From 07fb95d10b00e2cc515b9c6cb9dfcfa42f3b4f4a Mon Sep 17 00:00:00 2001
From: reimar <reimar@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Sat, 10 Jan 2009 13:47:41 +0000
Subject: [PATCH] Change vo_draw_text to a vo_draw_text_ext function which
 draws DVD navigation highlights at the correct position with the
 high-resolution OSD of -vo gl.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28290 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 libvo/sub.c   | 48 +++++++++++++++++++++++++++++++++++++++---------
 libvo/sub.h   |  3 +++
 libvo/vo_gl.c |  3 ++-
 3 files changed, 44 insertions(+), 10 deletions(-)

diff --git a/libvo/sub.c b/libvo/sub.c
index 4319f191a4..94c38545dc 100644
--- a/libvo/sub.c
+++ b/libvo/sub.c
@@ -224,13 +224,32 @@ void osd_set_nav_box (uint16_t sx, uint16_t sy, uint16_t ex, uint16_t ey) {
   nav_hl.ey = ey;
 }
 
-inline static void vo_update_nav (mp_osd_obj_t *obj, int dxs, int dys) {
+inline static void vo_update_nav (mp_osd_obj_t *obj, int dxs, int dys, int left_border, int top_border,
+                      int right_border, int bottom_border, int orig_w, int orig_h) {
   int len;
+  int sx = nav_hl.sx, sy = nav_hl.sy;
+  int ex = nav_hl.ex, ey = nav_hl.ey;
+  int scaled_w = dxs - left_border - right_border;
+  int scaled_h = dys - top_border - bottom_border;
+  if (scaled_w != orig_w) {
+    sx = sx * scaled_w / orig_w;
+    ex = ex * scaled_w / orig_w;
+  }
+  if (scaled_h != orig_h) {
+    sy = sy * scaled_h / orig_h;
+    ey = ey * scaled_h / orig_h;
+  }
+  sx += left_border; ex += left_border;
+  sy += top_border;  ey += top_border;
+  sx = FFMIN(FFMAX(sx, 0), dxs);
+  ex = FFMIN(FFMAX(ex, 0), dxs);
+  sy = FFMIN(FFMAX(sy, 0), dys);
+  ey = FFMIN(FFMAX(ey, 0), dys);
 
-  obj->bbox.x1 = obj->x = nav_hl.sx;
-  obj->bbox.y1 = obj->y = nav_hl.sy;
-  obj->bbox.x2 = nav_hl.ex;
-  obj->bbox.y2 = nav_hl.ey;
+  obj->bbox.x1 = obj->x = sx;
+  obj->bbox.y1 = obj->y = sy;
+  obj->bbox.x2 = ex;
+  obj->bbox.y2 = ey;
   
   alloc_buf (obj);
   len = obj->stride * (obj->bbox.y2 - obj->bbox.y1);
@@ -1060,7 +1079,8 @@ void free_osd_list(void){
 
 #define FONT_LOAD_DEFER 6
 
-int vo_update_osd(int dxs,int dys){
+int vo_update_osd_ext(int dxs,int dys, int left_border, int top_border,
+                      int right_border, int bottom_border, int orig_w, int orig_h){
     mp_osd_obj_t* obj=vo_osd_list;
     int chg=0;
 #ifdef CONFIG_FREETYPE
@@ -1115,7 +1135,7 @@ int vo_update_osd(int dxs,int dys){
 	switch(obj->type){
 #ifdef CONFIG_DVDNAV
         case OSDTYPE_DVDNAV:
-           vo_update_nav(obj,dxs,dys);
+           vo_update_nav(obj,dxs,dys, left_border, top_border, right_border, bottom_border, orig_w, orig_h);
            break;
 #endif
 	case OSDTYPE_SUBTITLE:
@@ -1179,6 +1199,10 @@ int vo_update_osd(int dxs,int dys){
     return chg;
 }
 
+int vo_update_osd(int dxs, int dys) {
+    return vo_update_osd_ext(dxs, dys, 0, 0, 0, 0, dxs, dys);
+}
+
 void vo_init_osd(void){
     if(!draw_alpha_init_flag){
 	draw_alpha_init_flag=1;
@@ -1221,9 +1245,11 @@ void vo_remove_text(int dxs,int dys,void (*remove)(int x0,int y0, int w,int h)){
     }
 }
 
-void vo_draw_text(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)){
+void vo_draw_text_ext(int dxs, int dys, int left_border, int top_border,
+                      int right_border, int bottom_border, int orig_w, int orig_h,
+                      void (*draw_alpha)(int x0, int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)) {
     mp_osd_obj_t* obj=vo_osd_list;
-    vo_update_osd(dxs,dys);
+    vo_update_osd_ext(dxs, dys, left_border, top_border, right_border, bottom_border, orig_w, orig_h);
     while(obj){
       if(obj->flags&OSDFLAG_VISIBLE){
 	vo_osd_changed_flag=obj->flags&OSDFLAG_CHANGED;	// temp hack
@@ -1251,6 +1277,10 @@ void vo_draw_text(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h,
     }
 }
 
+void vo_draw_text(int dxs, int dys, void (*draw_alpha)(int x0, int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)) {
+  vo_draw_text_ext(dxs, dys, 0, 0, 0, 0, dxs, dys, draw_alpha);
+}
+
 static int vo_osd_changed_status = 0;
 
 int vo_osd_changed(int new_value)
diff --git a/libvo/sub.h b/libvo/sub.h
index 591a166692..b16cd77a60 100644
--- a/libvo/sub.h
+++ b/libvo/sub.h
@@ -106,6 +106,9 @@ extern int spu_aamode;
 extern float spu_gaussvar;
 
 void vo_draw_text(int dxs,int dys,void (*draw_alpha)(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride));
+void vo_draw_text_ext(int dxs, int dys, int left_border, int top_border,
+                      int right_border, int bottom_border, int orig_w, int orig_h,
+                      void (*draw_alpha)(int x0, int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride));
 void vo_remove_text(int dxs,int dys,void (*remove)(int x0,int y0, int w,int h));
 
 void vo_init_osd(void);
diff --git a/libvo/vo_gl.c b/libvo/vo_gl.c
index 6560b325fb..30402233af 100644
--- a/libvo/vo_gl.c
+++ b/libvo/vo_gl.c
@@ -612,7 +612,8 @@ static void draw_osd(void)
     clearOSD();
     osd_w = scaled_osd ? image_width : vo_dwidth;
     osd_h = scaled_osd ? image_height : vo_dheight;
-    vo_draw_text(osd_w, osd_h, create_osd_texture);
+    vo_draw_text_ext(osd_w, osd_h, ass_border_x, ass_border_y, ass_border_x, ass_border_y,
+                     image_width, image_height, create_osd_texture);
   }
   if (vo_doublebuffering) do_render_osd();
 }