yyc12345
b2d0b743cb
- remove VTImage.hpp to make sure stb image do not need external project to ref. - finish CKStateChunk write part. add some compatibilty code. - add debugger pause function - add filename getter for CKPathManager.
341 lines
11 KiB
C++
341 lines
11 KiB
C++
#include "CKBitmapHandler.hpp"
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#include "stb_image.h"
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#include "stb_image_write.h"
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namespace LibCmo::CK2::DataHandlers {
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#pragma region Help Functions
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/*
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ABGR8888 is format used by std image.
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The data is placed in buffer with RGBA order, so the format is ABGR.
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ARGB8888 is Virtools standard.
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The data is placed in buffer with BGRA order.
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*/
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static void ABGRToARGB(CKDWORD count, const void* _abgr, void* _argb) {
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const CKBYTE* abgr = static_cast<const CKBYTE*>(_abgr);
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CKBYTE* argb = static_cast<CKBYTE*>(_argb);
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// copy R
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VxMath::VxCopyStructure(
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count,
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argb + (2u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize,
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VxMath::VxImageDescEx::ColorFactorSize,
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abgr + (0u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize
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);
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// copy G
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VxMath::VxCopyStructure(
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count,
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argb + (1u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize,
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VxMath::VxImageDescEx::ColorFactorSize,
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abgr + (1u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize
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);
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// copy B
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VxMath::VxCopyStructure(
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count,
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argb + (0u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize,
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VxMath::VxImageDescEx::ColorFactorSize,
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abgr + (2u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize
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);
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// copy A
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VxMath::VxCopyStructure(
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count,
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argb + (3u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize,
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VxMath::VxImageDescEx::ColorFactorSize,
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abgr + (3u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize
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);
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}
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static void ARGBToABGR(CKDWORD count, const void* _argb, void* _abgr) {
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const CKBYTE* argb = static_cast<const CKBYTE*>(_argb);
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CKBYTE* abgr = static_cast<CKBYTE*>(_abgr);
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// copy R
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VxMath::VxCopyStructure(
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count,
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abgr + (0u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize,
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VxMath::VxImageDescEx::ColorFactorSize,
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argb + (2u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize
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);
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// copy G
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VxMath::VxCopyStructure(
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count,
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abgr + (1u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize,
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VxMath::VxImageDescEx::ColorFactorSize,
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argb + (1u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize
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);
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// copy B
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VxMath::VxCopyStructure(
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count,
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abgr + (2u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize,
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VxMath::VxImageDescEx::ColorFactorSize,
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argb + (0u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize
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);
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// copy A
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VxMath::VxCopyStructure(
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count,
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abgr + (3u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize,
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VxMath::VxImageDescEx::ColorFactorSize,
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argb + (3u * VxMath::VxImageDescEx::ColorFactorSize),
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VxMath::VxImageDescEx::PixelSize
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);
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}
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static bool StbReadFile(CKSTRING u8filename, VxMath::VxImageDescEx* read_image) {
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if (u8filename == nullptr || read_image == nullptr) return false;
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FILE* fs = EncodingHelper::U8FOpen(u8filename, "rb");
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if (fs == nullptr) return false;
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// read data
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int x, y, channels_in_file;
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stbi_uc* data = stbi_load_from_file(fs, &x, &y, &channels_in_file, 4); // 4 == RGBA8888
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std::fclose(fs);
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if (data == nullptr) return false;
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// create read image
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read_image->CreateImage(static_cast<CKDWORD>(x), static_cast<CKDWORD>(y));
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// copy data
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ABGRToARGB(read_image->GetPixelCount(), data, read_image->GetMutableImage());
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// clear data
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stbi_image_free(data);
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return true;
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}
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static bool StbReadMemory(const void* memory, CKDWORD size, VxMath::VxImageDescEx* read_image) {
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// same like ReadFile
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if (memory == nullptr || read_image == nullptr) return false;
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// read data
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int x, y, channels_in_file;
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stbi_uc* data = stbi_load_from_memory(
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static_cast<const stbi_uc*>(memory),
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static_cast<int>(size),
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&x, &y, &channels_in_file, 4 // 4 == RGBA8888
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);
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if (data == nullptr) return false;
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// create read image
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read_image->CreateImage(static_cast<CKDWORD>(x), static_cast<CKDWORD>(y));
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// copy data
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ABGRToARGB(read_image->GetPixelCount(), data, read_image->GetMutableImage());
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// clear data
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stbi_image_free(data);
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return true;
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}
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struct FileSaveContext {
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FileSaveContext(FILE* fs) :
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m_Fs(fs), m_Counter(0) {}
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FILE* m_Fs;
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size_t m_Counter;
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};
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static void FileWriteFunction(void* context, void* data, int size) {
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FileSaveContext* ctx = static_cast<FileSaveContext*>(context);
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if (ctx->m_Fs != nullptr) {
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std::fwrite(data, sizeof(CKBYTE), size, ctx->m_Fs);
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}
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ctx->m_Counter += size;
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}
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struct MemorySaveContext {
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MemorySaveContext(void* mem) :
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m_Mem(mem), m_Counter(0) {}
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void* m_Mem;
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size_t m_Counter;
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};
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static void MemoryWriteFunction(void* context, void* data, int size) {
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MemorySaveContext* ctx = static_cast<MemorySaveContext*>(context);
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if (ctx->m_Mem != nullptr) {
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std::memcpy(ctx->m_Mem, data, size);
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ctx->m_Mem = static_cast<CKBYTE*>(ctx->m_Mem) + size;
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}
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ctx->m_Counter += size;
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}
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using SaveOperation = std::function<int(stbi_write_func*, void*, int, int, int, const void*)>;
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static bool StbSaveFile(CKSTRING u8filename, const VxMath::VxImageDescEx* write_image, SaveOperation oper) {
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if (u8filename == nullptr || write_image == nullptr) return false;
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if (!write_image->IsValid()) return false;
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FILE* fs = EncodingHelper::U8FOpen(u8filename, "wb");
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if (fs == nullptr) return false;
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// allocate buffer and convert data from ARGB to RGBA
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CKBYTE* data = new CKBYTE[write_image->GetImageSize()];
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ARGBToABGR(write_image->GetPixelCount(), write_image->GetImage(), data);
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// write data
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FileSaveContext* ctx = new FileSaveContext(fs);
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int ret = oper(
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&FileWriteFunction, ctx,
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static_cast<int>(write_image->GetWidth()), static_cast<int>(write_image->GetHeight()),
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4, data // 4 == RGBA8888
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);
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// free data
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delete ctx;
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delete[] data;
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std::fclose(fs);
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return ret == 0;
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}
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static CKDWORD StbSaveMemory(void* memory, const VxMath::VxImageDescEx* write_image, SaveOperation oper) {
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if (write_image == nullptr) return 0;
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if (!write_image->IsValid()) return 0;
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// allocate buffer and convert data from ARGB to RGBA
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CKBYTE* data = new CKBYTE[write_image->GetImageSize()];
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ARGBToABGR(write_image->GetPixelCount(), write_image->GetImage(), data);
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// write data
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MemorySaveContext* ctx = new MemorySaveContext(memory);
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int ret = oper(
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&MemoryWriteFunction, ctx,
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static_cast<int>(write_image->GetWidth()), static_cast<int>(write_image->GetHeight()),
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4, data // 4 == RGBA8888
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);
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// free data
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CKDWORD expected = static_cast<CKDWORD>(ctx->m_Counter);
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delete ctx;
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delete[] data;
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if (ret == 0) return 0;
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else return expected;
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}
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#pragma endregion
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#pragma region CKBitmapBMPHandler
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static const CKBitmapProperties g_BMPProperties(CKGUID(0xBCA97223u, 0x48578BCAu), "Bmp");
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CKBitmapBMPHandler::CKBitmapBMPHandler() :
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CKBitmapHandler() {}
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CKBitmapBMPHandler::~CKBitmapBMPHandler() {}
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const CKBitmapProperties& CKBitmapBMPHandler::GetBitmapDefaultProperties() {
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return g_BMPProperties;
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}
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bool CKBitmapBMPHandler::ReadFile(CKSTRING u8filename, VxMath::VxImageDescEx* read_image) {
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return StbReadFile(u8filename, read_image);
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}
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bool CKBitmapBMPHandler::ReadMemory(const void* memory, CKDWORD size, VxMath::VxImageDescEx* read_image) {
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return StbReadMemory(memory, size, read_image);
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}
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bool CKBitmapBMPHandler::SaveFile(CKSTRING u8filename, const VxMath::VxImageDescEx* write_image, const CKBitmapProperties& codec_param) {
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return StbSaveFile(u8filename, write_image,
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[&codec_param](stbi_write_func* func, void* context, int w, int h, int comp, const void* data) -> int {
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return stbi_write_bmp_to_func(func, context, w, h, comp, data);
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});
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}
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CKDWORD CKBitmapBMPHandler::SaveMemory(void* memory, const VxMath::VxImageDescEx* write_image, const CKBitmapProperties& codec_param) {
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return StbSaveMemory(memory, write_image,
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[&codec_param](stbi_write_func* func, void* context, int w, int h, int comp, const void* data) -> int {
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return stbi_write_bmp_to_func(func, context, w, h, comp, data);
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});
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}
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#pragma endregion
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#pragma region CKBitmapTGAHandler
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static const CKBitmapProperties g_TGAProperties(CKGUID(0x585C7216u, 0x33302657u), "Tga");
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CKBitmapTGAHandler::CKBitmapTGAHandler() :
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CKBitmapHandler() {}
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CKBitmapTGAHandler::~CKBitmapTGAHandler() {}
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const CKBitmapProperties& CKBitmapTGAHandler::GetBitmapDefaultProperties() {
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return g_TGAProperties;
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}
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bool CKBitmapTGAHandler::ReadFile(CKSTRING u8filename, VxMath::VxImageDescEx* read_image) {
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return StbReadFile(u8filename, read_image);
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}
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bool CKBitmapTGAHandler::ReadMemory(const void* memory, CKDWORD size, VxMath::VxImageDescEx* read_image) {
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return StbReadMemory(memory, size, read_image);
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}
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bool CKBitmapTGAHandler::SaveFile(CKSTRING u8filename, const VxMath::VxImageDescEx* write_image, const CKBitmapProperties& codec_param) {
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return StbSaveFile(u8filename, write_image,
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[&codec_param](stbi_write_func* func, void* context, int w, int h, int comp, const void* data) -> int {
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return stbi_write_tga_to_func(func, context, w, h, comp, data);
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});
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}
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CKDWORD CKBitmapTGAHandler::SaveMemory(void* memory, const VxMath::VxImageDescEx* write_image, const CKBitmapProperties& codec_param) {
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return StbSaveMemory(memory, write_image,
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[&codec_param](stbi_write_func* func, void* context, int w, int h, int comp, const void* data) -> int {
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return stbi_write_tga_to_func(func, context, w, h, comp, data);
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});
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}
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#pragma endregion
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#pragma region General Getter Freer
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static CKBitmapHandler* FindHandlerByExt(const CKFileExtension& ext) {
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if (ext == g_BMPProperties.m_Ext) return new CKBitmapBMPHandler();
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if (ext == g_TGAProperties.m_Ext) return new CKBitmapTGAHandler();
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return nullptr;
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}
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static CKBitmapHandler* FindHandlerByGuid(const CKGUID& guid) {
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if (guid == g_BMPProperties.m_ReaderGuid) return new CKBitmapBMPHandler();
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if (guid == g_TGAProperties.m_ReaderGuid) return new CKBitmapTGAHandler();
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return nullptr;
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}
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CKBitmapHandler* CKBitmapHandler::GetBitmapHandler(const CKFileExtension& ext, const CKGUID& guid) {
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CKBitmapHandler* handler = nullptr;
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// check ext first
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handler = FindHandlerByExt(ext);
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if (handler != nullptr) return handler;
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// check guid
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handler = FindHandlerByGuid(guid);
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if (handler != nullptr) return handler;
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return nullptr;
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}
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std::unique_ptr<CKBitmapHandler, CKBitmapHandlerDeleter> CKBitmapHandler::GetBitmapHandlerWrapper(const CKFileExtension& ext, const CKGUID& guid) {
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return std::unique_ptr<CKBitmapHandler, CKBitmapHandlerDeleter>(GetBitmapHandler(ext, guid));
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}
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void CKBitmapHandlerDeleter::operator()(CKBitmapHandler* handler) {
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CKBitmapHandler::ReleaseBitmapHandler(handler);
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}
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void CKBitmapHandler::ReleaseBitmapHandler(CKBitmapHandler* handler) {
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if (handler != nullptr) delete handler;
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}
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#pragma endregion
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}
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