163 lines
4.3 KiB
C
163 lines
4.3 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* Magnification-win32.h
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* Copyright (C) 2018 Gil Eliyahu
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <winapifamily.h>
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#pragma region Desktop Family
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#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
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#ifndef __wincodec_h__
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#include <wincodec.h>
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#endif
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#define WC_MAGNIFIERA "Magnifier"
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#define WC_MAGNIFIERW L"Magnifier"
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#ifdef UNICODE
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#define WC_MAGNIFIER WC_MAGNIFIERW
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#else
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#define WC_MAGNIFIER WC_MAGNIFIERA
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#endif
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#else
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#define WC_MAGNIFIER "Magnifier"
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#endif
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/* Magnifier Window Styles */
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#define MS_SHOWMAGNIFIEDCURSOR 0x0001L
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#define MS_CLIPAROUNDCURSOR 0x0002L
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#define MS_INVERTCOLORS 0x0004L
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/* Filter Modes */
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#define MW_FILTERMODE_EXCLUDE 0
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#define MW_FILTERMODE_INCLUDE 1
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/* Structures */
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typedef struct tagMAGTRANSFORM
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{
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float v[3][3];
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} MAGTRANSFORM, *PMAGTRANSFORM;
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typedef struct tagMAGIMAGEHEADER
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{
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UINT width;
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UINT height;
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WICPixelFormatGUID format;
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UINT stride;
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UINT offset;
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SIZE_T cbSize;
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} MAGIMAGEHEADER, *PMAGIMAGEHEADER;
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typedef struct tagMAGCOLOREFFECT
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{
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float transform[5][5];
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} MAGCOLOREFFECT, *PMAGCOLOREFFECT;
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/* Proptypes for the public functions */
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typedef BOOL (WINAPI* MAGINITIALIZE) ();
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MAGINITIALIZE MagInitialize;
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typedef BOOL (WINAPI* MAGUNINITIALIZE) ();
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MAGUNINITIALIZE MagUninitialize;
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typedef BOOL (WINAPI* MAGSETWINDOWSOURCE) (HWND, RECT);
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MAGSETWINDOWSOURCE MagSetWindowSource;
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typedef BOOL (WINAPI* MAGSETWINDOWFILTERLIST) (HWND, DWORD, int, HWND*);
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MAGSETWINDOWFILTERLIST MagSetWindowFilterList;
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typedef BOOL (CALLBACK* MagImageScalingCallback) (HWND hwnd, void * srcdata, MAGIMAGEHEADER srcheader, void * destdata, MAGIMAGEHEADER destheader, RECT unclipped, RECT clipped, HRGN dirty);
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typedef BOOL (WINAPI* MAGSETIMAGESCALINGCALLBACK) (HWND, MagImageScalingCallback);
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MAGSETIMAGESCALINGCALLBACK MagSetImageScalingCallback;
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/* Library DLL */
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static HINSTANCE magnificationLibrary;
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void UnLoadMagnificationLibrary (void);
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BOOL LoadMagnificationLibrary (void);
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void
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UnLoadMagnificationLibrary (void)
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{
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if (!magnificationLibrary)
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return;
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FreeLibrary (magnificationLibrary);
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}
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BOOL
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LoadMagnificationLibrary (void)
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{
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if (magnificationLibrary)
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return TRUE;
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magnificationLibrary = LoadLibraryW (L"Magnification");
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if (!magnificationLibrary)
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return FALSE;
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MagInitialize = (MAGINITIALIZE) GetProcAddress (magnificationLibrary, "MagInitialize");
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if (!MagInitialize)
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{
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UnLoadMagnificationLibrary ();
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return FALSE;
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}
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MagUninitialize = (MAGUNINITIALIZE) GetProcAddress (magnificationLibrary, "MagUninitialize");
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if (!MagUninitialize)
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{
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UnLoadMagnificationLibrary ();
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return FALSE;
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}
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MagSetWindowSource = (MAGSETWINDOWSOURCE) GetProcAddress (magnificationLibrary, "MagSetWindowSource");
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if (!MagSetWindowSource)
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{
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UnLoadMagnificationLibrary ();
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return FALSE;
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}
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MagSetWindowFilterList = (MAGSETWINDOWFILTERLIST) GetProcAddress (magnificationLibrary, "MagSetWindowFilterList");
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if (!MagSetWindowFilterList)
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{
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UnLoadMagnificationLibrary ();
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return FALSE;
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}
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MagSetImageScalingCallback = (MAGSETIMAGESCALINGCALLBACK) GetProcAddress (magnificationLibrary, "MagSetImageScalingCallback");
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if (!MagSetImageScalingCallback)
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{
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UnLoadMagnificationLibrary ();
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return FALSE;
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}
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return TRUE;
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}
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