%{
#include "helpers.h"
+#include "pyistream.h"
#include <wx/image.h>
%}
%import _defs.i
%import misc.i
%import gdi.i
+%import streams.i
+
+//---------------------------------------------------------------------------
+
+class wxImageHistogram /* : public wxImageHistogramBase */
+{
+public:
+ wxImageHistogram();
+
+ // get the key in the histogram for the given RGB values
+ static unsigned long MakeKey(unsigned char r,
+ unsigned char g,
+ unsigned char 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 *OUTPUT,
+ unsigned char *OUTPUT,
+ unsigned char *OUTPUT,
+ unsigned char startR = 1,
+ unsigned char startG = 0,
+ unsigned char startB = 0 ) const;
+};
+
//---------------------------------------------------------------------------
wxImage( const wxString& name, long type = wxBITMAP_TYPE_ANY, int index = -1 );
~wxImage();
- wxBitmap ConvertToBitmap(); // deprecated
-#ifdef __WXGTK__
- wxBitmap ConvertToMonoBitmap( unsigned char red, unsigned char green, unsigned char blue ) const;
-#endif
void Create( int width, int height );
void Destroy();
wxImage Scale( int width, int height );
+ wxImage ShrinkBy( int xFactor , int yFactor ) const ;
wxImage& Rescale(int width, int height);
void SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b );
unsigned char GetGreen( int x, int y );
unsigned char GetBlue( int x, int y );
+ void SetAlpha(int x, int y, unsigned char alpha);
+ unsigned char GetAlpha(int x, int y);
+ bool HasAlpha();
+
+ // find first colour that is not used in the image and has higher
+ // RGB values than <startR,startG,startB>
+ bool FindFirstUnusedColour( byte *OUTPUT, byte *OUTPUT, byte *OUTPUT,
+ byte startR = 0, byte startG = 0, byte startB = 0 ) const;
+
+ // 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);
+
+// void DoFloodFill (wxCoord x, wxCoord y,
+// const wxBrush & fillBrush,
+// const wxColour& testColour,
+// int style = wxFLOOD_SURFACE,
+// int LogicalFunction = wxCOPY /* currently unused */ ) ;
+
static bool CanRead( const wxString& name );
static int GetImageCount( const wxString& name, long type = wxBITMAP_TYPE_ANY );
bool SaveFile( const wxString& name, int type );
%name(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 );
+
bool Ok();
int GetWidth();
int GetHeight();
int len = self->GetWidth() * self->GetHeight() * 3;
return PyString_FromStringAndSize((char*)data, len);
}
-
void SetData(PyObject* data) {
unsigned char* dataPtr;
dataPtr = (unsigned char*) malloc(len);
memcpy(dataPtr, PyString_AsString(data), len);
self->SetData(dataPtr);
+ // wxImage takes ownership of dataPtr...
+ }
+
+
+
+ PyObject* GetDataBuffer() {
+ unsigned char* data = self->GetData();
+ int len = self->GetWidth() * self->GetHeight() * 3;
+ return PyBuffer_FromReadWriteMemory(data, len);
+ }
+ void SetDataBuffer(PyObject* data) {
+ unsigned char* buffer;
+ int size;
+
+ if (!PyArg_Parse(data, "w#", &buffer, &size))
+ return;
+
+ if (size != self->GetWidth() * self->GetHeight() * 3) {
+ PyErr_SetString(PyExc_TypeError, "Incorrect buffer size");
+ return;
+ }
+ self->SetData(buffer);
+ }
+
+
+
+ PyObject* GetAlphaData() {
+ unsigned char* data = self->GetAlpha();
+ if (! data) {
+ RETURN_NONE();
+ } else {
+ int len = self->GetWidth() * self->GetHeight();
+ return PyString_FromStringAndSize((char*)data, len);
+ }
+ }
+ void SetAlphaData(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();
+ dataPtr = (unsigned char*) malloc(len);
+ memcpy(dataPtr, PyString_AsString(data), len);
+ self->SetAlpha(dataPtr);
+ // wxImage takes ownership of dataPtr...
+ }
+
+
+
+ PyObject* GetAlphaBuffer() {
+ unsigned char* data = self->GetAlpha();
+ int len = self->GetWidth() * self->GetHeight();
+ return PyBuffer_FromReadWriteMemory(data, len);
+ }
+ void SetAlphaBuffer(PyObject* data) {
+ unsigned char* buffer;
+ int size;
+
+ if (!PyArg_Parse(data, "w#", &buffer, &size))
+ return;
+
+ if (size != self->GetWidth() * self->GetHeight()) {
+ PyErr_SetString(PyExc_TypeError, "Incorrect buffer size");
+ return;
+ }
+ self->SetAlpha(buffer);
}
}
bool HasOption(const wxString& name) const;
unsigned long CountColours( unsigned long stopafter = (unsigned long) -1 );
- // TODO: unsigned long ComputeHistogram( wxHashTable &h );
+ unsigned long ComputeHistogram( wxImageHistogram& h );
static void AddHandler( wxImageHandler *handler );
static void InsertHandler( wxImageHandler *handler );
static bool RemoveHandler( const wxString& name );
+ static wxString GetImageExtWildcard();
+
+
+ %addmethods {
+ wxBitmap ConvertToBitmap() {
+ wxBitmap bitmap(*self);
+ return bitmap;
+ }
+
+ wxBitmap ConvertToMonoBitmap( unsigned char red,
+ unsigned char green,
+ unsigned char blue ) {
+ wxImage mono = self->ConvertToMono( red, green, blue );
+ wxBitmap bitmap( mono, 1 );
+ return bitmap;
+ }
+ }
+
+ %pragma(python) addtoclass = "def __nonzero__(self): return self.Ok()"
};
// Alternate constructors
-%new wxImage* wxEmptyImage(int width=0, int height=0);
+%new wxImage* wxEmptyImage(int width=0, int height=0, bool clear = TRUE);
%new wxImage* wxImageFromMime(const wxString& name, const wxString& mimetype, int index = -1);
%new wxImage* wxImageFromBitmap(const wxBitmap &bitmap);
%new wxImage* wxImageFromData(int width, int height, unsigned char* data);
+%new wxImage* wxImageFromStream(wxInputStream& stream, long type = wxBITMAP_TYPE_ANY, int index = -1);
+%new wxImage* wxImageFromStreamMime(wxInputStream& stream, const wxString& mimetype, int index = -1 );
+
%{
- wxImage* wxEmptyImage(int width=0, int height=0) {
- if (width == 0 && height == 0)
- return new wxImage;
+ wxImage* wxEmptyImage(int width=0, int height=0, bool clear = TRUE) {
+ if (width > 0 && height > 0)
+ return new wxImage(width, height, clear);
else
- return new wxImage(width, height);
+ return new wxImage;
}
+
wxImage* wxImageFromMime(const wxString& name, const wxString& mimetype, int index) {
return new wxImage(name, mimetype, index);
}
+
wxImage* wxImageFromBitmap(const wxBitmap &bitmap) {
- return new wxImage(bitmap);
+ return new wxImage(bitmap.ConvertToImage());
}
+
wxImage* wxImageFromData(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);
memcpy(copy, data, width*height*3);
return new wxImage(width, height, copy, FALSE);
}
+
+
+ wxImage* wxImageFromStream(wxInputStream& stream,
+ long type = wxBITMAP_TYPE_ANY, int index = -1) {
+ return new wxImage(stream, type, index);
+ }
+
+
+ wxImage* wxImageFromStreamMime(wxInputStream& stream,
+ const wxString& mimetype, int index = -1 ) {
+ return new wxImage(stream, mimetype, index);
+ }
%}
+
+
void wxInitAllImageHandlers();
#if 0
%}
+// See also wxPy_ReinitStockObjects in helpers.cpp
extern wxImage wxNullImage;
%readwrite
projects / wxWidgets.git / blobdiff