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Allow creation of window bigger than visible size

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%402319
This commit is contained in:
Patrice Mandin 2007-05-27 08:54:38 +00:00
parent 653e2b0def
commit b9b86fb09d
1 changed files with 21 additions and 16 deletions
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35
src/video/gem/SDL_gemvideo.c
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@ -639,29 +639,26 @@ SDL_Surface *
GEM_SetVideoMode(_THIS, SDL_Surface * current, GEM_SetVideoMode(_THIS, SDL_Surface * current,
int width, int height, int bpp, Uint32 flags) int width, int height, int bpp, Uint32 flags)
{ {
int maxwidth, maxheight;
Uint32 modeflags, screensize; Uint32 modeflags, screensize;
SDL_bool use_shadow1, use_shadow2; SDL_bool use_shadow1, use_shadow2;
/*--- Verify if asked mode can be used ---*/
if (flags & SDL_FULLSCREEN) {
maxwidth = VDI_w;
maxheight = VDI_h;
} else {
/* Windowed mode */
maxwidth = GEM_desk_w;
maxheight = GEM_desk_h;
}
/* width must be multiple of 16, for vro_cpyfm() and c2p_convert() */ /* width must be multiple of 16, for vro_cpyfm() and c2p_convert() */
if ((width & 15) != 0) { if ((width & 15) != 0) {
width = (width | 15) + 1; width = (width | 15) + 1;
} }
if ((maxwidth < width) || (maxheight < height) || (VDI_bpp != bpp)) { /*--- Verify if asked mode can be used ---*/
SDL_SetError("Couldn't find requested mode in list"); if (VDI_bpp != bpp) {
SDL_SetError("%d bpp mode not supported", bpp);
return(NULL);
}
if (flags & SDL_FULLSCREEN) {
if ((VDI_w < width) || (VDI_h < height)) {
SDL_SetError("%dx%d mode is too large", width, height);
return (NULL); return (NULL);
} }
}
/*--- Allocate the new pixel format for the screen ---*/ /*--- Allocate the new pixel format for the screen ---*/
if (!SDL_ReallocFormat if (!SDL_ReallocFormat
@ -775,8 +772,16 @@ GEM_SetVideoMode(_THIS, SDL_Surface * current,
} }
/* Center window */ /* Center window */
x2 = GEM_desk_x + ((GEM_desk_w - w2) >> 1); x2 = (GEM_desk_w - w2) >> 1;
y2 = GEM_desk_y + ((GEM_desk_h - h2) >> 1); y2 = (GEM_desk_h - h2) >> 1;
if (x2<0) {
x2 = 0;
}
if (y2<0) {
y2 = 0;
}
x2 += GEM_desk_x;
y2 += GEM_desk_y;
/* Destroy existing window */ /* Destroy existing window */
if (GEM_handle >= 0) { if (GEM_handle >= 0) {