void CMainWindow::InsertSelectionFromHBITMAP(HBITMAP bitmap, HWND window)
{
int width = GetDIBWidth(bitmap);
int height = GetDIBHeight(bitmap);
int curWidth = imageModel.GetWidth();
int curHeight = imageModel.GetHeight();
if (width > curWidth || height > curHeight)
{
BOOL shouldEnlarge = TRUE;
if (askBeforeEnlarging)
{
TCHAR programname[20];
TCHAR shouldEnlargePromptText[100];
LoadString(hProgInstance, IDS_PROGRAMNAME, programname, SIZEOF(programname));
LoadString(hProgInstance, IDS_ENLARGEPROMPTTEXT, shouldEnlargePromptText, SIZEOF(shouldEnlargePromptText));
switch (MessageBox(shouldEnlargePromptText, programname, MB_YESNOCANCEL | MB_ICONQUESTION))
{
case IDYES:
break;
case IDNO:
shouldEnlarge = FALSE;
break;
case IDCANCEL:
return;
}
}
if (shouldEnlarge)
{
if (width > curWidth)
curWidth = width;
if (height > curHeight)
curHeight = height;
imageModel.Crop(curWidth, curHeight, 0, 0);
}
}
HWND hToolbar = FindWindowEx(toolBoxContainer.m_hWnd, NULL, TOOLBARCLASSNAME, NULL);
SendMessage(hToolbar, TB_CHECKBUTTON, ID_RECTSEL, MAKELPARAM(TRUE, 0));
toolBoxContainer.SendMessage(WM_COMMAND, ID_RECTSEL);
imageModel.CopyPrevious();
selectionModel.InsertFromHBITMAP(bitmap);
placeSelWin();
selectionWindow.ShowWindow(SW_SHOW);
ForceRefreshSelectionContents();
}
void
endPaintingL(HDC hdc, LONG x, LONG y, COLORREF fg, COLORREF bg)
{
switch (activeTool)
{
case TOOL_FREESEL:
{
POINT *ptStackCopy;
int i;
rectSel_src[0] = rectSel_src[1] = 0x7fffffff;
rectSel_src[2] = rectSel_src[3] = 0;
for (i = 0; i <= ptSP; i++)
{
if (ptStack[i].x < rectSel_src[0])
rectSel_src[0] = ptStack[i].x;
if (ptStack[i].y < rectSel_src[1])
rectSel_src[1] = ptStack[i].y;
if (ptStack[i].x > rectSel_src[2])
rectSel_src[2] = ptStack[i].x;
if (ptStack[i].y > rectSel_src[3])
rectSel_src[3] = ptStack[i].y;
}
rectSel_src[2] += 1 - rectSel_src[0];
rectSel_src[3] += 1 - rectSel_src[1];
rectSel_dest[0] = rectSel_src[0];
rectSel_dest[1] = rectSel_src[1];
rectSel_dest[2] = rectSel_src[2];
rectSel_dest[3] = rectSel_src[3];
if (ptSP != 0)
{
DeleteObject(hSelMask);
hSelMask = CreateBitmap(rectSel_src[2], rectSel_src[3], 1, 1, NULL);
DeleteObject(SelectObject(hSelDC, hSelMask));
ptStackCopy = HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS, sizeof(POINT) * (ptSP + 1));
for (i = 0; i <= ptSP; i++)
{
ptStackCopy[i].x = ptStack[i].x - rectSel_src[0];
ptStackCopy[i].y = ptStack[i].y - rectSel_src[1];
}
Poly(hSelDC, ptStackCopy, ptSP + 1, 0x00ffffff, 0x00ffffff, 1, 2, TRUE);
HeapFree(GetProcessHeap(), 0, ptStackCopy);
SelectObject(hSelDC, hSelBm = CreateDIBWithProperties(rectSel_src[2], rectSel_src[3]));
resetToU1();
MaskBlt(hSelDC, 0, 0, rectSel_src[2], rectSel_src[3], hDrawingDC, rectSel_src[0],
rectSel_src[1], hSelMask, 0, 0, MAKEROP4(SRCCOPY, WHITENESS));
Poly(hdc, ptStack, ptSP + 1, bg, bg, 1, 2, TRUE);
newReversible();
MaskBlt(hDrawingDC, rectSel_src[0], rectSel_src[1], rectSel_src[2], rectSel_src[3], hSelDC, 0,
0, hSelMask, 0, 0, MAKEROP4(SRCCOPY, SRCAND));
placeSelWin();
ShowWindow(hSelection, SW_SHOW);
/* force refresh of selection contents */
SendMessage(hSelection, WM_LBUTTONDOWN, 0, 0);
SendMessage(hSelection, WM_MOUSEMOVE, 0, 0);
SendMessage(hSelection, WM_LBUTTONUP, 0, 0);
}
HeapFree(GetProcessHeap(), 0, ptStack);
ptStack = NULL;
break;
}
case TOOL_RECTSEL:
resetToU1();
if ((rectSel_src[2] != 0) && (rectSel_src[3] != 0))
{
DeleteObject(hSelMask);
hSelMask = CreateBitmap(rectSel_src[2], rectSel_src[3], 1, 1, NULL);
DeleteObject(SelectObject(hSelDC, hSelMask));
Rect(hSelDC, 0, 0, rectSel_src[2], rectSel_src[3], 0x00ffffff, 0x00ffffff, 1, 2);
SelectObject(hSelDC, hSelBm = CreateDIBWithProperties(rectSel_src[2], rectSel_src[3]));
resetToU1();
BitBlt(hSelDC, 0, 0, rectSel_src[2], rectSel_src[3], hDrawingDC, rectSel_src[0],
rectSel_src[1], SRCCOPY);
Rect(hdc, rectSel_src[0], rectSel_src[1], rectSel_src[0] + rectSel_src[2],
rectSel_src[1] + rectSel_src[3], bgColor, bgColor, 0, TRUE);
newReversible();
BitBlt(hDrawingDC, rectSel_src[0], rectSel_src[1], rectSel_src[2], rectSel_src[3], hSelDC, 0,
0, SRCCOPY);
placeSelWin();
ShowWindow(hSelection, SW_SHOW);
/* force refresh of selection contents */
SendMessage(hSelection, WM_LBUTTONDOWN, 0, 0);
SendMessage(hSelection, WM_MOUSEMOVE, 0, 0);
SendMessage(hSelection, WM_LBUTTONUP, 0, 0);
}
break;
case TOOL_RUBBER:
Erase(hdc, last.x, last.y, x, y, bg, rubberRadius);
break;
case TOOL_PEN:
Line(hdc, last.x, last.y, x, y, fg, 1);
SetPixel(hdc, x, y, fg);
break;
case TOOL_LINE:
resetToU1();
if (GetAsyncKeyState(VK_SHIFT) < 0)
roundTo8Directions(start.x, start.y, &x, &y);
Line(hdc, start.x, start.y, x, y, fg, lineWidth);
break;
case TOOL_BEZIER:
pointSP++;
if (pointSP == 4)
pointSP = 0;
break;
case TOOL_RECT:
resetToU1();
if (GetAsyncKeyState(VK_SHIFT) < 0)
regularize(start.x, start.y, &x, &y);
Rect(hdc, start.x, start.y, x, y, fg, bg, lineWidth, shapeStyle);
break;
case TOOL_SHAPE:
resetToU1();
pointStack[pointSP].x = x;
pointStack[pointSP].y = y;
if ((pointSP > 0) && (GetAsyncKeyState(VK_SHIFT) < 0))
roundTo8Directions(pointStack[pointSP - 1].x, pointStack[pointSP - 1].y,
&pointStack[pointSP].x, &pointStack[pointSP].y);
pointSP++;
if (pointSP >= 2)
{
if ((pointStack[0].x - x) * (pointStack[0].x - x) +
(pointStack[0].y - y) * (pointStack[0].y - y) <= lineWidth * lineWidth + 1)
{
Poly(hdc, pointStack, pointSP, fg, bg, lineWidth, shapeStyle, TRUE);
pointSP = 0;
}
else
{
Poly(hdc, pointStack, pointSP, fg, bg, lineWidth, shapeStyle, FALSE);
}
}
if (pointSP == 255)
pointSP--;
break;
case TOOL_ELLIPSE:
resetToU1();
if (GetAsyncKeyState(VK_SHIFT) < 0)
regularize(start.x, start.y, &x, &y);
Ellp(hdc, start.x, start.y, x, y, fg, bg, lineWidth, shapeStyle);
break;
case TOOL_RRECT:
resetToU1();
if (GetAsyncKeyState(VK_SHIFT) < 0)
regularize(start.x, start.y, &x, &y);
RRect(hdc, start.x, start.y, x, y, fg, bg, lineWidth, shapeStyle);
break;
}
}
LRESULT CALLBACK
SelectionWinProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_PAINT:
{
if (!moving)
{
HDC hDC = GetDC(hwnd);
DefWindowProc(hwnd, message, wParam, lParam);
SelectionFrame(hDC, 1, 1, rectSel_dest[2] * zoom / 1000 + 5,
rectSel_dest[3] * zoom / 1000 + 5);
ReleaseDC(hwnd, hDC);
}
break;
}
case WM_LBUTTONDOWN:
xPos = LOWORD(lParam);
yPos = HIWORD(lParam);
SetCapture(hwnd);
if (action != 0)
SetCursor(LoadCursor(NULL, cursors[action]));
moving = TRUE;
break;
case WM_MOUSEMOVE:
if (moving)
{
TCHAR sizeStr[100];
int xDelta;
int yDelta;
resetToU1();
xFrac += (short)LOWORD(lParam) - xPos;
yFrac += (short)HIWORD(lParam) - yPos;
if (zoom < 1000)
{
xDelta = xFrac * 1000 / zoom;
xFrac = 0;
yDelta = yFrac * 1000 / zoom;
yFrac = 0;
}
else
{
xDelta = xFrac * 1000 / zoom;
xFrac -= (xFrac * 1000 / zoom) * zoom / 1000;
yDelta = yFrac * 1000 / zoom;
yFrac -= (yFrac * 1000 / zoom) * zoom / 1000;
}
switch (action)
{
case 0:
rectSel_dest[0] += xDelta;
rectSel_dest[1] += yDelta;
break;
case 1:
rectSel_dest[0] += xDelta;
rectSel_dest[1] += yDelta;
rectSel_dest[2] -= xDelta;
rectSel_dest[3] -= yDelta;
break;
case 2:
rectSel_dest[1] += yDelta;
rectSel_dest[3] -= yDelta;
break;
case 3:
rectSel_dest[2] += xDelta;
rectSel_dest[1] += yDelta;
break;
case 4:
rectSel_dest[0] += xDelta;
rectSel_dest[2] -= xDelta;
break;
case 5:
rectSel_dest[2] += xDelta;
break;
case 6:
rectSel_dest[0] += xDelta;
rectSel_dest[2] -= xDelta;
rectSel_dest[3] += yDelta;
break;
case 7:
rectSel_dest[3] += yDelta;
break;
case 8:
rectSel_dest[2] += xDelta;
rectSel_dest[3] += yDelta;
break;
}
_stprintf(sizeStr, _T("%d x %d"), rectSel_dest[2], rectSel_dest[3]);
SendMessage(hStatusBar, SB_SETTEXT, 2, (LPARAM) sizeStr);
if (action != 0)
StretchBlt(hDrawingDC, rectSel_dest[0], rectSel_dest[1], rectSel_dest[2], rectSel_dest[3], hSelDC, 0, 0, GetDIBWidth(hSelBm), GetDIBHeight(hSelBm), SRCCOPY);
else
if (transpBg == 0)
MaskBlt(hDrawingDC, rectSel_dest[0], rectSel_dest[1], rectSel_dest[2], rectSel_dest[3],
hSelDC, 0, 0, hSelMask, 0, 0, MAKEROP4(SRCCOPY, SRCAND));
else
{
HBITMAP tempMask;
HBRUSH oldBrush;
HDC tempDC;
tempMask = CreateBitmap(rectSel_dest[2], rectSel_dest[3], 1, 1, NULL);
oldBrush = SelectObject(hSelDC, CreateSolidBrush(bgColor));
tempDC = CreateCompatibleDC(hSelDC);
SelectObject(tempDC, tempMask);
MaskBlt(tempDC, 0, 0, rectSel_dest[2], rectSel_dest[3], hSelDC, 0, 0, hSelMask, 0, 0,
MAKEROP4(NOTSRCCOPY, BLACKNESS));
DeleteDC(tempDC);
DeleteObject(SelectObject(hSelDC, oldBrush));
MaskBlt(hDrawingDC, rectSel_dest[0], rectSel_dest[1], rectSel_dest[2], rectSel_dest[3],
hSelDC, 0, 0, tempMask, 0, 0, MAKEROP4(SRCCOPY, SRCAND));
DeleteObject(tempMask);
}
SendMessage(hImageArea, WM_PAINT, 0, 0);
xPos = LOWORD(lParam);
yPos = HIWORD(lParam);
//SendMessage(hwnd, WM_PAINT, 0, 0);
}
else
{
int w = rectSel_dest[2] * zoom / 1000 + 6;
int h = rectSel_dest[3] * zoom / 1000 + 6;
xPos = LOWORD(lParam);
yPos = HIWORD(lParam);
SendMessage(hStatusBar, SB_SETTEXT, 2, (LPARAM) NULL);
action = identifyCorner(xPos, yPos, w, h);
if (action != 0)
SetCursor(LoadCursor(NULL, cursors[action]));
}
break;
case WM_LBUTTONUP:
if (moving)
{
moving = FALSE;
ReleaseCapture();
if (action != 0)
{
HDC hTempDC;
HBITMAP hTempBm;
hTempDC = CreateCompatibleDC(hSelDC);
hTempBm = CreateDIBWithProperties(rectSel_dest[2], rectSel_dest[3]);
SelectObject(hTempDC, hTempBm);
SelectObject(hSelDC, hSelBm);
StretchBlt(hTempDC, 0, 0, rectSel_dest[2], rectSel_dest[3], hSelDC, 0, 0,
GetDIBWidth(hSelBm), GetDIBHeight(hSelBm), SRCCOPY);
DeleteObject(hSelBm);
hSelBm = hTempBm;
hTempBm = CreateBitmap(rectSel_dest[2], rectSel_dest[3], 1, 1, NULL);
SelectObject(hTempDC, hTempBm);
SelectObject(hSelDC, hSelMask);
StretchBlt(hTempDC, 0, 0, rectSel_dest[2], rectSel_dest[3], hSelDC, 0, 0,
GetDIBWidth(hSelMask), GetDIBHeight(hSelMask), SRCCOPY);
DeleteObject(hSelMask);
hSelMask = hTempBm;
SelectObject(hSelDC, hSelBm);
DeleteDC(hTempDC);
}
placeSelWin();
ShowWindow(hSelection, SW_HIDE);
ShowWindow(hSelection, SW_SHOW);
}
break;
default:
return DefWindowProc(hwnd, message, wParam, lParam);
}
return 0;
}
