点の描画
Namespace: fvalgcliAssembly: fvalgcli (in fvalgcli.dll) Version: 3.1.0.0 (3.1.0.11)
Syntax
C# |
---|
public static int fnFIE_draw_point(
FHANDLE hImg,
DOUBLE_PTR val,
DPNT_T pnt
) |
Visual Basic |
---|
Public Shared Function fnFIE_draw_point (
hImg As FHANDLE,
val As DOUBLE_PTR,
pnt As DPNT_T
) As Integer |
Return Value
Type:
Int32
以下のエラーコードを返します。
エラーコード:f_err | 内容 |
---|
F_ERR_NONE | 正常終了 |
F_ERR_NOMEMORY | メモリ不足エラー |
F_ERR_INVALID_IMAGE | 画像オブジェクトの異常 |
F_ERR_INVALID_PARAM | パラメータ異常 |
F_ERR_NO_LICENCE | ライセンスエラー、または未初期化エラー |
Examples
C# | Copy |
---|
using System;
using System.Collections.Generic;
using System.Text;
using fvalgcli;
namespace TC
{
public partial class FIE
{
[FvPluginExecute]
public void fnFIE_draw_point()
{
int status = (int)f_err.F_ERR_NONE;
FHANDLE hImg = FHANDLE.Zero;
DOUBLE_PTR val = IntPtr.Zero;
DPNT_T pnt;
const int width = 30;
const int height = 20;
try
{
hImg = api.fnFIE_img_root_alloc((int)f_imgtype.F_IMG_UC8, 1, width, height);
api.fnFIE_img_clear(hImg, 128 / 2);
int channels = api.fnFIE_img_get_channels(hImg);
val = DOUBLE_PTR.alloc(channels);
for (int i = 0; i < channels; i++)
val[i] = 128;
pnt.x = width / 2;
pnt.y = height / 2;
status = api.fnFIE_draw_point(hImg, val, pnt);
Assert.IsTrue(status == (int)f_err.F_ERR_NONE, "エラーが発生しました。({0})", (f_err)status);
api.fnFIE_save_png(ResultDir + "/fnFIE_draw_point.png", hImg, -1);
}
finally
{
hImg.Dispose();
val.Dispose();
}
}
}
} |
Visual Basic | Copy |
---|
Imports System.Collections.Generic
Imports System.Text
Imports fvalgcli
Public Partial Class FIE
<FvPluginExecute> _
Public Sub fnFIE_draw_point()
Dim status As Integer = CInt(f_err.F_ERR_NONE)
Dim hImg As FHANDLE = FHANDLE.Zero
Dim val As DOUBLE_PTR = IntPtr.Zero
Dim pnt As DPNT_T
Const width As Integer = 30
Const height As Integer = 20
Try
hImg = api.fnFIE_img_root_alloc(CInt(f_imgtype.F_IMG_UC8), 1, width, height)
api.fnFIE_img_clear(hImg, 128 \ 2)
Dim channels As Integer = api.fnFIE_img_get_channels(hImg)
val = DOUBLE_PTR.alloc(channels)
For i As Integer = 0 To channels - 1
val(i) = 128
Next
pnt.x = width \ 2
pnt.y = height \ 2
status = api.fnFIE_draw_point(hImg, val, pnt)
Assert.IsTrue(status = CInt(f_err.F_ERR_NONE), "エラーが発生しました。({0})", CType(status, f_err))
api.fnFIE_save_png(ResultDir & "/fnFIE_draw_point.png", hImg, -1)
Finally
hImg.Dispose()
val.Dispose()
End Try
End Sub
End Class |
See Also