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Speed up djvu

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This commit is contained in:
Moritz Lipp 2011-01-05 23:37:47 +01:00
parent 88fd3e555a
commit ce09e56e2a
1 changed files with 24 additions and 13 deletions
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37
ft/djvu/djvu.c
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@ -160,17 +160,20 @@ djvu_page_get(zathura_document_t* document, unsigned int page)
}
document_page->document = document;
document_page->data = ddjvu_page_create_by_pageno(djvu_document->document, page);;
document_page->data = NULL;
if(!document_page->data) {
ddjvu_status_t status;
ddjvu_pageinfo_t page_info;
while((status = ddjvu_document_get_pageinfo(djvu_document->document, page, &page_info)) < DDJVU_JOB_OK);
if(status >= DDJVU_JOB_FAILED) {
free(document_page);
return NULL;
}
while(!ddjvu_page_decoding_done(document_page->data));
document_page->width = ddjvu_page_get_width(document_page->data);
document_page->height = ddjvu_page_get_height(document_page->data);
document_page->width = 0.2 * page_info.width;
document_page->height = 0.2 * page_info.height;
return document_page;
}
@ -182,7 +185,6 @@ djvu_page_free(zathura_page_t* page)
return false;
}
ddjvu_page_release(page->data);
free(page);
return true;
@ -209,7 +211,7 @@ djvu_page_form_fields_get(zathura_page_t* page)
GtkWidget*
djvu_page_render(zathura_page_t* page)
{
if(!Zathura.document || !page || !page->data || !page->document) {
if(!Zathura.document || !page || !page->document) {
return NULL;
}
@ -218,18 +220,25 @@ djvu_page_render(zathura_page_t* page)
unsigned int page_height = Zathura.document->scale * page->height;
if(!page_width || !page_height) {
return NULL;
goto error_out;
}
/* init ddjvu render data */
djvu_document_t* djvu_document = (djvu_document_t*) page->document->data;
ddjvu_page_t* djvu_page = ddjvu_page_create_by_pageno(djvu_document->document, page->number);
if(!djvu_page) {
goto error_out;
}
while(!ddjvu_page_decoding_done(djvu_page));
ddjvu_rect_t rrect = { 0, 0, page_width, page_height };
ddjvu_rect_t prect = { 0, 0, page_width, page_height };
guchar* buffer = malloc(sizeof(char) * (page_width * page_height * 3));
if(!buffer) {
goto error_out;
goto error_free;
}
/* set rotation */
@ -255,11 +264,10 @@ djvu_page_render(zathura_page_t* page)
break;
}
ddjvu_page_set_rotation(page->data, ddjvu_angle);
ddjvu_page_set_rotation(djvu_page, ddjvu_angle);
/* render page */
ddjvu_page_render(page->data, DDJVU_RENDER_COLOR, &prect, &rrect, djvu_document->format,
ddjvu_page_render(djvu_page, DDJVU_RENDER_COLOR, &prect, &rrect, djvu_document->format,
3 * page_width, (char*) buffer);
/* create pixbuf */
@ -289,10 +297,13 @@ djvu_page_render(zathura_page_t* page)
gtk_image_set_from_pixbuf(GTK_IMAGE(image), pixbuf);
gtk_widget_show(image);
ddjvu_page_release(djvu_page);
return image;
error_free:
ddjvu_page_release(djvu_page);
free(buffer);
g_object_unref(pixbuf);