void ImageModel::Crop(int nWidth, int nHeight, int nOffsetX, int nOffsetY)
{
HDC hdc;
HPEN oldPen;
HBRUSH oldBrush;
int oldWidth = GetWidth();
int oldHeight = GetHeight();
SelectObject(hDrawingDC, hBms[currInd]);
DeleteObject(hBms[(currInd + 1) % HISTORYSIZE]);
hBms[(currInd + 1) % HISTORYSIZE] = CreateDIBWithProperties(nWidth, nHeight);
currInd = (currInd + 1) % HISTORYSIZE;
if (undoSteps < HISTORYSIZE - 1)
undoSteps++;
redoSteps = 0;
hdc = CreateCompatibleDC(hDrawingDC);
SelectObject(hdc, hBms[currInd]);
oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_SOLID, 1, paletteModel.GetBgColor()));
oldBrush = (HBRUSH) SelectObject(hdc, CreateSolidBrush(paletteModel.GetBgColor()));
Rectangle(hdc, 0, 0, nWidth, nHeight);
BitBlt(hdc, -nOffsetX, -nOffsetY, GetWidth(), GetHeight(), hDrawingDC, 0, 0, SRCCOPY);
DeleteObject(SelectObject(hdc, oldBrush));
DeleteObject(SelectObject(hdc, oldPen));
DeleteDC(hdc);
SelectObject(hDrawingDC, hBms[currInd]);
if (GetWidth() != oldWidth || GetHeight() != oldHeight)
NotifyDimensionsChanged();
NotifyImageChanged();
}
void
cropReversible(int width, int height, int xOffset, int yOffset)
{
HDC hdc;
HPEN oldPen;
HBRUSH oldBrush;
SelectObject(hDrawingDC, hBms[currInd]);
DeleteObject(hBms[(currInd + 1) % HISTORYSIZE]);
hBms[(currInd + 1) % HISTORYSIZE] = CreateDIBWithProperties(width, height);
currInd = (currInd + 1) % HISTORYSIZE;
if (undoSteps < HISTORYSIZE - 1)
undoSteps++;
redoSteps = 0;
hdc = CreateCompatibleDC(hDrawingDC);
SelectObject(hdc, hBms[currInd]);
oldPen = SelectObject(hdc, CreatePen(PS_SOLID, 1, bgColor));
oldBrush = SelectObject(hdc, CreateSolidBrush(bgColor));
Rectangle(hdc, 0, 0, width, height);
BitBlt(hdc, -xOffset, -yOffset, imgXRes, imgYRes, hDrawingDC, 0, 0, SRCCOPY);
DeleteObject(SelectObject(hdc, oldBrush));
DeleteObject(SelectObject(hdc, oldPen));
DeleteDC(hdc);
SelectObject(hDrawingDC, hBms[currInd]);
setImgXYRes(width, height);
}
ImageModel::ImageModel()
{
currInd = 0;
undoSteps = 0;
redoSteps = 0;
imageSaved = TRUE;
// prepare a minimal usable bitmap
int imgXRes = 1;
int imgYRes = 1;
hDrawingDC = CreateCompatibleDC(NULL);
SelectObject(hDrawingDC, CreatePen(PS_SOLID, 0, paletteModel.GetFgColor()));
SelectObject(hDrawingDC, CreateSolidBrush(paletteModel.GetBgColor()));
hBms[0] = CreateDIBWithProperties(imgXRes, imgYRes);
SelectObject(hDrawingDC, hBms[0]);
Rectangle(hDrawingDC, 0 - 1, 0 - 1, imgXRes + 1, imgYRes + 1);
}
int WINAPI
_tWinMain (HINSTANCE hThisInstance, HINSTANCE hPrevInstance, LPTSTR lpszArgument, int nFunsterStil)
{
HWND hwnd; /* This is the handle for our window */
MSG messages; /* Here messages to the application are saved */
TCHAR progtitle[1000];
TCHAR resstr[100];
HMENU menu;
HWND hToolbar;
HIMAGELIST hImageList;
HANDLE haccel;
HBITMAP tempBm;
int i;
TCHAR tooltips[16][30];
HDC hDC;
TCHAR *c;
TCHAR sfnFilename[1000];
TCHAR sfnFiletitle[256];
TCHAR sfnFilter[1000];
TCHAR ofnFilename[1000];
TCHAR ofnFiletitle[256];
TCHAR ofnFilter[1000];
TCHAR miniaturetitle[100];
static int custColors[16] = { 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff,
0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff, 0xffffff
};
/* init font for text tool */
lfTextFont.lfHeight = 0;
lfTextFont.lfWidth = 0;
lfTextFont.lfEscapement = 0;
lfTextFont.lfOrientation = 0;
lfTextFont.lfWeight = FW_NORMAL;
lfTextFont.lfItalic = FALSE;
lfTextFont.lfUnderline = FALSE;
lfTextFont.lfStrikeOut = FALSE;
lfTextFont.lfCharSet = DEFAULT_CHARSET;
lfTextFont.lfOutPrecision = OUT_DEFAULT_PRECIS;
lfTextFont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
lfTextFont.lfQuality = DEFAULT_QUALITY;
lfTextFont.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
lstrcpy(lfTextFont.lfFaceName, _T(""));
hfontTextFont = CreateFontIndirect(&lfTextFont);
/* init palette */
selectedPalette = 1;
CopyMemory(palColors, modernPalColors, sizeof(palColors));
hProgInstance = hThisInstance;
/* initialize common controls library */
InitCommonControls();
/* register application defined window classes */
RegisterWclMain();
RegisterWclScrollbox();
RegisterWclPal();
RegisterWclSettings();
RegisterWclSelection();
RegisterWclSizebox();
RegisterWclTextEdit();
LoadString(hThisInstance, IDS_DEFAULTFILENAME, filename, SIZEOF(filename));
LoadString(hThisInstance, IDS_WINDOWTITLE, resstr, SIZEOF(resstr));
_stprintf(progtitle, resstr, filename);
LoadString(hThisInstance, IDS_MINIATURETITLE, miniaturetitle, SIZEOF(miniaturetitle));
/* create main window */
hwnd =
CreateWindowEx(0, _T("MainWindow"), progtitle, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 544,
375, HWND_DESKTOP, NULL, hThisInstance, NULL);
hMainWnd = hwnd;
hwndMiniature =
CreateWindowEx(WS_EX_PALETTEWINDOW, _T("MainWindow"), miniaturetitle,
WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME, 180, 200, 120, 100, hwnd,
NULL, hThisInstance, NULL);
/* loading and setting the window menu from resource */
menu = LoadMenu(hThisInstance, MAKEINTRESOURCE(ID_MENU));
SetMenu(hwnd, menu);
haccel = LoadAccelerators(hThisInstance, MAKEINTRESOURCE(800));
/* preloading the draw transparent/nontransparent icons for later use */
hNontranspIcon =
LoadImage(hThisInstance, MAKEINTRESOURCE(IDI_NONTRANSPARENT), IMAGE_ICON, 40, 30, LR_DEFAULTCOLOR);
hTranspIcon =
LoadImage(hThisInstance, MAKEINTRESOURCE(IDI_TRANSPARENT), IMAGE_ICON, 40, 30, LR_DEFAULTCOLOR);
hCurFill = LoadIcon(hThisInstance, MAKEINTRESOURCE(IDC_FILL));
hCurColor = LoadIcon(hThisInstance, MAKEINTRESOURCE(IDC_COLOR));
hCurZoom = LoadIcon(hThisInstance, MAKEINTRESOURCE(IDC_ZOOM));
hCurPen = LoadIcon(hThisInstance, MAKEINTRESOURCE(IDC_PEN));
hCurAirbrush = LoadIcon(hThisInstance, MAKEINTRESOURCE(IDC_AIRBRUSH));
CreateWindowEx(0, _T("STATIC"), _T(""), WS_CHILD | WS_VISIBLE | SS_ETCHEDHORZ, 0, 0, 5000, 2, hwnd, NULL,
hThisInstance, NULL);
hToolBoxContainer =
CreateWindowEx(0, _T("MainWindow"), _T(""), WS_CHILD | WS_VISIBLE, 2, 2, 52, 350, hwnd, NULL,
hThisInstance, NULL);
/* creating the 16 bitmap radio buttons and setting the bitmap */
/*
* FIXME: Unintentionally there is a line above the tool bar (hidden by y-offset).
* To prevent cropping of the buttons height has been increased from 200 to 205
*/
hToolbar =
CreateWindowEx(0, TOOLBARCLASSNAME, NULL,
WS_CHILD | WS_VISIBLE | CCS_NOPARENTALIGN | CCS_VERT | CCS_NORESIZE | TBSTYLE_TOOLTIPS,
1, -2, 50, 205, hToolBoxContainer, NULL, hThisInstance, NULL);
hImageList = ImageList_Create(16, 16, ILC_COLOR24 | ILC_MASK, 16, 0);
SendMessage(hToolbar, TB_SETIMAGELIST, 0, (LPARAM) hImageList);
tempBm = LoadImage(hThisInstance, MAKEINTRESOURCE(IDB_TOOLBARICONS), IMAGE_BITMAP, 256, 16, 0);
ImageList_AddMasked(hImageList, tempBm, 0xff00ff);
DeleteObject(tempBm);
SendMessage(hToolbar, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
for(i = 0; i < 16; i++)
{
TBBUTTON tbbutton;
int wrapnow = 0;
if (i % 2 == 1)
wrapnow = TBSTATE_WRAP;
LoadString(hThisInstance, IDS_TOOLTIP1 + i, tooltips[i], 30);
ZeroMemory(&tbbutton, sizeof(TBBUTTON));
tbbutton.iString = (INT_PTR) tooltips[i];
tbbutton.fsStyle = TBSTYLE_CHECKGROUP;
tbbutton.fsState = TBSTATE_ENABLED | wrapnow;
tbbutton.idCommand = ID_FREESEL + i;
tbbutton.iBitmap = i;
SendMessage(hToolbar, TB_ADDBUTTONS, 1, (LPARAM) &tbbutton);
}
SendMessage(hToolbar, TB_CHECKBUTTON, ID_PEN, MAKELONG(TRUE, 0));
SendMessage(hToolbar, TB_SETMAXTEXTROWS, 0, 0);
SendMessage(hToolbar, TB_SETBUTTONSIZE, 0, MAKELONG(25, 25));
/* creating the tool settings child window */
hToolSettings =
CreateWindowEx(0, _T("ToolSettings"), _T(""), WS_CHILD | WS_VISIBLE, 5, 208, 42, 140,
hToolBoxContainer, NULL, hThisInstance, NULL);
hTrackbarZoom =
CreateWindowEx(0, TRACKBAR_CLASS, _T(""), WS_CHILD | TBS_VERT | TBS_AUTOTICKS, 1, 1, 40, 64,
hToolSettings, NULL, hThisInstance, NULL);
SendMessage(hTrackbarZoom, TBM_SETRANGE, (WPARAM) TRUE, (LPARAM) MAKELONG(0, 6));
SendMessage(hTrackbarZoom, TBM_SETPOS, (WPARAM) TRUE, (LPARAM) 3);
/* creating the palette child window */
hPalWin =
CreateWindowEx(0, _T("Palette"), _T(""), WS_CHILD | WS_VISIBLE, 56, 9, 255, 32, hwnd, NULL,
hThisInstance, NULL);
/* creating the scroll box */
hScrollbox =
CreateWindowEx(WS_EX_CLIENTEDGE, _T("Scrollbox"), _T(""),
WS_CHILD | WS_GROUP | WS_HSCROLL | WS_VSCROLL | WS_VISIBLE, 56, 49, 472, 248, hwnd,
NULL, hThisInstance, NULL);
/* creating the status bar */
hStatusBar =
CreateWindowEx(0, STATUSCLASSNAME, _T(""), SBARS_SIZEGRIP | WS_CHILD | WS_VISIBLE, 0, 0, 0, 0, hwnd,
NULL, hThisInstance, NULL);
SendMessage(hStatusBar, SB_SETMINHEIGHT, 21, 0);
hScrlClient =
CreateWindowEx(0, _T("Scrollbox"), _T(""), WS_CHILD | WS_VISIBLE, 0, 0, 500, 500, hScrollbox, NULL,
hThisInstance, NULL);
/* create selection window (initially hidden) */
hSelection =
CreateWindowEx(WS_EX_TRANSPARENT, _T("Selection"), _T(""), WS_CHILD | BS_OWNERDRAW, 350, 0, 100, 100,
hScrlClient, NULL, hThisInstance, NULL);
/* creating the window inside the scroll box, on which the image in hDrawingDC's bitmap is drawn */
hImageArea =
CreateWindowEx(0, _T("MainWindow"), _T(""), WS_CHILD | WS_VISIBLE, 3, 3, imgXRes, imgYRes, hScrlClient,
NULL, hThisInstance, NULL);
hDC = GetDC(hImageArea);
hDrawingDC = CreateCompatibleDC(hDC);
hSelDC = CreateCompatibleDC(hDC);
ReleaseDC(hImageArea, hDC);
SelectObject(hDrawingDC, CreatePen(PS_SOLID, 0, fgColor));
SelectObject(hDrawingDC, CreateSolidBrush(bgColor));
hBms[0] = CreateDIBWithProperties(imgXRes, imgYRes);
SelectObject(hDrawingDC, hBms[0]);
Rectangle(hDrawingDC, 0 - 1, 0 - 1, imgXRes + 1, imgYRes + 1);
if (lpszArgument[0] != 0)
{
HBITMAP bmNew = NULL;
LoadDIBFromFile(&bmNew, lpszArgument, &fileTime, &fileSize, &fileHPPM, &fileVPPM);
if (bmNew != NULL)
{
TCHAR tempstr[1000];
TCHAR resstr[100];
TCHAR *temp;
insertReversible(bmNew);
GetFullPathName(lpszArgument, SIZEOF(filepathname), filepathname, &temp);
_tcscpy(filename, temp);
LoadString(hProgInstance, IDS_WINDOWTITLE, resstr, SIZEOF(resstr));
_stprintf(tempstr, resstr, filename);
SetWindowText(hMainWnd, tempstr);
clearHistory();
isAFile = TRUE;
}
else
{
exit(0);
}
}
/* initializing the CHOOSECOLOR structure for use with ChooseColor */
choosecolor.lStructSize = sizeof(CHOOSECOLOR);
choosecolor.hwndOwner = hwnd;
choosecolor.hInstance = NULL;
choosecolor.rgbResult = 0x00ffffff;
choosecolor.lpCustColors = (COLORREF*) &custColors;
choosecolor.Flags = 0;
choosecolor.lCustData = 0;
choosecolor.lpfnHook = NULL;
choosecolor.lpTemplateName = NULL;
/* initializing the OPENFILENAME structure for use with GetOpenFileName and GetSaveFileName */
CopyMemory(ofnFilename, filename, sizeof(filename));
LoadString(hThisInstance, IDS_OPENFILTER, ofnFilter, SIZEOF(ofnFilter));
for(c = ofnFilter; *c; c++)
if (*c == '\1')
*c = '\0';
ZeroMemory(&ofn, sizeof(OPENFILENAME));
ofn.lStructSize = sizeof(OPENFILENAME);
ofn.hwndOwner = hwnd;
ofn.hInstance = hThisInstance;
ofn.lpstrFilter = ofnFilter;
ofn.lpstrFile = ofnFilename;
ofn.nMaxFile = SIZEOF(ofnFilename);
ofn.lpstrFileTitle = ofnFiletitle;
ofn.nMaxFileTitle = SIZEOF(ofnFiletitle);
ofn.Flags = OFN_HIDEREADONLY;
CopyMemory(sfnFilename, filename, sizeof(filename));
LoadString(hThisInstance, IDS_SAVEFILTER, sfnFilter, SIZEOF(sfnFilter));
for(c = sfnFilter; *c; c++)
if (*c == '\1')
*c = '\0';
ZeroMemory(&sfn, sizeof(OPENFILENAME));
sfn.lStructSize = sizeof(OPENFILENAME);
sfn.hwndOwner = hwnd;
sfn.hInstance = hThisInstance;
sfn.lpstrFilter = sfnFilter;
sfn.lpstrFile = sfnFilename;
sfn.nMaxFile = SIZEOF(sfnFilename);
sfn.lpstrFileTitle = sfnFiletitle;
sfn.nMaxFileTitle = SIZEOF(sfnFiletitle);
sfn.Flags = OFN_OVERWRITEPROMPT | OFN_HIDEREADONLY;
/* creating the size boxes */
hSizeboxLeftTop =
CreateWindowEx(0, _T("Sizebox"), _T(""), WS_CHILD | WS_VISIBLE, 0, 0, 3, 3, hScrlClient, NULL,
hThisInstance, NULL);
hSizeboxCenterTop =
CreateWindowEx(0, _T("Sizebox"), _T(""), WS_CHILD | WS_VISIBLE, 0, 0, 3, 3, hScrlClient, NULL,
hThisInstance, NULL);
hSizeboxRightTop =
CreateWindowEx(0, _T("Sizebox"), _T(""), WS_CHILD | WS_VISIBLE, 0, 0, 3, 3, hScrlClient, NULL,
hThisInstance, NULL);
hSizeboxLeftCenter =
CreateWindowEx(0, _T("Sizebox"), _T(""), WS_CHILD | WS_VISIBLE, 0, 0, 3, 3, hScrlClient, NULL,
hThisInstance, NULL);
hSizeboxRightCenter =
CreateWindowEx(0, _T("Sizebox"), _T(""), WS_CHILD | WS_VISIBLE, 0, 0, 3, 3, hScrlClient, NULL,
hThisInstance, NULL);
hSizeboxLeftBottom =
CreateWindowEx(0, _T("Sizebox"), _T(""), WS_CHILD | WS_VISIBLE, 0, 0, 3, 3, hScrlClient, NULL,
hThisInstance, NULL);
hSizeboxCenterBottom =
CreateWindowEx(0, _T("Sizebox"), _T(""), WS_CHILD | WS_VISIBLE, 0, 0, 3, 3, hScrlClient, NULL,
hThisInstance, NULL);
hSizeboxRightBottom =
CreateWindowEx(0, _T("Sizebox"), _T(""), WS_CHILD | WS_VISIBLE, 0, 0, 3, 3, hScrlClient, NULL,
hThisInstance, NULL);
/* placing the size boxes around the image */
SendMessage(hImageArea, WM_SIZE, 0, 0);
/* by moving the window, the things in WM_SIZE are done */
MoveWindow(hwnd, 100, 100, 600, 450, TRUE);
/* creating the text editor window for the text tool */
hwndTextEdit =
CreateWindowEx(0, _T("TextEdit"), _T(""), WS_OVERLAPPEDWINDOW, 300, 0, 300,
200, hwnd, NULL, hThisInstance, NULL);
/* creating the edit control within the editor window */
hwndEditCtl =
CreateWindowEx(WS_EX_CLIENTEDGE, _T("EDIT"), _T(""),
WS_CHILD | WS_VISIBLE | WS_BORDER | WS_HSCROLL | WS_VSCROLL | ES_MULTILINE | ES_NOHIDESEL | ES_AUTOHSCROLL | ES_AUTOVSCROLL,
0, 0, 100, 100, hwndTextEdit, NULL, hThisInstance, NULL);
/* Make the window visible on the screen */
ShowWindow (hwnd, nFunsterStil);
/* inform the system, that the main window accepts dropped files */
DragAcceptFiles(hwnd, TRUE);
/* Run the message loop. It will run until GetMessage() returns 0 */
while (GetMessage(&messages, NULL, 0, 0))
{
TranslateAccelerator(hwnd, haccel, &messages);
/* Translate virtual-key messages into character messages */
TranslateMessage(&messages);
/* Send message to WindowProcedure */
DispatchMessage(&messages);
}
/* The program return-value is 0 - The value that PostQuitMessage() gave */
return messages.wParam;
}
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;
}
