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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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37
src/video/gem/SDL_gemvideo.c
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@ -639,28 +639,25 @@ SDL_Surface *
GEM_SetVideoMode(_THIS, SDL_Surface * current,
int width, int height, int bpp, Uint32 flags)
{
int maxwidth, maxheight;
Uint32 modeflags, screensize;
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() */
if ((width & 15) != 0) {
width = (width | 15) + 1;
}
if ((maxwidth < width) || (maxheight < height) || (VDI_bpp != bpp)) {
SDL_SetError("Couldn't find requested mode in list");
return (NULL);
/*--- Verify if asked mode can be used ---*/
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);
}
}
/*--- Allocate the new pixel format for the screen ---*/
@ -775,8 +772,16 @@ GEM_SetVideoMode(_THIS, SDL_Surface * current,
}
/* Center window */
x2 = GEM_desk_x + ((GEM_desk_w - w2) >> 1);
y2 = GEM_desk_y + ((GEM_desk_h - h2) >> 1);
x2 = (GEM_desk_w - w2) >> 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 */
if (GEM_handle >= 0) {