From 6fb0c7a7a53e1eba7a0f5dc5b1ade312a0d76119 Mon Sep 17 00:00:00 2001
From: Toad King
Date: Thu, 14 Jun 2012 03:21:06 -0400
Subject: initial pocketsnes commit

---
 src/screenshot.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 src/screenshot.c

(limited to 'src/screenshot.c')

diff --git a/src/screenshot.c b/src/screenshot.c
new file mode 100644
index 0000000..ab169cf
--- /dev/null
+++ b/src/screenshot.c
@@ -0,0 +1,71 @@
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include "screenshot.h"
+#include "png.h"
+#include "menu.h"
+#include "config.h"
+
+static gBITMAP *screenShot = NULL;
+
+#define SS_WIDTH	256
+#define	SS_HEIGHT	240
+
+// Copy screen into screenshot buffer
+void getScreenShot(unsigned short *screen) {
+	unsigned int x, y;
+	screen += 32;
+
+	if (!screenShot) {
+		screenShot = gCreateBitmap(SS_WIDTH, SS_HEIGHT, 32);
+		if (!screenShot) return;
+		}
+
+	for (y = 0; y < SS_HEIGHT; y++)
+		for(x = 0; x < SS_WIDTH; x++) {
+			unsigned short pixel = screen[y * SCREEN_WIDTH + x];
+			screenShot->data[(y * SS_WIDTH + x) * 4 + 0] = PIXEL16_R(pixel);
+			screenShot->data[(y * SS_WIDTH + x) * 4 + 1] = PIXEL16_G(pixel);	
+			screenShot->data[(y * SS_WIDTH + x) * 4 + 2] = PIXEL16_B(pixel);	
+			screenShot->data[(y * SS_WIDTH + x) * 4 + 3] = 0xff;
+			}
+}
+
+int saveScreenShot() {
+	char fn[1024];
+	char png_fn[1024];
+	char *ext;
+	int ret;
+
+	if (!screenShot) return -1;
+	
+	// get filename of last loaded ROM (the running one)	
+	getConfigValue(CONFIG_LASTLOADED, fn, sizeof(fn));
+	// set file ext to .png
+	ext = strrchr(fn, '.');
+	if (!ext) ext = &fn[strlen(fn)];
+	strcpy(ext, ".png");
+	// compose screenshot file's full path
+	sprintf(png_fn, "%s%s", getScreenShotsDir(), strrchr(fn, '/'));
+
+	ret = save_png(screenShot, png_fn);
+	sync();
+	
+	return ret;
+}
+
+static char screenShotsDir[1024] = "\0";
+static int getScreenShotsDirFirstTime = 1;
+const char *getScreenShotsDir() {
+	if (screenShotsDir[0] == '\0') sprintf(screenShotsDir, "%s/%s", currentWorkingDir, "screenshots");
+	if (getScreenShotsDirFirstTime) {
+		mkdir(screenShotsDir, 0777);
+		getScreenShotsDirFirstTime = 0;
+		}
+	return screenShotsDir;
+}
+
+void destroyScreenShot() {
+	gDestroyBitmap(screenShot);
+	screenShot = NULL;
+}
-- 
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