X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2Fsynfig_0_61_05%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_png%2Fmptr_png.cpp;fp=synfig-core%2Ftags%2Fsynfig_0_61_05%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_png%2Fmptr_png.cpp;h=0000000000000000000000000000000000000000;hb=6fa8f2f38d4b0b35f8539bf94e27ae27015c7689;hp=1ab33b59fd0af0b219aeb0880bc705a7510e54f2;hpb=47fce282611fbba1044921d22ca887f9b53ad91a;p=synfig.git diff --git a/synfig-core/tags/synfig_0_61_05/synfig-core/src/modules/mod_png/mptr_png.cpp b/synfig-core/tags/synfig_0_61_05/synfig-core/src/modules/mod_png/mptr_png.cpp deleted file mode 100644 index 1ab33b5..0000000 --- a/synfig-core/tags/synfig_0_61_05/synfig-core/src/modules/mod_png/mptr_png.cpp +++ /dev/null @@ -1,331 +0,0 @@ -/*! ======================================================================== -** Synfig -** ppm Target Module -** $Id: mptr_png.cpp,v 1.1.1.1 2005/01/04 01:23:14 darco Exp $ -** -** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley -** -** 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. -** -** === N O T E S =========================================================== -** -** ========================================================================= */ - -/*! -** \todo Support 16 bit PNG files -** \todo Support GAMMA correction -** \todo Fix memory leaks -*/ - -/* === H E A D E R S ======================================================= */ - -#ifdef USING_PCH -# include "pch.h" -#else -#ifdef HAVE_CONFIG_H -# include -#endif - -#include "mptr_png.h" -#include -#include -#include - - -#include -#include -#include -#endif - -/* === M A C R O S ========================================================= */ - -using namespace synfig; -using namespace std; -using namespace etl; - -#define PNG_CHECK_BYTES 8 - -/* === G L O B A L S ======================================================= */ - -SYNFIG_IMPORTER_INIT(png_mptr); -SYNFIG_IMPORTER_SET_NAME(png_mptr,"png_mptr"); -SYNFIG_IMPORTER_SET_EXT(png_mptr,"png"); -SYNFIG_IMPORTER_SET_VERSION(png_mptr,"0.1"); -SYNFIG_IMPORTER_SET_CVS_ID(png_mptr,"$Id: mptr_png.cpp,v 1.1.1.1 2005/01/04 01:23:14 darco Exp $"); - -/* === M E T H O D S ======================================================= */ - -void -png_mptr::png_out_error(png_struct *png_data,const char *msg) -{ - //png_mptr *me=(png_mptr*)png_data->error_ptr; - synfig::error(strprintf("png_mptr: error: %s",msg)); - //me->ready=false; -} - -void -png_mptr::png_out_warning(png_struct *png_data,const char *msg) -{ - //png_mptr *me=(png_mptr*)png_data->error_ptr; - synfig::warning(strprintf("png_mptr: warning: %s",msg)); - //me->ready=false; -} - -int -png_mptr::read_chunk_callback(png_struct *png_data, png_unknown_chunkp chunk) -{ - /* The unknown chunk structure contains your - chunk data: */ - //png_byte name[5]; - //png_byte *data; - //png_size_t size; - /* Note that libpng has already taken care of - the CRC handling */ - - /* put your code here. Return one of the - following: */ - - //return (-n); /* chunk had an error */ - return (0); /* did not recognize */ - //return (n); /* success */ -} - -png_mptr::png_mptr(const char *file_name) -{ - filename=file_name; - - /* Open the file pointer */ - FILE *file = fopen(file_name, "rb"); - if (!file) - { - //! \todo THROW SOMETHING - throw strprintf("Unable to physically open %s",file_name); - return; - } - - - /* Make sure we are dealing with a PNG format file */ - png_byte header[PNG_CHECK_BYTES]; - fread(header, 1, PNG_CHECK_BYTES, file); - bool is_png = !png_sig_cmp(header, 0, PNG_CHECK_BYTES); - if (!is_png) - { - //! \todo THROW SOMETHING - throw strprintf("This (\"%s\") doesn't appear to be a PNG file",file_name); - return; - } - - - 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; - } - - 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; - } - - 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; - } - - - - png_init_io(png_ptr, file); - png_set_sig_bytes(png_ptr,PNG_CHECK_BYTES); - - 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; - } - */ - - png_set_read_user_chunk_fn(png_ptr, this, &png_mptr::read_chunk_callback); - - - png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_PACKING|PNG_TRANSFORM_STRIP_16, NULL); - - 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); - - png_bytep *row_pointers=new png_bytep[height]; - row_pointers = png_get_rows(png_ptr, info_ptr); - int x; - int y; - surface_buffer.set_wh(width,height); - - switch(color_type) - { - case PNG_COLOR_TYPE_RGB: - DEBUGPOINT(); - for(y=0;ypalette[row_pointers[y][x]].red); - float g=gamma().g_U8_to_F32((unsigned char)png_ptr->palette[row_pointers[y][x]].green); - float b=gamma().b_U8_to_F32((unsigned char)png_ptr->palette[row_pointers[y][x]].blue); - surface_buffer[y][x]=Color( - r, - g, - b, - 1.0 - ); - } - break; - default: - synfig::error("png_mptr: error: Unsupported color type"); - //! \todo THROW SOMETHING - throw String("error on importer construction, *WRITEME*6"); - return; - } - - DEBUGPOINT(); - - // \fixme These shouldn't be uncommented, but for some - // reason, they crash the program. I will have to look into this - // later. This is a memory leak, but it shouldn't be too bad. - - /* - png_read_end(png_ptr, end_info); - png_destroy_read_struct(&png_ptr, &info_ptr, &end_info); - fclose(file); - */ - - delete [] row_pointers; -} - -png_mptr::~png_mptr() -{ - DEBUGPOINT(); -} - -bool -png_mptr::get_frame(synfig::Surface &surface,Time, synfig::ProgressCallback *cb) -{ - surface.mirror(surface_buffer); -// surface=surface_buffer; - return true; -}