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Extend meme outline

This commit is contained in:
Essem 2022-03-13 19:57:32 -05:00
parent 7a31e063f8
commit e989901039
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1 changed files with 14 additions and 0 deletions
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14
natives/meme.cc
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@ -32,6 +32,7 @@ Napi::Value Meme(const Napi::CallbackInfo &info) {
int page_height = vips_image_get_page_height(in.get_image());
int n_pages = vips_image_get_n_pages(in.get_image());
int size = width / 9;
int dividedWidth = width / 1000;
int rad = 1;
string font_string = (font == "roboto" ? "Roboto Condensed" : font) + " " +
@ -41,6 +42,13 @@ Napi::Value Meme(const Napi::CallbackInfo &info) {
VImage mask = VImage::black(rad * 2 + 1, rad * 2 + 1) + 128;
mask.draw_circle({255}, rad, rad, rad, VImage::option()->set("fill", true));
VImage altMask;
if (dividedWidth >= 1) {
altMask = VImage::black(dividedWidth * 2 + 1, dividedWidth * 2 + 1) + 128;
altMask.draw_circle({255}, dividedWidth, dividedWidth, dividedWidth, VImage::option()->set("fill", true));
}
VImage topText;
if (top != "") {
VImage topIn = VImage::text(
@ -57,6 +65,9 @@ Napi::Value Meme(const Napi::CallbackInfo &info) {
VImage topOutline =
topIn.morph(mask, VIPS_OPERATION_MORPHOLOGY_DILATE)
.gaussblur(0.5, VImage::option()->set("min_ampl", 0.1));
if (dividedWidth >= 1) {
topOutline = topOutline.morph(altMask, VIPS_OPERATION_MORPHOLOGY_DILATE);
}
topOutline = (topOutline == (vector<double>){0, 0, 0, 0});
VImage topInvert = topOutline.extract_band(3).invert();
topOutline = topOutline
@ -81,6 +92,9 @@ Napi::Value Meme(const Napi::CallbackInfo &info) {
VImage bottomOutline =
bottomIn.morph(mask, VIPS_OPERATION_MORPHOLOGY_DILATE)
.gaussblur(0.5, VImage::option()->set("min_ampl", 0.1));
if (dividedWidth >= 1) {
bottomOutline = bottomOutline.morph(altMask, VIPS_OPERATION_MORPHOLOGY_DILATE);
}
bottomOutline = (bottomOutline == (vector<double>){0, 0, 0, 0});
VImage bottomInvert = bottomOutline.extract_band(3).invert();
bottomOutline = bottomOutline