Init and clear functions for annotation border

libzathura/annotations/annotation-square-and-circle.c

@@ -2,6 +2,7 @@
 
 #include <stdlib.h>
 #include <string.h>
+#include <stdio.h>
 
 #include "../annotations.h"
 #include "annotation-caret.h"

libzathura/annotations/border.c

+/* See LICENSE file for license and copyright information */
+
+#include "border.h"
+
+zathura_error_t
+zathura_annotation_border_init(zathura_annotation_border_t* annotation_border)
+{
+  if (annotation_border == NULL) {
+    return ZATHURA_ERROR_INVALID_ARGUMENTS;
+  }
+
+  annotation_border->width = 1;
+  annotation_border->style = ZATHURA_ANNOTATION_BORDER_STYLE_SOLID;
+  annotation_border->dash_pattern.dash_array = NULL;
+  annotation_border->dash_pattern.dash_phase = 0;
+  annotation_border->effect = ZATHURA_ANNOTATION_BORDER_EFFECT_NONE;
+  annotation_border->intensity = 0;
+
+  return ZATHURA_ERROR_OK;
+}
+
+zathura_error_t
+zathura_annotation_border_clear(zathura_annotation_border_t* annotation_border)
+{
+  if (annotation_border == NULL) {
+    return ZATHURA_ERROR_INVALID_ARGUMENTS;
+  }
+
+  if (annotation_border->dash_pattern.dash_array != NULL) {
+    zathura_list_free(annotation_border->dash_pattern.dash_array);
+    annotation_border->dash_pattern.dash_array = NULL;
+  }
+
+  return ZATHURA_ERROR_OK;
+}

libzathura/annotations/border.h

@@ -8,6 +8,7 @@ extern "C" {
 #endif
 
 #include "../list.h"
+#include "../error.h"
 
 /**
  * The border style.
@@ -107,6 +108,9 @@ typedef struct zathura_annotation_border_s {
   float intensity;
 } zathura_annotation_border_t;
 
+zathura_error_t zathura_annotation_border_init(zathura_annotation_border_t* annotation_border);
+zathura_error_t zathura_annotation_border_clear(zathura_annotation_border_t* annotation_border);
+
 #ifdef __cplusplus
 }
 #endif