-
Notifications
You must be signed in to change notification settings - Fork 3
/
Scale Pages.js
217 lines (184 loc) · 7.49 KB
/
Scale Pages.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
/*
Scale Pages.js
Updated: Dec 20 2020, Sara Linsley
----------------
Installation instructions here: https://github.com/saraoswald/Manga-Scripts#how-to-use-scripts-in-indesign
Purpose:
Sometimes a pages that have already been lettered need to be adjusted in size
to meet the bleed and margin requirments. This script allows you to scale all
of the art and text at once, for multiple pages.
Usage Instructions:
- Open an InDesign document
- Run Place Art.js
- Provide a factor by which to scale page items
- Specify whether to scale a range of pages or all of them
- Hit "OK"
Important Notes:
- This is a really intensive operation on your computer. It will take a while.
- This script *will not* place art on locked layers, so protect your other work by locking layers
- This script ignores page binding settings. Page 1 to the script is Page 1 to InDesign.
*/
var doc = app.activeDocument;
function myDisplayDialog() {
myDialog = app.dialogs.add({ name: "Scale Pages" });
var supportedPageRangeTypes = ["Range", "All"];
var pageRangeControl, pageRangeInput;
var scaleFactor;
with(myDialog) {
with(dialogColumns.add()) {
with(dialogRows.add()) {
staticTexts.add({ staticLabel: "Resize all text and graphics in unlocked layers." });
}
with(dialogRows.add()) {
staticTexts.add({ staticLabel: "Scale Factor:" });
scaleFactor = percentEditboxes.add({ editValue: 100 });
}
with(dialogRows.add()) {
staticTexts.add({ staticLabel: "Pages:" });
pageRangeControl = radiobuttonGroups.add();
with(pageRangeControl) {
for (var i = 0; i < supportedPageRangeTypes.length; i++) {
radiobuttonControls.add({ staticLabel: supportedPageRangeTypes[i], checkedState: i == 0, minWidth: 65 });
}
pageRangeInput = textEditboxes.add({ editContents: app.activeWindow.activePage.name });
}
}
}
}
var myReturn = myDialog.show();
if (myReturn == true) {
var needsReview = false;
var selectedPageRange = pageRangeControl.selectedButton;
var pageRange = selectedPageRange === 0 ? getValidRange(pageRangeInput.editContents) : doc.pages;
if (selectedPageRange === 0 && pageRange.length === 0) {
alert('Please enter a valid page range (e.g. "12, 32-33")');
needsReview = true;
}
resizePages(scaleFactor.editValue, pageRange)
if (!needsReview) {
myDialog.destroy();
}
} else {
myDialog.destroy();
}
}
// returns sorted array of numbers based on given range string
// e.g. "11-13, 23" returns [11,12,13,23]
function getValidRange(inp) {
var getRange = function(start, stop) {
var res = []
for (var i = start; i <= stop; i++) res.push(i); // who needs polyfill when you have for loops amirite
return res;
}
var getCleanRange = function(inp) {
var nums = inp.split('-');
var x = parseInt(nums[0]),
y = parseInt(nums[1]) || parseInt(nums[0]);
return (nums.length > 0 &&
x && y &&
x <= y
) ? getRange(x, y) : false;
}
var arr = inp.replace(/\s/g, '').split(',');
var resArr = [];
for (var i = 0; i < arr.length; i++) {
var cleanRange = getCleanRange(arr[i]);
for (var j = 0; cleanRange && j < cleanRange.length; j++) {
var pageObj = cleanRange[j] ? doc.pages.itemByName(cleanRange[j].toString()) : {};
if (pageObj.isValid) {
resArr.push(pageObj);
}
}
}
return resArr.sort();
}
var selectAllOnPage = function() {
var filterFrames = function(pageItem) { return !pageItem.itemLayer.locked && !pageItem.locked };
var selection = filter(app.activeWindow.activePage.pageItems, filterFrames);
app.selection = selection;
return selection;
}
// returns whether or not a given frame is fully past a page's margins
// uses the margin as a reference point instead of page bounds or bleed due to floating point issues :/
function isFramePastMargin(page, frame) {
var prfs = page.marginPreferences,
pb = page.bounds,
fb = frame.geometricBounds;
return fb[0] <= pb[0] + prfs.top &&
fb[1] <= pb[1] + prfs.left &&
fb[2] >= pb[2] - prfs.bottom &&
fb[3] >= pb[3] - prfs.right;
}
// takes bounds input and gives output in the form [y1, x1, y2, x2]
// adds the document setting for bleed, taking into account the gutter
function getPageBleed(page) {
var prfs = doc.documentPreferences,
pb = page.bounds,
bleedLeft = page.side == PageSideOptions.RIGHT_HAND ? 0 : prfs.documentBleedOutsideOrRightOffset,
bleedRight = page.side == PageSideOptions.LEFT_HAND ? 0 : prfs.documentBleedOutsideOrRightOffset;
return [
pb[0] - prfs.documentBleedTopOffset, //y1
pb[1] - bleedLeft, // x1
pb[2] + prfs.documentBleedBottomOffset, // y2
pb[3] + bleedRight // x2
]
}
// grab menu actions so we can invoke them later
var doScaleUpOne = app.menuActions.itemByName("Increase scale by 1%");
var doScaleUpFive = app.menuActions.itemByName("Increase scale by 5%");
var doScaleDownOne = app.menuActions.itemByName("Decrease scale by 1%");
var doScaleDownFive = app.menuActions.itemByName("Decrease scale by 5%");
// Recursively scale the page, starting with 5% increments,
// until the equillibrium point of 100%
function scaleSelected(factor) {
if (factor === 100) return;
if (factor > 104 && doScaleUpFive.enabled) {
doScaleUpFive.invoke();
scaleSelected(factor - 5);
} else if (factor > 100 && doScaleUpOne.enabled) {
doScaleUpOne.invoke();
scaleSelected(factor - 1);
} else if (factor < 96 && doScaleDownFive.enabled) {
doScaleDownFive.invoke();
scaleSelected(factor + 5);
} else if (factor < 100 && doScaleDownOne.enabled) {
doScaleDownOne.invoke();
scaleSelected(factor + 1);
} else { return }
}
function resizePages(scaleFactor, pageRange) {
if (scaleFactor === 100) return; // don't waste resources if the scale factor wasn't changed
var resizePage = function(page) {
// change the active page
app.activeWindow.activePage = page;
// select everything that's not in a locked layer on the page
var selected = selectAllOnPage();
// keep track of frames that are past the margin, so that we can refit them to the bleed later
var needsToBeFitted = filter(selected, function(s) { return isFramePastMargin(page, s) });
// scale everything that's selected by the given scale value
scaleSelected(scaleFactor);
// refit anything that was larger than the margin to the bleed
// this is intended for base art frames
forEach(needsToBeFitted, function(f) { return f.geometricBounds = getPageBleed(page) });
}
forEach(pageRange, resizePage);
}
// basically Array.filter
function filter(arr, filterFn) {
var res = [];
for (var i = 0; i < arr.length; i++) {
if (filterFn(arr[i])) {
res.push(arr[i])
}
}
return res;
}
// basically Array.forEach
function forEach(arr, fn) {
for (var i = 0; i < arr.length; i++) {
fn(arr[i]);
}
}
try {
myDisplayDialog();
} catch (err) { alert(err) }