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#include <stdio.h>
#include <stdlib.h>
#include <cairo.h>
#include <libspectre/spectre.h>
#include "../libspectre/spectre-utils.h"
static const char *
orientation_to_string (SpectreOrientation orientation)
{
switch (orientation) {
case SPECTRE_ORIENTATION_PORTRAIT:
return "Portrait";
case SPECTRE_ORIENTATION_LANDSCAPE:
return "Landscape";
case SPECTRE_ORIENTATION_REVERSE_LANDSCAPE:
return "Reverse Landscape";
case SPECTRE_ORIENTATION_REVERSE_PORTRAIT:
return "Reverse Portrait";
}
return "Unknown Orientation";
}
static void
test_metadata (SpectreDocument *document)
{
const char *format;
format = spectre_document_get_format (document);
printf ("Document format: %s\n",
format ? format : "Unknown");
printf ("Postscript language level: %d\n",
spectre_document_get_language_level (document));
printf ("Encapsulated PostScript: %s\n",
spectre_document_is_eps (document) ? "Yes" : "No");
printf ("Number of pages: %d\n",
spectre_document_get_n_pages (document));
printf ("Title: %s\n",
spectre_document_get_title (document));
printf ("Creator: %s\n",
spectre_document_get_creator (document));
printf ("For: %s\n",
spectre_document_get_for (document));
printf ("Creation date: %s\n",
spectre_document_get_creation_date (document));
printf ("Document Orientation: %s\n",
orientation_to_string (spectre_document_get_orientation (document)));
}
static void
test_rotation (SpectreDocument *document,
const char *output)
{
SpectrePage *page;
SpectreRenderContext *rc;
int i;
int width_points;
int height_points;
page = spectre_document_get_page (document, 0);
spectre_page_get_size (page, &width_points, &height_points);
rc = spectre_render_context_new ();
for (i = 0; i < 4; i++) {
cairo_surface_t *surface;
char *filename;
int rotation;
int width, height;
unsigned char *data = NULL;
int row_length;
rotation = 90 * i;
if (rotation == 90 || rotation == 270) {
width = height_points;
height = width_points;
} else {
width = width_points;
height = height_points;
}
spectre_render_context_set_rotation (rc, rotation);
spectre_page_render (page, rc, &data, &row_length);
if (spectre_page_status (page)) {
printf ("Error rendering page %d at rotation %d: %s\n", i, rotation,
spectre_status_to_string (spectre_page_status (page)));
free (data);
continue;
}
surface = cairo_image_surface_create_for_data (data,
CAIRO_FORMAT_RGB24,
width, height,
row_length);
filename = _spectre_strdup_printf ("%s/page-rotated-%d.png", output, rotation);
cairo_surface_write_to_png (surface, filename);
free (filename);
cairo_surface_destroy (surface);
free (data);
}
spectre_render_context_free (rc);
spectre_page_free (page);
}
static void
test_render_slice (SpectreDocument *document,
const char *output)
{
SpectrePage *page;
SpectreRenderContext *rc;
int x, y;
int width, height;
int width_points;
int height_points;
unsigned char *data = NULL;
int row_length;
page = spectre_document_get_page (document, 0);
spectre_page_get_size (page, &width_points, &height_points);
/* Render the central slice */
width = width_points / 3;
height = height_points / 3;
x = width;
y = height;
printf ("Rendering page 0 slice %d, %d, %d, %d\n",
x, y, width, height);
rc = spectre_render_context_new ();
spectre_page_render_slice (page, rc, x, y, width, height,
&data, &row_length);
if (!spectre_page_status (page)) {
cairo_surface_t *surface;
char *filename;
surface = cairo_image_surface_create_for_data (data,
CAIRO_FORMAT_RGB24,
width, height,
row_length);
filename = _spectre_strdup_printf ("%s/page-slice.png", output);
cairo_surface_write_to_png (surface, filename);
free (filename);
cairo_surface_destroy (surface);
} else {
printf ("Error rendering page slice %d, %d, %d, %d: %s\n",
x, y, width, height,
spectre_status_to_string (spectre_page_status (page)));
}
free (data);
spectre_render_context_free (rc);
spectre_page_free (page);
}
static void
test_page_size (SpectreDocument *document,
const char *output)
{
SpectrePage *page;
SpectreRenderContext *rc;
unsigned char *data = NULL;
int row_length;
page = spectre_document_get_page (document, 0);
printf ("Rendering page 0 in a4 page\n");
rc = spectre_render_context_new ();
spectre_render_context_set_page_size (rc, 595, 842);
spectre_page_render (page, rc, &data, &row_length);
if (!spectre_page_status (page)) {
cairo_surface_t *surface;
char *filename;
surface = cairo_image_surface_create_for_data (data,
CAIRO_FORMAT_RGB24,
595, 842,
row_length);
filename = _spectre_strdup_printf ("%s/page-a4.png", output);
cairo_surface_write_to_png (surface, filename);
free (filename);
cairo_surface_destroy (surface);
} else {
printf ("Error rendering page in a4 page: %s\n",
spectre_status_to_string (spectre_page_status (page)));
}
free (data);
spectre_render_context_free (rc);
spectre_page_free (page);
}
static void
test_document_render (SpectreDocument *document,
const char *output)
{
unsigned char *data = NULL;
int row_length;
printf ("Rendering document\n");
spectre_document_render (document, &data, &row_length);
if (!spectre_document_status (document)) {
cairo_surface_t *surface;
char *filename;
int width, height;
spectre_document_get_page_size (document, &width, &height);
surface = cairo_image_surface_create_for_data (data,
CAIRO_FORMAT_RGB24,
width, height,
row_length);
filename = _spectre_strdup_printf ("%s/document.png", output);
cairo_surface_write_to_png (surface, filename);
free (filename);
cairo_surface_destroy (surface);
} else {
printf ("Error rendering document: %s\n",
spectre_status_to_string (spectre_document_status (document)));
}
free (data);
}
static void
test_document_render_full (SpectreDocument *document,
const char *output)
{
unsigned char *data = NULL;
int row_length;
SpectreRenderContext *rc;
printf ("Rendering document at 2x\n");
rc = spectre_render_context_new ();
spectre_render_context_set_scale (rc, 2.0, 2.0);
spectre_document_render_full (document, rc, &data, &row_length);
if (!spectre_document_status (document)) {
cairo_surface_t *surface;
char *filename;
int width, height;
spectre_document_get_page_size (document, &width, &height);
width = (int) ((width * 2.0) + 0.5);
height = (int) ((height * 2.0) + 0.5);
surface = cairo_image_surface_create_for_data (data,
CAIRO_FORMAT_RGB24,
width, height,
row_length);
filename = _spectre_strdup_printf ("%s/document-2x.png", output);
cairo_surface_write_to_png (surface, filename);
free (filename);
cairo_surface_destroy (surface);
} else {
printf ("Error rendering document at 2x: %s\n",
spectre_status_to_string (spectre_document_status (document)));
}
spectre_render_context_free (rc);
free (data);
}
static void
test_export (SpectreDocument *document,
SpectreExporterFormat format,
const char *output_dir)
{
SpectreExporter *exporter;
SpectreStatus status;
char *filename;
const char *format_str = format == SPECTRE_EXPORTER_FORMAT_PS ? "ps" : "pdf";
int i;
exporter = spectre_exporter_new (document, format);
filename = _spectre_strdup_printf ("%s/output.%s", output_dir, format_str);
status = spectre_exporter_begin (exporter, filename);
free (filename);
if (status) {
printf ("Error exporting document as %s: %s\n", format_str,
spectre_status_to_string (status));
spectre_exporter_free (exporter);
return;
}
/* Export even pages in reverse order */
for (i = spectre_document_get_n_pages (document) - 1; i >= 0; i--) {
if (i % 2 != 0)
continue;
status = spectre_exporter_do_page (exporter, i);
if (status) {
printf ("Error exporting page %d as %s: %s\n", i, format_str,
spectre_status_to_string (status));
break;
}
}
spectre_exporter_end (exporter);
spectre_exporter_free (exporter);
}
static void
test_save (SpectreDocument *document,
const char *output_dir)
{
char *filename;
filename = _spectre_strdup_printf ("%s/document-copy.ps", output_dir);
spectre_document_save (document, filename);
if (spectre_document_status (document)) {
printf ("Error saving document as %s: %s\n", filename,
spectre_status_to_string (spectre_document_status (document)));
}
free (filename);
}
static void
test_save_to_pdf (SpectreDocument *document,
const char *output_dir)
{
char *filename;
filename = _spectre_strdup_printf ("%s/document-copy.pdf", output_dir);
spectre_document_save_to_pdf (document, filename);
if (spectre_document_status (document)) {
printf ("Error saving document as %s: %s\n", filename,
spectre_status_to_string (spectre_document_status (document)));
}
free (filename);
}
int main (int argc, char **argv)
{
SpectreDocument *document;
SpectreRenderContext *rc;
unsigned int i;
/* TODO: check argv */
printf ("Testing libspectre version: %s\n", SPECTRE_VERSION_STRING);
spectre_document_load (NULL, argv[1]);
document = spectre_document_new ();
spectre_document_load (document, argv[1]);
if (spectre_document_status (document)) {
printf ("Error loading document %s: %s\n", argv[1],
spectre_status_to_string (spectre_document_status (document)));
spectre_document_free (document);
return 1;
}
test_document_render (document, argv[2]);
test_document_render_full (document, argv[2]);
test_export (document, SPECTRE_EXPORTER_FORMAT_PDF, argv[2]);
test_export (document, SPECTRE_EXPORTER_FORMAT_PS, argv[2]);
test_save (document, argv[2]);
test_save_to_pdf (document, argv[2]);
test_metadata (document);
rc = spectre_render_context_new ();
for (i = 0; i < spectre_document_get_n_pages (document); i++) {
SpectrePage *page, *page2;
cairo_surface_t *surface;
char *filename;
int width, height;
unsigned char *data = NULL;
int row_length;
page = spectre_document_get_page (document, i);
if (spectre_document_status (document)) {
printf ("Error getting page %d: %s\n", i,
spectre_status_to_string (spectre_document_status (document)));
continue;
}
spectre_page_get_size (page, &width, &height);
printf ("Page %d\n", i);
printf ("\tPage label: %s\n", spectre_page_get_label (page));
printf ("\tPage size: %d x %d\n", width, height);
printf ("\tPage orientation: %s\n",
orientation_to_string (spectre_page_get_orientation (page)));
page2 = spectre_document_get_page_by_label (document, spectre_page_get_label (page));
if (!page2 || spectre_document_status (document)) {
printf ("Error getting page %d by its label %s: %s\n", i,
spectre_page_get_label (page),
spectre_status_to_string (spectre_document_status (document)));
}
spectre_page_free (page2);
spectre_render_context_set_page_size (rc, width, height);
spectre_page_render (page, rc, &data, &row_length);
if (spectre_page_status (page)) {
printf ("Error rendering page %d: %s\n", i,
spectre_status_to_string (spectre_page_status (page)));
free (data);
spectre_page_free (page);
continue;
}
surface = cairo_image_surface_create_for_data (data,
CAIRO_FORMAT_RGB24,
width, height,
row_length);
filename = _spectre_strdup_printf ("%s/page-%d.png", argv[2], i);
cairo_surface_write_to_png (surface, filename);
free (filename);
cairo_surface_destroy (surface);
free (data);
spectre_page_free (page);
}
spectre_render_context_free (rc);
test_render_slice (document, argv[2]);
test_page_size (document, argv[2]);
test_rotation (document, argv[2]);
spectre_document_free (document);
return 0;
}
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