void ModelOpened::ExportPNG(wxString val, wxString suffix)
{
if (val == wxEmptyString)
return;
wxFileName fn = fixMPQPath(val);
if (fn.GetExt().Lower() != wxT("blp"))
return;
TextureID temptex = texturemanager.add(val);
Texture &tex = *((Texture*)texturemanager.items[temptex]);
if (tex.w == 0 || tex.h == 0)
return;
wxString temp;
unsigned char *tempbuf = (unsigned char*)malloc(tex.w*tex.h*4);
tex.getPixels(tempbuf, GL_BGRA_EXT);
CxImage *newImage = new CxImage(0);
newImage->AlphaCreate(); // Create the alpha layer
newImage->IncreaseBpp(32); // set image to 32bit
newImage->CreateFromArray(tempbuf, tex.w, tex.h, 32, (tex.w*4), true);
if (bPathPreserved) {
wxFileName::Mkdir(wxGetCwd()+SLASH+wxT("Export")+SLASH+fn.GetPath(), 0755, wxPATH_MKDIR_FULL);
temp = wxGetCwd()+SLASH+wxT("Export")+SLASH+fn.GetPath()+SLASH+fn.GetName()+wxT(".")+suffix;
} else {
temp = wxGetCwd()+SLASH+wxT("Export")+SLASH+fn.GetName()+wxT(".")+suffix;
}
//wxLogMessage(wxT("Info: Exporting texture to %s..."), temp.c_str());
if (suffix == wxT("tga"))
#ifndef _MINGW
newImage->Save(temp.mb_str(), CXIMAGE_FORMAT_TGA);
#else
newImage->Save(temp.wc_str(), CXIMAGE_FORMAT_TGA);
#endif
else
// This must be called before any frame-saving is attempted.
void CAnimationExporter::CreateGif()
{
if(!g_canvas || !g_canvas->model || !g_canvas->model->animManager)
{
wxMessageBox(_T("Unable to create animated GIF!"), _T("Error") );
wxLogMessage(_T(
"Error: Unable to created animated GIF. A required objects pointer was null!") );
Show(false);
return ;
}
CxImage **gifImages = NULL; // Our pointer array of images
// Reset the state of our GUI objects
btnStart->Enable(false);
btnCancel->Enable(false);
cbGrey->Enable(false);
cbTrans->Enable(false);
cbDither->Enable(false);
cbShrink->Enable(false);
txtFrames->Enable(false);
txtSizeX->Enable(false);
txtSizeY->Enable(false);
txtDelay->Enable(false);
// Pause our rendering to screen so we can focus on making the animated image
g_videoSetting.render = false;
m_fAnimSpeed = g_canvas->model->animManager->GetSpeed();
// Save the old animation speed
g_canvas->model->animManager->SetSpeed(1.0f); // Set it to the normal speed.
m_iTotalAnimFrames = g_canvas->model->animManager->GetFrameCount();
wxString(txtFrames->GetValue() ).ToLong( (long*) &m_iTotalFrames);
wxString(txtDelay->GetValue() ).ToLong( (long*) &m_iDelay);
// will crash program - prevent this from happening
if(m_iTotalFrames > m_iTotalAnimFrames)
{
wxMessageBox(_T(
"Impossible to make a gif with more frames than the model animation.\nClosing gif exporter."), _T("Error") );
wxLogMessage(_T(
"Error: Unable to make a gif with more frames than the model animation.") );
this->Show(false);
return ;
}
if(m_iDelay < 1)
{
m_iDelay = 1;
}
if(m_iDelay > 100)
{
m_iDelay = 100;
}
m_iTimeStep = int(m_iTotalAnimFrames / m_iTotalFrames);
// Total number of frames in the animation / total frames going into our exported animation image
if(m_bShrink)
{
wxString(txtSizeX->GetValue() ).ToLong( (long*) &m_iNewWidth);
wxString(txtSizeY->GetValue() ).ToLong( (long*) &m_iNewHeight);
// Just a minor check, final image size can not be smaller than 32x32 pixels.
if(m_iNewWidth < 32 || m_iNewHeight < 32)
{
m_iNewWidth = 32;
m_iNewHeight = 32;
}
}
// CREATE OUR RENDERTOTEXTURE OBJECT
// -------------------------------------------
// if either are supported use our 'RenderTexture' object.
if(g_videoSetting.supportPBO || g_videoSetting.supportVBO)
{
g_canvas->rt = new RenderTexture();
if(!g_canvas->rt)
{
wxLogMessage(_T("Error: RenderToTexture object is null!") );
this->Show(false);
return ;
}
g_canvas->rt->Init( (HWND)g_canvas->GetHandle(), 0, 0, g_videoSetting.supportFBO)
;
m_iWidth = g_canvas->rt->nWidth;
m_iHeight = g_canvas->rt->nHeight;
g_canvas->rt->BeginRender();
}
else
{
glReadBuffer(GL_BACK);
int screenSize[4];
glGetIntegerv(GL_VIEWPORT, screenSize);
// get the width/height of the canvas
m_iWidth = screenSize[2];
m_iHeight = screenSize[3];
return ;
}
// Stop our animation
g_canvas->model->animManager->Pause(true);
g_canvas->model->animManager->Stop();
g_canvas->model->animManager->AnimateParticles();
// Size of our buffer to hold the pixel data
m_iSize = m_iWidth * m_iHeight * 4; // (width*height*bytesPerPixel)
// Create one frame to make our optimal colour palette from.
unsigned char *buffer = new unsigned char[m_iSize];
gifImages = new CxImage *[m_iTotalFrames];
for(unsigned int i = 0; i < m_iTotalFrames; i++)
{
lblCurFrame->SetLabel(wxString::Format(_T("Current Frame: %i"), i) );
this->Refresh();
this->Update();
CxImage *newImage = new CxImage(0);
g_canvas->RenderToBuffer();
glReadPixels(0, 0, m_iWidth, m_iHeight, GL_BGRA_EXT, GL_UNSIGNED_BYTE,
buffer);
newImage->CreateFromArray(buffer, m_iWidth, m_iHeight, 32, (m_iWidth *4)
, false);
// not needed due to the code just below, which fixes the issue with particles
//g_canvas->model->animManager->SetTimeDiff(m_iTimeStep);
//g_canvas->model->animManager->Tick(m_iTimeStep);
if(g_canvas->root)
{
g_canvas->root->tick( (float)m_iTimeStep);
}
if(g_canvas->sky)
{
g_canvas->sky->tick( (float)m_iTimeStep);
}
#ifdef _WIN32
if(m_bGreyscale)
{
newImage->GrayScale();
}
#endif //_WIN32
if(m_bShrink && m_iNewWidth != m_iWidth && m_iNewHeight != m_iHeight)
{
newImage->Resample(m_iNewWidth, m_iNewHeight, 2);
}
// if (Optimise) {
if(!m_pPal)
{
CQuantizer q(256, 8);
q.ProcessImage( (HANDLE)newImage->GetDIB() );
m_pPal = (RGBQUAD*)calloc(256 *sizeof(RGBQUAD), 1);
//This creates our gifs optimised global colour palette
q.SetColorTable(m_pPal);
}
newImage->DecreaseBpp(8, m_bDiffuse, m_pPal, 256);
newImage->SetCodecOption(2); // for LZW compression
if(m_bTransparent)
{
newImage->SetTransIndex(newImage->GetPixelIndex(0, 0) );
}
newImage->SetFrameDelay(m_iDelay);
gifImages[i] = newImage;
// All the memory that we allocate for newImage gets cleared at the end
}
wxDELETEA(buffer);
if(g_videoSetting.supportPBO || g_videoSetting.supportVBO)
{
g_canvas->rt->EndRender();
// Clear RenderTexture object.
g_canvas->rt->Shutdown();
wxDELETE(g_canvas->rt);
}
// CREATE THE ACTUAL MULTI-IMAGE GIF ANIMATION
// ------------------------------------------------------
// Create the file and write all the data
// Open/Create the file that were going to save to
FILE *hFile = NULL;
hFile = fopen(m_strFilename.fn_str(), "wb");
// Set gif options
CxImageGIF multiImage;
multiImage.SetComment("Exported from WoW Model Viewer");
if(m_bTransparent)
{
multiImage.SetDisposalMethod(2);
}
else
{
multiImage.SetDisposalMethod(0);
}
multiImage.SetFrameDelay(m_iDelay);
multiImage.SetCodecOption(2); // LZW
multiImage.SetLoops(0); // Set the animation to loop indefinately.
// Create/Compose the animated gif
multiImage.Encode(hFile, gifImages, m_iTotalFrames, false);
// ALL DONE, START THE CLEAN UP
// --------------------------------------------------------
// Close file
fclose(hFile);
// Free the memory used by all the images to create the GIF
for(unsigned int i = 0; i < m_iTotalFrames; i++)
{
gifImages[i]->Destroy();
wxDELETE(gifImages[i]);
}
wxDELETEA(gifImages);
// Free memory used by the colour palette
if(m_pPal)
{
free(m_pPal);
m_pPal = NULL;
}
wxLogMessage(_T("Info: GIF Animation successfully created.") );
g_canvas->model->animManager->SetSpeed(m_fAnimSpeed);
// Return the animation speed back to whatever it was previously set as
g_canvas->model->animManager->Play();
Show(false);
g_videoSetting.render = true;
g_canvas->InitView();
}