Mercurial > sdl-ios-xcode

comparison src/video/gem/SDL_gemvideo.c @ 3944:d59dacd36696 SDL-1.2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Allow creation of window bigger than visible size
author Patrice Mandin <patmandin@gmail.com>
date Sun, 27 May 2007 08:53:48 +0000
parents 1d9cd0ff67cc
children a1b03ba2fcd0
comparison
equal deleted inserted replaced
3943:1d9cd0ff67cc 3944:d59dacd36696
619 } 619 }
620 620
621 SDL_Surface *GEM_SetVideoMode(_THIS, SDL_Surface *current, 621 SDL_Surface *GEM_SetVideoMode(_THIS, SDL_Surface *current,
622 int width, int height, int bpp, Uint32 flags) 622 int width, int height, int bpp, Uint32 flags)
623 { 623 {
624 int maxwidth, maxheight;
625 Uint32 modeflags, screensize; 624 Uint32 modeflags, screensize;
626 SDL_bool use_shadow1, use_shadow2; 625 SDL_bool use_shadow1, use_shadow2;
627
628 /*--- Verify if asked mode can be used ---*/
629 if (flags & SDL_FULLSCREEN) {
630 maxwidth=VDI_w;
631 maxheight=VDI_h;
632 } else {
633 /* Windowed mode */
634 maxwidth=GEM_desk_w;
635 maxheight=GEM_desk_h;
636 }
637 626
638 /* width must be multiple of 16, for vro_cpyfm() and c2p_convert() */ 627 /* width must be multiple of 16, for vro_cpyfm() and c2p_convert() */
639 if ((width & 15) != 0) { 628 if ((width & 15) != 0) {
640 width = (width | 15) +1; 629 width = (width | 15) +1;
641 } 630 }
642 631
643 if ((maxwidth < width) || (maxheight < height) || (VDI_bpp != bpp)) { 632 /*--- Verify if asked mode can be used ---*/
644 SDL_SetError("Couldn't find requested mode in list"); 633 if (VDI_bpp != bpp) {
634 SDL_SetError("%d bpp mode not supported", bpp);
645 return(NULL); 635 return(NULL);
636 }
637
638 if (flags & SDL_FULLSCREEN) {
639 if ((VDI_w < width) || (VDI_h < height)) {
640 SDL_SetError("%dx%d mode is too large", width, height);
641 return(NULL);
642 }
646 } 643 }
647 644
648 /*--- Allocate the new pixel format for the screen ---*/ 645 /*--- Allocate the new pixel format for the screen ---*/
649 if ( ! SDL_ReallocFormat(current, VDI_bpp, VDI_redmask, VDI_greenmask, VDI_bluemask, VDI_alphamask) ) { 646 if ( ! SDL_ReallocFormat(current, VDI_bpp, VDI_redmask, VDI_greenmask, VDI_bluemask, VDI_alphamask) ) {
650 SDL_SetError("Couldn't allocate new pixel format for requested mode"); 647 SDL_SetError("Couldn't allocate new pixel format for requested mode");
748 SDL_SetError("Can not calculate window attributes"); 745 SDL_SetError("Can not calculate window attributes");
749 return NULL; 746 return NULL;
750 } 747 }
751 748
752 /* Center window */ 749 /* Center window */
753 x2 = GEM_desk_x+((GEM_desk_w-w2)>>1); 750 x2 = (GEM_desk_w-w2)>>1;
754 y2 = GEM_desk_y+((GEM_desk_h-h2)>>1); 751 y2 = (GEM_desk_h-h2)>>1;
752 if (x2<0) {
753 x2 = 0;
754 }
755 if (y2<0) {
756 y2 = 0;
757 }
758 x2 += GEM_desk_x;
759 y2 += GEM_desk_y;
755 760
756 /* Destroy existing window */ 761 /* Destroy existing window */
757 if (GEM_handle >= 0) { 762 if (GEM_handle >= 0) {
758 wind_close(GEM_handle); 763 wind_close(GEM_handle);
759 wind_delete(GEM_handle); 764 wind_delete(GEM_handle);