klayout/src/laybasic/layEditStippleWidget.cc

532 lines
12 KiB
C++

/*
KLayout Layout Viewer
Copyright (C) 2006-2017 Matthias Koefferlein
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "layEditStippleWidget.h"
#include "tlString.h"
#include <QPainter>
#include <QMouseEvent>
namespace lay
{
const int stipple_pixel_size = 12;
const int full_size = 40;
struct PatternStorageOp
: public db::Op
{
PatternStorageOp (const uint32_t *p, unsigned int w, unsigned int h, bool b)
: db::Op (), width (w), height (h), before (b)
{
memcpy (pattern, p, sizeof (pattern));
}
unsigned int width, height;
bool before;
uint32_t pattern [32];
};
EditStippleWidget::EditStippleWidget (QWidget *parent)
: QFrame (parent), db::Object (), m_last_mx (-1), m_last_my (0),
m_last_sx (32), m_last_sy (32), m_last_pattern_saved (false),
m_clearing (false), m_readonly (false),
m_sx (32), m_sy (32)
{
memset (m_last_pattern, 0, sizeof (m_last_pattern));
memset (m_pattern, 0, sizeof (m_pattern));
setBackgroundRole (QPalette::NoRole);
}
QSize
EditStippleWidget::sizeHint () const
{
return QSize (stipple_pixel_size * full_size + 1, stipple_pixel_size * full_size + 1);
}
QSize
EditStippleWidget::minimumSize () const
{
return QSize (stipple_pixel_size * full_size + 1, stipple_pixel_size * full_size + 1);
}
void
EditStippleWidget::expand_pattern ()
{
if (m_sx < 32) {
for (size_t i = 0; i < m_sy; ++i) {
uint32_t w = m_pattern [i];
w &= (1 << m_sx) - 1;
for (size_t j = m_sx; j < 32; j += m_sx) {
w |= (w << m_sx);
}
m_pattern [i] = w;
}
}
for (size_t i = m_sy; i < 32; ++i) {
m_pattern [i] = m_pattern [i - m_sy];
}
}
bool
EditStippleWidget::get_pixel (int x, int y)
{
while (x < 0) {
x += m_sx;
}
x %= m_sx;
while (y < 0) {
y += m_sy;
}
y %= m_sy;
uint32_t w = m_pattern [y];
return (w & (1 << x)) != 0;
}
void
EditStippleWidget::set_pixel (unsigned int xx, unsigned int yy, bool value)
{
if (xx >= 32 || yy >= 32) {
return;
}
for (int x = xx; x < 32; x += m_sx) {
for (int y = yy; y < 32; y += m_sy) {
uint32_t w = m_pattern [y];
if (value) {
w |= (1 << x);
} else {
w &= ~(1 << x);
}
m_pattern [y] = w;
}
}
}
bool
EditStippleWidget::mouse_to_pixel (const QPoint &pt, unsigned int &x, unsigned int &y)
{
int ix = pt.x () / stipple_pixel_size;
int iy = (height () - 1 - pt.y ()) / stipple_pixel_size;
ix -= (full_size - 32) / 2;
iy -= (full_size - 32) / 2;
if (ix >= 0 && ix < int (m_sx) && iy >= 0 && iy < int (m_sy)) {
x = (unsigned int) ix;
y = (unsigned int) iy;
return true;
} else {
x = y = 0;
return false;
}
}
void
EditStippleWidget::mouseMoveEvent (QMouseEvent *event)
{
if ((event->buttons () & Qt::LeftButton) != 0 && ! m_readonly) {
unsigned int mx, my;
if (! mouse_to_pixel (event->pos (), mx, my)) {
return;
}
if (mx != m_last_mx || my != m_last_my) {
m_last_mx = mx;
m_last_my = my;
if (get_pixel (mx, my) == m_clearing) {
set_pixel (mx, my, ! m_clearing);
emit changed ();
update ();
}
}
}
}
void
EditStippleWidget::mousePressEvent (QMouseEvent *event)
{
if ((event->buttons () & Qt::LeftButton) != 0 && ! m_readonly) {
memcpy (m_last_pattern, m_pattern, sizeof (m_pattern));
m_last_sx = m_sx;
m_last_sy = m_sy;
m_last_pattern_saved = true;
unsigned int mx, my;
if (! mouse_to_pixel (event->pos (), mx, my)) {
return;
}
m_last_mx = mx;
m_last_my = my;
m_clearing = get_pixel (mx, my);
if (get_pixel (mx, my) == m_clearing) {
set_pixel (mx, my, ! m_clearing);
emit changed ();
update ();
}
}
}
void
EditStippleWidget::mouseReleaseEvent (QMouseEvent *)
{
if (m_last_pattern_saved) {
m_last_pattern_saved = false;
if (manager ()) {
manager ()->transaction (tl::to_string (QObject::tr ("Edit pattern")));
manager ()->queue (this, new PatternStorageOp (m_last_pattern, m_last_sx, m_last_sy, true));
manager ()->queue (this, new PatternStorageOp (m_pattern, m_sx, m_sy, false));
manager ()->commit ();
}
}
}
void
EditStippleWidget::paintEvent (QPaintEvent *)
{
QPainter painter (this);
QColor cf = palette ().color (QPalette::AlternateBase);
QColor c0 = palette ().color (QPalette::Base);
QColor c1 = palette ().color (QPalette::Text);
QColor cdis ((c0.red () + c1.red ()) / 2,
(c0.green () + c1.green ()) / 2,
(c0.blue () + c1.blue ()) / 2);
painter.setPen (QPen (cf));
for (unsigned int i = 0; i < (unsigned int) full_size; ++i) {
painter.drawLine (i * stipple_pixel_size, 0, i * stipple_pixel_size, full_size * stipple_pixel_size);
painter.drawLine (0, i * stipple_pixel_size, full_size * stipple_pixel_size, i * stipple_pixel_size);
QBrush b0 (c0);
QBrush b1 (m_readonly ? cdis : c1);
QBrush bd (cdis);
QBrush bf (cf);
for (unsigned int j = 0; j < (unsigned int) full_size; ++j) {
QRect r (i * stipple_pixel_size + 1, j * stipple_pixel_size + 1, stipple_pixel_size - 1, stipple_pixel_size - 1);
int bx = i - (full_size - 32) / 2;
int by = 32 - (j - (full_size - 32) / 2) - 1;
if (get_pixel (bx, by)) {
if (bx < 0 || bx >= int (m_sx) || by < 0 || by >= int (m_sy)) {
painter.fillRect (r, bd);
} else {
painter.fillRect (r, b1);
}
} else if (((i + j) & 1) == 0) {
painter.fillRect (r, b0);
} else {
painter.fillRect (r, bf);
}
}
}
painter.drawLine (full_size * stipple_pixel_size, 0, full_size * stipple_pixel_size, full_size * stipple_pixel_size);
painter.drawLine (0, full_size * stipple_pixel_size, full_size * stipple_pixel_size, full_size * stipple_pixel_size);
painter.setPen (QPen (c1));
int fl = stipple_pixel_size * (full_size - 32) / 2;
int fr = fl + stipple_pixel_size * m_sx;
int fb = height () - 1 - stipple_pixel_size * (full_size - 32) / 2;
int ft = fb - stipple_pixel_size * m_sy;
painter.drawLine (fl - 2, ft - 2, fr + 2, ft - 2);
painter.drawLine (fr + 2, ft - 2, fr + 2, fb + 2);
painter.drawLine (fr + 2, fb + 2, fl - 2, fb + 2);
painter.drawLine (fl - 2, fb + 2, fl - 2, ft - 2);
}
void
EditStippleWidget::set_pattern (const uint32_t * const *pattern, unsigned int w, unsigned int h)
{
if (w != m_sx || h != m_sy) {
m_sx = w;
m_sy = h;
emit size_changed ();
}
for (size_t i = 0; i < sizeof (m_pattern) / sizeof (m_pattern [0]); ++i) {
m_pattern [i] = *(pattern [i]);
}
update ();
}
void
EditStippleWidget::set_pattern (const uint32_t *pattern, unsigned int w, unsigned int h)
{
if (w != m_sx || h != m_sy) {
m_sx = w;
m_sy = h;
emit size_changed ();
}
for (size_t i = 0; i < sizeof (m_pattern) / sizeof (m_pattern [0]); ++i) {
m_pattern [i] = pattern [i];
}
update ();
}
void
EditStippleWidget::set_readonly (bool readonly)
{
if (m_readonly != readonly) {
m_readonly = readonly;
update ();
}
}
void
EditStippleWidget::clear ()
{
if (manager () && manager ()->transacting ()) {
manager ()->queue (this, new PatternStorageOp (m_pattern, m_sx, m_sy, true));
}
for (unsigned int i = 0; i < sizeof (m_pattern) / sizeof (m_pattern [0]); ++i) {
m_pattern [i] = 0;
}
update ();
emit changed ();
if (manager () && manager ()->transacting ()) {
manager ()->queue (this, new PatternStorageOp (m_pattern, m_sx, m_sy, false));
}
}
void
EditStippleWidget::invert ()
{
if (manager () && manager ()->transacting ()) {
manager ()->queue (this, new PatternStorageOp (m_pattern, m_sx, m_sy, true));
}
for (unsigned int i = 0; i < sizeof (m_pattern) / sizeof (m_pattern [0]); ++i) {
m_pattern [i] = ~m_pattern [i];
}
update ();
emit changed ();
if (manager () && manager ()->transacting ()) {
manager ()->queue (this, new PatternStorageOp (m_pattern, m_sx, m_sy, false));
}
}
void
EditStippleWidget::set_size (unsigned int sx, unsigned int sy)
{
if (sx != m_sx || sy != m_sy) {
if (manager () && manager ()->transacting ()) {
manager ()->queue (this, new PatternStorageOp (m_pattern, m_sx, m_sy, true));
}
m_sx = sx;
m_sy = sy;
expand_pattern ();
update ();
emit changed ();
if (manager () && manager ()->transacting ()) {
manager ()->queue (this, new PatternStorageOp (m_pattern, m_sx, m_sy, true));
}
}
}
void
EditStippleWidget::fliph ()
{
if (manager () && manager ()->transacting ()) {
manager ()->queue (this, new PatternStorageOp (m_pattern, m_sx, m_sy, true));
}
for (unsigned int i = 0; i < m_sy; ++i) {
uint32_t w = 0;
for (unsigned int j = 0; j < m_sx; ++j) {
w <<= 1;
w |= ((m_pattern [i] & (1 << j)) != 0 ? 1 : 0);
}
m_pattern [i] = w;
}
expand_pattern ();
update ();
emit changed ();
if (manager () && manager ()->transacting ()) {
manager ()->queue (this, new PatternStorageOp (m_pattern, m_sx, m_sy, false));
}
}
void
EditStippleWidget::flipv ()
{
if (manager () && manager ()->transacting ()) {
manager ()->queue (this, new PatternStorageOp (m_pattern, m_sx, m_sy, true));
}
uint32_t p[32];
memcpy (p, m_pattern, sizeof (p));
for (unsigned int i = 0; i < m_sy; ++i) {
m_pattern [m_sy - i - 1] = p[i];
}
expand_pattern ();
update ();
emit changed ();
if (manager () && manager ()->transacting ()) {
manager ()->queue (this, new PatternStorageOp (m_pattern, m_sx, m_sy, false));
}
}
void
EditStippleWidget::rotate (int a)
{
if (manager () && manager ()->transacting ()) {
manager ()->queue (this, new PatternStorageOp (m_pattern, m_sx, m_sy, true));
}
while (a < 0) {
a += 360;
}
while (a >= 360) {
a -= 360;
}
unsigned int dim = std::max (m_sx, m_sy);
while (a > 0) {
uint32_t bits [32];
for (unsigned int i = 0; i < dim; ++i) {
uint32_t w = 0;
for (unsigned int j = 0; j < dim; ++j) {
w <<= 1;
w |= ((m_pattern [j] & (1 << i)) != 0 ? 1 : 0);
}
bits [i] = w;
}
memcpy (m_pattern, bits, sizeof (m_pattern));
a -= 90;
}
expand_pattern ();
update ();
emit changed ();
if (manager () && manager ()->transacting ()) {
manager ()->queue (this, new PatternStorageOp (m_pattern, m_sx, m_sy, false));
}
}
void
EditStippleWidget::shift (int dx, int dy)
{
if (manager () && manager ()->transacting ()) {
manager ()->queue (this, new PatternStorageOp (m_pattern, m_sx, m_sy, true));
}
uint32_t bits [32];
for (unsigned int i = 0; i < m_sy; ++i) {
uint32_t w = m_pattern [i];
if (dx < 0) {
for (int k = 0; k < -dx; ++k) {
uint32_t b0 = ((w & 1) != 0);
w = (w >> 1) | (b0 << (m_sx - 1));
}
} else if (dx != 0) {
for (int k = 0; k < dx; ++k) {
uint32_t b0 = ((w & (1 << (m_sx - 1))) != 0);
w = (w << 1) | b0;
}
}
bits [((unsigned int)(m_sy + i + dy)) % m_sy] = w;
}
memcpy (m_pattern, bits, sizeof (m_pattern));
expand_pattern ();
update ();
emit changed ();
if (manager () && manager ()->transacting ()) {
manager ()->queue (this, new PatternStorageOp (m_pattern, m_sx, m_sy, false));
}
}
void
EditStippleWidget::undo (db::Op *op)
{
PatternStorageOp *pop = dynamic_cast <PatternStorageOp *> (op);
if (pop && pop->before) {
set_pattern (pop->pattern, pop->width, pop->height);
emit changed ();
}
}
void
EditStippleWidget::redo (db::Op *op)
{
PatternStorageOp *pop = dynamic_cast <PatternStorageOp *> (op);
if (pop && ! pop->before) {
set_pattern (pop->pattern, pop->width, pop->height);
emit changed ();
}
}
}