diff options
Diffstat (limited to 'src/screenshot.cpp')
| -rw-r--r-- | src/screenshot.cpp | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/screenshot.cpp b/src/screenshot.cpp index c20512d6c..822a3e0cf 100644 --- a/src/screenshot.cpp +++ b/src/screenshot.cpp @@ -488,13 +488,29 @@ static void CurrentScreenCallback(void *userdata, void *buf, uint y, uint pitch, blitter->CopyImageToBuffer(src, buf, _screen.width, n, pitch); } -/* generate a large piece of the world */ +/** generate a large piece of the world + * @param userdata Viewport area to draw + * @param buf Videobuffer with same bitdepth as current blitter + * @param y First line to render + * @param pitch Pitch of the videobuffer + * @param n Number of lines to render + */ static void LargeWorldCallback(void *userdata, void *buf, uint y, uint pitch, uint n) { ViewPort *vp = (ViewPort *)userdata; DrawPixelInfo dpi, *old_dpi; int wx, left; + /* We are no longer rendering to the screen */ + DrawPixelInfo old_screen = _screen; + bool old_disable_anim = _screen_disable_anim; + + _screen.dst_ptr = buf; + _screen.width = pitch; + _screen.height = n; + _screen.pitch = pitch; + _screen_disable_anim = true; + old_dpi = _cur_dpi; _cur_dpi = &dpi; @@ -506,6 +522,7 @@ static void LargeWorldCallback(void *userdata, void *buf, uint y, uint pitch, ui dpi.left = 0; dpi.top = y; + /* Render viewport in blocks of 1600 pixels width */ left = 0; while (vp->width - left != 0) { wx = min(vp->width - left, 1600); @@ -520,6 +537,10 @@ static void LargeWorldCallback(void *userdata, void *buf, uint y, uint pitch, ui } _cur_dpi = old_dpi; + + /* Switch back to rendering to the screen */ + _screen = old_screen; + _screen_disable_anim = old_disable_anim; } static char *MakeScreenshotName(const char *ext) |