mirror of
https://git.pwmt.org/pwmt/zathura.git
synced 2024-12-29 13:05:59 +01:00
216 lines
8 KiB
C
216 lines
8 KiB
C
/* See LICENSE file for license and copyright information */
|
|
|
|
#include "print.h"
|
|
#include "document.h"
|
|
#include "render.h"
|
|
#include "page.h"
|
|
|
|
#include <girara/utils.h>
|
|
#include <girara/statusbar.h>
|
|
#include <girara/session.h>
|
|
#include <glib/gi18n.h>
|
|
|
|
static void cb_print_draw_page(GtkPrintOperation* print_operation,
|
|
GtkPrintContext* context, gint page_number,
|
|
zathura_t* zathura);
|
|
static void cb_print_end(GtkPrintOperation* print_operation, GtkPrintContext*
|
|
context, zathura_t* zathura);
|
|
static void cb_print_request_page_setup(GtkPrintOperation* print_operation,
|
|
GtkPrintContext* context,
|
|
gint page_number, GtkPageSetup* setup,
|
|
zathura_t* zathura);
|
|
static void cb_print_done(GtkPrintOperation* operation,
|
|
GtkPrintOperationResult result, zathura_t* zathura);
|
|
|
|
void
|
|
print(zathura_t* zathura)
|
|
{
|
|
g_return_if_fail(zathura != NULL);
|
|
g_return_if_fail(zathura->document != NULL);
|
|
|
|
GtkPrintOperation* print_operation = gtk_print_operation_new();
|
|
|
|
/* print operation settings */
|
|
gtk_print_operation_set_job_name(print_operation, zathura_document_get_path(zathura->document));
|
|
gtk_print_operation_set_allow_async(print_operation, TRUE);
|
|
gtk_print_operation_set_n_pages(print_operation, zathura_document_get_number_of_pages(zathura->document));
|
|
gtk_print_operation_set_current_page(print_operation, zathura_document_get_current_page_number(zathura->document));
|
|
gtk_print_operation_set_use_full_page(print_operation, TRUE);
|
|
|
|
if (zathura->print.settings != NULL) {
|
|
gtk_print_operation_set_print_settings(print_operation,
|
|
zathura->print.settings);
|
|
}
|
|
|
|
if (zathura->print.page_setup != NULL) {
|
|
gtk_print_operation_set_default_page_setup(print_operation,
|
|
zathura->print.page_setup);
|
|
}
|
|
gtk_print_operation_set_embed_page_setup(print_operation, TRUE);
|
|
|
|
/* print operation signals */
|
|
g_signal_connect(print_operation, "draw-page", G_CALLBACK(cb_print_draw_page), zathura);
|
|
g_signal_connect(print_operation, "end-print", G_CALLBACK(cb_print_end), zathura);
|
|
g_signal_connect(print_operation, "request-page-setup", G_CALLBACK(cb_print_request_page_setup), zathura);
|
|
g_signal_connect(print_operation, "done", G_CALLBACK(cb_print_done), zathura);
|
|
|
|
/* print */
|
|
GError* error = NULL;
|
|
GtkPrintOperationResult result = gtk_print_operation_run(print_operation,
|
|
GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
|
|
NULL, &error);
|
|
|
|
if (result == GTK_PRINT_OPERATION_RESULT_ERROR) {
|
|
girara_notify(zathura->ui.session, GIRARA_ERROR, _("Printing failed: %s"),
|
|
error->message);
|
|
g_error_free(error);
|
|
}
|
|
|
|
g_object_unref(print_operation);
|
|
}
|
|
|
|
static void
|
|
cb_print_end(GtkPrintOperation* UNUSED(print_operation), GtkPrintContext*
|
|
UNUSED(context), zathura_t* zathura)
|
|
{
|
|
if (zathura == NULL || zathura->ui.session == NULL ||
|
|
zathura->document == NULL) {
|
|
return;
|
|
}
|
|
|
|
const char* file_path = zathura_document_get_path(zathura->document);
|
|
|
|
if (file_path != NULL) {
|
|
girara_statusbar_item_set_text(zathura->ui.session,
|
|
zathura->ui.statusbar.file, file_path);
|
|
}
|
|
}
|
|
|
|
static void
|
|
cb_print_draw_page(GtkPrintOperation* print_operation, GtkPrintContext*
|
|
context, gint page_number, zathura_t* zathura)
|
|
{
|
|
if (context == NULL || zathura == NULL || zathura->document == NULL ||
|
|
zathura->ui.session == NULL || zathura->ui.statusbar.file == NULL) {
|
|
gtk_print_operation_cancel(print_operation);
|
|
return;
|
|
}
|
|
|
|
/* Update statusbar. */
|
|
char* tmp = g_strdup_printf("Printing %d...", page_number);
|
|
girara_statusbar_item_set_text(zathura->ui.session,
|
|
zathura->ui.statusbar.file, tmp);
|
|
g_free(tmp);
|
|
|
|
/* Get the page and cairo handle. */
|
|
cairo_t* cairo = gtk_print_context_get_cairo_context(context);
|
|
zathura_page_t* page = zathura_document_get_page(zathura->document, page_number);
|
|
if (cairo == NULL || page == NULL) {
|
|
gtk_print_operation_cancel(print_operation);
|
|
return;
|
|
}
|
|
|
|
/* Try to render the page without a temporary surface. This only works with
|
|
* plugins that support rendering to any surface. */
|
|
girara_debug("printing page %d ...", page_number);
|
|
zathura_renderer_lock(zathura->sync.render_thread);
|
|
int err = zathura_page_render(page, cairo, true);
|
|
zathura_renderer_unlock(zathura->sync.render_thread);
|
|
if (err == ZATHURA_ERROR_OK) {
|
|
return;
|
|
}
|
|
|
|
/* Try to render the page on a temporary image surface. */
|
|
const gdouble width = gtk_print_context_get_width(context);
|
|
const gdouble height = gtk_print_context_get_height(context);
|
|
|
|
/* Render to a surface that is 5 times larger to workaround quality issues. */
|
|
const double page_height = zathura_page_get_height(page) * 5;
|
|
const double page_width = zathura_page_get_width(page) * 5;
|
|
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, page_width, page_height);
|
|
if (surface == NULL) {
|
|
gtk_print_operation_cancel(print_operation);
|
|
return;
|
|
}
|
|
|
|
cairo_t* temp_cairo = cairo_create(surface);
|
|
if (cairo == NULL) {
|
|
gtk_print_operation_cancel(print_operation);
|
|
cairo_surface_destroy(surface);
|
|
return;
|
|
}
|
|
|
|
/* Draw a white background. */
|
|
cairo_save(temp_cairo);
|
|
cairo_set_source_rgb(temp_cairo, 1, 1, 1);
|
|
cairo_rectangle(temp_cairo, 0, 0, page_width, page_height);
|
|
cairo_fill(temp_cairo);
|
|
cairo_restore(temp_cairo);
|
|
|
|
/* Render the page to the temporary surface */
|
|
girara_debug("printing page %d (fallback) ...", page_number);
|
|
zathura_renderer_lock(zathura->sync.render_thread);
|
|
err = zathura_page_render(page, temp_cairo, true);
|
|
zathura_renderer_unlock(zathura->sync.render_thread);
|
|
if (err != ZATHURA_ERROR_OK) {
|
|
cairo_destroy(temp_cairo);
|
|
cairo_surface_destroy(surface);
|
|
gtk_print_operation_cancel(print_operation);
|
|
return;
|
|
}
|
|
|
|
/* Rescale the page and keep the aspect ratio */
|
|
const gdouble scale = MIN(width / page_width, height / page_height);
|
|
cairo_scale(cairo, scale, scale);
|
|
|
|
/* Blit temporary surface to original cairo object. */
|
|
cairo_set_source_surface(cairo, surface, 0.0, 0.0);
|
|
cairo_paint(cairo);
|
|
cairo_destroy(temp_cairo);
|
|
cairo_surface_destroy(surface);
|
|
}
|
|
|
|
static void
|
|
cb_print_request_page_setup(GtkPrintOperation* UNUSED(print_operation),
|
|
GtkPrintContext* UNUSED(context), gint page_number,
|
|
GtkPageSetup* setup, zathura_t* zathura)
|
|
{
|
|
if (zathura == NULL || zathura->document == NULL) {
|
|
return;
|
|
}
|
|
|
|
zathura_page_t* page = zathura_document_get_page(zathura->document, page_number);
|
|
double width = zathura_page_get_width(page);
|
|
double height = zathura_page_get_height(page);
|
|
|
|
if (width > height) {
|
|
gtk_page_setup_set_orientation(setup, GTK_PAGE_ORIENTATION_LANDSCAPE);
|
|
} else {
|
|
gtk_page_setup_set_orientation(setup, GTK_PAGE_ORIENTATION_PORTRAIT);
|
|
}
|
|
}
|
|
|
|
static void
|
|
cb_print_done(GtkPrintOperation* operation, GtkPrintOperationResult result,
|
|
zathura_t* zathura)
|
|
{
|
|
if (result == GTK_PRINT_OPERATION_RESULT_APPLY) {
|
|
if (zathura->print.settings != NULL) {
|
|
g_object_unref(zathura->print.settings);
|
|
}
|
|
if (zathura->print.page_setup != NULL) {
|
|
g_object_unref(zathura->print.page_setup);
|
|
}
|
|
|
|
/* save previous settings */
|
|
zathura->print.settings = g_object_ref(gtk_print_operation_get_print_settings(operation));
|
|
zathura->print.page_setup = g_object_ref(gtk_print_operation_get_default_page_setup(operation));
|
|
} else if (result == GTK_PRINT_OPERATION_RESULT_ERROR) {
|
|
GError* error = NULL;
|
|
gtk_print_operation_get_error(operation, &error);
|
|
girara_notify(zathura->ui.session, GIRARA_ERROR, _("Printing failed: %s"),
|
|
error->message);
|
|
g_error_free(error);
|
|
}
|
|
}
|
|
|