/**
* ラスタの指定点を基点に、輪郭線を抽出します。開始点は、輪郭の一部、かつ左上のエッジで有る必要があります。
* @param i_raster
* 輪郭線を抽出するラスタを指定します。
* @param i_th
* 輪郭とみなす暗点の敷居値を指定します。
* @param i_entry_x
* 輪郭抽出の開始点です。
* @param i_entry_y
* 輪郭抽出の開始点です。
* @param o_coord
* 輪郭点を格納する配列を指定します。i_array_sizeよりも大きなサイズの配列が必要です。
* @return
* 輪郭の抽出に成功するとtrueを返します。輪郭抽出に十分なバッファが無いと、falseになります。
* @throws NyARException
*/
public bool getContour(NyARGrayscaleRaster i_raster, int i_th, int i_entry_x, int i_entry_y, NyARIntCoordinates o_coord)
{
Debug.Assert(i_raster.isEqualBufferType(NyARBufferType.INT1D_GRAY_8));
NyARIntSize s = i_raster.getSize();
return(impl_getContour(i_raster, 0, 0, s.w - 1, s.h - 1, i_th, i_entry_x, i_entry_y, o_coord));
}
/**
* GSラスタの２値ラべリングを実行します。
* @param i_gs_raster
* @param i_th
* 二値化の敷居値を指定します。
* @param o_stack
* 結果を蓄積するスタックオブジェクトを指定します。
* 関数は、このオブジェクトに結果を追記します。
* @return
* @throws NyARException
*/
public virtual void labeling(NyARGrayscaleRaster i_gs_raster, int i_th)
{
Debug.Assert(i_gs_raster.isEqualBufferType(NyARBufferType.INT1D_GRAY_8));
NyARIntSize size = i_gs_raster.getSize();
this.imple_labeling(i_gs_raster, i_th, 0, 0, size.w, size.h);
}
public void copyTo(NyARGrayscaleRaster i_input, int i_left, int i_top, int i_skip, NyARGrayscaleRaster o_output)
{
Debug.Assert(i_input.getSize().isInnerSize(i_left + o_output.getWidth() * i_skip, i_top + o_output.getHeight() * i_skip));
int[] input = (int[])i_input.getBuffer();
int[] output = (int[])o_output.getBuffer();
int pt_src, pt_dst;
NyARIntSize dest_size = o_output.getSize();
NyARIntSize src_size = i_input.getSize();
int skip_src_y = (src_size.w - dest_size.w * i_skip) + src_size.w * (i_skip - 1);
int pix_count = dest_size.w;
int pix_mod_part = pix_count - (pix_count % 8);
// 左上から1行づつ走査していく
pt_dst = 0;
pt_src = (i_top * src_size.w + i_left);
for (int y = dest_size.h - 1; y >= 0; y -= 1)
{
int x;
for (x = pix_count - 1; x >= pix_mod_part; x--)
{
output[pt_dst++] = input[pt_src];
pt_src += i_skip;
}
for (; x >= 0; x -= 8)
{
output[pt_dst++] = input[pt_src];
pt_src += i_skip;
output[pt_dst++] = input[pt_src];
pt_src += i_skip;
output[pt_dst++] = input[pt_src];
pt_src += i_skip;
output[pt_dst++] = input[pt_src];
pt_src += i_skip;
output[pt_dst++] = input[pt_src];
pt_src += i_skip;
output[pt_dst++] = input[pt_src];
pt_src += i_skip;
output[pt_dst++] = input[pt_src];
pt_src += i_skip;
output[pt_dst++] = input[pt_src];
pt_src += i_skip;
}
// スキップ
pt_src += skip_src_y;
}
return;
}
public void doFilter(INyARRgbRaster i_input, NyARGrayscaleRaster i_output)
{
Debug.Assert(i_input.getSize().isEqualSize(i_output.getSize()) == true);
NyARIntSize s = i_input.getSize();
this._do_filter_impl.doFilter(i_input, (int[])i_output.getBuffer(), 0, 0, s.w, s.h);
return;
}
public void doCutFilter(INyARRaster i_input, int l, int t, int i_st, NyARGrayscaleRaster o_output)
{
Debug.Assert(i_input.isEqualBufferType(NyARBufferType.BYTE1D_B8G8R8_24) || i_input.isEqualBufferType(NyARBufferType.BYTE1D_R8G8B8_24));
Debug.Assert(i_input.getSize().isInnerSize(l + o_output.getWidth() * i_st, t + o_output.getHeight() * i_st));
byte[] input = (byte[])i_input.getBuffer();
int[] output = (int[])o_output.getBuffer();
int pt_src, pt_dst;
NyARIntSize dest_size = o_output.getSize();
NyARIntSize src_size = i_input.getSize();
int skip_src_y = (src_size.w - dest_size.w * i_st) * 3 + src_size.w * (i_st - 1) * 3;
int skip_src_x = 3 * i_st;
int pix_count = dest_size.w;
int pix_mod_part = pix_count - (pix_count % 8);
//左上から1行づつ走査していく
pt_dst = 0;
pt_src = (t * src_size.w + l) * 3;
for (int y = dest_size.h - 1; y >= 0; y -= 1)
{
int x;
for (x = pix_count - 1; x >= pix_mod_part; x--)
{
output[pt_dst++] = ((input[pt_src + 0] & 0xff) + (input[pt_src + 1] & 0xff) + (input[pt_src + 2] & 0xff)) >> 2;
pt_src += skip_src_x;
}
for (; x >= 0; x -= 8)
{
output[pt_dst++] = ((input[pt_src + 0] & 0xff) + (input[pt_src + 1] & 0xff) + (input[pt_src + 2] & 0xff)) >> 2;
pt_src += skip_src_x;
output[pt_dst++] = ((input[pt_src + 0] & 0xff) + (input[pt_src + 1] & 0xff) + (input[pt_src + 2] & 0xff)) >> 2;
pt_src += skip_src_x;
output[pt_dst++] = ((input[pt_src + 0] & 0xff) + (input[pt_src + 1] & 0xff) + (input[pt_src + 2] & 0xff)) >> 2;
pt_src += skip_src_x;
output[pt_dst++] = ((input[pt_src + 0] & 0xff) + (input[pt_src + 1] & 0xff) + (input[pt_src + 2] & 0xff)) >> 2;
pt_src += skip_src_x;
output[pt_dst++] = ((input[pt_src + 0] & 0xff) + (input[pt_src + 1] & 0xff) + (input[pt_src + 2] & 0xff)) >> 2;
pt_src += skip_src_x;
output[pt_dst++] = ((input[pt_src + 0] & 0xff) + (input[pt_src + 1] & 0xff) + (input[pt_src + 2] & 0xff)) >> 2;
pt_src += skip_src_x;
output[pt_dst++] = ((input[pt_src + 0] & 0xff) + (input[pt_src + 1] & 0xff) + (input[pt_src + 2] & 0xff)) >> 2;
pt_src += skip_src_x;
output[pt_dst++] = ((input[pt_src + 0] & 0xff) + (input[pt_src + 1] & 0xff) + (input[pt_src + 2] & 0xff)) >> 2;
pt_src += skip_src_x;
}
//スキップ
pt_src += skip_src_y;
}
return;
}
public void doFilter(NyARGrayscaleRaster i_input, NyARBinRaster i_output)
{
Debug.Assert(i_input.getBufferType() == NyARBufferType.INT1D_GRAY_8);
Debug.Assert(i_output.getBufferType() == NyARBufferType.INT1D_BIN_8);
int[] out_buf = (int[])i_output.getBuffer();
int[] in_buf = (int[])i_input.getBuffer();
NyARIntSize s = i_input.getSize();
int th = this._threshold;
int bp = s.w * s.h - 1;
int pix_count = s.h * s.w;
int pix_mod_part = pix_count - (pix_count % 8);
for (bp = pix_count - 1; bp >= pix_mod_part; bp--)
{
out_buf[bp] = (in_buf[bp] & 0xff) <= th?0:1;
}
//タイリング
for (; bp >= 0;)
{
out_buf[bp] = (in_buf[bp] & 0xff) <= th?0:1;
bp--;
out_buf[bp] = (in_buf[bp] & 0xff) <= th?0:1;
bp--;
out_buf[bp] = (in_buf[bp] & 0xff) <= th?0:1;
bp--;
out_buf[bp] = (in_buf[bp] & 0xff) <= th?0:1;
bp--;
out_buf[bp] = (in_buf[bp] & 0xff) <= th?0:1;
bp--;
out_buf[bp] = (in_buf[bp] & 0xff) <= th?0:1;
bp--;
out_buf[bp] = (in_buf[bp] & 0xff) <= th?0:1;
bp--;
out_buf[bp] = (in_buf[bp] & 0xff) <= th?0:1;
bp--;
}
return;
}
public void doFilter(NyARGrayscaleRaster i_input, NyARBinRaster i_output)
{
Debug.Assert(i_input.getBufferType()==NyARBufferType.INT1D_GRAY_8);
Debug.Assert(i_output.getBufferType()==NyARBufferType.INT1D_BIN_8);
int[] out_buf = (int[]) i_output.getBuffer();
int[] in_buf = (int[]) i_input.getBuffer();
NyARIntSize s=i_input.getSize();
int th=this._threshold;
int bp =s.w*s.h-1;
int pix_count =s.h*s.w;
int pix_mod_part=pix_count-(pix_count%8);
for(bp=pix_count-1;bp>=pix_mod_part;bp--){
out_buf[bp]=(in_buf[bp] & 0xff)<=th?0:1;
}
//タイリング
for (;bp>=0;) {
out_buf[bp]=(in_buf[bp] & 0xff)<=th?0:1;
bp--;
out_buf[bp]=(in_buf[bp] & 0xff)<=th?0:1;
bp--;
out_buf[bp]=(in_buf[bp] & 0xff)<=th?0:1;
bp--;
out_buf[bp]=(in_buf[bp] & 0xff)<=th?0:1;
bp--;
out_buf[bp]=(in_buf[bp] & 0xff)<=th?0:1;
bp--;
out_buf[bp]=(in_buf[bp] & 0xff)<=th?0:1;
bp--;
out_buf[bp]=(in_buf[bp] & 0xff)<=th?0:1;
bp--;
out_buf[bp]=(in_buf[bp] & 0xff)<=th?0:1;
bp--;
}
return;
}
public void doFilter(INyARRgbRaster i_input, NyARGrayscaleRaster i_output)
{
Debug.Assert (i_input.getSize().isEqualSize(i_output.getSize()) == true);
this._dofilterimpl.doFilter(i_input,i_output,i_input.getSize());
}
/**
* 同一サイズのラスタi_inputとi_outputの間で、一部の領域だけにラスタ処理を実行します。
* @param i_input
* @param i_rect
* @param i_output
* @throws NyARException
*/
public void doFilter(INyARRgbRaster i_input, NyARIntRect i_rect, NyARGrayscaleRaster i_output)
{
Debug.Assert(i_input.getSize().isEqualSize(i_output.getSize()) == true);
this._do_filter_impl.doFilter(i_input, (int[])i_output.getBuffer(), i_rect.x, i_rect.y, i_rect.w, i_rect.h);
}
public void doFilter(INyARRgbRaster i_input, NyARGrayscaleRaster i_output)
{
Debug.Assert(i_input.getSize().isEqualSize(i_output.getSize()) == true);
this._do_filter_impl.doFilter(i_input, i_output, i_input.getSize());
return;
}
