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Fixed problem discussed in the form (#2365) - processEvents needed for LayoutView#get_image etc.

This commit is contained in:
Matthias Koefferlein 2023-09-11 23:04:56 +02:00
parent 50c0ec2738
commit b360df16e3
2 changed files with 29 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
src/laybasic/laybasic/layLayoutViewBase.cc
View File

@ -2777,8 +2777,7 @@ LayoutViewBase::get_screenshot ()
{ {
tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Save screenshot"))); tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Save screenshot")));
// Execute all deferred methods - ensure there are no pending tasks refresh ();
tl::DeferredMethodScheduler::execute ();
return mp_canvas->screenshot ().to_image_copy (); return mp_canvas->screenshot ().to_image_copy ();
} }
@ -2789,8 +2788,7 @@ LayoutViewBase::get_screenshot_pb ()
{ {
tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Save screenshot"))); tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Save screenshot")));
// Execute all deferred methods - ensure there are no pending tasks refresh ();
tl::DeferredMethodScheduler::execute ();
return mp_canvas->screenshot (); return mp_canvas->screenshot ();
} }
@ -2828,9 +2826,8 @@ LayoutViewBase::save_screenshot (const std::string &fn)
writer.setText (tl::to_qstring (i->first), tl::to_qstring (i->second)); writer.setText (tl::to_qstring (i->first), tl::to_qstring (i->second));
} }
// Execute all deferred methods - ensure there are no pending tasks refresh ();
tl::DeferredMethodScheduler::execute ();
if (! writer.write (mp_canvas->screenshot ().to_image ())) { if (! writer.write (mp_canvas->screenshot ().to_image ())) {
throw tl::Exception (tl::to_string (tr ("Unable to write screenshot to file: %s (%s)")), fn, tl::to_string (writer.errorString ())); throw tl::Exception (tl::to_string (tr ("Unable to write screenshot to file: %s (%s)")), fn, tl::to_string (writer.errorString ()));
} }
@ -2843,8 +2840,7 @@ LayoutViewBase::save_screenshot (const std::string &fn)
{ {
tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Save screenshot"))); tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Save screenshot")));
// Execute all deferred methods - ensure there are no pending tasks refresh ();
tl::DeferredMethodScheduler::execute ();
tl::OutputStream stream (fn); tl::OutputStream stream (fn);
tl::PixelBuffer img = mp_canvas->screenshot (); tl::PixelBuffer img = mp_canvas->screenshot ();
@ -2867,9 +2863,8 @@ LayoutViewBase::get_image (unsigned int width, unsigned int height)
{ {
tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Get image"))); tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Get image")));
// Execute all deferred methods - ensure there are no pending tasks refresh ();
tl::DeferredMethodScheduler::execute ();
return mp_canvas->image (width, height).to_image_copy (); return mp_canvas->image (width, height).to_image_copy ();
} }
#endif #endif
@ -2879,8 +2874,7 @@ LayoutViewBase::get_pixels (unsigned int width, unsigned int height)
{ {
tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Get image"))); tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Get image")));
// Execute all deferred methods - ensure there are no pending tasks refresh ();
tl::DeferredMethodScheduler::execute ();
return mp_canvas->image (width, height); return mp_canvas->image (width, height);
} }
@ -2892,9 +2886,8 @@ LayoutViewBase::get_image_with_options (unsigned int width, unsigned int height,
{ {
tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Get image"))); tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Get image")));
// Execute all deferred methods - ensure there are no pending tasks refresh ();
tl::DeferredMethodScheduler::execute ();
if (monochrome) { if (monochrome) {
return mp_canvas->image_with_options_mono (width, height, linewidth, background, foreground, active, target_box).to_image_copy (); return mp_canvas->image_with_options_mono (width, height, linewidth, background, foreground, active, target_box).to_image_copy ();
} else { } else {
@ -2909,8 +2902,7 @@ LayoutViewBase::get_pixels_with_options (unsigned int width, unsigned int height
{ {
tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Get image"))); tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Get image")));
// Execute all deferred methods - ensure there are no pending tasks refresh ();
tl::DeferredMethodScheduler::execute ();
return mp_canvas->image_with_options (width, height, linewidth, oversampling, resolution, background, foreground, active, target_box); return mp_canvas->image_with_options (width, height, linewidth, oversampling, resolution, background, foreground, active, target_box);
} }
@ -2921,8 +2913,7 @@ LayoutViewBase::get_pixels_with_options_mono (unsigned int width, unsigned int h
{ {
tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Get image"))); tl::SelfTimer timer (tl::verbosity () >= 11, tl::to_string (tr ("Get image")));
// Execute all deferred methods - ensure there are no pending tasks refresh ();
tl::DeferredMethodScheduler::execute ();
return mp_canvas->image_with_options_mono (width, height, linewidth, background, foreground, active, target_box); return mp_canvas->image_with_options_mono (width, height, linewidth, background, foreground, active, target_box);
} }
@ -2941,9 +2932,8 @@ LayoutViewBase::save_image (const std::string &fn, unsigned int width, unsigned
writer.setText (tl::to_qstring (i->first), tl::to_qstring (i->second)); writer.setText (tl::to_qstring (i->first), tl::to_qstring (i->second));
} }
// Execute all deferred methods - ensure there are no pending tasks refresh ();
tl::DeferredMethodScheduler::execute ();
if (! writer.write (mp_canvas->image (width, height).to_image ())) { if (! writer.write (mp_canvas->image (width, height).to_image ())) {
throw tl::Exception (tl::to_string (tr ("Unable to write screenshot to file: %s (%s)")), fn, tl::to_string (writer.errorString ())); throw tl::Exception (tl::to_string (tr ("Unable to write screenshot to file: %s (%s)")), fn, tl::to_string (writer.errorString ()));
} }
@ -2958,8 +2948,7 @@ LayoutViewBase::save_image (const std::string &fn, unsigned int width, unsigned
lay::Viewport vp (width, height, mp_canvas->viewport ().target_box ()); lay::Viewport vp (width, height, mp_canvas->viewport ().target_box ());
// Execute all deferred methods - ensure there are no pending tasks refresh ();
tl::DeferredMethodScheduler::execute ();
tl::OutputStream stream (fn); tl::OutputStream stream (fn);
tl::PixelBuffer img = mp_canvas->image (width, height); tl::PixelBuffer img = mp_canvas->image (width, height);
@ -2993,8 +2982,7 @@ LayoutViewBase::save_image_with_options (const std::string &fn,
writer.setText (tl::to_qstring (i->first), tl::to_qstring (i->second)); writer.setText (tl::to_qstring (i->first), tl::to_qstring (i->second));
} }
// Execute all deferred methods - ensure there are no pending tasks refresh ();
tl::DeferredMethodScheduler::execute ();
if (monochrome) { if (monochrome) {
if (! writer.write (mp_canvas->image_with_options_mono (width, height, linewidth, background, foreground, active, target_box).to_image ())) { if (! writer.write (mp_canvas->image_with_options_mono (width, height, linewidth, background, foreground, active, target_box).to_image ())) {
@ -3019,8 +3007,7 @@ LayoutViewBase::save_image_with_options (const std::string &fn,
lay::Viewport vp (width, height, mp_canvas->viewport ().target_box ()); lay::Viewport vp (width, height, mp_canvas->viewport ().target_box ());
std::vector<std::pair<std::string, std::string> > texts = png_texts (this, vp.box ()); std::vector<std::pair<std::string, std::string> > texts = png_texts (this, vp.box ());
// Execute all deferred methods - ensure there are no pending tasks refresh ();
tl::DeferredMethodScheduler::execute ();
tl::OutputStream stream (fn); tl::OutputStream stream (fn);
if (monochrome) { if (monochrome) {
@ -3698,6 +3685,16 @@ LayoutViewBase::timer ()
} }
} }
void
LayoutViewBase::refresh ()
{
// Execute all deferred methods - ensure there are no pending tasks
tl::DeferredMethodScheduler::execute ();
// Issue a "tick" to execute all other pending tasks
timer ();
}
void void
LayoutViewBase::force_update_content () LayoutViewBase::force_update_content ()
{ {

2
src/laybasic/laybasic/layLayoutViewBase.h
View File

@ -2917,6 +2917,8 @@ private:
void init_layer_properties (LayerProperties &props, const LayerPropertiesList &lp_list) const; void init_layer_properties (LayerProperties &props, const LayerPropertiesList &lp_list) const;
void merge_dither_pattern (lay::LayerPropertiesList &props); void merge_dither_pattern (lay::LayerPropertiesList &props);
void refresh ();
protected: protected:
/** /**
* @brief Constructor for calling from a LayoutView * @brief Constructor for calling from a LayoutView