void TexturePackPanel::OnExportGIFClicked(wxCommandEvent& event)
{
wxFileName exFileName(m_textureListBox->GetString(m_textureListBox->GetSelection()), wxPATH_UNIX);
exFileName.SetExt("gif");
wxString defaultFileName = exFileName.GetFullName();
wxFileDialog fileDlg(this, _("Select target gif"),
wxStandardPaths::Get().GetDocumentsDir(),
defaultFileName, "*.gif", wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
if (fileDlg.ShowModal() == wxID_OK)
{
wxBusyCursor busyCursor;
wxImageArray images;
const Texture& tex = m_texturePack->at(m_textureListBox->GetSelection());
for (auto frame = tex.begin(); frame != tex.end(); ++frame)
{
wxImage frameImg(GetFrameBitmap(*frame).ConvertToImage());
wxQuantize::Quantize(frameImg, frameImg, 256);
images.Add(frameImg);
}
wxGIFHandler* gifHandler = (wxGIFHandler*) wxImage::FindHandler(wxBITMAP_TYPE_GIF);
wxTempFileOutputStream oStr(fileDlg.GetPath());
gifHandler->SaveAnimation(images, &oStr, true, m_frameDelaySpinCtrl->GetValue());
oStr.Commit();
}
}
void TexturePackPanel::UpdateFrameImage()
{
const Texture& tex = m_texturePack->at(m_textureListBox->GetSelection());
if (tex.empty() || !m_bitmap.IsOk())
{
m_frameBitmap->SetBitmap(wxNullBitmap);
return;
}
const Frame& frame = tex.at(m_frameSpinCtrl->GetValue());
m_frameBitmap->SetBitmap(GetFrameBitmap(frame, m_zoomSpinCtrl->GetValue()));
m_framePanel->Refresh();
m_framePanel->Layout();
}
void CPreviewCtrl::Draw(CDC *pDC)
{
//Get the client area
CRect rect;
GetClientRect(&rect);
HBITMAP hbmp = GetFrameBitmap(pDC->GetSafeHdc(), m_nFrame, m_nTotalFrames, rect.Width(), rect.Height());
CDC srcDC;
srcDC.CreateCompatibleDC(pDC);
HBITMAP hOldBmp = (HBITMAP)::SelectObject(srcDC.GetSafeHdc(), hbmp);
pDC->BitBlt(rect.left, rect.top, rect.Width(), rect.Height(), &srcDC, 0, 0, SRCCOPY);
::SelectObject(srcDC.GetSafeHdc(), hOldBmp);
srcDC.DeleteDC();
::DeleteObject(hbmp);
}
void CPreviewCtrl::SaveFrames(int nTotalFrames)
{
HDC hdc = ::GetDC(GetSafeHwnd());
//Get the client area
CRect rect;
GetClientRect(&rect);
CString szFileName;
int i;
for(i = 0; i <= nTotalFrames; i++)
{
HBITMAP hbmp = GetFrameBitmap(hdc, i, nTotalFrames, rect.Width(), rect.Height());
szFileName.Format("Frame%03d.bmp", i);
SaveBitmap(hdc, hbmp, rect.Width(), rect.Height(), szFileName);
DeleteObject(hbmp);
}
::ReleaseDC(GetSafeHwnd(), hdc);
}
