1 files changed, 186 insertions, 0 deletions
diff --git a/engines/sherlock/surface.h b/engines/sherlock/surface.h
new file mode 100644
index 0000000000..378c9be9cd
--- /dev/null
+++ b/engines/sherlock/surface.h
@@ -0,0 +1,186 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef SHERLOCK_GRAPHICS_H
+#define SHERLOCK_GRAPHICS_H
+
+#include "common/rect.h"
+#include "common/platform.h"
+#include "graphics/surface.h"
+#include "sherlock/fonts.h"
+
+namespace Sherlock {
+
+#define SCALE_THRESHOLD 0x100
+#define TRANSPARENCY 255
+
+struct ImageFrame;
+
+class Surface: public Fonts {
+private:
+	bool _freePixels;
+
+	/**
+	 * Copy a surface into this one
+	 */
+	void blitFrom(const Graphics::Surface &src);
+protected:
+	Graphics::Surface _surface;
+
+	/**
+	 * Clips the given source bounds so the passed destBounds will be entirely on-screen
+	 */
+	bool clip(Common::Rect &srcBounds, Common::Rect &destBounds);
+
+	/**
+	 * Base method stub for signalling dirty rect areas
+	 */
+	virtual void addDirtyRect(const Common::Rect &r) {}
+
+	/**
+	 * Draws a sub-section of a surface at a given position within this surface
+	 */
+	virtual void blitFrom(const Graphics::Surface &src, const Common::Point &pt, const Common::Rect &srcBounds);
+
+	/**
+	 * Draws a surface at a given position within this surface with transparency
+	 */
+	virtual void transBlitFromUnscaled(const Graphics::Surface &src, const Common::Point &pt, bool flipped, 
+		int overrideColor);
+public:
+	Surface(uint16 width, uint16 height);
+	Surface();
+	virtual ~Surface();
+
+	/**
+	 * Sets up an internal surface with the specified dimensions that will be automatically freed
+	 * when the surface object is destroyed
+	 */
+	void create(uint16 width, uint16 height);
+
+	Graphics::PixelFormat getPixelFormat();
+
+	/**
+	 * Copy a surface into this one
+	 */
+	void blitFrom(const Surface &src);
+
+	/**
+	 * Copy an image frame into this surface
+	 */
+	void blitFrom(const ImageFrame &src);
+
+	/**
+	 * Draws a surface at a given position within this surface
+	 */
+	void blitFrom(const Surface &src, const Common::Point &pt);
+
+	/**
+	 * Copy an image frame onto this surface at a given position
+	 */
+	void blitFrom(const ImageFrame &src, const Common::Point &pt);
+
+	/**
+	 * Draws a sub-section of a surface at a given position within this surface
+	 */
+	void blitFrom(const Surface &src, const Common::Point &pt, const Common::Rect &srcBounds);
+
+	/**
+	 * Copy a sub-area of a source image frame into this surface at a given position
+	 */
+	void blitFrom(const ImageFrame &src, const Common::Point &pt, const Common::Rect &srcBounds);
+
+	/**
+	 * Draws a surface at a given position within this surface
+	 */
+	void blitFrom(const Graphics::Surface &src, const Common::Point &pt);
+
+	/**
+	 * Draws an image frame at a given position within this surface with transparency
+	 */
+	void transBlitFrom(const ImageFrame &src, const Common::Point &pt,
+		bool flipped = false, int overrideColor = 0, int scaleVal = 256);
+	
+	/**
+	* Draws a surface at a given position within this surface with transparency
+	*/
+	void transBlitFrom(const Surface &src, const Common::Point &pt,
+		bool flipped = false, int overrideColor = 0, int scaleVal = 256);
+
+	/**
+	 * Draws a surface at a given position within this surface with transparency
+	 */
+	void transBlitFrom(const Graphics::Surface &src, const Common::Point &pt,
+		bool flipped = false, int overrideColor = 0, int scaleVal = 256);
+
+	/**
+	 * Fill a given area of the surface with a given color
+	 */
+	void fillRect(int x1, int y1, int x2, int y2, uint color);
+	
+	/**
+	 * Fill a given area of the surface with a given color
+	 */
+	virtual void fillRect(const Common::Rect &r, uint color);
+
+	void fill(uint color);
+
+	/**
+	 * Clear the surface
+	 */
+	void clear();
+
+	/**
+	 * Free the underlying surface
+	 */
+	void free();
+
+	/**
+	 * Returns true if the surface is empty
+	 */
+	bool empty() const { return _surface.getPixels() == nullptr; }
+
+	/**
+	 * Set the pixels for the surface to an existing data block
+	 */
+	void setPixels(byte *pixels, int width, int height, Graphics::PixelFormat format);
+
+	/**
+	 * Draws the given string into the back buffer using the images stored in _font
+	 */
+	virtual void writeString(const Common::String &str, const Common::Point &pt, uint overrideColor);
+	void writeFancyString(const Common::String &str, const Common::Point &pt, uint overrideColor1, uint overrideColor2);
+
+	inline virtual uint16 w() const { return _surface.w; }
+	inline virtual uint16 h() const { return _surface.h; }
+	inline const byte *getPixels() const { return (const byte *)_surface.getPixels(); }
+	inline byte *getPixels() { return (byte *)_surface.getPixels(); }
+	inline byte *getBasePtr(int x, int y) { return (byte *)_surface.getBasePtr(x, y); }
+	inline const byte *getBasePtr(int x, int y) const { return (const byte *)_surface.getBasePtr(x, y); }
+	inline Graphics::Surface &getRawSurface() { return _surface; }
+	inline void hLine(int x, int y, int x2, uint color) { _surface.hLine(x, y, x2, color); }
+	inline void vLine(int x, int y, int y2, uint color) { _surface.vLine(x, y, y2, color); }
+};
+
+} // End of namespace Sherlock
+
+#endif