base/applications/mspaint/common.h

   1 /*
   2  * PROJECT:     PAINT for ReactOS
   3  * LICENSE:     LGPL
   4  * FILE:        base/applications/mspaint/common.h
   5  * PURPOSE:     Commonly used functions and definitions
   6  * PROGRAMMERS: Benedikt Freisen
   7  *              Stanislav Motylkov
   8  *              Katayama Hirofumi MZ
   9  */
  10
  11 #pragma once
  12
  13 #define GRIP_SIZE   3
  14 #define MIN_ZOOM    125
  15 #define MAX_ZOOM    8000
  16
  17 #define MAX_LONG_PATH 512
  18
  19 #define WM_TOOLSMODELTOOLCHANGED         (WM_APP + 0)
  20 #define WM_TOOLSMODELSETTINGSCHANGED     (WM_APP + 1)
  21 #define WM_TOOLSMODELZOOMCHANGED         (WM_APP + 2)
  22 #define WM_PALETTEMODELCOLORCHANGED      (WM_APP + 3)
  23 #define WM_PALETTEMODELPALETTECHANGED    (WM_APP + 4)
  24 #define WM_IMAGEMODELDIMENSIONSCHANGED   (WM_APP + 5)
  25 #define WM_IMAGEMODELIMAGECHANGED        (WM_APP + 6)
  26 #define WM_SELECTIONMODELREFRESHNEEDED   (WM_APP + 7)
  27
  28 /* width of the rectangle defined by a RECT structure */
  29 #define RECT_WIDTH(a)  ((a).right - (a).left)
  30
  31 /* height of the rectangle defined by a RECT structure */
  32 #define RECT_HEIGHT(a)  ((a).bottom - (a).top)
  33
  34 /* this simplifies checking and unchecking menu items */
  35 #define CHECKED_IF(a) ((a) ? (MF_CHECKED | MF_BYCOMMAND) : (MF_UNCHECKED | MF_BYCOMMAND))
  36
  37 /* this simplifies enabling or graying menu items */
  38 #define ENABLED_IF(a) ((a) ? (MF_ENABLED | MF_BYCOMMAND) : (MF_GRAYED | MF_BYCOMMAND))
  39
  40 enum CANVAS_HITTEST // hit
  41 {
  42     HIT_NONE = 0, // Nothing hit or outside
  43     HIT_UPPER_LEFT,
  44     HIT_UPPER_CENTER,
  45     HIT_UPPER_RIGHT,
  46     HIT_MIDDLE_LEFT,
  47     HIT_MIDDLE_RIGHT,
  48     HIT_LOWER_LEFT,
  49     HIT_LOWER_CENTER,
  50     HIT_LOWER_RIGHT,
  51     HIT_BORDER,
  52     HIT_INNER,
  53 };
  54
  55 /* FUNCTIONS ********************************************************/
  56
  57 BOOL zoomTo(int newZoom, int mouseX, int mouseY);
  58 BOOL nearlyEqualPoints(INT x0, INT y0, INT x1, INT y1);
  59 void updateStartAndLast(LONG x, LONG y);
  60 void updateLast(LONG x, LONG y);