Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/winpr/libwinpr/utils/test/img-cnv.c

@@ -0,0 +1,105 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <winpr/image.h>
+
+static const int formats[] = { WINPR_IMAGE_BITMAP, WINPR_IMAGE_PNG, WINPR_IMAGE_JPEG,
+	                           WINPR_IMAGE_WEBP };
+
+static void usage(int argc, char* argv[])
+{
+	const char* prg = "INVALID";
+	if (argc > 0)
+		prg = argv[0];
+
+	(void)fprintf(stdout, "%s <src> <dst>\n", prg);
+	(void)fprintf(stdout, "\tConvert image <src> to <dst>\n");
+	(void)fprintf(stdout, "\tSupported formats (for this build):\n");
+
+	for (size_t x = 0; x < ARRAYSIZE(formats); x++)
+	{
+		const int format = formats[x];
+		const char* ext = winpr_image_format_extension(format);
+		const char* mime = winpr_image_format_mime(format);
+		const BOOL supported = winpr_image_format_is_supported(format);
+		if (supported)
+		{
+			(void)fprintf(stdout, "\t\t%s [.%s]\n", mime, ext);
+		}
+	}
+}
+
+static int detect_format(const char* name)
+{
+	const char* dot = strrchr(name, '.');
+	if (!dot)
+	{
+		(void)fprintf(stderr, "'%s' does not have a file extension\n", name);
+		return -1;
+	}
+
+	for (size_t x = 0; x < ARRAYSIZE(formats); x++)
+	{
+		const int format = formats[x];
+		const char* ext = winpr_image_format_extension(format);
+		const char* mime = winpr_image_format_mime(format);
+		const BOOL supported = winpr_image_format_is_supported(format);
+		if (strcmp(&dot[1], ext) == 0)
+		{
+			(void)fprintf(stdout, "'%s' is of format %s [supported:%s]\n", name, mime,
+			              supported ? "true" : "false");
+			if (!supported)
+				return -2;
+			return format;
+		}
+	}
+
+	(void)fprintf(stderr, "'%s' is a unsupported format\n", name);
+	return -3;
+}
+
+int main(int argc, char* argv[])
+{
+	int rc = -4;
+	if (argc != 3)
+	{
+		usage(argc, argv);
+		return -1;
+	}
+
+	const char* src = argv[1];
+	const char* dst = argv[2];
+
+	const int sfmt = detect_format(src);
+	const int dfmt = detect_format(dst);
+	if ((sfmt < 0) || (dfmt < 0))
+	{
+		usage(argc, argv);
+		return -2;
+	}
+
+	wImage* img = winpr_image_new();
+	if (!img)
+	{
+		return -3;
+	}
+
+	const int rrc = winpr_image_read(img, src);
+	if (rrc <= 0)
+	{
+		(void)fprintf(stderr, "Failed to read image '%s': %d\n", src, rrc);
+		goto fail;
+	}
+	const int wrc = winpr_image_write(img, dst);
+	if (wrc <= 0)
+	{
+		(void)fprintf(stderr, "Failed to write image '%s': %d\n", dst, wrc);
+		goto fail;
+	}
+
+	(void)fprintf(stdout, "Successfully converted '%s' to '%s'\n", src, dst);
+	rc = 0;
+fail:
+	winpr_image_free(img, TRUE);
+	return rc;
+}