| 1 | /***
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| 2 | This file belongs to the Gotcha! distribution.
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| 3 | Copyright (C) 1998-2002 Thorsten Thielen <thth@c2226.de>
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| 4 |
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| 5 | This program is free software; you can redistribute it and/or modify
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| 6 | it under the terms of the GNU General Public License as published by
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| 7 | the Free Software Foundation; either version 2 of the License, or
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| 8 | (at your option) any later version.
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| 9 |
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| 10 | This program is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | GNU General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU General Public License
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| 16 | along with this program; if not, write to the Free Software
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| 17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 18 | ***/
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| 19 |
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| 20 | // ** CaptureWindow ******************************************************* /*FOLD00*/
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| 21 | #include <ctype.h>
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| 22 | #define MAX_WAIT 15
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| 23 |
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| 24 | HBITMAP CaptureWindow (HWND hwnd, HWND hwndParent, PRECTL prcl, BOOL f)
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| 25 | {
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| 26 | #ifdef _DOLOGMEM_
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| 27 | LogMem("CaptureWindow", TRUE);
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| 28 | #endif
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| 29 | static PSZ pszData[4] = { "Display", NULL, NULL, NULL };
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| 30 | SIZEL sizlPage = {0, 0};
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| 31 | POINTL aptl[3];
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| 32 | LONG alData[2];
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| 33 | SWP swp;
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| 34 | SHORT sWidth, sHeight;
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| 35 | CHAR ach[32] = {0};
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| 36 |
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| 37 | // wait for the selected window to rise to the surface
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| 38 | if (f)
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| 39 | {
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| 40 | WinSetFocus(HWND_DESKTOP, hwndParent);
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| 41 | // FIXME uh, yukki! polling! but seems to be the easiest way for now.
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| 42 | for (USHORT i = 0; i < MAX_WAIT; i++)
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| 43 | {
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| 44 | DosSleep (100);
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| 45 | if (hwndParent == WinQueryFocus(HWND_DESKTOP)) {
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| 46 | break;
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| 47 | }
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| 48 | else
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| 49 | {
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| 50 | // check if topmost window is a menu
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| 51 | WinQueryClassName (WinQueryFocus(HWND_DESKTOP),
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| 52 | sizeof (ach), ach);
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| 53 | if (stricmp (ach, "#4") == 0)
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| 54 | break;
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| 55 | }
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| 56 | WinQueryWindowPos (hwndParent, &swp);
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| 57 | if ((swp.hwndInsertBehind == HWND_TOP) ||
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| 58 | (swp.hwndInsertBehind == hwndSnapshot)) {
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| 59 | break;
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| 60 | }
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| 61 | else
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| 62 | {
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| 63 | // check if topmost window is a menu
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| 64 | WinQueryClassName (swp.hwndInsertBehind, sizeof (ach), ach);
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| 65 | if (stricmp (ach, "#4") == 0)
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| 66 | break;
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| 67 | }
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| 68 | }
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| 69 | }
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| 70 |
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| 71 | // if no capture rectangle given, we'll take the whole window
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| 72 | if (! prcl)
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| 73 | {
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| 74 | WinQueryWindowPos (hwnd, &swp);
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| 75 | sWidth = swp.cx;
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| 76 | sHeight = swp.cy;
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| 77 | }
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| 78 | else
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| 79 | {
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| 80 | sWidth = prcl->xRight-prcl->xLeft+1;
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| 81 | sHeight = prcl->yTop-prcl->yBottom+1;
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| 82 | }
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| 83 |
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| 84 | /* create the memory device context and presentation space so they
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| 85 | are compatible with the screen device context and presentation space */
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| 86 | HDC hdcMem =
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| 87 | DevOpenDC (hab, OD_MEMORY, "*", 4, PDEVOPENDATA (pszData), 0);
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| 88 | HPS hpsMem =
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| 89 | GpiCreatePS (hab, hdcMem, &sizlPage, PU_PELS| GPIA_ASSOC| GPIT_MICRO);
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| 90 |
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| 91 | // determine the device's plane/bit-count format
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| 92 | GpiQueryDeviceBitmapFormats (hpsMem, 2, alData);
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| 93 |
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| 94 | // FIXME even if it seems to work ...
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| 95 | if (alData[1] == 16)
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| 96 | alData[1] = 24;
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| 97 |
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| 98 | BITMAPINFOHEADER2 bmp;
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| 99 |
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| 100 | /* load the BITMAPINFOHEADER2 and BITMAPINFO2 structures. The sWidth and
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| 101 | sHeight fields specify the width and height of the destination rect. */
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| 102 | bmp.cbFix = ULONG (sizeof(BITMAPINFOHEADER2));
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| 103 | bmp.cx = sWidth;
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| 104 | bmp.cy = sHeight;
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| 105 | bmp.cPlanes = alData[0];
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| 106 | bmp.cBitCount = alData[1];
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| 107 |
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| 108 | bmp.ulCompression = BCA_UNCOMP;
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| 109 | /*SOME STUFF MISSING IN THIS STATEMENT: 1 << bmp.cPlanes) *
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| 110 | (1 << bmp.cBitCount)) + 31) / 32) * sHeight;*/
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| 111 | bmp.cxResolution = 0;
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| 112 | bmp.cyResolution = 0;
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| 113 | bmp.cclrUsed = 0;
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| 114 | bmp.cclrImportant = 0;
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| 115 |
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| 116 | bmp.usUnits = BRU_METRIC;
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| 117 | bmp.usReserved = 0;
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| 118 | bmp.usRecording = BRA_BOTTOMUP;
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| 119 | bmp.usRendering = BRH_NOTHALFTONED;
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| 120 | bmp.cSize1 = 0;
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| 121 | bmp.cSize2 = 0;
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| 122 | bmp.ulColorEncoding = BCE_RGB;
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| 123 | bmp.ulIdentifier = 0;
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| 124 |
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| 125 | // create a bit map that is compatible with the display
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| 126 | HBITMAP hbm = GpiCreateBitmap (hpsMem, &bmp, 0L, NULL, NULL/*pbmi*/);
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| 127 |
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| 128 | // associate the bit map and the memory presentation space
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| 129 | HBITMAP hbmOld = GpiSetBitmap (hpsMem, hbm);
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| 130 |
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| 131 | /* Copy the screen to the bit map. */
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| 132 | aptl[0].x = 0; /* Lower-left corner of destination rectangle */
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| 133 | aptl[0].y = 0; /* Lower-left corner of destination rectangle */
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| 134 | aptl[1].x = sWidth; /* Upper-right corner of destination rectangle */
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| 135 | aptl[1].y = sHeight; /* Upper-right corner of destination rectangle */
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| 136 |
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| 137 | if (! prcl)
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| 138 | {
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| 139 | aptl[2].x = 0; /* Lower-left corner of source rectangle */
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| 140 | aptl[2].y = 0; /* Lower-left corner of source rectangle */
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| 141 | }
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| 142 | else
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| 143 | {
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| 144 | aptl[2].x = prcl->xLeft; /* Lower-left corner of source rectangle */
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| 145 | aptl[2].y = prcl->yBottom; /* Lower-left corner of source rectangle */
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| 146 | }
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| 147 |
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| 148 | HPS hps;
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| 149 |
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| 150 | // esp. important if serial capture enabled: window may have been closed!
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| 151 | if (WinIsWindow (GETHAB, hwnd) || (hwnd == HWND_DESKTOP))
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| 152 | hps = WinGetPS (hwnd);
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| 153 | else
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| 154 | {
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| 155 | GpiDeleteBitmap (hbm);
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| 156 | DevCloseDC (hdcMem);
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| 157 | return NULL;
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| 158 | }
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| 159 |
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| 160 | GpiBitBlt (hpsMem, hps,
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| 161 | sizeof (aptl) / sizeof (POINTL), /* Number of points in aptl */
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| 162 | aptl, ROP_SRCCOPY, BBO_IGNORE);
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| 163 |
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| 164 | SWCNTRL swctl;
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| 165 | PID pid;
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| 166 | TID tid;
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| 167 | BOOL screen = FALSE, region = FALSE;
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| 168 | CHAR title[11];
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| 169 |
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| 170 | if (!f) {
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| 171 | //hwndParent = WinQueryFocus(HWND_DESKTOP);
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| 172 | if (hwndParent == hwndFrame) {
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| 173 | hwndParent = WinQueryWindow(hwndFrame, QW_NEXTTOP );
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| 174 | }
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| 175 | screen = TRUE;
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| 176 | if (prcl)
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| 177 | region = TRUE;
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| 178 | }
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| 179 |
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| 180 | int rc = WinQueryWindowProcess(hwndParent, &pid, &tid);
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| 181 | if (WinQuerySwitchEntry(WinQuerySwitchHandle(hwndParent, pid),
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| 182 | &swctl))
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| 183 | WinQuerySwitchEntry(WinQuerySwitchHandle(NULLHANDLE, pid),
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| 184 | &swctl);
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| 185 |
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| 186 | char buffer[MAXNAMEL+4];
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| 187 | int length = strlen( swctl.szSwtitle );
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| 188 | strcpy(buffer, swctl.szSwtitle);
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| 189 | char *p;
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| 190 | p = buffer;
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| 191 | for (int i = 0; i < (length < 11 ? length : 11); i++) {
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| 192 | if ( ispunct( *p ) || *p == '\\' || isblank( *p )) {
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| 193 | *p = '_';
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| 194 | }
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| 195 | p++;
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| 196 | }
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| 197 |
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| 198 | if (region)
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| 199 | snprintf( title, length < 8 ? length + 3 : 11, "SR%s", buffer);
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| 200 | else if (screen)
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| 201 | snprintf( title, length < 8 ? length + 3 : 11, "SC%s", buffer);
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| 202 | else
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| 203 | snprintf( title, length < 8 ? length + 3 : 11, "WD%s", buffer);
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| 204 |
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| 205 | SaveBitmap (hbm, hpsMem, sWidth, sHeight, bmp.cBitCount, title);
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| 206 |
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| 207 | // re-associate the previous bit map and the memory presentation space
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| 208 | GpiSetBitmap (hpsMem, hbmOld);
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| 209 |
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| 210 | GpiDeleteBitmap (hbm);
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| 211 | WinReleasePS (hps);
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| 212 | GpiDestroyPS (hps);
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| 213 | DevCloseDC (hdcMem);
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| 214 |
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| 215 | #ifdef _DOLOGMEM_
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| 216 | LogMem("CaptureWindow", FALSE);
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| 217 | #endif
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| 218 |
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| 219 | return hbm;
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| 220 | }
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| 221 |
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| 222 | // ** DoTracking ********************************************************** /*FOLD00*/
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| 223 |
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| 224 | BOOL DoTracking (RECTL *prclTrack)
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| 225 | {
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| 226 | LONG cxScreen, cyScreen, cxPointer, cyPointer;
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| 227 | TRACKINFO ti;
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| 228 |
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| 229 | cxScreen = WinQuerySysValue (HWND_DESKTOP, SV_CXSCREEN);
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| 230 | cyScreen = WinQuerySysValue (HWND_DESKTOP, SV_CYSCREEN);
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| 231 | cxPointer = WinQuerySysValue (HWND_DESKTOP, SV_CXPOINTER);
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| 232 | cyPointer = WinQuerySysValue (HWND_DESKTOP, SV_CYPOINTER);
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| 233 |
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| 234 | ti.cxBorder = 1;
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| 235 | ti.cyBorder = 1;
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| 236 |
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| 237 | ti.cxGrid = 0;
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| 238 | ti.cyGrid = 0;
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| 239 |
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| 240 | ti.cxKeyboard = 4;
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| 241 | ti.cyKeyboard = 4;
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| 242 |
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| 243 | ti.rclBoundary.xLeft = 0;
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| 244 | ti.rclBoundary.yBottom = 0;
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| 245 | ti.rclBoundary.xRight = cxScreen;
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| 246 | ti.rclBoundary.yTop = cyScreen;
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| 247 |
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| 248 | ti.ptlMinTrackSize.x = 1;
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| 249 | ti.ptlMinTrackSize.y = 1;
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| 250 | ti.ptlMaxTrackSize.x = cxScreen;
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| 251 | ti.ptlMaxTrackSize.y = cyScreen;
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| 252 |
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| 253 | ti.rclTrack.xLeft = (cxScreen-cxPointer)/2;
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| 254 | ti.rclTrack.yBottom = (cyScreen-cyPointer)/2;
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| 255 | ti.rclTrack.xRight = (cxScreen+cxPointer)/2;
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| 256 | ti.rclTrack.yTop = (cyScreen+cyPointer)/2;
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| 257 |
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| 258 | ti.fs = TF_MOVE | TF_STANDARD | TF_SETPOINTERPOS;
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| 259 |
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| 260 | if (! WinTrackRect (HWND_DESKTOP, NULL, &ti))
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| 261 | return FALSE;
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| 262 |
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| 263 | WinSetPointer (HWND_DESKTOP,
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| 264 | WinQuerySysPointer (HWND_DESKTOP, SPTR_SIZENESW, FALSE));
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| 265 |
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| 266 | ti.fs = TF_RIGHT | TF_TOP | TF_STANDARD | TF_SETPOINTERPOS;
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| 267 |
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| 268 | if (! WinTrackRect (HWND_DESKTOP, NULL, &ti))
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| 269 | return FALSE;
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| 270 |
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| 271 | *prclTrack = ti.rclTrack;
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| 272 |
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| 273 | return TRUE;
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| 274 | }
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| 275 |
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| 276 | // ** StartSelection ****************************************************** /*FOLD00*/
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| 277 |
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| 278 | VOID StartSelection (HWND hwnd)
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| 279 | {
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| 280 | WinSetPointer (HWND_DESKTOP, WinLoadPointer (HWND_DESKTOP, GETMODULE, 2));
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| 281 | WinSetCapture (HWND_DESKTOP, hwnd);
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| 282 | }
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| 283 |
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| 284 | // ************************************************************************
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