diff options
author | Bent Bisballe Nyeng <deva@aasimon.org> | 2024-07-27 13:39:32 +0200 |
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committer | Bent Bisballe Nyeng <deva@aasimon.org> | 2024-07-27 13:39:32 +0200 |
commit | fc29354d86e6a8b5601e92405b89a1da27406ce7 (patch) | |
tree | e31069154ad5bd9497764b6205dd4d3a411b40eb /src/canvastoolselections.cc | |
parent | 329110e3230a6518f024c612842b04afdea1cd03 (diff) |
WIP
Diffstat (limited to 'src/canvastoolselections.cc')
-rw-r--r-- | src/canvastoolselections.cc | 352 |
1 files changed, 0 insertions, 352 deletions
diff --git a/src/canvastoolselections.cc b/src/canvastoolselections.cc deleted file mode 100644 index d3e90f1..0000000 --- a/src/canvastoolselections.cc +++ /dev/null @@ -1,352 +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 = std::max(0.0f, 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 = std::min(val, (float)canvas->size); - 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(); -} |