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further progress on rich text effect

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This commit is contained in:
itsmattkc
2019-03-14 22:56:23 +11:00
parent c0d3e038eb
commit 9fc542e688
14 changed files with 232 additions and 15 deletions
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effects/internal/richtexteffect.cpp
+46 -1
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@@ -5,8 +5,32 @@
RichTextEffect::RichTextEffect(Clip *c, const EffectMeta *em) :
Effect(c, em)
{
SetFlags(Effect::SuperimposeFlag);
EffectRow* text_row = new EffectRow(this, tr("Text"));
text_val = new StringField(text_row, "text");
EffectRow* padding_row = new EffectRow(this, tr("Padding"));
padding_field = new DoubleField(padding_row, "padding");
padding_field->SetColumnSpan(2);
EffectRow* position_row = new EffectRow(this, tr("Position"));
position_x = new DoubleField(position_row, "posx");
position_y = new DoubleField(position_row, "posy");
EffectRow* vertical_align_row = new EffectRow(this, tr("Vertical Align:"));
vertical_align = new ComboField(vertical_align_row, "valign");
vertical_align->AddItem(tr("Top"), Qt::AlignTop);
vertical_align->AddItem(tr("Center"), Qt::AlignCenter);
vertical_align->AddItem(tr("Bottom"), Qt::AlignBottom);
vertical_align->SetValueAt(0, Qt::AlignCenter);
// Create default text
text_val->SetValueAt(0, "<html>"
"<body style=\"color: #ffffff; font-size: 36pt;\">"
"<center>Sample Text</center>"
"</body>"
"</html>");
}
void RichTextEffect::redraw(double timecode)
@@ -18,7 +42,28 @@ void RichTextEffect::redraw(double timecode)
img.fill(Qt::transparent);
int padding = qRound(padding_field->GetDoubleAt(timecode));
width -= 2 * padding;
height -= 2 * padding;
QTextDocument td;
td.setHtml(text_val->GetStringAt(timecode));
td.drawContents(&p);
td.setTextWidth(width);
int translate_x = qRound(position_x->GetDoubleAt(timecode) + padding);
int translate_y = qRound(position_y->GetDoubleAt(timecode) + padding);
if (vertical_align->GetValueAt(timecode).toInt() == Qt::AlignCenter) {
translate_y += height / 2 - td.size().height() / 2;
} else if (vertical_align->GetValueAt(timecode).toInt() == Qt::AlignBottom) {
translate_y += height - td.size().height();
}
QRect clip_rect = img.rect();
clip_rect.translate(-translate_x, -translate_y);
p.translate(translate_x, translate_y);
td.drawContents(&p, clip_rect);
}