From 0c97f24173d461cd07e06da5f419bd1238cbd6e6 Mon Sep 17 00:00:00 2001
From: Vincent Sanders <vince@kyllikki.org>
Date: Tue, 1 Sep 2015 23:56:23 +0100
Subject: add a basic decode test

---
 examples/decode_gif.c | 211 --------------------------------------------------
 1 file changed, 211 deletions(-)
 delete mode 100644 examples/decode_gif.c

(limited to 'examples/decode_gif.c')

diff --git a/examples/decode_gif.c b/examples/decode_gif.c
deleted file mode 100644
index 34d2e9d..0000000
--- a/examples/decode_gif.c
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * Copyright 2008 Sean Fox <dyntryx@gmail.com>
- * Copyright 2008 James Bursa <james@netsurf-browser.org>
- *
- * This file is part of NetSurf's libnsgif, http://www.netsurf-browser.org/
- * Licenced under the MIT License,
- *                http://www.opensource.org/licenses/mit-license.php
- */
-
-#include <assert.h>
-#include <errno.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/stat.h>
-#include "../libnsgif.h"
-
-unsigned char *load_file(const char *path, size_t *data_size);
-void warning(const char *context, int code);
-void *bitmap_create(int width, int height);
-void bitmap_set_opaque(void *bitmap, bool opaque);
-bool bitmap_test_opaque(void *bitmap);
-unsigned char *bitmap_get_buffer(void *bitmap);
-void bitmap_destroy(void *bitmap);
-void bitmap_modified(void *bitmap);
-
-
-int main(int argc, char *argv[])
-{
-	gif_bitmap_callback_vt bitmap_callbacks = {
-		bitmap_create,
-		bitmap_destroy,
-		bitmap_get_buffer,
-		bitmap_set_opaque,
-		bitmap_test_opaque,
-		bitmap_modified
-	};
-	gif_animation gif;
-	size_t size;
-	gif_result code;
-	unsigned int i;
-
-	if (argc != 2) {
-		fprintf(stderr, "Usage: %s image.gif\n", argv[0]);
-		return 1;
-	}
-
-	/* create our gif animation */
-	gif_create(&gif, &bitmap_callbacks);
-
-	/* load file into memory */
-	unsigned char *data = load_file(argv[1], &size);
-
-	/* begin decoding */
-	do {
-		code = gif_initialise(&gif, size, data);
-		if (code != GIF_OK && code != GIF_WORKING) {
-			warning("gif_initialise", code);
-			exit(1);
-		}
-	} while (code != GIF_OK);
-
-	printf("P3\n");
-	printf("# %s\n", argv[1]);
-	printf("# width                %u \n", gif.width);
-	printf("# height               %u \n", gif.height);
-	printf("# frame_count          %u \n", gif.frame_count);
-	printf("# frame_count_partial  %u \n", gif.frame_count_partial);
-	printf("# loop_count           %u \n", gif.loop_count);
-	printf("%u %u 256\n", gif.width, gif.height * gif.frame_count);
-
-	/* decode the frames */
-	for (i = 0; i != gif.frame_count; i++) {
-		unsigned int row, col;
-		unsigned char *image;
-
-		code = gif_decode_frame(&gif, i);
-		if (code != GIF_OK)
-			warning("gif_decode_frame", code);
-
-		printf("# frame %u:\n", i);
-		image = (unsigned char *) gif.frame_image;
-		for (row = 0; row != gif.height; row++) {
-			for (col = 0; col != gif.width; col++) {
-				size_t z = (row * gif.width + col) * 4;
-				printf("%u %u %u ",
-					(unsigned char) image[z],
-					(unsigned char) image[z + 1],
-					(unsigned char) image[z + 2]);
-			}
-			printf("\n");
-		}
-	}
-
-	/* clean up */
-	gif_finalise(&gif);
-	free(data);
-
-	return 0;
-}
-
-
-unsigned char *load_file(const char *path, size_t *data_size)
-{
-	FILE *fd;
-	struct stat sb;
-	unsigned char *buffer;
-	size_t size;
-	size_t n;
-
-	fd = fopen(path, "rb");
-	if (!fd) {
-		perror(path);
-		exit(EXIT_FAILURE);
-	}
-
-	if (stat(path, &sb)) {
-		perror(path);
-		exit(EXIT_FAILURE);
-	}
-	size = sb.st_size;
-
-	buffer = malloc(size);
-	if (!buffer) {
-		fprintf(stderr, "Unable to allocate %lld bytes\n",
-				(long long) size);
-		exit(EXIT_FAILURE);
-	}
-
-	n = fread(buffer, 1, size, fd);
-	if (n != size) {
-		perror(path);
-		exit(EXIT_FAILURE);
-	}
-
-	fclose(fd);
-
-	*data_size = size;
-	return buffer;
-}
-
-
-void warning(const char *context, gif_result code)
-{
-	fprintf(stderr, "%s failed: ", context);
-	switch (code)
-	{
-	case GIF_INSUFFICIENT_FRAME_DATA:
-		fprintf(stderr, "GIF_INSUFFICIENT_FRAME_DATA");
-		break;
-	case GIF_FRAME_DATA_ERROR:
-		fprintf(stderr, "GIF_FRAME_DATA_ERROR");
-		break;
-	case GIF_INSUFFICIENT_DATA:
-		fprintf(stderr, "GIF_INSUFFICIENT_DATA");
-		break;
-	case GIF_DATA_ERROR:
-		fprintf(stderr, "GIF_DATA_ERROR");
-		break;
-	case GIF_INSUFFICIENT_MEMORY:
-		fprintf(stderr, "GIF_INSUFFICIENT_MEMORY");
-		break;
-	default:
-		fprintf(stderr, "unknown code %i", code);
-		break;
-	}
-	fprintf(stderr, "\n");
-}
-
-
-void *bitmap_create(int width, int height)
-{
-	return calloc(width * height, 4);
-}
-
-
-void bitmap_set_opaque(void *bitmap, bool opaque)
-{
-	(void) opaque;  /* unused */
-	assert(bitmap);
-}
-
-
-bool bitmap_test_opaque(void *bitmap)
-{
-	assert(bitmap);
-	return false;
-}
-
-
-unsigned char *bitmap_get_buffer(void *bitmap)
-{
-	assert(bitmap);
-	return bitmap;
-}
-
-
-void bitmap_destroy(void *bitmap)
-{
-	assert(bitmap);
-	free(bitmap);
-}
-
-
-void bitmap_modified(void *bitmap)
-{
-	assert(bitmap);
-	return;
-}
-
-- 
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