Aegisub/aegisub/subtitle_provider_dtextsub.cpp

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// Copyright (c) 2007, Niels Martin Hansen
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// -----------------------------------------------------------------------------
//
// AEGISUB
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:jiifurusu@gmail.com
//
// Use Gabest's RenderedTextSubtitles directly
#if USE_DTEXTSUB == 1
#include <wx/wxprec.h>
#include <wx/image.h>
#include "ass_file.h"
#include "subtitle_provider.h"
#include "video_provider.h"
#include <windows.h>
#include "vsfilter_editor_plugin.h"
#pragma comment(lib, "vsfilter.lib")
class SubtitleProviderDTextSub : public SubtitleProvider, public SubtitleProvider::Overlay {
private:
// A little copy-paste from the libass code...
class MyClass : public Class {
public:
MyClass() : Class(L"DirectTextSub")
{
};
virtual SubtitleProvider *Get(AssFile *subs)
{
return new SubtitleProviderDTextSub(subs);
};
};
static MyClass me;
EditorPluginRenderer *renderer;
RECT rect;
AssFile *subs;
VideoProvider *vpro;
public:
SubtitleProviderDTextSub(AssFile *_subs);
virtual ~SubtitleProviderDTextSub();
virtual void Bind(VideoProvider *_vpro);
virtual void SetParams(int width, int height);
virtual void Render(wxImage &frame, int ms);
virtual void Unbind();
};
SubtitleProviderDTextSub::MyClass SubtitleProviderDTextSub::me;
SubtitleProviderDTextSub::SubtitleProviderDTextSub(AssFile *_subs)
: vpro(0)
{
subs = _subs;
renderer = renderer_new();
if (!renderer)
throw _T("Failed to create VSFilter Editor Interface renderer");
}
SubtitleProviderDTextSub::~SubtitleProviderDTextSub()
{
Unbind();
renderer_free(renderer);
}
void SubtitleProviderDTextSub::Bind(VideoProvider *_vpro)
{
vpro = _vpro;
vpro->AttachOverlay(this);
}
void SubtitleProviderDTextSub::SetParams(int width, int height)
{
SIZE screen;
SIZE script;
screen.cx = width;
screen.cy = height;
if (subs) {
int w, h;
subs->GetResolution(w, h);
script.cx = w;
script.cy = h;
} else {
script.cx = width;
script.cy = height;
}
renderer_set_resolution(renderer, &script, &screen, 0);
}
void SubtitleProviderDTextSub::Render(wxImage &frame, int ms)
{
// TODO: some way to discover whether it was just a seek and nothing needs to be reloaded
renderer_clear(renderer);
for (entryIter l = subs->Line.begin(); l != subs->Line.end(); ++l) {
}
BYTE *bits = frame.GetData();
renderer_render_overlay(renderer, ms, bits);
}
void SubtitleProviderDTextSub::Unbind()
{
if (vpro)
vpro->AttachOverlay(NULL);
vpro = 0;
}
#endif