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engines/sword25/gfx/image/renderedimage.h

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * This code is based on Broken Sword 2.5 engine
+ *
+ * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
+ *
+ * Licensed under GNU GPL v2
+ *
+ */
+
+#ifndef SWORD25_RENDERED_IMAGE_H
+#define SWORD25_RENDERED_IMAGE_H
+
+// -----------------------------------------------------------------------------
+// INCLUDES
+// -----------------------------------------------------------------------------
+
+#include "sword25/kernel/common.h"
+#include "sword25/gfx/image/image.h"
+#include "sword25/gfx/graphicengine.h"
+#include "graphics/managed_surface.h"
+
+namespace Sword25 {
+
+class RenderedImage : public Image {
+private:
+	RenderedImage(const RenderedImage &) : Image(), _doCleanup(false) {}
+	RenderedImage &operator=(const RenderedImage &) { return *this; }
+public:
+	RenderedImage(const Common::String &filename, bool &result);
+
+	/**
+	    @brief Creates an empty BS_RenderedImage
+
+	    @param Width The width of the image to be created.
+	    @param Height The height of the image to be created
+	    @param Result Informs the caller, whether the constructor is executed successfully. If it contains false
+	                  after the call, do not call methods on the object and destroy the object immediately.
+	*/
+	RenderedImage(uint width, uint height, bool &result);
+	RenderedImage();
+
+	~RenderedImage() override;
+
+	int getWidth() const override {
+		return _surface.w;
+	}
+	int getHeight() const override {
+		return _surface.h;
+	}
+
+	void copyDirectly(int posX, int posY);
+
+	bool blit(int posX = 0, int posY = 0,
+	                  int flipping = Graphics::FLIP_NONE,
+	                  Common::Rect *pPartRect = NULL,
+	                  uint color = BS_ARGB(255, 255, 255, 255),
+	                  int width = -1, int height = -1,
+					  RectangleList *updateRects = 0) override;
+	bool fill(const Common::Rect *pFillRect, uint color) override;
+	bool setContent(const byte *pixeldata, uint size, uint offset = 0, uint stride = 0) override;
+	void replaceContent(byte *pixeldata, int width, int height);
+	uint getPixel(int x, int y) override;
+
+	bool isBlitSource() const override {
+		return true;
+	}
+	bool isBlitTarget() const override {
+		return false;
+	}
+	bool isScalingAllowed() const override {
+		return true;
+	}
+	bool isFillingAllowed() const override {
+		return false;
+	}
+	bool isAlphaAllowed() const override {
+		return true;
+	}
+	bool isColorModulationAllowed() const override {
+		return true;
+	}
+	bool isSetContentAllowed() const override {
+		return true;
+	}
+
+	void setAlphaType(Graphics::AlphaType alphaType) { _alphaType = alphaType; }
+	bool isSolid() const override { return _alphaType == Graphics::ALPHA_OPAQUE; }
+
+private:
+	Graphics::ManagedSurface _surface;
+	Graphics::AlphaType _alphaType;
+	bool _doCleanup;
+
+	Graphics::ManagedSurface *_backSurface;
+};
+
+} // End of namespace Sword25
+
+#endif