Attachment 58347 Details for Bug 32340 – flip images using CSS

[patch] flip images using CSS

flip-using-css-v1.diff (text/plain), 3.72 KB, created by Ihar Filipau on 2012-03-12 18:14:03 UTC

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Creator: Ihar Filipau

Created: 2012-03-12 18:14:03 UTC

Size: 3.72 KB

patch

obsolete

>diff --git a/utils/HtmlOutputDev.cc b/utils/HtmlOutputDev.cc
>index 17541a2..c24692b 100644
>--- a/utils/HtmlOutputDev.cc
>+++ b/utils/HtmlOutputDev.cc
>@@ -774,6 +774,42 @@ void HtmlPage::dumpAsXML(FILE* f,int page){
>   fputs("</page>\n",f);
> }
> 
>+static void printCSS(FILE *f)
>+{
>+  // Image flip/flop CSS
>+  // Source:
>+  // http://stackoverflow.com/questions/1309055/cross-browser-way-to-flip-html-image-via-javascript-css
>+  // tested in Chrome, Fx (Linux) and IE9 (W7)
>+  static const char css[] = 
>+    "<STYLE type=\"text/css\">" "\n"
>+    "" "\n"
>+    "</STYLE>" "\n";
>+
>+  fwrite( css, sizeof(css)-1, 1, f );
>+}
>+
> int HtmlPage::dumpComplexHeaders(FILE * const file, FILE *& pageFile, int page) {
>   GooString* tmp;
> 
>@@ -902,20 +938,27 @@ void HtmlPage::dump(FILE *f, int pageNum)
>     int listlen=imgList->getLength();
>     for (int i = 0; i < listlen; i++) {
>       HtmlImage *img = (HtmlImage*)imgList->del(0);
>-      fprintf(f,"<IMG src=\"%s\"/><br/>\n",img->fName->getCString());
>+
>+      // see printCSS() for class names
>+      const char *styles[4] = { "", " class=\"xflip\"", " class=\"yflip\"", " class=\"xyflip\"" };
>+      int style_index=0;
>+      if (img->xMin > img->xMax) style_index += 1; // xFlip
>+      if (img->yMin > img->yMax) style_index += 2; // yFlip
>+
>+      fprintf(f,"<IMG%s src=\"%s\"/><br/>\n",styles[style_index],img->fName->getCString());
>       delete img;
>     }
> 
>     GooString* str;
>     for(HtmlString *tmp=yxStrings;tmp;tmp=tmp->yxNext){
>       if (tmp->htext){
>-		str=new GooString(tmp->htext); 
>-		fputs(str->getCString(),f);
>-		delete str;      
>-		fputs("<br/>\n",f);
>+        str=new GooString(tmp->htext);
>+        fputs(str->getCString(),f);
>+        delete str;
>+        fputs("<br/>\n",f);
>       }
>     }
>-	fputs("<hr>\n",f);  
>+    fputs("<hr>\n",f);  
>   }
> }
> 
>@@ -1108,20 +1151,22 @@ HtmlOutputDev::HtmlOutputDev(Catalog *catalogA, char *fileName, char *title,
>              delete str;
>          }
>      }
>-	if (!complexMode)
>-	{	/* not in complex mode */
>-		
>+     if (!complexMode)
>+     {  /* not in complex mode */
>+
>        GooString* right=new GooString(fileName);
>        right->append("s.html");
> 
>        if (!(page=fopen(right->getCString(),"w"))){
>         error(errIO, -1, "Couldn't open html file '{0:t}'", right);
>         delete right;
>-		return;
>+        return;
>        }
>        delete right;
>        fputs(DOCTYPE, page);
>-       fputs("<HTML>\n<HEAD>\n<TITLE></TITLE>\n</HEAD>\n<BODY>\n",page);
>+       fputs("<HTML>\n<HEAD>\n<TITLE></TITLE>\n",page);
>+       printCSS(page);
>+       fputs("</HEAD>\n<BODY>\n",page);
>      }
>   }
> 
>@@ -1153,6 +1198,7 @@ HtmlOutputDev::HtmlOutputDev(Catalog *catalogA, char *fileName, char *title,
>       fprintf(page, "<META http-equiv=\"Content-Type\" content=\"text/html; charset=%s\"/>\n", htmlEncoding->getCString());
>       
>       dumpMetaVars(page);
>+      printCSS(page);
>       fprintf(page,"</HEAD>\n");
>       fprintf(page,"<BODY bgcolor=\"#A0A0A0\" vlink=\"blue\" link=\"blue\">\n");
>     }

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