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Update README.

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Check bit depth when saving image as PNG.
This commit is contained in:
Syoyo Fujita 2019-03-07 20:50:58 +09:00
parent 8fd91aea04
commit e8a46c4e1d
2 changed files with 23 additions and 12 deletions
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13
README.md
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@ -7,6 +7,8 @@ If you are looking for old, C++03 version, please use `devel-picojson` branch.
## Status ## Status
v2.2.0 release(Support loading 16bit PNG)
v2.1.0 release(Draco support)
v2.0.0 release(22 Aug, 2018)! v2.0.0 release(22 Aug, 2018)!
## Builds ## Builds
@ -38,14 +40,15 @@ v2.0.0 release(22 Aug, 2018)!
* Image(Using stb_image) * Image(Using stb_image)
* [x] Parse BASE64 encoded embedded image data(DataURI). * [x] Parse BASE64 encoded embedded image data(DataURI).
* [x] Load external image file. * [x] Load external image file.
* [x] PNG(8bit only) * [x] Load PNG(8bit and 16bit)
* [x] JPEG(8bit only) * [x] Load JPEG(8bit only)
* [x] BMP * [x] Load BMP
* [x] GIF * [x] Load GIF
* [x] Custom Image decoder callback(e.g. for decoding OpenEXR image) * [x] Custom Image decoder callback(e.g. for decoding OpenEXR image)
* Load from memory * Load from memory
* Custom callback handler * Custom callback handler
* [x] Image load * [x] Image load
* [x] Image save
* Extensions * Extensions
* [x] Draco mesh decoding * [x] Draco mesh decoding
@ -69,9 +72,11 @@ v2.0.0 release(22 Aug, 2018)!
* [ ] Mesh Compression/decompression(Open3DGC, etc) * [ ] Mesh Compression/decompression(Open3DGC, etc)
* [x] Load Draco compressed mesh * [x] Load Draco compressed mesh
* [x] Save Draco compressed mesh * [x] Save Draco compressed mesh
* [ ] Open3DGC?
* [ ] Support `extensions` and `extras` property * [ ] Support `extensions` and `extras` property
* [ ] HDR image? * [ ] HDR image?
* [ ] OpenEXR extension through TinyEXR. * [ ] OpenEXR extension through TinyEXR.
* [ ] 16bit PNG support in Serialization
* [ ] Write example and tests for `animation` and `skin` * [ ] Write example and tests for `animation` and `skin`
* [ ] Skinning * [ ] Skinning
* [ ] Morph targets * [ ] Morph targets

6
tiny_gltf.h
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@ -26,6 +26,7 @@
// THE SOFTWARE. // THE SOFTWARE.
// Version: // Version:
// - v2.2.0 Add loading 16bit PNG support.
// - v2.1.0 Add draco compression. // - v2.1.0 Add draco compression.
// - v2.0.1 Add comparsion feature(Thanks to @Selmar). // - v2.0.1 Add comparsion feature(Thanks to @Selmar).
// - v2.0.0 glTF 2.0!. // - v2.0.0 glTF 2.0!.
@ -1772,6 +1773,11 @@ bool WriteImageData(const std::string *basepath, const std::string *filename,
std::vector<unsigned char> data; std::vector<unsigned char> data;
if (ext == "png") { if (ext == "png") {
if ((image->bits != 8) || (image->pixel_type != TINYGLTF_COMPONENT_TYPE_UNSIGNED_BYTE)) {
// Unsupported pixel format
return false;
}
if (!stbi_write_png_to_func(WriteToMemory_stbi, &data, image->width, if (!stbi_write_png_to_func(WriteToMemory_stbi, &data, image->width,
image->height, image->component, image->height, image->component,
&image->image[0], 0)) { &image->image[0], 0)) {