--- /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