forked from mia/Aegisub
150 lines
4.4 KiB
C++
150 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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/// @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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std::fill(style->Margin.begin(), style->Margin.end(), 0);
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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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