inline void SDLInitVideoDisplay(void)
{
+ putenv("SDL_VIDEO_CENTERED=1");
+
/* initialize SDL video */
if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0)
Error(ERR_EXIT, "SDL_InitSubSystem() failed: %s", SDL_GetError());
return success;
}
+inline void SDLCreateBitmapContent(Bitmap *new_bitmap,
+ int width, int height, int depth)
+{
+ SDL_Surface *surface_tmp, *surface_native;
+
+ if ((surface_tmp = SDL_CreateRGBSurface(SURFACE_FLAGS, width, height, depth,
+ 0, 0, 0, 0))
+ == NULL)
+ Error(ERR_EXIT, "SDL_CreateRGBSurface() failed: %s", SDL_GetError());
+
+ if ((surface_native = SDL_DisplayFormat(surface_tmp)) == NULL)
+ Error(ERR_EXIT, "SDL_DisplayFormat() failed: %s", SDL_GetError());
+
+ SDL_FreeSurface(surface_tmp);
+
+ new_bitmap->surface = surface_native;
+}
+
+inline void SDLFreeBitmapPointers(Bitmap *bitmap)
+{
+ if (bitmap->surface)
+ SDL_FreeSurface(bitmap->surface);
+ if (bitmap->surface_masked)
+ SDL_FreeSurface(bitmap->surface_masked);
+ bitmap->surface = NULL;
+ bitmap->surface_masked = NULL;
+}
+
inline void SDLCopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap,
int src_x, int src_y,
int width, int height,
- int dst_x, int dst_y, int copy_mode)
+ int dst_x, int dst_y, int mask_mode)
{
Bitmap *real_dst_bitmap = (dst_bitmap == window ? backbuffer : dst_bitmap);
SDL_Rect src_rect, dst_rect;
dst_rect.h = height;
if (src_bitmap != backbuffer || dst_bitmap != window)
- SDL_BlitSurface((copy_mode == SDLCOPYAREA_MASKED ?
+ SDL_BlitSurface((mask_mode == BLIT_MASKED ?
src_bitmap->surface_masked : src_bitmap->surface),
&src_rect, real_dst_bitmap->surface, &dst_rect);
}
inline void SDLFillRectangle(Bitmap *dst_bitmap, int x, int y,
- int width, int height, unsigned int color)
+ int width, int height, Uint32 color)
{
Bitmap *real_dst_bitmap = (dst_bitmap == window ? backbuffer : dst_bitmap);
SDL_Rect rect;
- unsigned int color_r = (color >> 16) && 0xff;
- unsigned int color_g = (color >> 8) && 0xff;
- unsigned int color_b = (color >> 0) && 0xff;
+#if 0
+ unsigned int color_r = (color >> 16) & 0xff;
+ unsigned int color_g = (color >> 8) & 0xff;
+ unsigned int color_b = (color >> 0) & 0xff;
+#endif
#ifdef FULLSCREEN_BUG
if (dst_bitmap == backbuffer || dst_bitmap == window)
rect.w = width;
rect.h = height;
+#if 1
+ SDL_FillRect(real_dst_bitmap->surface, &rect, color);
+#else
SDL_FillRect(real_dst_bitmap->surface, &rect,
SDL_MapRGB(real_dst_bitmap->surface->format,
color_r, color_g, color_b));
+#endif
if (dst_bitmap == window)
SDL_UpdateRect(backbuffer->surface, x, y, width, height);
}
inline void SDLDrawSimpleLine(Bitmap *dst_bitmap, int from_x, int from_y,
- int to_x, int to_y, unsigned int color)
+ int to_x, int to_y, Uint32 color)
{
SDL_Surface *surface = dst_bitmap->surface;
SDL_Rect rect;
+#if 0
unsigned int color_r = (color >> 16) & 0xff;
unsigned int color_g = (color >> 8) & 0xff;
unsigned int color_b = (color >> 0) & 0xff;
+#endif
if (from_x > to_x)
swap_numbers(&from_x, &to_x);
}
#endif
+#if 1
+ SDL_FillRect(surface, &rect, color);
+#else
SDL_FillRect(surface, &rect,
SDL_MapRGB(surface->format, color_r, color_g, color_b));
+#endif
}
inline void SDLDrawLine(Bitmap *dst_bitmap, int from_x, int from_y,
}
void sge_PutPixelRGB(SDL_Surface *surface, Sint16 x, Sint16 y,
- Uint8 R, Uint8 G, Uint8 B)
+ Uint8 r, Uint8 g, Uint8 b)
{
- sge_PutPixel(surface, x, y, SDL_MapRGB(surface->format, R, G, B));
+ sge_PutPixel(surface, x, y, SDL_MapRGB(surface->format, r, g, b));
}
Sint32 sge_CalcYPitch(SDL_Surface *dest, Sint16 y)
}
+/*
+ -----------------------------------------------------------------------------
+ quick (no, it's slow) and dirty hack to "invert" rectangle inside SDL surface
+ -----------------------------------------------------------------------------
+*/
+
+inline void SDLInvertArea(Bitmap *bitmap, int src_x, int src_y,
+ int width, int height, Uint32 color)
+{
+ SDL_Surface *surface = bitmap->surface;
+ int x, y;
+
+ for (y=src_y; y < src_y + height; y++)
+ {
+ for (x=src_x; x < src_x + width; x++)
+ {
+ Uint32 pixel = SDLGetPixel(bitmap, x, y);
+
+ sge_PutPixel(surface, x, y, pixel == BLACK_PIXEL ? color : BLACK_PIXEL);
+ }
+ }
+}
+
+
/* ========================================================================= */
/* The following functions were taken from the SDL_gfx library version 2.0.3 */
/* (Rotozoomer) by Andreas Schiffler */
void SDLZoomBitmap(Bitmap *src_bitmap, Bitmap *dst_bitmap)
{
+ SDL_Surface *sdl_surface_tmp;
int dst_width = dst_bitmap->width;
int dst_height = dst_bitmap->height;
+ /* throw away old destination surface */
SDL_FreeSurface(dst_bitmap->surface);
- dst_bitmap->surface = zoomSurface(src_bitmap->surface, dst_width,dst_height);
+ /* create zoomed temporary surface from source surface */
+ sdl_surface_tmp = zoomSurface(src_bitmap->surface, dst_width, dst_height);
+
+ /* create native format destination surface from zoomed temporary surface */
+ dst_bitmap->surface = SDL_DisplayFormat(sdl_surface_tmp);
+
+ /* free temporary surface */
+ SDL_FreeSurface(sdl_surface_tmp);
}
}
+/* ------------------------------------------------------------------------- */
+/* custom cursor fuctions */
+/* ------------------------------------------------------------------------- */
+
+static SDL_Cursor *create_cursor(struct MouseCursorInfo *cursor_info)
+{
+ return SDL_CreateCursor(cursor_info->data, cursor_info->mask,
+ cursor_info->width, cursor_info->height,
+ cursor_info->hot_x, cursor_info->hot_y);
+}
+
+void SDLSetMouseCursor(struct MouseCursorInfo *cursor_info)
+{
+ static struct MouseCursorInfo *last_cursor_info = NULL;
+ static SDL_Cursor *cursor_default = NULL;
+ static SDL_Cursor *cursor_current = NULL;
+
+ if (cursor_default == NULL)
+ cursor_default = SDL_GetCursor();
+
+ if (cursor_info != NULL && cursor_info != last_cursor_info)
+ {
+ cursor_current = create_cursor(cursor_info);
+ last_cursor_info = cursor_info;
+ }
+
+ SDL_SetCursor(cursor_info ? cursor_current : cursor_default);
+}
+
+
/* ========================================================================= */
/* audio functions */
/* ========================================================================= */
inline void SDLOpenAudio(void)
{
+ if (strcmp(setup.system.sdl_audiodriver, ARG_DEFAULT) != 0)
+ putenv(getStringCat2("SDL_AUDIODRIVER=", setup.system.sdl_audiodriver));
+
if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0)
{
Error(ERR_WARN, "SDL_InitSubSystem() failed: %s", SDL_GetError());
if (Mix_OpenAudio(DEFAULT_AUDIO_SAMPLE_RATE, MIX_DEFAULT_FORMAT,
AUDIO_NUM_CHANNELS_STEREO,
- DEFAULT_AUDIO_FRAGMENT_SIZE) < 0)
+ setup.system.audio_fragment_size) < 0)
{
Error(ERR_WARN, "Mix_OpenAudio() failed: %s", SDL_GetError());
return;
projects / rocksndiamonds.git / blobdiff