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//-----------------------------------------------------------------------------
//
// DevIL Source Example
// Copyright (C) 2000-2002 by Denton Woods
// Last modified: 4/22/2002 <--Y2K Compliant! =]
//
// Filename: examples/Simple Example/simple.c
//
// Description: Simplest implementation of an DevIL application.
// Loads an image and saves it to a new image.
// The images can be of any format and can be different.
//
//-----------------------------------------------------------------------------
// Required include files.
#include <IL/il.h>
#include <IL/ilu.h>
#include <stdio.h>
int main(int argc, char **argv)
{
ILuint ImgId;
ILenum Error;
// We use the filename specified in the first argument of the command-line.
if (argc < 2) {
fprintf(stderr, "DevIL_test : DevIL simple command line application.\n");
fprintf(stderr, "Usage : DevIL_test <file> [output]\n");
fprintf(stderr, "Default output is test.tga\n");
return 1;
}
// Check if the shared lib's version matches the executable's version.
if (ilGetInteger(IL_VERSION_NUM) < IL_VERSION ||
iluGetInteger(ILU_VERSION_NUM) < ILU_VERSION) {
printf("DevIL version is different...exiting!\n");
return 2;
}
// Initialize DevIL.
ilInit();
// Generate the main image name to use.
ilGenImages(1, &ImgId);
// Bind this image name.
ilBindImage(ImgId);
// Loads the image specified by File into the image named by ImgId.
if (!ilLoadImage(argv[1])) {
printf("Could not open file...exiting.\n");
return 3;
}
// Display the image's dimensions to the end user.
printf("Width: %d Height: %d Depth: %d Bpp: %d\n",
ilGetInteger(IL_IMAGE_WIDTH),
ilGetInteger(IL_IMAGE_HEIGHT),
ilGetInteger(IL_IMAGE_DEPTH),
ilGetInteger(IL_IMAGE_BITS_PER_PIXEL));
// Enable this to let us overwrite the destination file if it already exists.
ilEnable(IL_FILE_OVERWRITE);
// If argv[2] is present, we save to this filename, else we save to test.tga.
if (argc > 2)
ilSaveImage(argv[2]);
else
ilSaveImage("test.tga");
// We're done with the image, so let's delete it.
ilDeleteImages(1, &ImgId);
// Simple Error detection loop that displays the Error to the user in a human-readable form.
while ((Error = ilGetError())) {
printf("Error: %s\n", iluErrorString(Error));
}
return 0;
}
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