uxn

commit a11cbb458f69a5d03c5a51832cab1ca86b3ba7b4
parent 064f7745d4faee1e41e9cb4ade5bc96f51fd7d14
Author: Andrew Alderwick <andrew@alderwick.co.uk>
Date:   Fri, 11 Jun 2021 09:18:52 +0100

Added screenshot functionality, contributed by badd10de, thank you!

Diffstat:
M
.gitignore
 | 
4
++--
M
src/uxnemu.c
 | 
16
+++++++++++++++-

2 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -6,4 +6,5 @@
 /bin
 *io.bit
 *.bak
-/*-test
-\ No newline at end of file
+/*-test
+/screenshot.bmp
diff --git a/src/uxnemu.c b/src/uxnemu.c
@@ -85,6 +85,18 @@ togglezoom(Uxn *u)
 }
 
 void
+save_screenshot(void)
+{
+	const Uint32 format = SDL_PIXELFORMAT_ARGB8888;
+	SDL_Surface *surface = SDL_CreateRGBSurfaceWithFormat(0, (ppu.width + PAD * 2) * zoom, (ppu.height + PAD * 2) * zoom, 32, format);
+	SDL_LockSurface(surface);
+	SDL_RenderReadPixels(gRenderer, NULL, format, surface->pixels, surface->pitch);
+	SDL_UnlockSurface(surface);
+	SDL_SaveBMP(surface, "screenshot.bmp");
+	SDL_FreeSurface(surface);
+}
+
+void
 quit(void)
 {
 	free(ppu.fg.pixels);
@@ -178,7 +190,9 @@ doctrl(Uxn *u, SDL_Event *event, int z)
 			toggledebug(u);
 		if(SDL_GetModState() & KMOD_LALT)
 			togglezoom(u);
-	}
+	} else if(z && event->key.keysym.sym == SDLK_s)
+		if(SDL_GetModState() & KMOD_LCTRL)
+			save_screenshot();
 	switch(event->key.keysym.sym) {
 	case SDLK_LCTRL: flag = 0x01; break;
 	case SDLK_LALT: flag = 0x02; break;