/* functions from SGE library */
inline void sge_Line(SDL_Surface *, Sint16, Sint16, Sint16, Sint16, Uint32);
-#ifdef PLATFORM_WIN32
+/* #ifdef PLATFORM_WIN32 */
#define FULLSCREEN_BUG
-#endif
+/* #endif */
/* stuff needed to work around SDL/Windows fullscreen drawing bug */
static int fullscreen_width;
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,
}
#endif
-inline Pixel SDLGetPixel(Bitmap *dst_bitmap, int x, int y)
+inline Pixel SDLGetPixel(Bitmap *src_bitmap, int x, int y)
{
- SDL_Surface *surface = dst_bitmap->surface;
+ SDL_Surface *surface = src_bitmap->surface;
#ifdef FULLSCREEN_BUG
- if (dst_bitmap == backbuffer || dst_bitmap == window)
+ if (src_bitmap == backbuffer || src_bitmap == window)
{
x += video_xoffset;
y += video_yoffset;
}
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)
sge_Line(Surface, x1, y1, x2, y2, SDL_MapRGB(Surface->format, R, G, B));
}
+inline void SDLPutPixel(Bitmap *dst_bitmap, int x, int y, Pixel pixel)
+{
+#ifdef FULLSCREEN_BUG
+ if (dst_bitmap == backbuffer || dst_bitmap == window)
+ {
+ x += video_xoffset;
+ y += video_yoffset;
+ }
+#endif
+
+ sge_PutPixel(dst_bitmap->surface, x, y, pixel);
+}
+
+
+/*
+ -----------------------------------------------------------------------------
+ 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)
+{
+ 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);
+
+ SDLPutPixel(bitmap, x, y, pixel == BLACK_PIXEL ? color : BLACK_PIXEL);
+ }
+ }
+}
+
+inline void SDLCopyInverseMasked(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y)
+{
+ int x, y;
+
+ for (y=0; y < height; y++)
+ {
+ for (x=0; x < width; x++)
+ {
+ Uint32 pixel = SDLGetPixel(src_bitmap, src_x + x, src_y + y);
+
+ if (pixel != BLACK_PIXEL)
+ SDLPutPixel(dst_bitmap, dst_x + x, dst_y + y, BLACK_PIXEL);
+ }
+ }
+}
+
/* ========================================================================= */
/* The following functions were taken from the SDL_gfx library version 2.0.3 */
/* http://www.ferzkopp.net/Software/SDL_gfx-2.0/index.html */
/* ========================================================================= */
-typedef struct
-{
- Uint8 r;
- Uint8 g;
- Uint8 b;
- Uint8 a;
-} tColorRGBA;
-
/*
-----------------------------------------------------------------------------
32 bit zoomer
-----------------------------------------------------------------------------
*/
+typedef struct
+{
+ Uint8 r;
+ Uint8 g;
+ Uint8 b;
+ Uint8 a;
+} tColorRGBA;
+
int zoomSurfaceRGBA(SDL_Surface *src, SDL_Surface *dst)
{
int x, y, sx, sy, *sax, *say, *csax, *csay, csx, csy;
-----------------------------------------------------------------------------
*/
-void zoomSurfaceSize(int width, int height, float zoom_x, float zoom_y,
- int *dst_width, int *dst_height)
-{
- const float value_limit = 0.001;
-
- /* sanity check zoom factors */
- if (zoom_x < value_limit)
- zoom_x = value_limit;
- if (zoom_y < value_limit)
- zoom_y = value_limit;
-
- /* calculate target size */
- *dst_width = (int) ((float) width * zoom_x);
- *dst_height = (int) ((float) height * zoom_y);
-
- if (*dst_width < 1)
- *dst_width = 1;
- if (*dst_height < 1)
- *dst_height = 1;
-}
-
-SDL_Surface *zoomSurface(SDL_Surface *src, float zoom_x, float zoom_y)
+SDL_Surface *zoomSurface(SDL_Surface *src, int dst_width, int dst_height)
{
SDL_Surface *zoom_src = NULL;
SDL_Surface *zoom_dst = NULL;
- int dst_width, dst_height;
boolean is_converted = FALSE;
boolean is_32bit;
int i;
is_converted = TRUE;
}
- /* get size of destination surface */
- zoomSurfaceSize(zoom_src->w, zoom_src->h, zoom_x, zoom_y,
- &dst_width, &dst_height);
-
/* allocate surface to completely contain the zoomed surface */
if (is_32bit)
{
return zoom_dst;
}
-SDL_Surface *SDLZoomSurface(SDL_Surface *src, float zoom_x, float zoom_y)
+void SDLZoomBitmap(Bitmap *src_bitmap, Bitmap *dst_bitmap)
{
- return zoomSurface(src, zoom_x, zoom_y);
+ 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);
+
+ /* 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;
}
else if (event->type == EVENT_MOTIONNOTIFY)
{
- if (((ButtonEvent *)event)->x > video_xoffset)
- ((ButtonEvent *)event)->x -= video_xoffset;
+ if (((MotionEvent *)event)->x > video_xoffset)
+ ((MotionEvent *)event)->x -= video_xoffset;
else
- ((ButtonEvent *)event)->x = 0;
- if (((ButtonEvent *)event)->y > video_yoffset)
- ((ButtonEvent *)event)->y -= video_yoffset;
+ ((MotionEvent *)event)->x = 0;
+ if (((MotionEvent *)event)->y > video_yoffset)
+ ((MotionEvent *)event)->y -= video_yoffset;
else
- ((ButtonEvent *)event)->y = 0;
+ ((MotionEvent *)event)->y = 0;
}
#endif
}
projects / rocksndiamonds.git / blobdiff