GOB: Change all drawing to use class Surface

svn-id: r52947

1 files changed, 87 insertions, 244 deletions

diff --git a/engines/gob/video.cpp b/engines/gob/video.cpp
index 6d2636d067..1de25cb594 100644
--- a/engines/gob/video.cpp
+++ b/engines/gob/video.cpp
@@ -89,81 +89,66 @@ uint16 Font::getCharCount() const {
 	return _endItem - _startItem + 1;
 }
 
-uint8 Font::getFirstChar() const {
-	return _startItem;
-}
-
-uint8 Font::getLastChar() const {
-	return _endItem;
-}
-
-uint8 Font::getCharSize() const {
-	return _itemSize;
-}
-
 bool Font::isMonospaced() const {
 	return _charWidths == 0;
 }
 
-const byte *Font::getCharData(uint8 c) const {
-	if (_endItem == 0) {
-		warning("Font::getCharData(): _endItem == 0");
-		return 0;
+void Font::drawLetter(Surface &surf, uint8 c, uint16 x, uint16 y,
+		uint32 color1, uint32 color2, bool transp) const {
+
+	uint16 data;
+
+	const byte *src = getCharData(c);
+	if (!src) {
+		warning("Font::drawLetter(): getCharData() == 0");
+		return;
 	}
 
-	if ((c < _startItem) || (c > _endItem))
-		return 0;
+	Pixel dst = surf.get(x, y);
 
-	return _data + (c - _startItem) * _itemSize;
-}
+	int nWidth = _itemWidth;
+	if (nWidth & 7)
+		nWidth = (nWidth & 0xF8) + 8;
 
+	nWidth >>= 3;
 
-SurfaceDesc::SurfaceDesc(int16 vidMode, int16 width, int16 height,
-		byte *vidMem) : _width(width), _height(height) {
+	for (int i = 0; i < _itemHeight; i++) {
+		int width = _itemWidth;
 
-	if (vidMem) {
-		_vidMode = vidMode;
-		_ownVidMem = false;
-		_vidMem = vidMem;
-	} else {
-		_vidMode = vidMode;
-		_ownVidMem = true;
-		_vidMem = new byte[width * height];
-		assert(_vidMem);
-		memset(_vidMem, 0, width * height);
-	}
-}
+		for (int k = 0; k < nWidth; k++) {
 
-void SurfaceDesc::setVidMem(byte *vidMem) {
-	assert(vidMem);
+			data = *src++;
+			for (int j = 0; j < MIN(8, width); j++) {
+				if (data & 0x80)
+					dst.set(color1);
+				else if (!transp)
+					dst.set(color2);
 
-	if (hasOwnVidMem())
-		delete[] _vidMem;
+				dst++;
+				data <<= 1;
+			}
 
-	_ownVidMem = false;
-	_vidMem = vidMem;
-}
+			width -= 8;
 
-void SurfaceDesc::resize(int16 width, int16 height) {
-	if (hasOwnVidMem())
-		delete[] _vidMem;
+		}
 
-	_width = width;
-	_height = height;
-	_ownVidMem = true;
-	_vidMem = new byte[width * height];
-	assert(_vidMem);
-	memset(_vidMem, 0, width * height);
+		dst += surf.getWidth() - _itemWidth;
+	}
 }
 
-void SurfaceDesc::swap(SurfaceDesc &surf) {
-	SWAP(_width, surf._width);
-	SWAP(_height, surf._height);
-	SWAP(_vidMode, surf._vidMode);
-	SWAP(_ownVidMem, surf._ownVidMem);
-	SWAP(_vidMem, surf._vidMem);
+const byte *Font::getCharData(uint8 c) const {
+	if (_endItem == 0) {
+		warning("Font::getCharData(): _endItem == 0");
+		return 0;
+	}
+
+	if ((c < _startItem) || (c > _endItem))
+		return 0;
+
+	return _data + (c - _startItem) * _itemSize;
 }
 
+
 Video::Video(GobEngine *vm) : _vm(vm) {
 	_doRangeClamp = false;
 	_videoDriver = 0;
@@ -222,8 +207,8 @@ void Video::initPrimary(int16 mode) {
 	}
 }
 
-SurfaceDescPtr Video::initSurfDesc(int16 vidMode, int16 width, int16 height, int16 flags) {
-	SurfaceDescPtr descPtr;
+SurfacePtr Video::initSurfDesc(int16 vidMode, int16 width, int16 height, int16 flags) {
+	SurfacePtr descPtr;
 
 	if (flags & PRIMARY_SURFACE)
 		assert((width == _surfWidth) && (height == _surfHeight));
@@ -236,14 +221,13 @@ SurfaceDescPtr Video::initSurfDesc(int16 vidMode, int16 width, int16 height, int
 
 		descPtr = _vm->_global->_primarySurfDesc;
 		descPtr->resize(width, height);
-		descPtr->_vidMode = vidMode;
 	} else {
 		assert(!(flags & DISABLE_SPR_ALLOC));
 
 		if (!(flags & SCUMMVM_CURSOR))
 			width = (width + 7) & 0xFFF8;
 
-		descPtr = SurfaceDescPtr(new SurfaceDesc(vidMode, width, height));
+		descPtr = SurfacePtr(new Surface(width, height, 1));
 	}
 	return descPtr;
 }
@@ -280,8 +264,7 @@ void Video::retrace(bool mouse) {
 			screenWidth = MIN<int>(_vm->_width, _splitSurf->getWidth());
 			screenHeight = _splitSurf->getHeight();
 
-			g_system->copyRectToScreen(_splitSurf->getVidMem() + screenOffset,
-					_splitSurf->getWidth(), screenX, screenY, screenWidth, screenHeight);
+			_splitSurf->blitToScreen(0, 0, screenWidth - 1, screenHeight - 1, screenX, screenY);
 
 		} else if (_splitHeight2 > 0) {
 
@@ -317,191 +300,58 @@ void Video::sparseRetrace(int max) {
 	_lastSparse = timeKey;
 }
 
-void Video::putPixel(int16 x, int16 y, int16 color, SurfaceDesc &dest) {
-	if ((x >= dest.getWidth()) || (x < 0) ||
-	    (y >= dest.getHeight()) || (y < 0))
-		return;
+void Video::drawPacked(byte *sprBuf, int16 width, int16 height,
+		int16 x, int16 y, byte transp, Surface &dest) {
 
-	_videoDriver->putPixel(x, y, color, dest);
-}
-
-void Video::fillRect(SurfaceDesc &dest, int16 left, int16 top, int16 right,
-		int16 bottom, int16 color) {
-
-	if (_doRangeClamp) {
-		if (left > right)
-			SWAP(left, right);
-		if (top > bottom)
-			SWAP(top, bottom);
-
-		if ((left >= dest.getWidth()) || (right < 0) ||
-		    (top >= dest.getHeight()) || (bottom < 0))
-			return;
-
-		left = CLIP(left, (int16)0, (int16)(dest.getWidth() - 1));
-		top = CLIP(top, (int16)0, (int16)(dest.getHeight() - 1));
-		right = CLIP(right, (int16)0, (int16)(dest.getWidth() - 1));
-		bottom = CLIP(bottom, (int16)0, (int16)(dest.getHeight() - 1));
-	}
-
-	_videoDriver->fillRect(dest, left, top, right, bottom, color);
-}
-
-void Video::drawLine(SurfaceDesc &dest, int16 x0, int16 y0, int16 x1,
-		int16 y1, int16 color) {
-
-	if ((x0 == x1) || (y0 == y1))
-		Video::fillRect(dest, x0, y0, x1, y1, color);
-	else
-		_videoDriver->drawLine(dest, x0, y0, x1, y1, color);
-}
-
-/*
- * The original's version of the Bresenham Algorithm was a bit "unclean"
- * and produced strange edges at 45, 135, 225 and 315 degrees, so using the
- * version found in the Wikipedia article about the
- * "Bresenham's line algorithm" instead
- */
-void Video::drawCircle(SurfaceDesc &dest, int16 x0, int16 y0,
-		int16 radius, int16 color) {
-	int16 f = 1 - radius;
-	int16 ddFx = 0;
-	int16 ddFy = -2 * radius;
-	int16 x = 0;
-	int16 y = radius;
-	int16 tmpPattern = (_vm->_draw->_pattern & 0xFF);
-
-	if (tmpPattern == 0) {
-		putPixel(x0, y0 + radius, color, dest);
-		putPixel(x0, y0 - radius, color, dest);
-		putPixel(x0 + radius, y0, color, dest);
-		putPixel(x0 - radius, y0, color, dest);
-	} else
-		warning ("Video::drawCircle - pattern %d", _vm->_draw->_pattern);
-
-	while (x < y) {
-		if (f >= 0) {
-			y--;
-			ddFy += 2;
-			f += ddFy;
-		}
-		x++;
-		ddFx += 2;
-		f += ddFx + 1;
-
-		switch (tmpPattern) {
-		case -1:
-			fillRect(dest, x0 - y, y0 + x, x0 + y, y0 + x, color);
-			fillRect(dest, x0 - x, y0 + y, x0 + x, y0 + y, color);
-			fillRect(dest, x0 - y, y0 - x, x0 + y, y0 - x, color);
-			fillRect(dest, x0 - x, y0 - y, x0 + x, y0 - y, color);
-			break;
-		case 0:
-			putPixel(x0 + x, y0 + y, color, dest);
-			putPixel(x0 - x, y0 + y, color, dest);
-			putPixel(x0 + x, y0 - y, color, dest);
-			putPixel(x0 - x, y0 - y, color, dest);
-			putPixel(x0 + y, y0 + x, color, dest);
-			putPixel(x0 - y, y0 + x, color, dest);
-			putPixel(x0 + y, y0 - x, color, dest);
-			putPixel(x0 - y, y0 - x, color, dest);
-			break;
-		default:
-			fillRect(dest, x0 + y - tmpPattern, y0 + x - tmpPattern, x0 + y, y0 + x, color);
-			fillRect(dest, x0 + x - tmpPattern, y0 + y - tmpPattern, x0 + x, y0 + y, color);
-			fillRect(dest, x0 - y, y0 + x - tmpPattern, x0 - y + tmpPattern, y0 + x, color);
-			fillRect(dest, x0 - x, y0 + y - tmpPattern, x0 - x + tmpPattern, y0 + y, color);
-			fillRect(dest, x0 + y - tmpPattern, y0 - x, x0 + y, y0 - x + tmpPattern, color);
-			fillRect(dest, x0 + x - tmpPattern, y0 - y, x0 + x, y0 - y + tmpPattern, color);
-			fillRect(dest, x0 - y, y0 - x, x0 - y + tmpPattern, y0 - x + tmpPattern, color);
-			fillRect(dest, x0 - x, y0 - y, x0 - x + tmpPattern, y0 - y + tmpPattern, color);
-			break;
-		}
-	}
-}
-
-void Video::clearSurf(SurfaceDesc &dest) {
-	Video::fillRect(dest, 0, 0, dest.getWidth() - 1, dest.getHeight() - 1, 0);
-}
+	int destRight = x + width;
+	int destBottom = y + height;
 
-void Video::drawSprite(SurfaceDesc &source, SurfaceDesc &dest,
-	    int16 left, int16 top, int16 right, int16 bottom, int16 x, int16 y, int16 transp) {
-	int16 destRight;
-	int16 destBottom;
+	Pixel dst = dest.get(x, y);
 
-	if (_doRangeClamp) {
-		if (left > right)
-			SWAP(left, right);
-		if (top > bottom)
-			SWAP(top, bottom);
+	int curx = x;
+	int cury = y;
 
-		if ((left >= source.getWidth()) || (right < 0) ||
-		    (top >= source.getHeight()) || (bottom < 0))
-			return;
+	while (1) {
+		uint8 val = *sprBuf++;
+		unsigned int repeat = val & 7;
+		val &= 0xF8;
 
-		if (left < 0) {
-			x -= left;
-			left = 0;
+		if (!(val & 8)) {
+			repeat <<= 8;
+			repeat |= *sprBuf++;
 		}
-		if (top < 0) {
-			y -= top;
-			top = 0;
+		repeat++;
+		val >>= 4;
+
+		for (unsigned int i = 0; i < repeat; ++i) {
+			if (curx < dest.getWidth() && cury < dest.getHeight())
+				if (!transp || val)
+					dst.set(val);
+
+			dst++;
+			curx++;
+			if (curx == destRight) {
+				dst += dest.getWidth() + x - curx;
+				curx = x;
+				cury++;
+				if (cury == destBottom)
+					return;
+			}
 		}
-		right = CLIP(right, (int16)0, (int16)(source.getWidth() - 1));
-		bottom = CLIP(bottom, (int16)0, (int16)(source.getHeight() - 1));
-		if (right - left >= source.getWidth())
-			right = left + source.getWidth() - 1;
-		if (bottom - top >= source.getHeight())
-			bottom = top + source.getHeight() - 1;
-
-		if (x < 0) {
-			left -= x;
-			x = 0;
-		}
-		if (y < 0) {
-			top -= y;
-			y = 0;
-		}
-		if ((x >= dest.getWidth()) || (left > right) ||
-		    (y >= dest.getHeight()) || (top > bottom))
-			return;
 
-		destRight = x + right - left;
-		destBottom = y + bottom - top;
-		if (destRight >= dest.getWidth())
-			right -= destRight - dest.getWidth() + 1;
-
-		if (destBottom >= dest.getHeight())
-			bottom -= destBottom - dest.getHeight() + 1;
 	}
-
-	_videoDriver->drawSprite(source, dest, left, top, right, bottom, x, y, transp);
-}
-
-void Video::drawSpriteDouble(SurfaceDesc &source, SurfaceDesc &dest,
-	    int16 left, int16 top, int16 right, int16 bottom, int16 x, int16 y, int16 transp) {
-
-	_videoDriver->drawSpriteDouble(source, dest, left, top, right, bottom, x, y, transp);
-}
-
-void Video::drawLetter(int16 item, int16 x, int16 y, const Font &font,
-		int16 color1, int16 color2, int16 transp, SurfaceDesc &dest) {
-	assert(item != 0x00);
-	_videoDriver->drawLetter((unsigned char)item, x, y, font, color1, color2, transp, dest);
 }
 
 void Video::drawPackedSprite(byte *sprBuf, int16 width, int16 height,
-		int16 x, int16 y, int16 transp, SurfaceDesc &dest) {
+		int16 x, int16 y, int16 transp, Surface &dest) {
 
 	if (spriteUncompressor(sprBuf, width, height, x, y, transp, dest))
 		return;
 
-	_vm->validateVideoMode(dest._vidMode);
-
-	_videoDriver->drawPackedSprite(sprBuf, width, height, x, y, transp, dest);
+	drawPacked(sprBuf, width, height, x, y, transp, dest);
 }
 
-void Video::drawPackedSprite(const char *path, SurfaceDesc &dest, int width) {
+void Video::drawPackedSprite(const char *path, Surface &dest, int width) {
 	byte *data;
 
 	data = _vm->_dataIO->getData(path);
@@ -589,32 +439,25 @@ void Video::dirtyRectsAdd(int16 left, int16 top, int16 right, int16 bottom) {
 }
 
 void Video::dirtyRectsApply(int left, int top, int width, int height, int x, int y) {
-	byte *vidMem = _vm->_global->_primarySurfDesc->getVidMem();
-
 	if (_dirtyAll) {
-		g_system->copyRectToScreen(vidMem + top * _surfWidth + left,
-				_surfWidth, x, y, width, height);
+		_vm->_global->_primarySurfDesc->blitToScreen(left, top, left + width - 1, top + height - 1, x, y);
 		return;
 	}
 
-	int right = left + width;
-	int bottom = top + height;
+	int right  = left + width;
+	int bottom = top  + height;
 
 	Common::List<Common::Rect>::const_iterator it;
 	for (it = _dirtyRects.begin(); it != _dirtyRects.end(); ++it) {
-		int l = MAX<int>(left, it->left);
-		int t = MAX<int>(top, it->top);
-		int r = MIN<int>(right, it->right);
+		int l = MAX<int>(left  , it->left);
+		int t = MAX<int>(top   , it->top);
+		int r = MIN<int>(right , it->right);
 		int b = MIN<int>(bottom, it->bottom);
-		int w = r - l;
-		int h = b - t;
 
-		if ((w <= 0) || (h <= 0))
+		if ((r <= l) || (b <= t))
 			continue;
 
-		byte *v = vidMem + t * _surfWidth + l;
-
-		g_system->copyRectToScreen(v, _surfWidth, x + (l - left), y + (t - top), w, h);
+		_vm->_global->_primarySurfDesc->blitToScreen(l, t, r - 1, b - 1, x + (l - left), y + (t - top));
 	}
 }