mirror of
https://git.pwmt.org/pwmt/zathura.git
synced 2024-09-21 06:21:18 +02:00
83 lines
2.7 KiB
C
83 lines
2.7 KiB
C
#include "print.h"
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#include "document.h"
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void
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print(zathura_t* zathura)
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{
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g_return_if_fail(zathura != NULL);
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g_return_if_fail(zathura->document != NULL);
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GtkPrintOperation* print_operation = gtk_print_operation_new();
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/* print operation settings */
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if (zathura->print.settings != NULL) {
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gtk_print_operation_set_print_settings(print_operation, zathura->print.settings);
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}
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if (zathura->print.page_setup != NULL) {
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gtk_print_operation_set_default_page_setup(print_operation, zathura->print.page_setup);
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}
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gtk_print_operation_set_allow_async(print_operation, TRUE);
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gtk_print_operation_set_n_pages(print_operation, zathura->document->number_of_pages);
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gtk_print_operation_set_current_page(print_operation, zathura->document->current_page_number);
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/* print operation signals */
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g_signal_connect(print_operation, "draw-page", G_CALLBACK(cb_print_draw_page), zathura);
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/* print */
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GtkPrintOperationResult result = gtk_print_operation_run(print_operation,
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GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, NULL, NULL);
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if (result == GTK_PRINT_OPERATION_RESULT_APPLY) {
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/* save previous settings */
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zathura->print.settings = gtk_print_operation_get_print_settings(print_operation);
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zathura->print.page_setup = gtk_print_operation_get_default_page_setup(print_operation);
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} else if (result == GTK_PRINT_OPERATION_RESULT_ERROR) {
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girara_error("Error occured while printing progress");
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}
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g_object_unref(print_operation);
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}
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void
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cb_print_begin(GtkPrintOperation* UNUSED(print_operation), GtkPrintContext*
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UNUSED(context), zathura_t* UNUSED(zathura))
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{
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}
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void
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cb_print_draw_page(GtkPrintOperation* UNUSED(print_operation), GtkPrintContext*
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context, gint page_number, zathura_t* zathura)
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{
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cairo_t* cairo = gtk_print_context_get_cairo_context(context);
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girara_info("Printing page %d", page_number);
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zathura_page_t* page = zathura->document->pages[page_number];
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double requested_with = gtk_print_context_get_width(context);
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double tmp_scale = zathura->document->scale;
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zathura->document->scale = requested_with / page->width;
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g_static_mutex_lock(&(page->lock));
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zathura_image_buffer_t* image_buffer = zathura_page_render(page);
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g_static_mutex_unlock(&(page->lock));
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for (unsigned int y = 0; y < image_buffer->height; y++) {
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unsigned char* src = image_buffer->data + y * image_buffer->rowstride;
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for (unsigned int x = 0; x < image_buffer->width; x++) {
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if (src[0] != 255 && src[1] != 255 && src[2] != 255) {
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cairo_set_source_rgb(cairo, src[0], src[1], src[2]);
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cairo_rectangle(cairo, x, y, 1, 1);
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cairo_fill(cairo);
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}
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src += 3;
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}
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}
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zathura->document->scale = tmp_scale;
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}
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