~BitmapDC()
{
prepareBitmap(0, 0);
if (m_hDC)
{
DeleteDC(m_hDC);
}
HFONT hDefFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
if (hDefFont != m_hFont)
{
DeleteObject(m_hFont);
m_hFont = hDefFont;
}
// release temp font resource
if (m_curFontPath.size() > 0)
{
wchar_t * pwszBuffer = utf8ToUtf16(m_curFontPath);
if (pwszBuffer)
{
RemoveFontResourceW(pwszBuffer);
SendMessage( m_hWnd, WM_FONTCHANGE, 0, 0);
delete [] pwszBuffer;
pwszBuffer = NULL;
}
}
}
bool drawText(const char *pszText, int nWidth, int nHeight, CCImage::ETextAlign eAlignMask)
{
bool bRet = false;
do
{
CC_BREAK_IF(! pszText);
CC_BREAK_IF(! prepareBitmap(nWidth, nHeight));
/* create canvas */
SkPaint::FontMetrics font;
m_pPaint->getFontMetrics(&font);
SkCanvas canvas(*m_pBitmap);
/*
* draw text
* @todo: alignment
*/
canvas.drawText(pszText, strlen(pszText), 0.0, -font.fAscent, *m_pPaint);
bRet = true;
} while (0);
return bRet;
}
~BitmapDC()
{
prepareBitmap(0, 0);
if (m_hDC)
{
DeleteDC(m_hDC);
}
}
~BitmapDC()
{
prepareBitmap(0, 0);
if (_DC)
{
DeleteDC(_DC);
}
removeCustomFont();
}
bool createDeviceResource() {
DPTR_P(Direct2DRenderer);
update_background = true;
destroyDeviceResource();
//
// This method creates resources which are bound to a particular
// Direct3D device. It's all centralized here, in case the resources
// need to be recreated in case of Direct3D device loss (eg. display
// change, remoting, removal of video card, etc).
//
//TODO: move to prepare(), or private. how to call less times
D2D1_RENDER_TARGET_PROPERTIES rtp = {
D2D1_RENDER_TARGET_TYPE_DEFAULT,
pixel_format,
0,
0,
D2D1_RENDER_TARGET_USAGE_NONE,
D2D1_FEATURE_LEVEL_DEFAULT
};
D2D1_SIZE_U size = {
(UINT32)p.width(),
(UINT32)p.height()
};//d.renderer_width, d.renderer_height?
// Create a Direct2D render target.
D2D1_HWND_RENDER_TARGET_PROPERTIES hwnd_rtp = {
(HWND)p.winId(),
size,
//TODO: what do these mean?
D2D1_PRESENT_OPTIONS_RETAIN_CONTENTS //D2D1_PRESENT_OPTIONS_IMMEDIATELY /* this might need fiddling */
};
HRESULT hr = d2d_factory->CreateHwndRenderTarget(&rtp//D2D1::RenderTargetProperties() //TODO: vlc set properties
, &hwnd_rtp//D2D1::HwndRenderTargetProperties(, size)
, &render_target);
if (FAILED(hr)) {
qWarning("Direct2D is disabled. CreateHwndRenderTarget() failed: %d", (int)GetLastError());
render_target = 0;
return false;
}
SafeRelease(&bitmap);
prepareBitmap(src_width, src_height); //bitmap depends on render target
return hr == S_OK;
}
~BitmapDC()
{
prepareBitmap(0, 0);
if (m_hDC)
{
DeleteDC(m_hDC);
}
HFONT hDefFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
if (hDefFont != m_hFont)
{
DeleteObject(m_hFont);
m_hFont = hDefFont;
}
// release temp font resource
if (m_curFontPath.size() > 0)
{
RemoveFontResource(m_curFontPath.c_str());
SendMessage(m_hWnd, WM_FONTCHANGE, 0, 0);
}
}
int drawText(const char * pszText, SIZE& tSize, CCImage::ETextAlign eAlign)
{
int nRet = 0;
do
{
CC_BREAK_IF(! pszText);
DWORD dwFmt = DT_WORDBREAK;
DWORD dwHoriFlag = eAlign & 0x0f;
DWORD dwVertFlag = (eAlign & 0xf0) >> 4;
switch (dwHoriFlag)
{
case 1: // left
dwFmt |= DT_LEFT;
break;
case 2: // right
dwFmt |= DT_RIGHT;
break;
case 3: // center
dwFmt |= DT_CENTER;
break;
}
int nLen = strlen(pszText);
SIZE newSize = sizeWithText(pszText, nLen, dwFmt, tSize.cx);
RECT rcText = {0};
// if content width is 0, use text size as content size
if (tSize.cx <= 0)
{
tSize = newSize;
rcText.right = newSize.cx;
rcText.bottom = newSize.cy;
}
else
{
LONG offsetX = 0;
LONG offsetY = 0;
rcText.right = newSize.cx; // store the text width to rectangle
// calculate text horizontal offset
if (1 != dwHoriFlag // and text isn't align to left
&& newSize.cx < tSize.cx) // and text's width less then content width,
{ // then need adjust offset of X.
offsetX = (2 == dwHoriFlag) ? tSize.cx - newSize.cx // align to right
: (tSize.cx - newSize.cx) / 2; // align to center
}
// if content height is 0, use text height as content height
// else if content height less than text height, use content height to draw text
if (tSize.cy <= 0)
{
tSize.cy = newSize.cy;
dwFmt |= DT_NOCLIP;
rcText.bottom = newSize.cy; // store the text height to rectangle
}
else if (tSize.cy < newSize.cy)
{
// content height larger than text height need, clip text to rect
rcText.bottom = tSize.cy;
}
else
{
rcText.bottom = newSize.cy; // store the text height to rectangle
// content larger than text, need adjust vertical position
dwFmt |= DT_NOCLIP;
// calculate text vertical offset
offsetY = (2 == dwVertFlag) ? tSize.cy - newSize.cy // align to bottom
: (3 == dwVertFlag) ? (tSize.cy - newSize.cy) / 2 // align to middle
: 0; // align to top
}
if (offsetX || offsetY)
{
OffsetRect(&rcText, offsetX, offsetY);
}
}
CC_BREAK_IF(! prepareBitmap(tSize.cx, tSize.cy));
// draw text
HGDIOBJ hOldFont = SelectObject(m_hDC, m_hFont);
HGDIOBJ hOldBmp = SelectObject(m_hDC, m_hBmp);
RECT rc = {0, 0, tSize.cx, tSize.cy};
SetBkMode(m_hDC, TRANSPARENT);
SetTextColor(m_hDC, RGB(255, 255, 255)); // white color
nRet = DrawTextA(m_hDC, pszText, nLen, &rcText, dwFmt);
SelectObject(m_hDC, hOldBmp);
SelectObject(m_hDC, hOldFont);
} while (0);
return nRet;
}
int drawText(const char * pszText, SIZE& tSize, Device::TextAlign eAlign)
{
int nRet = 0;
wchar_t * pwszBuffer = 0;
do
{
CC_BREAK_IF(! pszText);
DWORD dwFmt = DT_WORDBREAK;
DWORD dwHoriFlag = (int)eAlign & 0x0f;
DWORD dwVertFlag = ((int)eAlign & 0xf0) >> 4;
switch (dwHoriFlag)
{
case 1: // left
dwFmt |= DT_LEFT;
break;
case 2: // right
dwFmt |= DT_RIGHT;
break;
case 3: // center
dwFmt |= DT_CENTER;
break;
}
int nLen = strlen(pszText);
// utf-8 to utf-16
int nBufLen = nLen + 1;
pwszBuffer = new wchar_t[nBufLen];
CC_BREAK_IF(! pwszBuffer);
memset(pwszBuffer, 0, sizeof(wchar_t)*nBufLen);
nLen = MultiByteToWideChar(CP_UTF8, 0, pszText, nLen, pwszBuffer, nBufLen);
SIZE newSize = sizeWithText(pwszBuffer, nLen, dwFmt, tSize.cx);
RECT rcText = {0};
// if content width is 0, use text size as content size
if (tSize.cx <= 0)
{
tSize = newSize;
rcText.right = newSize.cx;
rcText.bottom = newSize.cy;
}
else
{
LONG offsetX = 0;
LONG offsetY = 0;
rcText.right = newSize.cx; // store the text width to rectangle
// calculate text horizontal offset
if (1 != dwHoriFlag // and text isn't align to left
&& newSize.cx < tSize.cx) // and text's width less then content width,
{ // then need adjust offset of X.
offsetX = (2 == dwHoriFlag) ? tSize.cx - newSize.cx // align to right
: (tSize.cx - newSize.cx) / 2; // align to center
}
// if content height is 0, use text height as content height
// else if content height less than text height, use content height to draw text
if (tSize.cy <= 0)
{
tSize.cy = newSize.cy;
dwFmt |= DT_NOCLIP;
rcText.bottom = newSize.cy; // store the text height to rectangle
}
else if (tSize.cy < newSize.cy)
{
// content height larger than text height need, clip text to rect
rcText.bottom = tSize.cy;
}
else
{
rcText.bottom = newSize.cy; // store the text height to rectangle
// content larger than text, need adjust vertical position
dwFmt |= DT_NOCLIP;
// calculate text vertical offset
offsetY = (2 == dwVertFlag) ? tSize.cy - newSize.cy // align to bottom
: (3 == dwVertFlag) ? (tSize.cy - newSize.cy) / 2 // align to middle
: 0; // align to top
}
if (offsetX || offsetY)
{
OffsetRect(&rcText, offsetX, offsetY);
}
}
CC_BREAK_IF(! prepareBitmap(tSize.cx, tSize.cy));
// draw text
HGDIOBJ hOldFont = SelectObject(_DC, _font);
HGDIOBJ hOldBmp = SelectObject(_DC, _bmp);
SetBkMode(_DC, TRANSPARENT);
SetTextColor(_DC, RGB(255, 255, 255)); // white color
// draw text
nRet = DrawTextW(_DC, pwszBuffer, nLen, &rcText, dwFmt);
//DrawTextA(_DC, pszText, nLen, &rcText, dwFmt);
SelectObject(_DC, hOldBmp);
SelectObject(_DC, hOldFont);
} while (0);
CC_SAFE_DELETE_ARRAY(pwszBuffer);
return nRet;
}
~BitmapDC(void)
{
prepareBitmap(0, 0);
}
int drawText(TUChar* pszText, int nLen, TSize& tSize, UInt32 style)
{
int nRet = 0;
do
{
CC_BREAK_IF(! pszText);
if (tSize.Width() <= 0 || tSize.Height() <= 0)
{
CC_BREAK_IF(! getTextExtentPoint(pszText, nLen, tSize));
}
CC_BREAK_IF(tSize.Width() <= 0 || tSize.Height() <= 0);
CC_BREAK_IF(! prepareBitmap(tSize.Width(), tSize.Height()));
Int32 nWidth = tSize.Width();
Int32 nHeight = tSize.Height();
// create memory window
if (m_pMemWnd)
{
TRectangle rcMemWnd(0, 0, 0, 0);
m_pMemWnd->GetClientBounds(&rcMemWnd);
if (rcMemWnd.Width() < nWidth || rcMemWnd.Height() < nHeight)
{
m_pMemWnd->CloseWindow();
m_pMemWnd = NULL;
}
}
do
{
// if memory window is already break
CC_BREAK_IF(m_pMemWnd);
TApplication* pApp = TApplication::GetCurrentApplication();
CC_BREAK_IF(! pApp || ! (m_pMemWnd = new TWindow(pApp)));
Coord nCurrentWidth = pApp->GetScreenWidth();
Coord nCurrentHeight = pApp->GetScreenHeight();
Coord nMemWndW = (nWidth >= nCurrentWidth) ? nWidth : nCurrentWidth;
Coord nMemWndH = (nHeight >= nCurrentHeight) ? nHeight : nCurrentHeight;
CC_BREAK_IF(m_pMemWnd->CreateMemWindow(nMemWndW, nMemWndH,screenAlphaFormat));
delete m_pMemWnd;
m_pMemWnd = NULL;
} while (0);
CC_BREAK_IF(! m_pMemWnd);
// create DC
TDC dc(m_pMemWnd);
// draw text
m_pMemWnd->GetMemWindowTBitmapPtr()->Fill32(RGBA(0, 0, 0, 0), 0, 0, nWidth, nHeight);
TRectangle rect(0, 0, nWidth, nHeight);
dc.DrawTextInRectangleEx(pszText, 0, RGBA(255,255,255,255), RGBA(0,0,0,255), m_hFont, &rect, style);
dc.ReadBitmap(m_pBmp, 0, 0);
nRet = true;
} while (0);
return nRet;
}
