Mercurial > hg > openttd

comparison src/screenshot.cpp @ 8249:f495acdca6b5 draft

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
(svn r11813) -Fix [FS#1602]: Switch _screen to the output buffer and disable usage of 32bpp-anim animation buffer during giant screenshots.
author frosch <frosch@openttd.org>
date Fri, 11 Jan 2008 17:12:41 +0000
parents 0e48dd14a0d8
children 7d580c9c41fb
comparison
equal deleted inserted replaced
8248:836273f128b5 8249:f495acdca6b5
486 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter(); 486 Blitter *blitter = BlitterFactoryBase::GetCurrentBlitter();
487 void *src = blitter->MoveTo(_screen.dst_ptr, 0, y); 487 void *src = blitter->MoveTo(_screen.dst_ptr, 0, y);
488 blitter->CopyImageToBuffer(src, buf, _screen.width, n, pitch); 488 blitter->CopyImageToBuffer(src, buf, _screen.width, n, pitch);
489 } 489 }
490 490
491 /* generate a large piece of the world */ 491 /** generate a large piece of the world
492 * @param userdata Viewport area to draw
493 * @param buf Videobuffer with same bitdepth as current blitter
494 * @param y First line to render
495 * @param pitch Pitch of the videobuffer
496 * @param n Number of lines to render
497 */
492 static void LargeWorldCallback(void *userdata, void *buf, uint y, uint pitch, uint n) 498 static void LargeWorldCallback(void *userdata, void *buf, uint y, uint pitch, uint n)
493 { 499 {
494 ViewPort *vp = (ViewPort *)userdata; 500 ViewPort *vp = (ViewPort *)userdata;
495 DrawPixelInfo dpi, *old_dpi; 501 DrawPixelInfo dpi, *old_dpi;
496 int wx, left; 502 int wx, left;
503
504 /* We are no longer rendering to the screen */
505 DrawPixelInfo old_screen = _screen;
506 bool old_disable_anim = _screen_disable_anim;
507
508 _screen.dst_ptr = buf;
509 _screen.width = pitch;
510 _screen.height = n;
511 _screen.pitch = pitch;
512 _screen_disable_anim = true;
497 513
498 old_dpi = _cur_dpi; 514 old_dpi = _cur_dpi;
499 _cur_dpi = &dpi; 515 _cur_dpi = &dpi;
500 516
501 dpi.dst_ptr = buf; 517 dpi.dst_ptr = buf;
504 dpi.pitch = pitch; 520 dpi.pitch = pitch;
505 dpi.zoom = ZOOM_LVL_WORLD_SCREENSHOT; 521 dpi.zoom = ZOOM_LVL_WORLD_SCREENSHOT;
506 dpi.left = 0; 522 dpi.left = 0;
507 dpi.top = y; 523 dpi.top = y;
508 524
525 /* Render viewport in blocks of 1600 pixels width */
509 left = 0; 526 left = 0;
510 while (vp->width - left != 0) { 527 while (vp->width - left != 0) {
511 wx = min(vp->width - left, 1600); 528 wx = min(vp->width - left, 1600);
512 left += wx; 529 left += wx;
513 530
518 ScaleByZoom((y + n) - vp->top, vp->zoom) + vp->virtual_top 535 ScaleByZoom((y + n) - vp->top, vp->zoom) + vp->virtual_top
519 ); 536 );
520 } 537 }
521 538
522 _cur_dpi = old_dpi; 539 _cur_dpi = old_dpi;
540
541 /* Switch back to rendering to the screen */
542 _screen = old_screen;
543 _screen_disable_anim = old_disable_anim;
523 } 544 }
524 545
525 static char *MakeScreenshotName(const char *ext) 546 static char *MakeScreenshotName(const char *ext)
526 { 547 {
527 static char filename[MAX_PATH]; 548 static char filename[MAX_PATH];