added dependencies and build files (loosely inspired by Sebastian Dorda's love-native-android)

jni/devil-1.7.8/examples/simple_example/simple.c

@@ -0,0 +1,94 @@
+//-----------------------------------------------------------------------------
+//
+// DevIL Source Example
+// Copyright (C) 2000-2002 by Denton Woods
+// Last modified:  4/22/2002
+//
+// 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.
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <IL/il.h>
+#include <stdio.h>
+
+/* We would need ILU just because of iluErrorString() function... */
+/* So make it possible for both with and without ILU!  */
+#ifdef ILU_ENABLED
+#include <IL/ilu.h>
+#define PRINT_ERROR_MACRO printf("Error: %s\n", iluErrorString(Error))
+#else /* not ILU_ENABLED */
+#define PRINT_ERROR_MACRO printf("Error: 0x%X\n", (unsigned int)Error)
+#endif /* not ILU_ENABLED */
+
+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) {
+		printf("DevIL version is different...exiting!\n");
+		return 2;
+	}
+
+	// Initialize DevIL.
+	ilInit();
+#ifdef ILU_ENABLED
+	iluInit();
+#endif 
+
+	// 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())) {
+		PRINT_ERROR_MACRO;}
+
+	return 0;
+
+}