void PathDeformRenderer::generateLensPixmap()
{
qreal rad = m_radius + LENS_EXTENT;
QRect bounds = circle_bounds(QPointF(), rad, 0);
QPainter painter;
if (preferImage()) {
m_lens_image = QImage(bounds.size(), QImage::Format_ARGB32_Premultiplied);
m_lens_image.fill(0);
painter.begin(&m_lens_image);
} else {
m_lens_pixmap = QPixmap(bounds.size());
m_lens_pixmap.fill(Qt::transparent);
painter.begin(&m_lens_pixmap);
}
QRadialGradient gr(rad, rad, rad, 3 * rad / 5, 3 * rad / 5);
gr.setColorAt(0.0, QColor(255, 255, 255, 191));
gr.setColorAt(0.2, QColor(255, 255, 127, 191));
gr.setColorAt(0.9, QColor(150, 150, 200, 63));
gr.setColorAt(0.95, QColor(0, 0, 0, 127));
gr.setColorAt(1, QColor(0, 0, 0, 0));
painter.setRenderHint(QPainter::Antialiasing);
painter.setBrush(gr);
painter.setPen(Qt::NoPen);
painter.drawEllipse(0, 0, bounds.width(), bounds.height());
}
void PathDeformRenderer::paint(QPainter *painter)
{
int pad_x = 5;
int pad_y = 5;
int skip_x = qRound(m_pathBounds.width() + pad_x + m_fontSize/2);
int skip_y = qRound(m_pathBounds.height() + pad_y);
painter->setPen(Qt::NoPen);
painter->setBrush(Qt::black);
QRectF clip(painter->clipPath().boundingRect());
int overlap = pad_x / 2;
for (int start_y=0; start_y < height(); start_y += skip_y) {
if (start_y > clip.bottom())
break;
int start_x = -overlap;
for (; start_x < width(); start_x += skip_x) {
if (start_y + skip_y >= clip.top() &&
start_x + skip_x >= clip.left() &&
start_x <= clip.right()) {
for (int i=0; i<m_paths.size(); ++i) {
QPainterPath path = lensDeform(m_paths[i], QPointF(start_x, start_y));
painter->drawPath(path);
}
}
}
overlap = skip_x - (start_x - width());
}
if (preferImage()) {
painter->drawImage(m_pos - QPointF(m_radius + LENS_EXTENT, m_radius + LENS_EXTENT),
m_lens_image);
} else {
painter->drawPixmap(m_pos - QPointF(m_radius + LENS_EXTENT, m_radius + LENS_EXTENT),
m_lens_pixmap);
}
}
void ArthurFrame::paintEvent(QPaintEvent *e)
{
#ifdef Q_WS_QWS
static QPixmap *static_image = 0;
#else
static QImage *static_image = 0;
#endif
QPainter painter;
if (preferImage()
#ifdef QT_OPENGL_SUPPORT
&& !m_use_opengl
#endif
) {
if (!static_image || static_image->size() != size()) {
delete static_image;
#ifdef Q_WS_QWS
static_image = new QPixmap(size());
#else
static_image = new QImage(size(), QImage::Format_RGB32);
#endif
}
painter.begin(static_image);
int o = 10;
QBrush bg = palette().brush(QPalette::Background);
painter.fillRect(0, 0, o, o, bg);
painter.fillRect(width() - o, 0, o, o, bg);
painter.fillRect(0, height() - o, o, o, bg);
painter.fillRect(width() - o, height() - o, o, o, bg);
} else {
#ifdef QT_OPENGL_SUPPORT
if (m_use_opengl) {
painter.begin(glw);
painter.fillRect(QRectF(0, 0, glw->width(), glw->height()), palette().color(backgroundRole()));
} else {
painter.begin(this);
}
#else
painter.begin(this);
#endif
}
painter.setClipRect(e->rect());
painter.setRenderHint(QPainter::Antialiasing);
QPainterPath clipPath;
QRect r = rect();
qreal left = r.x() + 1;
qreal top = r.y() + 1;
qreal right = r.right();
qreal bottom = r.bottom();
qreal radius2 = 8 * 2;
clipPath.moveTo(right - radius2, top);
clipPath.arcTo(right - radius2, top, radius2, radius2, 90, -90);
clipPath.arcTo(right - radius2, bottom - radius2, radius2, radius2, 0, -90);
clipPath.arcTo(left, bottom - radius2, radius2, radius2, 270, -90);
clipPath.arcTo(left, top, radius2, radius2, 180, -90);
clipPath.closeSubpath();
painter.save();
painter.setClipPath(clipPath, Qt::IntersectClip);
painter.drawTiledPixmap(rect(), m_tile);
// client painting
paint(&painter);
painter.restore();
painter.save();
if (m_show_doc)
paintDescription(&painter);
painter.restore();
int level = 180;
painter.setPen(QPen(QColor(level, level, level), 2));
painter.setBrush(Qt::NoBrush);
painter.drawPath(clipPath);
if (preferImage()
#ifdef QT_OPENGL_SUPPORT
&& !m_use_opengl
#endif
) {
painter.end();
painter.begin(this);
#ifdef Q_WS_QWS
painter.drawPixmap(e->rect(), *static_image, e->rect());
#else
painter.drawImage(e->rect(), *static_image, e->rect());
#endif
}
#ifdef QT_OPENGL_SUPPORT
if (m_use_opengl && (inherits("PathDeformRenderer") || inherits("PathStrokeRenderer") || inherits("CompositionRenderer") || m_show_doc))
glw->swapBuffers();
#endif
}
void ArthurFrame::paintEvent(QPaintEvent *e)
{
static QImage *static_image = 0;
QPainter painter;
if (preferImage()) {
if (!static_image) {
static_image = new QImage(size(), QImage::Format_RGB32);
} else if (static_image->size() != size()) {
delete static_image;
static_image = new QImage(size(), QImage::Format_RGB32);
}
painter.begin(static_image);
int o = 10;
QBrush bg = palette().brush(QPalette::Background);
painter.fillRect(0, 0, o, o, bg);
painter.fillRect(width() - o, 0, o, o, bg);
painter.fillRect(0, height() - o, o, o, bg);
painter.fillRect(width() - o, height() - o, o, o, bg);
} else {
painter.begin(this);
}
painter.setClipRect(e->rect());
painter.setRenderHint(QPainter::Antialiasing);
QPainterPath clipPath;
QRect r = rect();
double left = r.x() + 1;
double top = r.y() + 1;
double right = r.right();
double bottom = r.bottom();
double radius2 = 8 * 2;
clipPath.moveTo(right - radius2, top);
clipPath.arcTo(right - radius2, top, radius2, radius2, 90, -90);
clipPath.arcTo(right - radius2, bottom - radius2, radius2, radius2, 0, -90);
clipPath.arcTo(left, bottom - radius2, radius2, radius2, 270, -90);
clipPath.arcTo(left, top, radius2, radius2, 180, -90);
clipPath.closeSubpath();
painter.save();
painter.setClipPath(clipPath, Qt::IntersectClip);
painter.drawTiledPixmap(rect(), m_tile);
// client painting
paint(&painter);
painter.restore();
painter.save();
if (m_show_doc)
paintDescription(&painter);
painter.restore();
int level = 180;
painter.setPen(QPen(QColor(level, level, level), 2));
painter.setBrush(Qt::NoBrush);
painter.drawPath(clipPath);
if (preferImage()) {
painter.end();
painter.begin(this);
painter.drawImage(e->rect(), *static_image, e->rect());
}
}
