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#include <lib/gui/esubtitle.h>
#include <lib/gdi/grc.h>
#include <lib/base/estring.h>
/*
ok, here's much room for improvements.
first, the placing of the individual elements is sub-optimal.
then maybe a colored background would be an option.
....
*/
eSubtitleWidget::eSubtitleStyle eSubtitleWidget::subtitleStyles[Subtitle_MAX];
eSubtitleWidget::eSubtitleWidget(eWidget *parent)
: eWidget(parent), m_hide_subtitles_timer(eTimer::create(eApp))
{
setBackgroundColor(gRGB(0,0,0,255));
m_page_ok = 0;
m_dvb_page_ok = 0;
m_pango_page_ok = 0;
CONNECT(m_hide_subtitles_timer->timeout, eSubtitleWidget::clearPage);
}
#define startX 50
void eSubtitleWidget::setPage(const eDVBTeletextSubtitlePage &p)
{
m_page = p;
m_page_ok = 1;
invalidate(m_visible_region); // invalidate old visible regions
m_visible_region.rects.clear();
int elements = m_page.m_elements.size();
if (elements)
{
int startY = elements > 1
? size().height() / 2
: size().height() / 3 * 2;
int width = size().width() - startX * 2;
int height = size().height() - startY;
int size_per_element = height / (elements ? elements : 1);
for (int i=0; i<elements; ++i)
{
eRect &area = m_page.m_elements[i].m_area;
area.setLeft(startX);
area.setTop(size_per_element * i + startY);
area.setWidth(width);
area.setHeight(size_per_element);
m_visible_region.rects.push_back(area);
}
}
m_hide_subtitles_timer->start(7500, true);
invalidate(m_visible_region); // invalidate new regions
}
void eSubtitleWidget::setPage(const eDVBSubtitlePage &p)
{
eDebug("setPage");
m_dvb_page = p;
invalidate(m_visible_region); // invalidate old visible regions
m_visible_region.rects.clear();
for (std::list<eDVBSubtitleRegion>::iterator it(m_dvb_page.m_regions.begin()); it != m_dvb_page.m_regions.end(); ++it)
{
eDebug("add %d %d %d %d", it->m_position.x(), it->m_position.y(), it->m_pixmap->size().width(), it->m_pixmap->size().height());
eRect r = eRect(it->m_position, it->m_pixmap->size());
r.scale(size().width(), 720, size().height(), 576);
m_visible_region.rects.push_back(r);
}
m_dvb_page_ok = 1;
m_hide_subtitles_timer->start(7500, true);
invalidate(m_visible_region); // invalidate new regions
}
void eSubtitleWidget::setPage(const ePangoSubtitlePage &p)
{
m_pango_page = p;
m_pango_page_ok = 1;
invalidate(m_visible_region); // invalidate old visible regions
m_visible_region.rects.clear();
int elements = m_pango_page.m_elements.size();
if (elements)
{
int startY = elements > 1
? size().height() / 2
: size().height() / 3 * 2;
int width = size().width() - startX * 2;
int height = size().height() - startY;
int size_per_element = height / (elements ? elements : 1);
for (int i=0; i<elements; ++i)
{
eRect &area = m_pango_page.m_elements[i].m_area;
area.setLeft(startX);
area.setTop(size_per_element * i + startY);
area.setWidth(width);
area.setHeight(size_per_element);
m_visible_region.rects.push_back(area);
}
}
int timeout_ms = m_pango_page.m_timeout;
m_hide_subtitles_timer->start(timeout_ms, true);
invalidate(m_visible_region); // invalidate new regions
}
void eSubtitleWidget::clearPage()
{
eDebug("subtitle timeout... hide");
m_page_ok = 0;
m_dvb_page_ok = 0;
m_pango_page_ok = 0;
invalidate(m_visible_region);
m_visible_region.rects.clear();
}
void eSubtitleWidget::setPixmap(ePtr<gPixmap> &pixmap, gRegion changed, eRect pixmap_dest)
{
m_pixmap = pixmap;
m_pixmap_dest = pixmap_dest; /* this is in a virtual 720x576 cage */
/* incoming "changed" regions are relative to the physical pixmap area, so they have to be scaled to the virtual pixmap area, then to the screen */
changed.scale(m_pixmap_dest.width(), 720, m_pixmap_dest.height(), 576);
changed.moveBy(ePoint(m_pixmap_dest.x(), m_pixmap_dest.y()));
changed.scale(size().width(), pixmap->size().width(), size().height(), pixmap->size().height());
invalidate(changed);
}
int eSubtitleWidget::event(int event, void *data, void *data2)
{
switch (event)
{
case evtPaint:
{
ePtr<eWindowStyle> style;
gPainter &painter = *(gPainter*)data2;
getStyle(style);
eWidget::event(event, data, data2);
if (m_pixmap)
{
eRect r = m_pixmap_dest;
r.scale(size().width(), 720, size().height(), 576);
painter.blitScale(m_pixmap, r);
} else if (m_page_ok)
{
int elements = m_page.m_elements.size();
painter.setFont(subtitleStyles[Subtitle_TTX].font);
for (int i=0; i<elements; ++i)
{
eDVBTeletextSubtitlePageElement &element = m_page.m_elements[i];
eRect &area = element.m_area;
eRect shadow = area;
shadow.moveBy(subtitleStyles[Subtitle_TTX].shadow_offset);
painter.setForegroundColor(subtitleStyles[Subtitle_TTX].shadow_color);
painter.renderText(shadow, element.m_text, gPainter::RT_WRAP|gPainter::RT_VALIGN_CENTER|gPainter::RT_HALIGN_CENTER);
if ( !subtitleStyles[Subtitle_TTX].have_foreground_color )
painter.setForegroundColor(element.m_color);
else
painter.setForegroundColor(subtitleStyles[Subtitle_TTX].foreground_color);
painter.renderText(area, element.m_text, gPainter::RT_WRAP|gPainter::RT_VALIGN_CENTER|gPainter::RT_HALIGN_CENTER);
}
}
else if (m_pango_page_ok)
{
int elements = m_pango_page.m_elements.size();
subfont_t face;
for (int i=0; i<elements; ++i)
{
face = Subtitle_Regular;
ePangoSubtitlePageElement &element = m_pango_page.m_elements[i];
std::string text = element.m_pango_line;
std::string::size_type loc = text.find("<", 0 );
if ( loc != std::string::npos )
{
switch (char(text.at(1)))
{
case 'i':
face = Subtitle_Italic;
break;
case 'b':
face = Subtitle_Bold;
break;
}
text = text.substr(3, text.length()-7);
}
text = replace_all(text, "'", "'");
text = replace_all(text, """, "\"");
text = replace_all(text, "&", "&");
painter.setFont(subtitleStyles[face].font);
eRect &area = element.m_area;
eRect shadow = area;
shadow.moveBy(subtitleStyles[face].shadow_offset);
painter.setForegroundColor(subtitleStyles[face].shadow_color);
painter.renderText(shadow, text, gPainter::RT_WRAP|gPainter::RT_VALIGN_CENTER|gPainter::RT_HALIGN_CENTER);
if ( !subtitleStyles[face].have_foreground_color && element.m_have_color )
painter.setForegroundColor(element.m_color);
else
painter.setForegroundColor(subtitleStyles[face].foreground_color);
painter.renderText(area, text, gPainter::RT_WRAP|gPainter::RT_VALIGN_CENTER|gPainter::RT_HALIGN_CENTER);
}
}
else if (m_dvb_page_ok)
{
for (std::list<eDVBSubtitleRegion>::iterator it(m_dvb_page.m_regions.begin()); it != m_dvb_page.m_regions.end(); ++it)
{
/* dvb subtitles are living in their 720x576 cage... i think. check this for HD. */
eRect r = eRect(it->m_position, it->m_pixmap->size());
r.scale(size().width(), 720, size().height(), 576);
painter.blitScale(it->m_pixmap, r);
}
}
return 0;
}
default:
return eWidget::event(event, data, data2);
}
}
void eSubtitleWidget::setFontStyle(subfont_t face, gFont *font, int haveColor, const gRGB &col, const gRGB &shadowCol, const ePoint &shadowOffset)
{
subtitleStyles[face].font = font;
subtitleStyles[face].have_foreground_color = haveColor;
subtitleStyles[face].foreground_color = col;
subtitleStyles[face].shadow_color = shadowCol;
subtitleStyles[face].shadow_offset = shadowOffset;
}
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