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Diffstat (limited to 'dgedit/canvastoolselections.cc')
-rw-r--r-- | dgedit/canvastoolselections.cc | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/dgedit/canvastoolselections.cc b/dgedit/canvastoolselections.cc deleted file mode 100644 index ad5e193..0000000 --- a/dgedit/canvastoolselections.cc +++ /dev/null @@ -1,319 +0,0 @@ -/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/*************************************************************************** - * canvastoolselections.cc - * - * Thu Jul 28 20:16:59 CEST 2011 - * Copyright 2011 Bent Bisballe Nyeng - * deva@aasimon.org - ****************************************************************************/ - -/* - * This file is part of DrumGizmo. - * - * DrumGizmo 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 2 of the License, or - * (at your option) any later version. - * - * DrumGizmo 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 DrumGizmo; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ -#include "canvastoolselections.h" - -#include <math.h> -#include <stdio.h> - -#define mapX(x) canvas->mapX(x) -#define mapY(x) canvas->mapY(x) -#define unmapX(x) canvas->unmapX(x) -#define unmapY(x) canvas->unmapY(x) - -CanvasToolSelections::CanvasToolSelections(Canvas *c, Selections &s, - Selections &p) - : selections(s), selections_preview(p) -{ - threshold = 0.5; // Default from CanvasToolThreshold - hold = 100; - - canvas = c; - - selection_is_moving_left = false; - selection_is_moving_right = false; - - colSelBg = QColor(255, 0, 0, 60); - colSel = QColor(255, 0, 0, 160); - colActiveSelBg = QColor(255, 255, 0, 60); - colActiveSel = QColor(255, 255, 0, 160); - colPreviewSelBg = QColor(0, 0, 255, 60); - colPreviewSel = QColor(0, 0, 255, 160); -} - -bool CanvasToolSelections::mouseMoveEvent(QMouseEvent *event) -{ - sel_id_t active_selection = selections.active(); - Selection act_sel = selections.get(active_selection); - - if(selection_is_moving_left) { - float val = unmapX(event->x()); - if(val > act_sel.to) val = act_sel.to - 1; - act_sel.from = val; - selections.update(active_selection, act_sel); - canvas->update(); - return true; - } - - if(selection_is_moving_right) { - float val = unmapX(event->x()); - if(val < act_sel.from) val = act_sel.from + 1; - act_sel.to = val; - selections.update(active_selection, act_sel); - canvas->update(); - return true; - } - - if(event->button() != Qt::LeftButton) { - // Check if a selection is being dragged. - QVector<sel_id_t> ids = selections.ids(); - QVector<sel_id_t>::iterator i = ids.begin(); - while(i != ids.end()) { - Selection sel = selections.get(*i); - if(abs(event->x() - mapX(sel.from)) < 2 - || abs(event->x() - mapX(sel.to)) < 2) { - canvas->setCursor(Qt::SplitHCursor); - return true; - } - i++; - } - } - - return false; -} - -bool CanvasToolSelections::mousePressEvent(QMouseEvent *event) -{ - if(event->button() == Qt::LeftButton) { - // Check if a selection is being dragged. - QVector<sel_id_t> ids = selections.ids(); - QVector<sel_id_t>::iterator i = ids.begin(); - while(i != ids.end()) { - Selection sel = selections.get(*i); - if(abs(event->x() - mapX(sel.from)) < 2) { - selections.setActive(*i); - selection_is_moving_left = true; - return true; - } - - if(abs(event->x() - mapX(sel.to)) < 2) { - selections.setActive(*i); - selection_is_moving_right = true; - return true; - } - - i++; - } - - // Check if a selection is being selected. - i = ids.begin(); - while(i != ids.end()) { - Selection sel = selections.get(*i); - if(event->x() > mapX(sel.from) && - event->x() < mapX(sel.to)) { - selections.setActive(*i); - canvas->update(); - return true; - } - - i++; - } - - // Make new selection - int from = unmapX(event->x()); - Selection new_selection(from, from); - sel_id_t id = selections.add(new_selection); - selections.setActive(id); - selection_is_moving_right = true; - canvas->update(); - return true; - } - - return false; -} - -bool CanvasToolSelections::mouseReleaseEvent(QMouseEvent *event) -{ - if(event->button() == Qt::LeftButton) { - if(selection_is_moving_left || selection_is_moving_right) { - selection_is_moving_left = false; - selection_is_moving_right = false; - canvas->setCursor(Qt::ArrowCursor); - canvas->update(); - return true; - } - } - - return false; -} - -void CanvasToolSelections::paintEvent(QPaintEvent *event, QPainter &painter) -{ - int pos = unmapX(event->rect().x()); - int width = unmapX(event->rect().width()); - - { - QVector<sel_id_t> ids = selections.ids(); - QVector<sel_id_t>::iterator i = ids.begin(); - while(i != ids.end()) { - Selection sel = selections.get(*i); - int from = sel.from; - int to = sel.to; - int fadein = sel.fadein; - int fadeout = sel.fadeout; - if(from > pos + width || to + width < pos) { i++; continue; } - if(selections.active() == *i) { - painter.setBrush(colActiveSelBg); - painter.setPen(colActiveSel); - } else { - painter.setBrush(colSelBg); - painter.setPen(colSel); - } - painter.drawRect(mapX(from), mapY(-1.0), - mapX(to) - mapX(from), mapY(1.0) - mapY(-1.0)); - painter.drawLine(mapX(from), mapY(0.0), mapX(from + fadein), mapY(-1.0)); - painter.drawLine(mapX(from), mapY(0.0), mapX(from + fadein), mapY(1.0)); - painter.drawLine(mapX(to - fadeout), mapY(-1.0), mapX(to), mapY(0.0)); - painter.drawLine(mapX(to - fadeout), mapY(1.0), mapX(to), mapY(0.0)); - i++; - } - } - - if(show_preview) { - QVector<sel_id_t> ids = selections_preview.ids(); - QVector<sel_id_t>::iterator i = ids.begin(); - while(i != ids.end()) { - Selection sel = selections_preview.get(*i); - int from = sel.from; - int to = sel.to; - int fadein = sel.fadein; - int fadeout = sel.fadeout; - if(from > pos + width || to + width < pos) { i++; continue; } - painter.setBrush(colPreviewSelBg); - painter.setPen(colPreviewSel); - - painter.drawRect(mapX(from), mapY(-1.0), - mapX(to) - mapX(from), mapY(1.0) - mapY(-1.0)); - painter.drawLine(mapX(from), mapY(0.0), mapX(from + fadein), mapY(-1.0)); - painter.drawLine(mapX(from), mapY(0.0), mapX(from + fadein), mapY(1.0)); - painter.drawLine(mapX(to - fadeout), mapY(-1.0), mapX(to), mapY(0.0)); - painter.drawLine(mapX(to - fadeout), mapY(1.0), mapX(to), mapY(0.0)); - i++; - } - } -} - -void CanvasToolSelections::keyReleaseEvent(QKeyEvent *event) -{ - if(selections.active() != SEL_NONE && event->key() == Qt::Key_Delete) { - selections.remove(selections.active()); - canvas->update(); - } -} - -void CanvasToolSelections::thresholdChanged(double t) -{ - threshold = t; -} - -void CanvasToolSelections::holdChanged(int h) -{ - hold = h; -} - -void CanvasToolSelections::noiseFloorChanged(int t) -{ - double div = 666.0 / 0.00003; - noise_floor = (double)t/div; -} - -void CanvasToolSelections::fadeoutChanged(int t) -{ - fadeout = (double)t/1000.0; -} - -void CanvasToolSelections::autoCreateSelections() -{ - doAutoCreateSelections(false); -} - -void CanvasToolSelections::autoCreateSelectionsPreview() -{ - doAutoCreateSelections(true); -} - -void CanvasToolSelections::doAutoCreateSelections(bool preview) -{ - float *data = canvas->data; - size_t size = canvas->size; - - if(preview) selections_preview.clear(); - - for(size_t i = 0; i < size; i++) { - if(fabs(data[i]) > fabs(threshold)) { - int from = i; - - if(data[from] > 0.0) { - while(data[from] > data[from-1] // Falling - && data[from-1] > 0.0 // Not crossing zero - ) { - from--; - } - } else if(data[from] < 0.0) { - while(data[from] < data[from-1] // Rising - && data[from-1] < 0.0 // Not crossing zero - ) { - from--; - } - } - - int to = i; - float runavg = fabs(data[from]); - while((runavg > noise_floor || - to < from + hold) && - to < (int)size) { - double p = 0.9; - runavg = runavg * p + fabs(data[to]) * (1 - p); - to++; - } - - Selection s(from, to, 2, ((to - from) / 3) * fadeout); - if(preview) { - selections_preview.add(s); - } else { - selections.add(s); - } - - i = to+1; - } - } - canvas->update(); -} - -void CanvasToolSelections::clearSelections() -{ - selections.clear(); - selection_is_moving_left = false; - selection_is_moving_right = false; - canvas->setCursor(Qt::ArrowCursor); - canvas->update(); -} - -void CanvasToolSelections::setShowPreview(bool s) -{ - show_preview = s; - canvas->update(); -} |