以文本方式查看主题 - Foxtable(狐表) (http://foxtable.net/bbs/index.asp) -- 专家坐堂 (http://foxtable.net/bbs/list.asp?boardid=2) ---- 专业报表可以设置图片的透明度吗 (http://foxtable.net/bbs/dispbbs.asp?boardid=2&id=179912) |
-- 作者:rogen -- 发布时间:2022/9/17 15:10:00 -- 专业报表可以设置图片的透明度吗 在专业报表里嵌入图片,可以设置透明度吗? |
-- 作者:有点蓝 -- 发布时间:2022/9/17 17:36:00 -- 通过绘制的方式设置 Dim doc As New PrintDoc Dim rt As New prt.RenderText \'定义一个文本对象 rt.Text = "Hello Foxtable" \'设置文本对象的内容 rt.Style.Font = New Font("宋体", 40f) rt.x = 30 rt.y = 60 doc.Body.Children.Add(rt) Dim colorAlpha As Single = 0.5 \'透明度:0-1 Dim matrixItems = { New Single() { 1 , 0 , 0 , 0 , 0 }, New Single() { 0 , 1 , 0 , 0 , 0 }, New Single() { 0 , 0 , 1 , 0 , 0 }, New Single() { 0 , 0 , 0 , colorAlpha, 0 }, New Single() { 0 , 0 , 0 , 0 , 1 }} Dim colorMatrix As New ColorMatrix(matrixItems) Dim imageAtt As New ImageAttributes() imageAtt.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap) Dim img As Image = GetImage("1.png") Dim rg1 As New prt.RenderGraphics() rg1.Graphics.DrawImage(img, New Rectangle( 0 , 0 , 300, 300), 0, 0, img.Width, img.Height, GraphicsUnit.Pixel , imageAtt) \'绘制透明 \'rg1.Graphics.DrawImage(GetImage("1.png"), 0, 0, 300, 300) \'绘制不透明 rg1.x = 30 rg1.y = 30 Doc.Body.Children.Add(rg1) Doc.Preview() |