コード例 #1
0
ファイル: frame.cpp プロジェクト: Tkachov/scummvm
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();
}
コード例 #2
0
ファイル: macwindow.cpp プロジェクト: Strangerke/scummvm
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;
	}
}
コード例 #3
0
ファイル: frame.cpp プロジェクト: Tkachov/scummvm
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++;
		}
	}
}
コード例 #4
0
ファイル: frame.cpp プロジェクト: Tkachov/scummvm
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++;
		}
	}
}
コード例 #5
0
ファイル: avi_surface.cpp プロジェクト: DrItanium/scummvm
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);
			}
		}
	}
}
コード例 #6
0
ファイル: design.cpp プロジェクト: Strangerke/scummvm
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();
}