mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-19 20:24:49 +00:00
a91b19d4dc
Added support for .hdr format, atm just being converted to ldr after the exposure is applied. cleanup dds file PNG skips 16bit altogether at the moment for textureArray issues.
272 lines
7.8 KiB
C++
272 lines
7.8 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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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 THE
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// 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 DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#include "platform/platform.h"
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#include "core/stream/fileStream.h"
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#include "core/stream/memStream.h"
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#include "core/strings/stringFunctions.h"
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#include "gfx/bitmap/gBitmap.h"
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#ifdef __clang__
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#define STBIWDEF static inline
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#endif
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#define STB_IMAGE_IMPLEMENTATION
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#define STB_IMAGE_STATIC
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#include "stb_image.h"
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#define STB_IMAGE_WRITE_IMPLEMENTATION
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#define STB_IMAGE_WRITE_STATIC
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#include "stb_image_write.h"
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static bool sReadSTB(const Torque::Path& path, GBitmap* bitmap);
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static bool sWriteSTB(const Torque::Path& path, GBitmap* bitmap, U32 compressionLevel);
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static struct _privateRegisterSTB
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{
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_privateRegisterSTB()
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{
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GBitmap::Registration reg;
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reg.priority = 100;
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reg.extensions.push_back("png");
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reg.extensions.push_back("bmp");
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reg.extensions.push_back("jpg");
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reg.extensions.push_back("jpeg");
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reg.extensions.push_back("psd");
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reg.extensions.push_back("hdr");
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reg.extensions.push_back("tga");
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reg.readFunc = sReadSTB;
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reg.writeFunc = sWriteSTB;
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// for png only.
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reg.defaultCompression = 6;
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GBitmap::sRegisterFormat(reg);
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}
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} sStaticRegisterSTB;
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bool sReadSTB(const Torque::Path& path, GBitmap* bitmap)
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{
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PROFILE_SCOPE(sReadSTB);
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S32 x, y, n, channels;
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String ext = path.getExtension();
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U32 prevWaterMark = FrameAllocator::getWaterMark();
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if (!stbi_info(path.getFullPath().c_str(), &x, &y, &channels))
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{
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FrameAllocator::setWaterMark(prevWaterMark);
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return false;
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}
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// do this to map 2 channels to 4, 2 channel not supported by gbitmap yet..
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if (channels == 2)
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channels = 4;
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if (!ext.equal("png"))
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{
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if (stbi_is_16_bit(path.getFullPath().c_str()))
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{
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U16* data = stbi_load_16(path.getFullPath().c_str(), &x, &y, &n, channels);
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// if succesful deal make the bitmap, else try other loaders.
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if (data)
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{
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GFXFormat format;
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if (n == 1)
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format = GFXFormatL16;
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else
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format = GFXFormatR16G16B16A16; // not sure if this is correct.
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bitmap->deleteImage();
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// actually allocate the bitmap space...
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bitmap->allocateBitmap(x, y,
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false, // don't extrude miplevels...
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format); // use determined format...
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U16* pBase = (U16*)bitmap->getBits();
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U32 rowBytes = bitmap->getByteSize();
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dMemcpy(pBase, data, rowBytes);
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stbi_image_free(data);
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FrameAllocator::setWaterMark(prevWaterMark);
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return true;
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}
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}
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}
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if (ext.equal("hdr"))
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{
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// force load to 4 channel.
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float* data = stbi_loadf(path.getFullPath().c_str(), &x, &y, &n, 4);
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unsigned char* dataChar = stbi__hdr_to_ldr(data, x, y, 4);
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bitmap->deleteImage();
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// actually allocate the bitmap space...
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bitmap->allocateBitmap(x, y,
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false,
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GFXFormatR8G8B8A8);
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U8* pBase = (U8*)bitmap->getBits();
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U32 rowBytes = x * y * 4;
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dMemcpy(pBase, dataChar, rowBytes);
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stbi_image_free(dataChar);
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FrameAllocator::setWaterMark(prevWaterMark);
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return true;
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}
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unsigned char* data = stbi_load(path.getFullPath().c_str(), &x, &y, &n, channels);
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bitmap->deleteImage();
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GFXFormat format;
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switch (channels) {
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case 1:
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format = GFXFormatA8;
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break;
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case 2:
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format = GFXFormatA8L8;
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break;
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case 3:
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format = GFXFormatR8G8B8;
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break;
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case 4:
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format = GFXFormatR8G8B8A8;
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break;
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default:
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FrameAllocator::setWaterMark(prevWaterMark);
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return false;
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}
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// actually allocate the bitmap space...
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bitmap->allocateBitmap(x, y,
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false, // don't extrude miplevels...
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format); // use determined format...
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U8* pBase = (U8*)bitmap->getBits();
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U32 rowBytes = bitmap->getByteSize();
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dMemcpy(pBase, data, rowBytes);
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stbi_image_free(data);
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// Check this bitmap for transparency
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if (channels == 4)
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bitmap->checkForTransparency();
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FrameAllocator::setWaterMark(prevWaterMark);
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return true;
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}
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/**
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* Write bitmap to an image file.
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*
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* @param[in] path Destination image file path. File name extension determines image format.
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* ".bmp" for Microsoft Bitmap.
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* ".hdr" for High Dynamic Range (HDR).
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* ".jpg" or ".jpeg" for Joint Photographic Experts Group (JPEG).
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* ".png" for Portable Network Graphics (PNG).
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* ".tga" for Truevision TGA (TARGA).
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*
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*
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* @param[in] bitmap Source bitmap to encode image from.
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* @param compressionLevel Image format specific compression level.
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* For JPEG sets the quality level percentage, range 0 to 100.
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* Not used for other image formats.
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*/
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bool sWriteSTB(const Torque::Path& path, GBitmap* bitmap, U32 compressionLevel)
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{
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PROFILE_SCOPE(sWriteSTB);
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// get our data to be saved.
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U32 width = bitmap->getWidth();
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U32 height = bitmap->getHeight();
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U32 bytes = bitmap->getBytesPerPixel();
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GFXFormat format = bitmap->getFormat();
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String ext = path.getExtension();
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U32 stride = width * bytes;
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// we always have at least 1
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U32 comp = 1;
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if (format == GFXFormatR8G8B8)
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{
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comp = 3;
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}
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else if (format == GFXFormatR8G8B8A8 || format == GFXFormatR8G8B8X8 || format == GFXFormatR8G8B8A8_LINEAR_FORCE)
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{
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comp = 4;
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}
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if (ext.equal("png"))
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{
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stbi_write_png_compression_level = compressionLevel;
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if (stbi_write_png(path.getFullPath().c_str(), width, height, comp, bitmap->getWritableBits(), 0))
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return true;
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}
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if (ext.equal("tga"))
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{
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if (stbi_write_tga(path.getFullPath().c_str(), width, height, comp, bitmap->getWritableBits()))
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return true;
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}
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if (ext.equal("bmp"))
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{
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if (stbi_write_bmp(path.getFullPath().c_str(), width, height, comp, bitmap->getWritableBits()))
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return true;
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}
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if (ext.equal("jpg") || ext.equal("jpeg"))
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{
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if (stbi_write_jpg(path.getFullPath().c_str(), width, height, comp, bitmap->getWritableBits(), compressionLevel))
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return true;
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}
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if (ext.equal("hdr"))
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{
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if (stbi_write_hdr(path.getFullPath().c_str(), width, height, comp, (const F32*)bitmap->getWritableBits()))
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return true;
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}
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return false;
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}
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