forked from mia/Aegisub
Make updating the subtitle preview window roughly 50% faster
Originally committed to SVN as r4478.
This commit is contained in:
Thomas Goyne
parent
4ef9d41601
commit
40da39e1c8
5 changed files with 93 additions and 183 deletions
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@ -429,8 +429,8 @@ void AssFile::AddLine (wxString data,wxString group,int &version,wxString *outGr
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/// @brief Clears contents of assfile
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void AssFile::Clear () {
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for (std::list<AssEntry*>::iterator cur=Line.begin();cur != Line.end();cur++) {
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if (*cur) delete *cur;
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for (entryIter cur=Line.begin();cur != Line.end();cur++) {
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delete *cur;
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}
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Line.clear();
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@ -368,7 +368,7 @@ DialogStyleEditor::DialogStyleEditor (wxWindow *parent, AssStyle *_style, Subtit
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SubsPreview = new SubtitlesPreview(this,-1,wxDefaultPosition,wxSize(100,60),wxSUNKEN_BORDER,lagi_wxColour(OPT_GET("Colour/Style Editor/Background/Preview")->GetColour()));
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SubsPreview->SetToolTip(_("Preview of current style."));
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SubsPreview->SetStyle(style);
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SubsPreview->SetStyle(*style);
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SubsPreview->SetText(PreviewText->GetValue());
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PreviewText->SetToolTip(_("Text to be used for the preview."));
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previewButton->SetToolTip(_("Colour of preview background."));
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@ -593,7 +593,7 @@ void DialogStyleEditor::Apply (bool apply,bool close) {
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}
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// Update preview
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else if (SubsPreview) SubsPreview->SetStyle(style);
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else if (SubsPreview) SubsPreview->SetStyle(*style);
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}
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// Close
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@ -672,7 +672,7 @@ void DialogStyleEditor::OnChooseFont (wxCommandEvent &event) {
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work->italic = (newfont.GetStyle() == wxFONTSTYLE_ITALIC);
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work->underline = newfont.GetUnderlined();
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UpdateWorkStyle();
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if (SubsPreview) SubsPreview->SetStyle(work);
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if (SubsPreview) SubsPreview->SetStyle(*work);
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// Comic sans warning
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if (newfont.GetFaceName() == _T("Comic Sans MS")) {
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@ -694,7 +694,7 @@ void DialogStyleEditor::OnSetColor (int n) {
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default: throw _T("Internal error in style editor, attempted setting colour id outside range");
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}
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modify->SetWXColor(colorButton[n-1]->GetColour());
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if (SubsPreview) SubsPreview->SetStyle(work);
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if (SubsPreview) SubsPreview->SetStyle(*work);
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}
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/// @brief Child focus change
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@ -702,7 +702,7 @@ void DialogStyleEditor::OnSetColor (int n) {
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///
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void DialogStyleEditor::OnChildFocus (wxChildFocusEvent &event) {
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UpdateWorkStyle();
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if (SubsPreview) SubsPreview->SetStyle(work);
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if (SubsPreview) SubsPreview->SetStyle(*work);
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event.Skip();
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}
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@ -731,7 +731,7 @@ void DialogStyleEditor::OnPreviewColourChange (wxCommandEvent &event) {
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void DialogStyleEditor::OnCommandPreviewUpdate (wxCommandEvent &event) {
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if (!IsShownOnScreen()) return;
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UpdateWorkStyle();
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if (SubsPreview) SubsPreview->SetStyle(work);
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if (SubsPreview) SubsPreview->SetStyle(*work);
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event.Skip();
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}
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@ -35,8 +35,6 @@
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///
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////////////
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// Includes
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#include "config.h"
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#ifndef AGI_PRE
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@ -45,6 +43,7 @@
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#include <wx/msgdlg.h>
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#endif
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#include "ass_dialogue.h"
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#include "ass_file.h"
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#include "ass_style.h"
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#include "subs_preview.h"
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@ -62,184 +61,103 @@
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///
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SubtitlesPreview::SubtitlesPreview(wxWindow *parent,int id,wxPoint pos,wxSize size,int winStyle,wxColour col)
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: wxWindow(parent,id,pos,size,winStyle)
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, backColour(col)
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, subFile(new AssFile)
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, line(new AssDialogue)
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, style(new AssStyle)
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{
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AssStyle temp;
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bmp = NULL;
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style = NULL;
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vid = NULL;
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SetStyle(&temp);
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SetText(_T("preview"));
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line->Text = "{\\q2}preview";
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SetStyle(*style);
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subFile->LoadDefault();
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subFile->InsertStyle(style);
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subFile->Line.push_back(line);
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SetSizeHints(size.GetWidth(), size.GetHeight(), -1, -1);
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backColour = col;
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wxSizeEvent evt(size);
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OnSize(evt);
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UpdateBitmap();
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}
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/// @brief Destructor
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///
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SubtitlesPreview::~SubtitlesPreview() {
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delete bmp;
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bmp = NULL;
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delete style;
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style = NULL;
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delete vid;
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vid = NULL;
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}
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/// @brief Set style
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/// @param _style
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/// @return
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///
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void SubtitlesPreview::SetStyle(AssStyle *_style) {
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// Prepare style
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AssStyle *tmpStyle = dynamic_cast<AssStyle*>(_style->Clone());
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tmpStyle->name = _T("Preview");
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tmpStyle->alignment = 5;
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for (int i=0;i<4;i++) tmpStyle->Margin[i] = 0;
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tmpStyle->UpdateData();
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// See if it's any different from the current
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if (style) {
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if (tmpStyle->IsEqualTo(style)) {
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delete tmpStyle;
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return;
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}
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delete style;
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}
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// Update
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style = tmpStyle;
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void SubtitlesPreview::SetStyle(AssStyle const& newStyle) {
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*style = newStyle;
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style->name = "Default";
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style->alignment = 5;
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memset(style->Margin, 0, 4 * sizeof(int));
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style->UpdateData();
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UpdateBitmap();
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}
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/// @brief Set text
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/// @param text
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///
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void SubtitlesPreview::SetText(wxString text) {
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if (text != showText) {
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showText = text;
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wxString newText = L"{\\q2}" + text;
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if (newText != line->Text) {
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line->Text = newText;
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UpdateBitmap();
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}
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}
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/// @brief Update image
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/// @param w
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/// @param h
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/// @return
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///
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void SubtitlesPreview::UpdateBitmap(int w,int h) {
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// Visible?
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void SubtitlesPreview::UpdateBitmap() {
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if (!IsShownOnScreen()) return;
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// Get size
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if (w == -1) {
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w = GetClientSize().GetWidth();
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h = GetClientSize().GetHeight();
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}
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// Delete old bmp if needed
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if (bmp) {
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if (bmp->GetWidth() != w || bmp->GetHeight() != h) {
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delete bmp;
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bmp = NULL;
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}
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}
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// Create bitmap
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if (!bmp) {
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bmp = new wxBitmap(w,h,-1);
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}
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// Get AegiVideoFrame
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if (!vid) vid = new DummyVideoProvider(0.0,10,w,h,backColour,true);
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AegiVideoFrame frame;
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frame.CopyFrom(vid->GetFrame(0));
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// Try to get subtitles provider
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SubtitlesProvider *provider = NULL;
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if (provider.get()) {
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try {
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provider = SubtitlesProviderFactoryManager::GetProvider();
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}
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catch (...) {
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wxMessageBox(_T("Could not get any subtitles provider for the preview box. Make sure that you have a provider installed."),_T("No subtitles provider"),wxICON_ERROR|wxOK);
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}
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// Provider OK
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if (provider) {
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// Generate subtitles
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AssFile *subs = new AssFile();
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subs->LoadDefault();
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int ver = 1;
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wxString outGroup;
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subs->InsertStyle((AssStyle *)style->Clone());
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subs->SetScriptInfo(_T("PlayResX"),wxString::Format(_T("%i"),w));
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subs->SetScriptInfo(_T("PlayResY"),wxString::Format(_T("%i"),h));
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subs->AddLine(_T("Dialogue: 0,0:00:00.00,0:00:05.00,Preview,,0000,0000,0000,,{\\q2}") + showText,_T("[Events]"),ver,&outGroup);
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// Apply subtitles
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try {
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provider->LoadSubtitles(subs);
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provider->LoadSubtitles(subFile.get());
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provider->DrawSubtitles(frame, 0.1);
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}
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catch (...) { }
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delete provider;
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}
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// Convert frame to bitmap
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wxMemoryDC dc(*bmp);
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wxBitmap tempBmp(frame.GetImage());
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*bmp = static_cast<wxBitmap>(frame.GetImage());
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frame.Clear();
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dc.DrawBitmap(tempBmp,0,0);
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Refresh();
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}
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///////////////
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// Event table
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BEGIN_EVENT_TABLE(SubtitlesPreview,wxWindow)
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EVT_PAINT(SubtitlesPreview::OnPaint)
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EVT_SIZE(SubtitlesPreview::OnSize)
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END_EVENT_TABLE()
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/// @brief Paint event
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/// @param event
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///
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void SubtitlesPreview::OnPaint(wxPaintEvent &event) {
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void SubtitlesPreview::OnPaint(wxPaintEvent &) {
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wxPaintDC dc(this);
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if (!bmp) UpdateBitmap();
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if (bmp) dc.DrawBitmap(*bmp,0,0);
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dc.DrawBitmap(*bmp,0,0);
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}
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void SubtitlesPreview::OnSize(wxSizeEvent &evt) {
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if (bmp.get() && evt.GetSize() == bmp->GetSize()) return;
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int w = evt.GetSize().GetWidth();
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int h = evt.GetSize().GetHeight();
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/// @brief Size event
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/// @param event
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///
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void SubtitlesPreview::OnSize(wxSizeEvent &event) {
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delete vid;
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vid = NULL;
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UpdateBitmap(event.GetSize().GetWidth(),event.GetSize().GetHeight());
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bmp.reset(new wxBitmap(w, h, -1));
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vid.reset(new DummyVideoProvider(0.0, 10, w, h, backColour, true));
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try {
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provider.reset(SubtitlesProviderFactoryManager::GetProvider());
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}
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catch (...) {
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wxMessageBox(
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"Could not get any subtitles provider for the preview box. Make "
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"sure that you have a provider installed.",
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"No subtitles provider", wxICON_ERROR | wxOK);
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}
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subFile->SetScriptInfo("PlayResX", wxString::Format("%i", w));
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subFile->SetScriptInfo("PlayResY", wxString::Format("%i", h));
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/// @brief Set colour
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/// @param col
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///
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void SubtitlesPreview::SetColour(wxColour col) {
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backColour = col;
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delete vid;
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vid = NULL;
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UpdateBitmap();
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}
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void SubtitlesPreview::SetColour(wxColour col) {
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if (col != backColour) {
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backColour = col;
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vid.reset(new DummyVideoProvider(0.0, 10, bmp->GetWidth(), bmp->GetHeight(), backColour, true));
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UpdateBitmap();
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}
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}
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@ -34,58 +34,52 @@
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/// @ingroup custom_control
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///
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////////////
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// Includes
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#ifndef AGI_PRE
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#include <memory>
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#include <wx/window.h>
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#include <wx/bitmap.h>
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#endif
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//////////////
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// Prototypes
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class AssFile;
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class AssStyle;
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class SubtitlesProvider;
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class VideoProvider;
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/// DOCME
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/// @class SubtitlesPreview
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/// @brief DOCME
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///
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/// DOCME
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/// @brief Preview window to show a short string with a given ass style
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class SubtitlesPreview : public wxWindow {
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private:
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/// DOCME
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wxBitmap *bmp;
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/// DOCME
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/// The subtitle provider used to render the string
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std::auto_ptr<SubtitlesProvider> provider;
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/// Bitmap to render into
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std::auto_ptr<wxBitmap> bmp;
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/// The currently display style
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AssStyle* style;
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/// DOCME
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wxString showText;
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/// DOCME
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VideoProvider *vid;
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/// DOCME
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/// Video provider to render into
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std::auto_ptr<VideoProvider> vid;
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/// Current background color
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wxColour backColour;
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/// Subtitle file containing the style and displayed line
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std::auto_ptr<AssFile> subFile;
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/// Line used to render the specified text
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AssDialogue* line;
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void UpdateBitmap(int w=-1,int h=-1);
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/// Regenerate the bitmap
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void UpdateBitmap();
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/// Resize event handler
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void OnSize(wxSizeEvent &event);
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void OnPaint(wxPaintEvent &event);
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/// Paint event handler
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void OnPaint(wxPaintEvent &);
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public:
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void SetStyle(AssStyle *style);
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/// Set the style to use
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void SetStyle(AssStyle const& style);
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/// Set the text to display
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void SetText(wxString text);
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/// Set the background color
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void SetColour(wxColour col);
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/// @brief DOCME
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///
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void Update() { UpdateBitmap(); }
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SubtitlesPreview(wxWindow *parent,int id,wxPoint pos,wxSize size,int style,wxColour colour);
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@ -93,5 +87,3 @@ public:
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DECLARE_EVENT_TABLE()
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};
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@ -172,7 +172,7 @@ void AegiVideoFrame::SetTo(const unsigned char *const source[], int width, int h
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}
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/// @brief This function is only used on screenshots, so it doesn't have to be fast ------ Get wxImage
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/// @brief Get wxImage
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/// @return
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wxImage AegiVideoFrame::GetImage() const {
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if (format == FORMAT_RGB32 || format == FORMAT_RGB24) {
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