Ticket #7996: screenshot2.diff

scummvm/backends/sdl/sdl-common.cpp

@@ -432 +432 @@
                                         b |= KBD_ALT;
                                 event->kbd.flags = b;
 
+                                // Alt-S creates a screenshot
+                                if (b == KBD_ALT && ev.key.keysym.sym=='s') {
+                                        save_screenshot();
+                                        break;
+                                }
+
                                 // Alt-Return toggles full screen mode                          
                                 if (b == KBD_ALT && ev.key.keysym.sym==SDLK_RETURN) {
                                         property(PROP_TOGGLE_FULLSCREEN, NULL);
@@ -674 +680 @@
 
         return 0;
 }
+
+void OSystem_SDL_Common::save_screenshot() {
+        SDL_Surface *screenshot;
+        char filename[255];
+        bool can_save = false;
+        int i;
+
+        screenshot = get_screenshot_surface();
+        if (screenshot == NULL)
+                return;
+
+        for (i = 0; i <= 9999; i++) {
+                FILE *tmpfile;
+
+                // FIXME - Use getSavePath()
+                sprintf(filename, "scr%04d.bmp", i);
+                tmpfile = fopen(filename, "rb");
+                if (tmpfile == NULL) {
+                        can_save = true;
+                        break;
+                }
+                fclose(tmpfile);
+        }
+
+        if (!can_save) {
+                warning("Could not make filename for screenshot!");
+                return;
+        }
+
+        if (SDL_SaveBMP(screenshot, filename) == 0)
+                debug(1, "Screenshot saved as '%s'", filename);
+        else
+                warning("Could not save screenshot: %s", SDL_GetError());
+}
                 
 void OSystem_SDL_Common::quit() {
         if(cdrom) {

scummvm/backends/sdl/sdl-common.h

@@ -88 +88 @@
         // Update cdrom audio status
         void update_cdrom();
 
+        // Save screenshot
+        void save_screenshot();
+
         // Quit
         void quit();
 
@@ -181 +184 @@
         virtual void unload_gfx_mode() = 0;
         virtual void hotswap_gfx_mode() = 0;
 
+        virtual SDL_Surface *get_screenshot_surface() = 0;
+
         void get_320x200_image(byte *buf);      
 
         void setup_icon();

scummvm/backends/sdl/sdl.cpp

@@ -59 +59 @@
         virtual void load_gfx_mode();
         virtual void unload_gfx_mode();
         void hotswap_gfx_mode();
+
+        SDL_Surface *get_screenshot_surface();
         
         int TMP_SCREEN_WIDTH;
 };
@@ -431 +433 @@
         OSystem_SDL_Normal::update_screen();
 }
 
+SDL_Surface *OSystem_SDL_Normal::get_screenshot_surface() {
+        return sdl_hwscreen;
+}
+
 uint32 OSystem_SDL_Normal::property(int param, Property *value) {
 
         if (param == PROP_TOGGLE_FULLSCREEN) {

scummvm/backends/sdl/sdl_gl.cpp

@@ -60 +60 @@
         void load_gfx_mode();
         void unload_gfx_mode();
         void hotswap_gfx_mode();
+
+        SDL_Surface *get_screenshot_surface();
 };
 
 OSystem_SDL_Common *OSystem_SDL_Common::create() {
@@ -168 +170 @@
         update_screen();
 }
 
+SDL_Surface *OSystem_SDL_GL::get_screenshot_surface() {
+        warning("Screenshots not yet supported in SDL / OpenGL.");
+        return NULL;
+}
+
 uint32 OSystem_SDL_GL::property(int param, Property *value) {
 
         if (param == PROP_TOGGLE_FULLSCREEN) {