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Diffstat (limited to 'Source/Asset/Asset/image_sampler.h')
-rw-r--r-- | Source/Asset/Asset/image_sampler.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/Source/Asset/Asset/image_sampler.h b/Source/Asset/Asset/image_sampler.h new file mode 100644 index 00000000..3b43d4f1 --- /dev/null +++ b/Source/Asset/Asset/image_sampler.h @@ -0,0 +1,80 @@ +//----------------------------------------------------------------------------- +// Name: image_sampler.h +// Developer: Wolfire Games LLC +// Description: +// License: Read below +//----------------------------------------------------------------------------- +// +// +// Copyright 2022 Wolfire Games LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +//----------------------------------------------------------------------------- +#pragma once + +#include <Internal/integer.h> +#include <Internal/modid.h> + +#include <Asset/assetbase.h> +#include <Asset/assetinfobase.h> +#include <Asset/assets.h> + +#include <Math/vec4.h> +#include <Images/freeimage_wrapper.h> + +#include <vector> + +class ImageSampler : public Asset { + struct byte4 { + unsigned char entries[4]; + inline unsigned char& operator[](int which){return entries[which];} + }; +public: + ImageSampler( AssetManager* owner, uint32_t asset_id ); + + static AssetType GetType() { return IMAGE_SAMPLER_ASSET; } + static const char* GetTypeName() { return "IMAGE_SAMPLER_ASSET"; } + static bool AssetWarning() { return true; } + + int sub_error; + int Load(const std::string& path, uint32_t load_flags); + const char* GetLoadErrorString(); + const char* GetLoadErrorStringExtended() { return ""; } + void Unload(); + void Reload(); + virtual void ReportLoad(); + + vec4 GetInterpolatedColorUV(float x, float y) const; + bool GetCachePath(std::string* dst); + + virtual AssetLoaderBase* NewLoader(); + + ModID modsource_; + +private: + static const int kImageSamplerCacheVersion = 2; + + byte4 GetPixel( int x, int y ) const; + void LoadDataFromFIBitmap(FIBITMAP* image); + vec4 GetInterpolatedColor(float x, float y) const; + bool ReadCacheFile(const std::string& path, uint16_t checksum); + void WriteCacheFile(const std::string& path); + + std::vector<byte4> pixels_; + int width_, height_; + uint16_t checksum_; + +}; + +typedef AssetRef<ImageSampler> ImageSamplerRef; |