1 /* ScummVM - Graphic Adventure Engine 2 * 3 * ScummVM is the legal property of its developers, whose names 4 * are too numerous to list here. Please refer to the COPYRIGHT 5 * file distributed with this source distribution. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 2 10 * of the License, or(at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 20 * 21 */ 22 23 #ifndef AGS_PLUGINS_AGS_BLEND_AGS_BLEND_H 24 #define AGS_PLUGINS_AGS_BLEND_AGS_BLEND_H 25 26 #include "ags/plugins/ags_plugin.h" 27 28 namespace AGS3 { 29 namespace Plugins { 30 namespace AGSBlend { 31 32 /** 33 * Author: Steven Poulton 34 * Description: An AGS Plugin to allow true Alpha Blending 35 */ 36 class AGSBlend : public PluginBase { 37 SCRIPT_HASH(AGSBlend) 38 private: 39 /** 40 * Gets the alpha value at coords x,y 41 */ 42 void GetAlpha(ScriptMethodParams ¶ms); 43 44 /** 45 * Sets the alpha value at coords x,y 46 */ 47 void PutAlpha(ScriptMethodParams ¶ms); 48 49 /** 50 * Translates index from a 2D array to a 1D array 51 */ 52 int xytolocale(int x, int y, int width); 53 54 void HighPass(ScriptMethodParams ¶ms); 55 void Blur(ScriptMethodParams ¶ms); 56 void DrawSprite(ScriptMethodParams ¶ms); 57 void DrawAdd(ScriptMethodParams ¶ms); 58 void DrawAlpha(ScriptMethodParams ¶ms); 59 60 public: AGSBlend()61 AGSBlend() : PluginBase() {} ~AGSBlend()62 virtual ~AGSBlend() {} 63 64 const char *AGS_GetPluginName() override; 65 void AGS_EngineStartup(IAGSEngine *lpEngine) override; 66 }; 67 68 } // namespace AGSBlend 69 } // namespace Plugins 70 } // namespace AGS3 71 72 #endif 73