diff options
Diffstat (limited to 'modules/webp/image_loader_webp.cpp')
-rw-r--r-- | modules/webp/image_loader_webp.cpp | 67 |
1 files changed, 38 insertions, 29 deletions
diff --git a/modules/webp/image_loader_webp.cpp b/modules/webp/image_loader_webp.cpp index cdf2d75e96..42b2c77777 100644 --- a/modules/webp/image_loader_webp.cpp +++ b/modules/webp/image_loader_webp.cpp @@ -116,64 +116,73 @@ static Ref<Image> _webp_lossy_unpack(const PoolVector<uint8_t> &p_buffer) { return img; } -Error ImageLoaderWEBP::load_image(Ref<Image> p_image, FileAccess *f, bool p_force_linear, float p_scale) { +Error webp_load_image_from_buffer(Image *p_image, const uint8_t *p_buffer, int p_buffer_len) { - uint32_t size = f->get_len(); - PoolVector<uint8_t> src_image; - src_image.resize(size); + ERR_FAIL_NULL_V(p_image, ERR_INVALID_PARAMETER); WebPBitstreamFeatures features; - - PoolVector<uint8_t>::Write src_w = src_image.write(); - f->get_buffer(src_w.ptr(), size); - ERR_FAIL_COND_V(f->eof_reached(), ERR_FILE_EOF); - - if (WebPGetFeatures(src_w.ptr(), size, &features) != VP8_STATUS_OK) { - f->close(); - //ERR_EXPLAIN("Error decoding WEBP image: "+p_file); + if (WebPGetFeatures(p_buffer, p_buffer_len, &features) != VP8_STATUS_OK) { + // ERR_EXPLAIN("Error decoding WEBP image"); ERR_FAIL_V(ERR_FILE_CORRUPT); } - /* - print_line("width: " + itos(features.width)); - print_line("height: " + itos(features.height)); - print_line("alpha: " + itos(features.has_alpha)); - */ - - src_w = PoolVector<uint8_t>::Write(); - PoolVector<uint8_t> dst_image; int datasize = features.width * features.height * (features.has_alpha ? 4 : 3); dst_image.resize(datasize); - - PoolVector<uint8_t>::Read src_r = src_image.read(); PoolVector<uint8_t>::Write dst_w = dst_image.write(); bool errdec = false; if (features.has_alpha) { - errdec = WebPDecodeRGBAInto(src_r.ptr(), size, dst_w.ptr(), datasize, 4 * features.width) == NULL; + errdec = WebPDecodeRGBAInto(p_buffer, p_buffer_len, dst_w.ptr(), datasize, 4 * features.width) == NULL; } else { - errdec = WebPDecodeRGBInto(src_r.ptr(), size, dst_w.ptr(), datasize, 3 * features.width) == NULL; + errdec = WebPDecodeRGBInto(p_buffer, p_buffer_len, dst_w.ptr(), datasize, 3 * features.width) == NULL; } + dst_w = PoolVector<uint8_t>::Write(); - //ERR_EXPLAIN("Error decoding webp! - "+p_file); + //ERR_EXPLAIN("Error decoding webp!"); ERR_FAIL_COND_V(errdec, ERR_FILE_CORRUPT); - src_r = PoolVector<uint8_t>::Read(); - dst_w = PoolVector<uint8_t>::Write(); - p_image->create(features.width, features.height, 0, features.has_alpha ? Image::FORMAT_RGBA8 : Image::FORMAT_RGB8, dst_image); return OK; } +static Ref<Image> _webp_mem_loader_func(const uint8_t *p_png, int p_size) { + + Ref<Image> img; + img.instance(); + Error err = webp_load_image_from_buffer(img.ptr(), p_png, p_size); + ERR_FAIL_COND_V(err, Ref<Image>()); + return img; +} + +Error ImageLoaderWEBP::load_image(Ref<Image> p_image, FileAccess *f, bool p_force_linear, float p_scale) { + + PoolVector<uint8_t> src_image; + int src_image_len = f->get_len(); + ERR_FAIL_COND_V(src_image_len == 0, ERR_FILE_CORRUPT); + src_image.resize(src_image_len); + + PoolVector<uint8_t>::Write w = src_image.write(); + + f->get_buffer(&w[0], src_image_len); + + f->close(); + + Error err = webp_load_image_from_buffer(p_image.ptr(), w.ptr(), src_image_len); + + w = PoolVector<uint8_t>::Write(); + + return err; +} + void ImageLoaderWEBP::get_recognized_extensions(List<String> *p_extensions) const { p_extensions->push_back("webp"); } ImageLoaderWEBP::ImageLoaderWEBP() { - + Image::_webp_mem_loader_func = _webp_mem_loader_func; Image::lossy_packer = _webp_lossy_pack; Image::lossy_unpacker = _webp_lossy_unpack; } |