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authorClement Sibille <clements+git@lisible.xyz>2024-05-20 02:15:11 +0900
committerClement Sibille <clements+git@lisible.xyz>2024-05-20 02:15:11 +0900
commitc0d9501d787d9a61884233ecb63182a02e413f5f (patch)
tree4348356e2e3392f2895e63befdecfdddbf341d10 /lisiblepng/src/lisiblepng.c
parent378206a6b3d2859ee1d1dd79f4d31d7f5663d924 (diff)
Use lisiblestd-0.1.0
Diffstat (limited to 'lisiblepng/src/lisiblepng.c')
-rw-r--r--lisiblepng/src/lisiblepng.c133
1 files changed, 66 insertions, 67 deletions
diff --git a/lisiblepng/src/lisiblepng.c b/lisiblepng/src/lisiblepng.c
index 34040b8..fdcf053 100644
--- a/lisiblepng/src/lisiblepng.c
+++ b/lisiblepng/src/lisiblepng.c
@@ -1,8 +1,8 @@
#include "lisiblepng.h"
-#include "lisiblepng/assert.h"
#include "lisiblepng/deflate.h"
-#include "lisiblepng/log.h"
#include <errno.h>
+#include <lisiblestd/assert.h>
+#include <lisiblestd/log.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
@@ -82,23 +82,23 @@ struct LisPng {
};
LisPngColourType LisPng_colour_type(const LisPng *png) {
- ASSERT(png != NULL);
+ LSTD_ASSERT(png != NULL);
return png->colour_type;
}
uint8_t LisPng_bits_per_sample(const LisPng *png) {
- ASSERT(png != NULL);
+ LSTD_ASSERT(png != NULL);
return png->bits_per_sample;
}
uint8_t *LisPng_data_ptr(const LisPng *png) {
- ASSERT(png != NULL);
+ LSTD_ASSERT(png != NULL);
return png->data;
}
uint32_t LisPng_width(const LisPng *png) {
- ASSERT(png != NULL);
+ LSTD_ASSERT(png != NULL);
return png->width;
}
uint32_t LisPng_height(const LisPng *png) {
- ASSERT(png != NULL);
+ LSTD_ASSERT(png != NULL);
return png->height;
}
@@ -115,7 +115,7 @@ uint8_t LisPngColourType_sample_count(const LisPngColourType colour_type) {
case LisPngColourType_TruecolourWithAlpha:
return 4;
default:
- LPNG_LOG_ERR0("Unknown colour type");
+ LOG0_ERROR("Unknown colour type");
abort();
}
}
@@ -127,8 +127,8 @@ typedef struct {
} DeflateDecompressor;
void DeflateDecompressor_init(DeflateDecompressor *ctx, FILE *stream) {
- ASSERT(ctx != NULL);
- ASSERT(stream != NULL);
+ LSTD_ASSERT(ctx != NULL);
+ LSTD_ASSERT(stream != NULL);
ctx->stream = stream;
#ifdef LPNG_COMPUTE_CRC
ctx->computed_crc = 0xFFFFFFFFu;
@@ -136,7 +136,7 @@ void DeflateDecompressor_init(DeflateDecompressor *ctx, FILE *stream) {
}
void ParsingContext_crc_reset(DeflateDecompressor *ctx) {
- ASSERT(ctx != NULL);
+ LSTD_ASSERT(ctx != NULL);
#ifdef LPNG_COMPUTE_CRC
ctx->computed_crc = 0xFFFFFFFFu;
#endif // LPNG_COMPUTE_CRC
@@ -144,20 +144,20 @@ void ParsingContext_crc_reset(DeflateDecompressor *ctx) {
#ifdef LPNG_COMPUTE_CRC
uint32_t ParsingContext_computed_crc(DeflateDecompressor *ctx) {
- ASSERT(ctx != NULL);
+ LSTD_ASSERT(ctx != NULL);
return ctx->computed_crc ^ 0xFFFFFFFFu;
}
#endif // LPNG_COMPUTE_CRC
long ParsingContext_cursor_position(DeflateDecompressor *ctx) {
- ASSERT(ctx != NULL);
+ LSTD_ASSERT(ctx != NULL);
return ftell(ctx->stream);
}
bool ParsingContext_skip_bytes(DeflateDecompressor *ctx, size_t byte_count) {
- ASSERT(ctx != NULL);
+ LSTD_ASSERT(ctx != NULL);
if (fseek(ctx->stream, byte_count, SEEK_CUR) != 0) {
- LPNG_LOG_ERR("Couldn't skip bytes: %s", strerror(errno));
+ LOG_ERROR("Couldn't skip bytes: %s", strerror(errno));
return false;
}
@@ -166,10 +166,10 @@ bool ParsingContext_skip_bytes(DeflateDecompressor *ctx, size_t byte_count) {
bool ParsingContext_parse_bytes(DeflateDecompressor *ctx, size_t byte_count,
uint8_t *output_buffer) {
- ASSERT(ctx != NULL);
- ASSERT(output_buffer != NULL);
+ LSTD_ASSERT(ctx != NULL);
+ LSTD_ASSERT(output_buffer != NULL);
if (fread(output_buffer, 1, byte_count, ctx->stream) < byte_count) {
- LPNG_LOG_ERR0("Couldn't parse bytes, EOF reached");
+ LOG0_ERROR("Couldn't parse bytes, EOF reached");
return false;
}
@@ -185,8 +185,8 @@ bool ParsingContext_parse_bytes(DeflateDecompressor *ctx, size_t byte_count,
bool ParsingContext_parse_uint32_t(DeflateDecompressor *ctx,
uint32_t *output_u32) {
- ASSERT(ctx != NULL);
- ASSERT(output_u32 != NULL);
+ LSTD_ASSERT(ctx != NULL);
+ LSTD_ASSERT(output_u32 != NULL);
uint8_t bytes[4];
if (!ParsingContext_parse_bytes(ctx, 4, bytes)) {
return false;
@@ -198,8 +198,8 @@ bool ParsingContext_parse_uint32_t(DeflateDecompressor *ctx,
bool ParsingContext_parse_uint8_t(DeflateDecompressor *ctx,
uint8_t *output_u8) {
- ASSERT(ctx != NULL);
- ASSERT(output_u8 != NULL);
+ LSTD_ASSERT(ctx != NULL);
+ LSTD_ASSERT(output_u8 != NULL);
if (!ParsingContext_parse_bytes(ctx, 1, output_u8)) {
return false;
}
@@ -233,18 +233,17 @@ typedef struct {
} ImageData;
void ImageHeader_print_image_header(const ImageHeader *image_header) {
- ASSERT(image_header != NULL);
- LPNG_LOG_DBG("Image header:\n"
- "- dimensions: %dx%d\n"
- "- bit depth: %d\n"
- "- colour type: %d\n"
- "- compression method: %d\n"
- "- filter method: %d\n"
- "- interlace method: %d",
- image_header->width, image_header->height,
- image_header->bit_depth, image_header->colour_type,
- image_header->compression_method, image_header->filter_method,
- image_header->interlace_method);
+ LSTD_ASSERT(image_header != NULL);
+ LOG_DEBUG("Image header:\n"
+ "- dimensions: %dx%d\n"
+ "- bit depth: %d\n"
+ "- colour type: %d\n"
+ "- compression method: %d\n"
+ "- filter method: %d\n"
+ "- interlace method: %d",
+ image_header->width, image_header->height, image_header->bit_depth,
+ image_header->colour_type, image_header->compression_method,
+ image_header->filter_method, image_header->interlace_method);
}
bool ParsingContext_validate_crc_if_required(DeflateDecompressor *ctx) {
@@ -253,7 +252,7 @@ bool ParsingContext_validate_crc_if_required(DeflateDecompressor *ctx) {
uint32_t crc;
PARSE_FIELD(uint32_t, crc);
if (computed_crc != crc) {
- LPNG_LOG_ERR0("Invalid CRC checksum");
+ LOG0_ERROR("Invalid CRC checksum");
return false;
}
#else
@@ -269,8 +268,8 @@ bool is_valid_bit_depth(uint8_t bit_depth) {
}
bool parse_IHDR_chunk(DeflateDecompressor *ctx, ImageHeader *image_header) {
- ASSERT(ctx != NULL);
- ASSERT(image_header != NULL);
+ LSTD_ASSERT(ctx != NULL);
+ LSTD_ASSERT(image_header != NULL);
uint32_t length;
PARSE_FIELD(uint32_t, length);
@@ -280,7 +279,7 @@ bool parse_IHDR_chunk(DeflateDecompressor *ctx, ImageHeader *image_header) {
uint32_t type;
PARSE_FIELD(uint32_t, type);
if (type != IHDR_CHUNK_TYPE) {
- LPNG_LOG_ERR0("Expected IHDR chunk");
+ LOG0_ERROR("Expected IHDR chunk");
return false;
}
@@ -289,7 +288,7 @@ bool parse_IHDR_chunk(DeflateDecompressor *ctx, ImageHeader *image_header) {
PARSE_FIELD(uint32_t, image_header->height);
PARSE_FIELD(uint8_t, image_header->bit_depth);
if (!is_valid_bit_depth(image_header->bit_depth)) {
- LPNG_LOG_ERR("Invalid bitdepth: %d", image_header->bit_depth);
+ LOG_ERROR("Invalid bitdepth: %d", image_header->bit_depth);
return false;
}
PARSE_FIELD(uint8_t, image_header->colour_type);
@@ -297,7 +296,7 @@ bool parse_IHDR_chunk(DeflateDecompressor *ctx, ImageHeader *image_header) {
PARSE_FIELD(uint8_t, image_header->filter_method);
PARSE_FIELD(uint8_t, image_header->interlace_method);
long read_data_length = ParsingContext_cursor_position(ctx) - data_start;
- ASSERT(read_data_length == length);
+ LSTD_ASSERT(read_data_length == length);
if (!ParsingContext_validate_crc_if_required(ctx)) {
return false;
@@ -308,8 +307,8 @@ bool parse_IHDR_chunk(DeflateDecompressor *ctx, ImageHeader *image_header) {
bool parse_IDAT_chunk(DeflateDecompressor *decompressor, uint32_t data_length,
ImageData *image_data) {
- ASSERT(decompressor != NULL);
- ASSERT(image_data != NULL);
+ LSTD_ASSERT(decompressor != NULL);
+ LSTD_ASSERT(image_data != NULL);
image_data->data =
realloc(image_data->data, image_data->length + data_length);
@@ -328,7 +327,7 @@ bool parse_IDAT_chunk(DeflateDecompressor *decompressor, uint32_t data_length,
Palette *parse_PLTE_chunk(DeflateDecompressor *decompressor,
uint32_t data_length) {
- ASSERT(decompressor != NULL);
+ LSTD_ASSERT(decompressor != NULL);
if (data_length % 3 != 0) {
return NULL;
}
@@ -420,10 +419,10 @@ void apply_reconstruction_functions_to_scanline(
uint8_t *output_scanline, const uint8_t *input_scanline,
const uint8_t *previous_output_scanline, size_t filter_type,
size_t scanline_size, size_t bytes_per_pixel) {
- ASSERT(output_scanline != NULL);
- ASSERT(input_scanline != NULL);
- ASSERT(filter_type <
- sizeof(reconstruction_functions) / sizeof(ReconstructionFn));
+ LSTD_ASSERT(output_scanline != NULL);
+ LSTD_ASSERT(input_scanline != NULL);
+ LSTD_ASSERT(filter_type <
+ sizeof(reconstruction_functions) / sizeof(ReconstructionFn));
for (size_t i = 0; i < scanline_size / bytes_per_pixel; i++) {
for (size_t byte = 0; byte < bytes_per_pixel; byte++) {
@@ -451,8 +450,8 @@ void apply_reconstruction_functions_to_scanline(
void apply_reconstruction_functions(LisPng *image,
const uint8_t *decompressed_data_buffer) {
- ASSERT(image != NULL);
- ASSERT(decompressed_data_buffer != NULL);
+ LSTD_ASSERT(image != NULL);
+ LSTD_ASSERT(decompressed_data_buffer != NULL);
size_t sample_count = LisPngColourType_sample_count(image->colour_type);
size_t bits_per_pixel = (image->bits_per_sample * sample_count);
size_t bytes_per_pixel = bits_per_pixel / 8;
@@ -486,12 +485,12 @@ LisPng *LisPng_decode(FILE *stream) {
uint8_t parsed_png_signature[PNG_SIGNATURE_LENGTH];
if (!ParsingContext_parse_bytes(&ctx, PNG_SIGNATURE_LENGTH,
parsed_png_signature)) {
- LPNG_LOG_ERR0("Couldn't parse signature");
+ LOG0_ERROR("Couldn't parse signature");
goto err;
}
if (!matches_png_signature(parsed_png_signature)) {
- LPNG_LOG_ERR0("Invalid signature");
+ LOG0_ERROR("Invalid signature");
goto err;
}
@@ -509,27 +508,27 @@ LisPng *LisPng_decode(FILE *stream) {
while (!end_reached) {
uint32_t length;
if (!ParsingContext_parse_uint32_t(&ctx, &length)) {
- LPNG_LOG_ERR0("Couldn't parse chunk length");
+ LOG0_ERROR("Couldn't parse chunk length");
goto cleanup_data;
}
ParsingContext_crc_reset(&ctx);
uint32_t type;
if (!ParsingContext_parse_uint32_t(&ctx, &type)) {
- LPNG_LOG_ERR0("Couldn't parse chunk type");
+ LOG0_ERROR("Couldn't parse chunk type");
goto cleanup_data;
}
#ifdef LPNG_DEBUG_LOG
uint32_t type_le = uint32_t_to_le(type);
- LPNG_LOG_DBG("Parsing %.4s chunk", (char *)&type_le);
- LPNG_LOG_DBG("Chunk length: %u", length);
+ LOG_DEBUG("Parsing %.4s chunk", (char *)&type_le);
+ LOG_DEBUG("Chunk length: %u", length);
#endif
switch (type) {
case IDAT_CHUNK_TYPE:
if (!parse_IDAT_chunk(&ctx, length, &image_data)) {
- LPNG_LOG_ERR0("Couldn't parse IDAT chunk");
+ LOG0_ERROR("Couldn't parse IDAT chunk");
goto cleanup_data;
}
parsed_data_chunk_count++;
@@ -541,23 +540,23 @@ LisPng *LisPng_decode(FILE *stream) {
case PLTE_CHUNK_TYPE:
palette = parse_PLTE_chunk(&ctx, length);
if (!palette) {
- LPNG_LOG_ERR0("Couldn't parse PLTE chunk");
+ LOG0_ERROR("Couldn't parse PLTE chunk");
goto cleanup_data;
}
break;
default:
- LPNG_LOG_DBG0("Unknown chunk type, skipping chunk...");
+ LOG0_DEBUG("Unknown chunk type, skipping chunk...");
ParsingContext_skip_bytes(&ctx, length + sizeof(uint32_t));
break;
}
}
if (parsed_data_chunk_count == 0) {
- LPNG_LOG_ERR0("No IDAT chunk found, at least one is required");
+ LOG0_ERROR("No IDAT chunk found, at least one is required");
goto cleanup_data;
}
- LPNG_LOG_DBG("Data length: %zu", image_data.length);
+ LOG_DEBUG("Data length: %zu", image_data.length);
png->width = header.width;
png->height = header.height;
png->colour_type = header.colour_type;
@@ -583,8 +582,8 @@ err:
#undef PARSE_FIELD
void LisPng_write_RGBA8_data(const LisPng *png, uint8_t *output_data) {
- ASSERT(png != NULL);
- ASSERT(output_data != NULL);
+ LSTD_ASSERT(png != NULL);
+ LSTD_ASSERT(output_data != NULL);
static const int TARGET_BYTES_PER_PIXEL = 4;
size_t sample_count = LisPngColourType_sample_count(png->colour_type);
size_t bits_per_pixel = png->bits_per_sample * sample_count;
@@ -599,7 +598,7 @@ void LisPng_write_RGBA8_data(const LisPng *png, uint8_t *output_data) {
size_t target_pixel_base = pixel_index * TARGET_BYTES_PER_PIXEL;
if (png->colour_type == LisPngColourType_IndexedColour) {
- ASSERT(png->palette != NULL);
+ LSTD_ASSERT(png->palette != NULL);
size_t absolute_bit_offset = pixel_index * bits_per_pixel;
size_t byte_offset = absolute_bit_offset / 8;
size_t relative_bit_offset = absolute_bit_offset % 8;
@@ -653,7 +652,7 @@ void LisPng_write_RGBA8_data(const LisPng *png, uint8_t *output_data) {
output_data[target_pixel_base + 3] = 0xFF;
}
} else {
- LPNG_LOG_ERR0("Unsupported colour type");
+ LOG0_ERROR("Unsupported colour type");
exit(1);
}
}
@@ -668,7 +667,7 @@ void LisPng_destroy(LisPng *png) {
free(png);
}
void LisPng_dump_ppm(const LisPng *png) {
- ASSERT(png != NULL);
+ LSTD_ASSERT(png != NULL);
printf("P3\n");
printf("%zu %zu\n", png->width, png->height);
if (png->colour_type == LisPngColourType_IndexedColour) {
@@ -686,7 +685,7 @@ void LisPng_dump_ppm(const LisPng *png) {
pixel_index++) {
size_t pixel_base = pixel_index * bytes_per_pixel;
if (png->colour_type == LisPngColourType_IndexedColour) {
- ASSERT(png->palette != NULL);
+ LSTD_ASSERT(png->palette != NULL);
size_t absolute_bit_offset = pixel_index * bits_per_pixel;
size_t byte_offset = absolute_bit_offset / 8;
size_t relative_bit_offset = absolute_bit_offset % 8;
@@ -724,7 +723,7 @@ void LisPng_dump_ppm(const LisPng *png) {
printf("%u %u %u\n", r, g, b);
}
} else {
- LPNG_LOG_ERR0("Unsupported colour type");
+ LOG0_ERROR("Unsupported colour type");
exit(1);
}
}
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