//
// MuPageViewReflow.m
// MuPDF
//
// Copyright (c) 2013 Artifex Software, Inc. All rights reserved.
//
#include "common.h"
#import "MuPageViewReflow.h"
NSString *textAsHtml(fz_document *doc, int pageNum)
{
NSString *str = nil;
fz_page *page = NULL;
fz_text_sheet *sheet = NULL;
fz_text_page *text = NULL;
fz_device *dev = NULL;
fz_matrix ctm;
fz_buffer *buf = NULL;
fz_output *out = NULL;
fz_var(page);
fz_var(sheet);
fz_var(text);
fz_var(dev);
fz_var(buf);
fz_var(out);
fz_try(ctx)
{
int b, l, s, c;
ctm = fz_identity;
sheet = fz_new_text_sheet(ctx);
text = fz_new_text_page(ctx);
dev = fz_new_text_device(ctx, sheet, text);
page = fz_load_page(doc, pageNum);
fz_run_page(doc, page, dev, &ctm, NULL);
fz_free_device(dev);
dev = NULL;
fz_analyze_text(ctx, sheet, text);
buf = fz_new_buffer(ctx, 256);
out = fz_new_output_with_buffer(ctx, buf);
fz_printf(out, "\n");
fz_printf(out, "\n");
fz_printf(out, "");
fz_print_text_page_html(ctx, out, text);
fz_printf(out, "
\n");
fz_printf(out, "\n\n");
fz_close_output(out);
out = NULL;
str = [[[NSString alloc] initWithBytes:buf->data length:buf->len encoding:NSUTF8StringEncoding] autorelease];
}
fz_always(ctx)
{
fz_free_text_page(ctx, text);
fz_free_text_sheet(ctx, sheet);
fz_free_device(dev);
fz_close_output(out);
fz_drop_buffer(ctx, buf);
fz_free_page(doc, page);
}
fz_catch(ctx)
{
str = nil;
}
return str;
}
@implementation MuPageViewReflow
- (id)initWithFrame:(CGRect)frame document:(MuDocRef *)aDoc page:(int)aNumber
{
self = [super initWithFrame:frame];
if (self) {
number = aNumber;
scale = 1.0;
self.scalesPageToFit = NO;
[self setDelegate:self];
dispatch_async(queue, ^{
__block NSString *cont = [textAsHtml(aDoc->doc, aNumber) retain];
dispatch_async(dispatch_get_main_queue(), ^{
[self loadHTMLString:cont baseURL:nil];
});
});
}
return self;
}
-(void) webViewDidFinishLoad:(UIWebView *)webView
{
[self stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"document.getElementById('content').style.zoom=\"%f\"", scale]];
}
-(void) dealloc
{
[self setDelegate:nil];
[super dealloc];
}
-(int) number
{
return number;
}
-(void) willRotate {}
-(void) showLinks {}
-(void) hideLinks {}
-(void) showSearchResults: (int)count {}
-(void) clearSearchResults {}
-(void) textSelectModeOn {}
-(void) textSelectModeOff {}
-(void) saveMarkup:(int)type {}
-(void) resetZoomAnimated: (BOOL)animated
{
[self.scrollView setContentOffset:CGPointZero animated:NO];
}
-(void) setScale:(float)aFloat
{
scale = aFloat;
[self stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"document.getElementById('content').style.zoom=\"%f\"", scale]];
}
-(MuTapResult *) handleTap:(CGPoint)pt
{
return nil;
}
@end