226 lines
6.7 KiB
C++
226 lines
6.7 KiB
C++
/***
|
|
|
|
Olive - Non-Linear Video Editor
|
|
Copyright (C) 2019 Olive Team
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
***/
|
|
|
|
#include "richtexteffect.h"
|
|
|
|
#include <QTextDocument>
|
|
#include <QtMath>
|
|
|
|
#include "timeline/clip.h"
|
|
#include "ui/blur.h"
|
|
|
|
enum AutoscrollDirection {
|
|
SCROLL_OFF,
|
|
SCROLL_UP,
|
|
SCROLL_DOWN,
|
|
SCROLL_LEFT,
|
|
SCROLL_RIGHT,
|
|
};
|
|
|
|
RichTextEffect::RichTextEffect(Clip *c) :
|
|
Node(c)
|
|
{
|
|
SetFlags(Node::SuperimposeFlag);
|
|
|
|
text_val = new StringInput(this, "text", tr("Text"));
|
|
|
|
padding_field = new DoubleInput(this, "padding", tr("Padding"));
|
|
|
|
position = new Vec2Input(this, "pos", tr("Position"));
|
|
|
|
vertical_align = new ComboInput(this, "valign", tr("Vertical Align:"));
|
|
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);
|
|
|
|
autoscroll = new ComboInput(this, "autoscroll", tr("Auto-Scroll"));
|
|
autoscroll->AddItem(tr("Off"), SCROLL_OFF);
|
|
autoscroll->AddItem(tr("Up"), SCROLL_UP);
|
|
autoscroll->AddItem(tr("Down"), SCROLL_DOWN);
|
|
autoscroll->AddItem(tr("Left"), SCROLL_LEFT);
|
|
autoscroll->AddItem(tr("Right"), SCROLL_RIGHT);
|
|
|
|
shadow_bool = new BoolInput(this, "shadow", tr("Shadow"));
|
|
|
|
shadow_color = new ColorInput(this, "shadowcolor", tr("Shadow Color"));
|
|
|
|
shadow_angle = new DoubleInput(this, "shadowangle", tr("Shadow Angle"));
|
|
|
|
shadow_distance = new DoubleInput(this, "shadowdistance", tr("Shadow Distance"));
|
|
shadow_distance->SetMinimum(0);
|
|
|
|
shadow_softness = new DoubleInput(this, "shadowsoftness", tr("Shadow Softness"));
|
|
shadow_softness->SetMinimum(0);
|
|
|
|
shadow_opacity = new DoubleInput(this, "shadowopacity", tr("Shadow Opacity"));
|
|
shadow_opacity->SetMinimum(0);
|
|
shadow_opacity->SetMaximum(100);
|
|
|
|
// Create default text
|
|
text_val->SetValueAt(0, "<html>"
|
|
"<body style=\"color: #ffffff; font-size: 36pt;\">"
|
|
"<center>Sample Text</center>"
|
|
"</body>"
|
|
"</html>");
|
|
}
|
|
|
|
QString RichTextEffect::name()
|
|
{
|
|
return tr("Rich Text");
|
|
}
|
|
|
|
QString RichTextEffect::id()
|
|
{
|
|
return "org.olivevideoeditor.Olive.richtext";
|
|
}
|
|
|
|
QString RichTextEffect::category()
|
|
{
|
|
return tr("Render");
|
|
}
|
|
|
|
QString RichTextEffect::description()
|
|
{
|
|
return tr("Render formatted rich text over a clip.");
|
|
}
|
|
|
|
EffectType RichTextEffect::type()
|
|
{
|
|
return EFFECT_TYPE_EFFECT;
|
|
}
|
|
|
|
olive::TrackType RichTextEffect::subtype()
|
|
{
|
|
return olive::kTypeVideo;
|
|
}
|
|
|
|
NodePtr RichTextEffect::Create(Clip *c)
|
|
{
|
|
return std::make_shared<RichTextEffect>(c);
|
|
}
|
|
|
|
void RichTextEffect::redraw(double timecode)
|
|
{
|
|
QPainter p(&img);
|
|
p.setRenderHint(QPainter::Antialiasing);
|
|
int width = img.width();
|
|
int height = img.height();
|
|
|
|
int padding = qRound(padding_field->GetDoubleAt(timecode));
|
|
|
|
width -= 2 * padding;
|
|
height -= 2 * padding;
|
|
|
|
QTextDocument td;
|
|
td.setHtml(text_val->GetStringAt(timecode));
|
|
td.setTextWidth(width);
|
|
|
|
QPoint translation = position->GetVector2DAt(timecode).toPoint();
|
|
translation += {padding, padding};
|
|
|
|
int doc_height = qRound(td.size().height());
|
|
|
|
AutoscrollDirection auto_scroll_dir = static_cast<AutoscrollDirection>(autoscroll->GetValueAt(timecode).toInt());
|
|
|
|
double scroll_progress = 0;
|
|
|
|
if (auto_scroll_dir != SCROLL_OFF) {
|
|
double clip_length_secs = double(parent_clip->length()) / parent_clip->media_frame_rate();
|
|
scroll_progress = (timecode - double(parent_clip->clip_in()) / parent_clip->media_frame_rate()) / clip_length_secs;
|
|
}
|
|
|
|
if (auto_scroll_dir == SCROLL_OFF || auto_scroll_dir == SCROLL_LEFT || auto_scroll_dir == SCROLL_RIGHT) {
|
|
|
|
// If we're not auto-scrolling the vertical direction, respect the vertical alignment
|
|
if (vertical_align->GetValueAt(timecode).toInt() == Qt::AlignCenter) {
|
|
translation.setY(translation.y() + height / 2 - doc_height / 2);
|
|
} else if (vertical_align->GetValueAt(timecode).toInt() == Qt::AlignBottom) {
|
|
translation.setY(translation.y() + height - doc_height);
|
|
}
|
|
|
|
// Check if we are autoscrolling
|
|
if (auto_scroll_dir != SCROLL_OFF) {
|
|
|
|
if (auto_scroll_dir == SCROLL_LEFT) {
|
|
scroll_progress = 1.0 - scroll_progress;
|
|
}
|
|
|
|
int doc_width = qRound(td.size().width());
|
|
translation.setX(translation.x() + qRound(-doc_width + (img.width() + doc_width) * scroll_progress));
|
|
}
|
|
|
|
} else if (auto_scroll_dir == SCROLL_UP || auto_scroll_dir == SCROLL_DOWN) {
|
|
|
|
// Auto-scroll bottom to top or top to bottom
|
|
|
|
if (auto_scroll_dir == SCROLL_UP) {
|
|
scroll_progress = 1.0 - scroll_progress;
|
|
}
|
|
|
|
translation.setY(translation.y() + qRound(-doc_height + (img.height() + doc_height)*scroll_progress));
|
|
|
|
}
|
|
|
|
QRect clip_rect = img.rect();
|
|
clip_rect.translate(-translation);
|
|
p.translate(translation);
|
|
|
|
img.fill(Qt::transparent);
|
|
|
|
// draw software shadow
|
|
if (shadow_bool->GetBoolAt(timecode)) {
|
|
|
|
// calculate offset using distance and angle
|
|
double angle = shadow_angle->GetDoubleAt(timecode) * M_PI / 180.0;
|
|
double distance = qFloor(shadow_distance->GetDoubleAt(timecode));
|
|
int shadow_x_offset = qRound(qCos(angle) * distance);
|
|
int shadow_y_offset = qRound(qSin(angle) * distance);
|
|
|
|
p.translate(shadow_x_offset, shadow_y_offset);
|
|
clip_rect.translate(-shadow_x_offset, -shadow_y_offset);
|
|
|
|
td.drawContents(&p, clip_rect);
|
|
|
|
int blurSoftness = qFloor(shadow_softness->GetDoubleAt(timecode));
|
|
if (blurSoftness > 0) {
|
|
olive::ui::blur(img, img.rect(), blurSoftness, true);
|
|
}
|
|
|
|
p.setCompositionMode(QPainter::CompositionMode_SourceIn);
|
|
|
|
p.fillRect(clip_rect, shadow_color->GetColorAt(timecode));
|
|
|
|
p.setCompositionMode(QPainter::CompositionMode_SourceOver);
|
|
|
|
p.translate(-shadow_x_offset, -shadow_y_offset);
|
|
clip_rect.translate(shadow_x_offset, shadow_y_offset);
|
|
}
|
|
|
|
td.drawContents(&p, clip_rect);
|
|
|
|
p.end();
|
|
}
|
|
|
|
bool RichTextEffect::AlwaysUpdate()
|
|
{
|
|
return autoscroll->GetValueAt(Now()).toInt() != SCROLL_OFF;
|
|
}
|