lib/gui/esubtitle.cpp

   1 #include <lib/gui/esubtitle.h>
   2 #include <lib/gdi/grc.h>
   3 #include <lib/base/estring.h>
   4
   5         /*
   6                 ok, here's much room for improvements.
   7
   8                 first, the placing of the individual elements is sub-optimal.
   9                 then maybe a colored background would be an option.
  10                 ....
  11         */
  12
  13 eSubtitleWidget::eSubtitleWidget(eWidget *parent)
  14         : eWidget(parent), m_hide_subtitles_timer(eTimer::create(eApp))
  15 {
  16         setBackgroundColor(gRGB(0,0,0,255));
  17         m_page_ok = 0;
  18         m_dvb_page_ok = 0;
  19         m_pango_page_ok = 0;
  20         CONNECT(m_hide_subtitles_timer->timeout, eSubtitleWidget::clearPage);
  21 }
  22
  23 #define startX 50
  24 void eSubtitleWidget::setPage(const eDVBTeletextSubtitlePage &p)
  25 {
  26         m_page = p;
  27         m_page_ok = 1;
  28         invalidate(m_visible_region);  // invalidate old visible regions
  29         m_visible_region.rects.clear();
  30
  31         int elements = m_page.m_elements.size();
  32         if (elements)
  33         {
  34                 int startY = elements > 1
  35                         ? size().height() / 2
  36                         : size().height() / 3 * 2;
  37                 int width = size().width() - startX * 2;
  38                 int height = size().height() - startY;
  39                 int size_per_element = height / (elements ? elements : 1);
  40                 for (int i=0; i<elements; ++i)
  41                 {
  42                         eRect &area = m_page.m_elements[i].m_area;
  43                         area.setLeft(startX);
  44                         area.setTop(size_per_element * i + startY);
  45                         area.setWidth(width);
  46                         area.setHeight(size_per_element);
  47                         m_visible_region.rects.push_back(area);
  48                 }
  49         }
  50         m_hide_subtitles_timer->start(7500, true);
  51         invalidate(m_visible_region);  // invalidate new regions
  52 }
  53
  54 void eSubtitleWidget::setPage(const eDVBSubtitlePage &p)
  55 {
  56         eDebug("setPage");
  57         m_dvb_page = p;
  58         invalidate(m_visible_region);  // invalidate old visible regions
  59         m_visible_region.rects.clear();
  60         for (std::list<eDVBSubtitleRegion>::iterator it(m_dvb_page.m_regions.begin()); it != m_dvb_page.m_regions.end(); ++it)
  61         {
  62                 eDebug("add %d %d %d %d", it->m_position.x(), it->m_position.y(), it->m_pixmap->size().width(), it->m_pixmap->size().height());
  63                 m_visible_region.rects.push_back(eRect(it->m_position, it->m_pixmap->size()));
  64         }
  65         m_dvb_page_ok = 1;
  66         m_hide_subtitles_timer->start(7500, true);
  67         invalidate(m_visible_region);  // invalidate new regions
  68 }
  69
  70 void eSubtitleWidget::setPage(const ePangoSubtitlePage &p)
  71 {
  72         m_pango_page = p;
  73         m_pango_page_ok = 1;
  74         invalidate(m_visible_region);  // invalidate old visible regions
  75         m_visible_region.rects.clear();
  76
  77         int elements = m_pango_page.m_elements.size();
  78         if (elements)
  79         {
  80                 int startY = elements > 1
  81                         ? size().height() / 2
  82                         : size().height() / 3 * 2;
  83                 int width = size().width() - startX * 2;
  84                 int height = size().height() - startY;
  85                 int size_per_element = height / (elements ? elements : 1);
  86                 for (int i=0; i<elements; ++i)
  87                 {
  88                         eRect &area = m_pango_page.m_elements[i].m_area;
  89                         area.setLeft(startX);
  90                         area.setTop(size_per_element * i + startY);
  91                         area.setWidth(width);
  92                         area.setHeight(size_per_element);
  93                         m_visible_region.rects.push_back(area);
  94                 }
  95         }
  96         int timeout_ms = m_pango_page.m_timeout;
  97         m_hide_subtitles_timer->start(timeout_ms, true);
  98         invalidate(m_visible_region);  // invalidate new regions
  99 }
 100
 101 void eSubtitleWidget::clearPage()
 102 {
 103         eDebug("subtitle timeout... hide");
 104         m_page_ok = 0;
 105         m_dvb_page_ok = 0;
 106         m_pango_page_ok = 0;
 107         invalidate(m_visible_region);
 108         m_visible_region.rects.clear();
 109 }
 110
 111 void eSubtitleWidget::setPixmap(ePtr<gPixmap> &pixmap, gRegion changed)
 112 {
 113         m_pixmap = pixmap;
 114         invalidate(changed);
 115 }
 116
 117 int eSubtitleWidget::event(int event, void *data, void *data2)
 118 {
 119         switch (event)
 120         {
 121         case evtPaint:
 122         {
 123                 ePtr<eWindowStyle> style;
 124                 gPainter &painter = *(gPainter*)data2;
 125
 126                 getStyle(style);
 127                 eWidget::event(event, data, data2);
 128
 129                 if (m_pixmap)
 130                         painter.blit(m_pixmap, ePoint(0,0));
 131                 else if (m_page_ok)
 132                 {
 133                         int elements = m_page.m_elements.size();
 134                         ePtr<gFont> font = new gFont("Regular", 38);
 135                         painter.setFont(font);
 136                         for (int i=0; i<elements; ++i)
 137                         {
 138                                 eDVBTeletextSubtitlePageElement &element = m_page.m_elements[i];
 139                                 eRect &area = element.m_area;
 140                                 eRect shadow = area;
 141                                 shadow.moveBy(3,3);
 142                                 painter.setForegroundColor(gRGB(0,0,0));
 143                                 painter.renderText(shadow, element.m_text, gPainter::RT_WRAP|gPainter::RT_VALIGN_CENTER|gPainter::RT_HALIGN_CENTER);
 144                                 painter.setForegroundColor(element.m_color);
 145                                 painter.renderText(area, element.m_text, gPainter::RT_WRAP|gPainter::RT_VALIGN_CENTER|gPainter::RT_HALIGN_CENTER);
 146                         }
 147                 }
 148                 else if (m_pango_page_ok)
 149                 {
 150                         int elements = m_pango_page.m_elements.size();
 151                         ePtr<gFont> font = new gFont("Regular", 38);
 152                         for (int i=0; i<elements; ++i)
 153                         {
 154                                 ePangoSubtitlePageElement &element = m_pango_page.m_elements[i];
 155                                 std::string text = element.m_pango_line;
 156                                 std::string::size_type loc = text.find("<", 0 );
 157                                 if ( loc != std::string::npos )
 158                                 {
 159                                         switch (char(text.at(1)))
 160                                         {
 161                                         case 'i':
 162                                                 eDebug("found italic");
 163                                                 font = new gFont("LCD", 40);
 164                                                 break;
 165                                         case 'b':
 166                                                 eDebug("found bold");
 167                                                 font = new gFont("Replacement", 40);
 168                                                 break;
 169                                         default:
 170                                                 break;
 171                                         }
 172                                         text = text.substr(3, text.length()-7);
 173                                 }
 174                                 text = replace_all(text, "&apos;", "'");
 175                                 text = replace_all(text, "&quot;", "\"");
 176                                 text = replace_all(text, "&amp;", "&");
 177                                 painter.setFont(font);
 178                                 eRect &area = element.m_area;
 179                                 eRect shadow = area;
 180                                 shadow.moveBy(3,3);
 181                                 painter.setForegroundColor(gRGB(0,0,0));
 182                                 painter.renderText(shadow, text, gPainter::RT_WRAP|gPainter::RT_VALIGN_CENTER|gPainter::RT_HALIGN_CENTER);
 183                                 painter.setForegroundColor(element.m_color);
 184                                 painter.renderText(area, text, gPainter::RT_WRAP|gPainter::RT_VALIGN_CENTER|gPainter::RT_HALIGN_CENTER);
 185                         }
 186                 }
 187                 else if (m_dvb_page_ok)
 188                 {
 189                         for (std::list<eDVBSubtitleRegion>::iterator it(m_dvb_page.m_regions.begin()); it != m_dvb_page.m_regions.end(); ++it)
 190                                 painter.blit(it->m_pixmap, it->m_position);
 191                 }
 192                 return 0;
 193         }
 194         default:
 195                 return eWidget::event(event, data, data2);
 196         }
 197 }