<%
'aspjpeg综合操作class
class aspjpeg
dim aspjpeg_obj,obj
private img_mathpath_from,img_mathpath_to,img_reduce_size,coverif
private img_frame_size,img_frame_color,img_frame_solid,img_frame_width,img_frame_height
private img_font_content,img_font_family,img_font_color,img_font_quality,img_font_size,img_font_bold,img_font_x,img_font_y
private img_picin_path,img_picin_x,img_picin_y
'--------------取原文件路径
public property let mathpathfrom(strtype)
img_mathpath_from=strtype
end property
'--------------取文件保存路径
public property let mathpathto(strtype)
img_mathpath_to=strtype
end property
'--------------保存文件时是否覆盖已有文件
public property let covepro(lngsize)
if lngsize=0 or lngsize=1 or lngsize=true or lngsize=false then
coverif=lngsize
end if
end property
'---------------取缩略图/放大图 缩略值
public property let reducesize(lngsize)
if isnumeric(lngsize) then
img_reduce_size=lngsize
end if
end property
'---------------取描边属性
'边框粗细
public property let framesize(lngsize)
if isnumeric(lngsize) then
img_frame_size=clng(lngsize)
end if
end property
'边框宽度
public property let framewidth(lngsize)
if isnumeric(lngsize) then
img_frame_width=clng(lngsize)
end if
end property
'边框高度
public property let frameheight(lngsize)
if isnumeric(lngsize) then
img_frame_height=clng(lngsize)
end if
end property
'边框颜色
public property let framecolor(strtype)
if strtype<>"" then
img_frame_color=strtype
end if
end property
'边框是否加粗
public property let framesolid(lngsize)
if lngsize=1 or lngsize=0 or lngsize=true or lngsize=false then
img_frame_solid=lngsize
end if
end property
'---------------取插入文字属性
'插入的文字
public property let content(strtype)
if strtype<>"" then
img_font_content=strtype
end if
end property
'文字字体
public property let fontfamily(strtype)
if strtype<>"" then
img_font_family=strtype
end if
end property
'文字颜色
public property let fontcolor(strtype)
if strtype<>"" then
img_font_color=strtype
end if
end property
'文字品质
public property let fontquality(lngsize)
if isnumeric(lngsize) then
img_font_quality=clng(lngsize)
end if
end property
'文字大小
public property let fontsize(lngsize)
if isnumeric(lngsize) then
img_font_size=clng(lngsize)
end if
end property
'文字是否加粗
public property let fontbold(lngsize)
if lngsize=1 or lngsize=0 or lngsize=true or lngsize=false then
img_font_bold=lngsize
end if
end property
'输入文字的x坐标
public property let fontx(lngsize)
if isnumeric(lngsize) then
img_font_x=clng(lngsize)
end if
end property
'输入文字的y坐标
public property let fonty(lngsize)
if isnumeric(lngsize) then
img_font_y=clng(lngsize)
end if
end property
'---------------取插入图片属性
'插入图片的路径
public property let picinpath(strtype)
img_picin_path=strtype
end property
'图片插入的x坐标
public property let picinx(lngsize)
if isnumeric(lngsize) then
img_picin_x=clng(lngsize)
end if
end property
'图片插入的y坐标
public property let piciny(lngsize)
if isnumeric(lngsize) then
img_picin_y=clng(lngsize)
end if
end property
private sub class_initialize()
set aspjpeg_obj=createobject("persits.jpeg")
img_mathpath_from=""
img_mathpath_to=""
img_reduce_size=150
img_frame_size=1
'img_frame_width=0
'img_frame_height=0
'img_frame_color="&h000000"
'img_frame_bold=false
img_font_content="goldenleaf"
'img_font_family="arial"
'img_font_color="&h000000"
img_font_quality=3
img_font_size=14
'img_font_bold=false
img_font_x=10
img_font_y=5
'img_picin_x=0
'img_picin_y=0
coverif=1
end sub
private sub class_terminate()
err.clear
set aspjpeg_obj=nothing
end sub
'判断文件是否存在
private function fileis(path)
set fsos=server.createobject("scripting.filesystemobject")
fileis=fsos.fileexists(path)
set fsos=nothing
end function
'判断目录是否存在
private function folderis(path)
set fsos=server.createobject("scripting.filesystemobject")
folderis=fsos.folderexists(path)
set fsos=nothing
end function
'*******************************************
'函数作用:取得当前文件的上一级路径
'*******************************************
private function updir(byval d)
if len(d) = 0 then
updir=""
else
updir=left(d,instrrev(d,"\")-1)
end if
end function
private function errors(errors_id)
select case errors_id
case "0"
errors="指定文件不存在"
case 1
errors="指定目录不存在"
case 2
errors="已存在相同名称文件"
case 3
errors="参数溢出"
end select
end function
'取图片宽度
public function imginfo_width(img_mathpath)
if not(fileis(img_mathpath)) then
'exit function
imginfo_width=errors(0)
else
aspjpeg_obj.open img_mathpath
imginfo_width=aspjpeg_obj.width
end if
end function
'取图片高度
public function imginfo_height(img_mathpath)
if not(fileis(img_mathpath)) then
'exit function
imginfo_height=errors(0)
else
aspjpeg_obj.open img_mathpath
imginfo_height=aspjpeg_obj.height
end if
end function
'生成缩略图/放大图
public function img_reduce()
if not(fileis(img_mathpath_from)) then
img_reduce=errors(0)
exit function
end if
if not(folderis(updir(img_mathpath_to))) then
img_reduce=errors(1)
exit function
end if
if coverif=0 or coverif=false then
if fileis(img_mathpath_to) then
img_reduce=errors(2)
exit function
end if
end if
aspjpeg_obj.open img_mathpath_from
aspjpeg_obj.preserveaspectratio = true
if aspjpeg_obj.originalwidth>aspjpeg_obj.originalheight then
aspjpeg_obj.width=img_reduce_size
else
aspjpeg_obj.height=img_reduce_size
end if
if aspjpeg_obj.originalwidth>img_reduce_size or aspjpeg_obj.originalheight>img_reduce_size then
if aspjpeg_obj.width<img_reduce_size or aspjpeg_obj.height<img_reduce_size then
set aspjpeg_obj_new=createobject("persits.jpeg")
aspjpeg_obj_new.new img_reduce_size,img_reduce_size,&hffffff
aspjpeg_obj_new.drawimage (150-aspjpeg_obj.width)/2,(150-aspjpeg_obj.height)/2,aspjpeg_obj
if img_frame_size>0 then
call img_pen(aspjpeg_obj_new)
end if
if img_font_content<>"" then
img_font_x=aspjpeg_obj_new.width/2
img_font_y=aspjpeg_obj_new.height-15
call img_font(aspjpeg_obj_new)
end if
aspjpeg_obj_new.sharpen 1, 130
aspjpeg_obj_new.save img_mathpath_to
set aspjpeg_obj_new=nothing
else
if img_frame_size>0 then
call img_pen(aspjpeg_obj)
end if
if img_font_content<>"" then
img_font_x=aspjpeg_obj.width/2
img_font_y=aspjpeg_obj.height-15
call img_font(aspjpeg_obj)
end if
aspjpeg_obj.sharpen 1, 130
aspjpeg_obj.save img_mathpath_to
end if
else
if img_frame_size>0 then
call img_pen(aspjpeg_obj)
end if
if img_font_content<>"" then
img_font_x=aspjpeg_obj.width/2
img_font_y=aspjpeg_obj.height-15
call img_font(aspjpeg_obj)
end if
aspjpeg_obj.sharpen 1, 130
aspjpeg_obj.save img_mathpath_to
end if
end function
'生成水印
public function img_watermark()
if not(fileis(img_mathpath_from)) then
img_watermark=errors(0)
exit function
end if
if img_mathpath_to="" then
img_mathpath_to=img_mathpath_from
elseif not(folderis(updir(img_mathpath_to))) then
img_watermark=errors(1)
exit function
end if
if coverif=0 or coverif=false then
if img_mathpath_to<>img_mathpath_from and fileis(img_mathpath_to) then
img_watermark=errors(2)
exit function
end if
end if
aspjpeg_obj.open img_mathpath_from
if img_picin_path<>"" then
if not(fileis(img_picin_path)) then
img_watermark=errors(0)
exit function
end if
set aspjpeg_obj_new=createobject("persits.jpeg")
aspjpeg_obj_new.open img_picin_path
aspjpeg_obj.preserveaspectratio = true
aspjpeg_obj_new.preserveaspectratio = true
if aspjpeg_obj.originalwidth<img_reduce_size or aspjpeg_obj.originalheight<img_reduce_size then
img_watermark=errors(3)
exit function
end if
if aspjpeg_obj_new.originalwidth>aspjpeg_obj_new.originalheight then
aspjpeg_obj_new.width=img_reduce_size
else
aspjpeg_obj_new.height=img_reduce_size
end if
if img_picin_x="" then img_picin_x=aspjpeg_obj.width-aspjpeg_obj_new.width
if img_picin_y="" then img_picin_y=aspjpeg_obj.height-aspjpeg_obj_new.height
aspjpeg_obj.drawimage img_picin_x,img_picin_y,aspjpeg_obj_new
set aspjpeg_obj_new=nothing
end if
if img_frame_size>0 then
call img_pen(aspjpeg_obj)
end if
if img_font_content<>"" then
call img_font(aspjpeg_obj)
end if
'aspjpeg_obj.sharpen 1, 130
aspjpeg_obj.save img_mathpath_to
end function
'生成框架
private function img_pen(obj)
if img_frame_width=0 then img_frame_width=obj.width
if img_frame_height=0 then img_frame_height=obj.height
obj.canvas.pen.color = img_frame_color
obj.canvas.pen.width = img_frame_size
obj.canvas.brush.solid = img_frame_solid
obj.canvas.bar 1,1,img_frame_width,img_frame_height
end function
'生成水印字
private function img_font(obj)
obj.canvas.font.color = img_font_color
obj.canvas.font.family = img_font_family
obj.canvas.font.quality=img_font_quality
obj.canvas.font.size=img_font_size
obj.canvas.font.bold = img_font_bold
obj.canvas.print img_font_x,img_font_y,img_font_content
end function
end class
%>
这个类可以公开调用
1. imginfo_height 取图片高度
2. imginfo_width 取图片宽度
调用方法:
复制代码 代码如下:
dim newobj,pic_h,pic_w
set newobj=new aspjpeg
pic_h=newobj.imginfo_height("f:/test.jpg")
pic_w=newobj.imginfo_width("f:/test.jpg")
set newobj=nothing
response.write "this picture's height is "&pic_h
response.write "this picture's width is "&pic_w
response.end
3. img_reduce 对指定图片缩小或放大并保存(可选择是否加水印,是否加框架)
必须定义声明 mathpathfrom,mathpathto
默认为缩放至150x150 图案 如按比例缩放后图案小于该尺寸,则补充空白图片
默认文件自动覆盖
实例:
复制代码 代码如下:
dim newobj,newcommand
set newobj=new aspjpeg
newobj.mathpathfrom="f:/test.jpg"
newobj.mathpathto="f:/reduce.jpg"
newcommand=newobj.img_reduce
set newobj=nothing
if newcommand<>"" then
response.write "success"
else
'图片操作过程中出现错误
response.write "failed"
end if
4. img_watermark 给指定图片添加水印
水印可以为图片 文字 或 2者结合
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