--- /dev/null
+/* === S I N F G =========================================================== */
+/*! \file trgt_bmp.cpp
+** \brief Bitmap Target
+**
+** $Id: trgt_bmp.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $
+**
+** \legal
+** 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.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === 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 "trgt_bmp.h"
+#include <sinfg/general.h>
+
+#include <cstdio>
+#include <algorithm>
+#include <functional>
+#endif
+
+/* === U S I N G =========================================================== */
+
+using namespace sinfg;
+using namespace std;
+using namespace etl;
+
+/* === I N F O ============================================================= */
+
+SINFG_TARGET_INIT(bmp);
+SINFG_TARGET_SET_NAME(bmp,"bmp");
+SINFG_TARGET_SET_EXT(bmp,"bmp");
+SINFG_TARGET_SET_VERSION(bmp,"0.1");
+SINFG_TARGET_SET_CVS_ID(bmp,"$Id: trgt_bmp.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $");
+
+/* === C L A S S E S & S T R U C T 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;
+};
+
+/* === M E T H O D S ======================================================= */
+
+#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::bmp(const char *Filename)
+{
+ file=NULL;
+ filename=Filename;
+ multi_image=false;
+ buffer=0;
+ color_buffer=0;
+}
+
+bmp::~bmp()
+{
+ if(file)
+ fclose(file);
+ file=NULL;
+ delete [] buffer;
+ delete [] color_buffer;
+}
+
+bool
+bmp::set_rend_desc(RendDesc *given_desc)
+{
+ pf=PF_BGR;
+
+ // Flip the image upside down,
+ // because bitmaps are upside down.
+ Point tl=given_desc->get_tl();
+ Point br=given_desc->get_br();
+ Point::value_type tmp;
+ tmp=tl[1];
+ tl[1]=br[1];
+ br[1]=tmp;
+ given_desc->set_tl(tl);
+ given_desc->set_br(br);
+
+ desc=*given_desc;
+ if(desc.get_frame_end()-desc.get_frame_start()>0)
+ {
+ multi_image=true;
+ imagecount=desc.get_frame_start();
+ }
+ else
+ multi_image=false;
+
+ return true;
+}
+
+void
+bmp::end_frame()
+{
+ if(file)
+ fclose(file);
+ delete [] color_buffer;
+ color_buffer=0;
+ file=NULL;
+ imagecount++;
+}
+
+bool
+bmp::start_frame(sinfg::ProgressCallback *callback)
+{
+ int w=desc.get_w(),h=desc.get_h();
+
+ rowspan=4*((w*(channels(pf)*8)+31)/32);
+
+ if(multi_image)
+ {
+ String
+ newfilename(filename),
+ ext(find(filename.begin(),filename.end(),'.'),filename.end());
+ newfilename.erase(find(newfilename.begin(),newfilename.end(),'.'),newfilename.end());
+
+ newfilename+=etl::strprintf("%04d",imagecount)+ext;
+ file=fopen(newfilename.c_str(),"wb");
+ if(callback)callback->task(newfilename+_(" (animated)"));
+ }
+ else
+ {
+ file=fopen(filename.c_str(),"wb");
+ if(callback)callback->task(filename);
+ }
+
+ if(!file)
+ {
+ if(callback)callback->error(_("Unable to open file"));
+ else sinfg::error(_("Unable to open file"));
+ return false;
+ }
+
+ BITMAPFILEHEADER fileheader;
+ BITMAPINFOHEADER infoheader;
+
+ fileheader.bfType[0]='B';
+ fileheader.bfType[1]='M';
+ fileheader.bfSize=little_endian(sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+rowspan*h);
+ fileheader.bfReserved1=0;
+ fileheader.bfReserved2=0;
+ fileheader.bfOffsetBits=little_endian(sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)-2);
+
+ infoheader.biSize=little_endian(40);
+ infoheader.biWidth=little_endian(w);
+ infoheader.biHeight=little_endian(h);
+ infoheader.biPlanes=little_endian_short((short)1);
+ infoheader.biBitCount=little_endian_short((short)(channels(pf)*8));
+ infoheader.biCompression=little_endian(0);
+ infoheader.biSizeImage=little_endian(0);
+ infoheader.biXPelsPerMeter=little_endian((int)rend_desc().get_x_res());
+ infoheader.biYPelsPerMeter=little_endian((int)rend_desc().get_y_res()); // pels per meter...?
+ infoheader.biClrUsed=little_endian(0);
+ infoheader.biClrImportant=little_endian(0);
+
+ fprintf(file,"BM");
+
+ if(!fwrite(&fileheader.bfSize,sizeof(BITMAPFILEHEADER)-4,1,file))
+ {
+ if(callback)callback->error(_("Unable to write file header to file"));
+ else sinfg::error(_("Unable to write file header to file"));
+ return false;
+ }
+
+ if(!fwrite(&infoheader,sizeof(BITMAPINFOHEADER),1,file))
+ {
+ if(callback)callback->error(_("Unable to write info header"));
+ else sinfg::error(_("Unable to write info header"));
+ return false;
+ }
+
+ delete [] buffer;
+ buffer=new unsigned char[rowspan];
+
+ delete [] color_buffer;
+ color_buffer=new Color[desc.get_w()];
+
+ return true;
+}
+
+Color *
+bmp::start_scanline(int scanline)
+{
+ return color_buffer;
+}
+
+bool
+bmp::end_scanline()
+{
+ if(!file)
+ return false;
+
+ convert_color_format(buffer, color_buffer, desc.get_w(), pf, gamma());
+
+ if(!fwrite(buffer,1,rowspan,file))
+ return false;
+
+ return true;
+}
projects / synfig.git / blobdiff