Aegisub/src/dialog_resample.cpp

269 lines
10 KiB
C++

// Copyright (c) 2012, Thomas Goyne <plorkyeran@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
// Aegisub Project http://www.aegisub.org/
#include "ass_file.h"
#include "async_video_provider.h"
#include "compat.h"
#include "help_button.h"
#include "include/aegisub/context.h"
#include "libresrc/libresrc.h"
#include "project.h"
#include "resolution_resampler.h"
#include "validators.h"
#include <boost/range/size.hpp>
#include <wx/checkbox.h>
#include <wx/combobox.h>
#include <wx/dialog.h>
#include <wx/sizer.h>
#include <wx/spinctrl.h>
#include <wx/statbox.h>
#include <wx/stattext.h>
#include <wx/valgen.h>
namespace {
/// @class DialogResample
/// @brief Configuration dialog for resolution resampling
///
/// Populate a ResampleSettings structure with data from the user
struct DialogResample {
wxDialog d;
agi::Context *c; ///< Project context
int script_w;
int script_h;
YCbCrMatrix script_mat;
int video_w = 0;
int video_h = 0;
YCbCrMatrix video_mat;
wxSpinCtrl *source_x;
wxSpinCtrl *source_y;
wxSpinCtrl *dest_x;
wxSpinCtrl *dest_y;
wxComboBox *source_matrix;
wxComboBox *dest_matrix;
wxCheckBox *symmetrical;
wxRadioBox *ar_mode;
wxSpinCtrl *margin_ctrl[4];
wxButton *from_script;
wxButton *from_video;
void SetSourceFromScript(wxCommandEvent &);
/// Set the destination resolution to the video's resolution
void SetDestFromVideo(wxCommandEvent &);
/// Symmetrical checkbox toggle handler
void OnSymmetrical(wxCommandEvent &);
/// Copy margin values over if symmetrical is enabled
void OnMarginChange(wxSpinCtrl *src, wxSpinCtrl *dst);
void UpdateButtons();
public:
/// Constructor
/// @param context Project context
/// @param[out] settings Settings struct to populate
DialogResample(agi::Context *context, ResampleSettings &settings);
};
enum {
LEFT = 0,
RIGHT = 1,
TOP = 2,
BOTTOM = 3
};
DialogResample::DialogResample(agi::Context *c, ResampleSettings &settings)
: d(c->parent, -1, _("Resample Resolution"))
, c(c)
{
d.SetIcon(GETICON(resample_toolbutton_16));
memset(&settings, 0, sizeof(settings));
c->ass->GetResolution(script_w, script_h);
settings.source_x = script_w;
settings.source_y = script_h;
settings.source_matrix = script_mat = MatrixFromString(c->ass->GetScriptInfo("YCbCr Matrix"));
if (auto provider = c->project->VideoProvider()) {
settings.dest_x = video_w = provider->GetWidth();
settings.dest_y = video_h = provider->GetHeight();
settings.dest_matrix = video_mat = MatrixFromString(provider->GetRealColorSpace());
}
else {
settings.dest_x = script_w;
settings.dest_y = script_h;
settings.dest_matrix = script_mat;
video_mat = YCbCrMatrix::rgb;
}
// Create all controls and set validators
for (size_t i = 0; i < 4; ++i) {
margin_ctrl[i] = new wxSpinCtrl(&d, -1, "0", wxDefaultPosition, wxDefaultSize, wxSP_ARROW_KEYS, -9999, 9999, 0);
margin_ctrl[i]->SetValidator(wxGenericValidator(&settings.margin[i]));
}
symmetrical = new wxCheckBox(&d, -1, _("&Symmetrical"));
symmetrical->SetValue(true);
margin_ctrl[RIGHT]->Enable(false);
margin_ctrl[BOTTOM]->Enable(false);
source_x = new wxSpinCtrl(&d, -1, "", wxDefaultPosition, wxDefaultSize, wxSP_ARROW_KEYS, 1, INT_MAX);
source_y = new wxSpinCtrl(&d, -1, "", wxDefaultPosition, wxDefaultSize, wxSP_ARROW_KEYS, 1, INT_MAX);
source_matrix = new wxComboBox(&d, -1, "", wxDefaultPosition,
wxDefaultSize, to_wx(MatrixNames()), wxCB_READONLY);
dest_x = new wxSpinCtrl(&d, -1, "", wxDefaultPosition, wxDefaultSize, wxSP_ARROW_KEYS, 1, INT_MAX);
dest_y = new wxSpinCtrl(&d, -1, "", wxDefaultPosition, wxDefaultSize, wxSP_ARROW_KEYS, 1, INT_MAX);
dest_matrix = new wxComboBox(&d, -1, "", wxDefaultPosition, wxDefaultSize,
to_wx(MatrixNames()), wxCB_READONLY);
source_x->SetValidator(wxGenericValidator(&settings.source_x));
source_y->SetValidator(wxGenericValidator(&settings.source_y));
source_matrix->SetValidator(MakeEnumBinder(&settings.source_matrix));
dest_x->SetValidator(wxGenericValidator(&settings.dest_x));
dest_y->SetValidator(wxGenericValidator(&settings.dest_y));
dest_matrix->SetValidator(MakeEnumBinder(&settings.dest_matrix));
from_video = new wxButton(&d, -1, _("From &video"));
from_video->Enable(false);
from_script = new wxButton(&d, -1, _("From s&cript"));
from_script->Enable(false);
wxString ar_modes[] = {_("Stretch"), _("Add borders"), _("Remove borders"), _("Manual")};
ar_mode = new wxRadioBox(&d, -1, _("Aspect Ratio Handling"), wxDefaultPosition,
wxDefaultSize, boost::size(ar_modes), ar_modes, 1, 4, MakeEnumBinder(&settings.ar_mode));
// Position the controls
auto margin_sizer = new wxGridSizer(3, 3, 5, 5);
margin_sizer->AddSpacer(1);
margin_sizer->Add(margin_ctrl[TOP], wxSizerFlags(1).Expand());
margin_sizer->AddSpacer(1);
margin_sizer->Add(margin_ctrl[LEFT], wxSizerFlags(1).Expand());
margin_sizer->Add(symmetrical, wxSizerFlags(1).Expand());
margin_sizer->Add(margin_ctrl[RIGHT], wxSizerFlags(1).Expand());
margin_sizer->AddSpacer(1);
margin_sizer->Add(margin_ctrl[BOTTOM], wxSizerFlags(1).Expand());
margin_sizer->AddSpacer(1);
auto margin_box = new wxStaticBoxSizer(wxVERTICAL, &d, _("Margin offset"));
margin_box->Add(margin_sizer, wxSizerFlags(1).Expand().Border(wxBOTTOM));
auto source_res_sizer = new wxBoxSizer(wxHORIZONTAL);
source_res_sizer->Add(source_x, wxSizerFlags(1).Border(wxRIGHT).Align(wxALIGN_CENTER_VERTICAL));
source_res_sizer->Add(new wxStaticText(&d, -1, _("x")), wxSizerFlags().Center().Border(wxRIGHT));
source_res_sizer->Add(source_y, wxSizerFlags(1).Border(wxRIGHT).Align(wxALIGN_CENTER_VERTICAL));
source_res_sizer->Add(from_script, wxSizerFlags(1));
auto source_matrix_sizer = new wxBoxSizer(wxHORIZONTAL);
source_matrix_sizer->Add(new wxStaticText(&d, -1, _("YCbCr Matrix:")), wxSizerFlags().Border(wxRIGHT).Center());
source_matrix_sizer->Add(source_matrix, wxSizerFlags(1).Center().Right());
auto source_res_box = new wxStaticBoxSizer(wxVERTICAL, &d, _("Source Resolution"));
source_res_box->Add(source_res_sizer, wxSizerFlags(1).Expand().Border(wxBOTTOM));
source_res_box->Add(source_matrix_sizer, wxSizerFlags(1).Expand());
auto dest_res_sizer = new wxBoxSizer(wxHORIZONTAL);
dest_res_sizer->Add(dest_x, wxSizerFlags(1).Border(wxRIGHT).Align(wxALIGN_CENTER_VERTICAL));
dest_res_sizer->Add(new wxStaticText(&d, -1, _("x")), wxSizerFlags().Center().Border(wxRIGHT));
dest_res_sizer->Add(dest_y, wxSizerFlags(1).Border(wxRIGHT).Align(wxALIGN_CENTER_VERTICAL));
dest_res_sizer->Add(from_video, wxSizerFlags(1));
auto dest_matrix_sizer = new wxBoxSizer(wxHORIZONTAL);
dest_matrix_sizer->Add(new wxStaticText(&d, -1, _("YCbCr Matrix:")), wxSizerFlags().Border(wxRIGHT).Center());
dest_matrix_sizer->Add(dest_matrix, wxSizerFlags(1).Center().Right());
auto dest_res_box = new wxStaticBoxSizer(wxVERTICAL, &d, _("Destination Resolution"));
dest_res_box->Add(dest_res_sizer, wxSizerFlags(1).Expand().Border(wxBOTTOM));
dest_res_box->Add(dest_matrix_sizer, wxSizerFlags(1).Expand());
auto main_sizer = new wxBoxSizer(wxVERTICAL);
main_sizer->Add(source_res_box, wxSizerFlags().Expand().Border());
main_sizer->Add(dest_res_box, wxSizerFlags().Expand().Border());
main_sizer->Add(ar_mode, wxSizerFlags().Expand().Border());
main_sizer->Add(margin_box, wxSizerFlags(1).Expand().Border());
main_sizer->Add(d.CreateStdDialogButtonSizer(wxOK | wxCANCEL | wxHELP), wxSizerFlags().Expand().Border(wxALL & ~wxTOP));
d.SetSizerAndFit(main_sizer);
d.CenterOnParent();
d.TransferDataToWindow();
UpdateButtons();
// Bind events
using std::bind;
d.Bind(wxEVT_BUTTON, bind(&HelpButton::OpenPage, "Resample resolution"), wxID_HELP);
d.Bind(wxEVT_SPINCTRL, [=](wxCommandEvent&) { UpdateButtons(); });
d.Bind(wxEVT_RADIOBOX, [=](wxCommandEvent&) { UpdateButtons(); });
from_video->Bind(wxEVT_BUTTON, &DialogResample::SetDestFromVideo, this);
from_script->Bind(wxEVT_BUTTON, &DialogResample::SetSourceFromScript, this);
symmetrical->Bind(wxEVT_CHECKBOX, &DialogResample::OnSymmetrical, this);
margin_ctrl[LEFT]->Bind(wxEVT_SPINCTRL, bind(&DialogResample::OnMarginChange, this, margin_ctrl[LEFT], margin_ctrl[RIGHT]));
margin_ctrl[TOP]->Bind(wxEVT_SPINCTRL, bind(&DialogResample::OnMarginChange, this, margin_ctrl[TOP], margin_ctrl[BOTTOM]));
}
void DialogResample::SetDestFromVideo(wxCommandEvent &) {
dest_x->SetValue(video_w);
dest_y->SetValue(video_h);
dest_matrix->SetSelection((int)video_mat);
}
void DialogResample::SetSourceFromScript(wxCommandEvent&) {
source_x->SetValue(script_w);
source_y->SetValue(script_h);
source_matrix->SetSelection((int)script_mat);
}
void DialogResample::UpdateButtons() {
from_video->Enable(c->project->VideoProvider() &&
(dest_x->GetValue() != video_w || dest_y->GetValue() != video_h));
from_script->Enable(source_x->GetValue() != script_w || source_y->GetValue() != script_h);
auto source_ar = double(source_x->GetValue()) / source_y->GetValue();
auto dest_ar = double(dest_x->GetValue()) / dest_y->GetValue();
bool ar_changed = std::abs(source_ar - dest_ar) / dest_ar > .01;
ar_mode->Enable(ar_changed);
bool margins = ar_changed && ar_mode->GetSelection() == (int)ResampleARMode::Manual;
symmetrical->Enable(margins);
margin_ctrl[LEFT]->Enable(margins);
margin_ctrl[TOP]->Enable(margins);
margin_ctrl[RIGHT]->Enable(margins && !symmetrical->GetValue());
margin_ctrl[BOTTOM]->Enable(margins && !symmetrical->GetValue());
}
void DialogResample::OnSymmetrical(wxCommandEvent &) {
bool state = !symmetrical->IsChecked();
margin_ctrl[RIGHT]->Enable(state);
margin_ctrl[BOTTOM]->Enable(state);
if (!state) {
margin_ctrl[RIGHT]->SetValue(margin_ctrl[LEFT]->GetValue());
margin_ctrl[BOTTOM]->SetValue(margin_ctrl[TOP]->GetValue());
}
}
void DialogResample::OnMarginChange(wxSpinCtrl *src, wxSpinCtrl *dst) {
if (symmetrical->IsChecked())
dst->SetValue(src->GetValue());
}
}
bool PromptForResampleSettings(agi::Context *c, ResampleSettings &settings) {
return DialogResample(c, settings).d.ShowModal() == wxID_OK;
}