+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file trgt_bmp.cpp
-** \brief Bitmap Target
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 2007 Chris Moore
-**
-** This package is free software; you can redistribute it and/or
-** modify it under the terms of the GNU General Public License as
-** published by the Free Software Foundation; either version 2 of
-** the License, or (at your option) any later version.
-**
-** This package is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-** General Public License for more details.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#define SYNFIG_NO_ANGLE
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "trgt_bmp.h"
-#include <synfig/general.h>
-
-#include <cstdio>
-#include <algorithm>
-#include <functional>
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace synfig;
-using namespace std;
-using namespace etl;
-
-/* === I N F O ============================================================= */
-
-SYNFIG_TARGET_INIT(bmp);
-SYNFIG_TARGET_SET_NAME(bmp,"bmp");
-SYNFIG_TARGET_SET_EXT(bmp,"bmp");
-SYNFIG_TARGET_SET_VERSION(bmp,"0.1");
-SYNFIG_TARGET_SET_CVS_ID(bmp,"$Id$");
-
-/* === C L A S S E S & S T R U C T S ======================================= */
-namespace synfig {
-
-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;
- set_remove_alpha();
-
-}
-
-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.
- given_desc->set_flags(0);
- 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(synfig::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_sans_extension(filename) +
- etl::strprintf(".%04d",imagecount) +
- filename_extension(filename));
- file=fopen(newfilename.c_str(),POPEN_BINARY_WRITE_TYPE);
- if(callback)callback->task(newfilename+_(" (animated)"));
- }
- else
- {
- file=fopen(filename.c_str(),POPEN_BINARY_WRITE_TYPE);
- if(callback)callback->task(filename);
- }
-
- if(!file)
- {
- if(callback)callback->error(_("Unable to open file"));
- else synfig::error(_("Unable to open file"));
- return false;
- }
-
- synfig::BITMAPFILEHEADER fileheader;
- synfig::BITMAPINFOHEADER infoheader;
-
- fileheader.bfType[0]='B';
- fileheader.bfType[1]='M';
- fileheader.bfSize=little_endian(sizeof(synfig::BITMAPFILEHEADER)+sizeof(synfig::BITMAPINFOHEADER)+rowspan*h);
- fileheader.bfReserved1=0;
- fileheader.bfReserved2=0;
- fileheader.bfOffsetBits=little_endian(sizeof(synfig::BITMAPFILEHEADER)+sizeof(synfig::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(synfig::BITMAPFILEHEADER)-4,1,file))
- {
- if(callback)callback->error(_("Unable to write file header to file"));
- else synfig::error(_("Unable to write file header to file"));
- return false;
- }
-
- if(!fwrite(&infoheader,sizeof(synfig::BITMAPINFOHEADER),1,file))
- {
- if(callback)callback->error(_("Unable to write info header"));
- else synfig::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