60 lines
1.9 KiB
C++
60 lines
1.9 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 "keyframedrawing.h"
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#include "project/effect.h"
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#include "project/clip.h"
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#define KEYFRAME_POINT_COUNT 4
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// routine for drawing a keyframe onscreen
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void draw_keyframe(QPainter &p, int type, int x, int y, bool darker, int r, int g, int b) {
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if (darker) {
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r *= 0.625;
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g *= 0.625;
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b *= 0.625;
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}
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p.setPen(QColor(0, 0, 0));
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p.setBrush(QColor(r, g, b));
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switch (type) {
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case EFFECT_KEYFRAME_LINEAR:
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{
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QPoint points[KEYFRAME_POINT_COUNT] = {QPoint(x-KEYFRAME_SIZE, y), QPoint(x, y-KEYFRAME_SIZE), QPoint(x+KEYFRAME_SIZE, y), QPoint(x, y+KEYFRAME_SIZE)};
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p.drawPolygon(points, KEYFRAME_POINT_COUNT);
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}
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break;
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case EFFECT_KEYFRAME_BEZIER:
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p.drawEllipse(QPoint(x, y), KEYFRAME_SIZE, KEYFRAME_SIZE);
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break;
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case EFFECT_KEYFRAME_HOLD:
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p.drawRect(QRect(x - KEYFRAME_SIZE, y - KEYFRAME_SIZE, KEYFRAME_SIZE*2, KEYFRAME_SIZE*2));
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break;
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}
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p.setBrush(Qt::NoBrush);
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}
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// adjusts keyframe's internal time (in clip time) to timeline time
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long adjust_row_keyframe(EffectRow* row, long time, long visible_in) {
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return time-row->parent_effect->parent_clip->clip_in+(row->parent_effect->parent_clip->timeline_in-visible_in);
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}
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