+++ /dev/null
-#include <stdio.h>
-#include <stdlib.h>
-#include <poppler.h>
-#include <cairo.h>
-
-#define IMAGE_DPI 150
-
-int main(int argc, char *argv[])
-{
- PopplerDocument *document;
- PopplerPage *page;
- double width, height;
- GError *error;
- const char *pdf_file;
- const char *png_file;
- gchar *absolute, *uri;
- int page_num, num_pages;
- cairo_surface_t *surface;
- cairo_t *cr;
- cairo_status_t status;
-
- if (argc != 4) {
- printf ("Usage: pdftoimage input_file.pdf output_file.png page\n");
- return 0;
- }
-
- pdf_file = argv[1];
- png_file = argv[2];
- page_num = atoi(argv[3]);
- g_type_init ();
- error = NULL;
-
- if (g_path_is_absolute(pdf_file)) {
- absolute = g_strdup (pdf_file);
- } else {
- gchar *dir = g_get_current_dir ();
- absolute = g_build_filename (dir, pdf_file, (gchar *) 0);
- free (dir);
- }
-
- uri = g_filename_to_uri (absolute, NULL, &error);
-
- fprintf(stderr, "%s\n%s\n", absolute, uri);
-
- free (absolute);
- if (uri == NULL) {
- printf("%s\n", error->message);
- return 1;
- }
-
- document = poppler_document_new_from_file (uri, NULL, &error);
- if (document == NULL) {
- printf("%s\n", error->message);
- return 1;
- }
-
- num_pages = poppler_document_get_n_pages (document);
- if (page_num < 1 || page_num > num_pages) {
- printf("page must be between 1 and %d\n", num_pages);
- return 1;
- }
-
- page = poppler_document_get_page (document, page_num - 1);
- if (page == NULL) {
- printf("poppler fail: page not found\n");
- return 1;
- }
-
- poppler_page_get_size (page, &width, &height);
-
- /* For correct rendering of PDF, the PDF is first rendered to a
- * * transparent image (all alpha = 0). */
- surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
- IMAGE_DPI*width/72.0,
- IMAGE_DPI*height/72.0);
- cr = cairo_create (surface);
- cairo_scale (cr, IMAGE_DPI/72.0, IMAGE_DPI/72.0);
- cairo_save (cr);
- poppler_page_render (page, cr);
- cairo_restore (cr);
- g_object_unref (page);
-
- /* Then the image is painted on top of a white "page". Instead of
- * * creating a second image, painting it white, then painting the
- * * PDF image over it we can use the CAIRO_OPERATOR_DEST_OVER
- * * operator to achieve the same effect with the one image. */
- cairo_set_operator (cr, CAIRO_OPERATOR_DEST_OVER);
- cairo_set_source_rgb (cr, 1, 1, 1);
- cairo_paint (cr);
-
- status = cairo_status(cr);
- if (status)
- printf("%s\n", cairo_status_to_string (status));
-
- cairo_destroy (cr);
- status = cairo_surface_write_to_png (surface, png_file);
- if (status)
- printf("%s\n", cairo_status_to_string (status));
-
- cairo_surface_destroy (surface);
-
- g_object_unref (document);
-
- return 0;
-}
+++ /dev/null
-#include <stdlib.h>
-#include <poppler.h>
-#include <cairo.h>
-#include <cairo-ps.h>
-
-int main(int argc, char *argv[])
-{
- PopplerDocument *document;
- PopplerPage *page;
- double width, height;
- GError *error;
- const char *filename;
- gchar *absolute, *uri;
- int num_pages, i;
- cairo_surface_t *surface;
- cairo_t *cr;
- cairo_status_t status;
-
- if (argc != 2) {
- printf ("Usage: pdf2cairo input_file.pdf\n");
- return 0;
- }
-
- filename = argv[1];
- g_type_init ();
- error = NULL;
-
- if (g_path_is_absolute(filename)) {
- absolute = g_strdup (filename);
- } else {
- gchar *dir = g_get_current_dir ();
- absolute = g_build_filename (dir, filename, (gchar *) 0);
- free (dir);
- }
-
- uri = g_filename_to_uri (absolute, NULL, &error);
- free (absolute);
- if (uri == NULL) {
- printf("poppler fail: %s\n", error->message);
- return 1;
- }
-
- document = poppler_document_new_from_file (uri, NULL, &error);
- if (document == NULL) {
- printf("poppler fail: %s\n", error->message);
- return 1;
- }
-
- num_pages = poppler_document_get_n_pages (document);
-
- /* Page size does not matter here as the size is changed before
- * * each page */
- surface = cairo_ps_surface_create ("output.ps", 595, 842);
- cr = cairo_create (surface);
- for (i = 0; i < num_pages; i++) {
- page = poppler_document_get_page (document, i);
- if (page == NULL) {
- printf("poppler fail: page not found\n");
- return 1;
- }
- poppler_page_get_size (page, &width, &height);
- cairo_ps_surface_set_size (surface, width, height);
- cairo_save (cr);
- poppler_page_render_for_printing (page, cr);
- cairo_restore (cr);
- cairo_surface_show_page (surface);
- g_object_unref (page);
- }
- status = cairo_status(cr);
- if (status)
- printf("%s\n", cairo_status_to_string (status));
- cairo_destroy (cr);
- cairo_surface_finish (surface);
- status = cairo_surface_status(surface);
- if (status)
- printf("%s\n", cairo_status_to_string (status));
- cairo_surface_destroy (surface);
-
- g_object_unref (document);
-
- return 0;
-}