/////////////////////////////////////////////////////////////////////////////
-// Name: src/common/imagiff.h
+// Name: src/common/imagiff.cpp
// Purpose: wxImage handler for Amiga IFF images
// Author: Steffen Gutmann, Thomas Meyer
-// RCS-ID: $Id$
// Copyright: (c) Steffen Gutmann, 2002
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
IFFImage *m_image; // image data
wxInputStream *m_f; // input stream
unsigned char *databuf;
- unsigned char *picptr;
unsigned char *decomp_mem;
void Destroy();
// constructor, destructor, etc.
wxIFFDecoder(wxInputStream *s);
~wxIFFDecoder() { Destroy(); }
-
+
// NOTE: this function modifies the current stream position
bool CanRead();
-
+
int ReadIFF();
bool ConvertToImage(wxImage *image) const;
};
void wxIFFDecoder::Destroy()
{
- delete m_image;
- m_image = 0;
- delete [] databuf;
- databuf = 0;
- delete [] decomp_mem;
- decomp_mem = 0;
+ wxDELETE(m_image);
+ wxDELETEA(databuf);
+ wxDELETEA(decomp_mem);
}
//---------------------------------------------------------------------------
// create the image
image->Create(GetWidth(), GetHeight());
- if (!image->Ok())
+ if (!image->IsOk())
return false;
unsigned char *pal = GetPalette();
return wxIFF_INVFORMAT;
}
- wxLogTrace(_T("iff"), _T("IFF ILBM file recognized"));
+ wxLogTrace(wxT("iff"), wxT("IFF ILBM file recognized"));
dataptr = dataptr + 4; // skip ID
const byte *cmapptr = dataptr + 8;
colors = chunkLen / 3; // calc no of colors
- delete m_image->pal;
- m_image->pal = 0;
+ wxDELETE(m_image->pal);
m_image->colors = colors;
if (colors > 0) {
m_image->pal = new byte[3*colors];
}
}
- wxLogTrace(_T("iff"), _T("Read %d colors from IFF file."),
+ wxLogTrace(wxT("iff"), wxT("Read %d colors from IFF file."),
colors);
dataptr += 8 + chunkLen; // to next chunk
decomprle(bodyptr, decomp_mem, chunkLen, decomp_bufsize);
bodyptr = decomp_mem; // -> uncompressed BODY
chunkLen = decomp_bufsize;
- delete [] databuf;
- databuf = 0;
+ wxDELETEA(databuf);
}
// the following determines the type of the ILBM file.
}
}
- wxLogTrace(_T("iff"),
- _T("LoadIFF: %s %dx%d, planes=%d (%d cols), comp=%d"),
+ wxLogTrace(wxT("iff"),
+ wxT("LoadIFF: %s %dx%d, planes=%d (%d cols), comp=%d"),
(fmt==ILBM_NORMAL) ? "Normal ILBM" :
(fmt==ILBM_HAM) ? "HAM ILBM" :
(fmt==ILBM_HAM8) ? "HAM8 ILBM" :
1<<bmhd_bitplanes, bmhd_compression);
if ((fmt==ILBM_NORMAL) || (fmt==ILBM_EHB) || (fmt==ILBM_HAM)) {
- wxLogTrace(_T("iff"),
- _T("Converting CMAP from normal ILBM CMAP"));
+ wxLogTrace(wxT("iff"),
+ wxT("Converting CMAP from normal ILBM CMAP"));
switch(fmt) {
case ILBM_NORMAL: colors = 1 << bmhd_bitplanes; break;
}
m_image->p = new byte[bmhd_width * bmhd_height * 3];
- byte *picptr = m_image->p;
+ byte *picptr = m_image->p;
if (!picptr) {
Destroy();
return wxIFF_MEMERR;
}
} else if ((fmt == ILBM_NORMAL) || (fmt == ILBM_EHB)) {
if (fmt == ILBM_EHB) {
- wxLogTrace(_T("iff"), _T("Doubling CMAP for EHB mode"));
+ wxLogTrace(wxT("iff"), wxT("Doubling CMAP for EHB mode"));
for (int i=0; i<32; i++) {
pal[3*(i + 32) + 0] = pal[3*i + 0] >> 1;
m_image->h = height;
m_image->transparent = bmhd_transcol;
- wxLogTrace(_T("iff"), _T("Loaded IFF picture %s"),
+ wxLogTrace(wxT("iff"), wxT("Loaded IFF picture %s"),
truncated? "truncated" : "completely");
return (truncated? wxIFF_TRUNCATED : wxIFF_OK);
} else {
- wxLogTrace(_T("iff"), _T("Skipping unknown chunk '%c%c%c%c'"),
+ wxLogTrace(wxT("iff"), wxT("Skipping unknown chunk '%c%c%c%c'"),
*dataptr, *(dataptr+1), *(dataptr+2), *(dataptr+3));
dataptr = dataptr + 8 + chunkLen; // skip unknown chunk
wxOutputStream& WXUNUSED(stream), bool verbose)
{
if (verbose)
+ {
wxLogDebug(wxT("IFF: the handler is read-only!!"));
+ }
return false;
}