relative coordinates

Tell me about my experience:
If work demand, the original poster can query the relevant patent of and , and to do further work,
If is to learn, also can get some inspiration,

CodePudding user response:

Fyi:

 # pragma comment (lib, "user32") 
# pragma comment (lib, "gdi32") 
#include  
#include  
#include  
Char ch [3]. 
Would be uc [2]; 
Int I, UN=0, n. 
HFONT HFONT ohfont; 
LRESULT a CALLBACK WndProc (HWND HWND, UINT message, WPARAM WPARAM, LPARAM LPARAM) {
PAINTSTRUCT ps; 
HDC HDC. 
The RECT r; 
COLORREF oc; 
Int iNumPts; 
LPPOINT lpPoints;//Path data points 
LPBYTE lpTypes;//Path data types 
HPEN hOldPen; 

The switch (the message) {
Case WM_CLOSE: 
The PostQuitMessage (0); 
break; 
Case WM_KEYUP: 
If (wParam==VK_ESCAPE | | wParam==VK_SPACE) PostQuitMessage (0); 
break; 
In case the WM_PAINT: 
BeginPaint (hWnd, & amp; Ps); 
HDC=ps. HDC;//the device context to the draw in 
GetClientRect (hWnd, & amp; R);//Obtain the window 's client rectangle 
Ohfont=(HFONT) SelectObject (HDC, HFONT); 
Oc=SetTextColor (HDC, 0 x00ffffff); 
SetBkMode (HDC, TRANSPARENT); 
BeginPath (HDC); 
If (un> 0) TextOutW (HDC, r.l eft + 100, r.t op + 100, uc, UN); 
The else TextOut (HDC, r.l eft + 100, r.t op + 100, ch, strlen (ch)); 
EndPath (HDC); 
//FlattenPath (HDC);//will all the Bezier curve segment is converted to linear segment 
INumPts=GetPath (HDC, NULL, NULL, 0). 
LpPoints=(GlobalAlloc LPPOINT) (GPTR, sizeof (POINT) * iNumPts); 
LpTypes=(GlobalAlloc LPBYTE) (GPTR iNumPts); 
INumPts=GetPath (HDC, lpPoints lpTypes, iNumPts); 
HOldPen=(HPEN) SelectObject (HDC, CreatePen (PS_SOLID, 0, RGB (0,0,255))); 

StrokePath (HDC); 
//for (I=0; i//the switch (lpTypes [I]) {
//case PT_MOVETO: 
//MoveToEx (HDC, lpPoints [I] x, lpPoints [I] y, NULL); 
//break; 
//
//case PT_LINETO | PT_CLOSEFIGURE: 
//case PT_LINETO: 
//LineTo (HDC, lpPoints [I] x, lpPoints [I] y); 
//break; 
//
//case PT_BEZIERTO | PT_CLOSEFIGURE: 
//case PT_BEZIERTO: 
//PolyBezierTo (HDC, & amp; LpPoints [I], 3); 
//I +=2; 
//break; 
//} 
//} 

for (i=0; iThe switch (lpTypes [I]) {
Case PT_MOVETO: 
SetPixel (HDC, lpPoints [I] x, lpPoints [I] y, RGB (255,0,255)); 
break; 
Case PT_LINETO | PT_CLOSEFIGURE: 
Case PT_LINETO: 
SetPixel (HDC, lpPoints [I] x, lpPoints [I] y, RGB (255255255)); 
break; 
Case PT_BEZIERTO | PT_CLOSEFIGURE: 
Case PT_BEZIERTO: 
SetPixel (HDC, lpPoints [I] x, lpPoints [I] y, RGB (255, 0, 0)); 
SetPixel (HDC, lpPoints [I + 1] x, lpPoints [I + 1] y, RGB (0255, 0)); 
SetPixel (HDC, lpPoints [I + 2] x, lpPoints [I + 2] y, RGB (255255, 0)); 
I +=2; 
break; 
} 
} 
DeleteObject (SelectObject (HDC, hOldPen)); 
GlobalFree (lpPoints); 
GlobalFree (lpTypes); 
SelectObject (HDC, ohfont); 
SetTextColor (HDC, oc); 
EndPaint (hWnd, & amp; Ps); 
break; 
Default: 
Return DefWindowProc (hWnd, message, wParam, lParam); 
} 
return 0; 
} 
Int WINAPI WinMain (HINSTANCE HINSTANCE, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
MSG MSG={0}; 
WNDCLASS wc={0}; 
HBRUSH HBRH; 
DWORD charset=1; 
HBRH=CreateSolidBrush (0 x00000000); 
Wc. LpfnWndProc=WndProc; 
The wc. The hInstance=hInstance; 
Wc. HbrBackground=HBRH; 
Wc. LpszClassName="minwindowsapp"; 
Wc. HCursor=LoadCursor (NULL, IDC_ARROW); 

If (lpCmdLine [0]==0) {
HELP: 
DeleteObject (HBRH); 
MessageBox (NULL, "FontPath words | | 0 0 XXX XXXXX | \ \ uXXXX | \ \ uXXXX \ \ uXXXX [charset] font name \ n \ n" 
"ANSI_CHARSET 0 \ n 
""DEFAULT_CHARSET 1 \ n 
""SYMBOL_CHARSET 2 \ n 
""SHIFTJIS_CHARSET 128 \ n" 
"HANGEUL_CHARSET 129 \ n" 
"GB2312_CHARSET 134 \ n" 
"CHINESEBIG5_CHARSET 136 \ n" 
"OEM_CHARSET 255 \ n" 
"JOHAB_CHARSET 130 \ n" 
"HEBREW_CHARSET 177 \ n" 
"ARABIC_CHARSET 178 \ n" 
"GREEK_CHARSET 161 \ n" 
"TURKISH_CHARSET 162 \ n" 
"VIETNAMESE_CHARSET 163 \ n" 
"THAI_CHARSET 222 \ n" 
"EASTEUROPE_CHARSET 238 \ n" 
"RUSSIAN_CHARSET 204 \ n" 
"MAC_CHARSET 77 \ n" 
"BALTIC_CHARSET 186 
", "FontPath", MB_OK); 
return 4; 
} 

Uc [0]=0; Uc [1]=0; 
If (==2 sscanf (lpCmdLine, \ \ "u % hx \ \ u % hx % n", & amp; Uc [0], & amp; Uc [1], & amp; I)) {
UN=2; 
} else if (1==sscanf (lpCmdLine, \ \ "u % hx % n", & amp; Uc [0], & amp; I)) {
UN=1; Ch [0]=' '; Ch [1]=0; 
} else if (1==sscanf (lpCmdLine, 0 x % hx % n, ch, & amp; I)) {
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