void* PrepareWindow(void* nativeWindow)
{
SafeHDC hDC((HWND)nativeWindow);
int format = ChoosePixelFormat(hDC, &defaultPixelFormatDescriptor);
SetPixelFormat(hDC, format, &defaultPixelFormatDescriptor);
return nativeWindow;
}
void OGLWindow::setupPalette()
{
int pixelFormat = GetPixelFormat(hDC ());
PIXELFORMATDESCRIPTOR pfd;
LOGPALETTE* pPal;
int paletteSize;
int redMask, greenMask, blueMask;
int i;
DescribePixelFormat(hDC (), pixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
if (pfd.dwFlags & PFD_NEED_PALETTE)
paletteSize = 1 << pfd.cColorBits;
else
return;
pPal = (LOGPALETTE*)LocalAlloc(LPTR, sizeof(LOGPALETTE) + paletteSize * sizeof(PALETTEENTRY));
pPal->palVersion = 0x300;
pPal->palNumEntries = (short)paletteSize;
// build a simple RGB color palette
redMask = (1 << pfd.cRedBits) - 1;
greenMask = (1 << pfd.cGreenBits) - 1;
blueMask = (1 << pfd.cBlueBits) - 1;
for (i=0; i<paletteSize; ++i)
{ pPal->palPalEntry[i].peRed = (BYTE)(
(((i >> pfd.cRedShift) & redMask) * 255) / redMask);
pPal->palPalEntry[i].peGreen = (BYTE)(
(((i >> pfd.cGreenShift) & greenMask) * 255) / greenMask);
pPal->palPalEntry[i].peBlue = (BYTE)(
(((i >> pfd.cBlueShift) & blueMask) * 255) / blueMask);
pPal->palPalEntry[i].peFlags = 0;
}
hPalette_ = CreatePalette(pPal);
LocalFree(pPal);
if (hPalette_)
{
DeleteObject(SelectPalette(hDC (), hPalette_, FALSE));
RealizePalette(hDC ());
}
}
void OGLWindow::close ()
{
if (hDC() == NULL) throw Uninitialized ();
// deselect rendering context and delete it
//wglMakeCurrent(hDC_, NULL); //This causes a crash!
//wglDeleteContext(hRC_); //So does this!
// send WM_QUIT to message queue
PostQuitMessage(0);
}
Platform_win32()
{
mInternalWindow = CreateWindowEx(WS_EX_CLIENTEDGE, "STATIC", "Mini3DHiddenWindow", 0, CW_USEDEFAULT, CW_USEDEFAULT, 0, 0, HWND_MESSAGE, 0, GetModuleHandle(NULL), 0);
SafeHDC hDC(mInternalWindow);
int pixelFormat = ChoosePixelFormat(hDC, &defaultPixelFormatDescriptor);
mini3d_assert(pixelFormat != 0, "Failed to create default opengl context. CreatePixelFormat failed: (%u)", GetLastError());
BOOL result = SetPixelFormat(hDC, pixelFormat, &defaultPixelFormatDescriptor);
mini3d_assert(result != 0, "Failed to create default opengl context. SetPixelFormat failed: (%u)", GetLastError());
mRenderContext = wglCreateContext(hDC);
wglMakeCurrent(hDC, mRenderContext);
}
font_info get_font_info(HFONT _hFont)
{
font_info fi;
LOGFONT lf = {0};
::GetObject(_hFont, sizeof(lf), &lf);
fi.name = lf.lfFaceName;
fi.bold = lf.lfWeight > FW_NORMAL;
fi.italic = !!lf.lfItalic;
fi.underline = !!lf.lfUnderline;
fi.strikeout = !!lf.lfStrikeOut;
fi.antialiased = lf.lfQuality != NONANTIALIASED_QUALITY;
scoped_getdc hDC(GetDesktopWindow());
fi.point_size = logical_height_to_pointf(hDC, lf.lfHeight);
return fi;
}
void CWIN_MFC_KBView::OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags)
{
// TODO: 在此添加消息处理程序代码和/或调用默认值
CClientDC hDC(this);
HBRUSH hBrush = (HBRUSH)GetStockObject(WHITE_BRUSH); //创建 白画刷。
HPEN hPen = (HPEN)GetStockObject(WHITE_PEN); //创建白画笔。
SelectObject(hDC, hPen); //选入白画刷
SelectObject(hDC, hBrush); //选入白画笔
SetTextColor(hDC, RGB(255, 0, 0)); //设置字体颜色为红色。
//输出信息。
if (nUpKeyDown == TRUE) {
Rectangle(hDC, 0, 0, 300, 200); //覆盖字符串
TextOut(hDC, 0, 0, cUp, _tcslen(cUp));
nUpKeyDown = FALSE;
}
else if (nCtrlAKeyDown == TRUE) {
Rectangle(hDC, 0, 0, 300, 200);
TextOut(hDC, 0, 100, cCtrl_A, _tcslen(cCtrl_A));
nCtrlAKeyDown = FALSE;
nCtrlKeyDown = FALSE;
}
//else if(nCtrlAKeyDown == TRUE)
else if (nCtrlKeyDown == TRUE&&nCtrlAKeyDown == FALSE) {
Rectangle(hDC, 0, 0, 300, 200);
TextOut(hDC, 0, 60, cCtrl, _tcslen(cCtrl));
nCtrlKeyDown = FALSE;
}
else if (nShiftBKeyDown == TRUE) {
Rectangle(hDC, 0, 0, 300, 200);
TextOut(hDC, 0, 0, cShift_B, _tcslen(cShift_B));
nShiftBKeyDown = FALSE;
nShiftKeyDown = FALSE;
}
else if (nShiftBKeyDown == FALSE&&nShiftKeyDown == TRUE) {
Rectangle(hDC, 0, 0, 300, 200);
TextOut(hDC, 0, 0, cShift, _tcslen(cShift));
nShiftKeyDown = FALSE;
}
else if (nOtherKeyDown == TRUE) {
Rectangle(hDC, 0, 0, 300, 200);
nOtherKeyDown = FALSE;
}
else;
CView::OnKeyUp(nChar, nRepCnt, nFlags);
}
Implementation(HWND hWnd, size_t width, size_t height, void* memory)
: hDC_(0), hBitmap_(0), pBitmapData_(0), width_(width), height_(height)
{
DCWrapper hDC(hWnd);
hDC_ = CreateCompatibleDC(hDC);
if(CreateBitmap(hDC_, width_, height_, hBitmap_, reinterpret_cast<void**>(&pBitmapData_), memory))
SelectObject(hDC_, hBitmap_);
else
{
hDC_ = 0;
hBitmap_ = 0;
pBitmapData_ = 0;
throw std::exception("Failed to create bitmap");
}
}
WXHBRUSH wxNotebook::QueryBgBitmap()
{
wxRect r = GetPageSize();
if ( r.IsEmpty() )
return 0;
WindowHDC hDC(GetHwnd());
MemoryHDC hDCMem(hDC);
CompatibleBitmap hBmp(hDC, r.x + r.width, r.y + r.height);
SelectInHDC selectBmp(hDCMem, hBmp);
if ( !DoDrawBackground((WXHDC)(HDC)hDCMem) )
return 0;
return (WXHBRUSH)::CreatePatternBrush(hBmp);
}
CSize CTaskDialog::GetTextExtent(HFONT hFont, LPCWSTR szText, int cx_width) const
{
CSize size(0, 0);
// obtains the number of caracters that fit on each line
CWindowDC hDC(m_hWnd);
CFontHandle _hFont = hDC.SelectFont(hFont);
if (!::GetTextExtentEx(hDC, szText, ::lstrlenW(szText), cx_width, &size)) {
size.cx = 0;
size.cy = 0;
}
hDC.SelectFont(_hFont);
return size;
}
void OGLWindow::destruct()
{
if (hRC_)
{
wglMakeCurrent(hDC (), NULL);
wglDeleteContext(hRC_);
}
if (hPalette_)
{
DeleteObject(hPalette_);
}
SetWindowLong(hWND_, GWL_USERDATA, (LONG)NULL);
DestroyWindow(hWND_);
// if we're in fullscreen, get out of it
endFullScreen();
}
HFONT make_font(const font_info& _Desc)
{
scoped_getdc hDC(GetDesktopWindow());
HFONT hFont = CreateFont(
point_to_logical_heightf(hDC, _Desc.point_size)
, 0
, 0
, 0
, _Desc.bold ? FW_BOLD : FW_NORMAL
, _Desc.italic
, _Desc.underline
, _Desc.strikeout
, DEFAULT_CHARSET
, OUT_DEFAULT_PRECIS
, CLIP_DEFAULT_PRECIS
, _Desc.antialiased ? CLEARTYPE_QUALITY : NONANTIALIASED_QUALITY
, DEFAULT_PITCH
, _Desc.name);
return hFont;
}
void CLotteryDlg::_readFrontPagePic()
{
ShowWindow(SW_HIDE);
CString strFilePath = _getCurPath() + L"frontpage.bmp";
CPaintDC hDC(this);
m_PicWidth = 1;
m_PicHeight = 1;
//一次读取生成的随机数对应的编号中的字符串
if (!_loadPic(strFilePath, &m_FrontPageInfo))
{
AfxMessageBox(_T("加载首页图片:") + strFilePath + _T("出错"));
return ;
}
m_FrontPageInfo._width = MulDiv(m_FrontPageInfo._cx, GetDeviceCaps(hDC, LOGPIXELSX), 2540);
m_FrontPageInfo._height = MulDiv(m_FrontPageInfo._cy, GetDeviceCaps(hDC, LOGPIXELSY), 2540);
m_PicWidth += m_FrontPageInfo._width;
if (m_PicHeight < m_FrontPageInfo._height)
m_PicHeight = m_FrontPageInfo._height;
_calcMargin();
ShowWindow(SW_SHOW);
}
LRESULT CWidgetAddress::OnEraseBkgnd(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
TRY_CATCH
HDC hdc=reinterpret_cast<HDC>(wParam);
PAINTSTRUCT m_ps;
HDC hDC(hdc?hdc:(BeginPaint(&m_ps)));
RECT windowRect;
GetWindowRect(&windowRect);
ScreenToClient(&windowRect);
LRESULT res = 0L;
bHandled=TRUE;
HPEN pen = CreatePen(PS_SOLID, 1, EdgeColor1);
HPEN penOld = (HPEN)SelectObject(hDC, pen);
res = Rectangle(hDC, windowRect.left, windowRect.top, windowRect.right, windowRect.bottom);
SelectObject(hDC, penOld);
DeleteObject(pen);
if (!hdc)
EndPaint(&m_ps);
return res;
CATCH_LOG()
bHandled=FALSE;
return 0;
}
void Window::destruct()
{
if (hRC_)
{
wglMakeCurrent(hDC (), NULL);
wglDeleteContext(hRC_);
hRC_ = NULL;
}
if (hPalette_)
{
DeleteObject(hPalette_);
}
// Should I add this?
// release the DC if we have one
// if (hDC_ && !ReleaseDC(g_hwnd, hDC_))
// {
//MessageBox(NULL, "Unable to release device context", "Error", MB_OK | MB_ICONINFORMATION);
//hDC_ = NULL;
// }
SetWindowLong(hWND_, GWL_USERDATA, (LONG)NULL);
if (hWND_) DestroyWindow(hWND_);
//Should I add this? Consider later
// // unregister our class so we can create a new one if we need to
// if (!UnregisterClass(WND_CLASS_NAME, g_hInstance))
// {
//MessageBox(NULL, "Unable to unregister window class", "Error", MB_OK | MB_ICONINFORMATION);
//g_hInstance = NULL;
// }
// if we're in fullscreen, get out of it
endFullScreen();
}
DGraphics::FontResourcePtr DGraphics::loadFont(const wchar_t *fontName,
uint32_t startChar, uint32_t endChar, uint32_t w, uint32_t h)
{
HRESULT hr = S_OK;
// Create font
HFONT htmpFont = ::CreateFont(
h, 0, 0, 0, 0, FALSE, FALSE, FALSE, SHIFTJIS_CHARSET,
OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, PROOF_QUALITY,
FIXED_PITCH | FF_MODERN, fontName);
checkWin32Result(htmpFont != nullptr, "CreateFont() failed");
auto fontDel = [](HFONT hFont) { ::DeleteObject(hFont); };
std::unique_ptr<std::remove_pointer<HFONT>::type, decltype(fontDel)>
hFont(htmpFont, fontDel);
// Get DC
HDC htmpDC = ::GetDC(nullptr);
checkWin32Result(htmpDC != nullptr, "GetDC() failed");
auto dcRel = [](HDC hDC) { ::ReleaseDC(nullptr, hDC); };
std::unique_ptr<std::remove_pointer<HDC>::type, decltype(dcRel)>
hDC(htmpDC, dcRel);
// Select font
HFONT tmpOldFont = static_cast<HFONT>(::SelectObject(hDC.get(), hFont.get()));
checkWin32Result(tmpOldFont != nullptr, "SelectObject() failed");
auto restoreObj = [&hDC](HFONT oldFont) { ::SelectObject(hDC.get(), oldFont); };
std::unique_ptr<std::remove_pointer<HFONT>::type, decltype(restoreObj)>
hOldFont(tmpOldFont, restoreObj);
TEXTMETRIC tm = { 0 };
checkWin32Result(::GetTextMetrics(hDC.get(), &tm) != FALSE,
"GetTextMetrics() failed");
std::vector<FontTexture::TexPtr> texList;
std::vector<FontTexture::RvPtr> rvList;
texList.reserve(endChar - startChar + 1);
rvList.reserve(endChar - startChar + 1);
for (uint32_t c = startChar; c <= endChar; c++) {
// Get font bitmap
GLYPHMETRICS gm = { 0 };
const MAT2 mat = { { 0, 1 },{ 0, 0 },{ 0, 0 },{ 0, 1 } };
DWORD bufSize = ::GetGlyphOutline(hDC.get(), c, GGO_GRAY8_BITMAP, &gm, 0, nullptr, &mat);
checkWin32Result(bufSize != GDI_ERROR, "GetGlyphOutline() failed");
auto buf = std::make_unique<uint8_t[]>(bufSize);
DWORD ret = ::GetGlyphOutline(hDC.get(), c, GGO_GRAY8_BITMAP, &gm, bufSize, buf.get(), &mat);
checkWin32Result(ret != GDI_ERROR, "GetGlyphOutline() failed");
uint32_t pitch = (gm.gmBlackBoxX + 3) / 4 * 4;
// Black box pos in while box
uint32_t destX = gm.gmptGlyphOrigin.x;
uint32_t destY = tm.tmAscent - gm.gmptGlyphOrigin.y;
// Create texture
D3D11_TEXTURE2D_DESC desc = { 0 };
desc.Width = w;
desc.Height = h;
desc.MipLevels = 1;
desc.ArraySize = 1;
desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
desc.SampleDesc.Count = 1;
desc.Usage = D3D11_USAGE_DYNAMIC;
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
ID3D11Texture2D *ptmpTex = nullptr;
hr = m_pDevice->CreateTexture2D(&desc, nullptr, &ptmpTex);
checkDXResult<D3DError>(hr, "ID3D11Device::CreateTexture2D() failed");
// make unique_ptr and push
texList.emplace_back(ptmpTex);
// Write
D3D11_MAPPED_SUBRESOURCE mapped;
UINT subres = ::D3D11CalcSubresource(0, 0, 1);
hr = m_pContext->Map(ptmpTex, subres, D3D11_MAP_WRITE_DISCARD, 0, &mapped);
checkDXResult<D3DError>(hr, "ID3D11DeviceContext::Map() failed");
uint8_t *pTexels = static_cast<uint8_t *>(mapped.pData);
::ZeroMemory(pTexels, w * h * 4);
for (uint32_t y = 0; y < gm.gmBlackBoxY; y++) {
for (uint32_t x = 0; x < gm.gmBlackBoxX; x++) {
if (destX + x >= w || destY + y >= h) {
continue;
}
uint32_t alpha = buf[y * pitch + x] * 255 / 64;
uint32_t destInd = (((destY + y) * w) + (destX + x)) * 4;
pTexels[destInd + 0] = 0;
pTexels[destInd + 1] = 0;
pTexels[destInd + 2] = 0;
pTexels[destInd + 3] = alpha;
}
}
m_pContext->Unmap(ptmpTex, subres);
// Create resource view
ID3D11ShaderResourceView *ptmpRV = nullptr;
hr = m_pDevice->CreateShaderResourceView(ptmpTex, nullptr, &ptmpRV);
checkDXResult<D3DError>(hr, "ID3D11Device::CreateShaderResourceView() failed");
// make unique_ptr and push
rvList.emplace_back(ptmpRV);
}
// add (id, FontTexture(...))
auto res = std::make_shared<FontTexture>(
w, h, startChar, endChar);
res->pTexList.swap(texList);
res->pRVList.swap(rvList);
return res;
}
void SwapWindowBuffers(void* nativeSurface) { SafeHDC hDC((HWND)nativeSurface); SwapBuffers(hDC); }
void CLotteryDlg::OnPaint()
{
if (IsIconic())
{
}
else
{
CPaintDC hDC(this);
CRect rect(m_RenderRect);
GetClientRect(&rect);
//rect.InflateRect(10, 10);
//绘制数字图片
int xPos = m_leftWidth, yPos = m_RenderRect.top;
int index = 0;
//int num = sizeof(m_RenderInfo)/sizeof(m_RenderInfo[0]);
//for (int i = 0; i < num; ++i)
//{
// index = m_RenderInfo[i]._no;
// HRESULT hRes = m_PicInfo[index]._iPic->Render(hDC, xPos, yPos, m_PicInfo[index]._width, m_PicInfo[index]._height,
// m_PicInfo[index]._x, m_PicInfo[index]._cy, m_PicInfo[index]._cx, -m_PicInfo[index]._cy, NULL);
// xPos += m_PicWidth + m_innerWidth;
//}
try
{
//一次只显示一个图片
index = m_CurPartnerNoInRandList;
int picHeight = m_PartnerPicInfo[index]._height;
int picWidth = m_PartnerPicInfo[index]._width;
if (picWidth == 0)
picWidth = 1;
double ratio = double(picHeight) / double(picWidth);
if (ratio < 0.001)
ratio = 1.0;
if (picHeight > rect.Height() * HEIGHTRATIO)//这里计算保证最大在指定的区域内
{
picHeight = int(rect.Height() * HEIGHTRATIO);
picWidth = int(rect.Height() * HEIGHTRATIO / ratio);
}
yPos = rect.CenterPoint().y - picHeight/2;
xPos = rect.CenterPoint().x - picWidth/2;
if (!m_bFirstFlash)
{
HRESULT hRes = m_PartnerPicInfo[index]._iPic->Render(hDC, xPos, yPos-1, picWidth, picHeight,
m_PartnerPicInfo[index]._x, m_PartnerPicInfo[index]._cy, m_PartnerPicInfo[index]._cx, -m_PartnerPicInfo[index]._cy, NULL);
}
else
{
if (m_FrontPageInfo._iPic != NULL)
{
HRESULT hRes = m_FrontPageInfo._iPic->Render(hDC, xPos, yPos, picWidth, picHeight,
m_FrontPageInfo._x, m_FrontPageInfo._cy, m_FrontPageInfo._cx, -m_FrontPageInfo._cy, NULL);
}
}
}
catch(...)
{
return ;
}
SetTextAlign(hDC, TA_LEFT | TA_BOTTOM);
//绘制界面信息
_drawWinnerInfo(&hDC);
_drawLotteryInfo(&hDC);
_drawTips(&hDC);
//print();
CDialog::OnPaint();
}
}
