示例#1
0
文件: main.c 项目: srazi/mupdf-qt
int main(int argc, char **argv)
{
	/* get filename */
	char *filename = NULL;
	if (argc != 2) {
		printf("usage: %s filename.pdf\n", argv[0]);
		return 1;
	}
	if (strcmp(argv[1], "--help") == 0) {
		printf("usage: %s filename.pdf\n", argv[0]);
		return 0;
	}
	filename = argv[1];

	/* open document */
	fz_context *context = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
	fz_document *document = fz_open_document(context, filename);

	/* print page count */
	printf("page count: %d\n", fz_count_pages(document));

	fz_close_document(document);
	fz_free_context(context);
	return 0;
}
示例#2
0
Pdf::~Pdf()
      {
      if (doc)
            fz_close_document(doc);
      doc = 0;
      --references;
      if (references == 0) {
            fz_free_context(ctx);
            ctx = 0;
            }
      }
示例#3
0
void DrPDFExtractor::Initialize()
{
    if (m_ctx) {
        fz_free_context(m_ctx);
    }
    m_ctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED);
    if (m_doc) {
        fz_close_document(m_doc);
        m_doc = NULL;
    }
}
示例#4
0
bool Pdf::open(const QString& path)
      {
      char* name = path.toLatin1().data();
      fz_try(ctx) {
            doc = fz_open_document(ctx, name);
            }
      fz_catch(ctx) {
            fz_close_document(doc);
            doc = 0;
            return false;
            }
      return true;
      }
示例#5
0
文件: mupdf.c 项目: xiaoyanit/TeXpert
static void close_doc(globals *glo)
{
	int i;

	fz_free(glo->ctx, glo->hit_bbox);
	glo->hit_bbox = NULL;

	for (i = 0; i < NUM_CACHE; i++)
		drop_page_cache(glo, &glo->pages[i]);

	fz_close_document(glo->doc);
	glo->doc = NULL;
}
示例#6
0
/* Destructor */
muctx::~muctx(void)
{
	fz_free_outline(mu_ctx, mu_outline);
	fz_close_document(mu_doc);
	page_cache->Empty(mu_ctx);
	fz_free_context(mu_ctx);

	mu_ctx = NULL;
	mu_doc = NULL;
	mu_outline = NULL;
	delete page_cache;
	page_cache = NULL;
}
示例#7
0
void muctx::CleanUp(void)
{
	fz_free_outline(mu_ctx, mu_outline);
	fz_close_document(mu_doc);
	page_cache->Empty(mu_ctx);
	fz_free_context(mu_ctx);

	delete page_cache;
	page_cache = NULL;
	this->mu_ctx = NULL;
	this->mu_doc = NULL;
	this->mu_outline = NULL;
}
示例#8
0
JNIEXPORT int JNICALL
Java_com_artifex_mupdf_MuPDFCore_openFile(JNIEnv * env, jobject thiz, jstring jfilename)
{
	const char *filename;
	int result = 0;

	filename = (*env)->GetStringUTFChars(env, jfilename, NULL);
	if (filename == NULL)
	{
		LOGE("Failed to get filename");
		return 0;
	}

	/* 128 MB store for low memory devices. Tweak as necessary. */
	ctx = fz_new_context(NULL, NULL, 128 << 20);
	if (!ctx)
	{
		LOGE("Failed to initialise context");
		return 0;
	}

	doc = NULL;
	fz_try(ctx)
	{
		colorspace = fz_device_rgb;

		LOGE("Opening document...");
		fz_try(ctx)
		{
			doc = fz_open_document(ctx, (char *)filename);
		}
		fz_catch(ctx)
		{
			fz_throw(ctx, "Cannot open document: '%s'\n", filename);
		}
		LOGE("Done!");
		result = 1;
	}
	fz_catch(ctx)
	{
		LOGE("Failed: %s", ctx->error->message);
		fz_close_document(doc);
		doc = NULL;
		fz_free_context(ctx);
		ctx = NULL;
	}

	(*env)->ReleaseStringUTFChars(env, jfilename, filename);

	return result;
}
示例#9
0
JNIEXPORT void JNICALL
Java_com_artifex_mupdf_MuPDFCore_destroying(JNIEnv * env, jobject thiz)
{
	int i;

	fz_free(ctx, hit_bbox);
	hit_bbox = NULL;

	for (i = 0; i < NUM_CACHE; i++)
		drop_page_cache(&pages[i]);

	fz_close_document(doc);
	doc = NULL;
}
示例#10
0
static void
doc_gc_free( Document *doc ) {
    VALUE rb_page;
    printf("GC Free Document: %016" PRIxPTR "\n", (uintptr_t)doc );

    for ( int pg=0; pg < fz_count_pages(doc->fz_document); pg++ ){
        rb_page = doc->pages[pg];
        if (rb_page){
            page_free(rb_page);
        }
    }
    fz_close_document(doc->fz_document);
    free(doc->pages);
    free(doc);
}
示例#11
0
void ViewerWidget::load(const QByteArray &data)
{
    scene->clear();
    QList<QGraphicsItem *> items;
    QPixmap pixmap;
    if (pixmap.loadFromData(data)) {
        items << new QGraphicsPixmapItem(pixmap);
    }
    else if (data.startsWith("%PDF")) {
        fz_stream *stream = fz_open_memory(context, (unsigned char *)data.constData(), data.length());
        fz_document *doc = fz_open_document_with_stream(context, ".pdf", stream);
        fz_close(stream);
        int pagecount = fz_count_pages(doc);
        for (int i = 0; i < pagecount; i++) {
            fz_page *page = fz_load_page(doc, i);
            fz_rect bounds;
            fz_bound_page(doc, page, &bounds);
            fz_display_list *list = fz_new_display_list(context);
            fz_device *dev = fz_new_list_device(context, list);
            fz_run_page(doc, page, dev, &fz_identity, NULL);
            fz_free_device(dev);
            fz_free_page(doc, page);
            PageItem *item = new PageItem(context, list, bounds.x1 - bounds.x0, bounds.y1 - bounds.y0);
            item->setCacheMode(QGraphicsItem::DeviceCoordinateCache);
            items << item;
        }
        fz_close_document(doc);
    } else {
        scene->setSceneRect(0, 0, 0, 0);
        return;
    }
    int top = 0;
    QPen outline(Qt::lightGray, 2, Qt::SolidLine, Qt::SquareCap, Qt::MiterJoin);
    outline.setCosmetic(true);
    foreach (QGraphicsItem *item, items) {
        QGraphicsRectItem *rim = new QGraphicsRectItem(item->boundingRect());
        item->setPos(0, top);
        rim->setPos(0, top);
        rim->setPen(outline);
        rim->setBrush(Qt::NoBrush);
        scene->addItem(rim);
        scene->addItem(item);
        top += item->boundingRect().height() + SPACING;
    }
示例#12
0
DrPDFExtractor::~DrPDFExtractor()
{
    if (m_doc) {
        fz_close_document(m_doc);
        m_doc = NULL;
    }
    if (m_ctx != NULL) {
        fz_free_context(m_ctx);
        m_ctx = NULL;
    }
    if (m_filename) {
        delete [] m_filename;
    }
    if (m_fontcache) {
        delete m_fontcache;
        m_fontcache = NULL;
    }
    m_isopen = false;
}
示例#13
0
void Mpdf::deletePdf()
{
    if (!doc)
    {
        return;
    }

    fz_close_document(doc);
    doc = NULL;

    if (!ctx)
    {
        return;
    }
    
    fz_free_context(ctx);
    ctx = NULL;

    system("ls *.png | egrep '^[0-9]' | xargs rm -rf");
}
示例#14
0
MuPDFDoc::~MuPDFDoc()
{
	CoTaskMemFree(m_cts);
	if (m_outline)
	{
		fz_free_outline(m_context, m_outline);
		m_outline = nullptr;
	}
	if (m_document)
	{
		ClearPages();
		fz_close_document(m_document);
		m_document = nullptr;
	}
	if (m_context)
	{
		fz_free_context(m_context);
		m_context = nullptr;
	}
}
示例#15
0
int wmupdf_numpages(char *filename)

    {
    fz_context *ctx;
    fz_document *doc;
    int np;

    doc=NULL;
    ctx = fz_new_context(NULL,NULL,FZ_STORE_DEFAULT);
    if (!ctx)
        return(-1);
    fz_try(ctx) { doc=fz_open_document(ctx,filename); }
    fz_catch(ctx)
        {
        fz_free_context(ctx);
        return(-2);
        }
    np=fz_count_pages(doc);
    fz_close_document(doc);
    fz_flush_warnings(ctx);
    fz_free_context(ctx);
    return(np);
    }
示例#16
0
int main(int argc, char **argv)
{
	char *filename = argv[1];
	pthread_t *thread = NULL;
	fz_locks_context locks;
	pthread_mutex_t mutex[FZ_LOCK_MAX];
	int i;

	// Initialize FZ_LOCK_MAX number of non-recursive mutexes.

	for (i = 0; i < FZ_LOCK_MAX; i++)
	{
		if (pthread_mutex_init(&mutex[i], NULL) < 0)
			fail("pthread_mutex_init()");
	}

	// Initialize the locking structure with function pointers to
	// the locking functions and to the user data. In this case
	// the user data is a pointer to the array of mutexes so the
	// locking functions can find the relevant lock to change when
	// they are called. This way we avoid global variables.

	locks.user = mutex;
	locks.lock = lock_mutex;
	locks.unlock = unlock_mutex;

	// This is the main threads context function, so supply the
	// locking structure. This context will be used to parse all
	// the pages from the document.

	fz_context *ctx = fz_new_context(NULL, &locks, FZ_STORE_UNLIMITED);

	// Open the PDF, XPS or CBZ document.

	fz_document *doc = fz_open_document(ctx, filename);

	// Retrieve the number of pages, which translates to the
	// number of threads used for rendering pages.

	int threads = fz_count_pages(doc);
	fprintf(stderr, "spawning %d threads, one per page...\n", threads);

	thread = malloc(threads * sizeof (pthread_t));

	for (i = 0; i < threads; i++)
	{
		// Load the relevant page for each thread.

		fz_page *page = fz_load_page(doc, i);

		// Compute the bounding box for each page.

		fz_rect rect = fz_bound_page(doc, page);
		fz_bbox bbox = fz_round_rect(rect);

		// Create a display list that will hold the drawing
		// commands for the page.

		fz_display_list *list = fz_new_display_list(ctx);

		// Run the loaded page through a display list device
		// to populate the page's display list.

		fz_device *dev = fz_new_list_device(ctx, list);
		fz_run_page(doc, page, dev, fz_identity, NULL);
		fz_free_device(dev);

		// The page is no longer needed, all drawing commands
		// are now in the display list.

		fz_free_page(doc, page);

		// Create a white pixmap using the correct dimensions.

		fz_pixmap *pix = fz_new_pixmap_with_bbox(ctx,
			fz_device_rgb, bbox);
		fz_clear_pixmap_with_value(ctx, pix, 0xff);

		// Populate the data structure to be sent to the
		// rendering thread for this page.

		struct data *data = malloc(sizeof (struct data));

		data->pagenumber = i + 1;
		data->ctx = ctx;
		data->list = list;
		data->bbox = bbox;
		data->pix = pix;

		// Create the thread and pass it the data structure.

		if (pthread_create(&thread[i], NULL, renderer, data) < 0)
			fail("pthread_create()");
	}

	// Now each thread is rendering pages, so wait for each thread
	// to complete its rendering.

	fprintf(stderr, "joining %d threads...\n", threads);
	for (i = threads - 1; i >= 0; i--)
	{
		char filename[42];
		struct data *data;

		if (pthread_join(thread[i], (void **) &data) < 0)
			fail("pthread_join");

		sprintf(filename, "out%04d.png", i);
		fprintf(stderr, "\tSaving %s...\n", filename);

		// Write the rendered image to a PNG file

		fz_write_png(ctx, data->pix, filename, 0);

		// Free the thread's pixmap and display list since
		// they were allocated by the main thread above.

		fz_drop_pixmap(ctx, data->pix);
		fz_free_display_list(ctx, data->list);

		// Free the data structured passed back and forth
		// between the main thread and rendering thread.

		free(data);
	}

	fprintf(stderr, "finally!\n");
	fflush(NULL);

	free(thread);

	// Finally the document is closed and the main thread's
	// context is freed.

	fz_close_document(doc);
	fz_free_context(ctx);

	return 0;
}
示例#17
0
/*
** Returns 0 if got dimensions.
*/
int bmpmupdf_pdffile_width_and_height(char *filename,int pageno,double *width_in,double *height_in)

    {
    fz_context *ctx;
    fz_document *doc;
    fz_page *page;
    fz_display_list *list;
    fz_device *dev;
    fz_rect bounds;
    int np;

    dev=NULL;
    list=NULL;
    page=NULL;
    doc=NULL;
    if (pageno<1)
        return(-99);
    ctx = fz_new_context(NULL,NULL,FZ_STORE_DEFAULT);
    if (!ctx)
        return(-1);
    fz_try(ctx)
    {
    fz_register_document_handlers(ctx);
    fz_set_aa_level(ctx,8);
    /* Sumatra version of MuPDF v1.4 -- use locally installed fonts */
    pdf_install_load_system_font_funcs(ctx);
    fz_try(ctx) { doc=fz_open_document(ctx,filename); }
    fz_catch(ctx) 
        { 
        fz_free_context(ctx);
        return(-1);
        }
    np=fz_count_pages(doc);
    if (pageno>np)
        return(-99);
    fz_try(ctx) { page = fz_load_page(doc,pageno-1); }
    fz_catch(ctx) 
        {
        fz_close_document(doc);
        fz_free_context(ctx);
        return(-3);
        }
    fz_try(ctx) { list=fz_new_display_list(ctx);
                  dev=fz_new_list_device(ctx,list);
                  fz_run_page(doc,page,dev,&fz_identity,NULL);
                }
    fz_catch(ctx)
        {
        fz_free_device(dev);
        fz_drop_display_list(ctx,list);
        fz_free_page(doc,page);
        fz_close_document(doc);
        fz_free_context(ctx);
        return(-4);
        }
    fz_free_device(dev);
    dev=NULL;
    fz_bound_page(doc,page,&bounds);
    if (width_in!=NULL)
        (*width_in)=fabs(bounds.x1-bounds.x0)/72.;
    if (height_in!=NULL)
        (*height_in)=fabs(bounds.y1-bounds.y0)/72.;
    fz_drop_display_list(ctx,list);
    fz_free_page(doc,page);
    fz_close_document(doc);
    } 
    fz_catch(ctx) /* Error registering */
    {
    fz_free_context(ctx);
    return(-20);
    }
    fz_free_context(ctx);
    return(0);
    }
示例#18
0
void render(char *filename, int pagenumber, int zoom, int rotation)
{
	// Create a context to hold the exception stack and various caches.

	fz_context *ctx = fz_new_context(NULL, NULL, FZ_STORE_UNLIMITED);

	// Open the PDF, XPS or CBZ document.

	fz_document *doc = fz_open_document(ctx, filename);

	// Retrieve the number of pages (not used in this example).

	int pagecount = fz_count_pages(doc);

	// Load the page we want. Page numbering starts from zero.

	fz_page *page = fz_load_page(doc, pagenumber - 1);

	// Calculate a transform to use when rendering. This transform
	// contains the scale and rotation. Convert zoom percentage to a
	// scaling factor. Without scaling the resolution is 72 dpi.

	fz_matrix transform;
	fz_rotate(&transform, rotation);
	fz_pre_scale(&transform, zoom / 100.0f, zoom / 100.0f);

	// Take the page bounds and transform them by the same matrix that
	// we will use to render the page.

	fz_rect bounds;
	fz_bound_page(doc, page, &bounds);
	fz_transform_rect(&bounds, &transform);

	// Create a blank pixmap to hold the result of rendering. The
	// pixmap bounds used here are the same as the transformed page
	// bounds, so it will contain the entire page. The page coordinate
	// space has the origin at the top left corner and the x axis
	// extends to the right and the y axis extends down.

	fz_irect bbox;
	fz_round_rect(&bbox, &bounds);
	fz_pixmap *pix = fz_new_pixmap_with_bbox(ctx, fz_device_rgb(ctx), &bbox);
	fz_clear_pixmap_with_value(ctx, pix, 0xff);

	// A page consists of a series of objects (text, line art, images,
	// gradients). These objects are passed to a device when the
	// interpreter runs the page. There are several devices, used for
	// different purposes:
	//
	//	draw device -- renders objects to a target pixmap.
	//
	//	text device -- extracts the text in reading order with styling
	//	information. This text can be used to provide text search.
	//
	//	list device -- records the graphic objects in a list that can
	//	be played back through another device. This is useful if you
	//	need to run the same page through multiple devices, without
	//	the overhead of parsing the page each time.

	// Create a draw device with the pixmap as its target.
	// Run the page with the transform.

	fz_device *dev = fz_new_draw_device(ctx, pix);
	fz_run_page(doc, page, dev, &transform, NULL);
	fz_free_device(dev);

	// Save the pixmap to a file.

	fz_write_png(ctx, pix, "out.png", 0);

	// Clean up.

	fz_drop_pixmap(ctx, pix);
	fz_free_page(doc, page);
	fz_close_document(doc);
	fz_free_context(ctx);
}
示例#19
0
int main(int argc, char **argv) {
	fz_document *doc = NULL;
	int c;
	fz_context *ctx;

	fz_var(doc);

	yctx = yutani_init();

	char * _width  = getenv("WIDTH");
	char * _height = getenv("HEIGHT");
	width  = _width  ? atoi(_width)  : 512;
	height = _height ? atoi(_height) : 512;

	init_decorations();

	window = yutani_window_create(yctx, width + decor_width(), height + decor_height());
	yutani_window_move(yctx, window, 50, 50);

	yutani_window_advertise_icon(yctx, window, "PDF Viewer", "pdfviewer");

	gfx_ctx = init_graphics_yutani(window);
	draw_fill(gfx_ctx,rgb(0,0,0));
	render_decorations(window, gfx_ctx, "PDFViewer - Loading...");

	while ((c = fz_getopt(argc, argv, "wf")) != -1) {
		switch (c) {
			case 'f':
				fit = 1;
				break;
		}
	}

	ctx = fz_new_context(NULL, NULL, FZ_STORE_DEFAULT);
	if (!ctx) {
		fprintf(stderr, "Could not initialize fitz context.\n");
		exit(1);
	}

	fz_set_aa_level(ctx, alphabits);
	colorspace = fz_device_rgb;

	fz_try(ctx) {
		while (fz_optind < argc)
		{
			fz_try(ctx)
			{
				filename = argv[fz_optind++];
				files++;

				fz_try(ctx)
				{
					doc = fz_open_document(ctx, filename);
				}
				fz_catch(ctx)
				{
					fz_throw(ctx, "cannot open document: %s", filename);
				}

				if (fz_optind == argc || !isrange(argv[fz_optind]))
					drawrange(ctx, doc, "1-");
				if (fz_optind < argc && isrange(argv[fz_optind]))
					drawrange(ctx, doc, argv[fz_optind++]);

				fz_close_document(doc);
				doc = NULL;
			}
			fz_catch(ctx)
			{
				if (!ignore_errors)
					fz_rethrow(ctx);

				fz_close_document(doc);
				doc = NULL;
				fz_warn(ctx, "ignoring error in '%s'", filename);
			}
		}
	}
	fz_catch(ctx) {
		fz_close_document(doc);
		fprintf(stderr, "error: cannot draw '%s'\n", filename);
		errored = 1;
	}

	fz_free_context(ctx);

	return (errored != 0);
}
示例#20
0
int bmpmupdf_pdffile_to_bmp(WILLUSBITMAP *bmp,char *filename,int pageno,double dpi,
                            int bpp)

    {
    fz_context *ctx;
    fz_colorspace *colorspace;
    fz_document *doc;
    fz_page *page;
    fz_display_list *list;
    fz_device *dev;
    fz_pixmap *pix;
    double dpp;
    fz_rect bounds,bounds2;
    fz_matrix ctm;
    fz_irect bbox;
//    fz_glyph_cache *glyphcache;
//    fz_error error;
    int np,status;

    dev=NULL;
    list=NULL;
    page=NULL;
    doc=NULL;
    status=0;
    if (pageno<1)
        return(-99);
    ctx = fz_new_context(NULL,NULL,FZ_STORE_DEFAULT);
    if (!ctx)
        return(-1);
    fz_try(ctx)
    {
    fz_register_document_handlers(ctx);
    fz_set_aa_level(ctx,8);
    /* Sumatra version of MuPDF v1.4 -- use locally installed fonts */
    pdf_install_load_system_font_funcs(ctx);
//    fz_accelerate();
//    glyphcache=fz_new_glyph_cache();
    colorspace=(bpp==8 ? fz_device_gray(ctx) : fz_device_rgb(ctx));
    fz_try(ctx) { doc=fz_open_document(ctx,filename); }
    fz_catch(ctx) 
        { 
        fz_free_context(ctx);
        return(-1);
        }
    /*
    if (fz_needs_password(doc) && !fz_authenticate_password(doc,password))
        return(-2);
    */
//    error=pdf_load_page_tree(xref);
//    if (error)
//        {
//        pdf_free_xref(xref);
//        return(-2);
//        }

    np=fz_count_pages(doc);
    if (pageno>np)
        return(-99);
    fz_try(ctx) { page = fz_load_page(doc,pageno-1); }
    fz_catch(ctx) 
        {
        fz_close_document(doc);
        fz_free_context(ctx);
        return(-3);
        }
    fz_try(ctx) { list=fz_new_display_list(ctx);
                  dev=fz_new_list_device(ctx,list);
                  fz_run_page(doc,page,dev,&fz_identity,NULL);
                }
    fz_catch(ctx)
        {
        fz_free_device(dev);
        fz_drop_display_list(ctx,list);
        fz_free_page(doc,page);
        fz_close_document(doc);
        fz_free_context(ctx);
        return(-4);
        }
    fz_free_device(dev);
    dev=NULL;
    dpp=dpi/72.;
    pix=NULL;
    fz_var(pix);
    fz_bound_page(doc,page,&bounds);
    ctm=fz_identity;
    fz_scale(&ctm,dpp,dpp);
//    ctm=fz_concat(ctm,fz_rotate(rotation));
    bounds2=bounds;
    fz_transform_rect(&bounds2,&ctm);
    fz_round_rect(&bbox,&bounds2);
//    ctm=fz_translate(0,-page->mediabox.y1);
//    ctm=fz_concat(ctm,fz_scale(dpp,-dpp));
//    ctm=fz_concat(ctm,fz_rotate(page->rotate));
//    ctm=fz_concat(ctm,fz_rotate(0));
//    bbox=fz_round_rect(fz_transform_rect(ctm,page->mediabox));
//    pix=fz_new_pixmap_with_rect(colorspace,bbox);
    fz_try(ctx)
        {
        pix=fz_new_pixmap_with_bbox(ctx,colorspace,&bbox);
        fz_clear_pixmap_with_value(ctx,pix,255);
        dev=fz_new_draw_device(ctx,pix);
        if (list)
            fz_run_display_list(list,dev,&ctm,&bounds2,NULL);
        else
            fz_run_page(doc,page,dev,&ctm,NULL);
        fz_free_device(dev);
        dev=NULL;
        status=bmpmupdf_pixmap_to_bmp(bmp,ctx,pix);
        fz_drop_pixmap(ctx,pix);
        }
    fz_catch(ctx)
        {
        fz_free_device(dev);
        fz_drop_pixmap(ctx,pix);
        fz_drop_display_list(ctx,list);
        fz_free_page(doc,page);
        fz_close_document(doc);
        fz_free_context(ctx);
        return(-5);
        }
    if (list)
        fz_drop_display_list(ctx,list);
    fz_free_page(doc,page);
//    pdf_free_xref(xref);
    fz_close_document(doc);
    fz_flush_warnings(ctx);
    } /* fz_catch before registering handlers */
    fz_catch(ctx) /* Error registering */
    {
    status = -10;
    }
    fz_free_context(ctx);
//    fz_free_glyph_cache(glyphcache);
//    fz_flush_warnings();
    if (status<0)
        return(status-10);
    return(0);
    }
示例#21
0
文件: mupdf.c 项目: xiaoyanit/TeXpert
JNIEXPORT jlong JNICALL
JNI_FN(MuPDF_openFile)(JNIEnv * env, jobject thiz, jstring jfilename)
{
	const char *filename;
	globals    *glo;
	fz_context *ctx;
	jclass      clazz;

#ifdef NDK_PROFILER
	monstartup("libmupdf.so");
#endif

	clazz = (*env)->GetObjectClass(env, thiz);
	global_fid = (*env)->GetFieldID(env, clazz, "globals", "J");

	glo = calloc(1, sizeof(*glo));
	if (glo == NULL)
		return 0;
	glo->resolution = 160;
	
	filename = (*env)->GetStringUTFChars(env, jfilename, NULL);
	if (filename == NULL)
	{
		LOGE("Failed to get filename");
		free(glo);
		return 0;
	}

	/* 128 MB store for low memory devices. Tweak as necessary. */
	glo->ctx = ctx = fz_new_context(NULL, NULL, 128 << 20);
	if (!ctx)
	{
		LOGE("Failed to initialise context");
		(*env)->ReleaseStringUTFChars(env, jfilename, filename);
		free(glo);
		return 0;
	}

	glo->doc = NULL;
	fz_try(ctx)
	{
		glo->colorspace = fz_device_rgb;

		LOGE("Opening document...");
		fz_try(ctx)
		{
			glo->current_path = fz_strdup(ctx, (char *)filename);
			glo->doc = fz_open_document(ctx, (char *)filename);
		}
		fz_catch(ctx)
		{
			fz_throw(ctx, "Cannot open document: '%s'", filename);
		}
		LOGE("Done!");
	}
	fz_catch(ctx)
	{
		LOGE("Failed: %s", ctx->error->message);
		fz_close_document(glo->doc);
		glo->doc = NULL;
		fz_free_context(ctx);
		glo->ctx = NULL;
		free(glo);
		glo = NULL;
	}

	(*env)->ReleaseStringUTFChars(env, jfilename, filename);

	return (jlong)(void *)glo;
}
示例#22
0
文件: least.c 项目: meridion/least
int main (int argc, char **argv) {
    fz_context *context;
    int *pageinfo = NULL;
    /* int i; */

    /* Initialises mutexes required for Fitz locking */
    init_least_context_locks();

    context = fz_new_context(NULL, &least_context_locks, FZ_STORE_DEFAULT);
    if (!context)
        fprintf(stderr, "Failed to create context\n");

    if (force_thread_count)
        thread_count = force_thread_count;
    else
        thread_count = sysconf(_SC_NPROCESSORS_ONLN);

    if (argc == 2) {
        /* Initialize OpenGL window */
        setup_sdl();

        /* Start render threads */
        init_threads(thread_count, context);

        /*
         * At this point, we should have a properly setup
         * double-buffered window for use with OpenGL.
         */
        setup_opengl(w, h);
        init_busy_texture();

        /* Check for non-power-of-two support */
        /* printf("Extensions are: %s\n", glGetString(GL_EXTENSIONS)); */
        if (strstr((const char *)glGetString(GL_EXTENSIONS),
            "GL_ARB_texture_non_power_of_two")) {
            puts("Machine supports NPOT textures.");
            power_of_two = 0;
        } else {
            puts("Machine supports POT textures only.");
            power_of_two = 1;
        }

        power_of_two |= force_power_of_two;

        /* Load textures from PDF file */
        open_pdf(context, argv[1]);

        /*
         * Now we want to begin our normal app process--
         * an event loop with a lot of redrawing.
         */

        while (1) {
            /* Process incoming events. */
            process_events();

            /* Update cache state */
            update_cache();

            if (redraw) {
                /*
                glDeleteTextures(pagec, pages);
                open_pdf(context, argv[1]);
                */
                redraw = 0;
                draw_screen();
            }

            /*
            pageinfo = NULL;
            for(i = 0; i < visible_pages(pageinfo); i++) {
                printf("%d, ", i);
            }
            printf("\n");
            */

            free(pageinfo);
        }


    }


    fz_close_document(doc);
    fz_free_context(context);

    return 0;
}