home *** CD-ROM | disk | FTP | other *** search
- // VirtualDub - Video processing and capture application
- // Copyright (C) 1998-2001 Avery Lee
- //
- // This program is free software; you can redistribute it and/or modify
- // it under the terms of the GNU General Public License as published by
- // the Free Software Foundation; either version 2 of the License, or
- // (at your option) any later version.
- //
- // This program is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU General Public License for more details.
- //
- // You should have received a copy of the GNU General Public License
- // along with this program; if not, write to the Free Software
- // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- #include <stdio.h>
- #include <crtdbg.h>
-
- #include <windows.h>
- #include <commctrl.h>
-
- #include "ScriptInterpreter.h"
- #include "ScriptValue.h"
- #include "ScriptError.h"
-
- #include "resource.h"
- #include "filter.h"
-
- extern HINSTANCE g_hInst;
-
- enum {
- MODE_LEFT90 = 0,
- MODE_RIGHT90 = 1,
- MODE_180 = 2
- };
-
- static const char *const g_szMode[]={
- "left 90\xb0",
- "right 90\xb0",
- "180\xb0",
- };
-
- typedef struct MyFilterData {
- int mode;
- } MyFilterData;
-
- ///////////////////////////////////////////////////////////////////////////
-
- static int rotate_run(const FilterActivation *fa, const FilterFunctions *ff) {
- MyFilterData *mfd = (MyFilterData *)fa->filter_data;
- Pixel32 *src, *dst, *dst0;
- PixDim w0 = fa->src.w, w;
- PixDim h = fa->src.h;
- PixOffset dpitch = fa->dst.pitch;
- PixOffset dmodulo = fa->dst.modulo;
- PixOffset smodulo = fa->src.modulo;
-
- switch(mfd->mode) {
- case MODE_LEFT90:
- src = fa->src.data;
- dst0 = fa->dst.data + fa->dst.w;
-
- do {
- dst = --dst0;
- w = w0;
- do {
- *dst = *src++;
- dst = (Pixel32*)((char *)dst + dpitch);
- } while(--w);
-
- src = (Pixel32*)((char *)src + smodulo);
- } while(--h);
- break;
-
- case MODE_RIGHT90:
- src = fa->src.data;
- dst0 = (Pixel32 *)((char *)fa->dst.data + fa->dst.pitch*(fa->dst.h-1));
-
- do {
- dst = dst0++;
- w = w0;
- do {
- *dst = *src++;
- dst = (Pixel32*)((char *)dst - dpitch);
- } while(--w);
-
- src = (Pixel32*)((char *)src + smodulo);
- } while(--h);
- break;
-
- case MODE_180:
- src = fa->src.data;
- dst = (Pixel32 *)((char *)fa->dst.data + fa->dst.pitch*(fa->dst.h-1) + fa->dst.w*4 - 4);
-
- h>>=1;
- if (h) do {
- w = w0;
- do {
- Pixel32 a, b;
-
- a = *src;
- b = *dst;
-
- *src++ = b;
- *dst-- = a;
- } while(--w);
-
- src = (Pixel32*)((char *)src + smodulo);
- dst = (Pixel32*)((char *)dst - dmodulo);
- } while(--h);
-
- // if there is an odd line, flip half of it
-
- if (fa->src.h & 1) {
- w = w0>>1;
- if (w) do {
- Pixel32 a, b;
-
- a = *src;
- b = *dst;
-
- *src++ = b;
- *dst-- = a;
- } while(--w);
- }
- break;
- }
- return 0;
- }
-
- static long rotate_param(FilterActivation *fa, const FilterFunctions *ff) {
- MyFilterData *mfd = (MyFilterData *)fa->filter_data;
-
- if (mfd->mode == MODE_180)
- return 0;
-
- fa->dst.w = fa->src.h;
- fa->dst.h = fa->src.w;
- fa->dst.AlignTo8();
-
- return FILTERPARAM_SWAP_BUFFERS;
- }
-
- static BOOL APIENTRY rotateDlgProc( HWND hDlg, UINT message, UINT wParam, LONG lParam) {
- switch (message)
- {
- case WM_INITDIALOG:
- {
- MyFilterData *mfd = (MyFilterData *)lParam;
- SetWindowLong(hDlg, DWL_USER, (LONG)mfd);
-
- switch(mfd->mode) {
- case MODE_LEFT90: CheckDlgButton(hDlg, IDC_ROTATE_LEFT, BST_CHECKED); break;
- case MODE_RIGHT90: CheckDlgButton(hDlg, IDC_ROTATE_RIGHT, BST_CHECKED); break;
- case MODE_180: CheckDlgButton(hDlg, IDC_ROTATE_180, BST_CHECKED); break;
- }
- }
- return (TRUE);
-
- case WM_COMMAND:
- if (LOWORD(wParam) == IDOK) {
- MyFilterData *mfd = (struct MyFilterData *)GetWindowLong(hDlg, DWL_USER);
-
- if (IsDlgButtonChecked(hDlg, IDC_ROTATE_LEFT)) mfd->mode = MODE_LEFT90;
- if (IsDlgButtonChecked(hDlg, IDC_ROTATE_RIGHT)) mfd->mode = MODE_RIGHT90;
- if (IsDlgButtonChecked(hDlg, IDC_ROTATE_180)) mfd->mode = MODE_180;
-
- EndDialog(hDlg, 0);
- return TRUE;
- } else if (LOWORD(wParam) == IDCANCEL) {
- EndDialog(hDlg, 1);
- return TRUE;
- }
- break;
- }
- return FALSE;
- }
-
- static int rotate_config(FilterActivation *fa, const FilterFunctions *ff, HWND hWnd) {
- return DialogBoxParam(g_hInst, MAKEINTRESOURCE(IDD_FILTER_ROTATE), hWnd, rotateDlgProc, (LONG)fa->filter_data);
- }
-
- static void rotate_string(const FilterActivation *fa, const FilterFunctions *ff, char *buf) {
- MyFilterData *mfd = (MyFilterData *)fa->filter_data;
-
- wsprintf(buf, " (%s)", g_szMode[mfd->mode]);
- }
-
- static void rotate_script_config(IScriptInterpreter *isi, void *lpVoid, CScriptValue *argv, int argc) {
- FilterActivation *fa = (FilterActivation *)lpVoid;
- MyFilterData *mfd = (MyFilterData *)fa->filter_data;
-
- mfd->mode = argv[0].asInt();
-
- if (mfd->mode < 0 || mfd->mode > 2)
- mfd->mode = 0;
- }
-
- static ScriptFunctionDef rotate_func_defs[]={
- { (ScriptFunctionPtr)rotate_script_config, "Config", "0i" },
- { NULL },
- };
-
- static CScriptObject rotate_obj={
- NULL, rotate_func_defs
- };
-
- static bool rotate_script_line(FilterActivation *fa, const FilterFunctions *ff, char *buf, int buflen) {
- MyFilterData *mfd = (MyFilterData *)fa->filter_data;
-
- _snprintf(buf, buflen, "Config(%d)", mfd->mode);
-
- return true;
- }
-
- FilterDefinition filterDef_rotate={
- 0,0,NULL,
- "rotate",
- "Rotates an image by 90, 180, or 270 degrees.",
- NULL,NULL,
- sizeof(MyFilterData),
- NULL,NULL,
- rotate_run,
- rotate_param,
- rotate_config,
- rotate_string,
- NULL,
- NULL,
-
- &rotate_obj,
- rotate_script_line,
- };