void ClearRectangleOnBackground(Bitmap *bitmap, int x, int y,
int width, int height)
{
if (DrawingOnBackground(x, y))
BlitBitmap(gfx.background_bitmap, bitmap, x, y, width, height, x, y);
else
ClearRectangle(bitmap, x, y, width, height);
}
void BlitBitmapOnBackground(Bitmap *src_bitmap, Bitmap *dst_bitmap,
int src_x, int src_y, int width, int height,
int dst_x, int dst_y)
{
if (DrawingOnBackground(dst_x, dst_y))
{
/* draw background */
BlitBitmap(gfx.background_bitmap, dst_bitmap, dst_x, dst_y, width, height,
dst_x, dst_y);
/* draw foreground */
SetClipOrigin(src_bitmap, src_bitmap->stored_clip_gc,
dst_x - src_x, dst_y - src_y);
BlitBitmapMasked(src_bitmap, dst_bitmap, src_x, src_y, width, height,
dst_x, dst_y);
}
else
BlitBitmap(src_bitmap, dst_bitmap, src_x, src_y, width, height,
dst_x, dst_y);
}
static void ScrollPlayfield(int dx, int dy)
{
int x1 = mScrollX_last / TILEX - 2;
int y1 = mScrollY_last / TILEY - 2;
int x2 = mScrollX_last / TILEX + (SCR_FIELDX - 1) + 2;
int y2 = mScrollY_last / TILEY + (SCR_FIELDY - 1) + 2;
int x, y;
BlitBitmap(bitmap_db_field_sp, bitmap_db_field_sp,
TILEX * (dx == -1),
TILEY * (dy == -1),
(MAX_BUF_XSIZE * TILEX) - TILEX * (dx != 0),
(MAX_BUF_YSIZE * TILEY) - TILEY * (dy != 0),
TILEX * (dx == 1),
TILEY * (dy == 1));
/* when scrolling the whole playfield, do not redraw single tiles */
for (x = 0; x < MAX_BUF_XSIZE; x++)
for (y = 0; y < MAX_BUF_YSIZE; y++)
redraw[x][y] = FALSE;
redraw_tiles = 0;
DrawFrameIfNeeded();
for (y = DisplayMinY; y <= DisplayMaxY; y++)
{
for (x = DisplayMinX; x <= DisplayMaxX; x++)
{
if (x >= x1 && x <= x2 && y >= y1 && y <= y2)
{
int sx = x - x1;
int sy = y - y1;
int tsi = GetSI(x, y);
long id = ((PlayField16[tsi]) |
(PlayField8[tsi] << 16) |
(DisPlayField[tsi] << 24));
if ((dx == -1 && x == x2) ||
(dx == +1 && x == x1) ||
(dy == -1 && y == y2) ||
(dy == +1 && y == y1))
{
DrawFieldNoAnimated(x, y);
DrawFieldAnimated(x, y);
}
ScreenBuffer[sx][sy] = id;
}
}
}
}
int GenericSLM::DisplayImage()
{
if (initialized_)
{
inversionStr_ = invert_ ? "On" : "Off" ;
BlitBitmap();
return DEVICE_OK;
}
else
{
SetErrorText(DEVICE_LOCALLY_DEFINED_ERROR, "SLM not active.");
return DEVICE_LOCALLY_DEFINED_ERROR;
}
}
void BackToFront_SP(void)
{
static boolean scrolling_last = FALSE;
int left = mScrollX / TILEX;
int top = mScrollY / TILEY;
boolean scrolling = (mScrollX % TILEX != 0 || mScrollY % TILEY != 0);
int x, y;
SyncDisplay();
if (1 ||
redraw_tiles > REDRAWTILES_THRESHOLD || scrolling || scrolling_last)
{
BlitScreenToBitmap_SP(window);
}
else
{
for (x = 0; x < SCR_FIELDX; x++)
{
for (y = 0; y < SCR_FIELDY; y++)
{
int xx = (left + x) % MAX_BUF_XSIZE;
int yy = (top + y) % MAX_BUF_YSIZE;
if (redraw[xx][yy])
BlitBitmap(bitmap_db_field_sp, window,
xx * TILEX, yy * TILEY, TILEX, TILEY,
SX + x * TILEX, SY + y * TILEY);
}
}
}
FlushDisplay();
for (x = 0; x < MAX_BUF_XSIZE; x++)
for (y = 0; y < MAX_BUF_YSIZE; y++)
redraw[x][y] = FALSE;
redraw_tiles = 0;
scrolling_last = scrolling;
}
void BlitScreenToBitmap_SP(Bitmap *target_bitmap)
{
int px = 2 * TILEX + (mScrollX - mScrollX_last) % TILEX;
int py = 2 * TILEY + (mScrollY - mScrollY_last) % TILEY;
int sx, sy, sxsize, sysize;
#if 0
printf("::: %d, %d / %d, %d / %ld, %ld (%ld, %ld) / %d, %d\n",
MurphyScreenXPos, MurphyScreenYPos,
ScreenScrollXPos, ScreenScrollYPos,
mScrollX, mScrollY,
mScrollX_last, mScrollY_last,
px, py);
#endif
int xsize = SXSIZE;
int ysize = SYSIZE;
int full_xsize = (FieldWidth - (menBorder ? 0 : 1)) * TILEX;
int full_ysize = (FieldHeight - (menBorder ? 0 : 1)) * TILEY;
sxsize = (full_xsize < xsize ? full_xsize : xsize);
sysize = (full_ysize < ysize ? full_ysize : ysize);
sx = SX + (full_xsize < xsize ? (xsize - full_xsize) / 2 : 0);
sy = SY + (full_ysize < ysize ? (ysize - full_ysize) / 2 : 0);
/* scroll correction for even number of visible tiles (half tile shifted) */
px += game_sp.scroll_xoffset;
py += game_sp.scroll_yoffset;
#if 1
if (ExplosionShakeMurphy != 0)
{
px += TILEX / 2 - GetSimpleRandom(TILEX + 1);
py += TILEY / 2 - GetSimpleRandom(TILEX + 1);
}
#endif
BlitBitmap(bitmap_db_field_sp, target_bitmap, px, py, sxsize, sysize, sx, sy);
}
static void Blt(int pX, int pY, Bitmap *bitmap, int SpriteX, int SpriteY)
{
int scx = (mScrollX_last < 0 ? 0 : mScrollX_last);
int scy = (mScrollY_last < 0 ? 0 : mScrollY_last);
int sx1 = scx - 2 * TILEX;
int sy1 = scy - 2 * TILEY;
int sx2 = scx + SXSIZE + 1 * TILEX;
int sy2 = scy + SYSIZE + 1 * TILEY;
int sx = pX - sx1;
int sy = pY - sy1;
if (NoDisplayFlag)
return;
/* do not draw fields that are outside the visible screen area */
if (pX < sx1 || pX > sx2 || pY < sy1 || pY > sy2)
return;
BlitBitmap(bitmap, bitmap_db_field_sp, SpriteX, SpriteY,
TILEX, TILEY, sx, sy);
}
static void DrawBitmapFromTile(Bitmap *bitmap, Bitmap *tile,
int dest_x, int dest_y, int width, int height)
{
int bitmap_xsize = width;
int bitmap_ysize = height;
int tile_xsize = tile->width;
int tile_ysize = tile->height;
int tile_xsteps = (bitmap_xsize + tile_xsize - 1) / tile_xsize;
int tile_ysteps = (bitmap_ysize + tile_ysize - 1) / tile_ysize;
int x, y;
for (y = 0; y < tile_ysteps; y++)
{
for (x = 0; x < tile_xsteps; x++)
{
int draw_x = dest_x + x * tile_xsize;
int draw_y = dest_y + y * tile_ysize;
int draw_xsize = MIN(tile_xsize, bitmap_xsize - x * tile_xsize);
int draw_ysize = MIN(tile_ysize, bitmap_ysize - y * tile_ysize);
BlitBitmap(tile, bitmap, 0, 0, draw_xsize, draw_ysize, draw_x, draw_y);
}
}
}
static void CreateScaledBitmaps(Bitmap *old_bitmap, int zoom_factor,
boolean create_small_bitmaps)
{
Bitmap swap_bitmap;
Bitmap *new_bitmap;
Bitmap *tmp_bitmap_1;
Bitmap *tmp_bitmap_2;
Bitmap *tmp_bitmap_4;
Bitmap *tmp_bitmap_8;
Bitmap *tmp_bitmap_16;
Bitmap *tmp_bitmap_32;
int width_1, height_1;
int width_2, height_2;
int width_4, height_4;
int width_8, height_8;
int width_16, height_16;
int width_32, height_32;
int new_width, new_height;
/* calculate new image dimensions for normal sized image */
width_1 = old_bitmap->width * zoom_factor;
height_1 = old_bitmap->height * zoom_factor;
/* get image with normal size (this might require scaling up) */
if (zoom_factor != 1)
tmp_bitmap_1 = ZoomBitmap(old_bitmap, width_1, height_1);
else
tmp_bitmap_1 = old_bitmap;
/* this is only needed to make compilers happy */
tmp_bitmap_2 = NULL;
tmp_bitmap_4 = NULL;
tmp_bitmap_8 = NULL;
tmp_bitmap_16 = NULL;
tmp_bitmap_32 = NULL;
if (create_small_bitmaps)
{
/* calculate new image dimensions for small images */
width_2 = width_1 / 2;
height_2 = height_1 / 2;
width_4 = width_1 / 4;
height_4 = height_1 / 4;
width_8 = width_1 / 8;
height_8 = height_1 / 8;
width_16 = width_1 / 16;
height_16 = height_1 / 16;
width_32 = width_1 / 32;
height_32 = height_1 / 32;
UPDATE_BUSY_STATE();
/* get image with 1/2 of normal size (for use in the level editor) */
if (zoom_factor != 2)
tmp_bitmap_2 = ZoomBitmap(tmp_bitmap_1, width_1 / 2, height_1 / 2);
else
tmp_bitmap_2 = old_bitmap;
UPDATE_BUSY_STATE();
/* get image with 1/4 of normal size (for use in the level editor) */
if (zoom_factor != 4)
tmp_bitmap_4 = ZoomBitmap(tmp_bitmap_2, width_2 / 2, height_2 / 2);
else
tmp_bitmap_4 = old_bitmap;
UPDATE_BUSY_STATE();
/* get image with 1/8 of normal size (for use on the preview screen) */
if (zoom_factor != 8)
tmp_bitmap_8 = ZoomBitmap(tmp_bitmap_4, width_4 / 2, height_4 / 2);
else
tmp_bitmap_8 = old_bitmap;
UPDATE_BUSY_STATE();
/* get image with 1/16 of normal size (for use on the preview screen) */
if (zoom_factor != 16)
tmp_bitmap_16 = ZoomBitmap(tmp_bitmap_8, width_8 / 2, height_8 / 2);
else
tmp_bitmap_16 = old_bitmap;
UPDATE_BUSY_STATE();
/* get image with 1/32 of normal size (for use on the preview screen) */
if (zoom_factor != 32)
tmp_bitmap_32 = ZoomBitmap(tmp_bitmap_16, width_16 / 2, height_16 / 2);
else
tmp_bitmap_32 = old_bitmap;
UPDATE_BUSY_STATE();
}
#if 0
/* if image was scaled up, create new clipmask for normal size image */
if (zoom_factor != 1)
{
#if defined(TARGET_X11)
if (old_bitmap->clip_mask)
XFreePixmap(display, old_bitmap->clip_mask);
old_bitmap->clip_mask =
Pixmap_to_Mask(tmp_bitmap_1->drawable, width_1, height_1);
XSetClipMask(display, old_bitmap->stored_clip_gc, old_bitmap->clip_mask);
#else
SDL_Surface *tmp_surface_1 = tmp_bitmap_1->surface;
if (old_bitmap->surface_masked)
SDL_FreeSurface(old_bitmap->surface_masked);
SDL_SetColorKey(tmp_surface_1, SDL_SRCCOLORKEY,
SDL_MapRGB(tmp_surface_1->format, 0x00, 0x00, 0x00));
if ((old_bitmap->surface_masked = SDL_DisplayFormat(tmp_surface_1)) ==NULL)
Error(ERR_EXIT, "SDL_DisplayFormat() failed");
SDL_SetColorKey(tmp_surface_1, 0, 0); /* reset transparent pixel */
#endif
}
#endif
if (create_small_bitmaps)
{
new_width = width_1;
new_height = height_1 + (height_1 + 1) / 2; /* prevent odd height */
new_bitmap = CreateBitmap(new_width, new_height, DEFAULT_DEPTH);
BlitBitmap(tmp_bitmap_1, new_bitmap, 0, 0, width_1, height_1, 0, 0);
BlitBitmap(tmp_bitmap_2, new_bitmap, 0, 0, width_1 / 2, height_1 / 2,
0, height_1);
BlitBitmap(tmp_bitmap_4, new_bitmap, 0, 0, width_1 / 4, height_1 / 4,
width_1 / 2, height_1);
BlitBitmap(tmp_bitmap_8, new_bitmap, 0, 0, width_1 / 8, height_1 / 8,
3 * width_1 / 4, height_1);
BlitBitmap(tmp_bitmap_16, new_bitmap, 0, 0, width_1 / 16, height_1 / 16,
7 * width_1 / 8, height_1);
BlitBitmap(tmp_bitmap_32, new_bitmap, 0, 0, width_1 / 32, height_1 / 32,
15 * width_1 / 16, height_1);
UPDATE_BUSY_STATE();
}
else
{
new_width = width_1;
new_height = height_1;
new_bitmap = tmp_bitmap_1; /* directly use tmp_bitmap_1 as new bitmap */
}
if (create_small_bitmaps)
{
/* if no small bitmaps created, tmp_bitmap_1 is used as new bitmap now */
if (zoom_factor != 1)
FreeBitmap(tmp_bitmap_1);
if (zoom_factor != 2)
FreeBitmap(tmp_bitmap_2);
if (zoom_factor != 4)
FreeBitmap(tmp_bitmap_4);
if (zoom_factor != 8)
FreeBitmap(tmp_bitmap_8);
if (zoom_factor != 16)
FreeBitmap(tmp_bitmap_16);
if (zoom_factor != 32)
FreeBitmap(tmp_bitmap_32);
}
/* replace image with extended image (containing 1/1, 1/2, 1/4, 1/8 size) */
#if defined(TARGET_SDL)
swap_bitmap.surface = old_bitmap->surface;
old_bitmap->surface = new_bitmap->surface;
new_bitmap->surface = swap_bitmap.surface;
#else
swap_bitmap.drawable = old_bitmap->drawable;
old_bitmap->drawable = new_bitmap->drawable;
new_bitmap->drawable = swap_bitmap.drawable;
#endif
old_bitmap->width = new_bitmap->width;
old_bitmap->height = new_bitmap->height;
#if 1
/* this replaces all blit masks created when loading -- maybe optimize this */
{
#if defined(TARGET_X11)
if (old_bitmap->clip_mask)
XFreePixmap(display, old_bitmap->clip_mask);
old_bitmap->clip_mask =
Pixmap_to_Mask(old_bitmap->drawable, new_width, new_height);
XSetClipMask(display, old_bitmap->stored_clip_gc, old_bitmap->clip_mask);
#else
SDL_Surface *old_surface = old_bitmap->surface;
if (old_bitmap->surface_masked)
SDL_FreeSurface(old_bitmap->surface_masked);
SDL_SetColorKey(old_surface, SDL_SRCCOLORKEY,
SDL_MapRGB(old_surface->format, 0x00, 0x00, 0x00));
if ((old_bitmap->surface_masked = SDL_DisplayFormat(old_surface)) ==NULL)
Error(ERR_EXIT, "SDL_DisplayFormat() failed");
SDL_SetColorKey(old_surface, 0, 0); /* reset transparent pixel */
#endif
}
#endif
UPDATE_BUSY_STATE();
FreeBitmap(new_bitmap); /* this actually frees the _old_ bitmap now */
}