a1fad1f947
It is very unlikely that anyone has ever actually used ASS2 for anything, and in practice it was not usable anyway as the bottom margin was always either ignored or blindly overwritten.
153 lines
4.4 KiB
C++
153 lines
4.4 KiB
C++
// Copyright (c) 2007, Rodrigo Braz Monteiro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Aegisub Project http://www.aegisub.org/
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//
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// $Id$
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/// @file subs_preview.cpp
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/// @brief Preview control using a dummy video provider and subtitles provider to render a preview
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/// @ingroup custom_control
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///
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#include "config.h"
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#ifndef AGI_PRE
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#include <wx/dcclient.h>
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#include <wx/dcmemory.h>
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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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#include "include/aegisub/subtitles_provider.h"
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#include "video_provider_dummy.h"
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SubtitlesPreview::SubtitlesPreview(wxWindow *parent, wxSize size, int winStyle, wxColour col)
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: wxWindow(parent, -1, wxDefaultPosition, size, winStyle)
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, style(new AssStyle)
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, backColour(col)
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, subFile(new AssFile)
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, line(new AssDialogue)
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{
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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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wxSizeEvent evt(size);
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OnSize(evt);
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UpdateBitmap();
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Bind(wxEVT_PAINT, &SubtitlesPreview::OnPaint, this);
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Bind(wxEVT_SIZE, &SubtitlesPreview::OnSize, this);
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}
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SubtitlesPreview::~SubtitlesPreview() {
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}
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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, sizeof style->Margin);
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style->UpdateData();
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UpdateBitmap();
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}
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void SubtitlesPreview::SetText(wxString text) {
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wxString newText = "{\\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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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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void SubtitlesPreview::UpdateBitmap() {
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if (!vid) return;
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AegiVideoFrame frame;
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frame.CopyFrom(vid->GetFrame(0));
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if (provider) {
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try {
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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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}
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// Convert frame to bitmap
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*bmp = static_cast<wxBitmap>(frame.GetImage());
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frame.Clear();
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Refresh();
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}
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void SubtitlesPreview::OnPaint(wxPaintEvent &) {
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wxPaintDC(this).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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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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if (!provider)
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provider.reset(SubtitlesProviderFactory::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", wxOK | wxICON_ERROR | wxCENTER);
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}
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subFile->SetScriptInfo("PlayResX", wxString::Format("%d", w));
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subFile->SetScriptInfo("PlayResY", wxString::Format("%d", h));
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UpdateBitmap();
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}
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