Code and testcase change for inline image

Graceful handling.

Author: sambitdash

src/PDPageElement.jl

@@ -164,7 +164,7 @@ A [`PDPageElement`](@ref) that represents the beginning of an inline image.
 """
 mutable struct PDPage_BeginInlineImage <: PDPageObject
     elem::PDPageElement
-    PDPage_BeginInlineImage(ts::AbstractString,ver::Tuple{Int,Int},nop)=
+    PDPage_BeginInlineImage(ts::AbstractString, ver::Tuple{Int,Int}, nop, ::Type)=
         new(PDPageElement(ts,ver,nop))
 end
 
@@ -174,7 +174,7 @@ function collect_object(grp::PDPageObjectGroup, beg::PDPage_BeginInlineImage,
 
     while(!newobj.isRead)
         value=parse_value(bis, get_pdfcontentops)
-        collect_inline_image(img,value,bis)
+        collect_inline_image(newobj, value, bis)
     end
     push!(grp.objs, newobj)
     return newobj
@@ -230,18 +230,18 @@ end
 function collect_inline_image(img::PDPageInlineImage, elem::PDPageElement,
                               bis::BufferedInputStream)
     if (elem.t == Symbol("ID"))
-        while(!image.isRead && !eof(bis))
+        while(!img.isRead && !eof(bis))
             b1 = peek(bis)
-            if (b1 == LATIN_E)
+            if (b1 == LATIN_UPPER_E)
                 mark(bis)
                 skip(bis,1);
                 b2 = peek(bis)
-                if (b2 == LATIN_I)
+                if (b2 == LATIN_UPPER_I)
                     skip(bis,1);b3 = peek(bis)
-                    if (is_crorlf(b3))
+                    if (ispdfspace(b3))
                         skip(bis,1)
                         img.isRead=true
-                        unmark(s)
+                        unmark(bis)
                         break
                     else
                         reset(bis)
@@ -522,4 +522,6 @@ function showtext(io::IO, pdo::PDPageElement, state::Vector{Dict}=Vector{Dict}()
     return io
 end
 
+showtext(io::IO, pdo::PDPageInlineImage, state::Vector{Dict}=Vector{Dict}()) = io
+
 showtext(io::IO, pdo::CosObject, state::Vector{Dict}=Vector{Dict}()) = (show(io, pdo); io)

src/bytes.jl

@@ -1,8 +1,8 @@
 export BACKSPACE, NULL,TAB, LINE_FEED,NEWLINE, FORM_FEED, RETURN,
        SPACE, STRING_DELIM, PLUS_SIGN, DELIMITER, MINUS_SIGN,
        DECIMAL_POINT, SOLIDUS, DIGIT_ZERO, DIGIT_NINE, SEPARATOR,
-       LATIN_UPPER_A, LATIN_UPPER_F, BACKSLASH, LATIN_A, LATIN_B,LATIN_E,
-       LATIN_F, LATIN_L, LATIN_N, LATIN_R, LATIN_S, LATIN_T, LATIN_U,LATIN_Z,
+       LATIN_UPPER_A, LATIN_UPPER_F, LATIN_UPPER_I, BACKSLASH, LATIN_A, LATIN_B,LATIN_E,
+       LATIN_F, LATIN_I, LATIN_L, LATIN_N, LATIN_R, LATIN_S, LATIN_T, LATIN_U,LATIN_Z,
        OBJECT_BEGIN, OBJECT_END, ESCAPES, REVERSE_ESCAPES,
        ESCAPED_ARRAY, LEFT_PAREN, RIGHT_PAREN, LESS_THAN,
        GREATER_THAN, LEFT_CB, RIGHT_CB, LEFT_SB, RIGHT_SB,
@@ -53,6 +53,7 @@ const LATIN_UPPER_A  = UInt8('A')
 const LATIN_UPPER_D  = UInt8('D')
 const LATIN_UPPER_E  = UInt8('E')
 const LATIN_UPPER_F  = UInt8('F')
+const LATIN_UPPER_I  = UInt8('I')
 const LATIN_UPPER_M  = UInt8('M')
 const LATIN_UPPER_O  = UInt8('O')
 const LATIN_UPPER_P  = UInt8('P')

test/runtests.jl

@@ -218,6 +218,30 @@ include("debugIO.jl")
         end
     end
 
+    @testset "Inline Image test" begin
+        @test begin
+            filename="files/Pratham\ Sanskaran.pdf"
+            DEBUG && println(filename)
+            doc = pdDocOpen(filename)
+            (npage = pdDocGetPageCount(doc)) == 54
+            try
+                open("Pratham\ Sanskaran.res", "w") do io
+                    for i=1:npage
+                        page = pdDocGetPage(doc, i)
+                        if pdPageIsEmpty(page) == false
+                            pdPageGetContentObjects(page)
+                            pdPageExtractText(io, page)
+                        end
+                    end
+                end
+                @test files_equal("Pratham\ Sanskaran.res", "files/Pratham\ Sanskaran.txt")
+            finally
+                pdDocClose(doc)
+            end
+            length(utilPrintOpenFiles()) == 0
+        end
+    end
+
     @testset "MacRomanEncoding Fonts test" begin
         @test begin
             filename="files/spec-2.pdf"