Create penstyles.c

graphics/penstyles.c

@@ -0,0 +1,91 @@
+#include <windows.h>
+
+LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
+void DrawLines(HWND);
+
+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"Pens";
+    wc.hInstance     = hInstance;
+    wc.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
+    wc.lpfnWndProc   = WndProc;
+    wc.hCursor       = LoadCursor(0, IDC_ARROW);
+
+    RegisterClassW(&wc);
+    CreateWindowW(wc.lpszClassName, L"Pens",
+          WS_OVERLAPPEDWINDOW | WS_VISIBLE,
+          100, 100, 250, 180, 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) {
+    
+    switch(msg) {
+  
+        case WM_PAINT:
+
+            DrawLines(hwnd);
+            break;
+
+        case WM_DESTROY:
+
+            PostQuitMessage(0);
+            return 0;
+    }
+
+    return DefWindowProcW(hwnd, msg, wParam, lParam);
+}
+
+void DrawLines(HWND hwnd) {
+
+    PAINTSTRUCT ps;
+
+    HDC hdc = BeginPaint(hwnd, &ps);
+    HPEN hPen1 = CreatePen(PS_SOLID, 1, RGB(0, 0, 0));
+    HPEN hPen2 = CreatePen(PS_DASH, 1, RGB(0, 0, 0));
+    HPEN hPen3 = CreatePen(PS_DOT, 1, RGB(0, 0, 0));
+    HPEN hPen4 = CreatePen(PS_DASHDOT, 1, RGB(0, 0, 0));
+    HPEN hPen5 = CreatePen(PS_DASHDOTDOT, 1, RGB(0, 0, 0));
+
+    HPEN holdPen = SelectObject(hdc, hPen1);
+    MoveToEx(hdc, 50, 30, NULL);
+    LineTo(hdc, 200, 30);
+
+    SelectObject(hdc, hPen2);
+    MoveToEx(hdc, 50, 50, NULL);
+    LineTo(hdc, 200, 50);
+
+    SelectObject(hdc, hPen2);
+    MoveToEx(hdc, 50, 70, NULL);
+    LineTo(hdc, 200, 70);
+
+    SelectObject(hdc, hPen3);
+    MoveToEx(hdc, 50, 90, NULL);
+    LineTo(hdc, 200, 90);
+
+    SelectObject(hdc, hPen4);
+    MoveToEx(hdc, 50, 110, NULL);
+    LineTo(hdc, 200, 110);
+
+    SelectObject(hdc, holdPen);
+    DeleteObject(hPen1);
+    DeleteObject(hPen2);
+    DeleteObject(hPen3);
+    DeleteObject(hPen4);
+    DeleteObject(hPen5);
+
+    EndPaint(hwnd, &ps);  
+}