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uncompress now works?

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Luna 2025-07-07 08:50:33 +02:00
parent 4150eec1d6
commit 0e03adb88e
1 changed files with 3 additions and 3 deletions
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6
lily_png.cpp
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@ -1,4 +1,5 @@
#include "lily_png.h" #include "lily_png.h"
#include <math.h>
static metadata parse_metadata(buffer &data) static metadata parse_metadata(buffer &data)
{ {
@ -117,8 +118,7 @@ buffer_unsigned read_png(const std::string &file_path)
meta = parse_metadata(std::get<0>(data)); meta = parse_metadata(std::get<0>(data));
else if (strcmp("IDAT", std::get<1>(chunk_head).data) == 0) else if (strcmp("IDAT", std::get<1>(chunk_head).data) == 0)
{ {
buffer &temp_buf = std::get<0>(data); image_data_concat.write(reinterpret_cast<unsigned char *>(std::get<0>(data).data), std::get<0>(data).size);
image_data_concat.write(reinterpret_cast<unsigned char *>(temp_buf.data), temp_buf.size);
} }
else if (strcmp("IEND",std::get<1>(chunk_head).data) == 0) else if (strcmp("IEND",std::get<1>(chunk_head).data) == 0)
break; break;
@ -128,7 +128,7 @@ buffer_unsigned read_png(const std::string &file_path)
std::println("Allocations {}", image_data_concat.allocations); std::println("Allocations {}", image_data_concat.allocations);
image_data.allocate(get_uncompressed_size(meta)); image_data.allocate(get_uncompressed_size(meta));
size_t prev_allocated = image_data.allocated; size_t prev_allocated = image_data.allocated;
int r = uncompress(image_data.data, &prev_allocated, image_data_concat.data, image_data_concat.size); int r = uncompress(image_data.data, &prev_allocated, image_data_concat.data, image_data_concat.allocated);
if (r != Z_OK) if (r != Z_OK)
{ {
std::println("Uncompress failed {}", r); std::println("Uncompress failed {}", r);