image_to_pdf.rb in sogoumap2pdf-0.2.0

- old
+ new

@@ -99,11 +99,11 @@
           pgimg=big_img_crop(j*(@page_width-@page_overlap),
                                (rows-1-i)*(@page_height-@page_overlap),@page_width,@page_height)
   
           # pgimg=big_image.crop(j*(@page_width-@page_overlap),
           #                      i*(@page_height-@page_overlap),@page_width,@page_height,true)
-          pgimg.write("itptmp#{@link_end}") { self.quality = 70 }
+          pgimg.write("itptmp#{@link_end}") { self.quality = 100 }
           @pdf.add_image_from_file("itptmp#{@link_end}",0,0)
           ss = PDF::Writer::StrokeStyle.new(4,:cap=>:round)
           @pdf.stroke_style ss
           if j>0 then
             @pdf.add_internal_link("map part #{i},#{j-1}",0,@page_height/2,
@@ -190,15 +190,20 @@
       else
         resimg=ci.mosaic
       end
       #crop
       #map2pdf.rb:339:in `crop!': bignum too big to convert into `long' (RangeError)
-      x_string,y_string=resimg.density.split("x")
-      resx=x_string.to_i
-      resy=y_string.to_i
-      resimg.crop!(SouthWestGravity,resx<@page_width?resx:@page_width,resy<@page_height?resy:@page_height)
-      resimg.write("itptmp#{@link_end}"){ self.quality = 70 }
+      resx=@tumb_x*g.npx
+      resy=@tumb_y*g.npy
+
+      p "front_page size"
+      p resx
+      p resy
+      resx=@page_width if resx>@page_width
+      resy=@page_height if resy>@page_height
+      resimg.crop!(SouthWestGravity,resx,resy)
+      resimg.write("itptmp#{@link_end}"){ self.quality = 100 }
       @pdf.add_image_from_file("itptmp#{@link_end}",0,0)
       ss = PDF::Writer::StrokeStyle.new(2)
       @pdf.stroke_style ss
       for i in 1...cols
         @pdf.line(i*@page_width/cols,0,
@@ -216,9 +221,92 @@
                                 j*@page_width/cols, @page_height-i*@page_height/rows,
                                 (j+1)*@page_width/cols, @page_height-(i+1)*@page_height/rows)
        end
       end
     end
+    def front_page_only(g)
+      size_x=@big_img_width
+      size_y=@big_img_height
+      # calculate the number of requred rows and columns
+      cols=(size_x-@page_overlap)/(@page_width-@page_overlap)
+      rows=(size_y-@page_overlap)/(@page_height-@page_overlap)
+  
+      ci=ImageList.new # image list to hold results
+      page=Rectangle.new( 0, 0, 0, 0)
+      @g=g
+      for i in 0... g.npx
+        p "resizing #{i} j"
+        for j in 0...g.npy
+          picture_file_name="~/.sogoumap/0/"+ [g.resource_type,g.resource_level,((g.start_link_x+i)/200).to_s,((g.start_link_y+j)/200).to_s].join("/")+"/"+(g.start_link_x+i).to_s+"_"+(g.start_link_y+j).to_s+g.link_end
+          picture_file_name=File.expand_path(picture_file_name)
+          if File.exist?(picture_file_name) && File.size(picture_file_name)!= 0 then
+            tumb=ImageList.new.read(picture_file_name)[0] # image list to hold results
+  
+            path_file_name="~/.sogoumap/0/"+ ["179",g.resource_level,((g.start_link_x+i)/200).to_s,((g.start_link_y+j)/200).to_s].join("/")+"/"+(g.start_link_x+i).to_s+"_"+(g.start_link_y+j).to_s+".PNG"
+            path_file_name=File.expand_path(path_file_name)
+            if g.satellite_path && File.exist?(path_file_name) && File.size(path_file_name)!=0 then
+              path_tumb=ImageList.new.read(path_file_name)[0] # image list to hold results
+              tumb.composite!(path_tumb, 0, 0, OverCompositeOp)
+            end
+            #resize each to tumb
+            tumb.resize!(@tumb_x,@tumb_y)
+            #append tumb
+            ci << tumb
+            #update page
+            page.x=i*@tumb_x
+            page.y=(g.npy-1-j)*@tumb_y
+            ci.page=page
+          else
+          end
+        end
+      end
+      #mosaic
+      if ci.length==0 then
+        p "@tumb_x,@tumb_y"
+        p @tumb_x
+        p @tumb_y
+        p "g.npx,g.npy"
+        p g.npx
+        p g.npy
+        p "#{g.npx*@tumb_x}x#{g.npy*@tumb_y}"
+        ## can't work
+        resimg=ImageList.new.read("null:white") { self.size = "#{g.npx.to_i*@tumb_x.to_i}x#{g.npy.to_i*@tumb_y.to_i}"}
+      else
+        resimg=ci.mosaic
+      end
+      #crop
+      #map2pdf.rb:339:in `crop!': bignum too big to convert into `long' (RangeError)
+      resx=@tumb_x*g.npx
+      resy=@tumb_y*g.npy
+      p "front_page size"
+      p resx
+      p resy
+      resx=@page_width if resx>@page_width
+      resy=@page_height if resy>@page_height
+      resimg.crop!(SouthWestGravity,resx,resy)
+      resimg.write("itptmp#{@link_end}"){ self.quality = 100 }
+      @pdf.add_image_from_file("itptmp#{@link_end}",0,0)
+      ss = PDF::Writer::StrokeStyle.new(2)
+      @pdf.stroke_style ss
+      for i in 1...cols
+        @pdf.line(i*@page_width/cols,0,
+                  i*@page_width/cols,@page_height).stroke
+      end
+      for i in 1...rows
+        @pdf.line(0,i*@page_height/rows,
+                  @page_width,i*@page_height/rows).stroke
+      end
+      # for i in 0...rows
+      #   for j in 0...cols
+      #    p "adding #{i} #{j} link in front page"
+      #    p Time.now
+      #    @pdf.add_internal_link("map part #{i},#{j}",
+      #                           j*@page_width/cols, @page_height-i*@page_height/rows,
+      #                           (j+1)*@page_width/cols, @page_height-(i+1)*@page_height/rows)
+      #   end
+      # end
+    end
+
     def save(save_file)
       @pdf.save_as(save_file)
     end
   end
 end