bool
exr_mptr::get_frame(synfig::Surface &out_surface, const synfig::RendDesc &/*renddesc*/, Time, synfig::ProgressCallback *cb)
{
try
{
Imf::RgbaInputFile in(identifier.filename.c_str());
int w = in.dataWindow().max.x - in.dataWindow().min.x + 1;
int h = in.dataWindow().max.y - in.dataWindow().min.y + 1;
//int dx = in.dataWindow().min.x;
//int dy = in.dataWindow().min.y;
etl::surface<Imf::Rgba> in_surface;
in_surface.set_wh(w,h);
in.setFrameBuffer (reinterpret_cast<Imf::Rgba *>(in_surface[0]), 1, w);
in.readPixels (in.dataWindow().min.y, in.dataWindow().max.y);
int x;
int y;
out_surface.set_wh(w,h);
for(y=0;y<out_surface.get_h();y++)
for(x=0;x<out_surface.get_w();x++)
{
Color &color(out_surface[y][x]);
Imf::Rgba &rgba(in_surface[y][x]);
color.set_r(rgba.r);
color.set_g(rgba.g);
color.set_b(rgba.b);
color.set_a(rgba.a);
}
}
catch (const std::exception& e)
{
if(cb)cb->error(e.what());
else synfig::error(e.what());
return false;
}
return true;
}
bool
bmp_mptr::get_frame(synfig::Surface &surface, const synfig::RendDesc &/*renddesc*/, Time /*time*/, synfig::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 synfig::error("bmp_mptr::GetFrame(): "+strprintf(_("Unable to open %s"),filename.c_str()));
return false;
}
synfig::BITMAPFILEHEADER fileheader;
synfig::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 synfig::error("bmp_mptr::GetFrame(): "+strprintf(_("%s is not in BMP format"),filename.c_str()));
return false;
}
if(fread(&fileheader.bfSize, 1, sizeof(synfig::BITMAPFILEHEADER)-4, file)!=sizeof(synfig::BITMAPFILEHEADER)-4)
{
String str("bmp_mptr::get_frame(): "+strprintf(_("Failure while reading BITMAPFILEHEADER from %s"),filename.c_str()));
if(cb)cb->error(str);
else synfig::error(str);
return false;
}
if(fread(&infoheader, 1, sizeof(synfig::BITMAPINFOHEADER), file)!=sizeof(synfig::BITMAPINFOHEADER))
{
String str("bmp_mptr::get_frame(): "+strprintf(_("Failure while reading BITMAPINFOHEADER from %s"),filename.c_str()));
if(cb)cb->error(str);
else synfig::error(str);
return false;
}
int offset=little_endian(fileheader.bfOffsetBits);
if(offset!=sizeof(synfig::BITMAPFILEHEADER)+sizeof(synfig::BITMAPINFOHEADER)-2)
{
String str("bmp_mptr::get_frame(): "+strprintf(_("Bad BITMAPFILEHEADER in %s. (bfOffsetBits=%d, should be %d)"),filename.c_str(),offset,sizeof(synfig::BITMAPFILEHEADER)+sizeof(synfig::BITMAPINFOHEADER)-2));
if(cb)cb->error(str);
else synfig::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 synfig::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);
synfig::warning("w:%d\n",w);
synfig::warning("h:%d\n",h);
synfig::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 synfig::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 synfig::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;
}
bool
mplayer_mptr::get_frame(synfig::Surface &surface, const synfig::RendDesc &renddesc, synfig::Time time, synfig::ProgressCallback *callback)
{
#error This code has vulnerabilites: arbitrary shell command execution and tmpfile issues
int ret;
ret=system(
strprintf("/usr/local/bin/mencoder \"%s\" -ovc rawrgb -ss %f -endpos 0 -nosound -o /tmp/tmp.synfig.rgbdata | grep \"VIDEO\" > /tmp/tmp.synfig.size",
identifier.filename.c_str(),
time
).c_str()
);
/*
if(ret!=0)
{
cerr<<"mencoder execution failed."<<endl;
return false;
}
*/
FILE *sizefile=fopen("/tmp/tmp.synfig.size","rt");
FILE *rgbfile=fopen("/tmp/tmp.synfig.rgbdata","rb");
if(!rgbfile)
{
cerr<<"unable to open /tmp/tmp.synfig.rgbdata"<<endl;
return false;
}
if(!sizefile)
{
cerr<<"unable to open /tmp/tmp.synfig.size"<<endl;
return false;
}
int w=4,h=4,x,y;
char bleh[500];
fscanf(sizefile,"%499s %499s %dx%d",bleh,bleh,&w,&h);
cerr<<strprintf("w:%d, h:%d, time:%f",w,h,time)<<endl;
fseek(rgbfile,2047+3*8,SEEK_CUR);
surface.set_wh(w,h);
for(y=0;y<h;y++)
for(x=0;x<w;x++)
{
unsigned char
b=(unsigned char)fgetc(rgbfile),
g=(unsigned char)fgetc(rgbfile),
r=(unsigned char)fgetc(rgbfile);
surface[h-y-1][x]=Color(
(float)r/255.0,
(float)g/255.0,
(float)b/255.0,
1.0
);
}
fclose(rgbfile);
fclose(sizefile);
return true;
}
bool
bmp_mptr::get_frame(synfig::Surface &surface, const synfig::RendDesc &/*renddesc*/, Time /*time*/, synfig::ProgressCallback *cb)
{
FileSystem::ReadStreamHandle stream = identifier.get_read_stream();
if(!stream)
{
if(cb)cb->error("bmp_mptr::GetFrame(): "+strprintf(_("Unable to open %s"),identifier.filename.c_str()));
else synfig::error("bmp_mptr::GetFrame(): "+strprintf(_("Unable to open %s"),identifier.filename.c_str()));
return false;
}
synfig::BITMAP::FILEHEADER fileheader;
synfig::BITMAP::INFOHEADER infoheader;
if (!stream->read_variable(fileheader.bfType)
|| fileheader.bfType[0] != 'B'
|| fileheader.bfType[1] != 'M')
{
if(cb)cb->error("bmp_mptr::GetFrame(): "+strprintf(_("%s is not in BMP format"),identifier.filename.c_str()));
else synfig::error("bmp_mptr::GetFrame(): "+strprintf(_("%s is not in BMP format"),identifier.filename.c_str()));
return false;
}
if(!stream->read_whole_block(&fileheader.bfSize, sizeof(synfig::BITMAP::FILEHEADER)-2))
{
String str("bmp_mptr::get_frame(): "+strprintf(_("Failure while reading BITMAP::FILEHEADER from %s"),identifier.filename.c_str()));
if(cb)cb->error(str);
else synfig::error(str);
return false;
}
if(!stream->read_whole_block(&infoheader, sizeof(synfig::BITMAP::INFOHEADER)))
{
String str("bmp_mptr::get_frame(): "+strprintf(_("Failure while reading BITMAP::INFOHEADER from %s"),identifier.filename.c_str()));
if(cb)cb->error(str);
else synfig::error(str);
return false;
}
int offset=little_endian(fileheader.bfOffsetBits);
if(offset!=sizeof(synfig::BITMAP::FILEHEADER)+sizeof(synfig::BITMAP::INFOHEADER))
{
String str("bmp_mptr::get_frame(): "+strprintf(_("Bad BITMAP::FILEHEADER in %s. (bfOffsetBits=%d, should be %d)"),identifier.filename.c_str(),offset,sizeof(synfig::BITMAP::FILEHEADER)+sizeof(synfig::BITMAP::INFOHEADER)));
if(cb)cb->error(str);
else synfig::error(str);
return false;
}
if(little_endian(infoheader.biSize)!=sizeof(synfig::BITMAP::INFOHEADER))
{
String str("bmp_mptr::get_frame(): "+strprintf(_("Bad BITMAP::INFOHEADER in %s. (biSize=%d, should be %d)"),identifier.filename.c_str(),little_endian(infoheader.biSize),sizeof(synfig::BITMAP::INFOHEADER)));
if(cb)cb->error(str);
else synfig::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);
synfig::warning("w:%d\n",w);
synfig::warning("h:%d\n",h);
synfig::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 synfig::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 synfig::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)stream->getc()*(1.0/255.0);
// float g=(float)(unsigned char)stream->getc()*(1.0/255.0);
// float r=(float)(unsigned char)stream->getc()*(1.0/255.0);
float b=gamma().b_U8_to_F32((unsigned char)stream->get());
float g=gamma().g_U8_to_F32((unsigned char)stream->get());
float r=gamma().r_U8_to_F32((unsigned char)stream->get());
surface[h-y-1][x]=Color(
r,
g,
b,
1.0
);
if(bit_count==32)
stream->get();
}
return true;
}
bool
png_mptr::get_frame(synfig::Surface &surface, const synfig::RendDesc &/*renddesc*/, Time, synfig::ProgressCallback */*cb*/)
{
/* Open the file pointer */
FileSystem::ReadStream::Handle stream = identifier.get_read_stream();
if (!stream)
{
//! \todo THROW SOMETHING
throw strprintf("Unable to physically open %s",identifier.filename.c_str());
return false;
}
/* Make sure we are dealing with a PNG format file */
png_byte header[PNG_CHECK_BYTES];
if (!stream->read_variable(header))
{
//! \todo THROW SOMETHING
throw strprintf("Cannot read header from \"%s\"",identifier.filename.c_str());
return false;
}
if (0 != png_sig_cmp(header, 0, PNG_CHECK_BYTES))
{
//! \todo THROW SOMETHING
throw strprintf("This (\"%s\") doesn't appear to be a PNG file",identifier.filename.c_str());
return false;
}
png_structp png_ptr = png_create_read_struct
(PNG_LIBPNG_VER_STRING, (png_voidp)this,
&png_mptr::png_out_error, &png_mptr::png_out_warning);
if (!png_ptr)
{
//! \todo THROW SOMETHING
throw String("error on importer construction, *WRITEME*3");
return false;
}
png_infop info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr)
{
png_destroy_read_struct(&png_ptr,
(png_infopp)NULL, (png_infopp)NULL);
//! \todo THROW SOMETHING
throw String("error on importer construction, *WRITEME*4");
return false;
}
png_infop end_info = png_create_info_struct(png_ptr);
if (!end_info)
{
png_destroy_read_struct(&png_ptr, &info_ptr,
(png_infopp)NULL);
//! \todo THROW SOMETHING
throw String("error on importer construction, *WRITEME*4");
return false;
}
png_set_read_fn(png_ptr, stream.get(), read_callback);
png_set_sig_bytes(png_ptr,PNG_CHECK_BYTES);
png_read_info(png_ptr, info_ptr);
int bit_depth,color_type,interlace_type, compression_type,filter_method;
png_uint_32 width,height;
png_get_IHDR(png_ptr, info_ptr, &width, &height,
&bit_depth, &color_type, &interlace_type,
&compression_type, &filter_method);
if (bit_depth == 16)
png_set_strip_16(png_ptr);
if (bit_depth < 8)
png_set_packing(png_ptr);
double fgamma;
if (png_get_gAMA(png_ptr, info_ptr, &fgamma))
{
synfig::info("PNG: Image gamma is %f",fgamma);
png_set_gamma(png_ptr, gamma().get_gamma(), fgamma);
}
/*
if (setjmp(png_jmpbuf(png_ptr)))
{
synfig::error("Unable to setup longjump");
png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
fclose(file);
//! \todo THROW SOMETHING
throw String("error on importer construction, *WRITEME*5");
return;
}
*/
// man libpng tells me:
// You must use png_transforms and not call any
// png_set_transform() functions when you use png_read_png().
// but we used png_set_gamma(), which may be why we were seeing a crash at the end
// png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_PACKING|PNG_TRANSFORM_STRIP_16, NULL);
png_read_update_info(png_ptr, info_ptr);
png_uint_32 rowbytes = png_get_rowbytes(png_ptr, info_ptr);
// allocate buffer to read image data into
png_bytep *row_pointers=new png_bytep[height];
png_byte *data = new png_byte[rowbytes*height];
for (png_uint_32 i = 0; i < height; i++)
row_pointers[i] = &(data[rowbytes*i]);
png_read_image(png_ptr, row_pointers);
png_uint_32 x, y;
surface.set_wh(width,height);
switch(color_type)
{
case PNG_COLOR_TYPE_RGB:
for(y=0; y<height; y++)
for(x=0; x<width; x++)
{
float r=gamma().r_U8_to_F32((unsigned char)row_pointers[y][x*3+0]);
float g=gamma().g_U8_to_F32((unsigned char)row_pointers[y][x*3+1]);
float b=gamma().b_U8_to_F32((unsigned char)row_pointers[y][x*3+2]);
surface[y][x]=Color(
r,
g,
b,
1.0
);
/*
surface[y][x]=Color(
(float)(unsigned char)row_pointers[y][x*3+0]*(1.0/255.0),
(float)(unsigned char)row_pointers[y][x*3+1]*(1.0/255.0),
(float)(unsigned char)row_pointers[y][x*3+2]*(1.0/255.0),
1.0
);
*/
}
break;
case PNG_COLOR_TYPE_RGB_ALPHA:
for(y=0; y<height; y++)
for(x=0; x<width; x++)
{
float r=gamma().r_U8_to_F32((unsigned char)row_pointers[y][x*4+0]);
float g=gamma().g_U8_to_F32((unsigned char)row_pointers[y][x*4+1]);
float b=gamma().b_U8_to_F32((unsigned char)row_pointers[y][x*4+2]);
surface[y][x]=Color(
r,
g,
b,
(float)(unsigned char)row_pointers[y][x*4+3]*(1.0/255.0)
);
/*
surface[y][x]=Color(
(float)(unsigned char)row_pointers[y][x*4+0]*(1.0/255.0),
(float)(unsigned char)row_pointers[y][x*4+1]*(1.0/255.0),
(float)(unsigned char)row_pointers[y][x*4+2]*(1.0/255.0),
(float)(unsigned char)row_pointers[y][x*4+3]*(1.0/255.0)
);
*/
}
break;
case PNG_COLOR_TYPE_GRAY:
for(y=0; y<height; y++)
for(x=0; x<width; x++)
{
float gray=gamma().g_U8_to_F32((unsigned char)row_pointers[y][x]);
//float gray=(float)(unsigned char)row_pointers[y][x]*(1.0/255.0);
surface[y][x]=Color(
gray,
gray,
gray,
1.0
);
}
break;
case PNG_COLOR_TYPE_GRAY_ALPHA:
for(y=0; y<height; y++)
for(x=0; x<width; x++)
{
float gray=gamma().g_U8_to_F32((unsigned char)row_pointers[y][x*2]);
// float gray=(float)(unsigned char)row_pointers[y][x*2]*(1.0/255.0);
surface[y][x]=Color(
gray,
gray,
gray,
(float)(unsigned char)row_pointers[y][x*2+1]*(1.0/255.0)
);
}
break;
case PNG_COLOR_TYPE_PALETTE:
{
png_colorp palette;
int num_palette;
png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette);
png_bytep trans_alpha = NULL;
int num_trans = 0;
bool has_alpha = (png_get_tRNS(png_ptr, info_ptr, &trans_alpha, &num_trans,
NULL) & PNG_INFO_tRNS);
for(y=0; y<height; y++)
for(x=0; x<width; x++)
{
float r=gamma().r_U8_to_F32((unsigned char)palette[row_pointers[y][x]].red);
float g=gamma().g_U8_to_F32((unsigned char)palette[row_pointers[y][x]].green);
float b=gamma().b_U8_to_F32((unsigned char)palette[row_pointers[y][x]].blue);
float a=1.0;
if (has_alpha && num_trans > 0 && trans_alpha != NULL)
{
a = row_pointers[y][x] < num_trans ?
(trans_alpha[row_pointers[y][x]]*(1.0/255.0)) : 1.0;
}
surface[y][x]=Color(
r,
g,
b,
a
);
}
break;
}
default:
png_read_end(png_ptr, end_info);
png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
synfig::error("png_mptr: error: Unsupported color type");
//! \todo THROW SOMETHING
throw String("error on importer construction, *WRITEME*6");
return false;
}
png_read_end(png_ptr, end_info);
png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
return true;
}
