reactos/base/applications/paint/palette.c

   1 /*
   2  * PROJECT:     PAINT for ReactOS
   3  * LICENSE:     LGPL
   4  * FILE:        palette.c
   5  * PURPOSE:     Window procedure of the palette window
   6  * PROGRAMMERS: Benedikt Freisen
   7  */
   8
   9 /* INCLUDES *********************************************************/
  10
  11 #include <windows.h>
  12 #include "globalvar.h"
  13
  14 /* FUNCTIONS ********************************************************/
  15
  16 LRESULT CALLBACK 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,
  54                                  16 + 31 + (i % 14) * 16,
  55                                 16 + 0 + (i / 14) * 16);
  56                     DrawEdge(hDC, &rc, EDGE_RAISED, BF_TOPLEFT);
  57                     DrawEdge(hDC, &rc, BDR_SUNKENOUTER, BF_RECT);
  58                     oldPen = SelectObject(hDC, CreatePen(PS_NULL, 0, 0));
  59                     oldBrush = SelectObject(hDC, CreateSolidBrush(palColors[i]));
  60                     Rectangle(hDC, rc.left + 2,rc.top + 2,rc.right - 1, rc.bottom - 1);
  61                     DeleteObject(SelectObject(hDC, oldBrush));
  62                     DeleteObject(SelectObject(hDC, oldPen));
  63                 }
  64                 ReleaseDC(hwnd, hDC);
  65             }
  66             break;
  67         case WM_LBUTTONDOWN:
  68             if (LOWORD(lParam)>=31)
  69             {
  70                 fgColor = palColors[(LOWORD(lParam)-31)/16+(HIWORD(lParam)/16)*14];
  71                 SendMessage(hwnd, WM_PAINT, 0, 0);
  72             }
  73             break;
  74         case WM_RBUTTONDOWN:
  75             if (LOWORD(lParam)>=31)
  76             {
  77                 bgColor = palColors[(LOWORD(lParam)-31)/16+(HIWORD(lParam)/16)*14];
  78                 SendMessage(hwnd, WM_PAINT, 0, 0);
  79             }
  80             break;
  81         case WM_LBUTTONDBLCLK:
  82             if (LOWORD(lParam)>=31) if (ChooseColor(&choosecolor))
  83             {
  84                 palColors[(LOWORD(lParam)-31)/16+(HIWORD(lParam)/16)*14] = 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) if (ChooseColor(&choosecolor))
  91             {
  92                 palColors[(LOWORD(lParam)-31)/16+(HIWORD(lParam)/16)*14] = choosecolor.rgbResult;
  93                 bgColor = choosecolor.rgbResult;
  94                 SendMessage(hwnd, WM_PAINT, 0, 0);
  95             }
  96             break;
  97
  98         default:
  99             return DefWindowProc (hwnd, message, wParam, lParam);
 100     }
 101
 102     return 0;
 103 }
 104