static void pdfapp_loadpage_pdf(pdfapp_t *app)
{
pdf_page *page;
fz_error error;
fz_device *mdev;
error = pdf_load_page(&page, app->xref, app->pageno - 1);
if (error)
pdfapp_error(app, error);
app->page_bbox = page->mediabox;
app->page_rotate = page->rotate;
app->page_links = page->links;
page->links = NULL;
/* Create display list */
app->page_list = fz_new_display_list();
mdev = fz_new_list_device(app->page_list);
error = pdf_run_page(app->xref, page, mdev, fz_identity);
if (error)
{
error = fz_rethrow(error, "cannot draw page %d in '%s'", app->pageno, app->doctitle);
pdfapp_error(app, error);
}
fz_free_device(mdev);
pdf_free_page(page);
pdf_age_store(app->xref->store, 3);
}
static void pdfapp_loadpage_xps(pdfapp_t *app)
{
xps_page *page;
fz_device *mdev;
fz_error error;
error = xps_load_page(&page, app->xps, app->pageno - 1);
if (error)
pdfapp_error(app, fz_rethrow(error, "cannot load page %d in file '%s'", app->pageno, app->doctitle));
app->page_bbox.x0 = 0;
app->page_bbox.y0 = 0;
app->page_bbox.x1 = page->width;
app->page_bbox.y1 = page->height;
app->page_rotate = 0;
app->page_links = NULL;
/* Create display list */
app->page_list = fz_new_display_list();
mdev = fz_new_list_device(app->page_list);
app->xps->dev = mdev;
xps_parse_fixed_page(app->xps, fz_identity, page);
app->xps->dev = NULL;
fz_free_device(mdev);
xps_free_page(app->xps, page);
}
fz_display_list *
fz_new_display_list_from_annot(fz_context *ctx, fz_annot *annot)
{
fz_display_list *list;
fz_rect bounds;
fz_device *dev;
list = fz_new_display_list(ctx, fz_bound_annot(ctx, annot, &bounds));
fz_try(ctx)
{
dev = fz_new_list_device(ctx, list);
fz_run_annot(ctx, annot, dev, &fz_identity, NULL);
fz_close_device(ctx, dev);
}
fz_always(ctx)
{
fz_drop_device(ctx, dev);
}
fz_catch(ctx)
{
fz_drop_display_list(ctx, list);
fz_rethrow(ctx);
}
return list;
}
static fz_display_list* _pdf_doc_get_list(
struct _pdf_doc *self, int pageno)
{
pdf_page *page;
if (self->disps[pageno])
return self->disps[pageno];
page = _pdf_doc_get_page(self, pageno);
if (NULL == self->disps[pageno]) {
fz_error err;
fz_device *mdev;
self->disps[pageno] = fz_new_display_list();
mdev = fz_new_list_device(self->disps[pageno]);
err = pdf_run_page(self->xref, page, mdev, fz_identity);
if (err) {
mume_error(("pdf_run_page(%d): %d\n", pageno, err));
}
fz_free_device(mdev);
}
return self->disps[pageno];
}
fz_display_list *
fz_new_display_list_from_page(fz_context *ctx, fz_page *page)
{
fz_display_list *list;
fz_device *dev;
list = fz_new_display_list(ctx);
fz_try(ctx)
{
dev = fz_new_list_device(ctx, list);
fz_run_page(ctx, page, dev, &fz_identity, NULL);
}
fz_always(ctx)
{
fz_drop_device(ctx, dev);
}
fz_catch(ctx)
{
fz_drop_display_list(ctx, list);
fz_rethrow(ctx);
}
return list;
}
JNIEXPORT void JNICALL
Java_com_artifex_mupdf_MuPDFCore_gotoPageInternal(JNIEnv *env, jobject thiz, int page)
{
float zoom;
fz_matrix ctm;
fz_bbox bbox;
fz_device *dev = NULL;
pdf_page *currentPage = NULL;
fz_var(dev);
fz_var(currentPage);
/* In the event of an error, ensure we give a non-empty page */
pageWidth = 100;
pageHeight = 100;
LOGE("Goto page %d...", page);
fz_try(ctx)
{
if (currentPageList != NULL)
{
fz_free_display_list(ctx, currentPageList);
currentPageList = NULL;
}
pagenum = page;
currentPage = pdf_load_page(xref, pagenum);
zoom = resolution / 72;
currentMediabox = pdf_bound_page(xref, currentPage);
ctm = fz_scale(zoom, zoom);
bbox = fz_round_rect(fz_transform_rect(ctm, currentMediabox));
pageWidth = bbox.x1-bbox.x0;
pageHeight = bbox.y1-bbox.y0;
/* Render to list */
currentPageList = fz_new_display_list(ctx);
dev = fz_new_list_device(ctx, currentPageList);
pdf_run_page(xref, currentPage, dev, fz_identity, NULL);
}
fz_catch(ctx)
{
LOGE("cannot make displaylist from page %d", pagenum);
}
pdf_free_page(ctx, currentPage);
currentPage = NULL;
fz_free_device(dev);
dev = NULL;
}
QImage render(qreal dpiX, qreal dpiY, const QRectF& rect) {
if (m_init) {
fz_scale(&m_matrix, dpiX / 72.0f, dpiY / 72.0f);
fz_bound_page(m_ctx, m_page, &m_bound);
fz_transform_rect(&m_bound, &m_matrix);
m_init = false;
}
if (!m_list) {
m_list = fz_new_display_list(m_ctx);
}
if (!m_dev) {
m_dev = fz_new_list_device(m_ctx, m_list);
fz_run_page(m_ctx, m_page, m_dev, &m_matrix, 0);
}
fz_matrix tile;
fz_translate(&tile, -m_bound.x0, -m_bound.y0);
fz_pre_translate(&tile, -rect.x(), -rect.y());
fz_rect tr;
tr.x0 = tr.y0 = 0.0;
int width = tr.x1 = rect.width();
int height = tr.y1 = rect.height();
QImage image(width, height, QImage::Format_RGB32);
image.fill(Qt::white); // TODO: configurable
fz_pixmap* pixmap =
fz_new_pixmap_with_data(m_ctx,
fz_device_bgr(m_ctx),
image.width(),
image.height(),
image.bits());
fz_device *device = fz_new_draw_device(m_ctx, pixmap);
fz_run_display_list(m_ctx, m_list, device, &tile, &tr, 0);
fz_drop_device(m_ctx, device);
fz_drop_pixmap(m_ctx, pixmap);
return image;
}
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;
}
HRESULT MuPDFDoc::LoadTwoPages(unsigned char *bitmap1, int pageNum1, unsigned char *bitmap2, int pageNum2, int width, int height, Data **data1, Data **data2)
{
GotoPage(pageNum1);
fz_device *dev = nullptr;
fz_pixmap *pixmap = nullptr;
fz_var(dev);
fz_var(pixmap);
PageCache *pageCache = &m_pages[m_currentPage];
fz_try(m_context)
{
m_cts->abort = 0;
fz_interactive *idoc = fz_interact(m_document);
// Call fz_update_page now to ensure future calls yield the
// changes from the current state
if (idoc)
fz_update_page(idoc, pageCache->page);
if (!pageCache->pageList)
{
/* Render to list */
pageCache->pageList = fz_new_display_list(m_context);
dev = fz_new_list_device(m_context, pageCache->pageList);
fz_run_page_contents(m_document, pageCache->page, dev, fz_identity, nullptr);
}
if (!pageCache->annotList)
{
if (dev)
{
fz_free_device(dev);
dev = nullptr;
}
pageCache->annotList = fz_new_display_list(m_context);
dev = fz_new_list_device(m_context, pageCache->annotList);
for (fz_annot *annot = fz_first_annot(m_document, pageCache->page); annot; annot = fz_next_annot(m_document, annot))
fz_run_annot(m_document, pageCache->page, annot, dev, fz_identity, nullptr);
}
fz_bbox rect;
rect.x0 = 0;
rect.y0 = 0;
rect.x1 = width;
rect.y1 = height;
pixmap = fz_new_pixmap_with_bbox_and_data(m_context, fz_device_bgr, rect, bitmap1);
if (!pageCache->pageList && !pageCache->annotList)
{
fz_clear_pixmap_with_value(m_context, pixmap, 0xd0);
break;
}
fz_clear_pixmap_with_value(m_context, pixmap, 0xff);
*data1 = (Data*)CoTaskMemAlloc(sizeof(Data));
(*data1)->pagenumber = pageNum1;
(*data1)->cacheNumber = m_currentPage;
(*data1)->ctx = m_context;
(*data1)->list = pageCache->pageList;
(*data1)->annotList = pageCache->annotList;
(*data1)->bbox = rect;
(*data1)->rect = pageCache->mediaBox;
(*data1)->pix = pixmap;
(*data1)->width = width;
(*data1)->height = height;
}
fz_catch(m_context)
{
return E_FAIL;
}
GotoPage(pageNum2);
fz_device *dev1 = nullptr;
fz_pixmap *pixmap1 = nullptr;
fz_var(dev1);
fz_var(pixmap1);
PageCache *pageCache1 = &m_pages[m_currentPage];
fz_try(m_context)
{
fz_interactive *idoc = fz_interact(m_document);
// Call fz_update_page now to ensure future calls yield the
// changes from the current state
if (idoc)
fz_update_page(idoc, pageCache1->page);
if (!pageCache1->pageList)
{
/* Render to list */
pageCache1->pageList = fz_new_display_list(m_context);
dev1 = fz_new_list_device(m_context, pageCache1->pageList);
fz_run_page_contents(m_document, pageCache1->page, dev1, fz_identity, nullptr);
}
if (!pageCache1->annotList)
{
if (dev1)
{
fz_free_device(dev1);
dev1 = nullptr;
}
pageCache1->annotList = fz_new_display_list(m_context);
dev1 = fz_new_list_device(m_context, pageCache1->annotList);
for (fz_annot *annot = fz_first_annot(m_document, pageCache1->page); annot; annot = fz_next_annot(m_document, annot))
fz_run_annot(m_document, pageCache1->page, annot, dev1, fz_identity, nullptr);
}
fz_bbox rect;
rect.x0 = 0;
rect.y0 = 0;
rect.x1 = width;
rect.y1 = height;
pixmap1 = fz_new_pixmap_with_bbox_and_data(m_context, fz_device_bgr, rect, bitmap2);
if (!pageCache1->pageList && !pageCache1->annotList)
{
fz_clear_pixmap_with_value(m_context, pixmap1, 0xd0);
break;
}
fz_clear_pixmap_with_value(m_context, pixmap1, 0xff);
*data2 = (Data*)CoTaskMemAlloc(sizeof(Data));
(*data2)->pagenumber = pageNum2;
(*data2)->cacheNumber = m_currentPage;
(*data2)->ctx = m_context;
(*data2)->list = pageCache1->pageList;
(*data2)->annotList = pageCache->annotList;
(*data2)->bbox = rect;
(*data2)->rect = pageCache1->mediaBox;
(*data2)->pix = pixmap1;
(*data2)->width = width;
(*data2)->height = height;
}
fz_catch(m_context)
{
return E_FAIL;
}
return S_OK;
}
static void drawpage(fz_context *ctx, fz_document *doc, int pagenum)
{
fz_page *page;
fz_display_list *list = NULL;
fz_device *dev = NULL;
int start;
fz_cookie cookie = { 0 };
int needshot = 0;
fz_var(list);
fz_var(dev);
if (showtime)
{
start = gettime();
}
fz_try(ctx)
{
page = fz_load_page(doc, pagenum - 1);
}
fz_catch(ctx)
{
fz_rethrow_message(ctx, "cannot load page %d in file '%s'", pagenum, filename);
}
if (mujstest_file)
{
pdf_document *inter = pdf_specifics(doc);
pdf_widget *widget = NULL;
if (inter)
widget = pdf_first_widget(inter, (pdf_page *)page);
if (widget)
{
fprintf(mujstest_file, "GOTO %d\n", pagenum);
needshot = 1;
}
for (;widget; widget = pdf_next_widget(widget))
{
fz_rect rect;
int w, h, len;
int type = pdf_widget_get_type(widget);
pdf_bound_widget(widget, &rect);
w = (rect.x1 - rect.x0);
h = (rect.y1 - rect.y0);
++mujstest_count;
switch (type)
{
default:
fprintf(mujstest_file, "%% UNKNOWN %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
case PDF_WIDGET_TYPE_PUSHBUTTON:
fprintf(mujstest_file, "%% PUSHBUTTON %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
case PDF_WIDGET_TYPE_CHECKBOX:
fprintf(mujstest_file, "%% CHECKBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
case PDF_WIDGET_TYPE_RADIOBUTTON:
fprintf(mujstest_file, "%% RADIOBUTTON %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
case PDF_WIDGET_TYPE_TEXT:
{
int maxlen = pdf_text_widget_max_len(inter, widget);
int texttype = pdf_text_widget_content_type(inter, widget);
/* If height is low, assume a single row, and base
* the width off that. */
if (h < 10)
{
w = (w+h-1) / (h ? h : 1);
h = 1;
}
/* Otherwise, if width is low, work off height */
else if (w < 10)
{
h = (w+h-1) / (w ? w : 1);
w = 1;
}
else
{
w = (w+9)/10;
h = (h+9)/10;
}
len = w*h;
if (len < 2)
len = 2;
if (len > maxlen)
len = maxlen;
fprintf(mujstest_file, "%% TEXT %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
switch (texttype)
{
default:
case PDF_WIDGET_CONTENT_UNRESTRAINED:
fprintf(mujstest_file, "TEXT %d ", mujstest_count);
escape_string(mujstest_file, len-3, lorem);
fprintf(mujstest_file, "\n");
break;
case PDF_WIDGET_CONTENT_NUMBER:
fprintf(mujstest_file, "TEXT %d\n", mujstest_count);
break;
case PDF_WIDGET_CONTENT_SPECIAL:
#ifdef __MINGW32__
fprintf(mujstest_file, "TEXT %I64d\n", 46702919800LL + mujstest_count);
#else
fprintf(mujstest_file, "TEXT %lld\n", 46702919800LL + mujstest_count);
#endif
break;
case PDF_WIDGET_CONTENT_DATE:
fprintf(mujstest_file, "TEXT Jun %d 1979\n", 1 + ((13 + mujstest_count) % 30));
break;
case PDF_WIDGET_CONTENT_TIME:
++mujstest_count;
fprintf(mujstest_file, "TEXT %02d:%02d\n", ((mujstest_count/60) % 24), mujstest_count % 60);
break;
}
break;
}
case PDF_WIDGET_TYPE_LISTBOX:
fprintf(mujstest_file, "%% LISTBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
case PDF_WIDGET_TYPE_COMBOBOX:
fprintf(mujstest_file, "%% COMBOBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
}
fprintf(mujstest_file, "CLICK %0.2f %0.2f\n", (rect.x0+rect.x1)/2, (rect.y0+rect.y1)/2);
}
}
if (uselist)
{
fz_try(ctx)
{
list = fz_new_display_list(ctx);
dev = fz_new_list_device(ctx, list);
fz_run_page(doc, page, dev, &fz_identity, &cookie);
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
}
fz_catch(ctx)
{
fz_drop_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow_message(ctx, "cannot draw page %d in file '%s'", pagenum, filename);
}
}
if (showxml)
{
fz_try(ctx)
{
dev = fz_new_trace_device(ctx);
if (list)
fz_run_display_list(list, dev, &fz_identity, &fz_infinite_rect, &cookie);
else
fz_run_page(doc, page, dev, &fz_identity, &cookie);
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
}
fz_catch(ctx)
{
fz_drop_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
}
if (showtext)
{
fz_text_page *text = NULL;
fz_var(text);
fz_try(ctx)
{
text = fz_new_text_page(ctx);
dev = fz_new_text_device(ctx, sheet, text);
if (showtext == TEXT_HTML)
fz_disable_device_hints(dev, FZ_IGNORE_IMAGE);
if (list)
fz_run_display_list(list, dev, &fz_identity, &fz_infinite_rect, &cookie);
else
fz_run_page(doc, page, dev, &fz_identity, &cookie);
fz_free_device(dev);
dev = NULL;
if (showtext == TEXT_XML)
{
fz_print_text_page_xml(ctx, out, text);
}
else if (showtext == TEXT_HTML)
{
fz_analyze_text(ctx, sheet, text);
fz_print_text_page_html(ctx, out, text);
}
else if (showtext == TEXT_PLAIN)
{
fz_print_text_page(ctx, out, text);
fz_printf(out, "\f\n");
}
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
fz_free_text_page(ctx, text);
}
fz_catch(ctx)
{
fz_drop_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
}
if (showmd5 || showtime)
printf("page %s %d", filename, pagenum);
if (pdfout)
{
fz_matrix ctm;
fz_rect bounds, tbounds;
pdf_page *newpage;
fz_bound_page(doc, page, &bounds);
fz_rotate(&ctm, rotation);
tbounds = bounds;
fz_transform_rect(&tbounds, &ctm);
newpage = pdf_create_page(pdfout, bounds, 72, 0);
fz_try(ctx)
{
dev = pdf_page_write(pdfout, newpage);
if (list)
fz_run_display_list(list, dev, &ctm, &tbounds, &cookie);
else
fz_run_page(doc, page, dev, &ctm, &cookie);
fz_free_device(dev);
dev = NULL;
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
}
fz_catch(ctx)
{
fz_drop_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
pdf_insert_page(pdfout, newpage, INT_MAX);
pdf_free_page(pdfout, newpage);
}
if (output && output_format == OUT_SVG)
{
float zoom;
fz_matrix ctm;
fz_rect bounds, tbounds;
char buf[512];
FILE *file;
fz_output *out;
if (!strcmp(output, "-"))
file = stdout;
else
{
sprintf(buf, output, pagenum);
file = fopen(buf, "wb");
if (file == NULL)
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot open file '%s': %s", buf, strerror(errno));
}
out = fz_new_output_with_file(ctx, file);
fz_bound_page(doc, page, &bounds);
zoom = resolution / 72;
fz_pre_rotate(fz_scale(&ctm, zoom, zoom), rotation);
tbounds = bounds;
fz_transform_rect(&tbounds, &ctm);
fz_try(ctx)
{
dev = fz_new_svg_device(ctx, out, tbounds.x1-tbounds.x0, tbounds.y1-tbounds.y0);
if (list)
fz_run_display_list(list, dev, &ctm, &tbounds, &cookie);
else
fz_run_page(doc, page, dev, &ctm, &cookie);
fz_free_device(dev);
dev = NULL;
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
fz_close_output(out);
if (file != stdout)
fclose(file);
}
fz_catch(ctx)
{
fz_drop_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
}
static void drawpage(fz_context *ctx, fz_document *doc, int pagenum)
{
fz_page *page;
fz_display_list *list = NULL;
fz_device *dev = NULL;
int start;
fz_cookie cookie = { 0 };
fz_var(list);
fz_var(dev);
if (showtime)
{
start = gettime();
}
fz_try(ctx)
{
page = fz_load_page(doc, pagenum - 1);
}
fz_catch(ctx)
{
fz_rethrow_message(ctx, "cannot load page %d in file '%s'", pagenum, filename);
}
if (uselist)
{
fz_try(ctx)
{
list = fz_new_display_list(ctx);
dev = fz_new_list_device(ctx, list);
fz_run_page(doc, page, dev, &fz_identity, &cookie);
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
}
fz_catch(ctx)
{
fz_drop_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow_message(ctx, "cannot draw page %d in file '%s'", pagenum, filename);
}
}
if (showxml)
{
fz_try(ctx)
{
dev = fz_new_trace_device(ctx);
if (list)
fz_run_display_list(list, dev, &fz_identity, &fz_infinite_rect, &cookie);
else
fz_run_page(doc, page, dev, &fz_identity, &cookie);
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
}
fz_catch(ctx)
{
fz_drop_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
}
if (showtext)
{
fz_text_page *text = NULL;
fz_var(text);
fz_try(ctx)
{
text = fz_new_text_page(ctx);
dev = fz_new_text_device(ctx, sheet, text);
if (showtext == TEXT_HTML)
fz_disable_device_hints(dev, FZ_IGNORE_IMAGE);
if (list)
fz_run_display_list(list, dev, &fz_identity, &fz_infinite_rect, &cookie);
else
fz_run_page(doc, page, dev, &fz_identity, &cookie);
fz_free_device(dev);
dev = NULL;
if (showtext == TEXT_XML)
{
fz_print_text_page_xml(ctx, out, text);
}
else if (showtext == TEXT_HTML)
{
fz_analyze_text(ctx, sheet, text);
fz_print_text_page_html(ctx, out, text);
}
else if (showtext == TEXT_PLAIN)
{
fz_print_text_page(ctx, out, text);
fz_printf(out, "\f\n");
}
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
fz_free_text_page(ctx, text);
}
fz_catch(ctx)
{
fz_drop_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
}
if (showmd5 || showtime || showfeatures)
printf("page %s %d", filename, pagenum);
if (showfeatures)
{
int iscolor;
dev = fz_new_test_device(ctx, &iscolor, 0.02f);
fz_try(ctx)
{
if (list)
fz_run_display_list(list, dev, &fz_identity, &fz_infinite_rect, NULL);
else
fz_run_page(doc, page, dev, &fz_identity, &cookie);
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
}
fz_catch(ctx)
{
fz_rethrow(ctx);
}
printf(" %s", iscolor ? "color" : "grayscale");
}
if (pdfout)
{
fz_matrix ctm;
fz_rect bounds, tbounds;
pdf_page *newpage;
fz_bound_page(doc, page, &bounds);
fz_rotate(&ctm, rotation);
tbounds = bounds;
fz_transform_rect(&tbounds, &ctm);
newpage = pdf_create_page(pdfout, bounds, 72, 0);
fz_try(ctx)
{
dev = pdf_page_write(pdfout, newpage);
if (list)
fz_run_display_list(list, dev, &ctm, &tbounds, &cookie);
else
fz_run_page(doc, page, dev, &ctm, &cookie);
fz_free_device(dev);
dev = NULL;
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
}
fz_catch(ctx)
{
fz_drop_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
pdf_insert_page(pdfout, newpage, INT_MAX);
pdf_free_page(pdfout, newpage);
}
if (output && output_format == OUT_SVG)
{
float zoom;
fz_matrix ctm;
fz_rect bounds, tbounds;
char buf[512];
FILE *file;
fz_output *out;
if (!strcmp(output, "-"))
file = stdout;
else
{
sprintf(buf, output, pagenum);
file = fopen(buf, "wb");
if (file == NULL)
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot open file '%s': %s", buf, strerror(errno));
}
out = fz_new_output_with_file(ctx, file);
fz_bound_page(doc, page, &bounds);
zoom = resolution / 72;
fz_pre_rotate(fz_scale(&ctm, zoom, zoom), rotation);
tbounds = bounds;
fz_transform_rect(&tbounds, &ctm);
fz_try(ctx)
{
dev = fz_new_svg_device(ctx, out, tbounds.x1-tbounds.x0, tbounds.y1-tbounds.y0);
if (list)
fz_run_display_list(list, dev, &ctm, &tbounds, &cookie);
else
fz_run_page(doc, page, dev, &ctm, &cookie);
fz_free_device(dev);
dev = NULL;
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
fz_close_output(out);
if (file != stdout)
fclose(file);
}
fz_catch(ctx)
{
fz_drop_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
}
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;
}
HRESULT MuPDFDoc::DrawPage(unsigned char *bitmap, int x, int y, int width, int height, bool invert)
{
m_cts->abort = 0;
fz_device *dev = nullptr;
fz_pixmap *pixmap = nullptr;
fz_var(dev);
fz_var(pixmap);
PageCache *pageCache = &m_pages[m_currentPage];
fz_try(m_context)
{
fz_interactive *idoc = fz_interact(m_document);
// Call fz_update_page now to ensure future calls yield the
// changes from the current state
if (idoc)
fz_update_page(idoc, pageCache->page);
if (!pageCache->pageList)
{
/* Render to list */
pageCache->pageList = fz_new_display_list(m_context);
dev = fz_new_list_device(m_context, pageCache->pageList);
fz_run_page_contents(m_document, pageCache->page, dev, fz_identity, *&m_cts);
}
if (!pageCache->annotList)
{
if (dev)
{
fz_free_device(dev);
dev = nullptr;
}
pageCache->annotList = fz_new_display_list(m_context);
dev = fz_new_list_device(m_context, pageCache->annotList);
for (fz_annot *annot = fz_first_annot(m_document, pageCache->page); annot; annot = fz_next_annot(m_document, annot))
fz_run_annot(m_document, pageCache->page, annot, dev, fz_identity, *&m_cts);
}
fz_bbox rect;
rect.x0 = x;
rect.y0 = y;
rect.x1 = x + width;
rect.y1 = y + height;
pixmap = fz_new_pixmap_with_bbox_and_data(m_context, fz_device_bgr, rect, bitmap);
if (!pageCache->pageList && !pageCache->annotList)
{
fz_clear_pixmap_with_value(m_context, pixmap, 0xd0);
break;
}
fz_clear_pixmap_with_value(m_context, pixmap, 0xff);
//
fz_matrix ctm = CalcConvertMatrix();
fz_bbox bbox = fz_round_rect(fz_transform_rect(ctm, pageCache->mediaBox));
/* Now, adjust ctm so that it would give the correct page width
* heights. */
float xscale = (float)width/(float)(bbox.x1-bbox.x0);
float yscale = (float)height/(float)(bbox.y1-bbox.y0);
ctm = fz_concat(ctm, fz_scale(xscale, yscale));
bbox = fz_round_rect(fz_transform_rect(ctm, pageCache->mediaBox));
if (dev)
{
fz_free_device(dev);
dev = nullptr;
}
dev = fz_new_draw_device(m_context, pixmap);
if (pageCache->pageList)
fz_run_display_list(pageCache->pageList, dev, ctm, bbox, *&m_cts);
about = m_cts->abort;
if (pageCache->annotList)
fz_run_display_list(pageCache->annotList, dev, ctm, bbox, *&m_cts);
if (invert)
fz_invert_pixmap(m_context, pixmap);
}
fz_always(m_context)
{
if (dev)
{
fz_free_device(dev);
dev = nullptr;
}
if (pixmap)
{
fz_drop_pixmap(m_context, pixmap);
}
}
fz_catch(m_context)
{
return E_FAIL;
}
return S_OK;
}
static void drawpage(xps_context *ctx, int pagenum)
{
xps_page *page;
fz_display_list *list;
fz_device *dev;
int start;
int code;
if (showtime)
{
start = gettime();
}
code = xps_load_page(&page, ctx, pagenum - 1);
if (code)
die(fz_rethrow(code, "cannot load page %d in file '%s'", pagenum, filename));
list = NULL;
if (uselist)
{
list = fz_new_display_list();
dev = fz_new_list_device(list);
xps_run_page(ctx, page, dev, fz_identity);
fz_free_device(dev);
}
if (showxml)
{
dev = fz_new_trace_device();
printf("<page number=\"%d\">\n", pagenum);
if (list)
fz_execute_display_list(list, dev, fz_identity, fz_infinite_bbox);
else
xps_run_page(ctx, page, dev, fz_identity);
printf("</page>\n");
fz_free_device(dev);
}
if (showtext)
{
fz_text_span *text = fz_new_text_span();
dev = fz_new_text_device(text);
if (list)
fz_execute_display_list(list, dev, fz_identity, fz_infinite_bbox);
else
xps_run_page(ctx, page, dev, fz_identity);
fz_free_device(dev);
printf("[Page %d]\n", pagenum);
if (showtext > 1)
fz_debug_text_span_xml(text);
else
fz_debug_text_span(text);
printf("\n");
fz_free_text_span(text);
}
if (showmd5 || showtime)
printf("page %s %d", filename, pagenum);
if (output || showmd5 || showtime)
{
float zoom;
fz_matrix ctm;
fz_rect rect;
fz_bbox bbox;
fz_pixmap *pix;
rect.x0 = rect.y0 = 0;
rect.x1 = page->width;
rect.y1 = page->height;
zoom = resolution / 96;
ctm = fz_translate(0, -page->height);
ctm = fz_concat(ctm, fz_scale(zoom, zoom));
bbox = fz_round_rect(fz_transform_rect(ctm, rect));
/* TODO: banded rendering and multi-page ppm */
pix = fz_new_pixmap_with_rect(colorspace, bbox);
if (savealpha)
fz_clear_pixmap(pix);
else
fz_clear_pixmap_with_color(pix, 255);
dev = fz_new_draw_device(glyphcache, pix);
if (list)
fz_execute_display_list(list, dev, ctm, bbox);
else
xps_run_page(ctx, page, dev, ctm);
fz_free_device(dev);
if (output)
{
char buf[512];
sprintf(buf, output, pagenum);
if (strstr(output, ".pgm") || strstr(output, ".ppm") || strstr(output, ".pnm"))
fz_write_pnm(pix, buf);
else if (strstr(output, ".pam"))
fz_write_pam(pix, buf, savealpha);
else if (strstr(output, ".png"))
fz_write_png(pix, buf, savealpha);
}
if (showmd5)
{
fz_md5 md5;
unsigned char digest[16];
int i;
fz_md5_init(&md5);
fz_md5_update(&md5, pix->samples, pix->w * pix->h * pix->n);
fz_md5_final(&md5, digest);
printf(" ");
for (i = 0; i < 16; i++)
printf("%02x", digest[i]);
}
fz_drop_pixmap(pix);
}
if (list)
fz_free_display_list(list);
if (showtime)
{
int end = gettime();
int diff = end - start;
if (diff < timing.min)
{
timing.min = diff;
timing.minpage = pagenum;
}
if (diff > timing.max)
{
timing.max = diff;
timing.maxpage = pagenum;
}
timing.total += diff;
timing.count ++;
printf(" %dms", diff);
}
if (showmd5 || showtime)
printf("\n");
}
static void drawpage(fz_context *ctx, fz_document *doc, int pagenum)
{
fz_page *page;
fz_display_list *list = NULL;
fz_device *dev = NULL;
int start;
fz_cookie cookie = { 0 };
int needshot = 0;
fz_var(list);
fz_var(dev);
if (showtime)
{
start = gettime();
}
fz_try(ctx)
{
page = fz_load_page(doc, pagenum - 1);
}
fz_catch(ctx)
{
fz_throw(ctx, "cannot load page %d in file '%s'", pagenum, filename);
}
if (mujstest_file)
{
fz_interactive *inter = fz_interact(doc);
fz_widget *widget = NULL;
if (inter)
widget = fz_first_widget(inter, page);
if (widget)
{
fprintf(mujstest_file, "GOTO %d\n", pagenum);
needshot = 1;
}
for (;widget; widget = fz_next_widget(inter, widget))
{
fz_rect rect = fz_widget_bbox(widget);
int w = (rect.x1-rect.x0);
int h = (rect.y1-rect.y0);
int len;
int type = fz_widget_get_type(widget);
++mujstest_count;
switch (type)
{
default:
fprintf(mujstest_file, "%% UNKNOWN %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
case FZ_WIDGET_TYPE_PUSHBUTTON:
fprintf(mujstest_file, "%% PUSHBUTTON %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
case FZ_WIDGET_TYPE_CHECKBOX:
fprintf(mujstest_file, "%% CHECKBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
case FZ_WIDGET_TYPE_RADIOBUTTON:
fprintf(mujstest_file, "%% RADIOBUTTON %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
case FZ_WIDGET_TYPE_TEXT:
{
int maxlen = fz_text_widget_max_len(inter, widget);
int texttype = fz_text_widget_content_type(inter, widget);
/* If height is low, assume a single row, and base
* the width off that. */
if (h < 10)
{
w = (w+h-1) / (h ? h : 1);
h = 1;
}
/* Otherwise, if width is low, work off height */
else if (w < 10)
{
h = (w+h-1) / (w ? w : 1);
w = 1;
}
else
{
w = (w+9)/10;
h = (h+9)/10;
}
len = w*h;
if (len < 2)
len = 2;
if (len > maxlen)
len = maxlen;
fprintf(mujstest_file, "%% TEXT %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
switch (texttype)
{
default:
case FZ_WIDGET_CONTENT_UNRESTRAINED:
fprintf(mujstest_file, "TEXT %d ", mujstest_count);
escape_string(mujstest_file, len-3, lorem);
fprintf(mujstest_file, "\n");
break;
case FZ_WIDGET_CONTENT_NUMBER:
fprintf(mujstest_file, "TEXT %d\n", mujstest_count);
break;
case FZ_WIDGET_CONTENT_SPECIAL:
fprintf(mujstest_file, "TEXT %lld\n", 46702919800LL + mujstest_count);
break;
case FZ_WIDGET_CONTENT_DATE:
fprintf(mujstest_file, "TEXT Jun %d 1979\n", 1 + ((13 + mujstest_count) % 30));
break;
case FZ_WIDGET_CONTENT_TIME:
++mujstest_count;
fprintf(mujstest_file, "TEXT %02d:%02d\n", ((mujstest_count/60) % 24), mujstest_count % 60);
break;
}
break;
}
case FZ_WIDGET_TYPE_LISTBOX:
fprintf(mujstest_file, "%% LISTBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
case FZ_WIDGET_TYPE_COMBOBOX:
fprintf(mujstest_file, "%% COMBOBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
}
fprintf(mujstest_file, "CLICK %0.2f %0.2f\n", (rect.x0+rect.x1)/2, (rect.y0+rect.y1)/2);
}
}
if (uselist)
{
fz_try(ctx)
{
list = fz_new_display_list(ctx);
dev = fz_new_list_device(ctx, list);
fz_run_page(doc, page, dev, fz_identity, &cookie);
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
}
fz_catch(ctx)
{
fz_free_display_list(ctx, list);
fz_free_page(doc, page);
fz_throw(ctx, "cannot draw page %d in file '%s'", pagenum, filename);
}
}
if (showxml)
{
fz_try(ctx)
{
dev = fz_new_trace_device(ctx);
fz_printf(out, "<page number=\"%d\">\n", pagenum);
if (list)
fz_run_display_list(list, dev, fz_identity, fz_infinite_rect, &cookie);
else
fz_run_page(doc, page, dev, fz_identity, &cookie);
fz_printf(out, "</page>\n");
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
}
fz_catch(ctx)
{
fz_free_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
}
if (showtext)
{
fz_text_page *text = NULL;
fz_var(text);
fz_try(ctx)
{
text = fz_new_text_page(ctx, fz_bound_page(doc, page));
dev = fz_new_text_device(ctx, sheet, text);
if (list)
fz_run_display_list(list, dev, fz_identity, fz_infinite_rect, &cookie);
else
fz_run_page(doc, page, dev, fz_identity, &cookie);
fz_free_device(dev);
dev = NULL;
if (showtext == TEXT_XML)
{
fz_print_text_page_xml(ctx, out, text);
}
else if (showtext == TEXT_HTML)
{
fz_print_text_page_html(ctx, out, text);
}
else if (showtext == TEXT_PLAIN)
{
fz_print_text_page(ctx, out, text);
fz_printf(out, "\f\n");
}
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
fz_free_text_page(ctx, text);
}
fz_catch(ctx)
{
fz_free_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
}
if (showmd5 || showtime)
printf("page %s %d", filename, pagenum);
#ifdef GDI_PLUS_BMP_RENDERER
// hack: use -G0 to "enable GDI+" when saving as TGA
if (output && (strstr(output, ".bmp") || strstr(output, ".tga") && !gamma_value))
drawbmp(ctx, doc, page, list, pagenum);
else
#endif
if (output || showmd5 || showtime)
{
float zoom;
fz_matrix ctm;
fz_rect bounds, tbounds;
fz_bbox ibounds;
fz_pixmap *pix = NULL;
int w, h;
fz_var(pix);
bounds = fz_bound_page(doc, page);
zoom = resolution / 72;
ctm = fz_scale(zoom, zoom);
ctm = fz_concat(ctm, fz_rotate(rotation));
tbounds = fz_transform_rect(ctm, bounds);
ibounds = fz_round_rect(tbounds); /* convert to integers */
/* Make local copies of our width/height */
w = width;
h = height;
/* If a resolution is specified, check to see whether w/h are
* exceeded; if not, unset them. */
if (res_specified)
{
int t;
t = ibounds.x1 - ibounds.x0;
if (w && t <= w)
w = 0;
t = ibounds.y1 - ibounds.y0;
if (h && t <= h)
h = 0;
}
/* Now w or h will be 0 unless they need to be enforced. */
if (w || h)
{
float scalex = w / (tbounds.x1 - tbounds.x0);
float scaley = h / (tbounds.y1 - tbounds.y0);
if (fit)
{
if (w == 0)
scalex = 1.0f;
if (h == 0)
scaley = 1.0f;
}
else
{
if (w == 0)
scalex = scaley;
if (h == 0)
scaley = scalex;
}
if (!fit)
{
if (scalex > scaley)
scalex = scaley;
else
scaley = scalex;
}
ctm = fz_concat(ctm, fz_scale(scalex, scaley));
tbounds = fz_transform_rect(ctm, bounds);
}
ibounds = fz_round_rect(tbounds);
/* TODO: banded rendering and multi-page ppm */
fz_try(ctx)
{
pix = fz_new_pixmap_with_bbox(ctx, colorspace, ibounds);
if (savealpha)
fz_clear_pixmap(ctx, pix);
else
fz_clear_pixmap_with_value(ctx, pix, 255);
dev = fz_new_draw_device(ctx, pix);
if (list)
fz_run_display_list(list, dev, ctm, tbounds, &cookie);
else
fz_run_page(doc, page, dev, ctm, &cookie);
fz_free_device(dev);
dev = NULL;
if (invert)
fz_invert_pixmap(ctx, pix);
if (gamma_value != 1)
fz_gamma_pixmap(ctx, pix, gamma_value);
if (savealpha)
fz_unmultiply_pixmap(ctx, pix);
if (output)
{
char buf[512];
sprintf(buf, output, pagenum);
if (strstr(output, ".pgm") || strstr(output, ".ppm") || strstr(output, ".pnm"))
fz_write_pnm(ctx, pix, buf);
else if (strstr(output, ".pam"))
fz_write_pam(ctx, pix, buf, savealpha);
else if (strstr(output, ".png"))
fz_write_png(ctx, pix, buf, savealpha);
else if (strstr(output, ".pbm")) {
fz_bitmap *bit = fz_halftone_pixmap(ctx, pix, NULL);
fz_write_pbm(ctx, bit, buf);
fz_drop_bitmap(ctx, bit);
}
/* SumatraPDF: support TGA as output format */
else if (strstr(output, ".tga"))
fz_write_tga(ctx, pix, buf, savealpha);
}
if (showmd5)
{
unsigned char digest[16];
int i;
fz_md5_pixmap(pix, digest);
printf(" ");
for (i = 0; i < 16; i++)
printf("%02x", digest[i]);
}
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
fz_drop_pixmap(ctx, pix);
}
fz_catch(ctx)
{
fz_free_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
}
JNIEXPORT jboolean JNICALL
Java_com_artifex_mupdf_MuPDFCore_updatePageInternal(JNIEnv *env, jobject thiz, jobject bitmap, int page,
int pageW, int pageH, int patchX, int patchY, int patchW, int patchH)
{
AndroidBitmapInfo info;
void *pixels;
int ret;
fz_device *dev = NULL;
float zoom;
fz_matrix ctm;
fz_bbox bbox;
fz_pixmap *pix = NULL;
float xscale, yscale;
fz_bbox rect;
fz_interactive *idoc;
page_cache *pc = NULL;
int hq = (patchW < pageW || patchH < pageH);
int i;
for (i = 0; i < NUM_CACHE; i++)
{
if (pages[i].page != NULL && pages[i].number == page)
{
pc = &pages[i];
break;
}
}
if (pc == NULL || (hq && pc->hq_page == NULL))
{
Java_com_artifex_mupdf_MuPDFCore_gotoPageInternal(env, thiz, page);
return Java_com_artifex_mupdf_MuPDFCore_drawPage(env, thiz, bitmap, pageW, pageH, patchX, patchY, patchW, patchH);
}
idoc = fz_interact(doc);
fz_var(pix);
fz_var(dev);
LOGI("In native method\n");
if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) {
LOGE("AndroidBitmap_getInfo() failed ! error=%d", ret);
return 0;
}
LOGI("Checking format\n");
if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) {
LOGE("Bitmap format is not RGBA_8888 !");
return 0;
}
LOGI("locking pixels\n");
if ((ret = AndroidBitmap_lockPixels(env, bitmap, &pixels)) < 0) {
LOGE("AndroidBitmap_lockPixels() failed ! error=%d", ret);
return 0;
}
/* Call mupdf to render display list to screen */
LOGE("Rendering page(%d)=%dx%d patch=[%d,%d,%d,%d]",
pc->number, pageW, pageH, patchX, patchY, patchW, patchH);
fz_try(ctx)
{
fz_annot *annot;
// Unimportant which page object we use for rendering but we
// must use the correct one for calculating updates
fz_page *page = hq ? pc->hq_page : pc->page;
fz_update_page(idoc, page);
if (pc->page_list == NULL)
{
/* Render to list */
pc->page_list = fz_new_display_list(ctx);
dev = fz_new_list_device(ctx, pc->page_list);
fz_run_page_contents(doc, page, dev, fz_identity, NULL);
}
if (pc->annot_list == NULL) {
if (dev) {
fz_free_device(dev);
dev = NULL;
}
pc->annot_list = fz_new_display_list(ctx);
dev = fz_new_list_device(ctx, pc->annot_list);
for (annot = fz_first_annot(doc, page); annot; annot = fz_next_annot(doc, annot))
fz_run_annot(doc, page, annot, dev, fz_identity, NULL);
}
rect.x0 = patchX;
rect.y0 = patchY;
rect.x1 = patchX + patchW;
rect.y1 = patchY + patchH;
pix = fz_new_pixmap_with_bbox_and_data(ctx, colorspace, rect, pixels);
zoom = resolution / 72;
ctm = fz_scale(zoom, zoom);
bbox = fz_round_rect(fz_transform_rect(ctm, pc->media_box));
/* Now, adjust ctm so that it would give the correct page width
* heights. */
xscale = (float)pageW/(float)(bbox.x1-bbox.x0);
yscale = (float)pageH/(float)(bbox.y1-bbox.y0);
ctm = fz_concat(ctm, fz_scale(xscale, yscale));
bbox = fz_round_rect(fz_transform_rect(ctm, pc->media_box));
LOGI("Start polling for updates");
while ((annot = fz_poll_changed_annot(idoc, page)) != NULL)
{
fz_bbox abox = fz_round_rect(fz_transform_rect(ctm, fz_bound_annot(doc, annot)));
abox = fz_intersect_bbox(abox, rect);
LOGI("Update rectanglefor %s - (%d, %d, %d, %d)", widget_type_string(fz_widget_get_type((fz_widget*)annot)),
abox.x0, abox.y0, abox.x1, abox.y1);
if (!fz_is_empty_bbox(abox))
{
LOGI("And it isn't empty");
fz_clear_pixmap_rect_with_value(ctx, pix, 0xff, abox);
dev = fz_new_draw_device_with_bbox(ctx, pix, abox);
if (pc->page_list)
fz_run_display_list(pc->page_list, dev, ctm, abox, NULL);
if (pc->annot_list)
fz_run_display_list(pc->annot_list, dev, ctm, abox, NULL);
fz_free_device(dev);
dev = NULL;
}
}
LOGI("Done polling for updates");
LOGE("Rendered");
}
fz_catch(ctx)
{
fz_free_device(dev);
LOGE("Render failed");
}
fz_drop_pixmap(ctx, pix);
AndroidBitmap_unlockPixels(env, bitmap);
return 1;
}
JNIEXPORT jboolean JNICALL
Java_com_artifex_mupdf_MuPDFCore_drawPage(JNIEnv *env, jobject thiz, jobject bitmap,
int pageW, int pageH, int patchX, int patchY, int patchW, int patchH)
{
AndroidBitmapInfo info;
void *pixels;
int ret;
fz_device *dev = NULL;
float zoom;
fz_matrix ctm;
fz_bbox bbox;
fz_pixmap *pix = NULL;
float xscale, yscale;
fz_bbox rect;
page_cache *pc = &pages[current];
int hq = (patchW < pageW || patchH < pageH);
if (pc->page == NULL)
return 0;
fz_var(pix);
fz_var(dev);
LOGI("In native method\n");
if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) {
LOGE("AndroidBitmap_getInfo() failed ! error=%d", ret);
return 0;
}
LOGI("Checking format\n");
if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) {
LOGE("Bitmap format is not RGBA_8888 !");
return 0;
}
LOGI("locking pixels\n");
if ((ret = AndroidBitmap_lockPixels(env, bitmap, &pixels)) < 0) {
LOGE("AndroidBitmap_lockPixels() failed ! error=%d", ret);
return 0;
}
/* Call mupdf to render display list to screen */
LOGE("Rendering page(%d)=%dx%d patch=[%d,%d,%d,%d]",
pc->number, pageW, pageH, patchX, patchY, patchW, patchH);
fz_try(ctx)
{
fz_interactive *idoc = fz_interact(doc);
// Call fz_update_page now to ensure future calls yield the
// changes from the current state
fz_update_page(idoc, pc->page);
if (hq) {
// This is a rendering of the hq patch. Ensure there's a second copy of the
// page for use when updating this patch
if (pc->hq_page) {
if (idoc)
fz_update_page(idoc, pc->hq_page);
} else {
// There is only ever one hq patch, so we need
// cache only one page object for the sake of hq
clear_hq_pages();
pc->hq_page = fz_load_page(doc, pc->number);
}
}
if (pc->page_list == NULL)
{
/* Render to list */
pc->page_list = fz_new_display_list(ctx);
dev = fz_new_list_device(ctx, pc->page_list);
fz_run_page_contents(doc, pc->page, dev, fz_identity, NULL);
}
if (pc->annot_list == NULL)
{
fz_annot *annot;
if (dev)
{
fz_free_device(dev);
dev = NULL;
}
pc->annot_list = fz_new_display_list(ctx);
dev = fz_new_list_device(ctx, pc->annot_list);
for (annot = fz_first_annot(doc, pc->page); annot; annot = fz_next_annot(doc, annot))
fz_run_annot(doc, pc->page, annot, dev, fz_identity, NULL);
}
rect.x0 = patchX;
rect.y0 = patchY;
rect.x1 = patchX + patchW;
rect.y1 = patchY + patchH;
pix = fz_new_pixmap_with_bbox_and_data(ctx, colorspace, rect, pixels);
if (pc->page_list == NULL && pc->annot_list == NULL)
{
fz_clear_pixmap_with_value(ctx, pix, 0xd0);
break;
}
fz_clear_pixmap_with_value(ctx, pix, 0xff);
zoom = resolution / 72;
ctm = fz_scale(zoom, zoom);
bbox = fz_round_rect(fz_transform_rect(ctm, pc->media_box));
/* Now, adjust ctm so that it would give the correct page width
* heights. */
xscale = (float)pageW/(float)(bbox.x1-bbox.x0);
yscale = (float)pageH/(float)(bbox.y1-bbox.y0);
ctm = fz_concat(ctm, fz_scale(xscale, yscale));
bbox = fz_round_rect(fz_transform_rect(ctm, pc->media_box));
dev = fz_new_draw_device(ctx, pix);
#ifdef TIME_DISPLAY_LIST
{
clock_t time;
int i;
LOGE("Executing display list");
time = clock();
for (i=0; i<100;i++) {
#endif
if (pc->page_list)
fz_run_display_list(pc->page_list, dev, ctm, bbox, NULL);
if (pc->annot_list)
fz_run_display_list(pc->annot_list, dev, ctm, bbox, NULL);
#ifdef TIME_DISPLAY_LIST
}
time = clock() - time;
LOGE("100 renders in %d (%d per sec)", time, CLOCKS_PER_SEC);
}
#endif
fz_free_device(dev);
dev = NULL;
fz_drop_pixmap(ctx, pix);
LOGE("Rendered");
}
fz_catch(ctx)
{
fz_free_device(dev);
LOGE("Render failed");
}
AndroidBitmap_unlockPixels(env, bitmap);
return 1;
}
HRESULT MuPDFDoc::UpdatePage(int pageNumber, unsigned char *bitmap, int x, int y, int width, int height, bool invert)
{
int index = FindPageInCache(pageNumber);
if (index < 0)
{
//TODO: get rid of this side effect!!!
HRESULT result = GotoPage(pageNumber);
if (FAILED(result))
{
return result;
}
return DrawPage(bitmap, x, y, width, height, invert);
}
fz_device *dev = nullptr;
fz_pixmap *pixmap = nullptr;
fz_var(dev);
fz_var(pixmap);
PageCache *pageCache = &m_pages[m_currentPage];
fz_try(m_context)
{
fz_interactive *idoc = fz_interact(m_document);
// Call fz_update_page now to ensure future calls yield the
// changes from the current state
if (idoc)
fz_update_page(idoc, pageCache->page);
if (!pageCache->pageList)
{
/* Render to list */
pageCache->pageList = fz_new_display_list(m_context);
dev = fz_new_list_device(m_context, pageCache->pageList);
fz_run_page_contents(m_document, pageCache->page, dev, fz_identity, nullptr);
}
if (!pageCache->annotList)
{
if (dev)
{
fz_free_device(dev);
dev = nullptr;
}
pageCache->annotList = fz_new_display_list(m_context);
dev = fz_new_list_device(m_context, pageCache->annotList);
for (fz_annot *annot = fz_first_annot(m_document, pageCache->page); annot; annot = fz_next_annot(m_document, annot))
fz_run_annot(m_document, pageCache->page, annot, dev, fz_identity, nullptr);
}
fz_bbox rect;
rect.x0 = x;
rect.y0 = y;
rect.x1 = x + width;
rect.y1 = y + height;
pixmap = fz_new_pixmap_with_bbox_and_data(m_context, fz_device_bgr, rect, bitmap);
//
fz_matrix ctm = CalcConvertMatrix();
fz_bbox bbox = fz_round_rect(fz_transform_rect(ctm, pageCache->mediaBox));
/* Now, adjust ctm so that it would give the correct page width
* heights. */
float xscale = (float)width/(float)(bbox.x1-bbox.x0);
float yscale = (float)height/(float)(bbox.y1-bbox.y0);
ctm = fz_concat(ctm, fz_scale(xscale, yscale));
bbox = fz_round_rect(fz_transform_rect(ctm, pageCache->mediaBox));
if (dev)
{
fz_free_device(dev);
dev = nullptr;
}
fz_annot *annot;
while (idoc && (annot = fz_poll_changed_annot(idoc, pageCache->page)))
{
fz_bbox abox = fz_round_rect(fz_transform_rect(ctm, fz_bound_annot(m_document, annot)));
abox = fz_intersect_bbox(abox, rect);
if (!fz_is_empty_bbox(abox))
{
fz_clear_pixmap_rect_with_value(m_context, pixmap, 0xff, abox);
dev = fz_new_draw_device_with_bbox(m_context, pixmap, abox);
if (pageCache->pageList)
fz_run_display_list(pageCache->pageList, dev, ctm, abox, nullptr);
if (pageCache->annotList)
fz_run_display_list(pageCache->annotList, dev, ctm, abox, nullptr);
fz_free_device(dev);
dev = nullptr;
if (invert)
fz_invert_pixmap_rect(pixmap, abox);
}
}
}
fz_always(m_context)
{
if (dev)
{
fz_free_device(dev);
dev = nullptr;
}
if (pixmap)
{
fz_drop_pixmap(m_context, pixmap);
}
}
fz_catch(m_context)
{
return E_FAIL;
}
return S_OK;
}
static void drawpage(fz_context *ctx, fz_document *doc, int pagenum)
{
fz_page *page;
fz_link *links;
fz_display_list *list = NULL;
fz_device *dev = NULL;
int start;
fz_var(list);
fz_var(dev);
if (showtime)
{
start = gettime();
}
fz_try(ctx)
{
page = fz_load_page(doc, pagenum - 1);
}
fz_catch(ctx)
{
fz_throw(ctx, "cannot load page %d in file '%s'", pagenum, filename);
}
fz_try(ctx)
{
links = fz_load_links(doc, page);
}
fz_catch(ctx)
{
fz_throw(ctx, "cannot load links for page %d in file '%s'", pagenum, filename);
}
if (uselist)
{
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_free_display_list(ctx, list);
fz_free_page(doc, page);
fz_throw(ctx, "cannot draw page %d in file '%s'", pagenum, filename);
}
fz_free_device(dev);
dev = NULL;
}
if (showjson)
{
fz_text_page *text = NULL;
fz_var(text);
fz_try(ctx)
{
text = fz_new_text_page(ctx, fz_bound_page(doc, page));
dev = fz_new_text_device(ctx, sheet, text);
if (list)
fz_run_display_list(list, dev, fz_identity, fz_infinite_bbox, NULL);
else
fz_run_page(doc, page, dev, fz_identity, NULL);
fz_free_device(dev);
dev = NULL;
fz_print_text_page_json(ctx, stdout, text, links);
printf("\f\n");
}
fz_catch(ctx)
{
fz_free_device(dev);
fz_free_text_page(ctx, text);
fz_free_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
fz_free_text_page(ctx, text);
}
if (showmd5 || showtime)
printf("page %s %d", filename, pagenum);
if (output || showmd5 || showtime)
{
float zoom;
fz_matrix ctm;
fz_rect bounds, bounds2;
fz_bbox bbox;
fz_pixmap *pix = NULL;
int w, h;
fz_var(pix);
bounds = fz_bound_page(doc, page);
zoom = resolution / 72;
ctm = fz_scale(zoom, zoom);
ctm = fz_concat(ctm, fz_rotate(rotation));
bounds2 = fz_transform_rect(ctm, bounds);
bbox = fz_round_rect(bounds2);
/* Make local copies of our width/height */
w = width;
h = height;
/* If a resolution is specified, check to see whether w/h are
* exceeded; if not, unset them. */
if (res_specified)
{
int t;
t = bbox.x1 - bbox.x0;
if (w && t <= w)
w = 0;
t = bbox.y1 - bbox.y0;
if (h && t <= h)
h = 0;
}
/* Now w or h will be 0 unless then need to be enforced. */
if (w || h)
{
float scalex = w/(bounds2.x1-bounds2.x0);
float scaley = h/(bounds2.y1-bounds2.y0);
if (fit)
{
if (w == 0)
scalex = 1.0f;
if (h == 0)
scaley = 1.0f;
}
else
{
if (w == 0)
scalex = scaley;
if (h == 0)
scaley = scalex;
}
if (!fit)
{
if (scalex > scaley)
scalex = scaley;
else
scaley = scalex;
}
ctm = fz_concat(ctm, fz_scale(scalex, scaley));
bounds2 = fz_transform_rect(ctm, bounds);
}
bbox = fz_round_rect(bounds2);
/* TODO: banded rendering and multi-page ppm */
fz_try(ctx)
{
pix = fz_new_pixmap_with_bbox(ctx, colorspace, bbox);
if (savealpha)
fz_clear_pixmap(ctx, pix);
else
fz_clear_pixmap_with_value(ctx, pix, 255);
dev = fz_new_draw_device(ctx, pix);
if (list)
fz_run_display_list(list, dev, ctm, bbox, NULL);
else
fz_run_page(doc, page, dev, ctm, NULL);
fz_free_device(dev);
dev = NULL;
if (invert)
fz_invert_pixmap(ctx, pix);
if (gamma_value != 1)
fz_gamma_pixmap(ctx, pix, gamma_value);
if (savealpha)
fz_unmultiply_pixmap(ctx, pix);
if (output)
{
char buf[512];
sprintf(buf, output, pagenum);
if (strstr(output, ".pgm") || strstr(output, ".ppm") || strstr(output, ".pnm"))
fz_write_pnm(ctx, pix, buf);
else if (strstr(output, ".pam"))
fz_write_pam(ctx, pix, buf, savealpha);
else if (strstr(output, ".png"))
fz_write_png(ctx, pix, buf, savealpha);
else if (strstr(output, ".pbm")) {
fz_bitmap *bit = fz_halftone_pixmap(ctx, pix, NULL);
fz_write_pbm(ctx, bit, buf);
fz_drop_bitmap(ctx, bit);
}
}
if (showmd5)
{
unsigned char digest[16];
int i;
fz_md5_pixmap(pix, digest);
printf(" ");
for (i = 0; i < 16; i++)
printf("%02x", digest[i]);
}
fz_drop_pixmap(ctx, pix);
}
fz_catch(ctx)
{
fz_free_device(dev);
fz_drop_pixmap(ctx, pix);
fz_free_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
}
JNIEXPORT jboolean JNICALL
JNI_FN(MuPDF_drawPage)(JNIEnv *env, jobject thiz, jobject bitmap,
int pageW, int pageH, int patchX, int patchY, int patchW, int patchH)
{
AndroidBitmapInfo info;
void *pixels;
int ret;
fz_device *dev = NULL;
float zoom;
fz_matrix ctm;
fz_irect bbox;
fz_rect rect;
fz_pixmap *pix = NULL;
float xscale, yscale;
globals *glo = get_globals(env, thiz);
fz_context *ctx = glo->ctx;
fz_document *doc = glo->doc;
page_cache *pc = &glo->pages[glo->current];
int hq = (patchW < pageW || patchH < pageH);
fz_matrix scale;
if (pc->page == NULL)
return 0;
fz_var(pix);
fz_var(dev);
LOGI("In native method\n");
if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) {
LOGE("AndroidBitmap_getInfo() failed ! error=%d", ret);
return 0;
}
LOGI("Checking format\n");
if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) {
LOGE("Bitmap format is not RGBA_8888 !");
return 0;
}
LOGI("locking pixels\n");
if ((ret = AndroidBitmap_lockPixels(env, bitmap, &pixels)) < 0) {
LOGE("AndroidBitmap_lockPixels() failed ! error=%d", ret);
return 0;
}
/* Call mupdf to render display list to screen */
LOGE("Rendering page(%d)=%dx%d patch=[%d,%d,%d,%d]",
pc->number, pageW, pageH, patchX, patchY, patchW, patchH);
fz_try(ctx)
{
if (pc->page_list == NULL)
{
/* Render to list */
pc->page_list = fz_new_display_list(ctx);
dev = fz_new_list_device(ctx, pc->page_list);
fz_run_page_contents(doc, pc->page, dev, &fz_identity, NULL);
}
if (pc->annot_list == NULL)
{
fz_annot *annot;
if (dev)
{
fz_free_device(dev);
dev = NULL;
}
pc->annot_list = fz_new_display_list(ctx);
dev = fz_new_list_device(ctx, pc->annot_list);
for (annot = fz_first_annot(doc, pc->page); annot; annot = fz_next_annot(doc, annot))
fz_run_annot(doc, pc->page, annot, dev, &fz_identity, NULL);
}
bbox.x0 = patchX;
bbox.y0 = patchY;
bbox.x1 = patchX + patchW;
bbox.y1 = patchY + patchH;
pix = fz_new_pixmap_with_bbox_and_data(ctx, glo->colorspace, &bbox, pixels);
if (pc->page_list == NULL && pc->annot_list == NULL)
{
fz_clear_pixmap_with_value(ctx, pix, 0xd0);
break;
}
fz_clear_pixmap_with_value(ctx, pix, 0xff);
zoom = glo->resolution / 72;
fz_scale(&ctm, zoom, zoom);
rect = pc->media_box;
fz_round_rect(&bbox, fz_transform_rect(&rect, &ctm));
/* Now, adjust ctm so that it would give the correct page width
* heights. */
xscale = (float)pageW/(float)(bbox.x1-bbox.x0);
yscale = (float)pageH/(float)(bbox.y1-bbox.y0);
fz_concat(&ctm, &ctm, fz_scale(&scale, xscale, yscale));
rect = pc->media_box;
fz_transform_rect(&rect, &ctm);
dev = fz_new_draw_device(ctx, pix);
#ifdef TIME_DISPLAY_LIST
{
clock_t time;
int i;
LOGE("Executing display list");
time = clock();
for (i=0; i<100;i++) {
#endif
if (pc->page_list)
fz_run_display_list(pc->page_list, dev, &ctm, &rect, NULL);
if (pc->annot_list)
fz_run_display_list(pc->annot_list, dev, &ctm, &rect, NULL);
#ifdef TIME_DISPLAY_LIST
}
time = clock() - time;
LOGE("100 renders in %d (%d per sec)", time, CLOCKS_PER_SEC);
}
#endif
fz_free_device(dev);
dev = NULL;
fz_drop_pixmap(ctx, pix);
LOGE("Rendered");
}
fz_catch(ctx)
{
fz_free_device(dev);
LOGE("Render failed");
}
AndroidBitmap_unlockPixels(env, bitmap);
return 1;
}
/*
** 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);
}
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);
}
