// HDC WINAPI BeginPaint( HWND hwnd, PAINTSTRUCT *lps )
public static int BeginPaint(int hwnd, int lps) {
WinWindow win = WinWindow.get(hwnd);
if (lps == 0) return 0;
Caret.HideCaret(hwnd);
int rgn = WinRegion.CreateRectRgn(0, 0, win.rectWindow.width(), win.rectWindow.height());
Message.SendMessageA(hwnd, WM_NCPAINT, rgn, 0);
GdiObj.DeleteObject(rgn);
WinDC dc = win.getDC();
if (win.invalidationRect == null) {
new WinRect(0, 0, win.rectClient.width(), win.rectClient.height()).write(lps + 8);
} else {
dc.clipX = win.invalidationRect.left;
dc.clipY = win.invalidationRect.top;
dc.clipCx = win.invalidationRect.width();
dc.clipCy = win.invalidationRect.height();
win.invalidationRect.write(lps + 8);
}
int hdc = dc.handle;
writed(lps, hdc);
writed(lps + 4, Message.SendMessageA(hwnd, WM_ERASEBKGND, hdc, 0));
return readd(lps);
}
// BOOL EndPaint(HWND hWnd, const PAINTSTRUCT *lpPaint)
public static int EndPaint(int hWnd, int lpPaint) {
WinDC dc = WinDC.get(readd(lpPaint));
if (dc != null) dc.close();
Caret.ShowCaret(hWnd);
Main.drawImage(StaticData.screen.getImage());
WinWindow.get(hWnd).validate();
return TRUE;
}
// int ReleaseDC(HWND hWnd, HDC hDC)
public static int ReleaseDC(int hWnd, int hDC) {
WinDC dc = WinDC.get(hDC);
if (dc == null) return 0;
if (dc.isScreen()) {
Main.drawImage(dc.getImage());
}
dc.close();
return 1;
}
// HDC WINAPI GetDC(HWND hwnd)
public static int GetDC(int hwnd) {
WinWindow win;
if (hwnd == 0) {
win = WinWindow.get(StaticData.desktopWindow);
} else win = WinWindow.get(hwnd);
if (win == null) return 0;
WinDC dc = win.getDC();
dc.open();
return dc.handle;
}
// BOOL Pie(HDC hdc, int nLeftRect, int nTopRect, int nRightRect, int nBottomRect, int nXRadial1,
// int nYRadial1, int nXRadial2, int nYRadial2)
public static int Pie(
int hdc,
int nLeftRect,
int nTopRect,
int nRightRect,
int nBottomRect,
int xstart,
int ystart,
int xend,
int yend) {
WinDC dc = WinDC.get(hdc);
if (dc == null) return FALSE;
if (nLeftRect == nRightRect || nTopRect == nBottomRect) return TRUE;
WinPen pen = WinPen.get(dc.hPen);
WinBrush brush = WinBrush.get(dc.hBrush);
if (pen == null || brush == null) return FALSE;
Graphics2D graphics = dc.getGraphics();
int width = nRightRect - nLeftRect;
int height = nBottomRect - nTopRect;
int start =
(int) (Math.atan2(height / 2.0 - ystart, xstart - width / 2.0) * 180 / Math.PI + 360) % 360;
int end =
(int) (Math.atan2(height / 2.0 - yend, xend - width / 2.0) * 180 / Math.PI + 360) % 360;
int len;
if (end < start) len = 360 - start + end;
else len = end - start;
Arc2D arc2D =
new Arc2D.Double(dc.x + nLeftRect, dc.y + nTopRect, width, height, start, len, Arc2D.PIE);
// inside
if (brush.setPaint(graphics)) graphics.fill(arc2D);
// border
if (pen.setStroke(dc, graphics)) graphics.draw(arc2D);
graphics.dispose();
return TRUE;
}
// BOOL Ellipse(HDC hdc, int nLeftRect, int nTopRect, int nRightRect, int nBottomRect)
public static int Ellipse(int hdc, int nLeftRect, int nTopRect, int nRightRect, int nBottomRect) {
WinDC dc = WinDC.get(hdc);
if (dc == null) return FALSE;
if (nLeftRect == nRightRect || nTopRect == nBottomRect) return TRUE;
WinPen pen = WinPen.get(dc.hPen);
WinBrush brush = WinBrush.get(dc.hBrush);
if (pen == null || brush == null) return FALSE;
Graphics2D graphics = dc.getGraphics();
Ellipse2D ellipse2D =
new Ellipse2D.Float(
dc.x + nLeftRect, dc.y + nTopRect, nRightRect - nLeftRect, nBottomRect - nTopRect);
// inside
if (brush.setPaint(graphics)) graphics.fill(ellipse2D);
// border
if (pen.setStroke(dc, graphics)) graphics.draw(ellipse2D);
graphics.dispose();
return TRUE;
}
// BOOL Rectangle(HDC hdc, int nLeftRect, int nTopRect, int nRightRect, int nBottomRect)
public static int Rectangle(
int hdc, int nLeftRect, int nTopRect, int nRightRect, int nBottomRect) {
WinDC dc = WinDC.get(hdc);
if (dc == null) return FALSE;
if (nLeftRect == nRightRect || nTopRect == nBottomRect) return TRUE;
WinPen pen = WinPen.get(dc.hPen);
WinBrush brush = WinBrush.get(dc.hBrush);
if (pen == null || brush == null) return FALSE;
int width = nRightRect - nLeftRect - 1;
int height = nBottomRect - nTopRect - 1;
Graphics2D graphics = dc.getGraphics();
Rectangle rectangle = new Rectangle(dc.x + nLeftRect, dc.y + nTopRect, width, height);
// inside
if (brush.setPaint(graphics)) graphics.fill(rectangle);
// border
if (pen.setStroke(dc, graphics)) graphics.draw(rectangle);
graphics.dispose();
if (dc.getImage() == StaticData.screen.getImage()) Main.drawImage(dc.getImage());
return TRUE;
}
