#include "transformeffect.h" #include #include #include #include #include #include #include #include #include "ui/collapsiblewidget.h" #include "project/clip.h" #include "project/sequence.h" #include "io/media.h" #include "ui/labelslider.h" #include "ui/comboboxex.h" #include "panels/project.h" #define BLEND_MODE_NORMAL 0 #define BLEND_MODE_SCREEN 1 #define BLEND_MODE_MULTIPLY 2 #define BLEND_MODE_OVERLAY 3 TransformEffect::TransformEffect(Clip* c) : Effect(c, EFFECT_TYPE_VIDEO, VIDEO_TRANSFORM_EFFECT) { enable_opengl = true; EffectRow* position_row = add_row("Position:"); position_x = position_row->add_field(EFFECT_FIELD_DOUBLE); // position X position_y = position_row->add_field(EFFECT_FIELD_DOUBLE); // position Y EffectRow* scale_row = add_row("Scale:"); scale_x = scale_row->add_field(EFFECT_FIELD_DOUBLE); // scale X (and Y is uniform scale is selected) scale_x->set_double_minimum_value(0); scale_x->set_double_maximum_value(3000); scale_y = scale_row->add_field(EFFECT_FIELD_DOUBLE); // scale Y (disabled if uniform scale is selected) scale_y->set_double_minimum_value(0); scale_y->set_double_maximum_value(3000); EffectRow* uniform_scale_row = add_row("Uniform Scale:"); uniform_scale_field = uniform_scale_row->add_field(EFFECT_FIELD_BOOL); // uniform scale option EffectRow* rotation_row = add_row("Rotation:"); rotation = rotation_row->add_field(EFFECT_FIELD_DOUBLE); EffectRow* anchor_point_row = add_row("Anchor Point:"); anchor_x_box = anchor_point_row->add_field(EFFECT_FIELD_DOUBLE); // anchor point X anchor_y_box = anchor_point_row->add_field(EFFECT_FIELD_DOUBLE); // anchor point Y EffectRow* opacity_row = add_row("Opacity:"); opacity = opacity_row->add_field(EFFECT_FIELD_DOUBLE); // opacity opacity->set_double_minimum_value(0); opacity->set_double_maximum_value(100); EffectRow* blend_mode_row = add_row("Blend Mode:"); blend_mode_box = blend_mode_row->add_field(EFFECT_FIELD_COMBO); // blend mode blend_mode_box->add_combo_item("Normal", BLEND_MODE_NORMAL); blend_mode_box->add_combo_item("Overlay", BLEND_MODE_OVERLAY); blend_mode_box->add_combo_item("Screen", BLEND_MODE_SCREEN); blend_mode_box->add_combo_item("Multiply", BLEND_MODE_MULTIPLY); // set defaults scale_y->set_enabled(false); uniform_scale_field->set_bool_value(true); blend_mode_box->set_combo_index(0); refresh(); connect(position_x, SIGNAL(changed()), this, SLOT(field_changed())); connect(position_y, SIGNAL(changed()), this, SLOT(field_changed())); connect(scale_x, SIGNAL(changed()), this, SLOT(field_changed())); connect(scale_y, SIGNAL(changed()), this, SLOT(field_changed())); connect(uniform_scale_field, SIGNAL(changed()), this, SLOT(field_changed())); connect(rotation, SIGNAL(changed()), this, SLOT(field_changed())); connect(anchor_x_box, SIGNAL(changed()), this, SLOT(field_changed())); connect(anchor_y_box, SIGNAL(changed()), this, SLOT(field_changed())); connect(opacity, SIGNAL(changed()), this, SLOT(field_changed())); connect(blend_mode_box, SIGNAL(changed()), this, SLOT(field_changed())); connect(uniform_scale_field, SIGNAL(toggled(bool)), this, SLOT(toggle_uniform_scale(bool))); } void TransformEffect::refresh() { if (parent_clip->sequence != NULL) { double default_pos_x = parent_clip->sequence->width/2; double default_pos_y = parent_clip->sequence->height/2; position_x->set_double_default_value(default_pos_x); position_y->set_double_default_value(default_pos_y); scale_x->set_double_default_value(100); scale_y->set_double_default_value(100); default_anchor_x = default_pos_x; default_anchor_y = default_pos_y; if (parent_clip->media != NULL) { switch (parent_clip->media_type) { case MEDIA_TYPE_FOOTAGE: { MediaStream* ms = static_cast(parent_clip->media)->get_stream_from_file_index(parent_clip->media_stream); if (ms != NULL) { default_anchor_x = ms->video_width/2; default_anchor_y = ms->video_height/2; } break; } case MEDIA_TYPE_SEQUENCE: { Sequence* s = static_cast(parent_clip->media); default_anchor_x = s->width/2; default_anchor_y = s->height/2; break; } } } anchor_x_box->set_double_default_value(default_anchor_x); anchor_y_box->set_double_default_value(default_anchor_y); opacity->set_double_default_value(100); } } void TransformEffect::toggle_uniform_scale(bool enabled) { scale_y->set_enabled(!enabled); } void TransformEffect::process_gl(double timecode, GLTextureCoords& coords) { // position glTranslatef(position_x->get_double_value(timecode)-(parent_clip->sequence->width/2), position_y->get_double_value(timecode)-(parent_clip->sequence->height/2), 0); // anchor point int anchor_x_offset = (anchor_x_box->get_double_value(timecode)-default_anchor_x); int anchor_y_offset = (anchor_y_box->get_double_value(timecode)-default_anchor_y); coords.vertexTopLeftX -= anchor_x_offset; coords.vertexTopRightX -= anchor_x_offset; coords.vertexBottomLeftX -= anchor_x_offset; coords.vertexBottomRightX -= anchor_x_offset; coords.vertexTopLeftY -= anchor_y_offset; coords.vertexTopRightY -= anchor_y_offset; coords.vertexBottomLeftY -= anchor_y_offset; coords.vertexBottomRightY -= anchor_y_offset; // rotation glRotatef(rotation->get_double_value(timecode), 0, 0, 1); // scale float sx = scale_x->get_double_value(timecode)*0.01; float sy = (uniform_scale_field->get_bool_value(timecode)) ? sx : scale_y->get_double_value(timecode)*0.01; glScalef(sx, sy, 1); // blend mode switch (blend_mode_box->get_combo_data(timecode).toInt()) { case BLEND_MODE_NORMAL: glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); break; case BLEND_MODE_OVERLAY: glBlendFunc(GL_DST_COLOR, GL_SRC_ALPHA); break; case BLEND_MODE_SCREEN: glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_COLOR); break; case BLEND_MODE_MULTIPLY: glBlendFunc(GL_DST_COLOR, GL_ZERO); break; default: qDebug() << "[ERROR] Invalid blend mode. This is a bug - please contact developers"; } // opacity float color[4]; glGetFloatv(GL_CURRENT_COLOR, color); glColor4f(1.0, 1.0, 1.0, color[3]*(opacity->get_double_value(timecode)*0.01)); }