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179 lines
4.9 KiB
179 lines
4.9 KiB
/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 |
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Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include "Magnum/Image.h" |
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#include "Magnum/PixelFormat.h" |
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#ifdef MAGNUM_TARGET_GL |
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#include "Magnum/GL/PixelFormat.h" |
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#include "Magnum/GL/Texture.h" |
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#endif |
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using namespace Magnum; |
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using namespace Magnum::Math::Literals; |
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int main() { |
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{ |
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char data[3]; |
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/* [ImageView-usage] */ |
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ImageView2D image{PixelFormat::RGBA8Unorm, {512, 256}, data}; |
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/* [ImageView-usage] */ |
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} |
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{ |
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char evenFrameData[3], oddFrameData[3]; |
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/* [ImageView-usage-streaming] */ |
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ImageView2D frame{PixelFormat::RGBA8Unorm, {512, 256}}; |
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frame.setData(evenFrameData); |
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// Use even frame data ... |
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frame.setData(oddFrameData); |
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// Use odd frame data ... |
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/* [ImageView-usage-streaming] */ |
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} |
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{ |
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char data[3]; |
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/* [ImageView-usage-storage] */ |
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ImageView2D image{ |
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PixelStorage{} |
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.setRowLength(75) |
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.setAlignment(4) |
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.setSkip({25, 25, 0}), |
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PixelFormat::RGBA8Unorm, {25, 25}, data}; |
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/* [ImageView-usage-storage] */ |
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} |
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#ifdef MAGNUM_TARGET_GL |
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{ |
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char data[3]; |
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/* [ImageView-usage-gl] */ |
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ImageView2D image{GL::PixelFormat::DepthComponent, |
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GL::PixelType::UnsignedInt, {512, 256}, data}; |
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/* [ImageView-usage-gl] */ |
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/* [ImageView-usage-gl-extract] */ |
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auto format = pixelFormatUnwrap<GLenum>(image.format()); |
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auto type = GLenum(image.formatExtra()); |
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/* [ImageView-usage-gl-extract] */ |
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static_cast<void>(format); |
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static_cast<void>(type); |
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} |
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#endif |
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{ |
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char data[3]; |
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#define MTLPixelFormatRGBA8Unorm_sRGB 71 |
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/* [ImageView-usage-metal] */ |
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/* Default pixel storage, 8-bit sRGB + alpha, four bytes per pixel */ |
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ImageView2D view{{}, MTLPixelFormatRGBA8Unorm_sRGB, {}, 4, {256, 256}, data}; |
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/* [ImageView-usage-metal] */ |
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} |
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{ |
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char data[3]; |
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/* [CompressedImageView-usage] */ |
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CompressedImageView2D image{CompressedPixelFormat::Bc1RGBUnorm, |
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{512, 256}, data}; |
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/* [CompressedImageView-usage] */ |
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} |
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{ |
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char evenFrameData[3], oddFrameData[3]; |
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/* [CompressedImageView-usage-streaming] */ |
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CompressedImageView2D frame{CompressedPixelFormat::Bc1RGBUnorm, {512, 256}}; |
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frame.setData(evenFrameData); |
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// Use even frame data ... |
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frame.setData(oddFrameData); |
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// Use odd frame data ... |
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/* [CompressedImageView-usage-streaming] */ |
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} |
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{ |
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char data[3]; |
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/* [CompressedImageView-usage-storage] */ |
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CompressedImageView2D image{ |
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CompressedPixelStorage{} |
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.setRowLength(64) |
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.setCompressedBlockSize({4, 4, 1}) |
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.setCompressedBlockDataSize(8) |
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.setSkip({32, 32, 0}), |
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CompressedPixelFormat::Bc1RGBUnorm, {32, 32}, data}; |
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/* [CompressedImageView-usage-storage] */ |
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} |
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#if defined(MAGNUM_TARGET_GL) && !defined(MAGNUM_TARGET_GLES) |
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{ |
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char data[3]; |
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/* [CompressedImageView-usage-gl] */ |
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CompressedImageView2D image{GL::CompressedPixelFormat::SignedRGRgtc2, |
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{512, 256}, data}; |
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/* [CompressedImageView-usage-gl] */ |
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/* [CompressedImageView-usage-gl-extract] */ |
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auto format = compressedPixelFormatUnwrap<GLenum>(image.format()); |
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/* [CompressedImageView-usage-gl-extract] */ |
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static_cast<void>(format); |
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} |
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#endif |
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{ |
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/* [Image-usage] */ |
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Containers::Array<char> data; |
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Image2D image{PixelFormat::RGBA8Unorm, {512, 256}, std::move(data)}; |
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/* [Image-usage] */ |
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} |
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#if defined(MAGNUM_TARGET_GL) && !defined(MAGNUM_TARGET_GLES) |
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{ |
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/* [Image-usage-query] */ |
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GL::Texture2D texture; |
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Image2D image = texture.image(0, {GL::PixelFormat::DepthComponent, |
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GL::PixelType::UnsignedInt}); |
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/* [Image-usage-query] */ |
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} |
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#endif |
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{ |
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/* [CompressedImage-usage] */ |
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Containers::Array<char> data; |
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CompressedImage2D image{CompressedPixelFormat::Bc1RGBUnorm, |
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{512, 256}, std::move(data)}; |
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/* [CompressedImage-usage] */ |
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} |
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#if defined(MAGNUM_TARGET_GL) && !defined(MAGNUM_TARGET_GLES) |
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{ |
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/* [CompressedImage-usage-query] */ |
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GL::Texture2D texture; |
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CompressedImage2D image = texture.compressedImage(0, {}); |
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/* [CompressedImage-usage-query] */ |
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} |
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#endif |
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}
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