Fix deepfry/jpeg delay, port speed
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parent
38233af2d7
commit
05795313c4
3 changed files with 45 additions and 58 deletions
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@ -32,7 +32,11 @@ Napi::Value Deepfry(const Napi::CallbackInfo &info) {
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VImage::option()->set("Q", 1)->set("strip", true));
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VImage final = VImage::new_from_buffer(jpgBuf, jpgLength, "");
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final.set(VIPS_META_PAGE_HEIGHT, page_height);
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if (delay) final.set("delay", delay);
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if (delay) {
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final.set("delay", delay);
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} else if (type == "gif") {
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final.set("delay", fried.get_array_int("delay"));
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}
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void *buf;
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size_t length;
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@ -37,7 +37,11 @@ Napi::Value Jpeg(const Napi::CallbackInfo &info) {
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VImage::option()->set("Q", quality)->set("strip", true));
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VImage final = VImage::new_from_buffer(jpgBuf, jpgLength, "");
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final.set(VIPS_META_PAGE_HEIGHT, page_height);
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if (delay) final.set("delay", delay);
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if (delay) {
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final.set("delay", delay);
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} else if (type == "gif") {
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final.set("delay", in.get_array_int("delay"));
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}
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void *buf;
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size_t length;
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@ -1,11 +1,9 @@
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#include <Magick++.h>
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#include <napi.h>
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#include <iostream>
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#include <list>
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#include <vips/vips8>
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using namespace std;
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using namespace Magick;
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using namespace vips;
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void *memset16(void *m, uint16_t val, size_t count) {
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uint16_t *buf = (uint16_t *)m;
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@ -14,6 +12,36 @@ void *memset16(void *m, uint16_t val, size_t count) {
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return m;
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}
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void vipsRemove(Napi::Env *env, Napi::Object *result, Napi::Buffer<char> data,
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int speed) {
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VOption *options = VImage::option()->set("access", "sequential");
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VImage in = VImage::new_from_buffer(data.Data(), data.Length(), "",
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options->set("n", -1))
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.colourspace(VIPS_INTERPRETATION_sRGB);
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if (!in.has_alpha()) in = in.bandjoin(255);
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int width = in.width();
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int page_height = vips_image_get_page_height(in.get_image());
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int n_pages = vips_image_get_n_pages(in.get_image());
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vector<VImage> img;
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for (int i = 0; i < n_pages; i += speed) {
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VImage img_frame = in.crop(0, i * page_height, width, page_height);
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img.push_back(img_frame);
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}
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VImage out = VImage::arrayjoin(img, VImage::option()->set("across", 1));
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out.set(VIPS_META_PAGE_HEIGHT, page_height);
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void *buf;
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size_t length;
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out.write_to_buffer(".gif", &buf, &length);
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vips_thread_shutdown();
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result->Set("data", Napi::Buffer<char>::Copy(*env, (char *)buf, length));
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}
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Napi::Value Speed(const Napi::CallbackInfo &info) {
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Napi::Env env = info.Env();
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@ -80,37 +108,7 @@ Napi::Value Speed(const Napi::CallbackInfo &info) {
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result.Set("data",
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Napi::Buffer<char>::Copy(env, fileData, data.Length()));
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if (removeFrames) {
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Blob blob;
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list<Image> frames;
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try {
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readImages(&frames, Blob(data.Data(), data.Length()));
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} catch (Magick::WarningCoder &warning) {
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cerr << "Coder Warning: " << warning.what() << endl;
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} catch (Magick::Warning &warning) {
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cerr << "Warning: " << warning.what() << endl;
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}
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for (list<Image>::iterator i = frames.begin(); i != frames.end(); ++i) {
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int index = distance(frames.begin(), i);
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if (index >= (int)old_delays.size()) {
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old_delays.resize(index+1);
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old_delays[index] = old_delays[index-1];
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}
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i->animationDelay(old_delays[index]);
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}
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for (int i = 0; i < speed - 1; ++i) {
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auto it = frames.begin();
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while(it != frames.end() && ++it != frames.end()) it = frames.erase(it);
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}
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for_each(frames.begin(), frames.end(), magickImage(type));
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writeImages(frames.begin(), frames.end(), &blob);
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result.Set("data", Napi::Buffer<char>::Copy(env, (char *)blob.data(),
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blob.length()));
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}
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if (removeFrames) vipsRemove(&env, &result, data, speed);
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} else {
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char *lastPos;
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@ -133,26 +131,7 @@ Napi::Value Speed(const Napi::CallbackInfo &info) {
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}
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if (removeFrames) {
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Blob blob;
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list<Image> frames;
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try {
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readImages(&frames, Blob(data.Data(), data.Length()));
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} catch (Magick::WarningCoder &warning) {
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cerr << "Coder Warning: " << warning.what() << endl;
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} catch (Magick::Warning &warning) {
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cerr << "Warning: " << warning.what() << endl;
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}
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for (int i = 0; i < speed - 1; ++i) {
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auto it = frames.begin();
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while(it != frames.end() && ++it != frames.end()) it = frames.erase(it);
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}
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for_each(frames.begin(), frames.end(), magickImage(type));
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writeImages(frames.begin(), frames.end(), &blob);
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result.Set("data", Napi::Buffer<char>::Copy(env, (char *)blob.data(),
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blob.length()));
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vipsRemove(&env, &result, data, speed);
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} else {
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while (lastPos != NULL) {
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if (memcmp(lastPos, match, 4) != 0) {
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@ -178,4 +157,4 @@ Napi::Value Speed(const Napi::CallbackInfo &info) {
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} catch (...) {
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throw Napi::Error::New(env, "Unknown error");
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}
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}
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}
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