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example1: use crn_platform
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@illwieckz
illwieckz committed Jun 25, 2024
1 parent 672055e commit d678cbf
Showing 1 changed file with 29 additions and 25 deletions.
54 changes: 29 additions & 25 deletions example1/example1.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,8 @@
// .DDS file format definitions.
#include "dds_defs.h"

#include "crn_platform.h"

// stb_image, for loading/saving image files.
#ifdef _MSC_VER
#pragma warning(disable : 4244) // conversion from 'int' to 'uint8', possible loss of data
Expand Down Expand Up @@ -71,7 +73,7 @@ static int error(const char* pMsg, ...) {
va_list args;
va_start(args, pMsg);
char buf[512];
vsprintf_s(buf, sizeof(buf), pMsg, args);
crnlib_vsnprintf(buf, sizeof(buf), pMsg, args);
va_end(args);
printf("%s", buf);
return EXIT_FAILURE;
Expand All @@ -82,7 +84,7 @@ static crn_uint8* read_file_into_buffer(const char* pFilename, crn_uint32& size)
size = 0;

FILE* pFile = NULL;
fopen_s(&pFile, pFilename, "rb");
crn_fopen(&pFile, pFilename, "rb");
if (!pFile)
return NULL;

Expand Down Expand Up @@ -260,54 +262,54 @@ int main(int argc, char* argv[]) {
if (argv[i][0] == '/')
argv[i][0] = '-';

if (!_stricmp(argv[i], "-crn")) {
if (!crnlib_stricmp(argv[i], "-crn")) {
output_crn = true;
} else if (!_stricmp(argv[i], "-pixelformat")) {
} else if (!crnlib_stricmp(argv[i], "-pixelformat")) {
if (++i >= argc)
return error("Expected pixel format!");

if (!_stricmp(argv[i], "dxt1a")) {
if (!crnlib_stricmp(argv[i], "dxt1a")) {
enable_dxt1a = true;
fmt = cCRNFmtDXT1;
} else {
uint f;
for (f = 0; f < cCRNFmtTotal; f++) {
if (!_stricmp(argv[i], crn_get_format_string(static_cast<crn_format>(f)))) {
if (!crnlib_stricmp(argv[i], crn_get_format_string(static_cast<crn_format>(f)))) {
fmt = static_cast<crn_format>(f);
break;
}
}
if (f == cCRNFmtTotal)
return error("Unrecognized pixel format: %s\n", argv[i]);
}
} else if (!_stricmp(argv[i], "-bitrate")) {
} else if (!crnlib_stricmp(argv[i], "-bitrate")) {
if (++i >= argc)
return error("Invalid bitrate!");

bitrate = (float)atof(argv[i]);
if ((bitrate < .1f) || (bitrate > 8.0f))
return error("Invalid bitrate!");
} else if (!_stricmp(argv[i], "-quality")) {
} else if (!crnlib_stricmp(argv[i], "-quality")) {
if (++i >= argc)
return error("Invalid quality level!");

quality_level = atoi(argv[i]);
if ((quality_level < 0) || (quality_level > cCRNMaxQualityLevel))
return error("Invalid quality level!");
} else if (!_stricmp(argv[i], "-out")) {
} else if (!crnlib_stricmp(argv[i], "-out")) {
if (++i >= argc)
return error("Expected output filename!");

strcpy_s(out_filename, sizeof(out_filename), argv[i]);
} else if (!_stricmp(argv[i], "-nonsrgb"))
} else if (!crnlib_stricmp(argv[i], "-nonsrgb"))
srgb_colorspace = false;
else if (!_stricmp(argv[i], "-nomips"))
else if (!crnlib_stricmp(argv[i], "-nomips"))
create_mipmaps = false;
else if (!_stricmp(argv[i], "-noAdaptiveBlocks"))
else if (!crnlib_stricmp(argv[i], "-noAdaptiveBlocks"))
use_adaptive_block_sizes = false;
else if (!_stricmp(argv[i], "-setalphatoluma"))
else if (!crnlib_stricmp(argv[i], "-setalphatoluma"))
set_alpha_to_luma = true;
else if (!_stricmp(argv[i], "-converttoluma"))
else if (!crnlib_stricmp(argv[i], "-converttoluma"))
convert_to_luma = true;
else
return error("Invalid option: %s\n", argv[i]);
Expand All @@ -326,12 +328,12 @@ int main(int argc, char* argv[]) {

if (mode == 'i') {
// Information
if (_stricmp(ext_buf, ".crn") == 0) {
if (crnlib_stricmp(ext_buf, ".crn") == 0) {
if (!print_crn_info(pSrc_file_data, src_file_size)) {
free(pSrc_file_data);
return error("Not a CRN file!\n");
}
} else if (_stricmp(ext_buf, ".dds") == 0) {
} else if (crnlib_stricmp(ext_buf, ".dds") == 0) {
if (!print_dds_info(pSrc_file_data, src_file_size)) {
free(pSrc_file_data);
return error("Not a DDS file!\n");
Expand All @@ -355,9 +357,9 @@ int main(int argc, char* argv[]) {
if (out_filename[0]) {
char out_fname_buf[_MAX_FNAME], out_ext_buf[_MAX_EXT];
_splitpath_s(out_filename, NULL, 0, NULL, 0, out_fname_buf, _MAX_FNAME, out_ext_buf, _MAX_EXT);
if (!_stricmp(out_ext_buf, ".crn"))
if (!crnlib_stricmp(out_ext_buf, ".crn"))
output_crn = true;
else if (!_stricmp(out_ext_buf, ".dds"))
else if (!crnlib_stricmp(out_ext_buf, ".dds"))
output_crn = false;
}

Expand Down Expand Up @@ -450,12 +452,13 @@ int main(int argc, char* argv[]) {

// Write the output file.
char dst_filename[FILENAME_MAX];
sprintf_s(dst_filename, sizeof(dst_filename), "%s%s%s%s", drive_buf, dir_buf, fname_buf, output_crn ? ".crn" : ".dds");
crnlib_snprintf(dst_filename, sizeof(dst_filename), "%s%s%s%s", drive_buf, dir_buf, fname_buf, output_crn ? ".crn" : ".dds");
if (out_filename[0])
strcpy(dst_filename, out_filename);

printf("Writing %s file: %s\n", output_crn ? "CRN" : "DDS", dst_filename);
FILE* pFile = fopen(dst_filename, "wb");
FILE* pFile = NULL;
crn_fopen(&pFile, dst_filename, "wb");
if ((!pFile) || (fwrite(pOutput_file_data, output_file_size, 1, pFile) != 1) || (fclose(pFile) == EOF)) {
free(pSrc_file_data);
crn_free_block(pOutput_file_data);
Expand All @@ -465,7 +468,7 @@ int main(int argc, char* argv[]) {

crn_free_block(pOutput_file_data);
stbi_image_free(pSrc_image);
} else if (_stricmp(ext_buf, ".crn") == 0) {
} else if (crnlib_stricmp(ext_buf, ".crn") == 0) {
// Decompress/transcode CRN to DDS.
printf("Decompressing CRN to DDS\n");

Expand All @@ -479,12 +482,13 @@ int main(int argc, char* argv[]) {

// Now write the DDS file to disk.
char dst_filename[FILENAME_MAX];
sprintf_s(dst_filename, sizeof(dst_filename), "%s%s%s.dds", drive_buf, dir_buf, fname_buf);
crnlib_snprintf(dst_filename, sizeof(dst_filename), "%s%s%s.dds", drive_buf, dir_buf, fname_buf);
if (out_filename[0])
strcpy(dst_filename, out_filename);

printf("Writing file: %s\n", dst_filename);
FILE* pFile = fopen(dst_filename, "wb");
FILE* pFile = NULL;
crn_fopen(&pFile, dst_filename, "wb");
if ((!pFile) || (fwrite(pDDS_file_data, dds_file_size, 1, pFile) != 1) || (fclose(pFile) == EOF)) {
crn_free_block(pDDS_file_data);
free(pSrc_file_data);
Expand All @@ -496,7 +500,7 @@ int main(int argc, char* argv[]) {
print_dds_info(pDDS_file_data, dds_file_size);

crn_free_block(pDDS_file_data);
} else if (_stricmp(ext_buf, ".dds") == 0) {
} else if (crnlib_stricmp(ext_buf, ".dds") == 0) {
// Unpack DDS to one or more TGA's.
if (out_filename[0])
_splitpath_s(out_filename, drive_buf, _MAX_DRIVE, dir_buf, _MAX_DIR, fname_buf, _MAX_FNAME, ext_buf, _MAX_EXT);
Expand All @@ -521,7 +525,7 @@ int main(int argc, char* argv[]) {
int height = std::max(1U, tex_desc.m_height >> level_index);

char dst_filename[FILENAME_MAX];
sprintf_s(dst_filename, sizeof(dst_filename), "%s%s%s_face%u_mip%u.tga", drive_buf, dir_buf, fname_buf, face_index, level_index);
crnlib_snprintf(dst_filename, sizeof(dst_filename), "%s%s%s_face%u_mip%u.tga", drive_buf, dir_buf, fname_buf, face_index, level_index);

printf("Writing file: %s\n", dst_filename);
if (!stbi_write_tga(dst_filename, width, height, 4, pImages[level_index + face_index * tex_desc.m_levels])) {
Expand Down

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