add rotate and flip example

1 files changed, 92 insertions, 0 deletions

diff --git a/examples/rotate.c b/examples/rotate.c
new file mode 100644
index 0000000..66fca80
--- /dev/null
+++ b/examples/rotate.c
@@ -0,0 +1,92 @@
+#include <stdio.h>
+#include <rfb/rfb.h>
+#include <rfb/keysym.h>
+
+static int gcd(int x, int y)
+{
+	if (x == 0)
+		return y;
+	return gcd((y % x), x);
+}
+
+#define CONCAT2(a,b) a##b
+#define CONCAT2E(a,b) CONCAT2(a,b)
+#define CONCAT3(a,b,c) a##b##c
+#define CONCAT3E(a,b,c) CONCAT3(a,b,c)
+
+#define FUNCNAME rfbRotate
+#define FUNC(i, j) (h - 1 - j + i * h)
+#define SWAPDIMENSIONS
+#define OUT 8
+#include "rotatetemplate.c"
+#define OUT 16
+#include "rotatetemplate.c"
+#define OUT 32
+#include "rotatetemplate.c"
+#undef FUNCNAME
+#undef FUNC
+
+#define FUNCNAME rfbRotateCounterClockwise
+#define FUNC(i, j) (j + (w - 1 - i) * h)
+#define OUT 8
+#include "rotatetemplate.c"
+#define OUT 16
+#include "rotatetemplate.c"
+#define OUT 32
+#include "rotatetemplate.c"
+#undef FUNCNAME
+#undef FUNC
+#undef SWAPDIMENSIONS
+
+#define FUNCNAME rfbFlipHorizontally
+#define FUNC(i, j) ((w - 1 - i) + j * w)
+#define OUT 8
+#include "rotatetemplate.c"
+#define OUT 16
+#include "rotatetemplate.c"
+#define OUT 32
+#include "rotatetemplate.c"
+#undef FUNCNAME
+#undef FUNC
+
+#define FUNCNAME rfbFlipVertically
+#define FUNC(i, j) (i + (h - 1 - j) * w)
+#define OUT 8
+#include "rotatetemplate.c"
+#define OUT 16
+#include "rotatetemplate.c"
+#define OUT 32
+#include "rotatetemplate.c"
+#undef FUNCNAME
+#undef FUNC
+
+#define FUNCNAME rfbRotateHundredAndEighty
+#define FUNC(i, j) ((w - 1 - i) + (h - 1 - j) * w)
+#define OUT 8
+#include "rotatetemplate.c"
+#define OUT 16
+#include "rotatetemplate.c"
+#define OUT 32
+#include "rotatetemplate.c"
+#undef FUNCNAME
+#undef FUNC
+
+static void HandleKey(rfbBool down,rfbKeySym key,rfbClientPtr cl)
+{
+	if(down) {
+		if (key==XK_Escape || key=='q' || key=='Q')
+			rfbCloseClient(cl);
+		else if (key == 'r')
+			rfbRotate(cl->screen);
+		else if (key == 'R')
+			rfbRotateCounterClockwise(cl->screen);
+		else if (key == 'f')
+			rfbFlipHorizontally(cl->screen);
+		else if (key == 'F')
+			rfbFlipVertically(cl->screen);
+	}
+}
+
+#define HAVE_HANDLEKEY
+#include "pnmshow.c"
+