Reduce code duplication in init_render_context().

Don't use glyph stroker for borderless glyphs.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19879 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
eugeni 2006-09-17 15:32:01 +00:00
parent 51cd63eb1c
commit 75cc0a6fc8
2 changed files with 93 additions and 83 deletions

View File

@ -182,31 +182,34 @@ int glyph_to_bitmap(ass_synth_priv_t* priv, FT_Glyph glyph, FT_Glyph outline_gly
{
const int bord = ceil(blur_radius);
assert(bm_g);
assert(bm_g && bm_o);
if (glyph)
*bm_g = glyph_to_bitmap_internal(glyph, bord);
else
*bm_g = 0;
if (!*bm_g)
return 1;
if (outline_glyph && bm_o) {
if (outline_glyph) {
*bm_o = glyph_to_bitmap_internal(outline_glyph, bord);
if (!*bm_o) {
ass_free_bitmap(*bm_g);
return 1;
}
}
} else
*bm_o = 0;
if (bm_o)
if (*bm_o)
resize_tmp(priv, (*bm_o)->w, (*bm_o)->h);
resize_tmp(priv, (*bm_g)->w, (*bm_g)->h);
if (be) {
blur((*bm_g)->buffer, priv->tmp, (*bm_g)->w, (*bm_g)->h, (*bm_g)->w, (int*)priv->gt2, priv->g_r, priv->g_w);
if (bm_o)
if (*bm_o)
blur((*bm_o)->buffer, priv->tmp, (*bm_o)->w, (*bm_o)->h, (*bm_o)->w, (int*)priv->gt2, priv->g_r, priv->g_w);
}
if (bm_o)
if (*bm_o)
fix_outline(*bm_g, *bm_o);
return 0;

View File

@ -379,7 +379,8 @@ static ass_image_t* render_text(text_info_t* text_info, int dst_x, int dst_y)
if (error)
text_info->glyphs[i].symbol = 0;
FT_Done_Glyph(text_info->glyphs[i].glyph);
FT_Done_Glyph(text_info->glyphs[i].outline_glyph);
if (text_info->glyphs[i].outline_glyph)
FT_Done_Glyph(text_info->glyphs[i].outline_glyph);
// cache
hash_val.bbox_scaled = text_info->glyphs[i].bbox;
@ -394,7 +395,7 @@ static ass_image_t* render_text(text_info_t* text_info, int dst_x, int dst_y)
for (i = 0; i < text_info->length; ++i) {
glyph_info_t* info = text_info->glyphs + i;
if ((info->symbol == 0) || (info->symbol == '\n'))
if ((info->symbol == 0) || (info->symbol == '\n') || !info->bm_o)
continue;
pen_x = dst_x + info->pos.x;
@ -408,7 +409,7 @@ static ass_image_t* render_text(text_info_t* text_info, int dst_x, int dst_y)
}
for (i = 0; i < text_info->length; ++i) {
glyph_info_t* info = text_info->glyphs + i;
if ((info->symbol == 0) || (info->symbol == '\n'))
if ((info->symbol == 0) || (info->symbol == '\n') || !info->bm)
continue;
pen_x = dst_x + info->pos.x;
@ -559,11 +560,26 @@ static void update_font(void)
if (render_context.face)
{
change_font_size(render_context.font_size);
if (render_context.stroker != 0) {
FT_Stroker_Done(render_context.stroker);
render_context.stroker = 0;
}
#if (FREETYPE_MAJOR > 2) || ((FREETYPE_MAJOR == 2) && (FREETYPE_MINOR > 1))
error = FT_Stroker_New( ass_instance->library, &render_context.stroker );
#else // < 2.2
error = FT_Stroker_New( render_context.face->memory, &render_context.stroker );
#endif
if ( error ) {
mp_msg(MSGT_GLOBAL, MSGL_V, "failed to get stroker\n");
render_context.stroker = 0;
}
}
}
/**
* \brief Change border width
* negative value resets border to style value
*/
static void change_border(double border)
{
@ -571,12 +587,28 @@ static void change_border(double border)
if (!no_more_font_messages)
mp_msg(MSGT_GLOBAL, MSGL_WARN, "No stroker!\n");
} else {
int b;
if (border < 0) {
if (render_context.style->BorderStyle == 1) {
if (render_context.style->Outline == 0 && render_context.style->Shadow > 0)
border = 1.;
else
border = render_context.style->Outline;
} else
border = 1.;
}
render_context.border = border;
FT_Stroker_Set( render_context.stroker,
(int)(64 * border * frame_context.font_scale),
b = 64 * border * frame_context.font_scale;
if (b > 0)
FT_Stroker_Set( render_context.stroker, b,
FT_STROKER_LINECAP_ROUND,
FT_STROKER_LINEJOIN_ROUND,
0 );
else {
FT_Stroker_Done(render_context.stroker);
render_context.stroker = 0;
}
}
}
@ -642,6 +674,8 @@ static unsigned interpolate_alpha(long long now,
return a;
}
static void reset_render_context();
/**
* \brief Parse style override tag.
* \param p string to parse
@ -691,7 +725,7 @@ static char* parse_tag(char* p, double pwr) {
if (mystrtod(&p, &val))
val = render_context.border * ( 1 - pwr ) + val * pwr;
else
val = (render_context.style->BorderStyle == 1) ? render_context.style->Outline : 1.;
val = -1.; // reset to default
change_border(val);
} else if (mystrcmp(&p, "move")) {
int x1, x2, y1, y2;
@ -923,28 +957,7 @@ static char* parse_tag(char* p, double pwr) {
}
mp_msg(MSGT_GLOBAL, MSGL_DBG2, "single c/a at %f: %c%c = %X \n", pwr, n, cmd, render_context.c[cidx]);
} else if (mystrcmp(&p, "r")) {
render_context.c[0] = render_context.style->PrimaryColour;
render_context.c[1] = render_context.style->SecondaryColour;
render_context.c[2] = render_context.style->OutlineColour;
render_context.c[3] = render_context.style->BackColour;
render_context.font_size = render_context.style->FontSize;
if (render_context.family)
free(render_context.family);
render_context.family = strdup(render_context.style->FontName);
render_context.bold = - render_context.style->Bold;
render_context.italic = - render_context.style->Italic;
update_font();
if (render_context.stroker) {
double border = (render_context.style->BorderStyle == 1) ? render_context.style->Outline : 1.;
change_border(border);
}
render_context.scale_x = render_context.style->ScaleX;
render_context.scale_y = render_context.style->ScaleY;
render_context.hspacing = 0; // FIXME
// FIXME: does not reset unsupported attributes.
reset_render_context();
} else if (mystrcmp(&p, "be")) {
int val;
if (mystrtoi(&p, 10, &val))
@ -1105,18 +1118,44 @@ static void apply_transition_effects(ass_event_t* event)
}
/**
* \brief partially reset render_context to style values
* Works like {\r}: resets some style overrides
*/
static void reset_render_context(void)
{
render_context.c[0] = render_context.style->PrimaryColour;
render_context.c[1] = render_context.style->SecondaryColour;
render_context.c[2] = render_context.style->OutlineColour;
render_context.c[3] = render_context.style->BackColour;
render_context.font_size = render_context.style->FontSize;
if (render_context.family)
free(render_context.family);
render_context.family = strdup(render_context.style->FontName);
render_context.bold = - render_context.style->Bold;
render_context.italic = - render_context.style->Italic;
update_font();
change_border(-1.);
render_context.scale_x = render_context.style->ScaleX;
render_context.scale_y = render_context.style->ScaleY;
render_context.hspacing = 0; // FIXME
render_context.be = 0;
// FIXME: does not reset unsupported attributes.
}
/**
* \brief Start new event. Reset render_context.
*/
static int init_render_context(ass_event_t* event)
static void init_render_context(ass_event_t* event)
{
int error;
// init render_context
render_context.event = event;
render_context.style = frame_context.track->styles + event->Style;
render_context.font_size = render_context.style->FontSize;
reset_render_context();
render_context.evt_type = EVENT_NORMAL;
render_context.alignment = 0;
render_context.rotation = M_PI * render_context.style->Angle / 180.;
@ -1124,13 +1163,6 @@ static int init_render_context(ass_event_t* event)
render_context.pos_y = 0;
render_context.org_x = 0;
render_context.org_y = 0;
render_context.scale_x = render_context.style->ScaleX;
render_context.scale_y = render_context.style->ScaleY;
render_context.hspacing = 0;
render_context.c[0] = render_context.style->PrimaryColour;
render_context.c[1] = render_context.style->SecondaryColour;
render_context.c[2] = render_context.style->OutlineColour;
render_context.c[3] = render_context.style->BackColour;
render_context.clip_x0 = 0;
render_context.clip_y0 = 0;
render_context.clip_x1 = frame_context.track->PlayResX;
@ -1140,44 +1172,16 @@ static int init_render_context(ass_event_t* event)
render_context.effect_type = EF_NONE;
render_context.effect_timing = 0;
render_context.effect_skip_timing = 0;
render_context.be = 0;
if (render_context.family)
free(render_context.family);
render_context.family = strdup(render_context.style->FontName);
render_context.bold = - render_context.style->Bold; // style value for bold text is -1
render_context.italic = - render_context.style->Italic;
update_font();
if (render_context.face) {
#if (FREETYPE_MAJOR > 2) || ((FREETYPE_MAJOR == 2) && (FREETYPE_MINOR > 1))
error = FT_Stroker_New( ass_instance->library, &render_context.stroker );
#else // < 2.2
error = FT_Stroker_New( render_context.face->memory, &render_context.stroker );
#endif
if ( error ) {
mp_msg(MSGT_GLOBAL, MSGL_V, "failed to get stroker\n");
render_context.stroker = 0;
} else {
// FIXME: probably wrong when render_context.Border == 3
double border = (render_context.style->BorderStyle == 1) ? render_context.style->Outline : 1.;
change_border(border);
}
}
apply_transition_effects(event);
return 0;
}
static int free_render_context(void)
static void free_render_context(void)
{
if (render_context.stroker != 0) {
FT_Stroker_Done(render_context.stroker);
render_context.stroker = 0;
}
return 0;
}
/**
@ -1247,11 +1251,14 @@ static int get_glyph(int index, int symbol, glyph_info_t* info, FT_Vector* advan
info->advance.x = info->glyph->advance.x >> 10;
info->advance.y = info->glyph->advance.y >> 10;
info->outline_glyph = info->glyph;
error = FT_Glyph_Stroke( &(info->outline_glyph), render_context.stroker, 0 ); // don't destroy original
if (error) {
mp_msg(MSGT_GLOBAL, MSGL_WARN, "FT_Glyph_Stroke error %d \n", error);
FT_Glyph_Copy(info->glyph, &info->outline_glyph);
if (render_context.stroker) {
info->outline_glyph = info->glyph;
error = FT_Glyph_Stroke( &(info->outline_glyph), render_context.stroker, 0 ); // don't destroy original
if (error) {
mp_msg(MSGT_GLOBAL, MSGL_WARN, "FT_Glyph_Stroke error %d \n", error);
}
} else {
info->outline_glyph = 0;
}
info->bm = info->bm_o = 0;
@ -1819,10 +1826,10 @@ static int ass_render_event(ass_event_t* event, event_images_t* event_images)
info->pos.y -= start.y >> 6;
// mp_msg(MSGT_GLOBAL, MSGL_DBG2, "shift: %d, %d\n", start.x / 64, start.y / 64);
if (info->glyph) {
if (info->glyph)
FT_Glyph_Transform( info->glyph, &matrix_rotate, 0 );
if (info->outline_glyph)
FT_Glyph_Transform( info->outline_glyph, &matrix_rotate, 0 );
}
}
}