mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-26 00:26:52 +03:00
286 lines
6.4 KiB
C++
286 lines
6.4 KiB
C++
#include "kosSyst.h"
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#include "KosFile.h"
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#include "gfxdef.h"
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#include "crc32.h"
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extern "C" void __stdcall lzma_decompress(
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const void* source,
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void* destination,
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unsigned dest_length);
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struct export_item
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{
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const char* name;
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const void* func;
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};
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typedef void* (__stdcall *img_decode_t)(const void* data, unsigned len, void* parameters);
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typedef void (__stdcall *img_to_rgb2_t)(const void* image, void* destination);
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typedef void (__stdcall *img_destroy_t)(void* image);
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typedef void (__stdcall *img_lib_init_t)(void); // really fastcall with 4 args, but called from asm code
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img_lib_init_t img_lib_init = NULL;
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img_decode_t img_decode = NULL;
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img_to_rgb2_t img_to_rgb2 = NULL;
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img_destroy_t img_destroy = NULL;
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export_item* libini_exports = NULL;
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static const char libini_name[] = "/sys/lib/libimg.obj";
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extern "C" int strcmp(const char* str1, const char* str2);
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#pragma intrinsic(strcmp)
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void jpeg_decompress(
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const void* source,
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unsigned source_length,
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void* destination,
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unsigned dest_length)
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{
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if (!libini_exports)
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{
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__asm
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{
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mov eax, 68
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mov ebx, 19
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mov ecx, offset libini_name
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int 40h
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mov [libini_exports], eax
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}
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if (!libini_exports)
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{
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rtlDebugOutString("Cannot load libimg.obj");
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kos_ExitApp();
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}
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for (export_item* p = libini_exports; p->name; p++)
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{
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if (!strcmp(p->name,"lib_init"))
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img_lib_init = (img_lib_init_t)p->func;
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else if (!strcmp(p->name,"img_decode"))
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img_decode = (img_decode_t)p->func;
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else if (!strcmp(p->name,"img_to_rgb2"))
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img_to_rgb2 = (img_to_rgb2_t)p->func;
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else if (!strcmp(p->name,"img_destroy"))
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img_destroy = (img_destroy_t)p->func;
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}
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if (!img_lib_init || !img_decode || !img_to_rgb2 || !img_destroy)
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{
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rtlDebugOutString("Required exports were not found in libimg.obj");
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kos_ExitApp();
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}
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__asm
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{
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mov eax, offset kos_malloc
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mov ebx, offset kos_free
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mov ecx, offset kos_realloc
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call img_lib_init
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}
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}
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void* image = img_decode(source, source_length, NULL);
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if (!image)
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{
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rtlDebugOutString("JPEG error");
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kos_ExitApp();
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}
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img_to_rgb2(image, destination);
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img_destroy(image);
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}
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////// CKosBitmap
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CKosBitmap::CKosBitmap()
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{
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this->bmpID = -1;
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this->buffer = NULL;
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this->sizeX = 0;
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this->sizeY = 0;
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}
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CKosBitmap::~CKosBitmap()
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{
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if ( this->buffer != NULL ) delete this->buffer;
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}
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// <20><><EFBFBD><EFBFBD>㧪<EFBFBD> <20><> ᦠ⮣<E1A6A0> 䠩<><E4A0A9>
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bool CKosBitmap::LoadFromArch( SCompBmpHeader *bmpArchDesc, CKosFile *fromFile, int ID )
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{
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Byte *tmpBuff;
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//
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if ( this->buffer != NULL )
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{
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delete this->buffer;
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this->buffer = NULL;
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}
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//
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this->buffer = new RGB[bmpArchDesc->sizeX * bmpArchDesc->sizeY];
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//
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tmpBuff = new Byte[bmpArchDesc->compressedSize];
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//
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fromFile->Seek( SEEK_SET, bmpArchDesc->physicalOffset );
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if ( fromFile->Read( tmpBuff, bmpArchDesc->compressedSize ) == bmpArchDesc->compressedSize )
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{
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//
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if ( bmpArchDesc->compressedSize == bmpArchDesc->uncompressedSize+1)
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{
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// JPEG image
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jpeg_decompress( tmpBuff, bmpArchDesc->compressedSize,
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this->buffer, bmpArchDesc->sizeX * bmpArchDesc->sizeY * 3);
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}
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else if ( bmpArchDesc->compressedSize != bmpArchDesc->uncompressedSize )
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{
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// LZMA-packed BMP
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lzma_decompress( tmpBuff, this->buffer, bmpArchDesc->uncompressedSize);
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}
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else
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{
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//
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memcpy( (Byte *)(this->buffer), tmpBuff, bmpArchDesc->compressedSize );
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}
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//
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this->sizeX = bmpArchDesc->sizeX;
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this->sizeY = bmpArchDesc->sizeY;
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this->bmpID = ID;
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}
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//
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delete tmpBuff;
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//
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return true;
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}
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// <20>뢥<EFBFBD><EBA2A5><EFBFBD> <20> <20><><EFBFBD><EFBFBD> <20><><EFBFBD>⨭<EFBFBD><E2A8AD>
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void CKosBitmap::Draw( Word x, Word y )
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{
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//
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if ( this->buffer != NULL )
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//
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kos_PutImage( this->buffer, this->sizeX, this->sizeY, x, y );
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 㪠<><E3AAA0>⥫<EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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RGB * CKosBitmap::GetBits()
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{
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return this->buffer;
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ࠧ<><E0A0A7><EFBFBD> <20><><EFBFBD>⨭<EFBFBD><E2A8AD>
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void CKosBitmap::GetSize( Word &cx, Word &cy )
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{
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cx = this->sizeX;
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cy = this->sizeY;
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}
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// ᮧ<><E1AEA7><EFBFBD><EFBFBD> <20><><EFBFBD>⨭<EFBFBD><E2A8AD> <20><> <20><><EFBFBD><EFBFBD>襩
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void CKosBitmap::Scale(Word size, RGB *mainBits)
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{
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buffer = new RGB[(sizeX=blockSize)*(sizeY=blockSize*11)];
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memset((Byte*)buffer,0,3*blockSize*blockSize*11);
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RGB* tmpBuf = new RGB[blockSize*size];
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for (int k=0;k<11;k++)
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{
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int delta = (blockSize - size)/2;
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int i,j;
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int a;
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int d1 = blockSize/size;
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int d2 = (blockSize-d1*(size))*256/size;
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// ᣫ<><E1A3AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><>ਧ<EFBFBD><E0A8A7>⠫<EFBFBD>
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RGB* ptrBuf = tmpBuf;
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for (j=0;j<blockSize;j++)
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{
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RGB* srcBits = mainBits + blockSize*blockSize*(k+1) + blockSize*j;
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a = 0;
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for (i=0;i<size;i++)
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{
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ptrBuf->b = srcBits->b + (srcBits[1].b-srcBits[0].b)*a/256;
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ptrBuf->g = srcBits->g + (srcBits[1].g-srcBits[0].g)*a/256;
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ptrBuf->r = srcBits->r + (srcBits[1].r-srcBits[0].r)*a/256;
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ptrBuf++;
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srcBits += d1;
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a += d2;
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if (a >= 256)
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{
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a -= 256;
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srcBits++;
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}
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}
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}
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// ᣫ<><E1A3AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD>⨪<EFBFBD><E2A8AA><EFBFBD>
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for (j=0;j<size;j++)
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{
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ptrBuf = buffer + blockSize*blockSize*k + blockSize*delta + delta+j;
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RGB* srcBits = tmpBuf + j;
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a = 0;
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for (i=0;i<size;i++)
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{
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ptrBuf->b = srcBits->b + (srcBits[size].b-srcBits[0].b)*a/256;
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ptrBuf->g = srcBits->g + (srcBits[size].g-srcBits[0].g)*a/256;
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ptrBuf->r = srcBits->r + (srcBits[size].r-srcBits[0].r)*a/256;
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ptrBuf += blockSize;
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srcBits += d1*size;
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a += d2;
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if (a >= 256)
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{
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a -= 256;
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srcBits += size;
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}
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}
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}
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}
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delete tmpBuf;
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}
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////////////////////// CFishka ///////////////////////
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CFishka::CFishka( CKosBitmap *fromBmp, int yOffset, RGB insColour )
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{
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int i, c;
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//
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this->bits = fromBmp->GetBits() + (yOffset * blockSize);
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this->transColour = insColour;
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//
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this->highLighted = new RGB[blockSize * blockSize];
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//
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for ( i = 0; i < (blockSize * blockSize); i++ )
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{
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//
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this->highLighted[i] = this->bits[i];
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//
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if ( this->highLighted[i] != this->transColour )
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{
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c = ( this->highLighted[i].b * 185 ) / 100;
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this->highLighted[i].b = (c > 255) ? 255 : c;
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c = ( this->highLighted[i].g * 185 ) / 100;
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this->highLighted[i].g = (c > 255) ? 255 : c;
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c = ( this->highLighted[i].r * 185 ) / 100;
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this->highLighted[i].r = (c > 255) ? 255 : c;
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}
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}
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}
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//
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CFishka::~CFishka()
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{
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//
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delete this->highLighted;
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}
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//
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RGB * CFishka::GetBits()
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{
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return this->bits;
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}
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//
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RGB * CFishka::GetHighlightedBits()
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{
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return this->highLighted;
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}
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