#endif
#include <stdlib.h>
-#ifdef HAVE_STDINT_H
-#include <stdint.h>
-#endif
-#ifdef HAVE_INTTYPES_H
-#include <inttypes.h>
-#endif
#include <sys/stat.h>
#include "gvplugin_loadimage.h"
-// not ready yet
-#undef HAVE_POPPLER
-
-#ifdef HAVE_POPPLER
#ifdef HAVE_PANGOCAIRO
+#ifdef HAVE_POPPLER
#include <poppler.h>
-#include <cairo/cairo.h>
+#include <cairo.h>
#ifdef WIN32
#define NUL_FILE "nul"
FORMAT_PDF_CAIRO,
} format_type;
-typedef struct poppler_s {
- cairo_t* cr;
- cairo_surface_t* surface;
- cairo_pattern_t* pattern;
-} poppler_t;
static void gvloadimage_poppler_free(usershape_t *us)
{
- poppler_t *poppler = (poppler_t*)us->data;
-
- if (poppler->pattern) cairo_pattern_destroy(poppler->pattern);
- if (poppler->surface) cairo_surface_destroy(poppler->surface);
- free(poppler);
-}
-
-#if 0
-static int poppler_writer(void *caller_handle, const char *str, int len)
-{
- GVJ_t *job = (GVJ_t*)caller_handle;
-
- if (job->common->verbose)
- return fwrite(str, 1, len, stderr);
- return len;
+ g_object_unref((PopplerDocument*)us->data);
}
-static void poppler_error(GVJ_t * job, const char *name, const char *funstr, int err)
+static PopplerDocument* gvloadimage_poppler_load(GVJ_t * job, usershape_t *us)
{
- const char *errsrc;
-
- assert (err < 0);
-
- if (err >= e_VMerror)
- errsrc = "PostScript Level 1";
- else if (err >= e_unregistered)
- errsrc = "PostScript Level 2";
- else if (err >= e_invalidid)
- errsrc = "DPS error";
- else
- errsrc = "Ghostscript internal error";
+ PopplerDocument *document = NULL;
+ GError *error;
+ gchar *absolute, *uri;
- job->common->errorfn("%s: %s() returned: %d \"%s\" (%s)\n",
- name, funstr, err, poppler_error_names[-err - 1], errsrc);
-}
-#endif
+ assert(job);
+ assert(us);
+ assert(us->name);
-static int gvloadimage_process_file(GVJ_t *job, usershape_t *us, void *instance)
-{
- int rc = 0, exit_code;
- gchar *absolute, *ura, *dir;
- PopplerDocument *document;
- PopplerPage *page;
- GError *error;
- int num_pages;
+ if (us->data) {
+ if (us->datafree == gvloadimage_poppler_free)
+ document = (PopplerDocument*)(us->data); /* use cached data */
+ else {
+ us->datafree(us); /* free incompatible cache data */
+ us->data = NULL;
+ }
- if (! gvusershape_file_access(us)) {
- job->common->errorfn("Failure to read shape file\n");
- return -1;
- }
- if (g_path_is_absolute(pdf_file)) {
- absolute = g_strdup (pdf_file);
- } else {
- dir = g_get_current_dir ();
- absolute = g_build_filename (dir, pdf_file, (gchar *) 0);
- free (dir);
}
- uri = g_filename_to_uri (absolute, NULL, &error);
- 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) {
- printf("must be at least one page in the pdf\n");
- return 1;
- }
+ if (!document) { /* read file into cache */
+ if (!gvusershape_file_access(us))
+ return NULL;
+ switch (us->type) {
+ case FT_PDF:
+
+ 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 NULL;
+ }
+
+ document = poppler_document_new_from_file (uri, NULL, &error);
+ if (document == NULL) {
+ printf("%s\n", error->message);
+ return NULL;
+ }
+
+ break;
+ default:
+ break;
+ }
+
+ if (document) {
+ us->data = (void*)document;
+ us->datafree = gvloadimage_poppler_free;
+ }
- page = poppler_document_get_page (document, 1);
- if (page == NULL) {
- printf("poppler fail: page 1 not found\n");
- return 1;
+ gvusershape_file_release(us);
}
- gvusershape_file_release(us);
- return rc;
+ return document;
}
-static int gvloadimage_process_surface(GVJ_t *job, usershape_t *us, poppler_t *poppler, void *instance)
+static void gvloadimage_poppler_cairo(GVJ_t * job, usershape_t *us, boxf b, boolean filled)
{
- cairo_t *cr; /* temp cr for poppler */
- int rc, rc2;
- char width_height[20], dpi[10], cairo_context[30];
- char *poppler_args[] = {
- "dot", /* actual value of argv[0] doesn't matter */
- "-dQUIET",
- "-dNOPAUSE",
- "-sDEVICE=cairo",
- cairo_context,
- width_height,
- dpi,
- };
-#define POPPLER_ARGC sizeof(poppler_args)/sizeof(poppler_args[0])
-
- poppler->surface = cairo_surface_create_similar(
- cairo_get_target(poppler->cr),
- CAIRO_CONTENT_COLOR_ALPHA,
- us->x + us->w,
- us->y + us->h);
-
- cr = cairo_create(poppler->surface); /* temp context for poppler */
-
- sprintf(width_height, "-g%dx%d", us->x + us->w, us->y + us->h);
- sprintf(dpi, "-r%d", us->dpi);
- sprintf(cairo_context, "-sCairoContext=%p", cr);
-
- rc = popplerapi_init_with_args(instance, POPPLER_ARGC, poppler_args);
-
- cairo_destroy(cr); /* finished with temp context */
-
- if (rc)
- poppler_error(job, us->name, "popplerapi_init_with_args", rc);
- else
- rc = gvloadimage_process_file(job, us, instance);
-
- if (rc) {
- cairo_surface_destroy(poppler->surface);
- poppler->surface = NULL;
- }
+ PopplerDocument* document = gvloadimage_poppler_load(job, us);
- rc2 = popplerapi_exit(instance);
- if (rc2) {
- poppler_error(job, us->name, "popplerapi_exit", rc2);
- return rc2;
- }
+ cairo_t *cr = (cairo_t *) job->context; /* target context */
+ cairo_surface_t *surface; /* source surface */
- if (!rc)
- poppler->pattern = cairo_pattern_create_for_surface (poppler->surface);
+ if (document) {
+ cairo_save(cr);
- return rc;
-}
+//FIX surface = cairo_svg_surface_create(NUL_FILE, us->w, us->h);
-static cairo_pattern_t* gvloadimage_poppler_load(GVJ_t * job, usershape_t *us)
-{
- poppler_t *poppler = NULL;
- popplerapi_revision_t popplerapi_revision_info;
- void *instance;
- int rc;
+ cairo_surface_reference(surface);
- assert(job);
- assert(us);
- assert(us->name);
+ cairo_set_source_surface(cr, surface, 0, 0);
- if (us->data) {
- if (us->datafree == gvloadimage_poppler_free
- && ((poppler_t*)(us->data))->cr == (cairo_t *)job->context)
- poppler = (poppler_t*)(us->data); /* use cached data */
- else {
- us->datafree(us); /* free incompatible cache data */
- us->data = NULL;
- }
- }
- if (!poppler) {
- poppler = (poppler_t *)malloc(sizeof(poppler_t));
- if (!poppler) {
- job->common->errorfn("malloc() failure\n");
- return NULL;
- }
- poppler->cr = (cairo_t *)job->context;
- poppler->surface = NULL;
- poppler->pattern = NULL;
-
- /* cache this - even if things go bad below - avoids repeats */
- us->data = (void*)poppler;
- us->datafree = gvloadimage_poppler_free;
-
-#define POPPLERAPI_REVISION_REQUIRED 863
- rc = popplerapi_revision(&popplerapi_revision_info, sizeof(popplerapi_revision_t));
- if (rc && rc < sizeof(popplerapi_revision_t)) {
- job->common->errorfn("poppler revision - struct too short %d\n", rc);
- return NULL;
- }
- if (popplerapi_revision_info.revision < POPPLERAPI_REVISION_REQUIRED) {
- job->common->errorfn("poppler revision - too old %d\n",
- popplerapi_revision_info.revision);
- return NULL;
- }
-
- rc = popplerapi_new_instance(&instance, (void*)job);
- if (rc)
- poppler_error(job, us->name, "popplerapi_new_instance", rc);
- else {
- rc = popplerapi_set_stdio(instance, NULL, poppler_writer, poppler_writer);
- if (rc)
- poppler_error(job, us->name, "popplerapi_set_stdio", rc);
- else
- rc = gvloadimage_process_surface(job, us, poppler, instance);
- popplerapi_delete_instance(instance);
- }
- }
- return poppler->pattern;
-}
+ cairo_translate(cr, ROUND(b.LL.x), ROUND(-b.UR.y));
+ cairo_scale(cr, (b.UR.x - b.LL.x) / us->w,
+ (b.UR.y - b.LL.y) / us->h);
-static void gvloadimage_poppler_cairo(GVJ_t * job, usershape_t *us, boxf b, boolean filled)
-{
- cairo_t *cr = (cairo_t *) job->context; /* target context */
- cairo_pattern_t *pattern = gvloadimage_poppler_load(job, us);
+//FIX poppler_handle_render_cairo(poppler, cr);
- if (pattern) {
- cairo_save(cr);
- cairo_translate(cr, b.LL.x - us->x, -b.UR.y);
- cairo_scale(cr, (b.UR.x - b.LL.x) / us->w, (b.UR.y - b.LL.y) / us->h);
- cairo_set_source(cr, pattern);
- cairo_paint(cr);
+ cairo_paint (cr);
cairo_restore(cr);
}
}
#endif
gvplugin_installed_t gvloadimage_poppler_types[] = {
-#ifdef HAVE_POPPLER
#ifdef HAVE_PANGOCAIRO
- {FORMAT_PDF_CAIRO, "pdf:cairo", 1, &engine_cairo, NULL},
+#ifdef HAVE_POPPLER
+ {FORMAT_PDF_CAIRO, "pdf:cairo", 1, &engine_cairo, NULL},
#endif
#endif
{0, NULL, 0, NULL, NULL}
projects / graphviz / commitdiff