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added wxUSE_IMAGE; added write-only wxXPMHandler

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9854 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík 2001-04-22 22:31:53 +00:00
parent a8d4e3ac60
commit c96ea65713
10 changed files with 244 additions and 7 deletions
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7
src/common/imagall.cpp
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@ -25,6 +25,8 @@
#include "wx/image.h"
#if wxUSE_IMAGE
//-----------------------------------------------------------------------------
// This function allows dynamic access to all image handlers compile within
// the library. This function should be in a separate file as some compilers
@ -50,4 +52,9 @@ void wxInitAllImageHandlers()
#if wxUSE_PCX
wxImage::AddHandler( new wxPCXHandler );
#endif
#if wxUSE_XPM
wxImage::AddHandler( new wxXPMHandler );
#endif
}
#endif // wxUSE_IMAGE

6
src/common/imagbmp.cpp
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@ -18,6 +18,10 @@
#pragma hdrstop
#endif
#include "wx/defs.h"
#if wxUSE_IMAGE
#include "wx/imagbmp.h"
#include "wx/bitmap.h"
#include "wx/debug.h"
@ -546,4 +550,4 @@ bool wxBMPHandler::DoCanRead( wxInputStream& stream )
#endif // wxUSE_STREAMS
#endif // wxUSE_IMAGE

5
src/common/image.cpp
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@ -18,6 +18,10 @@
#pragma hdrstop
#endif
#include "wx/defs.h"
#if wxUSE_IMAGE
#include "wx/image.h"
#include "wx/bitmap.h"
#include "wx/debug.h"
@ -1460,3 +1464,4 @@ wxImage wxImage::Rotate(double angle, const wxPoint & centre_of_rotation, bool i
return rotated;
}
#endif // wxUSE_IMAGE

2
src/common/imaggif.cpp
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@ -22,7 +22,7 @@
# include "wx/defs.h"
#endif
#if wxUSE_GIF
#if wxUSE_IMAGE && wxUSE_GIF
#include "wx/imaggif.h"
#include "wx/gifdecod.h"

2
src/common/imagjpeg.cpp
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@ -20,7 +20,7 @@
#include "wx/defs.h"
#if wxUSE_LIBJPEG
#if wxUSE_IMAGE && wxUSE_LIBJPEG
#include "wx/imagjpeg.h"
#include "wx/bitmap.h"

2
src/common/imagpcx.cpp
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@ -23,7 +23,7 @@
# include "wx/defs.h"
#endif
#if wxUSE_STREAMS && wxUSE_PCX
#if wxUSE_IMAGE && wxUSE_STREAMS && wxUSE_PCX
#include "wx/imagpcx.h"
#include "wx/wfstream.h"

2
src/common/imagpng.cpp
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@ -22,7 +22,7 @@
#include "wx/defs.h"
#endif
#if wxUSE_LIBPNG
#if wxUSE_IMAGE && wxUSE_LIBPNG
#include "wx/imagpng.h"
#include "wx/bitmap.h"

2
src/common/imagpnm.cpp
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@ -22,7 +22,7 @@
# include "wx/setup.h"
#endif
#if wxUSE_PNM
#if wxUSE_IMAGE && wxUSE_PNM
#include "wx/imagpnm.h"
#include "wx/log.h"

2
src/common/imagtiff.cpp
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@ -20,7 +20,7 @@
#include "wx/defs.h"
#if wxUSE_LIBTIFF
#if wxUSE_IMAGE && wxUSE_LIBTIFF
#include "wx/imagtiff.h"
#include "wx/bitmap.h"

221
src/common/imagxpm.cpp Normal file
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@ -0,0 +1,221 @@
/////////////////////////////////////////////////////////////////////////////
// Name: imagxpm.cpp
// Purpose: wxXPMHandler
// Author: Vaclav Slavik
// RCS-ID: $Id$
// Copyright: (c) 2001 Vaclav Slavik
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
/*
This file is partially based on source code of ImageMagick by John Cristy. Its
license is as follows:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% X X PPPP M M %
% X X P P MM MM %
% X PPPP M M M %
% X X P M M %
% X X P M M %
% %
% %
% Read/Write ImageMagick Image Format. %
% %
% %
% Software Design %
% John Cristy %
% July 1992 %
% %
% %
% Copyright (C) 2001 ImageMagick Studio, a non-profit organization dedicated %
% to making software imaging solutions freely available. %
% %
% Permission is hereby granted, free of charge, to any person obtaining a %
% copy of this software and associated documentation files ("ImageMagick"), %
% to deal in ImageMagick without restriction, including without limitation %
% the rights to use, copy, modify, merge, publish, distribute, sublicense, %
% and/or sell copies of ImageMagick, and to permit persons to whom the %
% ImageMagick is furnished to do so, subject to the following conditions: %
% %
% The above copyright notice and this permission notice shall be included in %
% all copies or substantial portions of ImageMagick. %
% %
% The software is provided "as is", without warranty of any kind, express or %
% implied, including but not limited to the warranties of merchantability, %
% fitness for a particular purpose and noninfringement. In no event shall %
% ImageMagick Studio be liable for any claim, damages or other liability, %
% whether in an action of contract, tort or otherwise, arising from, out of %
% or in connection with ImageMagick or the use or other dealings in %
% ImageMagick. %
% %
% Except as contained in this notice, the name of the ImageMagick Studio %
% shall not be used in advertising or otherwise to promote the sale, use or %
% other dealings in ImageMagick without prior written authorization from the %
% ImageMagick Studio. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
*/
#ifdef __GNUG__
#pragma implementation "imagxpm.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
# pragma hdrstop
#endif
#ifndef WX_PRECOMP
# include "wx/defs.h"
#endif
#if wxUSE_IMAGE && wxUSE_XPM
#include "wx/imagxpm.h"
#include "wx/wfstream.h"
#include "wx/log.h"
#include "wx/intl.h"
#include "wx/utils.h"
IMPLEMENT_DYNAMIC_CLASS(wxXPMHandler,wxImageHandler)
//-----------------------------------------------------------------------------
// wxXPMHandler
//-----------------------------------------------------------------------------
#if wxUSE_STREAMS
bool wxXPMHandler::LoadFile(wxImage *WXUNUSED(image),
wxInputStream& WXUNUSED(stream),
bool verbose, int WXUNUSED(index))
{
if (verbose)
wxLogDebug(_("XPM: the handler is write-only!"));
return FALSE;
}
bool wxXPMHandler::SaveFile(wxImage * image,
wxOutputStream& stream, bool verbose)
{
wxString tmp;
char tmp_c;
// 1. count colours:
#define MaxCixels 92
static const char Cixel[MaxCixels+1] =
" .XoO+@#$%&*=-;:>,<1234567890qwertyuipasdfghjk"
"lzxcvbnmMNBVCZASDFGHJKLPIUYTREWQ!~^/()_`'][{}|";
int chars_per_pixel;
int cols;
int i, j, k;
cols = image->CountColours();
chars_per_pixel = 1;
for ( k = MaxCixels; cols > k; k *= MaxCixels)
chars_per_pixel++;
// 2. write the header:
tmp.Printf("/* XPM */\n"
"static char *xpm_data[] = {\n"
"/* columns rows colors chars-per-pixel */\n"
"\"%i %i %i %i\",\n",
image->GetWidth(), image->GetHeight(), cols, chars_per_pixel);
stream.Write(tmp.mb_str(), tmp.Length());
// 3. create color symbols table:
wxHashTable table(wxKEY_INTEGER);
image->ComputeHistogram(table);
char *symbols_data = new char[cols * (chars_per_pixel+1)];
char **symbols = new char*[cols];
// 2a. find mask colour:
long mask_key = -1;
if (image->HasMask())
mask_key = (image->GetMaskRed() << 16) |
(image->GetMaskGreen() << 8) | image->GetMaskBlue();
// 2b. generate colour table:
table.BeginFind();
wxNode *node = NULL;
while ((node = table.Next()) != NULL)
{
wxHNode *hnode = (wxHNode*) node->GetData();
long index = hnode->index;
symbols[index] = symbols_data + index * (chars_per_pixel+1);
char *sym = symbols[index];
k = index % MaxCixels;
sym[0] = Cixel[k];
for (j = 1; j < chars_per_pixel; j++)
{
k = ((index - k) / MaxCixels) % MaxCixels;
sym[j] = Cixel[k];
}
sym[j] = '\0';
long key = node->GetKeyInteger();
if (key == 0)
tmp.Printf(wxT("\"%s c Black\",\n"), sym);
else if (key == mask_key)
tmp.Printf(wxT("\"%s c None\",\n"), sym);
else
tmp.Printf(wxT("\"%s c #%s%s%s\",\n"), sym,
wxDecToHex((unsigned char)(key >> 16)).c_str(),
wxDecToHex((unsigned char)(key >> 8)).c_str(),
wxDecToHex((unsigned char)(key)).c_str());
stream.Write(tmp.mb_str(), tmp.Length());
}
tmp = wxT("/* pixels */\n");
stream.Write(tmp.mb_str(), tmp.Length());
unsigned char *data = image->GetData();
for (j = 0; j < image->GetHeight(); j++)
{
tmp_c = '\"'; stream.Write(&tmp_c, 1);
for (i = 0; i < image->GetWidth(); i++, data += 3)
{
unsigned long key = (data[0] << 16) | (data[1] << 8) | (data[2]);
wxHNode *hnode = (wxHNode*) table.Get(key);
stream.Write(symbols[hnode->index], chars_per_pixel);
}
tmp_c = '\"'; stream.Write(&tmp_c, 1);
if ( j + 1 < image->GetHeight() )
{
tmp_c = ','; stream.Write(&tmp_c, 1);
}
tmp_c = '\n'; stream.Write(&tmp_c, 1);
}
tmp = wxT("};\n");
stream.Write(tmp.mb_str(), 3);
delete[] symbols;
delete[] symbols_data;
return TRUE;
}
bool wxXPMHandler::DoCanRead(wxInputStream& stream)
{
unsigned char buf[9];
stream.Read(buf, 9);
stream.SeekI(-9, wxFromCurrent);
return (memcmp(buf, "/* XPM */", 9) == 0);
}
#endif // wxUSE_STREAMS
#endif // wxUSE_XPM && wxUSE_IMAGE