+++ /dev/null
-/*! ========================================================================
-** Sinfg
-** bmp Target Module
-** $Id: mptr_bmp.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $
-**
-** Copyright (c) 2002 Robert B. Quattlebaum Jr.
-**
-** This software and associated documentation
-** are CONFIDENTIAL and PROPRIETARY property of
-** the above-mentioned copyright holder.
-**
-** You may not copy, print, publish, or in any
-** other way distribute this software without
-** a prior written agreement with
-** the copyright holder.
-**
-** === N O T E S ===========================================================
-**
-** ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#define SINFG_NO_ANGLE
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "mptr_bmp.h"
-#include <sinfg/general.h>
-#include <sinfg/surface.h>
-
-#include <algorithm>
-#include <functional>
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace sinfg;
-using namespace std;
-using namespace etl;
-
-/* === G L O B A L S ======================================================= */
-
-SINFG_IMPORTER_INIT(bmp_mptr);
-SINFG_IMPORTER_SET_NAME(bmp_mptr,"bmp_mptr");
-SINFG_IMPORTER_SET_EXT(bmp_mptr,"bmp");
-SINFG_IMPORTER_SET_VERSION(bmp_mptr,"0.1");
-SINFG_IMPORTER_SET_CVS_ID(bmp_mptr,"$Id: mptr_bmp.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $");
-
-/* === M E T H O D S ======================================================= */
-
-struct BITMAPFILEHEADER
-{
- unsigned char bfType[2];
- unsigned long bfSize;
- unsigned short bfReserved1;
- unsigned short bfReserved2;
- unsigned long bfOffsetBits;
-};
-
-struct BITMAPINFOHEADER
-{
- unsigned long biSize;
- long biWidth;
- long biHeight;
- unsigned short biPlanes;
- unsigned short biBitCount;
- unsigned long biCompression;
- unsigned long biSizeImage;
- long biXPelsPerMeter;
- long biYPelsPerMeter;
- unsigned long biClrUsed;
- unsigned long biClrImportant;
-};
-
-#ifdef WORDS_BIGENDIAN
-inline long little_endian(const long &x)
-{
- long ret;
- char *big_e=(char *)&ret;
- char *lit_e=(char *)&x;
- big_e[0]=lit_e[3];
- big_e[1]=lit_e[2];
- big_e[2]=lit_e[1];
- big_e[3]=lit_e[0];
- return ret;
-}
-inline short little_endian_short(const short &x)
-{
- short ret;
- char *big_e=(char *)&ret;
- char *lit_e=(char *)&x;
- big_e[0]=lit_e[1];
- big_e[1]=lit_e[0];
- return ret;
-}
-#else
-#define little_endian(x) (x)
-#define little_endian_short(x) (x)
-#endif
-
-
-
-
-
-
-bmp_mptr::bmp_mptr(const char *file)
-{
- filename=file;
-}
-
-bmp_mptr::~bmp_mptr()
-{
-}
-
-bool
-bmp_mptr::get_frame(sinfg::Surface &surface,Time, sinfg::ProgressCallback *cb)
-{
- FILE *file=fopen(filename.c_str(),"rb");
- if(!file)
- {
- if(cb)cb->error("bmp_mptr::GetFrame(): "+strprintf(_("Unable to open %s"),filename.c_str()));
- else sinfg::error("bmp_mptr::GetFrame(): "+strprintf(_("Unable to open %s"),filename.c_str()));
- return false;
- }
-
- BITMAPFILEHEADER fileheader;
- BITMAPINFOHEADER infoheader;
- char b_char=fgetc(file);
- char m_char=fgetc(file);
-
- if(b_char!='B' || m_char!='M')
- {
- if(cb)cb->error("bmp_mptr::GetFrame(): "+strprintf(_("%s is not in BMP format"),filename.c_str()));
- else sinfg::error("bmp_mptr::GetFrame(): "+strprintf(_("%s is not in BMP format"),filename.c_str()));
- return false;
- }
-
- if(fread(&fileheader.bfSize, 1, sizeof(BITMAPFILEHEADER)-4, file)!=sizeof(BITMAPFILEHEADER)-4)
- {
- String str("bmp_mptr::get_frame(): "+strprintf(_("Failure while reading BITMAPFILEHEADER from %s"),filename.c_str()));
- if(cb)cb->error(str);
- else sinfg::error(str);
- return false;
- }
-
- if(fread(&infoheader, 1, sizeof(BITMAPINFOHEADER), file)!=sizeof(BITMAPINFOHEADER))
- {
- String str("bmp_mptr::get_frame(): "+strprintf(_("Failure while reading BITMAPINFOHEADER from %s"),filename.c_str()));
- if(cb)cb->error(str);
- else sinfg::error(str);
- return false;
- }
-
- int offset=little_endian(fileheader.bfOffsetBits);
-
- if(offset!=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)-2)
- {
- String str("bmp_mptr::get_frame(): "+strprintf(_("Bad BITMAPFILEHEADER in %s. (bfOffsetBits=%d, should be %d)"),filename.c_str(),offset,sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)-2));
- if(cb)cb->error(str);
- else sinfg::error(str);
- return false;
- }
-
- if(little_endian(infoheader.biSize)!=little_endian(40))
- {
- String str("bmp_mptr::get_frame(): "+strprintf(_("Bad BITMAPINFOHEADER in %s. (biSize=%d, should be 40)"),filename.c_str(),little_endian(infoheader.biSize)));
- if(cb)cb->error(str);
- else sinfg::error(str);
- return false;
- }
-
- int w,h,bit_count;
-
- w=little_endian(infoheader.biWidth);
- h=little_endian(infoheader.biHeight);
- bit_count=little_endian_short(infoheader.biBitCount);
-
- sinfg::warning("w:%d\n",w);
- sinfg::warning("h:%d\n",h);
- sinfg::warning("bit_count:%d\n",bit_count);
-
- if(little_endian(infoheader.biCompression))
- {
- if(cb)cb->error("bmp_mptr::GetFrame(): "+string(_("Reading compressed bitmaps is not supported")));
- else sinfg::error("bmp_mptr::GetFrame(): "+string(_("Reading compressed bitmaps is not supported")));
- return false;
- }
-
- if(bit_count!=24 && bit_count!=32)
- {
- if(cb)cb->error("bmp_mptr::GetFrame(): "+strprintf(_("Unsupported bit depth (bit_count=%d, should be 24 or 32)"),bit_count));
- else sinfg::error("bmp_mptr::GetFrame(): "+strprintf(_("Unsupported bit depth (bit_count=%d, should be 24 or 32)"),bit_count));
- return false;
- }
-
- int x;
- int y;
- surface.set_wh(w,h);
- for(y=0;y<surface.get_h();y++)
- for(x=0;x<surface.get_w();x++)
- {
-// float b=(float)(unsigned char)fgetc(file)*(1.0/255.0);
-// float g=(float)(unsigned char)fgetc(file)*(1.0/255.0);
-// float r=(float)(unsigned char)fgetc(file)*(1.0/255.0);
- float b=gamma().b_U8_to_F32((unsigned char)fgetc(file));
- float g=gamma().g_U8_to_F32((unsigned char)fgetc(file));
- float r=gamma().r_U8_to_F32((unsigned char)fgetc(file));
-
- surface[h-y-1][x]=Color(
- r,
- g,
- b,
- 1.0
- );
- if(bit_count==32)
- fgetc(file);
- }
-
-
- fclose(file);
- return true;
-}
projects / synfig.git / blobdiff