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Some fixes and whatnot

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This commit is contained in:
Essem 2022-11-27 14:52:40 -06:00
parent 330dd67063
commit 7ee571dd2b
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GPG key ID: 7D497397CC3A2A8C
30 changed files with 699 additions and 589 deletions
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4
api/index.js
View file

@ -11,7 +11,7 @@ import { createRequire } from "module";
import EventEmitter from "events";
const nodeRequire = createRequire(import.meta.url);
const magick = nodeRequire(`../build/${process.env.DEBUG && process.env.DEBUG === "true" ? "Debug" : "Release"}/image.node`);
const img = nodeRequire(`../build/${process.env.DEBUG && process.env.DEBUG === "true" ? "Debug" : "Release"}/image.node`);
const Rerror = 0x01;
const Tqueue = 0x02;
@ -92,7 +92,7 @@ wss.on("connection", (ws, request) => {
const cur = Buffer.alloc(2);
cur.writeUInt16LE(jobAmount);
const formats = {};
for (const cmd of Object.keys(magick)) {
for (const cmd of img.funcs) {
formats[cmd] = ["image/png", "image/gif", "image/jpeg", "image/webp"];
}
const init = Buffer.concat([Buffer.from([Rinit]), Buffer.from([0x00, 0x00]), num, cur, Buffer.from(JSON.stringify(formats))]);

40
natives/blur.cc
View file

@ -1,35 +1,35 @@
#include "common.h"
#include <vips/vips8>
#include <string>
#include <map>
#include <string>
#include <vips/vips8>
using namespace std;
using namespace vips;
char* Blur(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
string caption = Arguments["caption"];
string font = MAP_GET(Arguments, "font");
bool sharp = MAP_GET(Arguments, "sharp") == "true";
VOption *options = VImage::option()->set("access", "sequential");
char *Blur(string type, char *BufferData, size_t BufferLength,
map<string, any> Arguments, size_t *DataSize) {
bool sharp = MAP_GET(Arguments, "sharp", bool);
VOption *options = VImage::option()->set("access", "sequential");
VImage in =
VImage in =
VImage::new_from_buffer(BufferData, BufferLength, "",
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
if (!in.has_alpha()) in = in.bandjoin(255);
if (!in.has_alpha())
in = in.bandjoin(255);
// TODO: find a better way to calculate the intensity for GIFs without
// splitting frames
VImage out = sharp ? in.sharpen(VImage::option()->set("sigma", 3))
: in.gaussblur(15);
// TODO: find a better way to calculate the intensity for GIFs without
// splitting frames
VImage out =
sharp ? in.sharpen(VImage::option()->set("sigma", 3)) : in.gaussblur(15);
void *buf;
out.write_to_buffer(("." + type).c_str(), &buf, DataSize);
void *buf;
out.write_to_buffer(("." + type).c_str(), &buf, DataSize);
vips_error_clear();
vips_thread_shutdown();
vips_error_clear();
vips_thread_shutdown();
return (char*) buf;
return (char *)buf;
}

9
natives/blur.h
View file

@ -1,8 +1,11 @@
#pragma once
#include <napi.h>
#include <any>
#include <map>
#include <string>
using std::string;
using std::any;
using std::map;
using std::string;
char* Blur(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
char* Blur(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

109
natives/caption.cc
View file

@ -7,65 +7,76 @@
using namespace std;
using namespace vips;
char* Caption(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
char *Caption(string type, char *BufferData, size_t BufferLength,
map<string, any> Arguments, size_t *DataSize) {
string caption = Arguments["caption"];
string font = MAP_GET(Arguments, "font");
string caption = MAP_GET(Arguments, "caption", string);
string font = MAP_GET(Arguments, "font", string);
string basePath = MAP_GET(Arguments, "basePath", string);
VOption *options = VImage::option()->set("access", "sequential");
VOption *options = VImage::option()->set("access", "sequential");
VImage in =
VImage in =
VImage::new_from_buffer(BufferData, BufferLength, "",
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
if (!in.has_alpha())
in = in.bandjoin(255);
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
int width = in.width();
int size = width / 10;
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());
int textWidth = width - ((width / 25) * 2);
if (!in.has_alpha())
in = in.bandjoin(255);
string font_string = (font == "roboto" ? "Roboto Condensed" : font) + " " +
(font != "impact" ? "bold" : "normal") + " " +
to_string(size);
int width = in.width();
int size = width / 10;
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());
int textWidth = width - ((width / 25) * 2);
string captionText = "<span background=\"white\">" + caption + "</span>";
string font_string = (font == "roboto" ? "Roboto Condensed" : font) + " " +
(font != "impact" ? "bold" : "normal") + " " +
to_string(size);
VImage text =
VImage::text(captionText.c_str(), VImage::option()
->set("rgba", true)
->set("align", VIPS_ALIGN_CENTRE)
->set("font", font_string.c_str())
->set("width", textWidth));
VImage captionImage =
((text == (vector<double>){0, 0, 0, 0}).bandand())
.ifthenelse(255, text)
.gravity(VIPS_COMPASS_DIRECTION_CENTRE, width, text.height() + size,
VImage::option()->set("extend", "white"));
string captionText = "<span background=\"white\">" + caption + "</span>";
vector<VImage> img;
for (int i = 0; i < nPages; i++) {
VImage img_frame =
type == "gif" ? in.crop(0, i * pageHeight, width, pageHeight) : in;
VImage frame = captionImage.join(
img_frame, VIPS_DIRECTION_VERTICAL,
VImage::option()->set("background", 0xffffff)->set("expand", true));
img.push_back(frame);
}
VImage final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
final.set(VIPS_META_PAGE_HEIGHT, pageHeight + captionImage.height());
VImage text;
auto findResult = fontPaths.find(font);
if (findResult != fontPaths.end()) {
text = VImage::text(
".", VImage::option()->set("fontfile",
(basePath + findResult->second).c_str()));
}
text = VImage::text(
captionText.c_str(),
VImage::option()
->set("rgba", true)
->set("align", VIPS_ALIGN_CENTRE)
->set("font", font_string.c_str())
->set("fontfile", (basePath + "assets/fonts/twemoji.otf").c_str())
->set("width", textWidth));
VImage captionImage =
((text == (vector<double>){0, 0, 0, 0}).bandand())
.ifthenelse(255, text)
.gravity(VIPS_COMPASS_DIRECTION_CENTRE, width, text.height() + size,
VImage::option()->set("extend", "white"));
void* buf;
final.write_to_buffer(
("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
: 0);
vector<VImage> img;
for (int i = 0; i < nPages; i++) {
VImage img_frame =
type == "gif" ? in.crop(0, i * pageHeight, width, pageHeight) : in;
VImage frame = captionImage.join(
img_frame, VIPS_DIRECTION_VERTICAL,
VImage::option()->set("background", 0xffffff)->set("expand", true));
img.push_back(frame);
}
VImage final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
final.set(VIPS_META_PAGE_HEIGHT, pageHeight + captionImage.height());
vips_error_clear();
vips_thread_shutdown();
void *buf;
final.write_to_buffer(
("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
: 0);
return (char*) buf;
vips_error_clear();
vips_thread_shutdown();
return (char *)buf;
}

8
natives/caption.h
View file

@ -1,7 +1,11 @@
#pragma once
#include <any>
#include <map>
#include <string>
#include <napi.h>
char* Caption(std::string type, char* BufferData, size_t BufferLength, std::map<std::string, std::string> Arguments, size_t* DataSize);
using std::any;
using std::map;
using std::string;
char* Caption(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

130
natives/caption2.cc
View file

@ -1,85 +1,85 @@
#include "common.h"
#include "common.h"
#include <string>
#include <map>
#include <string>
#include <vips/vips8>
using namespace std;
using namespace vips;
char* CaptionTwo(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
char *CaptionTwo(string type, char *BufferData, size_t BufferLength,
map<string, any> Arguments, size_t *DataSize) {
bool top = MAP_GET(Arguments, "top") == "true";
string caption = Arguments["caption"];
string font = MAP_GET(Arguments, "font");
string basePath = MAP_GET(Arguments, "basePath");
bool top = MAP_GET(Arguments, "top", bool);
string caption = MAP_GET(Arguments, "caption", string);
string font = MAP_GET(Arguments, "font", string);
string basePath = MAP_GET(Arguments, "basePath", string);
VOption *options = VImage::option()->set("access", "sequential");
VOption *options = VImage::option()->set("access", "sequential");
VImage in =
VImage in =
VImage::new_from_buffer(BufferData, BufferLength, "",
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
if (!in.has_alpha())
in = in.bandjoin(255);
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
int width = in.width();
int size = width / 13;
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());
int textWidth = width - ((width / 25) * 2);
if (!in.has_alpha())
in = in.bandjoin(255);
string font_string = (font == "roboto" ? "Roboto Condensed" : font) +
", Twemoji Color Emoji " + to_string(size);
int width = in.width();
int size = width / 13;
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());
int textWidth = width - ((width / 25) * 2);
string captionText = "<span background=\"white\">" + caption + "</span>";
string font_string = (font == "roboto" ? "Roboto Condensed" : font) +
", Twemoji Color Emoji " + to_string(size);
VImage text;
auto findResult = fontPaths.find(font);
if (findResult != fontPaths.end()) {
text = VImage::text(
".", VImage::option()->set("fontfile",
(basePath + findResult->second).c_str()));
}
string captionText = "<span background=\"white\">" + caption + "</span>";
VImage text;
auto findResult = fontPaths.find(font);
if (findResult != fontPaths.end()) {
text = VImage::text(
captionText.c_str(),
VImage::option()
->set("rgba", true)
->set("font", font_string.c_str())
->set("fontfile", (basePath + "assets/fonts/twemoji.otf").c_str())
->set("align", VIPS_ALIGN_LOW)
->set("width", textWidth));
VImage captionImage =
((text == (vector<double>){0, 0, 0, 0}).bandand())
.ifthenelse(255, text)
.embed(width / 25, width / 25, width, text.height() + size,
VImage::option()->set("extend", "white"));
".", VImage::option()->set("fontfile",
(basePath + findResult->second).c_str()));
}
text = VImage::text(
captionText.c_str(),
VImage::option()
->set("rgba", true)
->set("font", font_string.c_str())
->set("fontfile", (basePath + "assets/fonts/twemoji.otf").c_str())
->set("align", VIPS_ALIGN_LOW)
->set("width", textWidth));
VImage captionImage =
((text == (vector<double>){0, 0, 0, 0}).bandand())
.ifthenelse(255, text)
.embed(width / 25, width / 25, width, text.height() + size,
VImage::option()->set("extend", "white"));
vector<VImage> img;
for (int i = 0; i < nPages; i++) {
VImage img_frame =
type == "gif" ? in.crop(0, i * pageHeight, width, pageHeight) : in;
VImage frame =
(top ? captionImage : img_frame)
.join(top ? img_frame : captionImage, VIPS_DIRECTION_VERTICAL,
VImage::option()
->set("background", 0xffffff)
->set("expand", true));
img.push_back(frame);
}
VImage final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
final.set(VIPS_META_PAGE_HEIGHT, pageHeight + captionImage.height());
vector<VImage> img;
for (int i = 0; i < nPages; i++) {
VImage img_frame =
type == "gif" ? in.crop(0, i * pageHeight, width, pageHeight) : in;
VImage frame =
(top ? captionImage : img_frame)
.join(top ? img_frame : captionImage, VIPS_DIRECTION_VERTICAL,
VImage::option()
->set("background", 0xffffff)
->set("expand", true));
img.push_back(frame);
}
VImage final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
final.set(VIPS_META_PAGE_HEIGHT, pageHeight + captionImage.height());
void *buf;
final.write_to_buffer(
("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
: 0);
vips_error_clear();
vips_thread_shutdown();
return (char*) buf;
void *buf;
final.write_to_buffer(
("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
: 0);
vips_error_clear();
vips_thread_shutdown();
return (char *)buf;
}

8
natives/caption2.h
View file

@ -1,7 +1,11 @@
#pragma once
#include <any>
#include <map>
#include <string>
#include <napi.h>
char* CaptionTwo(std::string type, char* BufferData, size_t BufferLength, std::map<std::string, std::string> Arguments, size_t* DataSize);
using std::any;
using std::map;
using std::string;
char* CaptionTwo(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

75
natives/circle.cc
View file

@ -1,48 +1,53 @@
#include "common.h"
#include <Magick++.h>
#include <napi.h>
#include <cstring>
#include <iostream>
#include <string>
#include <map>
#include <list>
#include <map>
#include <string>
using namespace std;
using namespace Magick;
char* Circle(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
Blob blob;
char *Circle(string type, char *BufferData, size_t BufferLength,
map<string, any> Arguments, size_t *DataSize) {
list<Image> frames;
list<Image> coalesced;
list<Image> blurred;
try {
readImages(&frames, Blob(BufferData, BufferLength));
} catch (Magick::WarningCoder &warning) {
cerr << "Coder Warning: " << warning.what() << endl;
} catch (Magick::Warning &warning) {
cerr << "Warning: " << warning.what() << endl;
Blob blob;
list<Image> frames;
list<Image> coalesced;
list<Image> blurred;
try {
readImages(&frames, Blob(BufferData, BufferLength));
} catch (Magick::WarningCoder &warning) {
cerr << "Coder Warning: " << warning.what() << endl;
} catch (Magick::Warning &warning) {
cerr << "Warning: " << warning.what() << endl;
}
coalesceImages(&coalesced, frames.begin(), frames.end());
for (Image &image : coalesced) {
image.rotationalBlur(10);
image.magick(type);
blurred.push_back(image);
}
optimizeTransparency(blurred.begin(), blurred.end());
if (type == "gif") {
for (Image &image : blurred) {
image.quantizeDitherMethod(FloydSteinbergDitherMethod);
image.quantize();
}
coalesceImages(&coalesced, frames.begin(), frames.end());
}
for (Image &image : coalesced) {
image.rotationalBlur(10);
image.magick(type);
blurred.push_back(image);
}
writeImages(blurred.begin(), blurred.end(), &blob);
optimizeTransparency(blurred.begin(), blurred.end());
if (type == "gif") {
for (Image &image : blurred) {
image.quantizeDitherMethod(FloydSteinbergDitherMethod);
image.quantize();
}
}
writeImages(blurred.begin(), blurred.end(), &blob);
*DataSize = blob.length();
return (char*) blob.data();
*DataSize = blob.length();
// workaround because the data is tied to the blob
char *data = (char *)malloc(*DataSize);
memcpy(data, blob.data(), *DataSize);
return data;
}

9
natives/circle.h
View file

@ -1,10 +1,11 @@
#pragma once
#include <napi.h>
#include <string>
#include <any>
#include <map>
#include <string>
using std::string;
using std::any;
using std::map;
using std::string;
char* Circle(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
char* Circle(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

41
natives/colors.cc
View file

@ -1,8 +1,8 @@
#include <napi.h>
#include "common.h"
#include <vips/vips8>
#include <map>
#include <string>
#include <vips/vips8>
using namespace std;
using namespace vips;
@ -10,30 +10,31 @@ using namespace vips;
VImage sepia = VImage::new_matrixv(3, 3, 0.3588, 0.7044, 0.1368, 0.2990, 0.5870,
0.1140, 0.2392, 0.4696, 0.0912);
char* Colors(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
char *Colors(string type, char *BufferData, size_t BufferLength,
map<string, any> Arguments, size_t *DataSize) {
string color = Arguments["color"];
string color = MAP_GET(Arguments, "color", string);
VOption *options = VImage::option()->set("access", "sequential");
VOption *options = VImage::option()->set("access", "sequential");
VImage in =
VImage::new_from_buffer(BufferData, BufferLength, "",
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
VImage in =
VImage::new_from_buffer(BufferData, BufferLength, "",
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
VImage out;
VImage out;
if (color == "grayscale") {
out = in.colourspace(VIPS_INTERPRETATION_B_W);
} else if (color == "sepia") {
out = in.flatten().recomb(sepia);
}
if (color == "grayscale") {
out = in.colourspace(VIPS_INTERPRETATION_B_W);
} else if (color == "sepia") {
out = in.flatten().recomb(sepia);
}
void *buf;
out.write_to_buffer(("." + type).c_str(), &buf, DataSize);
void *buf;
out.write_to_buffer(("." + type).c_str(), &buf, DataSize);
vips_error_clear();
vips_thread_shutdown();
vips_error_clear();
vips_thread_shutdown();
return (char*) buf;
return (char *)buf;
}

5
natives/colors.h
View file

@ -1,10 +1,11 @@
#pragma once
#include <napi.h>
#include <any>
#include <map>
#include <string>
using std::any;
using std::map;
using std::string;
char* Colors(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
char* Colors(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

4
natives/common.h
View file

@ -1,10 +1,12 @@
#pragma once
#include <any>
#include <string>
#include <unordered_map>
#define MAP_HAS(ARRAY, KEY) (ARRAY.count(KEY) > 0)
#define MAP_GET(ARRAY, KEY) (MAP_HAS(ARRAY, KEY) ? ARRAY.at(KEY) : NULL) // C++ has forced my hand
#define MAP_GET(ARRAY, KEY, TYPE) (MAP_HAS(ARRAY, KEY) ? any_cast<TYPE>(ARRAY.at(KEY)) : NULL) // C++ has forced my hand
#define MAP_GET_FALLBACK(ARRAY, KEY, TYPE, FALLBACK) (MAP_HAS(ARRAY, KEY) ? any_cast<TYPE>(ARRAY.at(KEY)) : FALLBACK)
const std::unordered_map<std::string, std::string> fontPaths {
{"futura", "assets/fonts/caption.otf"},

71
natives/crop.cc
View file

@ -1,4 +1,4 @@
#include <napi.h>
#include "common.h"
#include <map>
#include <string>
#include <vips/vips8>
@ -6,47 +6,48 @@
using namespace std;
using namespace vips;
char* Crop(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
char *Crop(string type, char *BufferData, size_t BufferLength,
map<string, any> Arguments, size_t *DataSize) {
VOption *options = VImage::option()->set("access", "sequential");
VOption *options = VImage::option()->set("access", "sequential");
VImage in =
VImage in =
VImage::new_from_buffer(BufferData, BufferLength, "",
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
int width = in.width();
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());
int width = in.width();
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());
vector<VImage> img;
int finalHeight = 0;
for (int i = 0; i < nPages; i++) {
VImage img_frame =
type == "gif" ? in.crop(0, i * pageHeight, width, pageHeight) : in;
int frameWidth = img_frame.width();
int frameHeight = img_frame.height();
bool widthOrHeight = frameWidth / frameHeight >= 1;
int size = widthOrHeight ? frameHeight : frameWidth;
// img_frame.crop(frameWidth - size, frameHeight - size, size, size);
VImage result = img_frame.smartcrop(
size, size,
VImage::option()->set("interesting", VIPS_INTERESTING_CENTRE));
finalHeight = size;
img.push_back(result);
}
vector<VImage> img;
int finalHeight = 0;
for (int i = 0; i < nPages; i++) {
VImage img_frame =
type == "gif" ? in.crop(0, i * pageHeight, width, pageHeight) : in;
int frameWidth = img_frame.width();
int frameHeight = img_frame.height();
bool widthOrHeight = frameWidth / frameHeight >= 1;
int size = widthOrHeight ? frameHeight : frameWidth;
// img_frame.crop(frameWidth - size, frameHeight - size, size, size);
VImage result = img_frame.smartcrop(
size, size,
VImage::option()->set("interesting", VIPS_INTERESTING_CENTRE));
finalHeight = size;
img.push_back(result);
}
VImage final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
final.set(VIPS_META_PAGE_HEIGHT, finalHeight);
VImage final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
final.set(VIPS_META_PAGE_HEIGHT, finalHeight);
void *buf;
final.write_to_buffer(
("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
: 0);
void *buf;
final.write_to_buffer(
("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
: 0);
vips_error_clear();
vips_thread_shutdown();
vips_error_clear();
vips_thread_shutdown();
return (char*) buf;
return (char *)buf;
}

5
natives/crop.h
View file

@ -1,10 +1,11 @@
#pragma once
#include <napi.h>
#include <any>
#include <map>
#include <string>
using std::any;
using std::map;
using std::string;
char* Crop(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
char* Crop(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

87
natives/deepfry.cc
View file

@ -1,63 +1,64 @@
#include "common.h"
#include <map>
#include <vips/vips8>
using namespace std;
using namespace vips;
char* Deepfry(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
char *Deepfry(string type, char *BufferData, size_t BufferLength,
map<string, any> Arguments, size_t *DataSize) {
VOption *options = VImage::option()->set("access", "sequential");
VOption *options = VImage::option()->set("access", "sequential");
VImage in =
VImage in =
VImage::new_from_buffer(BufferData, BufferLength, "",
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
if (!in.has_alpha())
in = in.bandjoin(255);
if (!in.has_alpha())
in = in.bandjoin(255);
int width = in.width();
int pageHeight = vips_image_get_page_height(in.get_image());
int totalHeight = in.height();
int nPages = vips_image_get_n_pages(in.get_image());
int width = in.width();
int pageHeight = vips_image_get_page_height(in.get_image());
int totalHeight = in.height();
int nPages = vips_image_get_n_pages(in.get_image());
VImage fried = (in * 1.3 - (255.0 * 1.3 - 255.0)) * 1.5;
VImage fried = (in * 1.3 - (255.0 * 1.3 - 255.0)) * 1.5;
VImage final;
if (totalHeight > 65500 && type == "gif") {
vector<VImage> img;
for (int i = 0; i < nPages; i++) {
VImage img_frame = in.crop(0, i * pageHeight, width, pageHeight);
void *jpgBuf;
size_t jpgLength;
img_frame.write_to_buffer(
".jpg", &jpgBuf, &jpgLength,
VImage::option()->set("Q", 1)->set("strip", true));
VImage jpeged = VImage::new_from_buffer(jpgBuf, jpgLength, "");
jpeged.set(VIPS_META_PAGE_HEIGHT, pageHeight);
jpeged.set("delay", in.get_array_int("delay"));
img.push_back(jpeged);
}
final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
final.set(VIPS_META_PAGE_HEIGHT, pageHeight);
} else {
VImage final;
if (totalHeight > 65500 && type == "gif") {
vector<VImage> img;
for (int i = 0; i < nPages; i++) {
VImage img_frame = in.crop(0, i * pageHeight, width, pageHeight);
void *jpgBuf;
size_t jpgLength;
fried.write_to_buffer(".jpg", &jpgBuf, &jpgLength,
VImage::option()->set("Q", 1)->set("strip", true));
final = VImage::new_from_buffer(jpgBuf, jpgLength, "");
final.set(VIPS_META_PAGE_HEIGHT, pageHeight);
if (type == "gif")
final.set("delay", fried.get_array_int("delay"));
img_frame.write_to_buffer(
".jpg", &jpgBuf, &jpgLength,
VImage::option()->set("Q", 1)->set("strip", true));
VImage jpeged = VImage::new_from_buffer(jpgBuf, jpgLength, "");
jpeged.set(VIPS_META_PAGE_HEIGHT, pageHeight);
jpeged.set("delay", in.get_array_int("delay"));
img.push_back(jpeged);
}
final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
final.set(VIPS_META_PAGE_HEIGHT, pageHeight);
} else {
void *jpgBuf;
size_t jpgLength;
fried.write_to_buffer(".jpg", &jpgBuf, &jpgLength,
VImage::option()->set("Q", 1)->set("strip", true));
final = VImage::new_from_buffer(jpgBuf, jpgLength, "");
final.set(VIPS_META_PAGE_HEIGHT, pageHeight);
if (type == "gif")
final.set("delay", fried.get_array_int("delay"));
}
void *buf;
final.write_to_buffer(("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0)
: 0);
void *buf;
final.write_to_buffer(("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0) : 0);
vips_error_clear();
vips_thread_shutdown();
vips_error_clear();
vips_thread_shutdown();
return (char*) buf;
return (char *)buf;
}

5
natives/deepfry.h
View file

@ -1,10 +1,11 @@
#pragma once
#include <napi.h>
#include <any>
#include <map>
#include <string>
using std::any;
using std::map;
using std::string;
char* Deepfry(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
char* Deepfry(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

75
natives/explode.cc
View file

@ -2,52 +2,57 @@
#include <Magick++.h>
#include <cstring>
#include <iostream>
#include <string>
#include <map>
#include <list>
#include <map>
#include <string>
using namespace std;
using namespace Magick;
char* Explode(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
char *Explode(string type, char *BufferData, size_t BufferLength,
map<string, any> Arguments, size_t *DataSize) {
int amount = stoi(Arguments.at("amount"));
int delay = MAP_HAS(Arguments, "delay") ? stoi(Arguments.at("delay")) : 0;
int amount = MAP_GET(Arguments, "amount", int);
int delay = MAP_GET_FALLBACK(Arguments, "delay", int, 0);
Blob blob;
Blob blob;
list<Image> frames;
list<Image> coalesced;
list<Image> blurred;
try {
readImages(&frames, Blob(BufferData, BufferLength));
} catch (Magick::WarningCoder &warning) {
cerr << "Coder Warning: " << warning.what() << endl;
} catch (Magick::Warning &warning) {
cerr << "Warning: " << warning.what() << endl;
list<Image> frames;
list<Image> coalesced;
list<Image> blurred;
try {
readImages(&frames, Blob(BufferData, BufferLength));
} catch (Magick::WarningCoder &warning) {
cerr << "Coder Warning: " << warning.what() << endl;
} catch (Magick::Warning &warning) {
cerr << "Warning: " << warning.what() << endl;
}
coalesceImages(&coalesced, frames.begin(), frames.end());
for (Image &image : coalesced) {
image.implode(amount);
image.magick(type);
blurred.push_back(image);
}
optimizeTransparency(blurred.begin(), blurred.end());
if (type == "gif") {
for (Image &image : blurred) {
image.quantizeDither(false);
image.quantize();
if (delay != 0) image.animationDelay(delay);
}
coalesceImages(&coalesced, frames.begin(), frames.end());
}
for (Image &image : coalesced) {
image.implode(amount);
image.magick(type);
blurred.push_back(image);
}
writeImages(blurred.begin(), blurred.end(), &blob);
optimizeTransparency(blurred.begin(), blurred.end());
*DataSize = blob.length();
if (type == "gif") {
for (Image &image : blurred) {
image.quantizeDither(false);
image.quantize();
if (delay != 0) image.animationDelay(delay);
}
}
writeImages(blurred.begin(), blurred.end(), &blob);
*DataSize = blob.length();
return (char*) blob.data();
// workaround because the data is tied to the blob
char *data = (char *)malloc(*DataSize);
memcpy(data, blob.data(), *DataSize);
return data;
}

7
natives/explode.h
View file

@ -1,10 +1,11 @@
#pragma once
#include <napi.h>
#include <string>
#include <any>
#include <map>
#include <string>
using std::any;
using std::map;
using std::string;
char* Explode(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
char* Explode(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

89
natives/flag.cc
View file

@ -1,61 +1,64 @@
#include <napi.h>
#include "common.h"
#include <vips/vips8>
#include <string>
#include <map>
#include <string>
#include <vips/vips8>
using namespace std;
using namespace vips;
char* Flag(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
char *Flag(string type, char *BufferData, size_t BufferLength,
map<string, any> Arguments, size_t *DataSize) {
string overlay = Arguments["overlay"];
string basePath = Arguments["basePath"];
string overlay = MAP_GET(Arguments, "overlay", string);
string basePath = MAP_GET(Arguments, "basePath", string);
VOption *options = VImage::option()->set("access", "sequential");
VOption *options = VImage::option()->set("access", "sequential");
VImage in =
VImage in =
VImage::new_from_buffer(BufferData, BufferLength, "",
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
if (!in.has_alpha()) in = in.bandjoin(255);
if (!in.has_alpha())
in = in.bandjoin(255);
int width = in.width();
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());
int width = in.width();
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());
string assetPath = basePath + overlay;
VImage overlayInput = VImage::new_from_file(assetPath.c_str());
VImage overlayImage = overlayInput.resize(
(double)width / (double)overlayInput.width(),
VImage::option()->set(
"vscale", (double)pageHeight / (double)overlayInput.height()));
if (!overlayImage.has_alpha()) {
overlayImage = overlayImage.bandjoin(127);
} else {
// this is a pretty cool line, just saying
overlayImage = overlayImage * vector<double>{1, 1, 1, 0.5};
}
string assetPath = basePath + overlay;
VImage overlayInput = VImage::new_from_file(assetPath.c_str());
VImage overlayImage = overlayInput.resize(
(double)width / (double)overlayInput.width(),
VImage::option()->set("vscale", (double)pageHeight /
(double)overlayInput.height()));
if (!overlayImage.has_alpha()) {
overlayImage = overlayImage.bandjoin(127);
} else {
// this is a pretty cool line, just saying
overlayImage = overlayImage * vector<double>{1, 1, 1, 0.5};
}
vector<VImage> img;
for (int i = 0; i < nPages; i++) {
VImage img_frame =
type == "gif" ? in.crop(0, i * pageHeight, width, pageHeight) : in;
VImage composited =
img_frame.composite2(overlayImage, VIPS_BLEND_MODE_OVER);
img.push_back(composited);
}
vector<VImage> img;
for (int i = 0; i < nPages; i++) {
VImage img_frame =
type == "gif" ? in.crop(0, i * pageHeight, width, pageHeight) : in;
VImage composited =
img_frame.composite2(overlayImage, VIPS_BLEND_MODE_OVER);
img.push_back(composited);
}
VImage final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
final.set(VIPS_META_PAGE_HEIGHT, pageHeight);
VImage final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
final.set(VIPS_META_PAGE_HEIGHT, pageHeight);
void *buf;
final.write_to_buffer(
("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1) : 0);
void *buf;
final.write_to_buffer(
("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
: 0);
vips_error_clear();
vips_thread_shutdown();
return (char*) buf;
vips_error_clear();
vips_thread_shutdown();
return (char *)buf;
}

5
natives/flag.h
View file

@ -1,10 +1,11 @@
#pragma once
#include <napi.h>
#include <any>
#include <map>
#include <string>
using std::any;
using std::map;
using std::string;
char* Flag(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
char* Flag(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

70
natives/flip.cc
View file

@ -7,44 +7,46 @@
using namespace std;
using namespace vips;
char* Flip(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
char *Flip(string type, char *BufferData, size_t BufferLength,
map<string, any> Arguments, size_t *DataSize) {
bool flop = MAP_GET(Arguments, "flop") == "true";
bool flop = MAP_GET(Arguments, "flop", bool);
VOption *options = VImage::option()->set("access", "sequential");
VImage in = VImage::new_from_buffer(BufferData, BufferLength, "",
type == "gif"
? VImage::option()->set("n", -1)->set(
"access", "sequential")
: 0)
.colourspace(VIPS_INTERPRETATION_sRGB);
if (!in.has_alpha())
in = in.bandjoin(255);
VImage in =
VImage::new_from_buffer(BufferData, BufferLength, "",
type == "gif" ? VImage::option()->set("n", -1)->set("access", "sequential") : 0)
.colourspace(VIPS_INTERPRETATION_sRGB);
if (!in.has_alpha()) in = in.bandjoin(255);
VImage out;
if (flop) {
out = in.flip(VIPS_DIRECTION_HORIZONTAL);
} else if (type == "gif") {
// libvips gif handling is both a blessing and a curse
vector<VImage> img;
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());
for (int i = 0; i < nPages; i++) {
VImage img_frame = in.crop(0, i * pageHeight, in.width(), pageHeight);
VImage flipped = img_frame.flip(VIPS_DIRECTION_VERTICAL);
img.push_back(flipped);
}
out = VImage::arrayjoin(img, VImage::option()->set("across", 1));
out.set(VIPS_META_PAGE_HEIGHT, pageHeight);
} else {
out = in.flip(VIPS_DIRECTION_VERTICAL);
VImage out;
if (flop) {
out = in.flip(VIPS_DIRECTION_HORIZONTAL);
} else if (type == "gif") {
// libvips gif handling is both a blessing and a curse
vector<VImage> img;
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());
for (int i = 0; i < nPages; i++) {
VImage img_frame = in.crop(0, i * pageHeight, in.width(), pageHeight);
VImage flipped = img_frame.flip(VIPS_DIRECTION_VERTICAL);
img.push_back(flipped);
}
out = VImage::arrayjoin(img, VImage::option()->set("across", 1));
out.set(VIPS_META_PAGE_HEIGHT, pageHeight);
} else {
out = in.flip(VIPS_DIRECTION_VERTICAL);
}
void* buf;
out.write_to_buffer(
("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
: 0);
void *buf;
out.write_to_buffer(
("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
: 0);
vips_error_clear();
vips_thread_shutdown();
return (char*) buf;
vips_error_clear();
vips_thread_shutdown();
return (char *)buf;
}

5
natives/flip.h
View file

@ -1,10 +1,11 @@
#pragma once
#include <napi.h>
#include <any>
#include <map>
#include <string>
using std::any;
using std::map;
using std::string;
char* Flip(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
char* Flip(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

9
natives/freeze.cc
View file

@ -51,11 +51,12 @@ Napi::Value Freeze(const Napi::CallbackInfo &info) {
} else if (frame >= 0 && !loop) {
VOption *options = VImage::option()->set("access", "sequential");
VImage in = VImage::new_from_buffer(
data.Data(), data.Length(), "",
type == "gif" ? options->set("n", -1) : options)
VImage in = VImage::new_from_buffer(data.Data(), data.Length(), "",
type == "gif" ? options->set("n", -1)
: options)
.colourspace(VIPS_INTERPRETATION_sRGB);
if (!in.has_alpha()) in = in.bandjoin(255);
if (!in.has_alpha())
in = in.bandjoin(255);
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());

6
natives/gamexplain.cc
View file

@ -21,7 +21,8 @@ Napi::Value Gamexplain(const Napi::CallbackInfo &info) {
VImage::new_from_buffer(data.Data(), data.Length(), "",
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
if (!in.has_alpha()) in = in.bandjoin(255);
if (!in.has_alpha())
in = in.bandjoin(255);
string assetPath = basePath + "assets/images/gamexplain.png";
VImage tmpl = VImage::new_from_file(assetPath.c_str());
@ -50,7 +51,8 @@ Napi::Value Gamexplain(const Napi::CallbackInfo &info) {
size_t length;
final.write_to_buffer(
("." + type).c_str(), &buf, &length,
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1) : 0);
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
: 0);
result.Set("data", Napi::Buffer<char>::Copy(env, (char *)buf, length));
result.Set("type", type);

3
natives/globe.cc
View file

@ -23,7 +23,8 @@ Napi::Value Globe(const Napi::CallbackInfo &info) {
type == "gif" ? options->set("n", -1)->set("access", "sequential")
: options)
.colourspace(VIPS_INTERPRETATION_sRGB);
if (!in.has_alpha()) in = in.bandjoin(255);
if (!in.has_alpha())
in = in.bandjoin(255);
int width = in.width();
int pageHeight = vips_image_get_page_height(in.get_image());

57
natives/image.cc
View file

@ -3,6 +3,8 @@
#include <napi.h>
#include <map>
#include <string>
#include <iostream>
#include <any>
#include "blur.h"
#include "colors.h"
@ -42,7 +44,6 @@
#include "watermark.h"
#include "whisper.h"
#include "zamn.h"
#include <iostream>
#ifdef _WIN32
#include <Magick++.h>
@ -51,10 +52,10 @@
using namespace std;
std::map<std::string, char* (*)(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize)> FunctionMap = {
std::map<std::string, char* (*)(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize)> FunctionMap = {
{"blur", &Blur},
{"caption", &Caption},
{"caption2", &CaptionTwo},
{"blur", &Blur},
{"captionTwo", &CaptionTwo},
{"circle", &Circle},
{"colors", &Colors},
{"crop", &Crop},
@ -62,8 +63,8 @@ std::map<std::string, char* (*)(string type, char* BufferData, size_t BufferLeng
{"explode", &Explode},
{"flag", &Flag},
{"flip", &Flip},
{"watermark", &Watermark},
{"uncaption", &Uncaption}
{"uncaption", &Uncaption},
{"watermark", &Watermark}
};
std::map<std::string, Napi::Value (*)(const Napi::CallbackInfo &info)> OldFunctionMap = {
@ -94,6 +95,17 @@ std::map<std::string, Napi::Value (*)(const Napi::CallbackInfo &info)> OldFuncti
{"zamn", Zamn}
};
bool isNapiValueInt(Napi::Env& env, Napi::Value& num) {
return env.Global()
.Get("Number")
.ToObject()
.Get("isInteger")
.As<Napi::Function>()
.Call({num})
.ToBoolean()
.Value();
}
Napi::Value NewProcessImage(const Napi::CallbackInfo &info) {
Napi::Env env = info.Env();
Napi::Object result = Napi::Object::New(env);
@ -106,7 +118,7 @@ Napi::Value NewProcessImage(const Napi::CallbackInfo &info) {
Napi::Array properties = obj.GetPropertyNames();
std::map<string, string> Arguments;
std::map<string, any> Arguments;
for (unsigned int i = 0; i < properties.Length(); i++) {
string property = properties.Get(uint32_t(i)).As<Napi::String>().Utf8Value();
@ -115,7 +127,21 @@ Napi::Value NewProcessImage(const Napi::CallbackInfo &info) {
continue;
}
Arguments[property] = obj.Get(property).ToString().As<Napi::String>().Utf8Value();
auto val = obj.Get(property);
if (val.IsBoolean()) {
Arguments[property] = val.ToBoolean().Value();
} else if (val.IsString()) {
Arguments[property] = val.ToString().As<Napi::String>().Utf8Value();
} else if (val.IsNumber()) {
auto num = val.ToNumber();
if (isNapiValueInt(env, num)) {
Arguments[property] = num.Int32Value();
} else {
Arguments[property] = num.FloatValue();
}
} else {
Arguments[property] = val;
}
}
size_t length = 0;
@ -159,6 +185,21 @@ Napi::Object Init(Napi::Env env, Napi::Object exports){
vips_error_exit(NULL);
exports.Set(Napi::String::New(env, "image"), Napi::Function::New(env, ProcessImage)); // new function handler
Napi::Array arr = Napi::Array::New(env);
size_t i = 0;
for (auto const& imap: FunctionMap) {
Napi::HandleScope scope(env);
arr[i] = Napi::String::New(env, imap.first);
i++;
}
for(auto const& imap: OldFunctionMap) {
Napi::HandleScope scope(env);
arr[i] = Napi::String::New(env, imap.first);
i++;
}
exports.Set(Napi::String::New(env, "funcs"), arr);
return exports;
}

77
natives/uncaption.cc
View file

@ -1,56 +1,57 @@
#include "common.h"
#include <vips/vips8>
#include <map>
#include <vips/vips8>
using namespace std;
using namespace vips;
char* Uncaption(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
char *Uncaption(string type, char *BufferData, size_t BufferLength,
map<string, any> Arguments, size_t *DataSize) {
float tolerance = MAP_HAS(Arguments, "tolerance")
? stof(Arguments["tolerance"])
: 0.5;
float tolerance = MAP_GET_FALLBACK(Arguments, "tolerance", float, 0.5);
VOption *options = VImage::option();
VOption *options = VImage::option();
VImage in =
VImage::new_from_buffer(BufferData, BufferLength, "",
type == "gif" ? options->set("n", -1)->set("access", "sequential") : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
if (!in.has_alpha()) in = in.bandjoin(255);
VImage in =
VImage::new_from_buffer(
BufferData, BufferLength, "",
type == "gif" ? options->set("n", -1)->set("access", "sequential")
: options)
.colourspace(VIPS_INTERPRETATION_sRGB);
if (!in.has_alpha())
in = in.bandjoin(255);
int width = in.width();
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());
int width = in.width();
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());
VImage first =
in.crop(0, 0, 3, pageHeight).colourspace(VIPS_INTERPRETATION_B_W) >
(255 * tolerance);
int top, captionWidth, captionHeight;
first.find_trim(&top, &captionWidth, &captionHeight);
VImage first =
in.crop(0, 0, 3, pageHeight).colourspace(VIPS_INTERPRETATION_B_W) >
(255 * tolerance);
int top, captionWidth, captionHeight;
first.find_trim(&top, &captionWidth, &captionHeight);
vector<VImage> img;
int newHeight = pageHeight - top;
if (top == pageHeight) {
newHeight = pageHeight;
top = 0;
}
for (int i = 0; i < nPages; i++) {
VImage img_frame =
in.crop(0, (i * pageHeight) + top, width, newHeight);
img.push_back(img_frame);
}
VImage final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
final.set(VIPS_META_PAGE_HEIGHT, newHeight);
void *buf;
final.write_to_buffer(
("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1) : 0);
vector<VImage> img;
int newHeight = pageHeight - top;
if (top == pageHeight) {
newHeight = pageHeight;
top = 0;
}
for (int i = 0; i < nPages; i++) {
VImage img_frame = in.crop(0, (i * pageHeight) + top, width, newHeight);
img.push_back(img_frame);
}
VImage final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
final.set(VIPS_META_PAGE_HEIGHT, newHeight);
void *buf;
final.write_to_buffer(
("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
: 0);
vips_error_clear();
vips_thread_shutdown();
return (char*) buf;
return (char *)buf;
}

8
natives/uncaption.h
View file

@ -1,5 +1,11 @@
#pragma once
#include <any>
#include <map>
#include <string>
char* Uncaption(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
using std::any;
using std::map;
using std::string;
char* Uncaption(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

257
natives/watermark.cc
View file

@ -1,154 +1,157 @@
#include "common.h"
#include <vips/vips8>
#include <map>
#include <vips/vips8>
using namespace std;
using namespace vips;
char* Watermark(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
char *Watermark(string type, char *BufferData, size_t BufferLength,
map<string, any> Arguments, size_t *DataSize) {
string water = Arguments["water"];
int gravity = stoi(Arguments["gravity"]);
string water = MAP_GET(Arguments, "water", string);
int gravity = MAP_GET(Arguments, "gravity", int);
bool resize = MAP_HAS(Arguments, "resize") ? Arguments["resize"] == "true" : false;;
float yscale = MAP_HAS(Arguments, "yscale") ? stof(Arguments["yscale"]) : false;
bool resize = MAP_GET_FALLBACK(Arguments, "resize", bool, false);
;
float yscale = MAP_GET_FALLBACK(Arguments, "yscale", float, false);
bool append = MAP_HAS(Arguments, "append") ? Arguments["append"] == "true" : false;
bool append = MAP_GET_FALLBACK(Arguments, "append", bool, false);
bool alpha = MAP_HAS(Arguments, "alpha") ? Arguments["alpha"] == "true" : false;
bool flip = MAP_HAS(Arguments, "flip") ? Arguments["flip"] == "true" : false;
bool mc = MAP_HAS(Arguments, "mc");
bool alpha = MAP_GET_FALLBACK(Arguments, "alpha", bool, false);
bool flip = MAP_GET_FALLBACK(Arguments, "flip", bool, false);
string basePath = Arguments["basePath"];
bool mc = MAP_HAS(Arguments, "mc");
VOption *options = VImage::option()->set("access", "sequential");
string basePath = MAP_GET(Arguments, "basePath", string);
VImage in =
VImage::new_from_buffer(BufferData, BufferLength, "",
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
if (!in.has_alpha()) in = in.bandjoin(255);
VOption *options = VImage::option()->set("access", "sequential");
string merged = basePath + water;
VImage watermark = VImage::new_from_file(merged.c_str());
VImage in =
VImage::new_from_buffer(BufferData, BufferLength, "",
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
if (!in.has_alpha())
in = in.bandjoin(255);
int width = in.width();
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());
string merged = basePath + water;
VImage watermark = VImage::new_from_file(merged.c_str());
if (flip) {
watermark = watermark.flip(VIPS_DIRECTION_HORIZONTAL);
}
int width = in.width();
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());
if (resize && append) {
watermark = watermark.resize((double)width / (double)watermark.width());
} else if (resize && yscale) {
watermark = watermark.resize(
(double)width / (double)watermark.width(),
VImage::option()->set("vscale", (double)(pageHeight * yscale) /
(double)watermark.height()));
} else if (resize) {
watermark =
watermark.resize((double)pageHeight / (double)watermark.height());
}
if (flip) {
watermark = watermark.flip(VIPS_DIRECTION_HORIZONTAL);
}
int x = 0, y = 0;
switch (gravity) {
case 1:
break;
case 2:
x = (width / 2) - (watermark.width() / 2);
break;
case 3:
x = width - watermark.width();
break;
case 5:
x = (width / 2) - (watermark.width() / 2);
y = (pageHeight / 2) - (watermark.height() / 2);
break;
case 6:
x = width - watermark.width();
y = (pageHeight / 2) - (watermark.height() / 2);
break;
case 8:
x = (width / 2) - (watermark.width() / 2);
y = pageHeight - watermark.height();
break;
case 9:
x = width - watermark.width();
y = pageHeight - watermark.height();
break;
}
if (resize && append) {
watermark = watermark.resize((double)width / (double)watermark.width());
} else if (resize && yscale) {
watermark = watermark.resize(
(double)width / (double)watermark.width(),
VImage::option()->set("vscale", (double)(pageHeight * yscale) /
(double)watermark.height()));
} else if (resize) {
watermark =
watermark.resize((double)pageHeight / (double)watermark.height());
}
vector<VImage> img;
int addedHeight = 0;
VImage contentAlpha;
VImage frameAlpha;
VImage bg;
VImage frame;
for (int i = 0; i < nPages; i++) {
VImage img_frame =
type == "gif" ? in.crop(0, i * pageHeight, width, pageHeight) : in;
if (append) {
VImage appended = img_frame.join(watermark, VIPS_DIRECTION_VERTICAL,
VImage::option()->set("expand", true));
addedHeight = watermark.height();
img.push_back(appended);
} else if (mc) {
VImage padded =
img_frame.embed(0, 0, width, pageHeight + 15,
VImage::option()->set("background", 0xffffff));
VImage composited =
padded.composite2(watermark, VIPS_BLEND_MODE_OVER,
VImage::option()
->set("x", width - 190)
->set("y", padded.height() - 22));
addedHeight = 15;
img.push_back(composited);
} else {
VImage composited;
if (alpha) {
if (i == 0) {
contentAlpha = watermark.extract_band(0).embed(
x, y, width, pageHeight,
VImage::option()->set("extend", "white"));
frameAlpha = watermark.extract_band(1).embed(
x, y, width, pageHeight,
VImage::option()->set("extend", "black"));
bg =
frameAlpha.new_from_image({0, 0, 0}).copy(VImage::option()->set(
"interpretation", VIPS_INTERPRETATION_sRGB));
frame = bg.bandjoin(frameAlpha);
if (type == "jpg" || type == "jpeg") {
type = "png";
}
int x = 0, y = 0;
switch (gravity) {
case 1:
break;
case 2:
x = (width / 2) - (watermark.width() / 2);
break;
case 3:
x = width - watermark.width();
break;
case 5:
x = (width / 2) - (watermark.width() / 2);
y = (pageHeight / 2) - (watermark.height() / 2);
break;
case 6:
x = width - watermark.width();
y = (pageHeight / 2) - (watermark.height() / 2);
break;
case 8:
x = (width / 2) - (watermark.width() / 2);
y = pageHeight - watermark.height();
break;
case 9:
x = width - watermark.width();
y = pageHeight - watermark.height();
break;
}
vector<VImage> img;
int addedHeight = 0;
VImage contentAlpha;
VImage frameAlpha;
VImage bg;
VImage frame;
for (int i = 0; i < nPages; i++) {
VImage img_frame =
type == "gif" ? in.crop(0, i * pageHeight, width, pageHeight) : in;
if (append) {
VImage appended = img_frame.join(watermark, VIPS_DIRECTION_VERTICAL,
VImage::option()->set("expand", true));
addedHeight = watermark.height();
img.push_back(appended);
} else if (mc) {
VImage padded =
img_frame.embed(0, 0, width, pageHeight + 15,
VImage::option()->set("background", 0xffffff));
VImage composited =
padded.composite2(watermark, VIPS_BLEND_MODE_OVER,
VImage::option()
->set("x", width - 190)
->set("y", padded.height() - 22));
addedHeight = 15;
img.push_back(composited);
} else {
VImage composited;
if (alpha) {
if (i == 0) {
contentAlpha = watermark.extract_band(0).embed(
x, y, width, pageHeight,
VImage::option()->set("extend", "white"));
frameAlpha = watermark.extract_band(1).embed(
x, y, width, pageHeight,
VImage::option()->set("extend", "black"));
bg = frameAlpha.new_from_image({0, 0, 0}).copy(VImage::option()->set(
"interpretation", VIPS_INTERPRETATION_sRGB));
frame = bg.bandjoin(frameAlpha);
if (type == "jpg" || type == "jpeg") {
type = "png";
}
VImage content =
img_frame.extract_band(0, VImage::option()->set("n", 3))
.bandjoin(contentAlpha & img_frame.extract_band(3));
composited =
content.composite2(frame, VIPS_BLEND_MODE_OVER,
VImage::option()->set("x", x)->set("y", y));
} else {
composited =
img_frame.composite2(watermark, VIPS_BLEND_MODE_OVER,
VImage::option()->set("x", x)->set("y", y));
}
img.push_back(composited);
}
}
VImage final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
final.set(VIPS_META_PAGE_HEIGHT, pageHeight + addedHeight);
VImage content =
img_frame.extract_band(0, VImage::option()->set("n", 3))
.bandjoin(contentAlpha & img_frame.extract_band(3));
void *buf;
final.write_to_buffer(
("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1) : 0);
composited =
content.composite2(frame, VIPS_BLEND_MODE_OVER,
VImage::option()->set("x", x)->set("y", y));
} else {
composited =
img_frame.composite2(watermark, VIPS_BLEND_MODE_OVER,
VImage::option()->set("x", x)->set("y", y));
}
img.push_back(composited);
}
}
VImage final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
final.set(VIPS_META_PAGE_HEIGHT, pageHeight + addedHeight);
void *buf;
final.write_to_buffer(
("." + type).c_str(), &buf, DataSize,
type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
: 0);
vips_error_clear();
vips_thread_shutdown();
return (char*) buf;
return (char *)buf;
}

10
natives/watermark.h
View file

@ -1,5 +1,11 @@
#pragma once
#include <napi.h>
#include <any>
#include <map>
#include <string>
char* Watermark(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
using std::any;
using std::map;
using std::string;
char* Watermark(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);