4 * Copyright (C) 1997-2014 Adam Williams <broadcast at earthling dot net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 // Originally developed by Heroine Virtual Ltd.
23 // Support for multiple encodings, outline (stroke) by
24 // Andraz Tori <Andraz.tori1@guest.arnes.si>
25 // Additional support for UTF-8 by
26 // Paolo Rampino aka Akirad <info at tuttoainternet.it>
31 #include "bcsignals.h"
33 #include "colormodels.h"
35 #include "filesystem.h"
36 #include "transportque.inc"
43 #include "mwindow.inc"
46 #include "titlewindow.h"
47 #include "transportque.inc"
58 #include <fontconfig/fontconfig.h>
60 #define ZERO (1.0 / 64.0)
62 REGISTER_PLUGIN(TitleMain)
64 #ifdef X_HAVE_UTF8_STRING
65 #define DEFAULT_ENCODING "UTF-8"
67 #define DEFAULT_ENCODING "ISO8859-1"
69 #define DEFAULT_TIMECODEFORMAT TIME_HMS
73 TitleConfig::TitleConfig()
80 motion_strategy = NO_MOTION;
83 hjustification = JUSTIFY_CENTER;
84 vjustification = JUSTIFY_MID;
90 sprintf(font, "fixed");
91 sprintf(encoding, DEFAULT_ENCODING);
92 timecode_format = DEFAULT_TIMECODEFORMAT;
93 pixels_per_second = 1.0;
96 wtext[0] = 0; wlen = 0;
97 color_stroke = 0xff0000;
98 outline_color = WHITE;
103 next_keyframe_position = 0;
104 prev_keyframe_position = 0;
107 TitleConfig::~TitleConfig()
111 // Does not test equivalency but determines if redrawing text is necessary.
112 int TitleConfig::equivalent(TitleConfig &that)
114 return dropshadow == that.dropshadow &&
115 style == that.style &&
117 color == that.color &&
118 color_stroke == that.color_stroke &&
119 stroke_width == that.stroke_width &&
120 outline_color == that.outline_color &&
121 alpha == that.alpha &&
122 outline_alpha == that.outline_alpha &&
123 timecode == that.timecode &&
124 timecode_format == that.timecode_format &&
125 line_pitch == that.line_pitch &&
126 outline_size == that.outline_size &&
127 hjustification == that.hjustification &&
128 vjustification == that.vjustification &&
129 EQUIV(pixels_per_second, that.pixels_per_second) &&
130 !strcasecmp(font, that.font) &&
131 !strcasecmp(encoding, that.encoding) &&
133 !memcmp(wtext, that.wtext, wlen * sizeof(wchar_t));
136 void TitleConfig::copy_from(TitleConfig &that)
138 strcpy(font, that.font);
142 color_stroke = that.color_stroke;
143 stroke_width = that.stroke_width;
144 outline_color = that.outline_color;
146 outline_alpha = that.outline_alpha;
147 pixels_per_second = that.pixels_per_second;
148 motion_strategy = that.motion_strategy;
150 line_pitch = that.line_pitch;
151 hjustification = that.hjustification;
152 vjustification = that.vjustification;
153 fade_in = that.fade_in;
154 fade_out = that.fade_out;
157 dropshadow = that.dropshadow;
158 timecode = that.timecode;
159 timecode_format = that.timecode_format;
160 outline_size = that.outline_size;
161 strcpy(encoding, that.encoding);
162 memcpy(wtext, that.wtext, that.wlen * sizeof(wchar_t));
164 window_w = that.window_w;
165 window_h = that.window_h;
170 void TitleConfig::interpolate(TitleConfig &prev,
174 int64_t current_frame)
176 strcpy(font, prev.font);
177 strcpy(encoding, prev.encoding);
181 color_stroke = prev.color_stroke;
182 stroke_width = prev.stroke_width;
183 outline_color = prev.outline_color;
185 outline_alpha = prev.outline_alpha;
186 motion_strategy = prev.motion_strategy;
188 line_pitch = prev.line_pitch;
189 hjustification = prev.hjustification;
190 vjustification = prev.vjustification;
191 fade_in = prev.fade_in;
192 fade_out = prev.fade_out;
193 outline_size = prev.outline_size;
194 pixels_per_second = prev.pixels_per_second;
195 memcpy(wtext, prev.wtext, prev.wlen * sizeof(wchar_t));
199 double next_scale = (double)(current_frame - prev_frame) / (next_frame - prev_frame);
200 double prev_scale = (double)(next_frame - current_frame) / (next_frame - prev_frame);
201 this->x = prev.x * prev_scale + next.x * next_scale;
202 this->y = prev.y * prev_scale + next.y * next_scale;
205 timecode = prev.timecode;
206 timecode_format = prev.timecode_format;
207 // this->dropshadow = (int)(prev.dropshadow * prev_scale + next.dropshadow * next_scale);
208 this->dropshadow = prev.dropshadow;
211 void TitleConfig::limits()
213 if(window_w < 100) window_w = 100;
214 if(window_h < 100) window_h = 100;
220 void TitleConfig::to_wtext(const char *from_enc, const char *text, int tlen)
222 wlen = BC_Resources::encode(from_enc, BC_Resources::wide_encoding,
223 (char*)text,tlen, (char *)wtext,sizeof(wtext)) / sizeof(wchar_t);
224 while( wlen > 0 && !wtext[wlen-1] ) --wlen;
228 TitleGlyph::TitleGlyph()
245 TitleGlyph::~TitleGlyph()
247 //printf("TitleGlyph::~TitleGlyph 1\n");
248 if(data) delete data;
249 if(data_stroke) delete data_stroke;
262 GlyphPackage::GlyphPackage() : LoadPackage()
267 GlyphUnit::GlyphUnit(TitleMain *plugin, GlyphEngine *server)
270 this->plugin = plugin;
272 freetype_library = 0;
276 GlyphUnit::~GlyphUnit()
279 FT_Done_FreeType(freetype_library);
282 void GlyphUnit::process_package(LoadPackage *package)
284 GlyphPackage *pkg = (GlyphPackage*)package;
285 TitleGlyph *glyph = pkg->glyph;
287 char new_path[BCTEXTLEN];
289 current_font = plugin->get_font();
291 if(plugin->load_freetype_face(freetype_library, freetype_face,
292 current_font->path)) {
293 printf(_("GlyphUnit::process_package FT_New_Face failed.\n"));
298 int gindex = FT_Get_Char_Index(freetype_face, glyph->char_code);
300 //printf("GlyphUnit::process_package 1 %c\n", glyph->char_code);
303 BC_Resources *resources = BC_WindowBase::get_resources();
304 // Search replacement font
305 if(resources->find_font_by_char(glyph->char_code, new_path, freetype_face))
307 plugin->load_freetype_face(freetype_library,
308 freetype_face, new_path);
309 gindex = FT_Get_Char_Index(freetype_face, glyph->char_code);
312 FT_Set_Pixel_Sizes(freetype_face, plugin->config.size, 0);
316 if (glyph->char_code != 10)
317 printf(_("GlyphUnit::process_package FT_Load_Char failed - char: %li.\n"),
319 // Prevent a crash here
320 glyph->width = 8; glyph->height = 8;
321 glyph->pitch = 8; glyph->advance_x = 8;
322 glyph->left = 9; glyph->top = 9;
323 glyph->right = 0; glyph->bottom = 0;
324 glyph->freetype_index = 0;
325 glyph->data = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
326 glyph->data->clear_frame();
327 glyph->data_stroke = 0;
329 // create outline glyph
330 if (plugin->config.stroke_width >= ZERO &&
331 (plugin->config.style & BC_FONT_OUTLINE)) {
332 glyph->data_stroke = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
333 glyph->data_stroke->clear_frame();
336 // char found and no outline desired
337 else if (plugin->config.stroke_width < ZERO ||
338 !(plugin->config.style & BC_FONT_OUTLINE)) {
339 FT_Glyph glyph_image;
342 FT_Load_Glyph(freetype_face, gindex, FT_LOAD_DEFAULT);
343 FT_Get_Glyph(freetype_face->glyph, &glyph_image);
344 FT_Outline_Get_BBox(&((FT_OutlineGlyph) glyph_image)->outline, &bbox);
345 // printf("Stroke: Xmin: %ld, Xmax: %ld, Ymin: %ld, yMax: %ld\n",
346 // bbox.xMin,bbox.xMax, bbox.yMin, bbox.yMax);
348 glyph->width = bm.width = ((bbox.xMax - bbox.xMin + 63) >> 6);
349 glyph->height = bm.rows = ((bbox.yMax - bbox.yMin + 63) >> 6);
350 glyph->pitch = bm.pitch = bm.width;
351 bm.pixel_mode = FT_PIXEL_MODE_GRAY;
353 glyph->left = (bbox.xMin + 31) >> 6;
354 glyph->top = (bbox.yMax + 31) >> 6;
355 glyph->right = (bbox.xMax + 31) >> 6;
356 glyph->bottom = (bbox.yMin + 31) >> 6;
357 glyph->freetype_index = gindex;
358 glyph->advance_x = ((freetype_face->glyph->advance.x + 31) >> 6);
359 //printf("GlyphUnit::process_package 1 width=%d height=%d pitch=%d left=%d top=%d advance_x=%d freetype_index=%d\n",
360 //glyph->width, glyph->height, glyph->pitch, glyph->left, glyph->top, glyph->advance_x, glyph->freetype_index);
362 glyph->data = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
363 glyph->data->clear_frame();
364 bm.buffer = glyph->data->get_data();
365 FT_Outline_Translate(&((FT_OutlineGlyph) glyph_image)->outline,
366 - bbox.xMin, - bbox.yMin);
367 FT_Outline_Get_Bitmap( freetype_library,
368 &((FT_OutlineGlyph) glyph_image)->outline,
370 FT_Done_Glyph(glyph_image);
373 // Outline desired and glyph found
374 FT_Glyph glyph_image;
379 FT_UInt npoints, ncontours;
381 FT_Load_Glyph(freetype_face, gindex, FT_LOAD_DEFAULT);
382 FT_Get_Glyph(freetype_face->glyph, &glyph_image);
384 // check if the outline is ok (non-empty);
385 FT_Outline_Get_BBox(&((FT_OutlineGlyph) glyph_image)->outline, &bbox);
386 if( bbox.xMin == 0 && bbox.xMax == 0 &&
387 bbox.yMin == 0 && bbox.yMax == 0 ) {
388 FT_Done_Glyph(glyph_image);
389 glyph->width = 0; glyph->height = 0;
390 glyph->left = 0; glyph->top = 0;
391 glyph->right = 0; glyph->bottom = 0;
394 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
396 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
397 glyph->advance_x =((int)(freetype_face->glyph->advance.x +
398 plugin->config.stroke_width * 64)) >> 6;
401 #if FREETYPE_MAJOR > 2 || (FREETYPE_MAJOR == 2 && FREETYPE_MINOR >= 2)
402 FT_Stroker_New(freetype_library, &stroker);
404 FT_Stroker_New(((FT_LibraryRec *)freetype_library)->memory, &stroker);
406 FT_Stroker_Set(stroker, (int)(plugin->config.stroke_width * 64),
407 FT_STROKER_LINECAP_ROUND, FT_STROKER_LINEJOIN_ROUND, 0);
408 FT_Stroker_ParseOutline(stroker, &((FT_OutlineGlyph) glyph_image)->outline,1);
409 FT_Stroker_GetCounts(stroker,&npoints, &ncontours);
410 if (npoints ==0 && ncontours == 0) {
411 // this never happens, but FreeType has a bug regarding Linotype's Palatino font
412 FT_Stroker_Done(stroker);
413 FT_Done_Glyph(glyph_image);
414 glyph->width = 0; glyph->height = 0;
415 glyph->left = 0; glyph->top = 0;
416 glyph->right = 0; glyph->bottom = 0;
419 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
421 new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
422 glyph->advance_x =((int)(freetype_face->glyph->advance.x +
423 plugin->config.stroke_width * 64)) >> 6;
427 FT_Outline_New(freetype_library, npoints, ncontours, &outline);
429 outline.n_contours=0;
430 FT_Stroker_Export (stroker, &outline);
431 FT_Outline_Get_BBox(&outline, &bbox);
432 FT_Outline_Translate(&outline, - bbox.xMin, - bbox.yMin);
433 FT_Outline_Translate(&((FT_OutlineGlyph) glyph_image)->outline,
435 - bbox.yMin + (int)(plugin->config.stroke_width*32));
436 // printf("Stroke: Xmin: %ld, Xmax: %ld, Ymin: %ld, yMax: %ld\n"
437 // "Fill Xmin: %ld, Xmax: %ld, Ymin: %ld, yMax: %ld\n",
438 // bbox.xMin,bbox.xMax, bbox.yMin, bbox.yMax,
439 // bbox_fill.xMin,bbox_fill.xMax, bbox_fill.yMin, bbox_fill.yMax);
441 glyph->width = bm.width = ((bbox.xMax - bbox.xMin) >> 6)+1;
442 glyph->height = bm.rows = ((bbox.yMax - bbox.yMin) >> 6) +1;
443 glyph->pitch = bm.pitch = bm.width;
444 bm.pixel_mode = FT_PIXEL_MODE_GRAY;
446 glyph->left = (bbox.xMin + 31) >> 6;
447 glyph->top = (bbox.yMax + 31) >> 6;
448 glyph->right = (bbox.xMax + 31) >> 6;
449 glyph->bottom = (bbox.yMin + 31) >> 6;
450 glyph->freetype_index = gindex;
451 int real_advance = ((int)ceil((float)freetype_face->glyph->advance.x +
452 plugin->config.stroke_width * 64) >> 6);
453 glyph->advance_x = glyph->width + glyph->left;
454 if (real_advance > glyph->advance_x)
455 glyph->advance_x = real_advance;
456 //printf("GlyphUnit::process_package 1 width=%d height=%d "
457 // "pitch=%d left=%d top=%d advance_x=%d freetype_index=%d\n",
458 // glyph->width, glyph->height, glyph->pitch, glyph->left,
459 // glyph->top, glyph->advance_x, glyph->freetype_index);
462 //printf("GlyphUnit::process_package 1\n");
463 glyph->data = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
464 glyph->data->clear_frame();
465 glyph->data_stroke = new VFrame(glyph->width, glyph->height, BC_A8, glyph->pitch);
466 glyph->data_stroke->clear_frame();
467 // for debugging memset( glyph->data_stroke->get_data(), 60, glyph->pitch * glyph->height);
468 bm.buffer=glyph->data->get_data();
469 FT_Outline_Get_Bitmap( freetype_library,
470 &((FT_OutlineGlyph) glyph_image)->outline,
472 bm.buffer=glyph->data_stroke->get_data();
473 FT_Outline_Get_Bitmap( freetype_library,
476 FT_Outline_Done(freetype_library,&outline);
477 FT_Stroker_Done(stroker);
478 FT_Done_Glyph(glyph_image);
480 //printf("GlyphUnit::process_package 2\n");
487 GlyphEngine::GlyphEngine(TitleMain *plugin, int cpus)
488 : LoadServer(cpus, cpus)
490 this->plugin = plugin;
493 void GlyphEngine::init_packages()
495 int current_package = 0;
496 for(int i = 0; i < plugin->glyphs.total; i++) {
497 if(!plugin->glyphs.values[i]->data) {
498 GlyphPackage *pkg = (GlyphPackage*)get_package(current_package++);
499 pkg->glyph = plugin->glyphs.values[i];
504 LoadClient* GlyphEngine::new_client()
506 return new GlyphUnit(plugin, this);
509 LoadPackage* GlyphEngine::new_package()
511 return new GlyphPackage;
518 // Copy a single character to the text mask
519 TitlePackage::TitlePackage()
527 TitleUnit::TitleUnit(TitleMain *plugin, TitleEngine *server)
530 this->plugin = plugin;
531 this->engine = server;
534 void TitleUnit::draw_glyph(VFrame *output, VFrame *data, TitleGlyph *glyph, int x, int y)
536 int glyph_w = data->get_w(), glyph_h = data->get_h();
537 int output_w = output->get_w(), output_h = output->get_h();
538 unsigned char **in_rows = data->get_rows();
539 unsigned char **out_rows = output->get_rows();
541 int baseline = plugin->get_char_height();
542 if(engine->do_dropshadow) {
543 x += plugin->config.dropshadow;
544 y += plugin->config.dropshadow;
547 int x_in = 0, y_in = 0;
548 int x_out = x + glyph->left;
549 if( x_out < 0 ) { x_in = -x_out; x_out = 0; }
550 if( x_out+glyph_w > output_w ) glyph_w = output_w-x_out;
551 if( x_in >= glyph_w || x_out >= output_w ) return;
552 int y_out = y + baseline - glyph->top;
553 if( y_out < 0 ) { y_in = -y_out; y_out = 0; }
554 if( y_out+glyph_h > output_h ) glyph_h = output_h-y_out;
555 if( y_in >= glyph_h || y_out >= output_h ) return;
557 if(engine->do_dropshadow) {
558 while( y_in < glyph_h && y_out < output_h ) {
559 unsigned char *in_row = in_rows[y_in];
560 unsigned char *out_row = out_rows[y_out];
561 for( int xin=x_in,xout=x_out*4+3; xin<glyph_w; ++xin,xout+=4 ) {
562 out_row[xout] = in_row[xin];
570 plugin->get_color_components(&r, &g, &b, &a, 0);
571 int outline = plugin->config.outline_size;
572 if(outline) a = 0xff;
574 while( y_in < glyph_h && y_out < output_h ) {
575 unsigned char *in_row = in_rows[y_in];
576 unsigned char *out_row = out_rows[y_out];
577 for( int xin=x_in,xout=x_out*4+0; xin<glyph_w; ++xin,xout+=4 ) {
578 int in_a = in_row[xin], out_a = out_row[xout+3];
579 if( in_a + out_a == 0 ) continue; // alpha blundering
580 int opacity = in_a * a, transp = out_a * (0xff - opacity/0xff);
581 out_row[xout+0] = (opacity * r + transp * out_row[xout+0]) / (0xff*0xff);
582 out_row[xout+1] = (opacity * g + transp * out_row[xout+1]) / (0xff*0xff);
583 out_row[xout+2] = (opacity * b + transp * out_row[xout+2]) / (0xff*0xff);
584 out_row[xout+3] = (opacity + transp) / 0xff;
591 void TitleUnit::process_package(LoadPackage *package)
593 TitlePackage *pkg = (TitlePackage*)package;
595 if( pkg->char_code == 0 || pkg->char_code == '\n') return;
596 TitleGlyph *glyph = plugin->get_glyph(pkg->char_code);
598 draw_glyph(plugin->text_mask, glyph->data, glyph, pkg->x, pkg->y);
599 if(plugin->config.stroke_width >= ZERO && (plugin->config.style & BC_FONT_OUTLINE))
600 draw_glyph(plugin->text_mask_stroke, glyph->data_stroke, glyph, pkg->x, pkg->y);
603 TitleEngine::TitleEngine(TitleMain *plugin, int cpus)
604 : LoadServer(cpus, cpus)
606 this->plugin = plugin;
609 void TitleEngine::init_packages()
611 int current_package = 0;
612 int dx = plugin->config.outline_size - plugin->extent.x1;
613 int dy = plugin->config.outline_size - plugin->extent.y1;
614 for(int i = plugin->visible_char1; i < plugin->visible_char2; i++) {
615 TitlePackage *pkg = (TitlePackage*)get_package(current_package++);
616 char_pos_t *pos = plugin->char_pos + i;
617 pkg->x = pos->x + dx;
618 pkg->y = pos->y + dy;
619 pkg->char_code = plugin->config.wtext[i];
620 //printf("draw '%c' at %d,%d\n",(int)pkg->char_code, pkg->x, pkg->y);
624 LoadClient* TitleEngine::new_client()
626 return new TitleUnit(plugin, this);
629 LoadPackage* TitleEngine::new_package()
631 return new TitlePackage;
634 void TitleTranslateUnit::translation_array_f(transfer_table_f* &table,
645 //float offset = out_x1 - in_x1;
647 out_x1_int = (int)out_x1;
648 out_x2_int = MIN((int)ceil(out_x2), out_total);
649 out_w_int = out_x2_int - out_x1_int;
651 table = new transfer_table_f[out_w_int];
652 bzero(table, sizeof(transfer_table_f) * out_w_int);
655 for(int out_x = out_x1_int; out_x < out_x2_int; out_x++)
657 transfer_table_f *entry = &table[out_x - out_x1_int];
659 entry->in_x1 = (int)in_x;
660 entry->in_x2 = (int)in_x + 1;
662 // Get fraction of output pixel to fill
663 entry->output_fraction = 1;
667 entry->output_fraction -= out_x1 - out_x;
670 if(out_x2 < out_x + 1)
672 entry->output_fraction = (out_x2 - out_x);
675 // Advance in_x until out_x_fraction is filled
676 float out_x_fraction = entry->output_fraction;
677 float in_x_fraction = floor(in_x + 1) - in_x;
679 if(out_x_fraction <= in_x_fraction)
681 entry->in_fraction1 = out_x_fraction;
682 entry->in_fraction2 = 0.0;
683 in_x += out_x_fraction;
687 entry->in_fraction1 = in_x_fraction;
688 in_x += out_x_fraction;
689 entry->in_fraction2 = in_x - floor(in_x);
692 // Clip in_x and zero out fraction. This doesn't work for YUV.
693 if(entry->in_x2 >= in_total)
695 entry->in_x2 = in_total - 1;
696 entry->in_fraction2 = 0.0;
699 if(entry->in_x1 >= in_total)
701 entry->in_x1 = in_total - 1;
702 entry->in_fraction1 = 0.0;
709 // Copy a single character to the text mask
710 TitleOutlinePackage::TitleOutlinePackage()
716 TitleOutlineUnit::TitleOutlineUnit(TitleMain *plugin, TitleOutlineEngine *server)
719 this->plugin = plugin;
720 this->engine = server;
723 void TitleOutlineUnit::process_package(LoadPackage *package)
725 TitleOutlinePackage *pkg = (TitleOutlinePackage*)package;
726 int r, g, b, outline_a;
727 plugin->get_color_components(&r, &g, &b, &outline_a, 1);
728 int title_r, title_g, title_b, title_a;
729 plugin->get_color_components(&title_r, &title_g, &title_b, &title_a, 0);
730 unsigned char **outline_rows = plugin->outline_mask->get_rows();
731 unsigned char **text_rows = plugin->text_mask->get_rows();
732 int mask_w1 = plugin->text_mask->get_w()-1;
733 int mask_h1 = plugin->text_mask->get_h()-1;
734 int ofs = plugin->config.outline_size;
736 if(engine->pass == 0) {
737 // get max alpha under outline size macropixel
738 for(int y = pkg->y1; y < pkg->y2; y++) {
739 unsigned char *out_row = outline_rows[y];
740 int y1 = y - ofs, y2 = y + ofs;
741 CLAMP(y1, 0, mask_h1); CLAMP(y2, 0, mask_h1);
742 for(int x = 0; x < plugin->text_mask->get_w(); x++) {
743 int x1 = x - ofs, x2 = x + ofs;
744 CLAMP(x1, 0, mask_w1); CLAMP(x2, 0, mask_w1);
747 for(int yy = y1; yy <= y2; yy++) {
748 unsigned char *text_row = text_rows[yy];
749 for(int xx = x1; xx <= x2; ++xx) {
750 unsigned char *pixel = text_row + xx*4;
751 if(pixel[3] > max_a) max_a = pixel[3];
755 unsigned char *out = out_row + x*4;
756 out[0] = r; out[1] = g; out[2] = b;
757 out[3] = (max_a * outline_a) / 0xff;
763 // Overlay text mask on top of outline mask
764 for(int y = pkg->y1; y < pkg->y2; y++) {
765 unsigned char *outline_row = outline_rows[y];
766 unsigned char *text_row = text_rows[y];
767 for(int x = 0; x < plugin->text_mask->get_w(); x++) {
768 unsigned char *out = text_row + x * 4;
769 unsigned char *inp = outline_row + x * 4;
770 int out_a = out[3], in_a = inp[3];
771 int transparency = in_a * (0xff - out_a) / 0xff;
772 out[0] = (out[0] * out_a + inp[0] * transparency) / 0xff;
773 out[1] = (out[1] * out_a + inp[1] * transparency) / 0xff;
774 out[2] = (out[2] * out_a + inp[2] * transparency) / 0xff;
775 out[3] = out_a + transparency;
781 TitleOutlineEngine::TitleOutlineEngine(TitleMain *plugin, int cpus)
782 : LoadServer(cpus, cpus)
784 this->plugin = plugin;
787 void TitleOutlineEngine::init_packages()
789 int mask_h = plugin->text_mask->get_h();
790 if( !mask_h ) return;
791 int py1 = 0, py2 = 0;
792 int pkgs = get_total_packages();
793 for( int i=0; i<pkgs; py1=py2 ) {
794 TitleOutlinePackage *pkg = (TitleOutlinePackage*)get_package(i);
795 py2 = (++i * mask_h)/ pkgs;
796 pkg->y1 = py1; pkg->y2 = py2;
800 void TitleOutlineEngine::do_outline()
802 pass = 0; process_packages();
803 pass = 1; process_packages();
806 LoadClient* TitleOutlineEngine::new_client()
808 return new TitleOutlineUnit(plugin, this);
811 LoadPackage* TitleOutlineEngine::new_package()
813 return new TitleOutlinePackage;
819 TitleTranslatePackage::TitleTranslatePackage()
826 TitleTranslateUnit::TitleTranslateUnit(TitleMain *plugin, TitleTranslate *server)
829 this->plugin = plugin;
832 void TitleTranslate::run_packages()
834 output_w = plugin->output->get_w();
835 output_h = plugin->output->get_h();
837 float x1 = plugin->text_x1 + plugin->extent.x1;
838 float x2 = plugin->text_x1 + plugin->extent.x2;
839 if (x2 <= 0 || x1 >= x2 || x1 >= output_w) return;
841 float y1 = plugin->text_y1 + plugin->extent.y1;
842 float y2 = plugin->text_y1 + plugin->extent.y2;
843 if (y2 <= 0 || y1 >= y2 || y1 >= output_h) return;
851 #define TRANSLATE(type, max, components) \
853 unsigned char **in_rows = plugin->text_mask->get_rows(); \
854 type **out_rows = (type**)plugin->output->get_rows(); \
856 for(int i = pkg->y1; i < pkg->y2; i++) \
858 if(i + server->out_y1_int >= 0 && \
859 i + server->out_y1_int < server->output_h) \
862 float y_fraction1, y_fraction2; \
863 in_y1 = server->y_table[i].in_x1; \
864 in_y2 = server->y_table[i].in_x2; \
865 y_fraction1 = server->y_table[i].in_fraction1; \
866 y_fraction2 = server->y_table[i].in_fraction2; \
867 unsigned char *in_row1 = in_rows[in_y1]; \
868 unsigned char *in_row2 = in_rows[in_y2]; \
869 type *out_row = out_rows[i + server->out_y1_int]; \
871 for(int j = server->out_x1_int; j < server->out_x2_int; j++) \
873 if(j >= 0 && j < server->output_w) \
880 server->x_table[j - server->out_x1_int].in_x1; \
882 server->x_table[j - server->out_x1_int].in_x2; \
884 server->x_table[j - server->out_x1_int].in_fraction1; \
886 server->x_table[j - server->out_x1_int].in_fraction2; \
888 float fraction1 = x_fraction1 * y_fraction1; \
889 float fraction2 = x_fraction2 * y_fraction1; \
890 float fraction3 = x_fraction1 * y_fraction2; \
891 float fraction4 = x_fraction2 * y_fraction2; \
892 type input_r = (type)(in_row1[in_x1 * 4 + 0] * fraction1 + \
893 in_row1[in_x2 * 4 + 0] * fraction2 + \
894 in_row2[in_x1 * 4 + 0] * fraction3 + \
895 in_row2[in_x2 * 4 + 0] * fraction4); \
896 type input_g = (type)(in_row1[in_x1 * 4 + 1] * fraction1 + \
897 in_row1[in_x2 * 4 + 1] * fraction2 + \
898 in_row2[in_x1 * 4 + 1] * fraction3 + \
899 in_row2[in_x2 * 4 + 1] * fraction4); \
900 type input_b = (type)(in_row1[in_x1 * 4 + 2] * fraction1 + \
901 in_row1[in_x2 * 4 + 2] * fraction2 + \
902 in_row2[in_x1 * 4 + 2] * fraction3 + \
903 in_row2[in_x2 * 4 + 2] * fraction4); \
904 type input_a = (type)(in_row1[in_x1 * 4 + 3] * fraction1 + \
905 in_row1[in_x2 * 4 + 3] * fraction2 + \
906 in_row2[in_x1 * 4 + 3] * fraction3 + \
907 in_row2[in_x2 * 4 + 3] * fraction4); \
908 /* Plugin alpha is actually 0 - 0x100 */ \
909 input_a = input_a * plugin->alpha / 0x100; \
913 if(components == 4) \
915 transparency = out_row[j * components + 3] * (max - input_a) / max; \
916 out_row[j * components + 0] = \
917 (input_r * input_a + out_row[j * components + 0] * transparency) / max; \
918 out_row[j * components + 1] = \
919 (input_g * input_a + out_row[j * components + 1] * transparency) / max; \
920 out_row[j * components + 2] = \
921 (input_b * input_a + out_row[j * components + 2] * transparency) / max; \
922 out_row[j * components + 3] = \
923 MAX(input_a, out_row[j * components + 3]); \
927 transparency = max - input_a; \
928 out_row[j * components + 0] = \
929 (input_r * input_a + out_row[j * components + 0] * transparency) / max; \
930 out_row[j * components + 1] = \
931 (input_g * input_a + out_row[j * components + 1] * transparency) / max; \
932 out_row[j * components + 2] = \
933 (input_b * input_a + out_row[j * components + 2] * transparency) / max; \
941 #define TRANSLATEA(type, max, components, r, g, b) \
943 unsigned char **in_rows = plugin->text_mask->get_rows(); \
944 type **out_rows = (type**)plugin->output->get_rows(); \
946 for(int i = pkg->y1; i < pkg->y2; i++) \
948 if(i + server->out_y1_int >= 0 && \
949 i + server->out_y1_int < server->output_h) \
951 unsigned char *in_row = in_rows[i]; \
952 type *out_row = out_rows[i + server->out_y1_int]; \
954 for(int j = server->out_x1; j < server->out_x2_int; j++) \
957 j < server->output_w) \
959 int input = (int)(in_row[j - server->out_x1]); \
961 input *= plugin->alpha; \
962 /* Alpha is 0 - 256 */ \
965 int anti_input = 0xff - input; \
966 if(components == 4) \
968 out_row[j * components + 0] = \
969 (r * input + out_row[j * components + 0] * anti_input) / 0xff; \
970 out_row[j * components + 1] = \
971 (g * input + out_row[j * components + 1] * anti_input) / 0xff; \
972 out_row[j * components + 2] = \
973 (b * input + out_row[j * components + 2] * anti_input) / 0xff; \
975 out_row[j * components + 3] = \
976 MAX((input << 8) | input, out_row[j * components + 3]); \
978 out_row[j * components + 3] = \
979 MAX(input, out_row[j * components + 3]); \
983 out_row[j * components + 0] = \
984 (r * input + out_row[j * components + 0] * anti_input) / 0xff; \
985 out_row[j * components + 1] = \
986 (g * input + out_row[j * components + 1] * anti_input) / 0xff; \
987 out_row[j * components + 2] = \
988 (b * input + out_row[j * components + 2] * anti_input) / 0xff; \
996 void TitleTranslateUnit::process_package(LoadPackage *package)
998 TitleTranslatePackage *pkg = (TitleTranslatePackage*)package;
999 TitleTranslate *server = (TitleTranslate*)this->server;
1001 switch(plugin->output->get_color_model()) {
1002 case BC_RGB888: TRANSLATE(unsigned char, 0xff, 3); break;
1003 case BC_RGB_FLOAT: TRANSLATE(float, 1.0, 3); break;
1004 case BC_YUV888: TRANSLATE(unsigned char, 0xff, 3); break;
1005 case BC_RGBA_FLOAT: TRANSLATE(float, 1.0, 4); break;
1006 case BC_RGBA8888: TRANSLATE(unsigned char, 0xff, 4); break;
1007 case BC_YUVA8888: TRANSLATE(unsigned char, 0xff, 4); break;
1009 //printf("TitleTranslateUnit::process_package 5\n");
1015 TitleTranslate::TitleTranslate(TitleMain *plugin, int cpus)
1016 : LoadServer(cpus, cpus)
1018 this->plugin = plugin;
1021 out_x1 = out_x2 = 0;
1022 out_y1 = out_y2 = 0;
1023 out_x1_int = out_x2_int = 0;
1024 out_y1_int = out_y2_int = 0;
1025 output_w = output_h = 0;
1028 TitleTranslate::~TitleTranslate()
1034 void TitleTranslate::init_packages()
1036 // Generate scaling tables
1037 delete [] x_table; x_table = 0;
1038 delete [] y_table; y_table = 0;
1040 output_w = plugin->output->get_w();
1041 output_h = plugin->output->get_h();
1043 float x1 = plugin->text_x1 + plugin->extent.x1;
1044 float x2 = plugin->text_x1 + plugin->extent.x2;
1045 TitleTranslateUnit::translation_array_f(x_table, x1, x2, 0,
1046 plugin->mask_w, plugin->mask_w,
1047 output_w, out_x1_int, out_x2_int);
1049 float y1 = plugin->text_y1 + plugin->extent.y1;
1050 float y2 = plugin->text_y1 + plugin->extent.y2;
1051 TitleTranslateUnit::translation_array_f(y_table, y1, y2, 0,
1052 plugin->mask_h, plugin->mask_h,
1053 output_h, out_y1_int, out_y2_int);
1055 //printf("TitleTranslate::init_packages 1\n");
1056 out_x1 = out_x1_int; out_x2 = out_x2_int;
1057 out_y1 = out_y1_int; out_y2 = out_y2_int;
1059 int out_h = out_y2 - out_y1;
1060 int py1 = 0, py2 = 0;
1061 int pkgs = get_total_packages();
1062 for( int i=0; i<pkgs; py1=py2 ) {
1063 TitleTranslatePackage *pkg = (TitleTranslatePackage*)get_package(i);
1064 py2 = (++i*out_h) / pkgs;
1065 pkg->y1 = py1; pkg->y2 = py2;
1067 //printf("TitleTranslate::init_packages 2\n");
1070 LoadClient* TitleTranslate::new_client()
1072 return new TitleTranslateUnit(plugin, this);
1075 LoadPackage* TitleTranslate::new_package()
1077 return new TitleTranslatePackage;
1082 TitleMain::TitleMain(PluginServer *server)
1083 : PluginVClient(server)
1087 text_mask_stroke = 0;
1091 freetype_library = 0;
1097 visible_row1 = 0; visible_row2 = 0;
1098 visible_char1 = 0; visible_char2 = 0;
1099 text_y1 = text_y2 = text_x1 = 0;
1102 text_w = 0; text_h = 0;
1103 input = 0; output = 0;
1104 cpus = PluginClient::smp + 1;
1105 if( cpus > 8 ) cpus = 8;
1106 need_reconfigure = 1;
1109 TitleMain::~TitleMain()
1112 delete outline_mask;
1113 delete text_mask_stroke;
1117 delete glyph_engine;
1118 delete title_engine;
1120 FT_Done_Face(freetype_face);
1121 if( freetype_library )
1122 FT_Done_FreeType(freetype_library);
1124 delete outline_engine;
1127 const char* TitleMain::plugin_title() { return N_("Title"); }
1128 int TitleMain::is_realtime() { return 1; }
1129 int TitleMain::is_synthesis() { return 1; }
1131 NEW_WINDOW_MACRO(TitleMain, TitleWindow);
1134 void TitleMain::build_previews(TitleWindow *gui)
1136 ArrayList<BC_FontEntry*>*fonts = gui->get_resources()->fontlist;
1138 for(int font_number = 0; font_number < fonts->size(); font_number++)
1140 BC_FontEntry *font_entry = fonts->get(font_number);
1141 // already have examples
1142 if(font_entry->image) return;
1145 // create example bitmaps
1146 FT_Library freetype_library = 0; // Freetype library
1147 FT_Face freetype_face = 0;
1148 const char *test_string = "Aa";
1149 char new_path[BCTEXTLEN];
1150 int text_height = gui->get_text_height(LARGEFONT);
1151 int text_color = BC_WindowBase::get_resources()->default_text_color;
1152 int r = (text_color >> 16) & 0xff;
1153 int g = (text_color >> 8) & 0xff;
1154 int b = text_color & 0xff;
1155 // dimensions for each line
1156 int height[fonts->size()];
1157 int ascent[fonts->size()];
1159 // pass 1 gets the extents for all the fonts
1160 // pass 2 draws the image
1163 for(int pass = 0; pass < 2; pass++)
1165 //printf("TitleMain::build_previews %d %d %d\n",
1169 for(int font_number = 0; font_number < fonts->size(); font_number++)
1171 BC_FontEntry *font_entry = fonts->get(font_number);
1173 // test if font of same name has been processed
1175 for(int i = 0; i < font_number; i++) {
1176 if(!strcasecmp(fonts->get(i)->displayname, font_entry->displayname)) {
1178 font_entry->image = fonts->get(i)->image;
1189 int current_ascent = 0;
1192 font_entry->image = new VFrame;
1193 font_entry->image->set_use_shm(0);
1194 font_entry->image->reallocate(0, -1, 0, 0, 0,
1195 total_w, total_h, BC_RGBA8888, -1);
1196 font_entry->image->clear_frame();
1201 int len = strlen(test_string);
1202 for(int j = 0; j < len; j++)
1204 FT_ULong c = test_string[j];
1205 check_char_code_path(freetype_library,
1209 if( !load_freetype_face(freetype_library,
1210 freetype_face, new_path)) {
1211 FT_Set_Pixel_Sizes(freetype_face, text_height, 0);
1213 if(!FT_Load_Char(freetype_face, c, FT_LOAD_RENDER)) {
1215 current_w = current_x + freetype_face->glyph->bitmap.width;
1216 if(freetype_face->glyph->bitmap_top > current_ascent)
1217 current_ascent = freetype_face->glyph->bitmap_top;
1218 if(freetype_face->glyph->bitmap.rows > total_h)
1219 total_h = freetype_face->glyph->bitmap.rows;
1220 if(freetype_face->glyph->bitmap.rows > current_h)
1221 current_h = freetype_face->glyph->bitmap.rows;
1224 // copy 1 row at a time
1225 // center vertically
1226 int out_y = (total_h - height[font_number]) / 2 +
1227 ascent[font_number] - freetype_face->glyph->bitmap_top;
1229 in_y < freetype_face->glyph->bitmap.rows &&
1232 unsigned char *out_row = font_entry->image->get_rows()[out_y] +
1234 unsigned char *in_row = freetype_face->glyph->bitmap.buffer +
1235 freetype_face->glyph->bitmap.pitch * in_y;
1237 for(int out_x = 0; out_x < freetype_face->glyph->bitmap.width &&
1240 *out_row = (*in_row * r +
1241 (0xff - *in_row) * *out_row) / 0xff; ++out_row;
1242 *out_row = (*in_row * g +
1243 (0xff - *in_row) * *out_row) / 0xff; ++out_row;
1244 *out_row = (*in_row * b +
1245 (0xff - *in_row) * *out_row) / 0xff; ++out_row;
1246 *out_row = MAX(*in_row, *out_row); ++out_row;
1253 current_x += freetype_face->glyph->advance.x >> 6;
1258 height[font_number] = current_h;
1259 ascent[font_number] = current_ascent;
1260 if(pass == 0 && current_w > total_w) total_w = current_w;
1265 if(freetype_library) FT_Done_FreeType(freetype_library);
1270 //This checks if char_code is on the selected font, else it changes font to the first compatible //Akirad
1271 int TitleMain::check_char_code_path(FT_Library &freetype_library,
1273 FT_ULong &char_code,
1276 FT_Face temp_freetype_face;
1280 FcChar8 *file, *format;
1285 config = FcConfigGetCurrent();
1286 FcConfigSetRescanInterval(config, 0);
1288 pat = FcPatternCreate();
1289 os = FcObjectSetBuild ( FC_FILE, FC_FONTFORMAT, (char *) 0);
1290 fs = FcFontList(config, pat, os);
1293 char tmpstring[BCTEXTLEN];
1294 int limit_to_truetype = 0; //if you want to limit search to truetype put 1
1295 if(!freetype_library) FT_Init_FreeType(&freetype_library);
1296 if(!FT_New_Face(freetype_library,
1299 &temp_freetype_face))
1301 FT_Set_Pixel_Sizes(temp_freetype_face, 128, 0);
1302 int gindex = FT_Get_Char_Index(temp_freetype_face, char_code);
1303 if((!gindex == 0) && (!char_code != 10))
1305 strcpy(path_new, path_old);
1312 for (i=0; fs && i < fs->nfont; i++)
1314 font = fs->fonts[i];
1315 FcPatternGetString(font, FC_FONTFORMAT, 0, &format);
1316 if((!strcmp((char *)format, "TrueType")) || limit_to_truetype)
1318 if(FcPatternGetString(font, FC_FILE, 0, &file) == FcResultMatch)
1321 sprintf(tmpstring, "%s", file);
1322 if(!FT_New_Face(freetype_library,
1325 &temp_freetype_face))
1327 FT_Set_Pixel_Sizes(temp_freetype_face, 128, 0);
1328 int gindex = FT_Get_Char_Index(temp_freetype_face, char_code);
1329 if((!gindex == 0) && (!char_code != 10))
1331 sprintf(path_new, "%s", tmpstring);
1343 if(fs) FcFontSetDestroy(fs);
1344 if(temp_freetype_face) FT_Done_Face(temp_freetype_face);
1345 temp_freetype_face = 0;
1349 strcpy(path_new, path_old);
1359 int TitleMain::load_freetype_face(FT_Library &freetype_library,
1360 FT_Face &freetype_face,
1363 //printf("TitleMain::load_freetype_face 1\n");
1364 if(!freetype_library)
1365 FT_Init_FreeType(&freetype_library);
1367 FT_Done_Face(freetype_face);
1369 //printf("TitleMain::load_freetype_face 2\n");
1371 // Use freetype's internal function for loading font
1372 if(FT_New_Face(freetype_library, path, 0, &freetype_face)) {
1373 fprintf(stderr, _("TitleMain::load_freetype_face %s failed.\n"), path);
1375 freetype_library = 0;
1381 BC_FontEntry* TitleMain::get_font()
1386 style |= (config.style & BC_FONT_ITALIC) ? FL_SLANT_ITALIC : FL_SLANT_ROMAN;
1387 style |= (config.style & BC_FONT_BOLD) ? FL_WEIGHT_BOLD : FL_WEIGHT_NORMAL;
1389 mask = FL_WEIGHT_MASK | FL_SLANT_MASK;
1391 BC_Resources *resources = BC_WindowBase::get_resources();
1392 return resources->find_fontentry(config.font, style, mask);
1395 int TitleMain::get_char_height()
1397 // this is baseline to the baseline distance
1398 int result = config.size;
1399 if((config.style & BC_FONT_OUTLINE)) result += (int)ceil(config.stroke_width * 2);
1403 TitleGlyph *TitleMain::get_glyph(FT_ULong char_code)
1405 for(int i = 0; i < glyphs.size(); i++) {
1406 if(glyphs.get(i)->char_code == char_code)
1407 return glyphs.get(i);
1412 int TitleMain::get_char_width(FT_ULong char_code)
1414 if(char_code == '\n') return 0;
1415 TitleGlyph *glyph = get_glyph(char_code);
1416 return !glyph ? 0 : glyph->width;
1419 int TitleMain::get_char_advance(FT_ULong current, FT_ULong next)
1423 if(current == '\n') return 0;
1424 TitleGlyph *current_glyph = get_glyph(current);
1425 int result = !current_glyph ? 0 : current_glyph->advance_x;
1426 TitleGlyph *next_glyph = !next ? 0 : get_glyph(next);
1428 FT_Get_Kerning(freetype_face,
1429 current_glyph->freetype_index,
1430 next_glyph->freetype_index,
1435 return result + (kerning.x >> 6);
1438 void TitleMain::load_glyphs()
1440 // Build table of all glyphs needed
1441 int total_packages = 0;
1443 for(int i = 0; i < config.wlen; i++)
1446 FT_ULong char_code = config.wtext[i];
1448 for(int j = 0; j < glyphs.total; j++) {
1449 if(glyphs.values[j]->char_code == char_code) {
1455 if(!exists && char_code != 0) {
1457 TitleGlyph *glyph = new TitleGlyph;
1458 glyphs.append(glyph);
1459 glyph->char_code = char_code;
1464 glyph_engine = new GlyphEngine(this, cpus);
1466 glyph_engine->set_package_count(total_packages);
1467 glyph_engine->process_packages();
1471 void TitleMain::get_total_extents()
1473 // Determine extents of total text
1474 int wlen = config.wlen;
1475 char_pos = new char_pos_t[wlen+1];
1477 int pitch = config.line_pitch;
1478 int font_h = get_char_height();
1480 int row_w = 0, row_h = 0;
1481 int max_char_w = 0, max_char_h = 0;
1482 text_h = text_w = 0;
1484 // unjustified positions, initial bbox
1485 for(int i = 0; i < wlen; i++) {
1486 char_pos[i].x = row_w;
1487 char_pos[i].y = text_h;
1488 char_pos[i].row = row;
1489 wchar_t wchar = config.wtext[i];
1490 if( wchar == '\n' ) {
1491 text_h += pitch ? pitch : row_h > font_h ? row_h : font_h;
1492 if(row_w > text_w) text_w = row_w;
1493 row_w = row_h = 0; ++row;
1496 TitleGlyph *glyph = get_glyph(wchar);
1497 int char_w = i+1>=wlen ? glyph->width :
1498 get_char_advance(wchar, config.wtext[i+1]);
1499 char_pos[i].w = char_w;
1501 if( char_w > max_char_w ) max_char_w = char_w;
1502 int char_h = glyph->top - glyph->bottom;
1503 if( char_h > max_char_h ) max_char_h = char_h;
1504 if( char_h > row_h ) row_h = char_h;
1505 //printf("charcode '%c' %d,%d glyph bbox %d,%d %d,%d\n",
1506 // (int)wchar, char_pos[i].x, char_pos[i].y,
1507 // glyph->left, glyph->top, glyph->right, glyph->bottom);
1509 if( wlen > 0 && config.wtext[wlen-1] != '\n' ) {
1510 text_h += pitch ? pitch : row_h > font_h ? row_h : font_h;
1511 if(row_w > text_w) text_w = row_w;
1514 char_pos[wlen].x = row_w;
1515 char_pos[wlen].y = text_h;
1516 char_pos[wlen].row = row;
1517 char_pos[wlen].w = 0;
1520 // justify positions
1521 int row_start = 0, pos = 0;
1522 switch(config.hjustification) {
1524 while( row_start < wlen ) {
1525 while( pos<wlen && config.wtext[pos]!='\n' ) ++pos;
1526 int ofs = (text_w - char_pos[pos].x) / 2;
1527 //printf("justify_mid ofs=%d\n", ofs);
1528 while( row_start < pos )
1529 char_pos[row_start++].x += ofs;
1534 while( row_start < wlen ) {
1535 while( pos<wlen && config.wtext[pos]!='\n' ) ++pos;
1536 int ofs = text_w - char_pos[pos].x;
1537 //printf("justify_right ofs=%d\n", ofs);
1538 while( row_start < pos )
1539 char_pos[row_start++].x += ofs;
1548 if( row_geom_size < text_rows+1 ) {
1549 delete [] row_geom; row_geom = 0;
1552 row_geom_size = text_rows+1;
1553 row_geom = new RowGeom[row_geom_size];
1556 // Determine row extents
1557 struct RowGeom *geom = &row_geom[0];
1558 TitleGlyph *glyph = 0;
1559 geom->x0 = geom->y0 = 0;
1560 geom->x1 = geom->y1 = 0;
1561 geom->x2 = geom->y2 = 0;
1563 // x0,y0 row origin in without kern
1564 // x1,y1 - x2,y2 left baseline relative bbox with kerns
1565 for(int i = 0; i < wlen; i++) {
1566 int x = char_pos[i].x;
1567 int y = char_pos[i].y;
1568 wchar_t wchar = config.wtext[i];
1569 if( wchar == '\n' ) {
1571 geom->x0 = geom->y0 = 0;
1572 geom->x1 = geom->y1 = 0;
1573 geom->x2 = geom->y2 = 0;
1576 TitleGlyph *gp = get_glyph(wchar);
1579 geom->x0 = x; geom->y0 = y;
1580 int dx = x-geom->x0, dy = y-geom->y0 + config.size;
1581 geom->x1 = dx + gp->left; geom->y1 = dy - gp->top;
1582 geom->x2 = dx + gp->right; geom->y2 = dy - gp->bottom;
1585 int dx = x-geom->x0, dy = y-geom->y0 + config.size;
1586 int dx1 = dx + glyph->left;
1587 int dx2 = dx + glyph->right;
1588 if( dx1 < geom->x1 ) geom->x1 = dx1;
1589 if( dx2 > geom->x2 ) geom->x2 = dx2;
1590 int dy1 = dy - glyph->top;
1591 int dy2 = dy - glyph->bottom;
1592 if( dy1 < geom->y1 ) geom->y1 = dy1;
1593 if( dy2 > geom->y2 ) geom->y2 = dy2;
1594 //printf("charcode '%c' %d,%d row bbox %d,%d %d,%d %d,%d\n",
1595 // (int)wchar, x,y, geom->x0,geom->y0, geom->x1,geom->y1, geom->x2,geom->y2);
1597 if( wlen > 0 && config.wtext[wlen-1] != '\n' ) {
1601 geom->x1 = geom->y1 = 0;
1602 geom->x2 = geom->y2 = 0;
1606 int TitleMain::draw_mask()
1608 int old_visible_row1 = visible_row1;
1609 int old_visible_row2 = visible_row2;
1611 // Determine y of visible text
1612 if(config.motion_strategy == BOTTOM_TO_TOP) {
1613 // printf("TitleMain::draw_mask 1 %d %lld %lld %lld\n",
1614 // config.motion_strategy,
1615 // get_source_position(),
1616 // get_source_start(),
1617 // config.prev_keyframe_position);
1618 float magnitude = config.pixels_per_second *
1619 (get_source_position() - config.prev_keyframe_position) /
1620 PluginVClient::project_frame_rate;
1622 int loop_size = text_h + input->get_h();
1623 magnitude -= (int)(magnitude / loop_size) * loop_size;
1625 text_y1 = config.y + input->get_h() - magnitude;
1628 if(config.motion_strategy == TOP_TO_BOTTOM) {
1629 float magnitude = config.pixels_per_second *
1630 (get_source_position() - config.prev_keyframe_position) /
1631 PluginVClient::project_frame_rate;
1634 int loop_size = text_h + input->get_h();
1635 magnitude -= (int)(magnitude / loop_size) * loop_size;
1637 text_y1 = config.y + magnitude;
1640 else if(config.vjustification == JUSTIFY_TOP) {
1643 else if(config.vjustification == JUSTIFY_MID) {
1644 text_y1 = config.y + input->get_h() / 2 - text_h / 2;
1646 else if(config.vjustification == JUSTIFY_BOTTOM) {
1647 text_y1 = config.y + input->get_h() - text_h;
1650 text_y2 = text_y1 + text_h + 0.5;
1652 // Determine x of visible text
1653 if(config.motion_strategy == RIGHT_TO_LEFT) {
1654 float magnitude = config.pixels_per_second *
1655 (get_source_position() - config.prev_keyframe_position) /
1656 PluginVClient::project_frame_rate;
1658 int loop_size = text_w + input->get_w();
1659 magnitude -= (int)(magnitude / loop_size) * loop_size;
1661 text_x1 = config.x + (float)input->get_w() - magnitude;
1663 else if(config.motion_strategy == LEFT_TO_RIGHT) {
1664 float magnitude = config.pixels_per_second *
1665 (get_source_position() - config.prev_keyframe_position) /
1666 PluginVClient::project_frame_rate;
1668 int loop_size = text_w + input->get_w();
1669 magnitude -= (int)(magnitude / loop_size) * loop_size;
1671 text_x1 = config.x + -(float)text_w + magnitude;
1673 else if(config.hjustification == JUSTIFY_LEFT) {
1676 else if(config.hjustification == JUSTIFY_MID) {
1677 text_x1 = config.x + input->get_w() / 2 - text_w / 2;
1679 else if(config.hjustification == JUSTIFY_RIGHT) {
1680 text_x1 = config.x + input->get_w() - text_w;
1682 text_x2 = text_x1 + text_w;
1684 // bottom of this row is visible
1687 while( visible_row1 < text_rows ) {
1688 geom = &row_geom[visible_row1];
1689 int y0 = text_y1 + geom->bottom();
1694 // top of next row is not visible
1695 visible_row2 = visible_row1;
1696 while( visible_row2 < text_rows ) {
1697 geom = &row_geom[visible_row2];
1698 int y0 = text_y1 + geom->top();
1699 if( y0 >= input->get_h() ) break;
1703 if( visible_row1 == visible_row2 ) return 1;
1705 //printf("visible rows %d to %d\n", visible_row1, visible_row2);
1706 // Only use visible rows, get bbox including kerns
1707 // text origin, no kerning
1708 geom = &row_geom[visible_row1];
1709 extent.x0 = geom->x0; extent.y0 = geom->y0;
1710 extent.x1 = geom->left(); extent.y1 = geom->top();
1711 extent.x2 = geom->right(); extent.y2 = geom->bottom();
1713 for( int i=visible_row1; i<visible_row2; ++i ) {
1714 geom = &row_geom[i]; int v;
1715 if( (v=geom->left()) < extent.x1 ) extent.x1 = v;
1716 if( (v=geom->top()) < extent.y1 ) extent.y1 = v;
1717 if( (v=geom->right()) > extent.x2 ) extent.x2 = v;
1718 if( (v=geom->bottom()) > extent.y2 ) extent.y2 = v;
1721 //printf("exts x0,y0=%d,%d x1,y1=%d,%d x2,y2=%d,%d text %f,%f %dx%d\n",
1722 // extent.x0,extent.y0, extent.x1,extent.y1, extent.x2,extent.y2,
1723 // text_x1,text_y1, text_w,text_h);
1724 // Only draw visible chars
1725 visible_char1 = visible_char2 = -1;
1726 int wlen = config.wlen;
1727 for(int i = 0; i < wlen; i++) {
1728 char_pos_t *pos = char_pos + i;
1729 if( pos->row < visible_row1 ) continue;
1730 if( pos->row >= visible_row2 ) continue;
1731 if(visible_char1 < 0) visible_char1 = i;
1736 extent.x1 -= config.outline_size*2;
1737 extent.y1 -= config.outline_size*2;
1738 extent.x2 += config.dropshadow + config.outline_size*2;
1739 extent.y2 += config.dropshadow + config.outline_size*2;
1741 // Determine mask geometry
1742 mask_w = extent.x2 - extent.x1;
1743 if( mask_w <= 0 ) return 1;
1744 mask_h = extent.y2 - extent.y1;
1745 if( mask_h <= 0 ) return 1;
1747 //printf("TitleMain::draw_mask %d-%d frame %dx%d\n",
1748 // visible_row1, visible_row2, mask_w,mask_h)
1749 int need_redraw = 0;
1750 if(text_mask && (text_mask->get_w() != mask_w || text_mask->get_h() != mask_h)) {
1751 delete text_mask; text_mask = 0;
1752 delete text_mask_stroke; text_mask_stroke = 0;
1756 // Always use 8 bit because the glyphs are 8 bit
1757 // Need to set YUV to get clear_frame to set the right chroma.
1758 int output_model = get_output()->get_color_model();
1759 int color_model = BC_CModels::is_yuv(output_model) ? BC_YUVA8888 : BC_RGBA8888;
1760 text_mask = new VFrame;
1761 text_mask->set_use_shm(0);
1762 text_mask->reallocate(0, -1, 0, 0, 0, mask_w, mask_h, color_model, -1);
1763 int drop = !config.dropshadow ? 0 : config.dropshadow;
1764 int drop_w = mask_w + drop;
1765 int drop_h = mask_h + drop;
1766 text_mask_stroke = new VFrame;
1767 text_mask_stroke->set_use_shm(0);
1768 text_mask_stroke->reallocate(0, -1, 0, 0, 0, drop_w, drop_h, color_model, -1);
1772 // Draw on text mask if it has changed
1774 old_visible_row1 != visible_row1 ||
1775 old_visible_row2 != visible_row2 ) {
1776 //printf("redraw %d to %d %d,%d %d,%d - %d,%d\n", visible_char1,visible_char2,
1777 // extent.x0, extent.y0, extent.x1,extent.y1, extent.x2,extent.y2);
1779 text_mask->clear_frame();
1780 text_mask_stroke->clear_frame();
1782 unsigned char *data = text_mask->get_data(); // draw bbox on text_mask
1783 for( int x=0; x<mask_w; ++x ) data[4*x+3] = 0xff;
1784 for( int x=0; x<mask_w; ++x ) data[4*((mask_h-1)*mask_w+x)+3] = 0xff;
1785 for( int y=0; y<mask_h; ++y ) data[4*mask_w*y+3] = 0xff;
1786 for( int y=0; y<mask_h; ++y ) data[4*(mask_w*y + mask_w-1)+3] = 0xff;
1789 title_engine = new TitleEngine(this, cpus);
1791 // Draw dropshadow first
1792 if(config.dropshadow) {
1793 title_engine->do_dropshadow = 1;
1794 title_engine->set_package_count(visible_char2 - visible_char1);
1795 title_engine->process_packages();
1798 // Then draw foreground
1799 title_engine->do_dropshadow = 0;
1800 title_engine->set_package_count(visible_char2 - visible_char1);
1801 title_engine->process_packages();
1803 // Convert to text outlines
1804 if(config.outline_size > 0) {
1806 (text_mask->get_w() != outline_mask->get_w() ||
1807 text_mask->get_h() != outline_mask->get_h())) {
1808 delete outline_mask; outline_mask = 0;
1812 outline_mask = new VFrame;
1813 outline_mask->set_use_shm(0);
1814 outline_mask->reallocate(0, -1, 0, 0, 0,
1815 text_mask->get_w(), text_mask->get_h(),
1816 text_mask->get_color_model(), -1);
1818 if(!outline_engine) outline_engine =
1819 new TitleOutlineEngine(this, cpus);
1820 outline_engine->do_outline();
1827 void TitleMain::overlay_mask()
1830 //printf("TitleMain::overlay_mask 1\n");
1832 if(!EQUIV(config.fade_in, 0))
1834 int fade_len = lroundf(config.fade_in * PluginVClient::project_frame_rate);
1835 int fade_position = get_source_position() - config.prev_keyframe_position;
1837 if(fade_position >= 0 && fade_position < fade_len)
1839 alpha = lroundf(256.0f * fade_position / fade_len);
1842 if(!EQUIV(config.fade_out, 0))
1844 int fade_len = lroundf(config.fade_out * PluginVClient::project_frame_rate);
1845 int fade_position = config.next_keyframe_position - get_source_position();
1848 if(fade_position >= 0 && fade_position < fade_len)
1850 alpha = lroundf(256.0f * fade_position / fade_len);
1855 translate = new TitleTranslate(this, cpus);
1857 if(config.dropshadow)
1859 text_x1 += config.dropshadow;
1860 if(text_x1 < input->get_w() && text_x1 + text_w > 0)
1862 // Do 2 passes if dropshadow.
1863 int temp_color = config.color;
1865 translate->run_packages();
1866 config.color = temp_color;
1868 text_x1 -= config.dropshadow;
1870 //printf("TitleMain::overlay_mask 1\n");
1872 if(text_x1 < input->get_w() && text_x1 + text_w > 0) {
1873 translate->run_packages();
1874 if (config.stroke_width >= ZERO && (config.style & BC_FONT_OUTLINE)) {
1875 int temp_color = config.color;
1876 VFrame *tmp_text_mask = this->text_mask;
1877 config.color = config.color_stroke;
1878 this->text_mask = this->text_mask_stroke;
1880 translate->run_packages();
1881 config.color = temp_color;
1882 this->text_mask = tmp_text_mask;
1885 //printf("TitleMain::overlay_mask 200\n");
1888 void TitleMain::get_color_components(int *r, int *g, int *b, int *a, int is_outline)
1890 int r_in, g_in, b_in, a_in;
1894 r_in = (config.outline_color & 0xff0000) >> 16;
1895 g_in = (config.outline_color & 0xff00) >> 8;
1896 b_in = config.outline_color & 0xff;
1897 a_in = config.outline_alpha;
1901 r_in = (config.color & 0xff0000) >> 16;
1902 g_in = (config.color & 0xff00) >> 8;
1903 b_in = config.color & 0xff;
1904 a_in = config.alpha;
1911 switch(output->get_color_model())
1914 yuv.rgb_to_yuv_8(r_in, g_in, b_in, *r, *g, *b);
1917 yuv.rgb_to_yuv_8(r_in, g_in, b_in, *r, *g, *b);
1922 void TitleMain::clear_glyphs()
1924 //printf("TitleMain::clear_glyphs 1\n");
1925 glyphs.remove_all_objects();
1928 const char* TitleMain::motion_to_text(int motion)
1932 case NO_MOTION: return _("No motion"); break;
1933 case BOTTOM_TO_TOP: return _("Bottom to top"); break;
1934 case TOP_TO_BOTTOM: return _("Top to bottom"); break;
1935 case RIGHT_TO_LEFT: return _("Right to left"); break;
1936 case LEFT_TO_RIGHT: return _("Left to right"); break;
1941 int TitleMain::text_to_motion(const char *text)
1943 for(int i = 0; i < TOTAL_PATHS; i++)
1945 if(!strcasecmp(motion_to_text(i), text)) return i;
1950 void TitleMain::reset_render()
1952 delete text_mask; text_mask = 0;
1953 delete glyph_engine; glyph_engine = 0;
1954 delete [] char_pos; char_pos = 0;
1955 delete text_mask_stroke; text_mask_stroke = 0;
1956 delete [] row_geom; row_geom = 0;
1958 visible_row1 = 0; visible_row2 = 0;
1959 visible_char1 = 0; visible_char2 = 0;
1963 FT_Done_Face(freetype_face);
1968 int TitleMain::init_freetype()
1970 if(!freetype_library)
1971 FT_Init_FreeType(&freetype_library);
1972 if(!freetype_face) {
1973 BC_FontEntry *font = get_font();
1974 if(load_freetype_face(freetype_library, freetype_face, font->path)) {
1975 printf("TitleMain::process_realtime %s: FT_New_Face failed.\n",
1979 FT_Set_Pixel_Sizes(freetype_face, config.size, 0);
1984 int TitleMain::process_realtime(VFrame *input_ptr, VFrame *output_ptr)
1988 output = output_ptr;
1990 need_reconfigure |= load_configuration();
1993 if(config.size <= 0 || config.size >= 2048)
1995 if(config.stroke_width < 0 || config.stroke_width >= 512)
1996 config.stroke_width = 0.0;
1999 if(!strlen(config.encoding))
2000 strcpy(config.encoding, DEFAULT_ENCODING);
2002 // Always synthesize text and redraw it for timecode
2005 int64_t rendered_frame = get_source_position();
2006 if (get_direction() == PLAY_REVERSE)
2007 rendered_frame -= 1;
2009 char text[BCTEXTLEN];
2011 (double)rendered_frame / PluginVClient::project_frame_rate,
2012 config.timecode_format,
2013 PluginVClient::get_project_samplerate(),
2014 PluginVClient::get_project_framerate(),
2016 config.to_wtext(config.encoding, text, strlen(text)+1);
2017 need_reconfigure = 1;
2020 // printf("TitleMain::process_realtime %d need_reconfigure=%d\n",
2022 // need_reconfigure);
2024 // Handle reconfiguration
2025 if(need_reconfigure) {
2027 result = init_freetype();
2031 get_total_extents();
2032 need_reconfigure = 0;
2038 // Determine region of text visible on the output and draw mask
2039 result = draw_mask();
2043 // Overlay mask on output
2052 void TitleMain::update_gui()
2056 int reconfigure = load_configuration();
2059 TitleWindow *window = (TitleWindow*)thread->window;
2060 window->lock_window("TitleMain::update_gui");
2062 window->unlock_window();
2063 window->color_thread->update_gui(config.color, 0);
2064 window->unlock_window();
2069 int TitleMain::load_configuration()
2071 KeyFrame *prev_keyframe, *next_keyframe;
2072 prev_keyframe = get_prev_keyframe(get_source_position());
2073 next_keyframe = get_next_keyframe(get_source_position());
2075 TitleConfig old_config, prev_config, next_config;
2076 old_config.copy_from(config);
2077 read_data(prev_keyframe);
2078 prev_config.copy_from(config);
2079 read_data(next_keyframe);
2080 next_config.copy_from(config);
2082 config.prev_keyframe_position = prev_keyframe->position;
2083 config.next_keyframe_position = next_keyframe->position;
2085 // if no previous keyframe exists, it should be start of the plugin, not start of the track
2086 if(config.next_keyframe_position == config.prev_keyframe_position)
2087 config.next_keyframe_position = get_source_start() + get_total_len();
2088 if (config.prev_keyframe_position == 0)
2089 config.prev_keyframe_position = get_source_start();
2090 // printf("TitleMain::load_configuration 10 %d %d\n",
2091 // config.prev_keyframe_position,
2092 // config.next_keyframe_position);
2094 config.interpolate(prev_config,
2096 (next_keyframe->position == prev_keyframe->position) ?
2097 get_source_position() :
2098 prev_keyframe->position,
2099 (next_keyframe->position == prev_keyframe->position) ?
2100 get_source_position() + 1 :
2101 next_keyframe->position,
2102 get_source_position());
2104 if(!config.equivalent(old_config))
2110 void TitleMain::save_data(KeyFrame *keyframe)
2114 output.set_shared_output(keyframe->get_data(), MESSAGESIZE);
2115 output.tag.set_title("TITLE");
2116 output.tag.set_property("FONT", config.font);
2117 output.tag.set_property("ENCODING", config.encoding);
2118 output.tag.set_property("STYLE", (int64_t)config.style);
2119 output.tag.set_property("SIZE", config.size);
2120 output.tag.set_property("COLOR", config.color);
2121 output.tag.set_property("COLOR_STROKE", config.color_stroke);
2122 output.tag.set_property("STROKE_WIDTH", config.stroke_width);
2123 output.tag.set_property("OUTLINE_COLOR", config.outline_color);
2124 output.tag.set_property("ALPHA", config.alpha);
2125 output.tag.set_property("OUTLINE_ALPHA", config.outline_alpha);
2126 output.tag.set_property("MOTION_STRATEGY", config.motion_strategy);
2127 output.tag.set_property("LOOP", config.loop);
2128 output.tag.set_property("LINE_PITCH", config.line_pitch);
2129 output.tag.set_property("PIXELS_PER_SECOND", config.pixels_per_second);
2130 output.tag.set_property("HJUSTIFICATION", config.hjustification);
2131 output.tag.set_property("VJUSTIFICATION", config.vjustification);
2132 output.tag.set_property("FADE_IN", config.fade_in);
2133 output.tag.set_property("FADE_OUT", config.fade_out);
2134 output.tag.set_property("TITLE_X", config.x);
2135 output.tag.set_property("TITLE_Y", config.y);
2136 output.tag.set_property("DROPSHADOW", config.dropshadow);
2137 output.tag.set_property("OUTLINE_SIZE", config.outline_size);
2138 output.tag.set_property("TIMECODE", config.timecode);
2139 output.tag.set_property("TIMECODEFORMAT", config.timecode_format);
2140 output.tag.set_property("WINDOW_W", config.window_w);
2141 output.tag.set_property("WINDOW_H", config.window_h);
2142 output.append_tag();
2143 output.append_newline();
2144 char text[BCTEXTLEN];
2145 int text_len = BC_Resources::encode(
2146 BC_Resources::wide_encoding, DEFAULT_ENCODING,
2147 (char*)config.wtext, config.wlen*sizeof(wchar_t),
2148 text, sizeof(text));
2149 output.append_text(text, text_len);
2150 output.tag.set_title("/TITLE");
2151 output.append_tag();
2152 output.append_newline();
2153 output.terminate_string();
2154 //printf("TitleMain::save_data 1\n%s\n", output.string);
2155 //printf("TitleMain::save_data 2\n%s\n", config.text);
2158 void TitleMain::read_data(KeyFrame *keyframe)
2162 input.set_shared_input(keyframe->get_data(), strlen(keyframe->get_data()));
2166 config.prev_keyframe_position = keyframe->position;
2169 result = input.read_tag();
2172 if(input.tag.title_is("TITLE")) {
2173 input.tag.get_property("FONT", config.font);
2174 input.tag.get_property("ENCODING", config.encoding);
2175 config.style = input.tag.get_property("STYLE", (int64_t)config.style);
2176 config.size = input.tag.get_property("SIZE", config.size);
2177 config.color = input.tag.get_property("COLOR", config.color);
2178 config.color_stroke = input.tag.get_property("COLOR_STROKE", config.color_stroke);
2179 config.stroke_width = input.tag.get_property("STROKE_WIDTH", config.stroke_width);
2180 config.outline_color = input.tag.get_property("OUTLINE_COLOR", config.outline_color);
2181 config.alpha = input.tag.get_property("ALPHA", config.alpha);
2182 config.outline_alpha = input.tag.get_property("OUTLINE_ALPHA", config.outline_alpha);
2183 config.motion_strategy = input.tag.get_property("MOTION_STRATEGY", config.motion_strategy);
2184 config.loop = input.tag.get_property("LOOP", config.loop);
2185 config.line_pitch = input.tag.get_property("LINE_PITCH", config.line_pitch);
2186 config.pixels_per_second = input.tag.get_property("PIXELS_PER_SECOND", config.pixels_per_second);
2187 config.hjustification = input.tag.get_property("HJUSTIFICATION", config.hjustification);
2188 config.vjustification = input.tag.get_property("VJUSTIFICATION", config.vjustification);
2189 config.fade_in = input.tag.get_property("FADE_IN", config.fade_in);
2190 config.fade_out = input.tag.get_property("FADE_OUT", config.fade_out);
2191 config.x = input.tag.get_property("TITLE_X", config.x);
2192 config.y = input.tag.get_property("TITLE_Y", config.y);
2193 config.dropshadow = input.tag.get_property("DROPSHADOW", config.dropshadow);
2194 config.outline_size = input.tag.get_property("OUTLINE_SIZE", config.outline_size);
2195 config.timecode = input.tag.get_property("TIMECODE", config.timecode);
2196 input.tag.get_property("TIMECODEFORMAT", config.timecode_format);
2197 config.window_w = input.tag.get_property("WINDOW_W", config.window_w);
2198 config.window_h = input.tag.get_property("WINDOW_H", config.window_h);
2199 const char *text = input.read_text();
2200 config.to_wtext(config.encoding, text, strlen(text)+1);
2202 else if(input.tag.title_is("/TITLE")) {