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Port caption2, start blur/colors ports

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Essem 2022-02-22 19:43:22 -06:00
parent 50ef9e51be
commit 8b59e70fe5
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GPG key ID: 7D497397CC3A2A8C
5 changed files with 129 additions and 147 deletions
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2
commands/image-editing/caption2.js
View file

@ -6,7 +6,7 @@ class CaptionTwoCommand extends ImageCommand {
params(url) {
const newArgs = this.type === "classic" ? this.args.filter(item => !item.includes(url)).join(" ") : this.options.text;
return {
caption: newArgs && newArgs.trim() ? newArgs.replaceAll("&", "\\&amp;").replaceAll(">", "\\&gt;").replaceAll("<", "\\&lt;").replaceAll("\"", "\\&quot;").replaceAll("'", "\\&apos;").replaceAll("%", "\\%") : words.sort(() => 0.5 - Math.random()).slice(0, Math.floor(Math.random() * words.length + 1)).join(" "),
caption: newArgs && newArgs.trim() ? newArgs.replaceAll("&", "&amp;").replaceAll(">", "&gt;").replaceAll("<", "&lt;").replaceAll("\"", "&quot;").replaceAll("'", "&apos;").replaceAll("%", "%") : words.sort(() => 0.5 - Math.random()).slice(0, Math.floor(Math.random() * words.length + 1)).join(" "),
top: !!this.specialArgs.top,
font: this.specialArgs.font && allowedFonts.includes(this.specialArgs.font.toLowerCase()) ? this.specialArgs.font.toLowerCase() : "helvetica"
};

49
natives/blur.cc
View file

@ -1,11 +1,11 @@
#include <Magick++.h>
#include <napi.h>
#include <iostream>
#include <list>
#include <vips/vips8>
using namespace std;
using namespace Magick;
using namespace vips;
Napi::Value Blur(const Napi::CallbackInfo &info) {
Napi::Env env = info.Env();
@ -18,42 +18,29 @@ Napi::Value Blur(const Napi::CallbackInfo &info) {
int delay =
obj.Has("delay") ? obj.Get("delay").As<Napi::Number>().Int32Value() : 0;
Blob blob;
VOption *options = VImage::option()->set("access", "sequential");
list<Image> frames;
list<Image> coalesced;
try {
readImages(&frames, Blob(data.Data(), data.Length()));
} 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());
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 (sharp) {
for_each(coalesced.begin(), coalesced.end(), sharpenImage(0, 3));
} else {
for_each(coalesced.begin(), coalesced.end(), blurImage(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);
for_each(coalesced.begin(), coalesced.end(), magickImage(type));
if (delay) out.set("delay", delay);
optimizeTransparency(coalesced.begin(), coalesced.end());
void *buf;
size_t length;
out.write_to_buffer(("." + type).c_str(), &buf, &length);
if (type == "gif") {
for (Image &image : coalesced) {
image.quantizeDitherMethod(FloydSteinbergDitherMethod);
image.quantize();
if (delay != 0) image.animationDelay(delay);
}
}
writeImages(coalesced.begin(), coalesced.end(), &blob);
vips_thread_shutdown();
Napi::Object result = Napi::Object::New(env);
result.Set("data", Napi::Buffer<char>::Copy(env, (char *)blob.data(),
blob.length()));
result.Set("data", Napi::Buffer<char>::Copy(env, (char *)buf, length));
result.Set("type", type);
return result;
} catch (std::exception const &err) {

52
natives/caption.cc
View file

@ -1,6 +1,7 @@
#include <napi.h>
#include <iostream>
#include <vips/vips8>
#include <napi.h>
using namespace std;
using namespace vips;
@ -20,12 +21,13 @@ Napi::Value Caption(const Napi::CallbackInfo &info) {
int delay =
obj.Has("delay") ? obj.Get("delay").As<Napi::Number>().Int32Value() : 0;
VImage in = VImage::new_from_buffer(data.Data(), data.Length(), "", VImage::option()
->set("n", -1)
->set("access", "sequential"))
VOption *options = VImage::option()->set("access", "sequential");
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 width = in.width();
int size = width / 10;
@ -33,13 +35,11 @@ Napi::Value Caption(const Napi::CallbackInfo &info) {
int n_pages = vips_image_get_n_pages(in.get_image());
int textWidth = width - ((width / 25) * 2);
//char font_string[12 + sizeof(size)];
//sprintf(font_string, "futura bold %d", size);
string font_string = (font == "roboto" ? "Roboto Condensed" : font) + " " +
(font != "impact" ? "bold" : "normal") + " " +
to_string(size);
string font_string = (font == "roboto" ? "Roboto Condensed" : font) + " " + (font != "impact" ? "bold" : "normal") + " " + to_string(size);
string captionText =
"<span background=\"white\">" + caption + "</span>";
string captionText = "<span background=\"white\">" + caption + "</span>";
VImage text =
VImage::text(captionText.c_str(), VImage::option()
@ -47,35 +47,35 @@ Napi::Value Caption(const Napi::CallbackInfo &info) {
->set("align", VIPS_ALIGN_CENTRE)
->set("font", font_string.c_str())
->set("width", textWidth));
VImage captionImage = ((text == (vector<double>) {0, 0, 0, 0}).bandand())
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"));
.gravity(VIPS_COMPASS_DIRECTION_CENTRE, width, text.height() + size,
VImage::option()->set("extend", "white"));
vector<VImage> img;
for (int i = 0; i < n_pages; i++) {
VImage img_frame = type == "gif" ? in.crop(0, i * page_height, width, page_height) : in;
VImage frame = captionImage.join(img_frame,
VIPS_DIRECTION_VERTICAL, VImage::option()
->set("background", 0xffffff)
->set("expand", true));
VImage img_frame =
type == "gif" ? in.crop(0, i * page_height, width, page_height) : 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, page_height + captionImage.height());
if (delay) final.set("delay", delay);
void *buf;
size_t length;
final.write_to_buffer(("." + type).c_str(), &buf, &length, VImage::option()
->set("dither", 0));
final.write_to_buffer(
("." + type).c_str(), &buf, &length,
type == "gif" ? VImage::option()->set("dither", 0) : 0);
//vips_shutdown();
vips_thread_shutdown();
Napi::Object result = Napi::Object::New(env);
result.Set("data", Napi::Buffer<char>::New(env, (char *)buf,
length));
result.Set("data", Napi::Buffer<char>::New(env, (char *)buf, length));
result.Set("type", type);
return result;
} catch (std::exception const &err) {

107
natives/caption2.cc
View file

@ -1,11 +1,11 @@
#include <Magick++.h>
#include <napi.h>
#include <iostream>
#include <list>
#include <vips/vips8>
using namespace std;
using namespace Magick;
using namespace vips;
Napi::Value CaptionTwo(const Napi::CallbackInfo &info) {
Napi::Env env = info.Env();
@ -20,67 +20,60 @@ Napi::Value CaptionTwo(const Napi::CallbackInfo &info) {
int delay =
obj.Has("delay") ? obj.Get("delay").As<Napi::Number>().Int32Value() : 0;
Blob blob;
VOption *options = VImage::option()->set("access", "sequential");
list<Image> frames;
list<Image> coalesced;
list<Image> captioned;
Blob caption_blob;
try {
readImages(&frames, Blob(data.Data(), data.Length()));
} catch (Magick::WarningCoder &warning) {
cerr << "Coder Warning: " << warning.what() << endl;
} catch (Magick::Warning &warning) {
cerr << "Warning: " << warning.what() << endl;
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);
int width = in.width();
int size = width / 13;
int page_height = vips_image_get_page_height(in.get_image());
int n_pages = vips_image_get_n_pages(in.get_image());
int textWidth = width - ((width / 25) * 2);
string font_string =
(font == "roboto" ? "Roboto Condensed" : font) + " " + to_string(size);
string captionText = "<span background=\"white\">" + caption + "</span>";
VImage text =
VImage::text(captionText.c_str(), VImage::option()
->set("rgba", true)
->set("font", font_string.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 < n_pages; i++) {
VImage img_frame =
type == "gif" ? in.crop(0, i * page_height, width, page_height) : in;
VImage frame = img_frame.join(
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, page_height + captionImage.height());
if (delay) final.set("delay", delay);
size_t width = frames.front().baseColumns();
string query(to_string(width - ((width / 25) * 2)) + "x");
Image caption_image(Geometry(query), Color("white"));
caption_image.fillColor("black");
caption_image.font("Helvetica Neue");
caption_image.fontPointsize(width / 17);
caption_image.read("pango:<span font_family=\"" +
(font == "roboto" ? "Roboto Condensed" : font) +
"\">" + caption + "</span>");
caption_image.extent(Geometry(width, caption_image.rows() + (width / 25)),
Magick::CenterGravity);
void *buf;
size_t length;
final.write_to_buffer(
("." + type).c_str(), &buf, &length,
type == "gif" ? VImage::option()->set("dither", 0) : 0);
coalesceImages(&coalesced, frames.begin(), frames.end());
for (Image &image : coalesced) {
Image appended;
list<Image> images;
image.backgroundColor("white");
if (top) {
images.push_back(caption_image);
images.push_back(image);
} else {
images.push_back(image);
images.push_back(caption_image);
}
appendImages(&appended, images.begin(), images.end(), true);
appended.repage();
appended.magick(type);
appended.animationDelay(delay == 0 ? image.animationDelay() : delay);
appended.gifDisposeMethod(Magick::BackgroundDispose);
captioned.push_back(appended);
}
optimizeTransparency(captioned.begin(), captioned.end());
if (type == "gif") {
for (Image &image : captioned) {
image.quantizeDither(false);
image.quantize();
}
}
writeImages(captioned.begin(), captioned.end(), &blob);
vips_thread_shutdown();
Napi::Object result = Napi::Object::New(env);
result.Set("data", Napi::Buffer<char>::Copy(env, (char *)blob.data(),
blob.length()));
result.Set("data", Napi::Buffer<char>::Copy(env, (char *)buf, length));
result.Set("type", type);
return result;
} catch (std::exception const &err) {

52
natives/colors.cc
View file

@ -1,11 +1,14 @@
#include <Magick++.h>
#include <napi.h>
#include <iostream>
#include <list>
#include <vips/vips8>
using namespace std;
using namespace Magick;
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);
Napi::Value Colors(const Napi::CallbackInfo &info) {
Napi::Env env = info.Env();
@ -20,21 +23,24 @@ Napi::Value Colors(const Napi::CallbackInfo &info) {
int delay =
obj.Has("delay") ? obj.Get("delay").As<Napi::Number>().Int32Value() : 0;
Blob blob;
VOption *options = VImage::option()->set("access", "sequential");
list<Image> frames;
list<Image> coalesced;
list<Image> colored;
try {
readImages(&frames, Blob(data.Data(), data.Length()));
} catch (Magick::WarningCoder &warning) {
cerr << "Coder Warning: " << warning.what() << endl;
} catch (Magick::Warning &warning) {
cerr << "Warning: " << warning.what() << endl;
VImage in =
VImage::new_from_buffer(data.Data(), data.Length(), "",
type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
VImage out;
if (color == "blurple") {
out = in;
} else if (color == "grayscale") {
out = in.colourspace(VIPS_INTERPRETATION_B_W);
} else if (color == "sepia") {
out = in.flatten().recomb(sepia);
}
coalesceImages(&coalesced, frames.begin(), frames.end());
for (Image &image : coalesced) {
/*for (Image &image : coalesced) {
if (color == "blurple") {
image.threshold(49151.25);
image.levelColors(old ? "#7289DA" : "#5865F2", "white");
@ -47,22 +53,18 @@ Napi::Value Colors(const Napi::CallbackInfo &info) {
image.magick(type);
image.animationDelay(delay == 0 ? image.animationDelay() : delay);
colored.push_back(image);
}
}*/
optimizeTransparency(colored.begin(), colored.end());
if (delay) out.set("delay", delay);
if (type == "gif") {
for (Image &image : colored) {
image.quantizeDitherMethod(FloydSteinbergDitherMethod);
image.quantize();
}
}
void *buf;
size_t length;
out.write_to_buffer(("." + type).c_str(), &buf, &length);
writeImages(colored.begin(), colored.end(), &blob);
vips_thread_shutdown();
Napi::Object result = Napi::Object::New(env);
result.Set("data", Napi::Buffer<char>::Copy(env, (char *)blob.data(),
blob.length()));
result.Set("data", Napi::Buffer<char>::Copy(env, (char *)buf, length));
result.Set("type", type);
return result;
} catch (std::exception const &err) {