reactos/base/applications/mspaint/palette.c

   1 /*
   2  * PROJECT:     PAINT for ReactOS
   3  * LICENSE:     LGPL
   4  * FILE:        base/applications/paint/palette.c
   5  * PURPOSE:     Window procedure of the palette window
   6  * PROGRAMMERS: Benedikt Freisen
   7  */
   8
   9 /* INCLUDES *********************************************************/
  10
  11 #include "precomp.h"
  12
  13 /* FUNCTIONS ********************************************************/
  14
  15 LRESULT CALLBACK
  16 PalWinProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
  17 {
  18     switch (message)
  19     {
  20         case WM_PAINT:
  21         {
  22             RECT rc = { 0, 0, 31, 32 };
  23             HDC hDC = GetDC(hwnd);
  24             HPEN oldPen;
  25             HBRUSH oldBrush;
  26             int i, a, b;
  27
  28             DefWindowProc(hwnd, message, wParam, lParam);
  29
  30             for(b = 2; b < 30; b++)
  31                 for(a = 2; a < 29; a++)
  32                     if ((a + b) % 2 == 1)
  33                         SetPixel(hDC, a, b, GetSysColor(COLOR_BTNHILIGHT));
  34
  35             DrawEdge(hDC, &rc, EDGE_RAISED, BF_TOPLEFT);
  36             DrawEdge(hDC, &rc, BDR_SUNKENOUTER, BF_TOPLEFT | BF_BOTTOMRIGHT);
  37             SetRect(&rc, 11, 12, 26, 27);
  38             DrawEdge(hDC, &rc, BDR_RAISEDINNER, BF_RECT | BF_MIDDLE);
  39             oldPen = SelectObject(hDC, CreatePen(PS_NULL, 0, 0));
  40             oldBrush = SelectObject(hDC, CreateSolidBrush(bgColor));
  41             Rectangle(hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1);
  42             DeleteObject(SelectObject(hDC, oldBrush));
  43             SetRect(&rc, 4, 5, 19, 20);
  44             DrawEdge(hDC, &rc, BDR_RAISEDINNER, BF_RECT | BF_MIDDLE);
  45             oldBrush = SelectObject(hDC, CreateSolidBrush(fgColor));
  46             Rectangle(hDC, rc.left + 2, rc.top + 2, rc.right - 1, rc.bottom - 1);
  47             DeleteObject(SelectObject(hDC, oldBrush));
  48             DeleteObject(SelectObject(hDC, oldPen));
  49
  50             for(i = 0; i < 28; i++)
  51             {
  52                 SetRect(&rc, 31 + (i % 14) * 16,
  53                         0 + (i / 14) * 16, 16 + 31 + (i % 14) * 16, 16 + 0 + (i / 14) * 16);
  54                 DrawEdge(hDC, &rc, EDGE_RAISED, BF_TOPLEFT);
  55                 DrawEdge(hDC, &rc, BDR_SUNKENOUTER, BF_RECT);
  56                 oldPen = SelectObject(hDC, CreatePen(PS_NULL, 0, 0));
  57                 oldBrush = SelectObject(hDC, CreateSolidBrush(palColors[i]));
  58                 Rectangle(hDC, rc.left + 2, rc.top + 2, rc.right - 1, rc.bottom - 1);
  59                 DeleteObject(SelectObject(hDC, oldBrush));
  60                 DeleteObject(SelectObject(hDC, oldPen));
  61             }
  62             ReleaseDC(hwnd, hDC);
  63             break;
  64         }
  65         case WM_LBUTTONDOWN:
  66             if (LOWORD(lParam) >= 31)
  67             {
  68                 fgColor = palColors[(LOWORD(lParam) - 31) / 16 + (HIWORD(lParam) / 16) * 14];
  69                 SendMessage(hwnd, WM_PAINT, 0, 0);
  70             }
  71             break;
  72         case WM_RBUTTONDOWN:
  73             if (LOWORD(lParam) >= 31)
  74             {
  75                 bgColor = palColors[(LOWORD(lParam) - 31) / 16 + (HIWORD(lParam) / 16) * 14];
  76                 SendMessage(hwnd, WM_PAINT, 0, 0);
  77             }
  78             break;
  79         case WM_LBUTTONDBLCLK:
  80             if (LOWORD(lParam) >= 31)
  81                 if (ChooseColor(&choosecolor))
  82                 {
  83                     palColors[(LOWORD(lParam) - 31) / 16 + (HIWORD(lParam) / 16) * 14] =
  84                         choosecolor.rgbResult;
  85                     fgColor = choosecolor.rgbResult;
  86                     SendMessage(hwnd, WM_PAINT, 0, 0);
  87                 }
  88             break;
  89         case WM_RBUTTONDBLCLK:
  90             if (LOWORD(lParam) >= 31)
  91                 if (ChooseColor(&choosecolor))
  92                 {
  93                     palColors[(LOWORD(lParam) - 31) / 16 + (HIWORD(lParam) / 16) * 14] =
  94                         choosecolor.rgbResult;
  95                     bgColor = choosecolor.rgbResult;
  96                     SendMessage(hwnd, WM_PAINT, 0, 0);
  97                 }
  98             break;
  99
 100         default:
 101             return DefWindowProc(hwnd, message, wParam, lParam);
 102     }
 103
 104     return 0;
 105 }