void Frame::drawMatteSprite(Graphics::ManagedSurface &target, const Graphics::Surface &sprite, Common::Rect &drawRect) {
// Like background trans, but all white pixels NOT ENCLOSED by coloured pixels are transparent
Graphics::Surface tmp;
tmp.copyFrom(sprite);
// Searching white color in the corners
int whiteColor = -1;
for (int corner = 0; corner < 4; corner++) {
int x = (corner & 0x1) ? tmp.w - 1 : 0;
int y = (corner & 0x2) ? tmp.h - 1 : 0;
byte color = *(byte *)tmp.getBasePtr(x, y);
if (_vm->getPalette()[color * 3 + 0] == 0xff &&
_vm->getPalette()[color * 3 + 1] == 0xff &&
_vm->getPalette()[color * 3 + 2] == 0xff) {
whiteColor = color;
break;
}
}
if (whiteColor == -1) {
debugC(1, kDebugImages, "No white color for Matte image");
for (int yy = 0; yy < tmp.h; yy++) {
const byte *src = (const byte *)tmp.getBasePtr(0, yy);
byte *dst = (byte *)target.getBasePtr(drawRect.left, drawRect.top + yy);
for (int xx = 0; xx < drawRect.width(); xx++, src++, dst++)
*dst = *src;
}
} else {
Graphics::FloodFill ff(&tmp, whiteColor, 0, true);
for (int yy = 0; yy < tmp.h; yy++) {
ff.addSeed(0, yy);
ff.addSeed(tmp.w - 1, yy);
}
for (int xx = 0; xx < tmp.w; xx++) {
ff.addSeed(xx, 0);
ff.addSeed(xx, tmp.h - 1);
}
ff.fillMask();
for (int yy = 0; yy < tmp.h; yy++) {
const byte *src = (const byte *)tmp.getBasePtr(0, yy);
const byte *mask = (const byte *)ff.getMask()->getBasePtr(0, yy);
byte *dst = (byte *)target.getBasePtr(drawRect.left, drawRect.top + yy);
for (int xx = 0; xx < drawRect.width(); xx++, src++, dst++, mask++)
if (*mask == 0)
*dst = *src;
}
}
tmp.free();
}
static void drawPixelInverted(int x, int y, int color, void *data) {
Graphics::ManagedSurface *surface = (Graphics::ManagedSurface *)data;
if (x >= 0 && x < surface->w && y >= 0 && y < surface->h) {
byte *p = (byte *)surface->getBasePtr(x, y);
*p = *p == kColorWhite ? kColorBlack : kColorWhite;
}
}
void Frame::drawGhostSprite(Graphics::ManagedSurface &target, const Graphics::Surface &sprite, Common::Rect &drawRect) {
uint8 skipColor = _vm->getPaletteColorCount() - 1;
for (int ii = 0; ii < sprite.h; ii++) {
const byte *src = (const byte *)sprite.getBasePtr(0, ii);
byte *dst = (byte *)target.getBasePtr(drawRect.left, drawRect.top + ii);
for (int j = 0; j < drawRect.width(); j++) {
if ((getSpriteIDFromPos(Common::Point(drawRect.left + j, drawRect.top + ii)) != 0) && (*src != skipColor))
*dst = (_vm->getPaletteColorCount() - 1) - *src; //Oposite color
src++;
dst++;
}
}
}
void Frame::drawBackgndTransSprite(Graphics::ManagedSurface &target, const Graphics::Surface &sprite, Common::Rect &drawRect) {
uint8 skipColor = _vm->getPaletteColorCount() - 1; //FIXME is it always white (last entry in pallette) ?
for (int ii = 0; ii < sprite.h; ii++) {
const byte *src = (const byte *)sprite.getBasePtr(0, ii);
byte *dst = (byte *)target.getBasePtr(drawRect.left, drawRect.top + ii);
for (int j = 0; j < drawRect.width(); j++) {
if (*src != skipColor)
*dst = *src;
src++;
dst++;
}
}
}
void AVISurface::copyMovieFrame(const Graphics::Surface &src, Graphics::ManagedSurface &dest) {
// WORKAROUND: Handle rare cases where frame sizes don't match the video size
Common::Rect copyRect(0, 0, MIN(src.w, dest.w), MIN(src.h, dest.h));
if (src.format.bytesPerPixel == 1) {
// Paletted 8-bit, so convert to 16-bit and copy over
const byte *palette = _decoder->getPalette();
if (palette) {
Graphics::Surface *s = src.convertTo(dest.format, palette);
dest.blitFrom(*s, copyRect, Common::Point(0, 0));
s->free();
delete s;
}
} else if (src.format.bytesPerPixel == 2) {
// Source is already 16-bit, with no alpha, so do a straight copy
dest.blitFrom(src, copyRect, Common::Point(0, 0));
} else {
// Source is 32-bit which may have transparent pixels. Copy over each
// pixel, replacing transparent pixels with the special transparency color
byte a, r, g, b;
assert(src.format.bytesPerPixel == 4 && dest.format.bytesPerPixel == 2);
uint16 transPixel = _videoSurface->getTransparencyColor();
for (uint y = 0; y < MIN(src.h, dest.h); ++y) {
const uint32 *pSrc = (const uint32 *)src.getBasePtr(0, y);
uint16 *pDest = (uint16 *)dest.getBasePtr(0, y);
for (uint x = 0; x < MIN(src.w, dest.w); ++x, ++pSrc, ++pDest) {
src.format.colorToARGB(*pSrc, a, r, g, b);
assert(a == 0 || a == 0xff);
*pDest = (a == 0) ? transPixel : dest.format.RGBToColor(r, g, b);
}
}
}
}
void Design::drawBitmap(Graphics::ManagedSurface *surface, Common::SeekableReadStream &in) {
int numBytes = in.readSint16BE();
int y1 = in.readSint16BE();
int x1 = in.readSint16BE();
int y2 = in.readSint16BE();
int x2 = in.readSint16BE();
int w = x2 - x1;
int h = y2 - y1;
Graphics::ManagedSurface tmp;
tmp.create(w, h, Graphics::PixelFormat::createFormatCLUT8());
numBytes -= 10;
int x = 0, y = 0;
while (numBytes > 0 && y < h) {
int n = in.readSByte();
int count;
int b = 0;
int state = 0;
numBytes--;
if ((n >= 0) && (n <= 127)) { // If n is between 0 and 127 inclusive, copy the next n+1 bytes literally.
count = n + 1;
state = 1;
} else if ((n >= -127) && (n <= -1)) { // Else if n is between -127 and -1 inclusive, copy the next byte -n+1 times.
b = in.readByte();
numBytes--;
count = -n + 1;
state = 2;
} else { // Else if n is -128, noop.
count = 0;
}
for (int i = 0; i < count && y < h; i++) {
byte color = 0;
if (state == 1) {
color = in.readByte();
numBytes--;
} else if (state == 2)
color = b;
for (int c = 0; c < 8; c++) {
if (_boundsCalculationMode) {
adjustBounds(x1 + x, y1 + y);
} else if (x1 + x >= 0 && x1 + x < surface->w && y1 + y >= 0 && y1 + y < surface->h)
*((byte *)tmp.getBasePtr(x, y)) = (color & (1 << (7 - c % 8))) ? kColorBlack : kColorWhite;
x++;
if (x == w) {
y++;
x = 0;
break;
}
}
}
}
in.skip(numBytes);
if (_boundsCalculationMode)
return;
FloodFill ff(&tmp, kColorWhite, kColorGreen);
for (int yy = 0; yy < h; yy++) {
ff.addSeed(0, yy);
ff.addSeed(w - 1, yy);
}
for (int xx = 0; xx < w; xx++) {
ff.addSeed(xx, 0);
ff.addSeed(xx, h - 1);
}
ff.fill();
for (y = 0; y < h && y1 + y < surface->h; y++) {
byte *src = (byte *)tmp.getBasePtr(0, y);
byte *dst = (byte *)surface->getBasePtr(x1, y1 + y);
for (x = 0; x < w; x++) {
if (*src != kColorGreen)
*dst = *src;
src++;
dst++;
}
}
tmp.free();
}
