diff options
Diffstat (limited to 'gst/games')
| -rw-r--r-- | gst/games/gstpuzzle.c | 70 |
1 files changed, 61 insertions, 9 deletions
diff --git a/gst/games/gstpuzzle.c b/gst/games/gstpuzzle.c index ac057f62..c0e3c254 100644 --- a/gst/games/gstpuzzle.c +++ b/gst/games/gstpuzzle.c @@ -136,7 +136,8 @@ gst_puzzle_base_init (gpointer g_class) f->filter_func = draw_puzzle; if (gst_video_format_list[i].ext_caps) { f->depth = gst_video_format_list[i].depth; - f->endianness = G_BYTE_ORDER; + f->endianness = + gst_video_format_list[i].bitspp < 24 ? G_BYTE_ORDER : G_BIG_ENDIAN; f->red_mask = gst_video_format_list[i].red_mask; f->green_mask = gst_video_format_list[i].green_mask; f->blue_mask = gst_video_format_list[i].blue_mask; @@ -210,6 +211,18 @@ gst_puzzle_show (GstPuzzle * puzzle) } #endif +static void +gst_puzzle_swap (GstPuzzle * puzzle, guint next) +{ + guint tmp; + + g_assert (next < puzzle->tiles); + tmp = puzzle->permutation[puzzle->position]; + puzzle->permutation[puzzle->position] = puzzle->permutation[next]; + puzzle->permutation[next] = tmp; + puzzle->position = next; +} + typedef enum { DIR_UP, @@ -246,12 +259,7 @@ gst_puzzle_move (GstPuzzle * puzzle, GstPuzzleDirection dir) if (next < puzzle->tiles) { /* the move was valid */ - guint tmp = puzzle->permutation[puzzle->position]; - - puzzle->permutation[puzzle->position] = puzzle->permutation[next]; - puzzle->permutation[next] = tmp; - puzzle->position = next; - puzzle->solved = gst_puzzle_is_solved (puzzle); + gst_puzzle_swap (puzzle, next); } } @@ -272,9 +280,11 @@ static gboolean nav_event_handler (GstPad * pad, GstEvent * event) { GstPuzzle *puzzle; + GstVideofilter *filter; const gchar *type; puzzle = GST_PUZZLE (gst_pad_get_parent (pad)); + filter = GST_VIDEOFILTER (puzzle); switch (GST_EVENT_TYPE (event)) { case GST_EVENT_NAVIGATION: @@ -284,6 +294,7 @@ nav_event_handler (GstPad * pad, GstEvent * event) const gchar *key = gst_structure_get_string (event->event_data.structure.structure, "key"); + if (g_str_equal (key, "space")) { if (gst_puzzle_is_solved (puzzle)) { gst_puzzle_shuffle (puzzle); @@ -305,8 +316,48 @@ nav_event_handler (GstPad * pad, GstEvent * event) break; } } + puzzle->solved = gst_puzzle_is_solved (puzzle); gst_event_unref (event); return TRUE; + } else if (g_str_equal (type, "mouse-button-press")) { + gint button; + + if (gst_structure_get_int (event->event_data.structure.structure, + "button", &button)) { + if (button == 1) { + gdouble x, y; + + if (gst_structure_get_double (event->event_data.structure.structure, + "pointer_x", &x) && + gst_structure_get_double (event->event_data.structure.structure, + "pointer_y", &y)) { + gint xpos, ypos; + + xpos = + (int) x / ((gst_videofilter_get_input_width (filter) / + puzzle->columns) & ~3); + ypos = + (int) y / ((gst_videofilter_get_input_height (filter) / + puzzle->rows) & ~3); + if (xpos >= 0 && xpos < puzzle->columns && ypos >= 0 + && ypos < puzzle->rows) { + gst_puzzle_swap (puzzle, ypos * puzzle->columns + xpos); + } + puzzle->solved = gst_puzzle_is_solved (puzzle); + gst_event_unref (event); + return TRUE; + } + } else if (button == 2) { + if (gst_puzzle_is_solved (puzzle)) { + gst_puzzle_shuffle (puzzle); + } else { + gst_puzzle_solve (puzzle); + } + puzzle->solved = gst_puzzle_is_solved (puzzle); + gst_event_unref (event); + return TRUE; + } + } } break; default: @@ -424,8 +475,9 @@ draw_puzzle (GstVideofilter * videofilter, void *destp, void *srcp) gst_video_image_copy_area (&dest, 0, height - h, &src, 0, height - h, width, h); } - width /= puzzle->columns; - height /= puzzle->rows; + /* use multiples of 4 here to get around drawing problems with YUV colorspaces */ + width = (width / puzzle->columns) & ~3; + height = (height / puzzle->rows) & ~3; for (i = 0; i < puzzle->tiles; i++) { if (!puzzle->solved && i == puzzle->position) { |