diff options
Diffstat (limited to 'libass/ass_render.c')
| -rw-r--r-- | libass/ass_render.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/libass/ass_render.c b/libass/ass_render.c index d0facd7cb4..5b97b8a2d4 100644 --- a/libass/ass_render.c +++ b/libass/ass_render.c @@ -184,6 +184,8 @@ typedef struct frame_context_s { int width, height; // screen dimensions int orig_height; // frame height ( = screen height - margins ) int orig_width; // frame width ( = screen width - margins ) + int orig_height_nocrop; // frame height ( = screen height - margins + cropheight) + int orig_width_nocrop; // frame width ( = screen width - margins + cropwidth) ass_track_t* track; long long time; // frame's timestamp, ms double font_scale; @@ -446,28 +448,33 @@ static ass_image_t* render_text(text_info_t* text_info, int dst_x, int dst_y) * \brief Mapping between script and screen coordinates */ static int x2scr(int x) { - return x*frame_context.orig_width / frame_context.track->PlayResX + global_settings->left_margin; + return x*frame_context.orig_width_nocrop / frame_context.track->PlayResX + + FFMAX(global_settings->left_margin, 0); } /** * \brief Mapping between script and screen coordinates */ static int y2scr(int y) { - return y * frame_context.orig_height / frame_context.track->PlayResY + global_settings->top_margin; + return y * frame_context.orig_height_nocrop / frame_context.track->PlayResY + + FFMAX(global_settings->top_margin, 0); } // the same for toptitles static int y2scr_top(int y) { if (global_settings->use_margins) - return y * frame_context.orig_height / frame_context.track->PlayResY; + return y * frame_context.orig_height_nocrop / frame_context.track->PlayResY; else - return y * frame_context.orig_height / frame_context.track->PlayResY + global_settings->top_margin; + return y * frame_context.orig_height_nocrop / frame_context.track->PlayResY + + FFMAX(global_settings->top_margin, 0); } // the same for subtitles static int y2scr_sub(int y) { if (global_settings->use_margins) - return y * frame_context.orig_height / frame_context.track->PlayResY + - global_settings->top_margin + global_settings->bottom_margin; + return y * frame_context.orig_height_nocrop / frame_context.track->PlayResY + + FFMAX(global_settings->top_margin, 0) + + FFMAX(global_settings->bottom_margin, 0); else - return y * frame_context.orig_height / frame_context.track->PlayResY + global_settings->top_margin; + return y * frame_context.orig_height_nocrop / frame_context.track->PlayResY + + FFMAX(global_settings->top_margin, 0); } static void compute_string_bbox( text_info_t* info, FT_BBox *abbox ) { @@ -2101,6 +2108,12 @@ static int ass_start_frame(ass_renderer_t *priv, ass_track_t* track, long long n frame_context.height = global_settings->frame_height; frame_context.orig_width = global_settings->frame_width - global_settings->left_margin - global_settings->right_margin; frame_context.orig_height = global_settings->frame_height - global_settings->top_margin - global_settings->bottom_margin; + frame_context.orig_width_nocrop = global_settings->frame_width - + FFMAX(global_settings->left_margin, 0) - + FFMAX(global_settings->right_margin, 0); + frame_context.orig_height_nocrop = global_settings->frame_height - + FFMAX(global_settings->top_margin, 0) - + FFMAX(global_settings->bottom_margin, 0); frame_context.track = track; frame_context.time = now; |