diff options
author | Pixel <pixel@nobis-crew.org> | 2009-11-04 11:56:41 -0800 |
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committer | Pixel <pixel@nobis-crew.org> | 2009-11-04 11:59:33 -0800 |
commit | d577d991b97ae2b5ee1af23641bcffc3f83af5b2 (patch) | |
tree | 590639d50205d1bcfaff2a7d2dc6ebf3f373c7ed /im/test/im_info.cpp |
Initial import. Contains the im, cd and iup librairies, and a "working" Makefile for them under linux.
Diffstat (limited to 'im/test/im_info.cpp')
-rw-r--r-- | im/test/im_info.cpp | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/im/test/im_info.cpp b/im/test/im_info.cpp new file mode 100644 index 0000000..89ec8c4 --- /dev/null +++ b/im/test/im_info.cpp @@ -0,0 +1,211 @@ +/* IM 3 sample that returns information about a file. + + Needs "im.lib". + + Usage: im_info <file_name> + + Example: im_info test.tif +*/ + +#include <im.h> +#include <im_util.h> +#include <im_binfile.h> +#include <im_format_jp2.h> +#include <im_format_avi.h> +#include <im_format_wmv.h> + +#include <stdio.h> +#include <stdlib.h> +#include <memory.h> + +void PrintError(int error) +{ + switch (error) + { + case IM_ERR_OPEN: + printf("Error Opening File.\n"); + break; + case IM_ERR_MEM: + printf("Insuficient memory.\n"); + break; + case IM_ERR_ACCESS: + printf("Error Accessing File.\n"); + break; + case IM_ERR_DATA: + printf("Image type not Suported.\n"); + break; + case IM_ERR_FORMAT: + printf("Invalid Format.\n"); + break; + case IM_ERR_COMPRESS: + printf("Invalid or unsupported compression.\n"); + break; + default: + printf("Unknown Error.\n"); + } +} + +int FindZero(imbyte* data, int count) +{ + for (int i = 0; i < count; i++) + { + if (data[i] == 0) + return 1; + } + return 0; +} + +char* AttribData2Str(const void* data, int data_type) +{ + static char data_str[50] = ""; + + switch(data_type) + { + case IM_BYTE: + sprintf(data_str, "%3d", (int)(*((imbyte*)data))); + break; + case IM_USHORT: + sprintf(data_str, "%5d", (int)(*((imushort*)data))); + break; + case IM_INT: + sprintf(data_str, "%5d", *((int*)data)); + break; + case IM_FLOAT: + sprintf(data_str, "%5.2f", (double)(*((float*)data))); + break; + case IM_CFLOAT: + { + float *c = (float*)data; + sprintf(data_str, "%5.2g, %5.2f", (double)*c, (double)*(c+1)); + } + break; + } + + return data_str; +} + +char* GetSizeDesc(double *size) +{ + char* size_desc; + + if (*size < 1024) + size_desc = "b"; + else + { + *size /= 1024; + + if (*size < 1024) + size_desc = "Kb"; + else + { + *size /= 1024; + size_desc = "Mb"; + } + } + + return size_desc; +} + +unsigned long FileSize(const char* file_name) +{ + imBinFile* bfile = imBinFileOpen(file_name); + if (!bfile) return 0; + + unsigned long file_size = imBinFileSize(bfile); + + imBinFileClose(bfile); + return file_size; +} + +void PrintImageInfo(const char* file_name) +{ + printf("IM Info\n"); + printf(" File Name:\n %s\n", file_name); + + int error; + imFile* ifile = imFileOpen(file_name, &error); + if (!ifile) + { + PrintError(error); + return; + } + + double file_size = FileSize(file_name); + printf(" File Size: %.2f %s\n", file_size, GetSizeDesc(&file_size)); + + char format[10]; + char compression[20]; + int image_count; + imFileGetInfo(ifile, format, compression, &image_count); + + char format_desc[50]; + imFormatInfo(format, format_desc, NULL, NULL); + printf(" Format: %s - %s\n", format, format_desc); + printf(" Compression: %s\n", compression); + printf(" Image Count: %d\n", image_count); + + for (int i = 0; i < image_count; i++) + { + int width, height, color_mode, data_type; + + error = imFileReadImageInfo(ifile, i, &width, &height, &color_mode, &data_type); + if (error != IM_ERR_NONE) + { + PrintError(error); + imFileClose(ifile); + return; + } + + printf(" Image #%d\n", i); + printf(" Width: %d\n", width); + printf(" Height: %d\n", height); + printf(" Color Space: %s\n", imColorModeSpaceName(color_mode)); + printf(" Has Alpha: %s\n", imColorModeHasAlpha(color_mode)? "Yes": "No"); + printf(" Is Packed: %s\n", imColorModeIsPacked(color_mode)? "Yes": "No"); + printf(" Is Top Down: %s\n", imColorModeIsTopDown(color_mode)? "Yes": "No"); + printf(" Data Type: %s\n", imDataTypeName(data_type)); + + double image_size = imImageDataSize(width, height, color_mode, data_type); + printf(" Data Size: %.2f %s\n", image_size, GetSizeDesc(&image_size)); + + char* attrib_list[50]; // should be dynamic allocated + int attrib_list_count; + imFileGetAttributeList(ifile, attrib_list, &attrib_list_count); + + for (int a = 0; a < attrib_list_count; a++) + { + if (a == 0) + printf(" Attributes:\n"); + + int attrib_data_type, attrib_count; + const void* attrib_data = imFileGetAttribute(ifile, attrib_list[a], &attrib_data_type, &attrib_count); + + if (attrib_count == 1) + printf(" %s: %s\n", attrib_list[a], AttribData2Str(attrib_data, attrib_data_type)); + else if (attrib_data_type == IM_BYTE && FindZero((imbyte*)attrib_data, attrib_count)) + printf(" %s: %s\n", attrib_list[a], attrib_data); + else + printf(" %s: %s %s ...\n", attrib_list[a], AttribData2Str(attrib_data, attrib_data_type), AttribData2Str((imbyte*)attrib_data + imDataTypeSize(attrib_data_type), attrib_data_type)); + } + } + + imFileClose(ifile); +} + +int main(int argc, char* argv[]) +{ +// imFormatRegisterJP2(); +// imFormatRegisterAVI(); +// imFormatRegisterWMV(); + + if (argc < 2) + { + printf("Invalid number of arguments.\n"); + return 0; + } + + PrintImageInfo(argv[1]); + + return 1; +} + |