From 62d52b597d6a9cf4ed7ef0782fad8ca5eca24aa0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Yaroslav=20de=20la=20Pe=C3=B1a=20Smirnov?=
 <yps@yaroslavps.com>
Date: Mon, 29 Nov 2021 21:09:33 +0300
Subject: config: blur setting for thumbnails/images

---
 README.md          |  2 +-
 include/config.h   |  1 +
 src/config.c       | 14 ++++++++++++++
 src/site.c         |  9 ++++-----
 src/tests/config.c |  7 +++++--
 tests/site.ini     |  2 ++
 6 files changed, 27 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index 1bf6ac0..9d8e76c 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ A static web image gallery generator. It optimizes images for the web and
 generates HTML files to create a photo/image gallery web site ready to be served
 by an HTML server.
 
-Early stages. It's functional but a little rough around the edges.
+Alpha stages. It's functional but a little rough around the edges.
 
 ## Building
 
diff --git a/include/config.h b/include/config.h
index 398160b..589671f 100644
--- a/include/config.h
+++ b/include/config.h
@@ -13,6 +13,7 @@ struct image_config {
 	size_t max_width;
 	size_t max_height;
 	bool smart_resize;
+	double blur;
 };
 
 struct site_config {
diff --git a/src/config.c b/src/config.c
index e9dd609..1bc531f 100644
--- a/src/config.c
+++ b/src/config.c
@@ -75,6 +75,18 @@ site_config_images_keyvalue_handler(struct parcini_line *parsed,
 		res = parcini_value_handle(&parsed->value, PARCINI_VALUE_BOOLEAN,
 				&iconfig->smart_resize) ? CONFIG_KEY_OK : CONFIG_KEY_BADVALUE;
 	}
+	if (!strcmp(parsed->key, "blur")) {
+		long int temp;
+		res = parcini_value_handle(&parsed->value, PARCINI_VALUE_INTEGER,
+				&temp) ? CONFIG_KEY_OK : CONFIG_KEY_BADVALUE;
+		if (res == CONFIG_KEY_OK) {
+			if (temp < -100 || temp > 100) {
+				res = CONFIG_KEY_BADVALUE;
+			} else {
+				iconfig->blur = (double)temp/100;
+			}
+		}
+	}
 
 	return res;
 }
@@ -227,6 +239,7 @@ site_config_init(void)
 			.max_width = 3000,
 			.max_height = 2000,
 			.smart_resize = true,
+			.blur = 0,
 		};
 		config->thumbnails = (struct image_config) {
 			.strip = true,
@@ -234,6 +247,7 @@ site_config_init(void)
 			.max_width = 400,
 			.max_height = 270,
 			.smart_resize = true,
+			.blur = 0.25,
 		};
 	}
 
diff --git a/src/site.c b/src/site.c
index a47d16e..2d3922b 100644
--- a/src/site.c
+++ b/src/site.c
@@ -111,7 +111,8 @@ optimize_image(MagickWand *wand, const char *dst,
 				nx = ny * ratio;
 			}
 		}
-		TRYWAND(wand, MagickResizeImage(wand, nx, ny, GaussianFilter, 0));
+		TRYWAND(wand, MagickResizeImage(wand, nx, ny, GaussianFilter,
+					conf->blur));
 	}
 	TRYWAND(wand, MagickWriteImage(wand, dst));
 	setdatetime(dst, srcmtim);
@@ -214,8 +215,8 @@ albums_walk(struct bstnode *node, void *data)
 	struct stat dstat;
 	if (!nmkdir(album->slug, &dstat, site->dry_run)) return false;
 
+	hashmap_insert(site->album_dirs, album->slug, (char *)album->slug);
 	if (!site->dry_run) {
-		hashmap_insert(site->album_dirs, album->slug, (char *)album->slug);
 		if (!render_set_album_vars(&site->render, album)) return false;
 
 	}
@@ -390,9 +391,7 @@ site_init(struct site *site)
 	site->rel_content_dir = strlen(site->root_dir) + 1;
 	InitializeMagick(NULL);
 	site->wand = NewMagickWand();
-	if (!site->dry_run) {
-		site->album_dirs = hashmap_new();
-	}
+	site->album_dirs = hashmap_new();
 	site->render.dry_run = site->dry_run;
 
 	return true;
diff --git a/src/tests/config.c b/src/tests/config.c
index 8d86a2f..64a4da8 100644
--- a/src/tests/config.c
+++ b/src/tests/config.c
@@ -1,8 +1,9 @@
 #include <string.h>
+#include <math.h>
 
-#include "tests/tests.h"
-#include "config.h"
 #include "log.h"
+#include "config.h"
+#include "tests/tests.h"
 
 #define TESTS_DIR "tests"
 #define TEST_ALBUM "tests/album.ini"
@@ -20,11 +21,13 @@ test_site_config_read_ini(void)
 	asserteq(config->images.max_width, 3000);
 	asserteq(config->images.max_height, 2000);
 	asserteq(config->images.smart_resize, true);
+	asserteq(fabs(config->images.blur - 0.0) < 0.0001, true);
 	asserteq(config->thumbnails.strip, true);
 	asserteq(config->thumbnails.quality, 75);
 	asserteq(config->thumbnails.max_width, 400);
 	asserteq(config->thumbnails.max_height, 270);
 	asserteq(config->thumbnails.smart_resize, true);
+	asserteq(fabs(config->thumbnails.blur - 0.1) < 0.0001, true);
 	site_config_destroy(config);
 }
 
diff --git a/tests/site.ini b/tests/site.ini
index eca9e59..ad4a575 100644
--- a/tests/site.ini
+++ b/tests/site.ini
@@ -8,6 +8,7 @@ quality = 80
 max_width = 3000
 max_height = 2000
 smart_resize = yes
+blur = 0
 
 [thumbnails]
 strip = yes
@@ -15,3 +16,4 @@ quality = 75
 max_width = 400
 max_height = 270
 smart_resize = yes
+blur = 10
-- 
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