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Merge pull request #66929 from MladoniSzabi/save_jpeg_file

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Fixed Image.save_jpg() does not write any file
This commit is contained in:
Rémi Verschelde 2022-10-31 10:48:10 +01:00
parent fa73211754 a5c4df7a99
commit 62a778fdd6
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GPG key ID: C3336907360768E1
1 changed files with 25 additions and 13 deletions
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38
modules/jpg/image_loader_jpegd.cpp
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@ -33,8 +33,8 @@
#include "core/os/os.h"
#include "core/string/print_string.h"
#include "thirdparty/jpeg-compressor/jpgd.h"
#include "thirdparty/jpeg-compressor/jpge.h"
#include <jpgd.h>
#include <jpge.h>
#include <string.h>
Error jpeg_load_image_from_buffer(Image *p_image, const uint8_t *p_buffer, int p_buffer_len) {
@ -132,10 +132,6 @@ static Ref<Image> _jpegd_mem_loader_func(const uint8_t *p_png, int p_size) {
return img;
}
static Error _jpgd_save_func(const String &p_path, const Ref<Image> &p_img, float p_quality) {
return OK;
}
class ImageLoaderJPGOSFile : public jpge::output_stream {
public:
Ref<FileAccess> f;
@ -157,21 +153,18 @@ public:
}
};
static Vector<uint8_t> _jpgd_buffer_save_func(const Ref<Image> &p_img, float p_quality) {
ERR_FAIL_COND_V(p_img.is_null() || p_img->is_empty(), Vector<uint8_t>());
static Error _jpgd_save_to_output_stream(jpge::output_stream *p_output_stream, const Ref<Image> &p_img, float p_quality) {
ERR_FAIL_COND_V(p_img.is_null() || p_img->is_empty(), ERR_INVALID_PARAMETER);
Ref<Image> image = p_img;
if (image->get_format() != Image::FORMAT_RGB8) {
image->convert(Image::FORMAT_ETC2_RGB8);
image->convert(Image::FORMAT_RGB8);
}
jpge::params p;
p.m_quality = CLAMP(p_quality * 100, 1, 100);
Vector<uint8_t> output;
ImageLoaderJPGOSBuffer ob;
ob.buffer = &output;
jpge::jpeg_encoder enc;
enc.init(&ob, image->get_width(), image->get_height(), 3, p);
enc.init(p_output_stream, image->get_width(), image->get_height(), 3, p);
const uint8_t *src_data = image->get_data().ptr();
for (int i = 0; i < image->get_height(); i++) {
@ -180,9 +173,28 @@ static Vector<uint8_t> _jpgd_buffer_save_func(const Ref<Image> &p_img, float p_q
enc.process_scanline(nullptr);
return OK;
}
static Vector<uint8_t> _jpgd_buffer_save_func(const Ref<Image> &p_img, float p_quality) {
Vector<uint8_t> output;
ImageLoaderJPGOSBuffer ob;
ob.buffer = &output;
if (_jpgd_save_to_output_stream(&ob, p_img, p_quality) != OK) {
return Vector<uint8_t>();
}
return output;
}
static Error _jpgd_save_func(const String &p_path, const Ref<Image> &p_img, float p_quality) {
Error err;
Ref<FileAccess> file = FileAccess::open(p_path, FileAccess::WRITE, &err);
ERR_FAIL_COND_V_MSG(err, err, vformat("Can't save JPG at path: '%s'.", p_path));
ImageLoaderJPGOSFile ob;
ob.f = file;
return _jpgd_save_to_output_stream(&ob, p_img, p_quality);
}
ImageLoaderJPG::ImageLoaderJPG() {
Image::_jpg_mem_loader_func = _jpegd_mem_loader_func;
Image::save_jpg_func = _jpgd_save_func;