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e8c7e30030
- 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
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/*
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* PROJECT: PAINT for ReactOS
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* LICENSE: LGPL
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* FILE: base/applications/mspaint/common.h
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* PURPOSE: Commonly used functions and definitions
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* PROGRAMMERS: Benedikt Freisen
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* Stanislav Motylkov
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* Katayama Hirofumi MZ
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*/
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#pragma once
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#define GRIP_SIZE 3
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#define MIN_ZOOM 125
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#define MAX_ZOOM 8000
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#define MAX_LONG_PATH 512
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#define WM_TOOLSMODELTOOLCHANGED (WM_APP + 0)
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#define WM_TOOLSMODELSETTINGSCHANGED (WM_APP + 1)
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#define WM_TOOLSMODELZOOMCHANGED (WM_APP + 2)
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#define WM_PALETTEMODELCOLORCHANGED (WM_APP + 3)
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/* this simplifies checking and unchecking menu items */
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#define CHECKED_IF(a) ((a) ? (MF_CHECKED | MF_BYCOMMAND) : (MF_UNCHECKED | MF_BYCOMMAND))
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/* this simplifies enabling or graying menu items */
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#define ENABLED_IF(a) ((a) ? (MF_ENABLED | MF_BYCOMMAND) : (MF_GRAYED | MF_BYCOMMAND))
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enum CANVAS_HITTEST // hit
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{
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HIT_NONE = 0, // Nothing hit or outside
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HIT_UPPER_LEFT,
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HIT_UPPER_CENTER,
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HIT_UPPER_RIGHT,
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HIT_MIDDLE_LEFT,
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HIT_MIDDLE_RIGHT,
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HIT_LOWER_LEFT,
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HIT_LOWER_CENTER,
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HIT_LOWER_RIGHT,
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HIT_BORDER,
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HIT_INNER,
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};
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/* FUNCTIONS ********************************************************/
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BOOL zoomTo(int newZoom, int mouseX, int mouseY);
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BOOL nearlyEqualPoints(INT x0, INT y0, INT x1, INT y1);
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void updateStartAndLast(LONG x, LONG y);
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void updateLast(LONG x, LONG y);
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