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authorAndrei Karas <akaras@inbox.ru>2016-06-07 15:41:00 +0300
committerAndrei Karas <akaras@inbox.ru>2016-06-07 15:41:00 +0300
commitf69f346518f473f4f8fb13966e5831d105d1239c (patch)
tree4c5f44aaedbeb07af2197720c43ed86d68d0605d /src/resources/image/image.h
parent0ea2569615fb54cfd3d0606fb9cb86aee9efea4c (diff)
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Move image class into image directory.
Diffstat (limited to 'src/resources/image/image.h')
-rw-r--r--src/resources/image/image.h247
1 files changed, 247 insertions, 0 deletions
diff --git a/src/resources/image/image.h b/src/resources/image/image.h
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+/*
+ * The ManaPlus Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ * Copyright (C) 2011-2016 The ManaPlus Developers
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * 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
+ * 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/>.
+ */
+
+#ifndef RESOURCES_IMAGE_H
+#define RESOURCES_IMAGE_H
+
+#include "localconsts.h"
+
+#include "enums/resources/imagetype.h"
+
+#include "resources/resource.h"
+
+#include <SDL_video.h>
+
+#ifdef USE_OPENGL
+
+#ifdef ANDROID
+#include <GLES/gl.h>
+#else
+#ifndef USE_SDL2
+#define GL_GLEXT_PROTOTYPES 1
+#endif
+#include <SDL_opengl.h>
+#endif
+#endif
+
+#ifdef USE_SDL2
+#include <SDL_render.h>
+#endif
+
+#include <map>
+
+/**
+ * Defines a class for loading and storing images.
+ */
+class Image notfinal : public Resource
+{
+ friend class CompoundSprite;
+ friend class Graphics;
+ friend class ImageHelper;
+ friend class SDLGraphics;
+ friend class SDLImageHelper;
+ friend class SurfaceGraphics;
+#ifdef USE_SDL2
+ friend class SDL2SoftwareGraphics;
+ friend class SDL2SoftwareImageHelper;
+ friend class SurfaceImageHelper;
+#endif
+ friend class TestLauncher;
+#ifdef USE_OPENGL
+ friend class AtlasManager;
+ friend class MobileOpenGL2Graphics;
+ friend class MobileOpenGLGraphics;
+ friend class ModernOpenGLGraphics;
+ friend class NormalOpenGLGraphics;
+ friend class NullOpenGLGraphics;
+ friend class SafeOpenGLGraphics;
+ friend class OpenGLImageHelper;
+#ifndef ANDROID
+ friend class SafeOpenGLImageHelper;
+#endif // ANDROID
+#endif // USE_OPENGL
+
+ public:
+ A_DELETE_COPY(Image)
+
+ /**
+ * Destructor.
+ */
+ virtual ~Image();
+
+ /**
+ * Frees the resources created by SDL.
+ */
+ void unload();
+
+ /**
+ * Tells is the image is loaded
+ */
+ bool isLoaded() const A_WARN_UNUSED
+ { return mLoaded; }
+
+ /**
+ * Returns the width of the image.
+ */
+ inline int getWidth() const A_WARN_UNUSED A_INLINE
+ { return mBounds.w; }
+
+ /**
+ * Returns the height of the image.
+ */
+ inline int getHeight() const A_WARN_UNUSED A_INLINE
+ { return mBounds.h; }
+
+ /**
+ * Tells if the image has got an alpha channel
+ * @return true if it's true, false otherwise.
+ */
+ bool hasAlphaChannel() const A_WARN_UNUSED;
+
+ /**
+ * Sets the alpha value of this image.
+ */
+ virtual void setAlpha(const float alpha);
+
+ /**
+ * Creates a new image with the desired clipping rectangle.
+ *
+ * @return <code>NULL</code> if creation failed and a valid
+ * object otherwise.
+ */
+ virtual Image *getSubImage(const int x, const int y,
+ const int width,
+ const int height) A_WARN_UNUSED;
+
+
+ // SDL only public functions
+
+ /**
+ * Gets an scaled instance of an image.
+ *
+ * @param width The desired width of the scaled image.
+ * @param height The desired height of the scaled image.
+ *
+ * @return A new Image* object.
+ */
+ Image* SDLgetScaledImage(const int width,
+ const int height) const A_WARN_UNUSED;
+
+ /**
+ * Get the alpha Channel of a SDL surface.
+ */
+ uint8_t *SDLgetAlphaChannel() const A_WARN_UNUSED
+ { return mAlphaChannel; }
+
+ void SDLCleanCache();
+
+ void SDLTerminateAlphaCache();
+
+#ifdef USE_OPENGL
+ int getTextureWidth() const A_WARN_UNUSED
+ { return mTexWidth; }
+
+ int getTextureHeight() const A_WARN_UNUSED
+ { return mTexHeight; }
+
+ GLuint getGLImage() const A_WARN_UNUSED
+ { return mGLImage; }
+
+ void decRef() override;
+
+ GLuint mGLImage;
+ int mTexWidth;
+ int mTexHeight;
+#endif
+
+ bool isHasAlphaChannel() const A_WARN_UNUSED
+ { return mHasAlphaChannel; }
+
+ bool isAlphaVisible() const A_WARN_UNUSED
+ { return mIsAlphaVisible; }
+
+ void setAlphaVisible(const bool b)
+ { mIsAlphaVisible = b; }
+
+ bool isAlphaCalculated() const A_WARN_UNUSED
+ { return mIsAlphaCalculated; }
+
+ void setAlphaCalculated(const bool b)
+ { mIsAlphaCalculated = b; }
+
+ SDL_Surface* getSDLSurface()
+ { return mSDLSurface; }
+
+ int calcMemoryLocal() const override;
+
+ virtual ImageTypeT getType() const
+ { return ImageType::Image; }
+
+ SDL_Rect mBounds;
+
+ float mAlpha;
+
+ protected:
+ // -----------------------
+ // SDL protected members
+ // -----------------------
+
+ /** SDL Constructor */
+ Image(SDL_Surface *restrict const image, const bool hasAlphaChannel,
+ uint8_t *restrict const alphaChannel = nullptr);
+
+#ifdef USE_SDL2
+ Image(SDL_Texture *restrict const image,
+ const int width, const int height);
+#endif
+
+ SDL_Surface *getByAlpha(const float alpha) A_WARN_UNUSED;
+
+ SDL_Surface *mSDLSurface;
+#ifdef USE_SDL2
+ SDL_Texture *mTexture;
+#endif
+
+ /** Alpha Channel pointer used for 32bit based SDL surfaces */
+ uint8_t *mAlphaChannel;
+
+ std::map<float, SDL_Surface*> mAlphaCache;
+
+ bool mLoaded;
+ bool mHasAlphaChannel;
+ bool mUseAlphaCache;
+ bool mIsAlphaVisible;
+ bool mIsAlphaCalculated;
+
+ // -----------------------
+ // OpenGL protected members
+ // -----------------------
+#ifdef USE_OPENGL
+ /**
+ * OpenGL Constructor.
+ */
+ Image(const GLuint glimage, const int width, const int height,
+ const int texWidth, const int texHeight);
+#endif
+};
+
+#endif // RESOURCES_IMAGE_H