Create beziercurve.c

add-license-1
Jan Bodnar 8 years ago
parent 1796c36486
commit 17026b8e0e
  1. 58
      graphics/beziercurve.c

@ -0,0 +1,58 @@
#include <windows.h>
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
PWSTR lpCmdLine, int nCmdShow) {
MSG msg;
WNDCLASSW wc = {0};
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpszClassName = L"BezierCurve";
wc.hInstance = hInstance;
wc.hbrBackground = GetSysColorBrush(COLOR_3DFACE);
wc.lpfnWndProc = WndProc;
wc.hCursor = LoadCursor(0, IDC_ARROW);
RegisterClassW(&wc);
CreateWindowW(wc.lpszClassName, L"Beziér curve",
WS_OVERLAPPEDWINDOW | WS_VISIBLE,
100, 100, 500, 200, NULL, NULL, hInstance, NULL);
while (GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return (int) msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam) {
HDC hdc;
PAINTSTRUCT ps;
POINT points[4] = { 20, 40, 320, 200, 330, 110, 450, 40 };
switch(msg) {
case WM_PAINT:
hdc = BeginPaint(hwnd, &ps);
PolyBezier(hdc, points, 4);
EndPaint(hwnd, &ps);
break;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProcW(hwnd, msg, wParam, lParam);
}
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