--- /dev/null
+package jp.nyatla.nyartoolkit.core.rasterfilter.rgb2bin;\r
+\r
+import jp.nyatla.nyartoolkit.NyARException;\r
+import jp.nyatla.nyartoolkit.core.raster.*;\r
+import jp.nyatla.nyartoolkit.core.raster.rgb.INyARRgbRaster;\r
+import jp.nyatla.nyartoolkit.core.types.NyARBufferType;\r
+import jp.nyatla.nyartoolkit.core.types.NyARIntSize;\r
+\r
+\r
+\r
+/**\r
+ * 定数閾値による2値化をする。\r
+ * \r
+ */\r
+public class NyARRasterFilter_ARToolkitThreshold implements INyARRasterFilter_Rgb2Bin\r
+{\r
+ protected int _threshold;\r
+ private IdoThFilterImpl _do_threshold_impl;\r
+\r
+ public NyARRasterFilter_ARToolkitThreshold(int i_threshold,int i_in_raster_type) throws NyARException\r
+ {\r
+ if(!initInstance(i_threshold,i_in_raster_type,NyARBufferType.INT1D_BIN_8)){\r
+ throw new NyARException();\r
+ }\r
+ }\r
+ public NyARRasterFilter_ARToolkitThreshold(int i_threshold,int i_in_raster_type,int i_out_raster_type) throws NyARException\r
+ {\r
+ if(!initInstance(i_threshold,i_in_raster_type,i_out_raster_type)){\r
+ throw new NyARException();\r
+ }\r
+ }\r
+ protected boolean initInstance(int i_threshold,int i_in_raster_type,int i_out_raster_type)\r
+ {\r
+ switch(i_out_raster_type){\r
+ case NyARBufferType.INT1D_BIN_8:\r
+ switch (i_in_raster_type){\r
+ case NyARBufferType.BYTE1D_B8G8R8_24:\r
+ case NyARBufferType.BYTE1D_R8G8B8_24:\r
+ this._do_threshold_impl=new doThFilterImpl_BUFFERFORMAT_BYTE1D_RGB_24();\r
+ break;\r
+ case NyARBufferType.BYTE1D_B8G8R8X8_32:\r
+ this._do_threshold_impl=new doThFilterImpl_BUFFERFORMAT_BYTE1D_B8G8R8X8_32();\r
+ break;\r
+ case NyARBufferType.BYTE1D_X8R8G8B8_32:\r
+ this._do_threshold_impl=new doThFilterImpl_BUFFERFORMAT_BYTE1D_X8R8G8B8_32();\r
+ break;\r
+ case NyARBufferType.INT1D_X8R8G8B8_32:\r
+ this._do_threshold_impl=new doThFilterImpl_BUFFERFORMAT_INT1D_X8R8G8B8_32();\r
+ break;\r
+ case NyARBufferType.WORD1D_R5G6B5_16LE:\r
+ this._do_threshold_impl=new doThFilterImpl_BUFFERFORMAT_WORD1D_R5G6B5_16LE();\r
+ break;\r
+ default:\r
+ return false;//サポートしない組み合わせ\r
+ }\r
+ break;\r
+ default:\r
+ return false;//サポートしない組み合わせ\r
+ }\r
+ this._threshold = i_threshold;\r
+ return true;\r
+ } \r
+ \r
+ /**\r
+ * 画像を２値化するための閾値。暗点<=th<明点となります。\r
+ * @param i_threshold\r
+ */\r
+ public void setThreshold(int i_threshold)\r
+ {\r
+ this._threshold = i_threshold;\r
+ }\r
+\r
+ public void doFilter(INyARRgbRaster i_input, NyARBinRaster i_output) throws NyARException\r
+ {\r
+\r
+ assert (i_input.getSize().isEqualSize(i_output.getSize()) == true);\r
+ this._do_threshold_impl.doThFilter(i_input,i_output,i_output.getSize(), this._threshold);\r
+ return;\r
+ }\r
+ /*\r
+ * ここから各ラスタ用のフィルタ実装\r
+ */\r
+ interface IdoThFilterImpl\r
+ {\r
+ public void doThFilter(INyARRaster i_input, INyARRaster i_output,NyARIntSize i_size,int i_threshold);\r
+ }\r
+ class doThFilterImpl_BUFFERFORMAT_BYTE1D_RGB_24 implements IdoThFilterImpl\r
+ {\r
+ public void doThFilter(INyARRaster i_input, INyARRaster i_output,NyARIntSize i_size,int i_threshold)\r
+ {\r
+ assert (i_output.isEqualBufferType(NyARBufferType.INT1D_BIN_8));\r
+ \r
+ int[] out_buf = (int[]) i_output.getBuffer();\r
+ byte[] in_buf = (byte[]) i_input.getBuffer();\r
+ \r
+ final int th=i_threshold*3;\r
+ int bp =(i_size.w*i_size.h-1)*3;\r
+ int w;\r
+ int xy;\r
+ final int pix_count =i_size.h*i_size.w;\r
+ final int pix_mod_part=pix_count-(pix_count%8);\r
+ for(xy=pix_count-1;xy>=pix_mod_part;xy--){\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 3;\r
+ }\r
+ //タイリング\r
+ for (;xy>=0;) {\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 3;\r
+ xy--;\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 3;\r
+ xy--;\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 3;\r
+ xy--;\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 3;\r
+ xy--;\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 3;\r
+ xy--;\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 3;\r
+ xy--;\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 3;\r
+ xy--;\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 3;\r
+ xy--;\r
+ }\r
+ return; \r
+ }\r
+ \r
+ }\r
+ class doThFilterImpl_BUFFERFORMAT_BYTE1D_B8G8R8X8_32 implements IdoThFilterImpl\r
+ {\r
+ public void doThFilter(INyARRaster i_input, INyARRaster i_output,NyARIntSize i_size,int i_threshold)\r
+ {\r
+ assert (i_input.isEqualBufferType(NyARBufferType.BYTE1D_B8G8R8X8_32));\r
+ assert (i_output.isEqualBufferType(NyARBufferType.INT1D_BIN_8));\r
+ \r
+ int[] out_buf = (int[]) i_output.getBuffer();\r
+ byte[] in_buf = (byte[]) i_input.getBuffer();\r
+ \r
+ final int th=i_threshold*3;\r
+ int bp =(i_size.w*i_size.h-1)*4;\r
+ int w;\r
+ int xy;\r
+ final int pix_count =i_size.h*i_size.w;\r
+ final int pix_mod_part=pix_count-(pix_count%8);\r
+ for(xy=pix_count-1;xy>=pix_mod_part;xy--){\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ }\r
+ //タイリング\r
+ for (;xy>=0;) {\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ w= ((in_buf[bp] & 0xff) + (in_buf[bp + 1] & 0xff) + (in_buf[bp + 2] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ } \r
+ } \r
+ }\r
+ \r
+ class doThFilterImpl_BUFFERFORMAT_BYTE1D_X8R8G8B8_32 implements IdoThFilterImpl\r
+ {\r
+ public void doThFilter(INyARRaster i_input, INyARRaster i_output,NyARIntSize i_size,int i_threshold)\r
+ {\r
+ assert (i_output.isEqualBufferType(NyARBufferType.INT1D_BIN_8));\r
+ \r
+ int[] out_buf = (int[]) i_output.getBuffer();\r
+ byte[] in_buf = (byte[]) i_input.getBuffer();\r
+ \r
+ final int th=i_threshold*3;\r
+ int bp =(i_size.w*i_size.h-1)*4;\r
+ int w;\r
+ int xy;\r
+ final int pix_count =i_size.h*i_size.w;\r
+ final int pix_mod_part=pix_count-(pix_count%8);\r
+ for(xy=pix_count-1;xy>=pix_mod_part;xy--){\r
+ w= ((in_buf[bp+1] & 0xff) + (in_buf[bp + 2] & 0xff) + (in_buf[bp + 3] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ }\r
+ //タイリング\r
+ for (;xy>=0;) {\r
+ w= ((in_buf[bp+1] & 0xff) + (in_buf[bp + 2] & 0xff) + (in_buf[bp + 3] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ w= ((in_buf[bp+1] & 0xff) + (in_buf[bp + 2] & 0xff) + (in_buf[bp + 3] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ w= ((in_buf[bp+1] & 0xff) + (in_buf[bp + 2] & 0xff) + (in_buf[bp + 3] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ w= ((in_buf[bp+1] & 0xff) + (in_buf[bp + 2] & 0xff) + (in_buf[bp + 3] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ w= ((in_buf[bp+1] & 0xff) + (in_buf[bp + 2] & 0xff) + (in_buf[bp + 3] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ w= ((in_buf[bp+1] & 0xff) + (in_buf[bp + 2] & 0xff) + (in_buf[bp + 3] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ w= ((in_buf[bp+1] & 0xff) + (in_buf[bp + 2] & 0xff) + (in_buf[bp + 3] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ w= ((in_buf[bp+1] & 0xff) + (in_buf[bp + 2] & 0xff) + (in_buf[bp + 3] & 0xff));\r
+ out_buf[xy]=w<=th?0:1;\r
+ bp -= 4;\r
+ xy--;\r
+ }\r
+ return; \r
+ }\r
+ \r
+ } \r
+ \r
+ class doThFilterImpl_BUFFERFORMAT_INT1D_X8R8G8B8_32 implements IdoThFilterImpl\r
+ {\r
+ public void doThFilter(INyARRaster i_input, INyARRaster i_output,NyARIntSize i_size,int i_threshold)\r
+ {\r
+ assert (i_output.isEqualBufferType(NyARBufferType.INT1D_BIN_8));\r
+ \r
+ int[] out_buf = (int[]) i_output.getBuffer();\r
+ int[] in_buf = (int[]) i_input.getBuffer();\r
+ \r
+ final int th=i_threshold*3;\r
+ int w;\r
+ int xy;\r
+ final int pix_count =i_size.h*i_size.w;\r
+ final int pix_mod_part=pix_count-(pix_count%8);\r
+\r
+ for(xy=pix_count-1;xy>=pix_mod_part;xy--){\r
+ w=in_buf[xy];\r
+ out_buf[xy]=(((w>>16)&0xff)+((w>>8)&0xff)+(w&0xff))<=th?0:1;\r
+ }\r
+ //タイリング\r
+ for (;xy>=0;) {\r
+ w=in_buf[xy];\r
+ out_buf[xy]=(((w>>16)&0xff)+((w>>8)&0xff)+(w&0xff))<=th?0:1;\r
+ xy--;\r
+ w=in_buf[xy];\r
+ out_buf[xy]=(((w>>16)&0xff)+((w>>8)&0xff)+(w&0xff))<=th?0:1;\r
+ xy--;\r
+ w=in_buf[xy];\r
+ out_buf[xy]=(((w>>16)&0xff)+((w>>8)&0xff)+(w&0xff))<=th?0:1;\r
+ xy--;\r
+ w=in_buf[xy];\r
+ out_buf[xy]=(((w>>16)&0xff)+((w>>8)&0xff)+(w&0xff))<=th?0:1;\r
+ xy--;\r
+ w=in_buf[xy];\r
+ out_buf[xy]=(((w>>16)&0xff)+((w>>8)&0xff)+(w&0xff))<=th?0:1;\r
+ xy--;\r
+ w=in_buf[xy];\r
+ out_buf[xy]=(((w>>16)&0xff)+((w>>8)&0xff)+(w&0xff))<=th?0:1;\r
+ xy--;\r
+ w=in_buf[xy];\r
+ out_buf[xy]=(((w>>16)&0xff)+((w>>8)&0xff)+(w&0xff))<=th?0:1;\r
+ xy--;\r
+ w=in_buf[xy];\r
+ out_buf[xy]=(((w>>16)&0xff)+((w>>8)&0xff)+(w&0xff))<=th?0:1;\r
+ xy--;\r
+ } \r
+ } \r
+ }\r
+ \r
+ class doThFilterImpl_BUFFERFORMAT_WORD1D_R5G6B5_16LE implements IdoThFilterImpl\r
+ {\r
+ public void doThFilter(INyARRaster i_input, INyARRaster i_output,NyARIntSize i_size,int i_threshold)\r
+ {\r
+ assert (i_output.isEqualBufferType(NyARBufferType.INT1D_BIN_8));\r
+ \r
+ int[] out_buf = (int[]) i_output.getBuffer();\r
+ short[] in_buf = (short[]) i_input.getBuffer();\r
+ \r
+ final int th=i_threshold*3;\r
+ int w;\r
+ int xy;\r
+ final int pix_count =i_size.h*i_size.w;\r
+ final int pix_mod_part=pix_count-(pix_count%8);\r
+\r
+ for(xy=pix_count-1;xy>=pix_mod_part;xy--){ \r
+ w =(int)in_buf[xy];\r
+ w = ((w & 0xf800) >> 8) + ((w & 0x07e0) >> 3) + ((w & 0x001f) << 3);\r
+ out_buf[xy] = w <= th ? 0 : 1;\r
+ }\r
+ //タイリング\r
+ for (;xy>=0;) {\r
+ w =(int)in_buf[xy];\r
+ w = ((w & 0xf800) >> 8) + ((w & 0x07e0) >> 3) + ((w & 0x001f) << 3);\r
+ out_buf[xy] = w <= th ? 0 : 1;\r
+ xy--;\r
+ w =(int)in_buf[xy];\r
+ w = ((w & 0xf800) >> 8) + ((w & 0x07e0) >> 3) + ((w & 0x001f) << 3);\r
+ out_buf[xy] = w <= th ? 0 : 1;\r
+ xy--;\r
+ w =(int)in_buf[xy];\r
+ w = ((w & 0xf800) >> 8) + ((w & 0x07e0) >> 3) + ((w & 0x001f) << 3);\r
+ out_buf[xy] = w <= th ? 0 : 1;\r
+ xy--;\r
+ w =(int)in_buf[xy];\r
+ w = ((w & 0xf800) >> 8) + ((w & 0x07e0) >> 3) + ((w & 0x001f) << 3);\r
+ out_buf[xy] = w <= th ? 0 : 1;\r
+ xy--;\r
+ w =(int)in_buf[xy];\r
+ w = ((w & 0xf800) >> 8) + ((w & 0x07e0) >> 3) + ((w & 0x001f) << 3);\r
+ out_buf[xy] = w <= th ? 0 : 1;\r
+ xy--;\r
+ w =(int)in_buf[xy];\r
+ w = ((w & 0xf800) >> 8) + ((w & 0x07e0) >> 3) + ((w & 0x001f) << 3);\r
+ out_buf[xy] = w <= th ? 0 : 1;\r
+ xy--;\r
+ w =(int)in_buf[xy];\r
+ w = ((w & 0xf800) >> 8) + ((w & 0x07e0) >> 3) + ((w & 0x001f) << 3);\r
+ out_buf[xy] = w <= th ? 0 : 1;\r
+ xy--;\r
+ w =(int)in_buf[xy];\r
+ w = ((w & 0xf800) >> 8) + ((w & 0x07e0) >> 3) + ((w & 0x001f) << 3);\r
+ out_buf[xy] = w <= th ? 0 : 1;\r
+ xy--;\r
+ }\r
+ } \r
+ } \r
+}\r
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