LRESULT CALLBACK WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
switch (uMsg)
{
case WM_PAINT:
hdc = BeginPaint(hwnd, &ps);
int graphics;
GdipCreateFromHDC(hdc, &graphics);//创建Graphics对象
GdipCreatePen1(0x60FF2015, 1, 2, &pen);//创建画笔
GdipDrawRectangle(graphics, pen, 20, 20, 120, 120);//画矩形
GdipDrawLine(graphics, pen, 50, 60, 170, 340);//画直线
GdipDeletePen(pen);//销毁画笔
GdipDeleteGraphics(graphics);//销毁Graphics对象
EndPaint(hwnd, &ps);
return 0;//告诉系统，WM_PAINT消息我已经处理了，你那儿凉快哪儿玩去吧。
case WM_CREATE:
break;
case WM_DESTROY://窗口已经销毁
PostQuitMessage(0);//退出消息循环，结束应用程序
return 0;
break;
case WM_LBUTTONDOWN://鼠标左键按下
//让无边框窗口能够拖动(在窗口客户区拖动)
PostMessage(hwnd, WM_SYSCOMMAND, 61458, 0);
break;
/*case WM_MOUSEMOVE://鼠标移动
int xPos, yPos;
xPos = GET_X_LPARAM(lParam);//鼠标位置X坐标
yPos = GET_Y_LPARAM(lParam);//鼠标位置Y坐标
//不要用LOWORD和HIWORD获取坐标，因为坐标有可能是负的
break;*/
default:
break;
}
return DefWindowProc(hwnd, uMsg, wParam, lParam);//其他消息交给系统处理
}
static void
win_draw(win_t *win)
{
GpGraphics *gp;
GpStatus st;
GpImage *img;
gunichar2 *unis;
XClearWindow(win->dpy, win->win);
GdipCreateFromXDrawable_linux (win->win, win->dpy, &gp);
{
GpPen *pen;
GpSolidFill *brush;
int a = 255;
int r = 255;
int g = 0;
int b = 0;
GdipCreatePen1 (a << 24 | r << 16 | g << 8 | b,
10, UnitPixel, &pen);
GdipDrawRectangle (gp, pen, 10, 10, 60, 60);
GdipDrawLine (gp, pen, 0, 0, 100, 100);
GdipCreateSolidFill (a << 24 | r << 16 | g << 8 | b, &brush);
printf ("%d\n",GdipFillEllipse (gp, (GpBrush*)brush, 40, 40, 50, 75));
// return;
}
unis = g_utf8_to_utf16 ("test.jpg", -1, NULL, NULL, NULL);
st = GdipLoadImageFromFile (unis, &img);
CHECK_GDIP_ST(st);
st = GdipDrawImage (gp, img, 0, 0);
CHECK_GDIP_ST(st);
g_free (unis);
GdipDisposeImage (img);
img = NULL;
printf("jpg drawn \n");
unis = g_utf8_to_utf16 ("test.tif", -1, NULL, NULL, NULL);
st = GdipLoadImageFromFile (unis, &img);
CHECK_GDIP_ST(st);
st = GdipDrawImage (gp, img, 100, 0);
CHECK_GDIP_ST(st);
g_free (unis);
GdipDisposeImage (img);
img = NULL;
printf("tif drawn \n");
unis = g_utf8_to_utf16 ("test.gif", -1, NULL, NULL, NULL);
st = GdipLoadImageFromFile (unis, &img);
CHECK_GDIP_ST(st);
st = GdipDrawImage (gp, img, 200, 0);
CHECK_GDIP_ST(st);
g_free (unis);
GdipDisposeImage (img);
img = NULL;
printf("gif drawn \n");
unis = g_utf8_to_utf16 ("test.png", -1, NULL, NULL, NULL);
st = GdipLoadImageFromFile (unis, &img);
CHECK_GDIP_ST(st);
st = GdipDrawImage (gp, img, 0, 100);
CHECK_GDIP_ST(st);
g_free (unis);
GdipDisposeImage (img);
img = NULL;
printf("png drawn \n");
unis = g_utf8_to_utf16 ("test.bmp", -1, NULL, NULL, NULL);
st = GdipLoadImageFromFile (unis, &img);
CHECK_GDIP_ST(st);
st = GdipDrawImage (gp, img, 200, 100);
CHECK_GDIP_ST(st);
g_free (unis);
GdipDisposeImage (img);
img = NULL;
printf("bmp drawn \n");
}
