Port of FLIF (Free Lossless Image Format) library

http://flif.info/
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Ref #97

lib/import/import-libflif.mk

@@ -0,0 +1 @@
+INC_DIR += $(call select_from_ports,flif)/include/flif

lib/mk/libflif.mk

@@ -0,0 +1,40 @@
+SHARED_LIB = yes
+
+LIBS += stdcxx libpng zlib
+
+CC_OPT += \
+	-std=gnu++11 \
+	-DLODEPNG_NO_COMPILE_PNG -DLODEPNG_NO_COMPILE_DISK \
+	-DNDEBUG -ftree-vectorize \
+	-DINT16_MAX=0x7fff \
+	-D__GENODE__ \
+
+FLIF_SRC_DIR = $(call select_from_ports,flif)/src/lib/flif
+
+SRC_CC = \
+	flif-interface.cpp \
+	chance.cpp \
+	symbol.cpp \
+	crc32k.cpp \
+	image.cpp \
+	image-png.cpp \
+	image-pnm.cpp \
+	image-pam.cpp \
+	image-rggb.cpp \
+	image-metadata.cpp \
+	color_range.cpp \
+	factory.cpp \
+	common.cpp \
+	flif-enc.cpp \
+	flif-dec.cpp \
+	lodepng.cpp \
+	io.cpp \
+
+vpath %.cpp $(FLIF_SRC_DIR)/src
+vpath %.cpp $(FLIF_SRC_DIR)/src/image
+vpath %.cpp $(FLIF_SRC_DIR)/src/library
+vpath %.cpp $(FLIF_SRC_DIR)/src/maniac
+vpath %.cpp $(FLIF_SRC_DIR)/src/transform
+vpath %.cpp $(FLIF_SRC_DIR)/extern
+
+CC_CXX_WARN_STRICT =

lib/symbols/libflif

@@ -0,0 +1,81 @@
+flif_abort_decoder T
+flif_create_decoder T
+flif_create_encoder T
+flif_create_image_GRAY16 T
+flif_create_image_GRAY T
+flif_create_image_HDR T
+flif_create_image_PALETTE T
+flif_create_image_RGB T
+flif_create_image T
+flif_decoder_decode_filepointer T
+flif_decoder_decode_file T
+flif_decoder_decode_memory T
+flif_decoder_generate_preview T
+flif_decoder_get_image T
+flif_decoder_num_images T
+flif_decoder_num_loops T
+flif_decoder_set_callback T
+flif_decoder_set_crc_check T
+flif_decoder_set_first_callback_quality T
+flif_decoder_set_fit T
+flif_decoder_set_quality T
+flif_decoder_set_resize T
+flif_decoder_set_scale T
+flif_destroy_decoder T
+flif_destroy_encoder T
+flif_destroy_image T
+flif_destroy_info T
+flif_encoder_add_image_move T
+flif_encoder_add_image T
+flif_encoder_encode_file T
+flif_encoder_encode_memory T
+flif_encoder_set_alpha_zero_lossless T
+flif_encoder_set_auto_color_buckets T
+flif_encoder_set_chance_alpha T
+flif_encoder_set_chance_cutoff T
+flif_encoder_set_channel_compact T
+flif_encoder_set_crc_check T
+flif_encoder_set_divisor T
+flif_encoder_set_frame_shape T
+flif_encoder_set_interlaced T
+flif_encoder_set_learn_repeat T
+flif_encoder_set_lookback T
+flif_encoder_set_lossy T
+flif_encoder_set_min_size T
+flif_encoder_set_palette_size T
+flif_encoder_set_split_threshold T
+flif_encoder_set_ycocg T
+flif_free_memory T
+flif_image_free_metadata T
+flif_image_get_depth T
+flif_image_get_frame_delay T
+flif_image_get_height T
+flif_image_get_metadata T
+flif_image_get_nb_channels T
+flif_image_get_palette_size T
+flif_image_get_palette T
+flif_image_get_width T
+flif_image_read_row_GRAY16 T
+flif_image_read_row_GRAY8 T
+flif_image_read_row_PALETTE8 T
+flif_image_read_row_RGBA16 T
+flif_image_read_row_RGBA8 T
+flif_image_set_frame_delay T
+flif_image_set_metadata T
+flif_image_set_palette T
+flif_image_write_row_GRAY16 T
+flif_image_write_row_GRAY8 T
+flif_image_write_row_PALETTE8 T
+flif_image_write_row_RGBA16 T
+flif_image_write_row_RGBA8 T
+flif_import_image_GRAY16 T
+flif_import_image_GRAY T
+flif_import_image_PALETTE T
+flif_import_image_RGBA T
+flif_import_image_RGB T
+flif_info_get_depth T
+flif_info_get_height T
+flif_info_get_nb_channels T
+flif_info_get_width T
+flif_info_num_images T
+flif_read_info_from_memory T

ports/flif.hash

@@ -0,0 +1 @@
+1143105e4986bbac4461138e4cab81c8b531c7d2

ports/flif.port

@@ -0,0 +1,14 @@
+LICENSE   := LGPLv3
+VERSION   := 0.3
+DOWNLOADS := flif.archive
+
+URL(flif) := https://github.com/FLIF-hub/FLIF/archive/v$(VERSION).tar.gz
+SHA(flif) := 10918ea2695fdc97ad70d2e4cde021fcaa22838c
+DIR(flif) := src/lib/flif
+
+DIRS := include/flif
+
+DIR_CONTENT(include/flif) := src/lib/flif/src/library/*.h
+
+PATCHES := src/lib/flif/getc.patch
+PATCH_OPT := -p1 -d src/lib/flif

recipes/api/libflif/content.mk

@@ -0,0 +1,13 @@
+content: include lib/symbols/libflif LICENSE
+
+PORT_DIR := $(call port_dir,$(REP_DIR)/ports/flif)
+
+include:
+	mkdir $@
+	cp -r $(PORT_DIR)/include/flif/* $@/
+
+lib/symbols/libflif:
+	$(mirror_from_rep_dir)
+
+LICENSE:
+	cp $(PORT_DIR)/src/lib/flif/LICENSE $@

recipes/api/libflif/hash

@@ -0,0 +1 @@
+2018-01-08 e29fbd904d0be604a4dc106496d008ddaf22ef21

recipes/src/libflif/api

@@ -0,0 +1 @@
+libflif

recipes/src/libflif/content.mk

@@ -0,0 +1,15 @@
+content: src/lib/flif lib/mk/libflif.mk LICENSE
+
+PORT_DIR := $(call port_dir,$(REP_DIR)/ports/flif)
+
+src/lib/flif:
+	$(mirror_from_rep_dir)
+	cp -r $(PORT_DIR)/src/lib/flif/* $@
+	echo "LIBS = libflif" > $@/target.mk
+
+lib/mk/libflif.mk:
+	$(mirror_from_rep_dir)
+
+LICENSE:
+	cp $(PORT_DIR)/src/lib/flif/LICENSE $@
+

recipes/src/libflif/hash

@@ -0,0 +1 @@
+2018-01-18 27afe64571626a3dd503fa285bddb48142b1e4d4

recipes/src/libflif/used_apis

@@ -0,0 +1,5 @@
+libc
+libpng
+so
+stdcxx
+zlib

src/lib/flif/getc.patch

@@ -0,0 +1,88 @@
+diff --git a/src/fileio.hpp b/src/fileio.hpp
+index 6e38b3b..3ac2975 100644
+--- a/src/fileio.hpp
++++ b/src/fileio.hpp
+@@ -49,7 +49,7 @@ public:
+     long ftell() {
+       return ::ftell(file);
+     }
+-    int getc() {
++    int get_c() {
+       return fgetc(file);
+     }
+     char * gets(char *buf, int n) {
+@@ -94,7 +94,7 @@ public:
+     long ftell() const {
+         return seek_pos;
+     }
+-    int getc() {
++    int get_c() {
+         if(seek_pos >= data_array_size)
+             return EOS;
+         return data[seek_pos++];
+@@ -205,7 +205,7 @@ public:
+     int ftell() const {
+         return seek_pos;
+     }
+-    int getc() {
++    int get_c() {
+         if(seek_pos >= bytes_used)
+             return EOS;
+         return data[seek_pos++];
+diff --git a/src/flif-dec.cpp b/src/flif-dec.cpp
+index 1439701..de68509 100644
+--- a/src/flif-dec.cpp
++++ b/src/flif-dec.cpp
+@@ -925,7 +925,7 @@ size_t read_big_endian_varint(IO& io) {
+     size_t result = 0;
+     int bytes_read = 0;
+     while (bytes_read++ < 10) {
+-      int number = io.getc();
++      int number = io.get_c();
+       if (number < 0) break;
+       if (number < 128) return result+number;
+       number -= 128;
+@@ -938,7 +938,7 @@ size_t read_big_endian_varint(IO& io) {
+ 
+ template <typename IO>
+ int read_chunk(IO& io, MetaData& metadata) {
+-    metadata.name[0] = io.getc();
++    metadata.name[0] = io.get_c();
+ //    printf("chunk: %s\n", metadata.name);
+     if (metadata.name[0] < 32) {
+       if (metadata.name[0] > 0) {
+@@ -958,7 +958,7 @@ int read_chunk(IO& io, MetaData& metadata) {
+ //    printf("chunk length: %lu\n", metadata.length);
+     metadata.contents.resize(metadata.length);
+     for(size_t i = 0; i < metadata.length; i++) {
+-        metadata.contents[i] = io.getc();
++        metadata.contents[i] = io.get_c();
+     }
+     return 0; // read next chunk
+ }
+diff --git a/src/io.hpp b/src/io.hpp
+index a356011..811f16e 100644
+--- a/src/io.hpp
++++ b/src/io.hpp
+@@ -29,7 +29,7 @@ int get_verbosity();
+ template<class IO>
+ bool ioget_int_8bit (IO& io, int* result)
+ {
+-    int c = io.getc();
++    int c = io.get_c();
+     if (c == io.EOS) {
+         e_printf ("Unexpected EOS");
+         return false;
+diff --git a/src/maniac/rac.hpp b/src/maniac/rac.hpp
+index ca4e8fa..3bdc1e6 100644
+--- a/src/maniac/rac.hpp
++++ b/src/maniac/rac.hpp
+@@ -61,7 +61,7 @@ private:
+     rac_t low;
+ private:
+     rac_t read_catch_eof() {
+-        rac_t c = io.getc();
++        rac_t c = io.get_c();
+         // no reason to branch here to catch end-of-stream, just return garbage (0xFF I guess) if a premature EOS happens
+         //if(c == io.EOS) return 0;
+         return c;