reactos/base/applications/mspaint/common.h
Katayama Hirofumi MZ e8c7e30030
[MSPAINT] Establish Undo/Redo management (#5347)
- Painting the canvas is done by overlaying the multiple layers.
- Drawing each overlay is implemented as polymorphism of OOP.
- Refine the Undo/Redo mechanism.
- Some adjustments.
CORE-17969
2023-06-17 21:15:35 +09:00

51 lines
1.4 KiB
C

/*
* PROJECT: PAINT for ReactOS
* LICENSE: LGPL
* FILE: base/applications/mspaint/common.h
* PURPOSE: Commonly used functions and definitions
* PROGRAMMERS: Benedikt Freisen
* Stanislav Motylkov
* Katayama Hirofumi MZ
*/
#pragma once
#define GRIP_SIZE 3
#define MIN_ZOOM 125
#define MAX_ZOOM 8000
#define MAX_LONG_PATH 512
#define WM_TOOLSMODELTOOLCHANGED (WM_APP + 0)
#define WM_TOOLSMODELSETTINGSCHANGED (WM_APP + 1)
#define WM_TOOLSMODELZOOMCHANGED (WM_APP + 2)
#define WM_PALETTEMODELCOLORCHANGED (WM_APP + 3)
/* this simplifies checking and unchecking menu items */
#define CHECKED_IF(a) ((a) ? (MF_CHECKED | MF_BYCOMMAND) : (MF_UNCHECKED | MF_BYCOMMAND))
/* this simplifies enabling or graying menu items */
#define ENABLED_IF(a) ((a) ? (MF_ENABLED | MF_BYCOMMAND) : (MF_GRAYED | MF_BYCOMMAND))
enum CANVAS_HITTEST // hit
{
HIT_NONE = 0, // Nothing hit or outside
HIT_UPPER_LEFT,
HIT_UPPER_CENTER,
HIT_UPPER_RIGHT,
HIT_MIDDLE_LEFT,
HIT_MIDDLE_RIGHT,
HIT_LOWER_LEFT,
HIT_LOWER_CENTER,
HIT_LOWER_RIGHT,
HIT_BORDER,
HIT_INNER,
};
/* FUNCTIONS ********************************************************/
BOOL zoomTo(int newZoom, int mouseX, int mouseY);
BOOL nearlyEqualPoints(INT x0, INT y0, INT x1, INT y1);
void updateStartAndLast(LONG x, LONG y);
void updateLast(LONG x, LONG y);