#include "richtexteffect.h" #include #include #include "timeline/clip.h" #include "ui/blur.h" enum AutoscrollDirection { SCROLL_OFF, SCROLL_UP, SCROLL_DOWN, SCROLL_LEFT, SCROLL_RIGHT, }; 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"); text_val->SetColumnSpan(2); 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); vertical_align->SetColumnSpan(2); EffectRow* autoscroll_row = new EffectRow(this, tr("Auto-Scroll")); autoscroll = new ComboField(autoscroll_row, "autoscroll"); 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); autoscroll->SetColumnSpan(2); EffectRow* shadow_row = new EffectRow(this, tr("Shadow")); shadow_bool = new BoolField(shadow_row, "shadow"); shadow_bool->SetColumnSpan(2); EffectRow* shadow_color_row = new EffectRow(this, tr("Shadow Color")); shadow_color = new ColorField(shadow_color_row, "shadowcolor"); shadow_color->SetColumnSpan(2); EffectRow* shadow_angle_row = new EffectRow(this, tr("Shadow Angle")); shadow_angle = new DoubleField(shadow_angle_row, "shadowangle"); shadow_angle->SetColumnSpan(2); EffectRow* shadow_distance_row = new EffectRow(this, tr("Shadow Distance")); shadow_distance = new DoubleField(shadow_distance_row, "shadowdistance"); shadow_distance->SetColumnSpan(2); shadow_distance->SetMinimum(0); EffectRow* shadow_softness_row = new EffectRow(this, tr("Shadow Softness")); shadow_softness = new DoubleField(shadow_softness_row, "shadowsoftness"); shadow_softness->SetColumnSpan(2); shadow_softness->SetMinimum(0); EffectRow* shadow_opacity_row = new EffectRow(this, tr("Shadow Opacity")); shadow_opacity = new DoubleField(shadow_opacity_row, "shadowopacity"); shadow_opacity->SetColumnSpan(2); shadow_opacity->SetMinimum(0); shadow_opacity->SetMaximum(100); // Create default text text_val->SetValueAt(0, "" "" "Sample Text" "" ""); } 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); int translate_x = qRound(position_x->GetDoubleAt(timecode) + padding); int translate_y = qRound(position_y->GetDoubleAt(timecode) + padding); int doc_height = qRound(td.size().height()); AutoscrollDirection auto_scroll_dir = static_cast(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) { translate_y += height / 2 - doc_height / 2; } else if (vertical_align->GetValueAt(timecode).toInt() == Qt::AlignBottom) { translate_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()); translate_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; } translate_y += qRound(-doc_height + (img.height() + doc_height)*scroll_progress); } QRect clip_rect = img.rect(); clip_rect.translate(-translate_x, -translate_y); p.translate(translate_x, translate_y); 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(autoscroll->Now()).toInt() != SCROLL_OFF; }