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better ruler rendering. Fails totally at 2x oversampling

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This commit is contained in:
Thomas Ferreira de Lima
2018-03-15 23:07:25 -04:00
parent b6ec5b7c0d
commit a6738f5be4
2 changed files with 8 additions and 7 deletions
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src/laybasic/laybasic/layLayoutCanvas.cc
+7 -6
View File
@@ -469,7 +469,7 @@ LayoutCanvas::prepare_drawing ()
{
if (m_need_redraw) {
BitmapViewObjectCanvas::set_size (m_viewport_l.width (), m_viewport_l.height (), 1.0 / double (m_oversampling) * 2);
BitmapViewObjectCanvas::set_size (m_viewport_l.width (), m_viewport_l.height (), 1.0 / double (m_oversampling) / 2);
if (! mp_image ||
(unsigned int) mp_image->width () != m_viewport_l.width () ||
@@ -506,7 +506,7 @@ LayoutCanvas::prepare_drawing ()
++c;
}
mp_redraw_thread->commit (m_layers, m_viewport_l, 1.0 / double (m_oversampling) * 2);
mp_redraw_thread->commit (m_layers, m_viewport_l, 1.0 / double (m_oversampling) / 2);
if (tl::verbosity () >= 20) {
tl::info << "Restored image from cache";
@@ -556,7 +556,7 @@ LayoutCanvas::prepare_drawing ()
}
if (m_redraw_clearing) {
mp_redraw_thread->start (mp_view->synchronous () ? 0 : mp_view->drawing_workers (), m_layers, m_viewport_l, 1.0 / double (m_oversampling) * 2, m_redraw_force_update);
mp_redraw_thread->start (mp_view->synchronous () ? 0 : mp_view->drawing_workers (), m_layers, m_viewport_l, 1.0 / double (m_oversampling) / 2, m_redraw_force_update);
} else {
mp_redraw_thread->restart (m_need_redraw_layer);
}
@@ -715,8 +715,9 @@ LayoutCanvas::paintEvent (QPaintEvent *)
bitmap_to_bitmap (fg_style (n), *fg_bitmap (n), p_data, m_viewport_l.width (), m_viewport_l.height (), dither_pattern (), line_styles ());
subsample (p_data, m_viewport.width (), m_viewport.height (), m_oversampling * 2);
QBitmap bitmap = QBitmap::fromData (QSize (m_viewport.width (), m_viewport.height ()), p_data);
bitmap.setDevicePixelRatio(2.0);
painter.setPen (QRgb (fg_style (n).ormask ()));
QPen pen (QRgb (fg_style (n).ormask ()));
//pen.setWidthF(1.5);
painter.setPen (pen);
painter.drawPixmap (0, 0, bitmap);
}
}
@@ -985,7 +986,7 @@ LayoutCanvas::screenshot ()
QImage img (m_viewport.width (), m_viewport.height (), QImage::Format_RGB32);
img.fill (m_background);
DetachedViewObjectCanvas vo_canvas (background_color (), foreground_color (), active_color (), m_viewport_l.width (), m_viewport_l.height (), 1.0 / double (m_oversampling), &img);
DetachedViewObjectCanvas vo_canvas (background_color (), foreground_color (), active_color (), m_viewport_l.width (), m_viewport_l.height (), 1.0 / double (m_oversampling) / 2, &img);
// and paint the background objects. It uses "img" to paint on.
do_render_bg (m_viewport_l, vo_canvas);