Adapted to buffer redesign of file_reader

This commit is contained in:
Luna 2025-07-17 22:12:17 +02:00
parent 7f10b384f9
commit c29922ce2a
8 changed files with 17 additions and 17 deletions

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@ -4,6 +4,7 @@ project(lily_png)
set(CMAKE_CXX_STANDARD 23) set(CMAKE_CXX_STANDARD 23)
add_subdirectory(file_reader) add_subdirectory(file_reader)
target_include_directories(file_read INTERFACE "file_reader")
find_package(ZLIB) find_package(ZLIB)
add_library(lily_png STATIC src/lily_png.cpp add_library(lily_png STATIC src/lily_png.cpp
@ -13,5 +14,5 @@ add_library(lily_png STATIC src/lily_png.cpp
src/utils.h src/utils.h
src/filter.cpp src/filter.cpp
src/filter.h) src/filter.h)
target_link_libraries(lily_png file_read ZLIB::ZLIB) target_link_libraries(lily_png PRIVATE file_read ZLIB::ZLIB)

@ -1 +1 @@
Subproject commit f8f0ef364ee87473300ff2f51e192465843e0a8c Subproject commit ec3d79677455c47c31f3244a763d53933da84eb8

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@ -43,7 +43,7 @@ void filter_scanline(unsigned char *scanline, unsigned char *previous_scanline,
} }
} }
void filter(buffer_unsigned &data, buffer_unsigned &dest ,metadata &meta) void filter(buffer<unsigned char> &data, buffer<unsigned char> &dest ,metadata &meta)
{ {
unsigned long index = 0; unsigned long index = 0;
unsigned long index_dest = 0; unsigned long index_dest = 0;

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@ -2,5 +2,5 @@
#include "utils.h" #include "utils.h"
void filter_scanline(unsigned char *scanline, unsigned char *previous_scanline, unsigned char *dest, metadata &meta, unsigned char filter_type); void filter_scanline(unsigned char *scanline, unsigned char *previous_scanline, unsigned char *dest, metadata &meta, unsigned char filter_type);
void filter(buffer_unsigned &data, buffer_unsigned &dest ,metadata &meta); void filter(buffer<unsigned char> &data, buffer<unsigned char> &dest ,metadata &meta);

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@ -3,7 +3,7 @@
std::vector<color> palette; std::vector<color> palette;
bool palette_found = false; bool palette_found = false;
static void read_raw_data(const std::string &file_path, buffer_unsigned &data, metadata &meta) static void read_raw_data(const std::string &file_path, buffer<unsigned char> &data, metadata &meta)
{ {
std::println("Zlib version is {}", zlibVersion()); std::println("Zlib version is {}", zlibVersion());
unsigned char magic[9] = {137, 80, 78, 71, 13, 10, 26, 10}; unsigned char magic[9] = {137, 80, 78, 71, 13, 10, 26, 10};
@ -15,10 +15,10 @@ static void read_raw_data(const std::string &file_path, buffer_unsigned &data, m
std::println("File is not a png!"); std::println("File is not a png!");
return ; return ;
} }
buffer_unsigned raw_dat{}; buffer<unsigned char> raw_dat{};
while (true) while (true)
{ {
std::tuple<unsigned int, buffer> chunk_header; std::tuple<unsigned int, buffer<char>> chunk_header;
std::get<1>(chunk_header).size = 4; std::get<1>(chunk_header).size = 4;
auto ret = reader.read_from_tuple(chunk_header); auto ret = reader.read_from_tuple(chunk_header);
if (ret.second == READ_FILE_ENDED || ret.second == READ_INCOMPLETE) if (ret.second == READ_FILE_ENDED || ret.second == READ_INCOMPLETE)
@ -29,9 +29,9 @@ static void read_raw_data(const std::string &file_path, buffer_unsigned &data, m
unsigned int size = std::get<0>(chunk_header); unsigned int size = std::get<0>(chunk_header);
//std::println("Chunk type {} Size {}", std::get<1>(chunk_header).data, std::get<0>(chunk_header)); //std::println("Chunk type {} Size {}", std::get<1>(chunk_header).data, std::get<0>(chunk_header));
buffer_unsigned raw_data{}; buffer<unsigned char> raw_data{};
raw_data.size = std::get<0>(chunk_header); raw_data.size = std::get<0>(chunk_header);
std::tuple<buffer, unsigned> dat; std::tuple<buffer<char>, unsigned> dat;
std::get<0>(dat).size = std::get<0>(chunk_header); std::get<0>(dat).size = std::get<0>(chunk_header);
ret = reader.read_from_tuple(dat); ret = reader.read_from_tuple(dat);
if (ret.second == READ_FILE_ENDED || ret.second == READ_INCOMPLETE) if (ret.second == READ_FILE_ENDED || ret.second == READ_INCOMPLETE)
@ -100,7 +100,7 @@ static void apply_palette_scanline(unsigned char *scanline, unsigned char *dest,
} }
} }
static void apply_palette(buffer_unsigned &data, buffer_unsigned &dest, metadata &meta) static void apply_palette(buffer<unsigned char> &data, buffer<unsigned char> &dest, metadata &meta)
{ {
unsigned long index = 0; unsigned long index = 0;
unsigned long index_dest = 0; unsigned long index_dest = 0;
@ -120,14 +120,14 @@ static void apply_palette(buffer_unsigned &data, buffer_unsigned &dest, metadata
} }
} }
void read_png(const std::string &file_path, buffer_unsigned &data) void read_png(const std::string &file_path, buffer<unsigned char> &data)
{ {
buffer_unsigned tmp_data{}; buffer<unsigned char> tmp_data{};
metadata meta{0}; metadata meta{0};
read_raw_data(file_path, tmp_data, meta); read_raw_data(file_path, tmp_data, meta);
if (palette_found == true) if (palette_found == true)
{ {
buffer_unsigned dest_palette{}; buffer<unsigned char> dest_palette{};
apply_palette(tmp_data, dest_palette, meta); apply_palette(tmp_data, dest_palette, meta);
tmp_data = dest_palette; tmp_data = dest_palette;
} }

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@ -2,7 +2,6 @@
#include "../file_reader/src/file_read.h" #include "../file_reader/src/file_read.h"
#include <string> #include <string>
#include <iostream>
#include <vector> #include <vector>
#include "utils.h" #include "utils.h"
#include "filter.h" #include "filter.h"
@ -15,4 +14,4 @@ struct color
unsigned char b = 0; unsigned char b = 0;
}; };
void read_png(const std::string &file_path, buffer_unsigned &data); void read_png(const std::string &file_path, buffer<unsigned char> &data);

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@ -1,7 +1,7 @@
#include "metadata.h" #include "metadata.h"
metadata parse_metadata(buffer &data) metadata parse_metadata(buffer<char> &data)
{ {
std::tuple<unsigned int, unsigned int, char, char, char, char, char> meta; std::tuple<unsigned int, unsigned int, char, char, char, char, char> meta;
constexpr std::size_t size = std::tuple_size_v<decltype(meta)>; constexpr std::size_t size = std::tuple_size_v<decltype(meta)>;

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@ -12,4 +12,4 @@ struct metadata
char interface; char interface;
}; };
metadata parse_metadata(buffer &data); metadata parse_metadata(buffer<char> &data);