void MythPainter::DrawTextPriv(MythImage *im, const QString &msg, int flags,
const QRect &r, const MythFontProperties &font)
{
if (!im)
return;
QPoint drawOffset;
font.GetOffset(drawOffset);
QImage pm(r.size(), QImage::Format_ARGB32);
QColor fillcolor = font.color();
if (font.hasOutline())
{
QColor outlineColor;
int outlineSize, outlineAlpha;
font.GetOutline(outlineColor, outlineSize, outlineAlpha);
fillcolor = outlineColor;
}
fillcolor.setAlpha(0);
pm.fill(fillcolor.rgba());
QPainter tmp(&pm);
QFont tmpfont = font.face();
tmpfont.setStyleStrategy(QFont::OpenGLCompatible);
tmp.setFont(tmpfont);
if (font.hasShadow())
{
QPoint shadowOffset;
QColor shadowColor;
int shadowAlpha;
font.GetShadow(shadowOffset, shadowColor, shadowAlpha);
QRect a = QRect(0, 0, r.width(), r.height());
a.translate(shadowOffset.x() + drawOffset.x(),
shadowOffset.y() + drawOffset.y());
shadowColor.setAlpha(shadowAlpha);
tmp.setPen(shadowColor);
tmp.drawText(a, flags, msg);
}
if (font.hasOutline())
{
QColor outlineColor;
int outlineSize, outlineAlpha;
font.GetOutline(outlineColor, outlineSize, outlineAlpha);
/* FIXME: use outlineAlpha */
int outalpha = 16;
QRect a = QRect(0, 0, r.width(), r.height());
a.translate(-outlineSize + drawOffset.x(),
-outlineSize + drawOffset.y());
outlineColor.setAlpha(outalpha);
tmp.setPen(outlineColor);
tmp.drawText(a, flags, msg);
for (int i = (0 - outlineSize + 1); i <= outlineSize; i++)
{
a.translate(1, 0);
tmp.drawText(a, flags, msg);
}
for (int i = (0 - outlineSize + 1); i <= outlineSize; i++)
{
a.translate(0, 1);
tmp.drawText(a, flags, msg);
}
for (int i = (0 - outlineSize + 1); i <= outlineSize; i++)
{
a.translate(-1, 0);
tmp.drawText(a, flags, msg);
}
for (int i = (0 - outlineSize + 1); i <= outlineSize; i++)
{
a.translate(0, -1);
tmp.drawText(a, flags, msg);
}
}
tmp.setPen(QPen(font.GetBrush(), 0));
tmp.drawText(drawOffset.x(), drawOffset.y(), r.width(), r.height(),
flags, msg);
tmp.end();
im->Assign(pm);
}
void MythPainter::DrawTextPriv(MythImage *im, const QString &msg, int flags,
const QRect &r, const MythFontProperties &font)
{
if (!im)
return;
QColor outlineColor;
int outlineSize = 0;
int outlineAlpha;
if (font.hasOutline())
font.GetOutline(outlineColor, outlineSize, outlineAlpha);
QPoint shadowOffset(0, 0);
QColor shadowColor;
int shadowAlpha;
if (font.hasShadow())
font.GetShadow(shadowOffset, shadowColor, shadowAlpha);
QFontMetrics fm(font.face());
int totalHeight = fm.height() + outlineSize +
std::max(outlineSize, std::abs(shadowOffset.y()));
// initialPaddingX is the number of pixels from the left of the
// input QRect to the left of the actual text. It is always 0
// because we don't add padding to the text rectangle.
int initialPaddingX = 0;
// initialPaddingY is the number of pixels from the top of the
// input QRect to the top of the actual text. It may be nonzero
// because of extra vertical padding.
int initialPaddingY = (r.height() - totalHeight) / 2;
// Hack. Normally we vertically center the text due to some
// (solvable) issues in the SubtitleScreen code - the text rect
// and the background rect are both created with PAD_WIDTH extra
// padding, and to honor Qt::AlignTop, the text rect needs to be
// without padding. This doesn't work for Qt::TextWordWrap, since
// the first line will be vertically centered with subsequence
// lines below. So if Qt::TextWordWrap is set, we do top
// alignment.
if (flags & Qt::TextWordWrap)
initialPaddingY = 0;
// textOffsetX is the number of pixels from r.left() to the left
// edge of the core text. This assumes that flags contains
// Qt::AlignLeft.
int textOffsetX =
initialPaddingX + std::max(outlineSize, -shadowOffset.x());
// textOffsetY is the number of pixels from r.top() to the top
// edge of the core text. This assumes that flags contains
// Qt::AlignTop.
int textOffsetY =
initialPaddingY + std::max(outlineSize, -shadowOffset.y());
QImage pm(r.size(), QImage::Format_ARGB32);
QColor fillcolor = font.color();
if (font.hasOutline())
fillcolor = outlineColor;
fillcolor.setAlpha(0);
pm.fill(fillcolor.rgba());
QPainter tmp(&pm);
QFont tmpfont = font.face();
tmpfont.setStyleStrategy(QFont::OpenGLCompatible);
tmp.setFont(tmpfont);
QPainterPath path;
if (font.hasOutline())
path.addText(0, 0, tmpfont, msg);
if (font.hasShadow())
{
QRect a = QRect(0, 0, r.width(), r.height());
a.translate(shadowOffset.x() + textOffsetX,
shadowOffset.y() + textOffsetY);
shadowColor.setAlpha(shadowAlpha);
tmp.setPen(shadowColor);
tmp.drawText(a, flags, msg);
}
if (font.hasOutline())
{
// QPainter::drawText() treats the Y coordinate as the top of
// the text (when Qt::AlignTop is used). However,
// QPainterPath::addText() treats the Y coordinate as the base
// line of the text. To translate from the top to the base
// line, we need to add QFontMetrics::ascent().
int adjX = 0;
int adjY = fm.ascent();
outlineColor.setAlpha(outlineAlpha);
tmp.setPen(outlineColor);
path.translate(adjX + textOffsetX, adjY + textOffsetY);
QPen pen = tmp.pen();
pen.setWidth(outlineSize * 2 + 1);
pen.setCapStyle(Qt::RoundCap);
pen.setJoinStyle(Qt::RoundJoin);
tmp.setPen(pen);
tmp.drawPath(path);
path.translate(outlineSize, outlineSize);
}
tmp.setPen(QPen(font.GetBrush(), 0));
tmp.setBrush(font.GetBrush());
tmp.drawText(textOffsetX, textOffsetY, r.width(), r.height(),
flags, msg);
tmp.end();
im->Assign(pm);
}
void MythQtPainter::DrawText(const QRect &r, const QString &msg,
int flags, const MythFontProperties &font,
int alpha, const QRect &boundRect)
{
if (!painter)
{
VERBOSE(VB_IMPORTANT, "FATAL ERROR: DrawText called with no painter");
return;
}
(void)alpha;
painter->setOpacity(static_cast<float>(alpha) / 255.0);
painter->setFont(font.face());
if (font.hasShadow())
{
QPoint shadowOffset;
QColor shadowColor;
int shadowAlpha;
font.GetShadow(shadowOffset, shadowColor, shadowAlpha);
shadowColor.setAlpha(shadowAlpha);
QRect a = r;
a.translate(shadowOffset.x(), shadowOffset.y());
painter->setPen(shadowColor);
painter->drawText(a, flags, msg);
}
if (font.hasOutline() && alpha > 128)
{
QColor outlineColor;
int outlineSize, outlineAlpha;
font.GetOutline(outlineColor, outlineSize, outlineAlpha);
if (GetMythMainWindow()->GetUIScreenRect().height() > 700)
outlineSize = 1;
painter->setPen(outlineColor);
QRect a = r;
a.translate(0 - outlineSize, 0 - outlineSize);
painter->drawText(a, flags, msg);
for (int i = (0 - outlineSize + 1); i <= outlineSize; i++)
{
a.translate(1, 0);
painter->drawText(a, flags, msg);
}
for (int i = (0 - outlineSize + 1); i <= outlineSize; i++)
{
a.translate(0, 1);
painter->drawText(a, flags, msg);
}
for (int i = (0 - outlineSize + 1); i <= outlineSize; i++)
{
a.translate(-1, 0);
painter->drawText(a, flags, msg);
}
for (int i = (0 - outlineSize + 1); i <= outlineSize; i++)
{
a.translate(0, -1);
painter->drawText(a, flags, msg);
}
}
painter->setPen(QPen(font.GetBrush(), 0));
painter->drawText(r, flags, msg);
painter->setOpacity(1.0);
}
