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diff --git a/python-etcpak.spec b/python-etcpak.spec new file mode 100644 index 0000000..fac4897 --- /dev/null +++ b/python-etcpak.spec @@ -0,0 +1,761 @@ +%global _empty_manifest_terminate_build 0 +Name: python-etcpak +Version: 0.9.8 +Release: 1 +Summary: python wrapper for etcpak +License: MIT License +URL: https://github.com/K0lb3/etcpak +Source0: https://mirrors.nju.edu.cn/pypi/web/packages/52/c0/98962de8a6d2c8416326d3c343efceca8a2da6e58beb4ca05936b7292075/etcpak-0.9.8.tar.gz + + +%description +# etcpak + +[](https://pypi.python.org/pypi/etcpak) +[]() +[](https://github.com/K0lb3/etcpak/blob/master/LICENSE) +[](https://github.com/K0lb3/etcpak/actions?query=workflow%3A%22CI%22) + +A python wrapper for [wolfpld/etcpak](https://github.com/wolfpld/etcpak) + +Some changes were made to the original code to make it cross-platform compatible. + +1. [Installation](https://github.com/K0lb3/etcpak#installation) +2. [Example](https://github.com/K0lb3/etcpak#example) +3. [Functions](https://github.com/K0lb3/etcpak#functions) + +## Installation + +```cmd +pip install etcpak +``` + +or download/clone the git and use + +```cmd +python setup.py install +``` + +## Example + +```python +from PIL import Image +import etcpak + +# load image +img = Image.open(file_path) + +# get image data +img_data = img.convert("RGBA").tobytes() + +# compress data +compressed = etcpak.compress_to_dxt5(img_data, img.width, img.height) +``` + +__composite image for format comparission__ +```python +import os +import etcpak +import texture2ddecoder +from PIL import Image + +FORMATS = [ + ("DXT1", etcpak.compress_to_dxt1, texture2ddecoder.decode_bc1), + ("DXT1 Dither", etcpak.compress_to_dxt1_dither, texture2ddecoder.decode_bc1), + ("DXT5", etcpak.compress_to_dxt5, texture2ddecoder.decode_bc3), + ("ETC1", etcpak.compress_to_etc1, texture2ddecoder.decode_etc1), + ("ETC1 Dither", etcpak.compress_to_etc1_dither, texture2ddecoder.decode_etc1), + ("ETC2 RGB", etcpak.compress_to_etc2_rgb, texture2ddecoder.decode_etc2), + ("ETC2 RGBA", etcpak.compress_to_etc2_rgba, texture2ddecoder.decode_etc2a8) +] + +p = "S:\\Pictures" +for fp in os.listdir(p): + if not fp[-4:] in [".png", ".jpg", ".bmp", "jpeg"]: + continue + # load image and adjust format and size + print(fp) + img = Image.open(os.path.join(p, fp)).convert("RGBA") + img = img.crop((0,0,img.width-img.width%4, img.height-img.height%4)) + + # create composite image + comp = Image.new("RGBA", (img.width*8, img.height)) + comp.paste(img, (0, 0)) + print(img.width * img.height * 4) + + # iterate over all formats + for i, (name, enc, dec) in enumerate(FORMATS): + print(name) + # make sure that the channel order is correct for the compression + if name[:3] == "DXT": + raw = img.tobytes() + elif name[:3] == "ETC": + r,g,b,a = img.split() + raw = Image.merge('RGBA', (b,g,r,a)).tobytes() + + # compress + data = enc(raw, img.width, img.height) + + # decompress + dimg = Image.frombytes("RGBA", img.size, dec(data, img.width, img.height), "raw", "BGRA") + + # add to composite image + comp.paste(dimg, (img.width*(i+1), 0)) + + # save composite image + comp.save(os.path.splitext(fp)[0]+".png") +``` + +## Functions + +* all functions accept only arguments, no keywords +* **the data has to be RGBA/BGRA for the RGB functions as well** +* **all __DXT__ compressions require data in the __RGBA__ format** +* **all __ETC__ compressions require data in the __BGRA__ format** + +### compress_to_dxt1 + +*Compresses RGBA to DXT1* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_dxt1_dither + +*Compresses RGBA to DXT1 Dither* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_dxt5 + +*Compresses RGBA to DXT5* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc1 + +*Compresses RGBA to ETC1 RGB* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc1_dither + +*Compresses RGBA to ETC1 Dither* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc1_alpha + +*Compresses A to ETC1 Alpha* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc2_rgb + +*Compresses RGBA to ETC2 RGB* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc2_rgba + +*Compresses RGBA to ETC2 RGBA* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc2_alpha + +*Compresses RGBA to ETC2 Alpha* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + + +%package -n python3-etcpak +Summary: python wrapper for etcpak +Provides: python-etcpak +BuildRequires: python3-devel +BuildRequires: python3-setuptools +BuildRequires: python3-pip +BuildRequires: python3-cffi +BuildRequires: gcc +BuildRequires: gdb +%description -n python3-etcpak +# etcpak + +[](https://pypi.python.org/pypi/etcpak) +[]() +[](https://github.com/K0lb3/etcpak/blob/master/LICENSE) +[](https://github.com/K0lb3/etcpak/actions?query=workflow%3A%22CI%22) + +A python wrapper for [wolfpld/etcpak](https://github.com/wolfpld/etcpak) + +Some changes were made to the original code to make it cross-platform compatible. + +1. [Installation](https://github.com/K0lb3/etcpak#installation) +2. [Example](https://github.com/K0lb3/etcpak#example) +3. [Functions](https://github.com/K0lb3/etcpak#functions) + +## Installation + +```cmd +pip install etcpak +``` + +or download/clone the git and use + +```cmd +python setup.py install +``` + +## Example + +```python +from PIL import Image +import etcpak + +# load image +img = Image.open(file_path) + +# get image data +img_data = img.convert("RGBA").tobytes() + +# compress data +compressed = etcpak.compress_to_dxt5(img_data, img.width, img.height) +``` + +__composite image for format comparission__ +```python +import os +import etcpak +import texture2ddecoder +from PIL import Image + +FORMATS = [ + ("DXT1", etcpak.compress_to_dxt1, texture2ddecoder.decode_bc1), + ("DXT1 Dither", etcpak.compress_to_dxt1_dither, texture2ddecoder.decode_bc1), + ("DXT5", etcpak.compress_to_dxt5, texture2ddecoder.decode_bc3), + ("ETC1", etcpak.compress_to_etc1, texture2ddecoder.decode_etc1), + ("ETC1 Dither", etcpak.compress_to_etc1_dither, texture2ddecoder.decode_etc1), + ("ETC2 RGB", etcpak.compress_to_etc2_rgb, texture2ddecoder.decode_etc2), + ("ETC2 RGBA", etcpak.compress_to_etc2_rgba, texture2ddecoder.decode_etc2a8) +] + +p = "S:\\Pictures" +for fp in os.listdir(p): + if not fp[-4:] in [".png", ".jpg", ".bmp", "jpeg"]: + continue + # load image and adjust format and size + print(fp) + img = Image.open(os.path.join(p, fp)).convert("RGBA") + img = img.crop((0,0,img.width-img.width%4, img.height-img.height%4)) + + # create composite image + comp = Image.new("RGBA", (img.width*8, img.height)) + comp.paste(img, (0, 0)) + print(img.width * img.height * 4) + + # iterate over all formats + for i, (name, enc, dec) in enumerate(FORMATS): + print(name) + # make sure that the channel order is correct for the compression + if name[:3] == "DXT": + raw = img.tobytes() + elif name[:3] == "ETC": + r,g,b,a = img.split() + raw = Image.merge('RGBA', (b,g,r,a)).tobytes() + + # compress + data = enc(raw, img.width, img.height) + + # decompress + dimg = Image.frombytes("RGBA", img.size, dec(data, img.width, img.height), "raw", "BGRA") + + # add to composite image + comp.paste(dimg, (img.width*(i+1), 0)) + + # save composite image + comp.save(os.path.splitext(fp)[0]+".png") +``` + +## Functions + +* all functions accept only arguments, no keywords +* **the data has to be RGBA/BGRA for the RGB functions as well** +* **all __DXT__ compressions require data in the __RGBA__ format** +* **all __ETC__ compressions require data in the __BGRA__ format** + +### compress_to_dxt1 + +*Compresses RGBA to DXT1* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_dxt1_dither + +*Compresses RGBA to DXT1 Dither* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_dxt5 + +*Compresses RGBA to DXT5* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc1 + +*Compresses RGBA to ETC1 RGB* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc1_dither + +*Compresses RGBA to ETC1 Dither* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc1_alpha + +*Compresses A to ETC1 Alpha* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc2_rgb + +*Compresses RGBA to ETC2 RGB* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc2_rgba + +*Compresses RGBA to ETC2 RGBA* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc2_alpha + +*Compresses RGBA to ETC2 Alpha* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + + +%package help +Summary: Development documents and examples for etcpak +Provides: python3-etcpak-doc +%description help +# etcpak + +[](https://pypi.python.org/pypi/etcpak) +[]() +[](https://github.com/K0lb3/etcpak/blob/master/LICENSE) +[](https://github.com/K0lb3/etcpak/actions?query=workflow%3A%22CI%22) + +A python wrapper for [wolfpld/etcpak](https://github.com/wolfpld/etcpak) + +Some changes were made to the original code to make it cross-platform compatible. + +1. [Installation](https://github.com/K0lb3/etcpak#installation) +2. [Example](https://github.com/K0lb3/etcpak#example) +3. [Functions](https://github.com/K0lb3/etcpak#functions) + +## Installation + +```cmd +pip install etcpak +``` + +or download/clone the git and use + +```cmd +python setup.py install +``` + +## Example + +```python +from PIL import Image +import etcpak + +# load image +img = Image.open(file_path) + +# get image data +img_data = img.convert("RGBA").tobytes() + +# compress data +compressed = etcpak.compress_to_dxt5(img_data, img.width, img.height) +``` + +__composite image for format comparission__ +```python +import os +import etcpak +import texture2ddecoder +from PIL import Image + +FORMATS = [ + ("DXT1", etcpak.compress_to_dxt1, texture2ddecoder.decode_bc1), + ("DXT1 Dither", etcpak.compress_to_dxt1_dither, texture2ddecoder.decode_bc1), + ("DXT5", etcpak.compress_to_dxt5, texture2ddecoder.decode_bc3), + ("ETC1", etcpak.compress_to_etc1, texture2ddecoder.decode_etc1), + ("ETC1 Dither", etcpak.compress_to_etc1_dither, texture2ddecoder.decode_etc1), + ("ETC2 RGB", etcpak.compress_to_etc2_rgb, texture2ddecoder.decode_etc2), + ("ETC2 RGBA", etcpak.compress_to_etc2_rgba, texture2ddecoder.decode_etc2a8) +] + +p = "S:\\Pictures" +for fp in os.listdir(p): + if not fp[-4:] in [".png", ".jpg", ".bmp", "jpeg"]: + continue + # load image and adjust format and size + print(fp) + img = Image.open(os.path.join(p, fp)).convert("RGBA") + img = img.crop((0,0,img.width-img.width%4, img.height-img.height%4)) + + # create composite image + comp = Image.new("RGBA", (img.width*8, img.height)) + comp.paste(img, (0, 0)) + print(img.width * img.height * 4) + + # iterate over all formats + for i, (name, enc, dec) in enumerate(FORMATS): + print(name) + # make sure that the channel order is correct for the compression + if name[:3] == "DXT": + raw = img.tobytes() + elif name[:3] == "ETC": + r,g,b,a = img.split() + raw = Image.merge('RGBA', (b,g,r,a)).tobytes() + + # compress + data = enc(raw, img.width, img.height) + + # decompress + dimg = Image.frombytes("RGBA", img.size, dec(data, img.width, img.height), "raw", "BGRA") + + # add to composite image + comp.paste(dimg, (img.width*(i+1), 0)) + + # save composite image + comp.save(os.path.splitext(fp)[0]+".png") +``` + +## Functions + +* all functions accept only arguments, no keywords +* **the data has to be RGBA/BGRA for the RGB functions as well** +* **all __DXT__ compressions require data in the __RGBA__ format** +* **all __ETC__ compressions require data in the __BGRA__ format** + +### compress_to_dxt1 + +*Compresses RGBA to DXT1* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_dxt1_dither + +*Compresses RGBA to DXT1 Dither* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_dxt5 + +*Compresses RGBA to DXT5* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc1 + +*Compresses RGBA to ETC1 RGB* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc1_dither + +*Compresses RGBA to ETC1 Dither* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc1_alpha + +*Compresses A to ETC1 Alpha* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc2_rgb + +*Compresses RGBA to ETC2 RGB* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc2_rgba + +*Compresses RGBA to ETC2 RGBA* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + +### compress_to_etc2_alpha + +*Compresses RGBA to ETC2 Alpha* +``` +:param data: RGBA data of the image +:type data: bytes +:param width: width of the image +:type width: int +:param height: height of the image +:type height: int +:returns: compressed data +:rtype: bytes" +``` + + +%prep +%autosetup -n etcpak-0.9.8 + +%build +%py3_build + +%install +%py3_install +install -d -m755 %{buildroot}/%{_pkgdocdir} +if [ -d doc ]; then cp -arf doc %{buildroot}/%{_pkgdocdir}; fi +if [ -d docs ]; then cp -arf docs %{buildroot}/%{_pkgdocdir}; fi +if [ -d example ]; then cp -arf example %{buildroot}/%{_pkgdocdir}; fi +if [ -d examples ]; then cp -arf examples %{buildroot}/%{_pkgdocdir}; fi +pushd %{buildroot} +if [ -d usr/lib ]; then + find usr/lib -type f -printf "/%h/%f\n" >> filelist.lst +fi +if [ -d usr/lib64 ]; then + find usr/lib64 -type f -printf "/%h/%f\n" >> filelist.lst +fi +if [ -d usr/bin ]; then + find usr/bin -type f -printf "/%h/%f\n" >> filelist.lst +fi +if [ -d usr/sbin ]; then + find usr/sbin -type f -printf "/%h/%f\n" >> filelist.lst +fi +touch doclist.lst +if [ -d usr/share/man ]; then + find usr/share/man -type f -printf "/%h/%f.gz\n" >> doclist.lst +fi +popd +mv %{buildroot}/filelist.lst . +mv %{buildroot}/doclist.lst . + +%files -n python3-etcpak -f filelist.lst +%dir %{python3_sitearch}/* + +%files help -f doclist.lst +%{_docdir}/* + +%changelog +* Wed May 10 2023 Python_Bot <Python_Bot@openeuler.org> - 0.9.8-1 +- Package Spec generated |