| 1 |
|
|---|
| 2 | /*
|
|---|
| 3 | *@@sourcefile animate.c:
|
|---|
| 4 | * contains a bit of helper code for animations.
|
|---|
| 5 | *
|
|---|
| 6 | * This is a new file with V0.81. Most of this code used to reside
|
|---|
| 7 | * in common.c with previous versions.
|
|---|
| 8 | * Note that with V0.9.0, the code for icon animations has been
|
|---|
| 9 | * moved to the new comctl.c file.
|
|---|
| 10 | *
|
|---|
| 11 | * Usage: All PM programs.
|
|---|
| 12 | *
|
|---|
| 13 | * Function prefixes (new with V0.81):
|
|---|
| 14 | * -- anm* Animation helper functions
|
|---|
| 15 | *
|
|---|
| 16 | * Note: Version numbering in this file relates to XWorkplace version
|
|---|
| 17 | * numbering.
|
|---|
| 18 | *
|
|---|
| 19 | *@@header "helpers\animate.h"
|
|---|
| 20 | */
|
|---|
| 21 |
|
|---|
| 22 | /*
|
|---|
| 23 | * Copyright (C) 1997-2000 Ulrich Mller.
|
|---|
| 24 | * This file is part of the "XWorkplace helpers" source package.
|
|---|
| 25 | * This is free software; you can redistribute it and/or modify
|
|---|
| 26 | * it under the terms of the GNU General Public License as published
|
|---|
| 27 | * by the Free Software Foundation, in version 2 as it comes in the
|
|---|
| 28 | * "COPYING" file of the XWorkplace main distribution.
|
|---|
| 29 | * This program is distributed in the hope that it will be useful,
|
|---|
| 30 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 31 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 32 | * GNU General Public License for more details.
|
|---|
| 33 | */
|
|---|
| 34 |
|
|---|
| 35 | #define OS2EMX_PLAIN_CHAR
|
|---|
| 36 | // this is needed for "os2emx.h"; if this is defined,
|
|---|
| 37 | // emx will define PSZ as _signed_ char, otherwise
|
|---|
| 38 | // as unsigned char
|
|---|
| 39 |
|
|---|
| 40 | #define INCL_DOSPROCESS
|
|---|
| 41 | #define INCL_DOSDEVICES
|
|---|
| 42 | #define INCL_DOSDEVIOCTL
|
|---|
| 43 | #define INCL_DOSMISC
|
|---|
| 44 | #define INCL_DOSERRORS
|
|---|
| 45 |
|
|---|
| 46 | #define INCL_WINWINDOWMGR
|
|---|
| 47 | #define INCL_WINPOINTERS
|
|---|
| 48 | #define INCL_WINSYS
|
|---|
| 49 |
|
|---|
| 50 | #define INCL_GPILOGCOLORTABLE
|
|---|
| 51 | #define INCL_GPIPRIMITIVES
|
|---|
| 52 | #define INCL_GPIBITMAPS // added UM 99-10-22; needed for EMX headers
|
|---|
| 53 | #include <os2.h>
|
|---|
| 54 |
|
|---|
| 55 | #include <stdlib.h>
|
|---|
| 56 | #include <string.h>
|
|---|
| 57 |
|
|---|
| 58 | #include "setup.h" // code generation and debugging options
|
|---|
| 59 |
|
|---|
| 60 | #include "helpers\winh.h"
|
|---|
| 61 |
|
|---|
| 62 | /*
|
|---|
| 63 | *@@category: Helpers\PM helpers\Animation helpers
|
|---|
| 64 | * See animate.c.
|
|---|
| 65 | */
|
|---|
| 66 |
|
|---|
| 67 | /*
|
|---|
| 68 | *@@ anmBlowUpBitmap:
|
|---|
| 69 | * this displays an animation based on a given bitmap.
|
|---|
| 70 | * The bitmap is "blown up" in that it is continually
|
|---|
| 71 | * increased in size until the original size is reached.
|
|---|
| 72 | * The animation is calculated so that it lasts exactly
|
|---|
| 73 | * ulAnimation milliseconds, no matter how fast the
|
|---|
| 74 | * system is.
|
|---|
| 75 | *
|
|---|
| 76 | * This function does not return until the animation
|
|---|
| 77 | * has completed.
|
|---|
| 78 | *
|
|---|
| 79 | * You should run this routine in a thread with higher-
|
|---|
| 80 | * than-normal priority, because otherwise the kernel
|
|---|
| 81 | * might interrupt the thread, causing a somewhat jerky
|
|---|
| 82 | * display.
|
|---|
| 83 | *
|
|---|
| 84 | * Returns the count of animation steps that were drawn.
|
|---|
| 85 | * This is dependent on the speed of the system.
|
|---|
| 86 | *
|
|---|
| 87 | *@@changed V0.9.7 (2000-12-08) [umoeller]: got rid of dtGetULongTime
|
|---|
| 88 | */
|
|---|
| 89 |
|
|---|
| 90 | BOOL anmBlowUpBitmap(HPS hps, // in: from WinGetScreenPS(HWND_DESKTOP)
|
|---|
| 91 | HBITMAP hbm, // in: bitmap to be displayed
|
|---|
| 92 | ULONG ulAnimationTime) // in: total animation time (ms)
|
|---|
| 93 | {
|
|---|
| 94 | ULONG ulrc = 0;
|
|---|
| 95 | ULONG ulInitialTime,
|
|---|
| 96 | ulNowTime;
|
|---|
| 97 | // ulCurrentSize = 10;
|
|---|
| 98 |
|
|---|
| 99 | if (hps)
|
|---|
| 100 | {
|
|---|
| 101 | POINTL ptl = {0, 0};
|
|---|
| 102 | RECTL rtlStretch;
|
|---|
| 103 | ULONG ul,
|
|---|
| 104 | ulSteps = 20;
|
|---|
| 105 | BITMAPINFOHEADER bih;
|
|---|
| 106 | GpiQueryBitmapParameters(hbm, &bih);
|
|---|
| 107 | ptl.x = (G_cxScreen - bih.cx) / 2;
|
|---|
| 108 | ptl.y = (G_cyScreen - bih.cy) / 2;
|
|---|
| 109 |
|
|---|
| 110 | // we now use ul for the current animation step,
|
|---|
| 111 | // which is a pointer on a scale from 1 to ulAnimationTime;
|
|---|
| 112 | // ul will be recalculated after each animation
|
|---|
| 113 | // step according to how much time the animation
|
|---|
| 114 | // has cost on this display so far. This has the
|
|---|
| 115 | // following advantages:
|
|---|
| 116 | // 1) no matter how fast the system is, the animation
|
|---|
| 117 | // will always last ulAnimationTime milliseconds
|
|---|
| 118 | // 2) since large bitmaps take more time to calculate,
|
|---|
| 119 | // the animation won't appear to slow down then
|
|---|
| 120 | DosQuerySysInfo(QSV_MS_COUNT, QSV_MS_COUNT,
|
|---|
| 121 | &ulInitialTime,
|
|---|
| 122 | sizeof(ulInitialTime));
|
|---|
| 123 | ul = 1;
|
|---|
| 124 | ulSteps = 1000;
|
|---|
| 125 | do {
|
|---|
| 126 | LONG cx = (((bih.cx-20) * ul) / ulSteps) + 20;
|
|---|
| 127 | LONG cy = (((bih.cy-20) * ul) / ulSteps) + 20;
|
|---|
| 128 | rtlStretch.xLeft = ptl.x + ((bih.cx - cx) / 2);
|
|---|
| 129 | rtlStretch.yBottom = ptl.y + ((bih.cy - cy) / 2);
|
|---|
| 130 | rtlStretch.xRight = rtlStretch.xLeft + cx;
|
|---|
| 131 | rtlStretch.yTop = rtlStretch.yBottom + cy;
|
|---|
| 132 |
|
|---|
| 133 | WinDrawBitmap(hps, hbm, NULL, (PPOINTL)&rtlStretch,
|
|---|
| 134 | 0, 0, // we don't need colors
|
|---|
| 135 | DBM_STRETCH);
|
|---|
| 136 |
|
|---|
| 137 | DosQuerySysInfo(QSV_MS_COUNT, QSV_MS_COUNT,
|
|---|
| 138 | &ulNowTime,
|
|---|
| 139 | sizeof(ulNowTime));
|
|---|
| 140 |
|
|---|
| 141 | // recalculate ul: rule of three based on the
|
|---|
| 142 | // time we've spent on animation so far
|
|---|
| 143 | ul = (ulSteps
|
|---|
| 144 | * (ulNowTime - ulInitialTime)) // time spent so far
|
|---|
| 145 | / ulAnimationTime; // time to spend altogether
|
|---|
| 146 |
|
|---|
| 147 | ulrc++; // return count
|
|---|
| 148 |
|
|---|
| 149 | } while (ul < ulSteps);
|
|---|
| 150 |
|
|---|
| 151 | // finally, draw the 1:1 version
|
|---|
| 152 | WinDrawBitmap(hps, hbm, NULL, &ptl,
|
|---|
| 153 | 0, 0, // we don't need colors
|
|---|
| 154 | DBM_NORMAL);
|
|---|
| 155 |
|
|---|
| 156 | } // end if (hps)
|
|---|
| 157 |
|
|---|
| 158 | return ulrc;
|
|---|
| 159 | }
|
|---|
| 160 |
|
|---|
| 161 | #define LAST_LINE_WIDTH 2
|
|---|
| 162 |
|
|---|
| 163 | /* ******************************************************************
|
|---|
| 164 | *
|
|---|
| 165 | * Other animations
|
|---|
| 166 | *
|
|---|
| 167 | ********************************************************************/
|
|---|
| 168 |
|
|---|
| 169 | /*
|
|---|
| 170 | *@@ anmPowerOff:
|
|---|
| 171 | * displays an animation that looks like a
|
|---|
| 172 | * monitor being turned off; hps must have
|
|---|
| 173 | * been acquired using WinGetScreenPS.
|
|---|
| 174 | *
|
|---|
| 175 | *@@changed V0.9.7 (2000-12-08) [umoeller]: got rid of dtGetULongTime
|
|---|
| 176 | */
|
|---|
| 177 |
|
|---|
| 178 | VOID anmPowerOff(HPS hps,
|
|---|
| 179 | ULONG ulMaxTime1, // = 500,
|
|---|
| 180 | ULONG ulMaxTime2, // = 800,
|
|---|
| 181 | ULONG ulMaxTime3, // = 200,
|
|---|
| 182 | ULONG ulWaitEnd) // = 300
|
|---|
| 183 | {
|
|---|
| 184 | RECTL rclScreen,
|
|---|
| 185 | rclNow,
|
|---|
| 186 | rclLast,
|
|---|
| 187 | rclDraw;
|
|---|
| 188 | ULONG ulPhase = 1,
|
|---|
| 189 | ulCXLastLine;
|
|---|
| 190 |
|
|---|
| 191 | ULONG ulStartTime = 0,
|
|---|
| 192 | ulTimeNow = 0;
|
|---|
| 193 |
|
|---|
| 194 | WinQueryWindowRect(HWND_DESKTOP, &rclScreen);
|
|---|
| 195 | ulCXLastLine = rclScreen.xRight / 3;
|
|---|
| 196 |
|
|---|
| 197 | WinShowPointer(HWND_DESKTOP, FALSE);
|
|---|
| 198 |
|
|---|
| 199 | memcpy(&rclLast, &rclScreen, sizeof(RECTL));
|
|---|
| 200 |
|
|---|
| 201 | // In order to draw the animation, we tell apart three
|
|---|
| 202 | // "phases", signified by the ulPhase variable. While
|
|---|
| 203 | // ulPhase != 99, we stay in a do-while loop.
|
|---|
| 204 | ulPhase = 1;
|
|---|
| 205 |
|
|---|
| 206 | do
|
|---|
| 207 | {
|
|---|
| 208 | // get current time
|
|---|
| 209 | DosQuerySysInfo(QSV_MS_COUNT, QSV_MS_COUNT,
|
|---|
| 210 | &ulTimeNow,
|
|---|
| 211 | sizeof(ulTimeNow));
|
|---|
| 212 |
|
|---|
| 213 | // get start time
|
|---|
| 214 | if (ulStartTime == 0)
|
|---|
| 215 | // this is reset when we enter a new phase
|
|---|
| 216 | ulStartTime = ulTimeNow;
|
|---|
| 217 |
|
|---|
| 218 | if (ulPhase == 1)
|
|---|
| 219 | {
|
|---|
| 220 | // Phase 1: "shrink" the screen by drawing black
|
|---|
| 221 | // rectangles from the edges towards the center
|
|---|
| 222 | // of the screen. With every loop, we draw the
|
|---|
| 223 | // rectangles a bit closer to the center, until
|
|---|
| 224 | // the center is black too. Sort of like this:
|
|---|
| 225 |
|
|---|
| 226 | // ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
|
|---|
| 227 | // º black º
|
|---|
| 228 | // º º
|
|---|
| 229 | // º ÚÄÄÄÄÄÄÄÄÄÄÄ¿ º
|
|---|
| 230 | // º ³ rclNow: ³ º
|
|---|
| 231 | // º -> ³ untouched ³ <- º
|
|---|
| 232 | // º ÀÄÄÄÄÄÄÄÄÄÄÄÙ º
|
|---|
| 233 | // º ^ º
|
|---|
| 234 | // º | º
|
|---|
| 235 | // ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
|
|---|
| 236 |
|
|---|
| 237 | // This part lasts exactly (ulMaxTime1) milliseconds.
|
|---|
| 238 |
|
|---|
| 239 | // rclNow contains the rectangle _around_ which
|
|---|
| 240 | // the black rectangles are to be drawn. With
|
|---|
| 241 | // every iteration, rclNow is reduced in size.
|
|---|
| 242 | ULONG ulMaxX = (rclScreen.xRight - ulCXLastLine) / 2,
|
|---|
| 243 | ulMaxY = rclScreen.yTop / 2 - LAST_LINE_WIDTH;
|
|---|
| 244 | ULONG ulTimePassed = (ulTimeNow - ulStartTime);
|
|---|
| 245 | if (ulTimePassed >= ulMaxTime1)
|
|---|
| 246 | {
|
|---|
| 247 | // time has elapsed:
|
|---|
| 248 | ulTimePassed = ulMaxTime1;
|
|---|
| 249 | // enter next phase on next loop
|
|---|
| 250 | ulPhase++;
|
|---|
| 251 | // reget start time
|
|---|
| 252 | ulStartTime = 0;
|
|---|
| 253 | }
|
|---|
| 254 | rclNow.xLeft = ulMaxX * ulTimePassed / ulMaxTime1;
|
|---|
| 255 | rclNow.yBottom = ulMaxY * ulTimePassed / ulMaxTime1;
|
|---|
| 256 | rclNow.xRight = (rclScreen.xRight) - rclNow.xLeft;
|
|---|
| 257 | rclNow.yTop = (rclScreen.yTop) - rclNow.yBottom;
|
|---|
| 258 |
|
|---|
| 259 | /* rclNow.xLeft = ((rclScreen.yTop / 2) * ul / ulSteps );
|
|---|
| 260 | rclNow.xRight = (rclScreen.xRight) - rclNow.xLeft;
|
|---|
| 261 | rclNow.yBottom = ((rclScreen.yTop / 2) * ul / ulSteps );
|
|---|
| 262 | rclNow.yTop = (rclScreen.yTop) - rclNow.yBottom; */
|
|---|
| 263 |
|
|---|
| 264 | /* if (rclNow.yBottom > (rclNow.yTop - LAST_WIDTH) )
|
|---|
| 265 | {
|
|---|
| 266 | rclNow.yBottom = (rclScreen.yTop / 2) - LAST_WIDTH;
|
|---|
| 267 | rclNow.yTop = (rclScreen.yTop / 2) + LAST_WIDTH;
|
|---|
| 268 | } */
|
|---|
| 269 |
|
|---|
| 270 | // draw black rectangle on top of rclNow
|
|---|
| 271 | rclDraw.xLeft = rclLast.xLeft;
|
|---|
| 272 | rclDraw.xRight = rclLast.xRight;
|
|---|
| 273 | rclDraw.yBottom = rclNow.yTop;
|
|---|
| 274 | rclDraw.yTop = rclLast.yTop;
|
|---|
| 275 | WinFillRect(hps, &rclDraw, CLR_BLACK); // exclusive
|
|---|
| 276 |
|
|---|
| 277 | // draw black rectangle left of rclNow
|
|---|
| 278 | rclDraw.xLeft = rclLast.xLeft;
|
|---|
| 279 | rclDraw.xRight = rclNow.xLeft;
|
|---|
| 280 | rclDraw.yBottom = rclLast.yBottom;
|
|---|
| 281 | rclDraw.yTop = rclLast.yTop;
|
|---|
| 282 | WinFillRect(hps, &rclDraw, CLR_BLACK); // exclusive
|
|---|
| 283 |
|
|---|
| 284 | // draw black rectangle right of rclNow
|
|---|
| 285 | rclDraw.xLeft = rclNow.xRight;
|
|---|
| 286 | rclDraw.xRight = rclLast.xRight;
|
|---|
| 287 | rclDraw.yBottom = rclLast.yBottom;
|
|---|
| 288 | rclDraw.yTop = rclLast.yTop;
|
|---|
| 289 | WinFillRect(hps, &rclDraw, CLR_BLACK); // exclusive
|
|---|
| 290 |
|
|---|
| 291 | // draw black rectangle at the bottom of rclNow
|
|---|
| 292 | rclDraw.xLeft = rclLast.xLeft;
|
|---|
| 293 | rclDraw.xRight = rclLast.xRight;
|
|---|
| 294 | rclDraw.yBottom = rclLast.yBottom;
|
|---|
| 295 | rclDraw.yTop = rclNow.yBottom;
|
|---|
| 296 | WinFillRect(hps, &rclDraw, CLR_BLACK); // exclusive
|
|---|
| 297 |
|
|---|
| 298 | // remember rclNow for next iteration
|
|---|
| 299 | memcpy(&rclLast, &rclNow, sizeof(RECTL));
|
|---|
| 300 |
|
|---|
| 301 | // done with "shrinking"?
|
|---|
| 302 | /* if ( rclNow.xRight < ((rclScreen.xRight / 2) + LAST_WIDTH) )
|
|---|
| 303 | {
|
|---|
| 304 | ulPhase = 2; // exit
|
|---|
| 305 | // reget start time
|
|---|
| 306 | ulStartTime = 0;
|
|---|
| 307 | } */
|
|---|
| 308 |
|
|---|
| 309 | if (ulPhase == 2)
|
|---|
| 310 | {
|
|---|
| 311 | // this was the last step in this phase:
|
|---|
| 312 | memcpy(&rclLast, &rclScreen, sizeof(RECTL));
|
|---|
| 313 | }
|
|---|
| 314 | }
|
|---|
| 315 | else if (ulPhase == 2)
|
|---|
| 316 | {
|
|---|
| 317 | // Phase 2: draw a horizontal white line about
|
|---|
| 318 | // where the last rclNow was. and shrink it
|
|---|
| 319 | // towards the middle. This ends with a white
|
|---|
| 320 | // dot in the middle of the screen.
|
|---|
| 321 |
|
|---|
| 322 | // ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
|
|---|
| 323 | // º black º
|
|---|
| 324 | // º º
|
|---|
| 325 | // º º
|
|---|
| 326 | // º --> ÄwhiteÄÄÄÄ <-- º
|
|---|
| 327 | // º º
|
|---|
| 328 | // º º
|
|---|
| 329 | // º º
|
|---|
| 330 | // ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
|
|---|
| 331 |
|
|---|
| 332 | // This part lasts exactly (ulMaxTime2) milliseconds.
|
|---|
| 333 |
|
|---|
| 334 | // start is same as max in step 1
|
|---|
| 335 | ULONG ulStartX = (rclScreen.xRight - ulCXLastLine) / 2,
|
|---|
| 336 | ulY = rclScreen.yTop / 2 - LAST_LINE_WIDTH;
|
|---|
| 337 | ULONG ulMaxX = (rclScreen.xRight) / 2 - LAST_LINE_WIDTH; // center
|
|---|
| 338 | ULONG ulTimePassed = (ulTimeNow - ulStartTime);
|
|---|
| 339 | if (ulTimePassed >= ulMaxTime2)
|
|---|
| 340 | {
|
|---|
| 341 | // time has elapsed:
|
|---|
| 342 | ulTimePassed = ulMaxTime2;
|
|---|
| 343 | // enter next phase on next loop
|
|---|
| 344 | ulPhase++;
|
|---|
| 345 | // reget start time
|
|---|
| 346 | ulStartTime = 0;
|
|---|
| 347 | }
|
|---|
| 348 |
|
|---|
| 349 | rclNow.xLeft = ulStartX
|
|---|
| 350 | + ( (ulMaxX - ulStartX) * ulTimePassed / ulMaxTime2 );
|
|---|
| 351 | rclNow.yBottom = ulY;
|
|---|
| 352 | rclNow.xRight = (rclScreen.xRight) - rclNow.xLeft;
|
|---|
| 353 | rclNow.yTop = (rclScreen.yTop) - rclNow.yBottom;
|
|---|
| 354 |
|
|---|
| 355 | // draw black rectangle left of rclNow
|
|---|
| 356 | rclDraw.xLeft = rclLast.xLeft;
|
|---|
| 357 | rclDraw.xRight = rclNow.xLeft;
|
|---|
| 358 | rclDraw.yBottom = rclLast.yBottom;
|
|---|
| 359 | rclDraw.yTop = rclLast.yTop;
|
|---|
| 360 | WinFillRect(hps, &rclDraw, CLR_BLACK); // exclusive
|
|---|
| 361 |
|
|---|
| 362 | // draw black rectangle right of rclNow
|
|---|
| 363 | rclDraw.xLeft = rclNow.xRight;
|
|---|
| 364 | rclDraw.xRight = rclLast.xRight;
|
|---|
| 365 | rclDraw.yBottom = rclLast.yBottom;
|
|---|
| 366 | rclDraw.yTop = rclLast.yTop;
|
|---|
| 367 | WinFillRect(hps, &rclDraw, CLR_BLACK); // exclusive
|
|---|
| 368 |
|
|---|
| 369 | // WinFillRect(hps, &rclNow, CLR_WHITE); // exclusive
|
|---|
| 370 |
|
|---|
| 371 | // remember rclNow for next iteration
|
|---|
| 372 | memcpy(&rclLast, &rclNow, sizeof(RECTL));
|
|---|
| 373 |
|
|---|
| 374 | if (ulPhase == 3)
|
|---|
| 375 | {
|
|---|
| 376 | // this was the last step in this phase:
|
|---|
| 377 | // keep the dot visible for a while
|
|---|
| 378 | DosSleep(ulMaxTime3);
|
|---|
| 379 |
|
|---|
| 380 | // draw a white line for phase 3
|
|---|
| 381 | rclLast.xLeft = ulMaxX;
|
|---|
| 382 | rclLast.yBottom = rclScreen.yTop / 4;
|
|---|
| 383 | rclLast.xRight = rclScreen.xRight - rclLast.xLeft;
|
|---|
| 384 | rclLast.yTop = rclScreen.yTop - rclLast.yBottom;
|
|---|
| 385 |
|
|---|
| 386 | WinFillRect(hps, &rclLast, CLR_WHITE); // exclusive
|
|---|
| 387 | }
|
|---|
| 388 | }
|
|---|
| 389 | else if (ulPhase == 3)
|
|---|
| 390 | {
|
|---|
| 391 | // Phase 3: make the white line shorter with
|
|---|
| 392 | // every iteration by drawing black rectangles
|
|---|
| 393 | // above and below it. These are drawn closer
|
|---|
| 394 | // to the center with each iteration.
|
|---|
| 395 |
|
|---|
| 396 | // ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
|
|---|
| 397 | // º º
|
|---|
| 398 | // º º
|
|---|
| 399 | // º | º
|
|---|
| 400 | // º | º
|
|---|
| 401 | // º | º
|
|---|
| 402 | // º º
|
|---|
| 403 | // º º
|
|---|
| 404 | // ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
|
|---|
| 405 |
|
|---|
| 406 | // This part lasts exactly ulMaxTime3 milliseconds.
|
|---|
| 407 | ULONG ulX = (rclScreen.xRight) / 2 - LAST_LINE_WIDTH, // center
|
|---|
| 408 | ulStartY = rclScreen.yTop / 4;
|
|---|
| 409 | ULONG ulMaxY = (rclScreen.yTop) / 2 - LAST_LINE_WIDTH; // center
|
|---|
| 410 | ULONG ulTimePassed = (ulTimeNow - ulStartTime);
|
|---|
| 411 | if (ulTimePassed >= ulMaxTime3)
|
|---|
| 412 | {
|
|---|
| 413 | // time has elapsed:
|
|---|
| 414 | ulTimePassed = ulMaxTime3;
|
|---|
| 415 | // stop
|
|---|
| 416 | ulPhase = 99;
|
|---|
| 417 | }
|
|---|
| 418 |
|
|---|
| 419 | rclNow.xLeft = ulX;
|
|---|
| 420 | rclNow.yBottom = ulStartY
|
|---|
| 421 | + ( (ulMaxY - ulStartY) * ulTimePassed / ulMaxTime3 );
|
|---|
| 422 | rclNow.xRight = (rclScreen.xRight) - rclNow.xLeft;
|
|---|
| 423 | rclNow.yTop = (rclScreen.yTop) - rclNow.yBottom;
|
|---|
| 424 |
|
|---|
| 425 | // draw black rectangle on top of rclNow
|
|---|
| 426 | rclDraw.xLeft = rclLast.xLeft;
|
|---|
| 427 | rclDraw.xRight = rclLast.xRight;
|
|---|
| 428 | rclDraw.yBottom = rclNow.yTop;
|
|---|
| 429 | rclDraw.yTop = rclLast.yTop;
|
|---|
| 430 | WinFillRect(hps, &rclDraw, CLR_BLACK); // exclusive
|
|---|
| 431 |
|
|---|
| 432 | // draw black rectangle at the bottom of rclNow
|
|---|
| 433 | rclDraw.xLeft = rclLast.xLeft;
|
|---|
| 434 | rclDraw.xRight = rclLast.xRight;
|
|---|
| 435 | rclDraw.yBottom = rclLast.yBottom;
|
|---|
| 436 | rclDraw.yTop = rclNow.yBottom;
|
|---|
| 437 | WinFillRect(hps, &rclDraw, CLR_BLACK); // exclusive
|
|---|
| 438 |
|
|---|
| 439 | // remember rclNow for next iteration
|
|---|
| 440 | memcpy(&rclLast, &rclNow, sizeof(RECTL));
|
|---|
| 441 |
|
|---|
| 442 | /* rclDraw.xLeft = (rclScreen.xRight / 2) - LAST_LINE_WIDTH;
|
|---|
| 443 | rclDraw.xRight = (rclScreen.xRight / 2) + LAST_LINE_WIDTH;
|
|---|
| 444 | rclDraw.yTop = (rclScreen.yTop * 3 / 4);
|
|---|
| 445 | rclDraw.yBottom = (rclScreen.yTop * 3 / 4) - ((rclScreen.yTop * 1 / 4) * ul / LAST_STEPS);
|
|---|
| 446 | if (rclDraw.yBottom < ((rclScreen.yTop / 2) + LAST_LINE_WIDTH))
|
|---|
| 447 | rclDraw.yBottom = ((rclScreen.yTop / 2) + LAST_LINE_WIDTH);
|
|---|
| 448 | WinFillRect(hps, &rclDraw, CLR_BLACK);
|
|---|
| 449 |
|
|---|
| 450 | rclDraw.xLeft = (rclScreen.xRight / 2) - LAST_LINE_WIDTH;
|
|---|
| 451 | rclDraw.xRight = (rclScreen.xRight / 2) + LAST_LINE_WIDTH;
|
|---|
| 452 | rclDraw.yBottom = (rclScreen.yTop * 1 / 4);
|
|---|
| 453 | rclDraw.yTop = (rclScreen.yTop * 1 / 4) + ((rclScreen.yTop * 1 / 4) * ul / LAST_STEPS);
|
|---|
| 454 | if (rclDraw.yTop > ((rclScreen.yTop / 2) - LAST_LINE_WIDTH))
|
|---|
| 455 | rclDraw.yBottom = ((rclScreen.yTop / 2) - LAST_LINE_WIDTH);
|
|---|
| 456 |
|
|---|
| 457 | WinFillRect(hps, &rclDraw, CLR_BLACK);
|
|---|
| 458 |
|
|---|
| 459 | ul++;
|
|---|
| 460 | if (ul > LAST_STEPS) */
|
|---|
| 461 | // ulPhase = 99;
|
|---|
| 462 | }
|
|---|
| 463 |
|
|---|
| 464 | } while (ulPhase != 99);
|
|---|
| 465 |
|
|---|
| 466 | // sleep a while
|
|---|
| 467 | DosSleep(ulWaitEnd / 2);
|
|---|
| 468 | WinFillRect(hps, &rclScreen, CLR_BLACK); // exclusive
|
|---|
| 469 | DosSleep(ulWaitEnd / 2);
|
|---|
| 470 |
|
|---|
| 471 | WinShowPointer(HWND_DESKTOP, TRUE);
|
|---|
| 472 | }
|
|---|
| 473 |
|
|---|
| 474 |
|
|---|
| 475 | // testcase
|
|---|
| 476 |
|
|---|
| 477 | /* int main(int argc, char* argp)
|
|---|
| 478 | {
|
|---|
| 479 | HENUM henum;
|
|---|
| 480 | HWND hwndTop;
|
|---|
| 481 | HAB hab = WinInitialize(0);
|
|---|
| 482 | HMQ hmq = WinCreateMsgQueue(hab, 0);
|
|---|
| 483 | HPS hps = WinGetScreenPS(HWND_DESKTOP);
|
|---|
| 484 |
|
|---|
| 485 | anmPowerOff(hps);
|
|---|
| 486 |
|
|---|
| 487 | henum = WinBeginEnumWindows(HWND_DESKTOP);
|
|---|
| 488 | while ((hwndTop = WinGetNextWindow(henum)))
|
|---|
| 489 | if (WinIsWindowShowing(hwndTop))
|
|---|
| 490 | WinInvalidateRect(hwndTop, NULL, TRUE);
|
|---|
| 491 | WinEndEnumWindows(henum);
|
|---|
| 492 |
|
|---|
| 493 | WinShowPointer(HWND_DESKTOP, TRUE);
|
|---|
| 494 |
|
|---|
| 495 | WinDestroyMsgQueue(hmq);
|
|---|
| 496 | WinTerminate(hab);
|
|---|
| 497 |
|
|---|
| 498 | return 0;
|
|---|
| 499 | } */
|
|---|
