream, const wxString& mimetype, int index = -1 );
+ %Rename(CanReadStream, static bool, CanRead( wxInputStream& stream ));
+ %Rename(LoadStream, bool, LoadFile( wxInputStream& stream, long type = wxBITMAP_TYPE_ANY, int index = -1 ));
+ %Rename(LoadMimeStream, bool, LoadFile( wxInputStream& stream, const wxString& mimetype, int index = -1 ));
bool Ok();
int GetWidth();
}
wxImage GetSubImage(const wxRect& rect);
+
+ // 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;
+
wxImage Copy();
void Paste( const wxImage &image, int x, int y );
//void SetData( unsigned char *data );
%extend {
- PyObject* GetData() {
- unsigned char* data = self->GetData();
+ DocStr(GetData,
+ "Returns a string containing a copy of the RGB bytes of the image.", "");
+ PyObject* GetData()
+ {
+ buffer data = self->GetData();
int len = self->GetWidth() * self->GetHeight() * 3;
PyObject* rv;
wxPyBLOCK_THREADS( rv = PyString_FromStringAndSize((char*)data, len));
return rv;
}
- void SetData(PyObject* data) {
- unsigned char* dataPtr;
-
- if (! PyString_Check(data)) {
- PyErr_SetString(PyExc_TypeError, "Expected string object");
- return /* NULL */ ;
- }
-
- size_t len = self->GetWidth() * self->GetHeight() * 3;
- dataPtr = (unsigned char*) malloc(len);
- wxPyBLOCK_THREADS( memcpy(dataPtr, PyString_AsString(data), len) );
- self->SetData(dataPtr);
- // wxImage takes ownership of dataPtr...
+ DocStr(SetData,
+ "Resets the Image's RGB data from a buffer of RGB bytes. Accepts
+either a string or a buffer object holding the data and the length of
+the data must be width*height*3.", "");
+ void SetData(buffer data, int DATASIZE)
+ {
+ if (DATASIZE != self->GetWidth() * self->GetHeight() * 3) {
+ wxPyErr_SetString(PyExc_ValueError, "Invalid data buffer size.");
+ return;
+ }
+ buffer copy = (buffer)malloc(DATASIZE);
+ if (copy == NULL) {
+ wxPyBLOCK_THREADS(PyErr_NoMemory());
+ return;
+ }
+ memcpy(copy, data, DATASIZE);
+ self->SetData(copy, false);
+ // wxImage takes ownership of copy...
}
-
- PyObject* GetDataBuffer() {
- unsigned char* data = self->GetData();
+ DocStr(GetDataBuffer,
+ "Returns a writable Python buffer object that is pointing at the RGB
+image data buffer inside the wx.Image.", "");
+ PyObject* GetDataBuffer()
+ {
+ buffer data = self->GetData();
int len = self->GetWidth() * self->GetHeight() * 3;
PyObject* rv;
wxPyBLOCK_THREADS( rv = PyBuffer_FromReadWriteMemory(data, len) );
return rv;
}
- void SetDataBuffer(PyObject* data) {
- unsigned char* buffer;
- int size;
- bool blocked = wxPyBeginBlockThreads();
- if (!PyArg_Parse(data, "t#", &buffer, &size))
- goto done;
-
- if (size != self->GetWidth() * self->GetHeight() * 3) {
- PyErr_SetString(PyExc_TypeError, "Incorrect buffer size");
- goto done;
+ DocStr(SetDataBuffer,
+ "Sets the internal image data pointer to point at a Python buffer
+object. This can save a copy of the data but you must ensure that the
+buffer object lives longer than the wx.Image does.", "");
+ void SetDataBuffer(buffer data, int DATASIZE)
+ {
+ if (DATASIZE != self->GetWidth() * self->GetHeight() * 3) {
+ wxPyErr_SetString(PyExc_ValueError, "Invalid data buffer size.");
+ return;
}
- self->SetData(buffer);
- done:
- wxPyEndBlockThreads(blocked);
+ self->SetData(data, true);
}
+ DocStr(GetAlphaData,
+ "Returns a string containing a copy of the alpha bytes of the image.", "");
PyObject* GetAlphaData() {
- unsigned char* data = self->GetAlpha();
+ buffer data = self->GetAlpha();
if (! data) {
RETURN_NONE();
} else {
return rv;
}
}
- void SetAlphaData(PyObject* data) {
- unsigned char* dataPtr;
- if (! PyString_Check(data)) {
- PyErr_SetString(PyExc_TypeError, "Expected string object");
- return /* NULL */ ;
+ DocStr(SetAlphaData,
+ "Resets the Image's alpha data from a buffer of bytes. Accepts either
+a string or a buffer object holding the data and the length of the
+data must be width*height.", "");
+ void SetAlphaData(buffer alpha, int ALPHASIZE)
+ {
+ if (ALPHASIZE != self->GetWidth() * self->GetHeight()) {
+ wxPyErr_SetString(PyExc_ValueError, "Invalid alpha buffer size.");
+ return;
}
-
- size_t len = self->GetWidth() * self->GetHeight();
- dataPtr = (unsigned char*) malloc(len);
- wxPyBLOCK_THREADS( memcpy(dataPtr, PyString_AsString(data), len) );
- self->SetAlpha(dataPtr);
- // wxImage takes ownership of dataPtr...
+ buffer acopy = (buffer)malloc(ALPHASIZE);
+ if (acopy == NULL) {
+ wxPyBLOCK_THREADS(PyErr_NoMemory());
+ return;
+ }
+ memcpy(acopy, alpha, ALPHASIZE);
+ self->SetAlpha(acopy, false);
+ // wxImage takes ownership of acopy...
}
-
- PyObject* GetAlphaBuffer() {
- unsigned char* data = self->GetAlpha();
+
+ DocStr(GetDataBuffer,
+ "Returns a writable Python buffer object that is pointing at the Alpha
+data buffer inside the wx.Image.", "");
+ PyObject* GetAlphaBuffer()
+ {
+ buffer data = self->GetAlpha();
int len = self->GetWidth() * self->GetHeight();
PyObject* rv;
wxPyBLOCK_THREADS( rv = PyBuffer_FromReadWriteMemory(data, len) );
return rv;
}
- void SetAlphaBuffer(PyObject* data) {
- unsigned char* buffer;
- int size;
-
- bool blocked = wxPyBeginBlockThreads();
- if (!PyArg_Parse(data, "t#", &buffer, &size))
- goto done;
- if (size != self->GetWidth() * self->GetHeight()) {
- PyErr_SetString(PyExc_TypeError, "Incorrect buffer size");
- goto done;
+
+ DocStr(SetDataBuffer,
+ "Sets the internal image alpha pointer to point at a Python buffer
+object. This can save a copy of the data but you must ensure that the
+buffer object lives longer than the wx.Image does.", "");
+ void SetAlphaBuffer(buffer alpha, int ALPHASIZE)
+ {
+ if (ALPHASIZE != self->GetWidth() * self->GetHeight()) {
+ wxPyErr_SetString(PyExc_ValueError, "Invalid alpha buffer size.");
+ return;
}
- self->SetAlpha(buffer);
- done:
- wxPyEndBlockThreads(blocked);
+ self->SetAlpha(alpha, true);
}
}
void SetMaskColour( unsigned char r, unsigned char g, unsigned char b );
+
+ DocDeclAStr(
+ /*bool*/ void , GetOrFindMaskColour( unsigned char *OUTPUT,
+ unsigned char *OUTPUT,
+ unsigned char *OUTPUT ) const,
+ "GetOrFindMaskColour() -> (r,g,b)",
+ "Get the current mask colour or find a suitable colour.", "");
+
+
unsigned char GetMaskRed();
unsigned char GetMaskGreen();
unsigned char GetMaskBlue();
- void SetMask( bool mask = True );
+ void SetMask( bool mask = true );
bool HasMask();
wxImage Rotate(double angle, const wxPoint & centre_of_rotation,
- bool interpolating = True, wxPoint * offset_after_rotation = NULL) const ;
- wxImage Rotate90( bool clockwise = True ) ;
- wxImage Mirror( bool horizontally = True ) ;
+ bool interpolating = true, wxPoint * offset_after_rotation = NULL) const ;
+ wxImage Rotate90( bool clockwise = true ) ;
+ wxImage Mirror( bool horizontally = true ) ;
void Replace( unsigned char r1, unsigned char g1, unsigned char b1,
unsigned char r2, unsigned char g2, unsigned char b2 );
wxImage ConvertToMono( unsigned char r, unsigned char g, unsigned char b ) const;
void SetOption(const wxString& name, const wxString& value);
- %name(SetOptionInt)void SetOption(const wxString& name, int value);
+ %Rename(SetOptionInt, 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;
static wxString GetImageExtWildcard();
+MustHaveApp(ConvertToBitmap);
+MustHaveApp(ConvertToMonoBitmap);
+
%extend {
- wxBitmap ConvertToBitmap() {
- wxBitmap bitmap(*self);
+ wxBitmap ConvertToBitmap(int depth=-1) {
+ wxBitmap bitmap(*self, depth);
return bitmap;
}
//---------------------------------------------------------------------------
-
+MAKE_CONST_WXSTRING(IMAGE_OPTION_FILENAME);
MAKE_CONST_WXSTRING(IMAGE_OPTION_BMP_FORMAT);
MAKE_CONST_WXSTRING(IMAGE_OPTION_CUR_HOTSPOT_X);
MAKE_CONST_WXSTRING(IMAGE_OPTION_CUR_HOTSPOT_Y);
MAKE_CONST_WXSTRING(IMAGE_OPTION_RESOLUTION);
-MAKE_CONST_WXSTRING(IMAGE_OPTION_RESOLUTIONUNIT);
+MAKE_CONST_WXSTRING(IMAGE_OPTION_RESOLUTIONX);
+MAKE_CONST_WXSTRING(IMAGE_OPTION_RESOLUTIONY);
+MAKE_CONST_WXSTRING(IMAGE_OPTION_RESOLUTIONUNIT);
+MAKE_CONST_WXSTRING(IMAGE_OPTION_QUALITY);
enum
{
};
+MAKE_CONST_WXSTRING(IMAGE_OPTION_BITSPERSAMPLE);
+MAKE_CONST_WXSTRING(IMAGE_OPTION_SAMPLESPERPIXEL);
+MAKE_CONST_WXSTRING(IMAGE_OPTION_COMPRESSION);
+MAKE_CONST_WXSTRING(IMAGE_OPTION_IMAGEDESCRIPTOR);
+
+MAKE_CONST_WXSTRING(IMAGE_OPTION_PNG_FORMAT);
+MAKE_CONST_WXSTRING(IMAGE_OPTION_PNG_BITDEPTH);
+
+enum
+{
+ wxPNG_TYPE_COLOUR = 0,
+ wxPNG_TYPE_GREY = 2,
+ wxPNG_TYPE_GREY_RED = 3
+};
+
enum
{
wxBMP_24BPP = 24, // default, do not need to set
};
#endif
+//---------------------------------------------------------------------------
+
+%{
+#include <wx/quantize.h>
+%}
+
+enum {
+ wxQUANTIZE_INCLUDE_WINDOWS_COLOURS,
+// wxQUANTIZE_RETURN_8BIT_DATA,
+ wxQUANTIZE_FILL_DESTINATION_IMAGE
+};
+
+
+DocStr(wxQuantize,
+ "Performs quantization, or colour reduction, on a wxImage.", "");
+
+class wxQuantize /*: public wxObject */
+{
+public:
+
+ %extend {
+ DocStr(
+ Quantize,
+ "Reduce the colours in the source image and put the result into the
+destination image, setting the palette in the destination if
+needed. Both images may be the same, to overwrite the source image.", "
+:todo: Create a version that returns the wx.Palette used.");
+
+ static bool Quantize(const wxImage& src, wxImage& dest, int desiredNoColours = 236,
+ int flags = wxQUANTIZE_INCLUDE_WINDOWS_COLOURS|wxQUANTIZE_FILL_DESTINATION_IMAGE)
+ {
+ return wxQuantize::Quantize(src, dest,
+ //NULL, // palette
+ desiredNoColours,
+ NULL, // eightBitData
+ flags);
+ }
+ }
+};
+
+
//---------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff