117 lines
4.1 KiB
C++
117 lines
4.1 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "cornerpineffect.h"
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#include "global/path.h"
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#include "timeline/clip.h"
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#include "global/debug.h"
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CornerPinEffect::CornerPinEffect(Clip* c) : Node(c) {
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SetFlags(Node::CoordsFlag | Node::ShaderFlag);
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top_left = new Vec2Input(this, "topleft", tr("Top Left"));
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top_right = new Vec2Input(this, "topright", tr("Top Right"));
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bottom_left = new Vec2Input(this, "bottomleft", tr("Bottom Left"));
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bottom_right = new Vec2Input(this, "bottomright", tr("Bottom Right"));
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perspective = new BoolInput(this, "perspective", tr("Perspective"));
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perspective->SetValueAt(0, true);
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top_left_gizmo = add_gizmo(GIZMO_TYPE_DOT);
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top_left_gizmo->x_field1 = static_cast<DoubleField*>(top_left->Field(0));
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top_left_gizmo->y_field1 = static_cast<DoubleField*>(top_left->Field(1));
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top_right_gizmo = add_gizmo(GIZMO_TYPE_DOT);
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top_right_gizmo->x_field1 = static_cast<DoubleField*>(top_right->Field(0));
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top_right_gizmo->y_field1 = static_cast<DoubleField*>(top_right->Field(1));
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bottom_left_gizmo = add_gizmo(GIZMO_TYPE_DOT);
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bottom_left_gizmo->x_field1 = static_cast<DoubleField*>(bottom_left->Field(0));
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bottom_left_gizmo->y_field1 = static_cast<DoubleField*>(bottom_left->Field(1));
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bottom_right_gizmo = add_gizmo(GIZMO_TYPE_DOT);
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bottom_right_gizmo->x_field1 = static_cast<DoubleField*>(bottom_right->Field(0));
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bottom_right_gizmo->y_field1 = static_cast<DoubleField*>(bottom_right->Field(1));
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shader_vert_path_ = "cornerpin.vert";
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shader_frag_path_ = "cornerpin.frag";
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}
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QString CornerPinEffect::name()
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{
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return tr("Corner Pin");
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}
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QString CornerPinEffect::id()
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{
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return "org.olivevideoeditor.Olive.cornerpin";
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}
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QString CornerPinEffect::category()
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{
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return tr("Distort");
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}
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QString CornerPinEffect::description()
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{
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return tr("Distort/warp this clip by pinning each of its four corners.");
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}
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EffectType CornerPinEffect::type()
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{
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return EFFECT_TYPE_EFFECT;
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}
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olive::TrackType CornerPinEffect::subtype()
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{
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return olive::kTypeVideo;
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}
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NodePtr CornerPinEffect::Create(Clip *c)
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{
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return std::make_shared<CornerPinEffect>(c);
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}
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void CornerPinEffect::process_coords(double timecode, GLTextureCoords &coords, int) {
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coords.vertex_top_left += top_left->GetVector2DAt(timecode);
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coords.vertex_top_right += top_right->GetVector2DAt(timecode);
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coords.vertex_bottom_left += bottom_left->GetVector2DAt(timecode);
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coords.vertex_bottom_right += bottom_right->GetVector2DAt(timecode);
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}
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void CornerPinEffect::process_shader(double timecode, GLTextureCoords &coords, int) {
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shader_program_->setUniformValue("p0", coords.vertex_bottom_left.x(), coords.vertex_bottom_left.y());
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shader_program_->setUniformValue("p1", coords.vertex_bottom_right.x(), coords.vertex_bottom_right.y());
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shader_program_->setUniformValue("p2", coords.vertex_top_left.x(), coords.vertex_top_left.y());
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shader_program_->setUniformValue("p3", coords.vertex_top_right.x(), coords.vertex_top_right.y());
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shader_program_->setUniformValue("perspective", perspective->GetBoolAt(timecode));
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}
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void CornerPinEffect::gizmo_draw(double, GLTextureCoords &coords) {
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top_left_gizmo->world_pos[0] = coords.vertex_top_left;
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top_right_gizmo->world_pos[0] = coords.vertex_top_right;
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bottom_right_gizmo->world_pos[0] = coords.vertex_bottom_right;
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bottom_left_gizmo->world_pos[0] = coords.vertex_bottom_left;
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}
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