Mercurial > sdl-ios-xcode
view src/video/nanox/SDL_nximage.c @ 1505:4d005dfbb7f5
Fixed bug #139
The text in SDL_WM_SetCaption() is in UTF-8 encoding.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Mon, 13 Mar 2006 01:33:58 +0000 |
parents | d910939febfa |
children | 782fd950bd46 c121d94672cb a1b03ba2fcd0 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2004 Sam Lantinga Copyright (C) 2001 Hsieh-Fu Tsai Copyright (C) 2002 Greg Haerr <greg@censoft.com> This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga slouken@libsdl.org Hsieh-Fu Tsai clare@setabox.com */ #include "SDL_config.h" #include "SDL_nximage_c.h" void NX_NormalUpdate (_THIS, int numrects, SDL_Rect * rects) { int i, j, xinc, yinc, destinc, rowinc ; int x, y, w, h ; unsigned char * src = NULL, * dest = NULL ; Dprintf ("enter NX_NormalUpdate\n") ; /* These are the values for the incoming image */ xinc = this -> screen -> format -> BytesPerPixel ; yinc = this -> screen -> pitch ; for (i = 0; i < numrects; ++ i) { x = rects [i].x, y = rects [i].y ; w = rects [i].w, h = rects [i].h ; src = SDL_Image + y * yinc + x * xinc ; #ifdef ENABLE_NANOX_DIRECT_FB if (Clientfb) { if (currently_fullscreen) dest = fbinfo.winpixels + (((y+OffsetY) * fbinfo.pitch) + ((x+OffsetX) * fbinfo.bytespp)); else dest = fbinfo.winpixels + ((y * fbinfo.pitch) + (x * fbinfo.bytespp)); destinc = fbinfo.pitch; } else #endif { dest = Image_buff ; destinc = w * xinc ; } rowinc = w * xinc; // apply GammaRamp table if ((pixel_type == MWPF_TRUECOLOR0888 || pixel_type == MWPF_TRUECOLOR888) && GammaRamp_R && GammaRamp_G && GammaRamp_B) { Uint8 * ptrsrc ; Uint8 * ptrdst ; int k ; for (j = h; j > 0; -- j, src += yinc, dest += destinc) { ptrsrc = src ; ptrdst = dest ; for (k = w; k > 0; -- k) { *ptrdst++ = GammaRamp_B [*ptrsrc++] >> 8; *ptrdst++ = GammaRamp_G [*ptrsrc++] >> 8; *ptrdst++ = GammaRamp_R [*ptrsrc++] >> 8; *ptrdst++ = 0; ++ptrsrc; } } } #if 1 /* This is needed for microwindows 0.90 or older */ else if (pixel_type == MWPF_TRUECOLOR0888 || pixel_type == MWPF_TRUECOLOR888) { Uint8 * ptrsrc ; Uint8 * ptrdst ; int k ; for (j = h; j > 0; -- j, src += yinc, dest += destinc) { ptrsrc = src ; ptrdst = dest ; for (k = w; k > 0; -- k) { *ptrdst++ = *ptrsrc++; *ptrdst++ = *ptrsrc++; *ptrdst++ = *ptrsrc++; *ptrdst++ = 0; ++ptrsrc; } } } #endif else { for (j = h; j > 0; -- j, src += yinc, dest += destinc) SDL_memcpy (dest, src, rowinc) ; } if (!Clientfb) { if (currently_fullscreen) { GrArea (FSwindow, SDL_GC, x + OffsetX, y + OffsetY, w, h, Image_buff, pixel_type) ; } else { GrArea (SDL_Window, SDL_GC, x, y, w, h, Image_buff, pixel_type) ; } } } GrFlush(); Dprintf ("leave NX_NormalUpdate\n") ; } int NX_SetupImage (_THIS, SDL_Surface * screen) { int size = screen -> h * screen -> pitch ; Dprintf ("enter NX_SetupImage\n") ; screen -> pixels = (void *) SDL_malloc (size) ; if (!Clientfb) { Image_buff = (unsigned char *) SDL_malloc (size) ; if (screen -> pixels == NULL || Image_buff == NULL) { SDL_free (screen -> pixels) ; SDL_free (Image_buff) ; SDL_OutOfMemory () ; return -1 ; } } SDL_Image = (unsigned char *) screen -> pixels ; this -> UpdateRects = NX_NormalUpdate ; Dprintf ("leave NX_SetupImage\n") ; return 0 ; } void NX_DestroyImage (_THIS, SDL_Surface * screen) { Dprintf ("enter NX_DestroyImage\n") ; if (SDL_Image) SDL_free (SDL_Image) ; if (Image_buff) SDL_free (Image_buff) ; if (screen) screen -> pixels = NULL ; Dprintf ("leave NX_DestroyImage\n") ; } int NX_ResizeImage (_THIS, SDL_Surface * screen, Uint32 flags) { int retval ; GR_SCREEN_INFO si ; Dprintf ("enter NX_ResizeImage\n") ; NX_DestroyImage (this, screen) ; retval = NX_SetupImage (this, screen) ; GrGetScreenInfo (& si) ; OffsetX = (si.cols - screen -> w) / 2 ; OffsetY = (si.rows - screen -> h) / 2 ; #ifdef ENABLE_NANOX_DIRECT_FB if (Clientfb) { /* Get current window position and fb pointer*/ if (currently_fullscreen) GrGetWindowFBInfo(FSwindow, &fbinfo); else GrGetWindowFBInfo(SDL_Window, &fbinfo); } #endif Dprintf ("leave NX_ResizeImage\n") ; return retval ; } void NX_RefreshDisplay (_THIS) { Dprintf ("enter NX_RefreshDisplay\n") ; // Don't refresh a display that doesn't have an image (like GL) if (! SDL_Image) { return; } #ifdef ENABLE_NANOX_DIRECT_FB if (Clientfb) { int j; char *src, *dest = NULL; int xinc, yinc, rowinc; GrGetWindowFBInfo(SDL_Window, &fbinfo); xinc = this -> screen -> format -> BytesPerPixel ; yinc = this -> screen -> pitch ; src = SDL_Image; if (currently_fullscreen) dest = fbinfo.winpixels + ((OffsetY * fbinfo.pitch) + (OffsetX * fbinfo.bytespp)); else dest = fbinfo.winpixels; rowinc = xinc * this -> screen -> w; for (j = this -> screen -> h; j > 0; -- j, src += yinc, dest += fbinfo.pitch) SDL_memcpy (dest, src, rowinc) ; } else #endif { if (currently_fullscreen) { GrArea (FSwindow, SDL_GC, OffsetX, OffsetY, this -> screen -> w, this -> screen -> h, SDL_Image, pixel_type) ; } else { GrArea (SDL_Window, SDL_GC, 0, 0, this -> screen -> w, this -> screen -> h, SDL_Image, pixel_type) ; } } GrFlush(); Dprintf ("leave NX_RefreshDisplay\n") ; }