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Allow async printing and calculate scale level

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This commit is contained in:
Moritz Lipp 2011-05-02 18:49:54 +02:00
parent 00589a7295
commit f0d2e71ef9
1 changed files with 33 additions and 14 deletions
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47
print.c
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@ -18,7 +18,7 @@ print(zathura_t* zathura)
gtk_print_operation_set_default_page_setup(print_operation, zathura->print.page_setup);
}
gtk_print_operation_set_show_progress(print_operation, TRUE);
gtk_print_operation_set_allow_async(print_operation, TRUE);
gtk_print_operation_set_n_pages(print_operation, zathura->document->number_of_pages);
gtk_print_operation_set_current_page(print_operation, zathura->document->current_page_number);
@ -40,22 +40,41 @@ print(zathura_t* zathura)
g_object_unref(print_operation);
}
void
cb_print_begin(GtkPrintOperation* print_operation, GtkPrintContext* context, zathura_t* zathura)
{
}
void
cb_print_draw_page(GtkPrintOperation* print_operation, GtkPrintContext* context, gint page_number, zathura_t* zathura)
{
/*cairo_t* cairo = gtk_print_context_get_cairo_context(context);*/
cairo_t* cairo = gtk_print_context_get_cairo_context(context);
/*zathura_page_t* page = zathura->document->pages[page_number];*/
/*g_static_mutex_lock(&(page->lock));*/
/*zathura_image_buffer_t* image_buffer = zathura_page_render(page);*/
/*g_static_mutex_unlock(&(page->lock));*/
girara_info("Printing page %d", page_number);
/*for (unsigned int y = 0; y < image_buffer->height; y++) {*/
/*unsigned char* src = image_buffer->data + y * image_buffer->rowstride;*/
/*for (unsigned int x = 0; x < image_buffer->width; x++) {*/
/*cairo_set_source_rgb(cairo, src[0], src[1], src[2]);*/
/*cairo_rectangle(cairo, x, y, 1, 1);*/
/*cairo_fill(cairo);*/
/*}*/
/*}*/
zathura_page_t* page = zathura->document->pages[page_number];
double requested_with = gtk_print_context_get_width(context);
double tmp_scale = zathura->document->scale;
zathura->document->scale = requested_with / page->width;
g_static_mutex_lock(&(page->lock));
zathura_image_buffer_t* image_buffer = zathura_page_render(page);
g_static_mutex_unlock(&(page->lock));
for (unsigned int y = 0; y < image_buffer->height; y++) {
unsigned char* src = image_buffer->data + y * image_buffer->rowstride;
for (unsigned int x = 0; x < image_buffer->width; x++) {
if (src[0] != 255 && src[1] != 255 && src[2] != 255) {
cairo_set_source_rgb(cairo, src[0], src[1], src[2]);
cairo_rectangle(cairo, x, y, 1, 1);
cairo_fill(cairo);
}
src += 3;
}
}
zathura->document->scale = tmp_scale;
}