Не могу представить китайский рисунок с Freetype ⇐ C++

[Anonymous]

Я пытаюсь вывести эту строку L "Привет, 你好, 日本". Вот что он показывает:



Я пытаюсь использовать Freetype Do Drait в hdc. < /P>
< /p>
< /p>

#include
#include
#include

using std::cout;
using std::endl;
template class scope_guard
{
T t;
public:
scope_guard(T _t) :t(_t) {}
~scope_guard() { t(); }
};
SIZE paintWithFont(HDC hDC, int x, int y, const wchar_t* str, wchar_t* font, int height = 0, int width = 0, DWORD iCharset = DEFAULT_CHARSET)
{
HFONT hFont = ::CreateFontW(height, width, 0, 0, FW_DONTCARE,
0, 0, 0, iCharset,
0, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH, font);
HGDIOBJ hOldFont = ::SelectObject(hDC, hFont);
scope_guard fnt_guard([&hFont, &hOldFont]() {::DeleteObject(hFont); ::DeleteObject(hOldFont); });
SIZE sz;
::GetTextExtentPoint32W(hDC, str, wcslen(str), &sz);
::TextOutW(hDC, x, y, str, wcslen(str));
::SelectObject(hDC, hOldFont);
return sz;
}

class CDemoWindow : public CWindowImpl
{

public:

CDemoWindow()
{
}
virtual ~CDemoWindow() {
}
/////////////////////////// Message Handlers /////////////////////////////////
LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
return 1;
}

LRESULT OnPaint(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
PAINTSTRUCT ps;
HDC hdc = BeginPaint(&ps);
scope_guard sg_ps([this, &ps]() { EndPaint(&ps); });

int xstart = 50, pen_x = 50, pen_y = 200, ystart = 200, step = 30;

std::wstring str = L"Hello, 你好, 日本";

SIZE sz;
unsigned int fontSize = 48;
paintWithFont(hdc, 50, ystart, str.c_str(), L"Arial", fontSize); ystart += step;

bHandled = TRUE;
return 0;
}

LRESULT OnLButtonUp(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
Invalidate(); //repaint request with a click
return 0;
}
LRESULT OnKeyDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
switch (wParam)
{
case VK_ESCAPE:
PostQuitMessage(0);
bHandled = TRUE;
break;
}
return 0;
}

LRESULT OnDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
PostQuitMessage(0);
return 1;
}

BEGIN_MSG_MAP(CDemoWindow)
MESSAGE_HANDLER(WM_CREATE, OnCreate)
MESSAGE_HANDLER(WM_PAINT, OnPaint)
MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
MESSAGE_HANDLER(WM_LBUTTONUP, OnLButtonUp)
MESSAGE_HANDLER(WM_KEYDOWN, OnKeyDown)
END_MSG_MAP()
};

int main()
{
CDemoWindow cwnd;

HWND hWnd = cwnd.Create(NULL, CWindow::rcDefault, L"Hello", WS_OVERLAPPEDWINDOW);
cwnd.ShowWindow(SW_SHOWNORMAL);
cwnd.UpdateWindow();

MSG msg;
while (GetMessage(&msg, 0, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return 0;
}


Подробнее здесь: https://stackoverflow.com/questions/797 ... h-freetype