1606 lines
45 KiB
C++
1606 lines
45 KiB
C++
// ==============================================================
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// This file is part of Glest Shared Library (www.glest.org)
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//
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// Copyright (C) 2001-2008 Martiño Figueroa
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//
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// You can redistribute this code and/or modify it under
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// the terms of the GNU General Public License as published
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// by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version
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// ==============================================================
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#include "math_wrapper.h"
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#include "pixmap.h"
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#include <stdexcept>
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#include <cstdio>
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#include <cassert>
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#include "util.h"
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#include "math_util.h"
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#include "randomgen.h"
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#include "FileReader.h"
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#include "ImageReaders.h"
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#include <png.h>
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#include <jpeglib.h>
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#include <setjmp.h>
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//#include <memory>
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#include "opengl.h"
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#include "leak_dumper.h"
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using namespace Shared::Util;
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using namespace std;
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using namespace Shared::Graphics::Gl;
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namespace Shared{ namespace Graphics{
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using namespace Util;
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// =====================================================
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// file structs
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// =====================================================
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#pragma pack(push, 1)
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struct BitmapFileHeader{
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uint8 type1;
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uint8 type2;
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uint32 size;
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uint16 reserved1;
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uint16 reserved2;
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uint32 offsetBits;
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};
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struct BitmapInfoHeader{
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uint32 size;
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int32 width;
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int32 height;
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uint16 planes;
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uint16 bitCount;
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uint32 compression;
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uint32 sizeImage;
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int32 xPelsPerMeter;
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int32 yPelsPerMeter;
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uint32 clrUsed;
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uint32 clrImportant;
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};
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struct TargaFileHeader{
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int8 idLength;
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int8 colourMapType;
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int8 dataTypeCode;
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int16 colourMapOrigin;
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int16 colourMapLength;
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int8 colourMapDepth;
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int16 xOrigin;
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int16 yOrigin;
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int16 width;
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int16 height;
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int8 bitsPerPixel;
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int8 imageDescriptor;
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};
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#pragma pack(pop)
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const int tgaUncompressedRgb= 2;
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const int tgaUncompressedBw= 3;
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void CalculatePixelsCRC(uint8 *pixels,std::size_t pixelByteCount, Checksum &crc) {
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// crc = Checksum();
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// for(std::size_t i = 0; i < pixelByteCount; ++i) {
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// crc.addByte(pixels[i]);
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// }
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}
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// =====================================================
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// class PixmapIoTga
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// =====================================================
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PixmapIoTga::PixmapIoTga() {
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file= NULL;
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}
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PixmapIoTga::~PixmapIoTga() {
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if(file != NULL) {
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fclose(file);
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file=NULL;
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}
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}
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void PixmapIoTga::openRead(const string &path) {
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try {
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#ifdef WIN32
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file= _wfopen(utf8_decode(path).c_str(), L"rb");
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#else
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file= fopen(path.c_str(),"rb");
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#endif
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if (file == NULL) {
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throw megaglest_runtime_error("Can't open TGA file: "+ path,true);
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}
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//read header
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TargaFileHeader fileHeader;
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size_t readBytes = fread(&fileHeader, sizeof(TargaFileHeader), 1, file);
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if(readBytes != 1) {
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char szBuf[8096]="";
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snprintf(szBuf,8096,"fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.",readBytes,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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static bool bigEndianSystem = Shared::PlatformByteOrder::isBigEndian();
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if(bigEndianSystem == true) {
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fileHeader.bitsPerPixel = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.bitsPerPixel);
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fileHeader.colourMapDepth = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.colourMapDepth);
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fileHeader.colourMapLength = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.colourMapDepth);
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fileHeader.colourMapOrigin = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.colourMapOrigin);
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fileHeader.colourMapType = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.colourMapType);
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fileHeader.dataTypeCode = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.dataTypeCode);
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fileHeader.height = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.height);
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fileHeader.idLength = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.idLength);
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fileHeader.imageDescriptor = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.imageDescriptor);
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fileHeader.width = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.width);
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}
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//check that we can load this tga file
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if(fileHeader.idLength != 0) {
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throw megaglest_runtime_error(path + ": id field is not 0",true);
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}
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if(fileHeader.dataTypeCode != tgaUncompressedRgb && fileHeader.dataTypeCode != tgaUncompressedBw) {
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throw megaglest_runtime_error(path + ": only uncompressed BW and RGB targa images are supported",true);
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}
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//check bits per pixel
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if(fileHeader.bitsPerPixel != 8 && fileHeader.bitsPerPixel != 24 && fileHeader.bitsPerPixel !=32) {
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throw megaglest_runtime_error(path + ": only 8, 24 and 32 bit targa images are supported",true);
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}
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h= fileHeader.height;
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w= fileHeader.width;
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components= fileHeader.bitsPerPixel / 8;
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}
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catch(megaglest_runtime_error& ex) {
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char szBuf[8096]="";
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snprintf(szBuf,8096,"Error in [%s] on line: %d msg: %s\n",extractFileFromDirectoryPath(__FILE__).c_str(),__LINE__,ex.what());
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throw megaglest_runtime_error(szBuf,!ex.wantStackTrace());
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}
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catch(exception& ex) {
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char szBuf[8096]="";
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snprintf(szBuf,8096,"Error in [%s] on line: %d msg: %s\n",extractFileFromDirectoryPath(__FILE__).c_str(),__LINE__,ex.what());
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throw megaglest_runtime_error(szBuf);
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}
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}
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void PixmapIoTga::read(uint8 *pixels) {
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read(pixels, components);
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}
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void PixmapIoTga::read(uint8 *pixels, int components) {
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try {
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static bool bigEndianSystem = Shared::PlatformByteOrder::isBigEndian();
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for(int i=0; i<h*w*components; i+=components) {
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uint8 r=0, g=0, b=0, a=0, l=0;
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if(this->components == 1) {
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size_t readBytes = fread(&l, 1, 1, file);
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if(readBytes != 1) {
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char szBuf[8096]="";
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snprintf(szBuf,8096,"fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.",readBytes,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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if(bigEndianSystem == true) {
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l = Shared::PlatformByteOrder::fromCommonEndian(l);
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}
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r= l;
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g= l;
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b= l;
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a= 255;
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}
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else {
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size_t readBytes = fread(&b, 1, 1, file);
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if(readBytes != 1) {
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char szBuf[8096]="";
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snprintf(szBuf,8096,"fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.",readBytes,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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if(bigEndianSystem == true) {
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b = Shared::PlatformByteOrder::fromCommonEndian(b);
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}
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readBytes = fread(&g, 1, 1, file);
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if(readBytes != 1) {
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char szBuf[8096]="";
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snprintf(szBuf,8096,"fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.",readBytes,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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if(bigEndianSystem == true) {
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g = Shared::PlatformByteOrder::fromCommonEndian(g);
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}
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readBytes = fread(&r, 1, 1, file);
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if(readBytes != 1) {
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char szBuf[8096]="";
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snprintf(szBuf,8096,"fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.",readBytes,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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if(bigEndianSystem == true) {
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r = Shared::PlatformByteOrder::fromCommonEndian(r);
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}
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if(this->components == 4) {
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readBytes = fread(&a, 1, 1, file);
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if(readBytes != 1) {
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char szBuf[8096]="";
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snprintf(szBuf,8096,"fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.",readBytes,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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if(bigEndianSystem == true) {
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a = Shared::PlatformByteOrder::fromCommonEndian(a);
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}
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}
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else {
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a= 255;
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}
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l= (r+g+b)/3;
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}
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switch(components) {
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case 1:
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pixels[i]= l;
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break;
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case 3:
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pixels[i]= r;
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pixels[i+1]= g;
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pixels[i+2]= b;
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break;
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case 4:
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pixels[i]= r;
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pixels[i+1]= g;
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pixels[i+2]= b;
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pixels[i+3]= a;
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break;
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}
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}
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}
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catch(megaglest_runtime_error& ex) {
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char szBuf[8096]="";
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snprintf(szBuf,8096,"Error in [%s] on line: %d msg: %s\n",extractFileFromDirectoryPath(__FILE__).c_str(),__LINE__,ex.what());
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throw megaglest_runtime_error(szBuf,!ex.wantStackTrace());
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}
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catch(exception& ex) {
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char szBuf[8096]="";
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snprintf(szBuf,8096,"Error in [%s] on line: %d msg: %s\n",extractFileFromDirectoryPath(__FILE__).c_str(),__LINE__,ex.what());
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throw megaglest_runtime_error(szBuf);
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}
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}
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void PixmapIoTga::openWrite(const string &path, int w, int h, int components) {
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this->w= w;
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this->h= h;
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this->components= components;
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#ifdef WIN32
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file= _wfopen(utf8_decode(path).c_str(), L"wb");
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#else
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file= fopen(path.c_str(),"wb");
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#endif
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if (file == NULL) {
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throw megaglest_runtime_error("Can't open TGA file: "+ path,true);
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}
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TargaFileHeader fileHeader;
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memset(&fileHeader, 0, sizeof(TargaFileHeader));
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fileHeader.dataTypeCode= components==1? tgaUncompressedBw: tgaUncompressedRgb;
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fileHeader.bitsPerPixel= components*8;
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fileHeader.width= w;
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fileHeader.height= h;
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fileHeader.imageDescriptor= components==4? 8: 0;
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static bool bigEndianSystem = Shared::PlatformByteOrder::isBigEndian();
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if(bigEndianSystem == true) {
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fileHeader.bitsPerPixel = Shared::PlatformByteOrder::toCommonEndian(fileHeader.bitsPerPixel);
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fileHeader.colourMapDepth = Shared::PlatformByteOrder::toCommonEndian(fileHeader.colourMapDepth);
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fileHeader.colourMapLength = Shared::PlatformByteOrder::toCommonEndian(fileHeader.colourMapDepth);
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fileHeader.colourMapOrigin = Shared::PlatformByteOrder::toCommonEndian(fileHeader.colourMapOrigin);
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fileHeader.colourMapType = Shared::PlatformByteOrder::toCommonEndian(fileHeader.colourMapType);
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fileHeader.dataTypeCode = Shared::PlatformByteOrder::toCommonEndian(fileHeader.dataTypeCode);
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fileHeader.height = Shared::PlatformByteOrder::toCommonEndian(fileHeader.height);
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fileHeader.idLength = Shared::PlatformByteOrder::toCommonEndian(fileHeader.idLength);
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fileHeader.imageDescriptor = Shared::PlatformByteOrder::toCommonEndian(fileHeader.imageDescriptor);
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fileHeader.width = Shared::PlatformByteOrder::toCommonEndian(fileHeader.width);
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}
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fwrite(&fileHeader, sizeof(TargaFileHeader), 1, file);
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}
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void PixmapIoTga::write(uint8 *pixels) {
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if(components == 1) {
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static bool bigEndianSystem = Shared::PlatformByteOrder::isBigEndian();
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if(bigEndianSystem == true) {
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Shared::PlatformByteOrder::toEndianTypeArray<uint8>(pixels,h*w);
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}
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fwrite(pixels, h*w, 1, file);
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}
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else {
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static bool bigEndianSystem = Shared::PlatformByteOrder::isBigEndian();
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if(bigEndianSystem == true) {
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Shared::PlatformByteOrder::toEndianTypeArray<uint8>(pixels,h*w*components);
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}
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for(int i=0; i<h*w*components; i+=components) {
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fwrite(&pixels[i+2], 1, 1, file);
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fwrite(&pixels[i+1], 1, 1, file);
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fwrite(&pixels[i], 1, 1, file);
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if(components==4){
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fwrite(&pixels[i+3], 1, 1, file);
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}
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}
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}
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}
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// =====================================================
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// class PixmapIoBmp
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// =====================================================
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PixmapIoBmp::PixmapIoBmp() {
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file= NULL;
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}
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PixmapIoBmp::~PixmapIoBmp() {
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if(file!=NULL){
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fclose(file);
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file=NULL;
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}
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}
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void PixmapIoBmp::openRead(const string &path){
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#ifdef WIN32
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file= _wfopen(utf8_decode(path).c_str(), L"rb");
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#else
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file= fopen(path.c_str(),"rb");
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#endif
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if (file==NULL){
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throw megaglest_runtime_error("Can't open BMP file: "+ path,true);
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}
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//read file header
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BitmapFileHeader fileHeader;
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size_t readBytes = fread(&fileHeader, sizeof(BitmapFileHeader), 1, file);
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if(readBytes != 1) {
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char szBuf[8096]="";
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snprintf(szBuf,8096,"fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.",readBytes,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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static bool bigEndianSystem = Shared::PlatformByteOrder::isBigEndian();
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if(bigEndianSystem == true) {
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fileHeader.offsetBits = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.offsetBits);
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fileHeader.reserved1 = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.reserved1);
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fileHeader.reserved2 = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.reserved2);
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fileHeader.size = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.size);
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fileHeader.type1 = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.type1);
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fileHeader.type2 = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.type2);
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}
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if(fileHeader.type1!='B' || fileHeader.type2!='M'){
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throw megaglest_runtime_error(path +" is not a bitmap",true);
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}
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//read info header
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BitmapInfoHeader infoHeader;
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readBytes = fread(&infoHeader, sizeof(BitmapInfoHeader), 1, file);
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if(readBytes != 1) {
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char szBuf[8096]="";
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snprintf(szBuf,8096,"fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.",readBytes,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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if(bigEndianSystem == true) {
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infoHeader.bitCount = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.bitCount);
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infoHeader.clrImportant = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.clrImportant);
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infoHeader.clrUsed = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.clrUsed);
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infoHeader.compression = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.compression);
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infoHeader.height = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.height);
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infoHeader.planes = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.planes);
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infoHeader.size = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.size);
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infoHeader.sizeImage = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.sizeImage);
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infoHeader.width = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.width);
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infoHeader.xPelsPerMeter = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.xPelsPerMeter);
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infoHeader.yPelsPerMeter = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.yPelsPerMeter);
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}
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if(infoHeader.bitCount!=24){
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throw megaglest_runtime_error(path+" is not a 24 bit bitmap",true);
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}
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h= infoHeader.height;
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w= infoHeader.width;
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components= 3;
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}
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void PixmapIoBmp::read(uint8 *pixels) {
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read(pixels, 3);
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}
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void PixmapIoBmp::read(uint8 *pixels, int components) {
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static bool bigEndianSystem = Shared::PlatformByteOrder::isBigEndian();
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for(int i=0; i<h*w*components; i+=components) {
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uint8 r, g, b;
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size_t readBytes = fread(&b, 1, 1, file);
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if(readBytes != 1) {
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char szBuf[8096]="";
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snprintf(szBuf,8096,"fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.",readBytes,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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if(bigEndianSystem == true) {
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b = Shared::PlatformByteOrder::fromCommonEndian(b);
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}
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readBytes = fread(&g, 1, 1, file);
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if(readBytes != 1) {
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char szBuf[8096]="";
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snprintf(szBuf,8096,"fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.",readBytes,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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if(bigEndianSystem == true) {
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g = Shared::PlatformByteOrder::fromCommonEndian(g);
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}
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readBytes = fread(&r, 1, 1, file);
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if(readBytes != 1) {
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char szBuf[8096]="";
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snprintf(szBuf,8096,"fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.",readBytes,__LINE__);
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throw megaglest_runtime_error(szBuf);
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}
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if(bigEndianSystem == true) {
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r = Shared::PlatformByteOrder::fromCommonEndian(r);
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}
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switch(components){
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case 1:
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pixels[i]= (r+g+b)/3;
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break;
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case 3:
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pixels[i]= r;
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pixels[i+1]= g;
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pixels[i+2]= b;
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break;
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case 4:
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pixels[i]= r;
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pixels[i+1]= g;
|
|
pixels[i+2]= b;
|
|
pixels[i+3]= 255;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void PixmapIoBmp::openWrite(const string &path, int w, int h, int components) {
|
|
this->w= w;
|
|
this->h= h;
|
|
this->components= components;
|
|
|
|
#ifdef WIN32
|
|
file= _wfopen(utf8_decode(path).c_str(), L"wb");
|
|
#else
|
|
file= fopen(path.c_str(),"wb");
|
|
#endif
|
|
if (file == NULL) {
|
|
throw megaglest_runtime_error("Can't open BMP file for writing: "+ path);
|
|
}
|
|
|
|
BitmapFileHeader fileHeader;
|
|
fileHeader.type1='B';
|
|
fileHeader.type2='M';
|
|
fileHeader.offsetBits=sizeof(BitmapFileHeader)+sizeof(BitmapInfoHeader);
|
|
fileHeader.size=sizeof(BitmapFileHeader)+sizeof(BitmapInfoHeader)+3*h*w;
|
|
fileHeader.reserved1 = 0;
|
|
fileHeader.reserved2 = 0;
|
|
|
|
static bool bigEndianSystem = Shared::PlatformByteOrder::isBigEndian();
|
|
if(bigEndianSystem == true) {
|
|
fileHeader.offsetBits = Shared::PlatformByteOrder::toCommonEndian(fileHeader.offsetBits);
|
|
fileHeader.reserved1 = Shared::PlatformByteOrder::toCommonEndian(fileHeader.reserved1);
|
|
fileHeader.reserved2 = Shared::PlatformByteOrder::toCommonEndian(fileHeader.reserved2);
|
|
fileHeader.size = Shared::PlatformByteOrder::toCommonEndian(fileHeader.size);
|
|
fileHeader.type1 = Shared::PlatformByteOrder::toCommonEndian(fileHeader.type1);
|
|
fileHeader.type2 = Shared::PlatformByteOrder::toCommonEndian(fileHeader.type2);
|
|
}
|
|
|
|
fwrite(&fileHeader, sizeof(BitmapFileHeader), 1, file);
|
|
|
|
//info header
|
|
BitmapInfoHeader infoHeader;
|
|
infoHeader.bitCount=24;
|
|
infoHeader.clrImportant=0;
|
|
infoHeader.clrUsed=0;
|
|
infoHeader.compression=0;
|
|
infoHeader.height= h;
|
|
infoHeader.planes=1;
|
|
infoHeader.size=sizeof(BitmapInfoHeader);
|
|
infoHeader.sizeImage=0;
|
|
infoHeader.width= w;
|
|
infoHeader.xPelsPerMeter= 0;
|
|
infoHeader.yPelsPerMeter= 0;
|
|
|
|
if(bigEndianSystem == true) {
|
|
infoHeader.bitCount = Shared::PlatformByteOrder::toCommonEndian(infoHeader.bitCount);
|
|
infoHeader.clrImportant = Shared::PlatformByteOrder::toCommonEndian(infoHeader.clrImportant);
|
|
infoHeader.clrUsed = Shared::PlatformByteOrder::toCommonEndian(infoHeader.clrUsed);
|
|
infoHeader.compression = Shared::PlatformByteOrder::toCommonEndian(infoHeader.compression);
|
|
infoHeader.height = Shared::PlatformByteOrder::toCommonEndian(infoHeader.height);
|
|
infoHeader.planes = Shared::PlatformByteOrder::toCommonEndian(infoHeader.planes);
|
|
infoHeader.size = Shared::PlatformByteOrder::toCommonEndian(infoHeader.size);
|
|
infoHeader.sizeImage = Shared::PlatformByteOrder::toCommonEndian(infoHeader.sizeImage);
|
|
infoHeader.width = Shared::PlatformByteOrder::toCommonEndian(infoHeader.width);
|
|
infoHeader.xPelsPerMeter = Shared::PlatformByteOrder::toCommonEndian(infoHeader.xPelsPerMeter);
|
|
infoHeader.yPelsPerMeter = Shared::PlatformByteOrder::toCommonEndian(infoHeader.yPelsPerMeter);
|
|
}
|
|
|
|
fwrite(&infoHeader, sizeof(BitmapInfoHeader), 1, file);
|
|
}
|
|
|
|
void PixmapIoBmp::write(uint8 *pixels) {
|
|
static bool bigEndianSystem = Shared::PlatformByteOrder::isBigEndian();
|
|
if(bigEndianSystem == true) {
|
|
Shared::PlatformByteOrder::toEndianTypeArray<uint8>(pixels,h*w*components);
|
|
}
|
|
|
|
for (int i=0; i<h*w*components; i+=components){
|
|
fwrite(&pixels[i+2], 1, 1, file);
|
|
fwrite(&pixels[i+1], 1, 1, file);
|
|
fwrite(&pixels[i], 1, 1, file);
|
|
}
|
|
}
|
|
|
|
// =====================================================
|
|
// class PixmapIoPng
|
|
// =====================================================
|
|
|
|
PixmapIoPng::PixmapIoPng() {
|
|
file= NULL;
|
|
}
|
|
|
|
PixmapIoPng::~PixmapIoPng() {
|
|
if(file!=NULL){
|
|
fclose(file);
|
|
file=NULL;
|
|
}
|
|
}
|
|
|
|
void PixmapIoPng::openRead(const string &path) {
|
|
throw megaglest_runtime_error("PixmapIoPng::openRead not implemented!");
|
|
}
|
|
|
|
void PixmapIoPng::read(uint8 *pixels) {
|
|
throw megaglest_runtime_error("PixmapIoPng::read not implemented!");
|
|
}
|
|
|
|
void PixmapIoPng::read(uint8 *pixels, int components) {
|
|
|
|
throw megaglest_runtime_error("PixmapIoPng::read #2 not implemented!");
|
|
}
|
|
|
|
void PixmapIoPng::openWrite(const string &path, int w, int h, int components) {
|
|
this->path = path;
|
|
this->w= w;
|
|
this->h= h;
|
|
this->components= components;
|
|
|
|
#ifdef WIN32
|
|
file= _wfopen(utf8_decode(path).c_str(), L"wb");
|
|
#else
|
|
file= fopen(path.c_str(),"wb");
|
|
#endif
|
|
if (file == NULL) {
|
|
throw megaglest_runtime_error("Can't open PNG file for writing: "+ path);
|
|
}
|
|
}
|
|
|
|
void PixmapIoPng::write(uint8 *pixels) {
|
|
// initialize stuff
|
|
png_bytep *imrow = new png_bytep[h];
|
|
//png_bytep *imrow = (png_bytep*) malloc(sizeof(png_bytep) * height);
|
|
for(int i = 0; i < h; ++i) {
|
|
imrow[i] = pixels + (h-1-i) * w * components;
|
|
}
|
|
|
|
png_structp imgp = png_create_write_struct(PNG_LIBPNG_VER_STRING,0,0,0);
|
|
png_infop infop = png_create_info_struct(imgp);
|
|
png_init_io(imgp, file);
|
|
|
|
int color_type = PNG_COLOR_TYPE_RGB;
|
|
if(components == 4) {
|
|
color_type = PNG_COLOR_TYPE_RGBA;
|
|
}
|
|
png_set_IHDR(imgp, infop, w, h,
|
|
8, color_type, PNG_INTERLACE_NONE,
|
|
PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
|
|
|
|
// write file
|
|
png_write_info(imgp, infop);
|
|
png_write_image(imgp, imrow);
|
|
png_write_end(imgp, NULL);
|
|
|
|
delete [] imrow;
|
|
}
|
|
|
|
// =====================================================
|
|
// class PixmapIoJpg
|
|
// =====================================================
|
|
|
|
PixmapIoJpg::PixmapIoJpg() {
|
|
file= NULL;
|
|
}
|
|
|
|
PixmapIoJpg::~PixmapIoJpg() {
|
|
if(file!=NULL){
|
|
fclose(file);
|
|
file=NULL;
|
|
}
|
|
}
|
|
|
|
void PixmapIoJpg::openRead(const string &path) {
|
|
throw megaglest_runtime_error("PixmapIoJpg::openRead not implemented!");
|
|
}
|
|
|
|
void PixmapIoJpg::read(uint8 *pixels) {
|
|
throw megaglest_runtime_error("PixmapIoJpg::read not implemented!");
|
|
}
|
|
|
|
void PixmapIoJpg::read(uint8 *pixels, int components) {
|
|
|
|
throw megaglest_runtime_error("PixmapIoJpg::read #2 not implemented!");
|
|
}
|
|
|
|
void PixmapIoJpg::openWrite(const string &path, int w, int h, int components) {
|
|
this->path = path;
|
|
this->w= w;
|
|
this->h= h;
|
|
this->components= components;
|
|
|
|
#ifdef WIN32
|
|
file= _wfopen(utf8_decode(path).c_str(), L"wb");
|
|
#else
|
|
file= fopen(path.c_str(),"wb");
|
|
#endif
|
|
if (file == NULL) {
|
|
throw megaglest_runtime_error("Can't open JPG file for writing: "+ path);
|
|
}
|
|
}
|
|
|
|
void PixmapIoJpg::write(uint8 *pixels) {
|
|
/*
|
|
* alpha channel is not supported for jpeg. strip it.
|
|
*/
|
|
unsigned char * tmpbytes = NULL;
|
|
if(components == 4) {
|
|
int n = w * h;
|
|
unsigned char *dst = tmpbytes = (unsigned char *) malloc(n*3);
|
|
if(dst != NULL) {
|
|
const unsigned char *src = pixels;
|
|
for (int i = 0; i < n; i++) {
|
|
*dst++ = *src++;
|
|
*dst++ = *src++;
|
|
*dst++ = *src++;
|
|
src++;
|
|
}
|
|
}
|
|
components = 3;
|
|
}
|
|
|
|
struct jpeg_compress_struct cinfo;
|
|
struct jpeg_error_mgr jerr;
|
|
|
|
/* this is a pointer to one row of image data */
|
|
JSAMPROW row_pointer[1];
|
|
|
|
cinfo.err = jpeg_std_error( &jerr );
|
|
jpeg_create_compress(&cinfo);
|
|
jpeg_stdio_dest(&cinfo, file);
|
|
|
|
/* Setting the parameters of the output file here */
|
|
cinfo.image_width = w;
|
|
cinfo.image_height = h;
|
|
cinfo.input_components = 3; // no alpha channel for jpeg
|
|
cinfo.in_color_space = JCS_RGB;
|
|
/* default compression parameters, we shouldn't be worried about these */
|
|
jpeg_set_defaults( &cinfo );
|
|
/* Now do the compression .. */
|
|
jpeg_start_compress( &cinfo, TRUE );
|
|
|
|
/* use stripped alpha channel bytes */
|
|
if(tmpbytes) {
|
|
pixels = tmpbytes;
|
|
}
|
|
|
|
// OpenGL writes from bottom to top.
|
|
// libjpeg goes from top to bottom.
|
|
// flip lines.
|
|
uint8 *flip = (uint8 *)malloc(sizeof(uint8) * w * h * 3);
|
|
|
|
if(pixels != NULL && flip != NULL) {
|
|
for (int y = 0;y < h; ++y) {
|
|
for (int x = 0;x < w; ++x) {
|
|
flip[(y * w + x) * 3] = pixels[((h - 1 - y) * w + x) * 3];
|
|
flip[(y * w + x) * 3 + 1] = pixels[((h - 1 - y) * w + x) * 3 + 1];
|
|
flip[(y * w + x) * 3 + 2] = pixels[((h - 1 - y) * w + x) * 3 + 2];
|
|
}
|
|
}
|
|
|
|
/* like reading a file, this time write one row at a time */
|
|
while( cinfo.next_scanline < cinfo.image_height ) {
|
|
row_pointer[0] = &flip[ cinfo.next_scanline * cinfo.image_width * cinfo.input_components];
|
|
jpeg_write_scanlines( &cinfo, row_pointer, 1 );
|
|
}
|
|
}
|
|
if (tmpbytes) {
|
|
free(tmpbytes);
|
|
tmpbytes=NULL;
|
|
}
|
|
if(flip) {
|
|
free(flip);
|
|
flip=NULL;
|
|
}
|
|
|
|
/* similar to read file, clean up after we're done compressing */
|
|
jpeg_finish_compress( &cinfo );
|
|
jpeg_destroy_compress( &cinfo );
|
|
//fclose( outfile );
|
|
/* success code is 1! */
|
|
}
|
|
|
|
// =====================================================
|
|
// class Pixmap1D
|
|
// =====================================================
|
|
|
|
|
|
// ===================== PUBLIC ========================
|
|
|
|
Pixmap1D::Pixmap1D() {
|
|
if(GlobalStaticFlags::getIsNonGraphicalModeEnabled() == true) {
|
|
throw megaglest_runtime_error("Loading graphics in headless server mode not allowed!");
|
|
}
|
|
|
|
|
|
w= -1;
|
|
components= -1;
|
|
pixels= NULL;
|
|
}
|
|
|
|
Pixmap1D::Pixmap1D(int components) {
|
|
if(GlobalStaticFlags::getIsNonGraphicalModeEnabled() == true) {
|
|
throw megaglest_runtime_error("Loading graphics in headless server mode not allowed!");
|
|
}
|
|
|
|
|
|
init(components);
|
|
}
|
|
|
|
Pixmap1D::Pixmap1D(int w, int components) {
|
|
if(GlobalStaticFlags::getIsNonGraphicalModeEnabled() == true) {
|
|
throw megaglest_runtime_error("Loading graphics in headless server mode not allowed!");
|
|
}
|
|
|
|
|
|
init(w, components);
|
|
}
|
|
|
|
void Pixmap1D::init(int components){
|
|
this->w= -1;
|
|
this->components= components;
|
|
pixels= NULL;
|
|
CalculatePixelsCRC(pixels,0, crc);
|
|
}
|
|
|
|
void Pixmap1D::init(int w, int components){
|
|
this->w= w;
|
|
this->components= components;
|
|
pixels= new uint8[getPixelByteCount()];
|
|
CalculatePixelsCRC(pixels,0, crc);
|
|
}
|
|
|
|
std::size_t Pixmap1D::getPixelByteCount() const {
|
|
return (w * components);
|
|
}
|
|
|
|
void Pixmap1D::deletePixels() {
|
|
delete [] pixels;
|
|
pixels = NULL;
|
|
}
|
|
|
|
Pixmap1D::~Pixmap1D(){
|
|
deletePixels();
|
|
}
|
|
|
|
void Pixmap1D::load(const string &path) {
|
|
string extension= path.substr(path.find_last_of('.')+1);
|
|
if(extension=="bmp") {
|
|
loadBmp(path);
|
|
}
|
|
else if(extension=="tga") {
|
|
loadTga(path);
|
|
}
|
|
else {
|
|
throw megaglest_runtime_error("Unknown pixmap extension: " + extension);
|
|
}
|
|
this->path = path;
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
}
|
|
|
|
void Pixmap1D::loadBmp(const string &path) {
|
|
this->path = path;
|
|
|
|
PixmapIoBmp plb;
|
|
plb.openRead(path);
|
|
|
|
//init
|
|
if(plb.getH()==1) {
|
|
w= plb.getW();
|
|
}
|
|
else if(plb.getW()==1) {
|
|
w= plb.getH();
|
|
}
|
|
else {
|
|
throw megaglest_runtime_error("One of the texture dimensions must be 1");
|
|
}
|
|
|
|
if(components == -1) {
|
|
components= 3;
|
|
}
|
|
if(pixels == NULL) {
|
|
pixels= new uint8[getPixelByteCount()];
|
|
}
|
|
|
|
//data
|
|
plb.read(pixels, components);
|
|
}
|
|
|
|
void Pixmap1D::loadTga(const string &path) {
|
|
this->path = path;
|
|
|
|
PixmapIoTga plt;
|
|
plt.openRead(path);
|
|
|
|
//init
|
|
if(plt.getH()==1) {
|
|
w= plt.getW();
|
|
}
|
|
else if(plt.getW()==1) {
|
|
w= plt.getH();
|
|
}
|
|
else {
|
|
throw megaglest_runtime_error("One of the texture dimensions must be 1");
|
|
}
|
|
|
|
int fileComponents= plt.getComponents();
|
|
|
|
if(components == -1) {
|
|
components= fileComponents;
|
|
}
|
|
if(pixels == NULL) {
|
|
pixels= new uint8[getPixelByteCount()];
|
|
}
|
|
|
|
//read data
|
|
plt.read(pixels, components);
|
|
}
|
|
|
|
// =====================================================
|
|
// class Pixmap2D
|
|
// =====================================================
|
|
|
|
// ===================== PUBLIC ========================
|
|
|
|
Pixmap2D::Pixmap2D() {
|
|
if(GlobalStaticFlags::getIsNonGraphicalModeEnabled() == true) {
|
|
throw megaglest_runtime_error("Loading graphics in headless server mode not allowed!");
|
|
}
|
|
|
|
h= -1;
|
|
w= -1;
|
|
components= -1;
|
|
pixels= NULL;
|
|
}
|
|
|
|
Pixmap2D::Pixmap2D(int components) {
|
|
if(GlobalStaticFlags::getIsNonGraphicalModeEnabled() == true) {
|
|
throw megaglest_runtime_error("Loading graphics in headless server mode not allowed!");
|
|
}
|
|
|
|
h= -1;
|
|
w= -1;
|
|
this->components= -1;
|
|
pixels= NULL;
|
|
|
|
init(components);
|
|
}
|
|
|
|
Pixmap2D::Pixmap2D(int w, int h, int components) {
|
|
if(GlobalStaticFlags::getIsNonGraphicalModeEnabled() == true) {
|
|
throw megaglest_runtime_error("Loading graphics in headless server mode not allowed!");
|
|
}
|
|
|
|
this->h= 0;
|
|
this->w= -1;
|
|
this->components= -1;
|
|
pixels= NULL;
|
|
|
|
init(w, h, components);
|
|
}
|
|
|
|
void Pixmap2D::init(int components) {
|
|
this->w= -1;
|
|
this->h= -1;
|
|
this->components= components;
|
|
deletePixels();
|
|
pixels= NULL;
|
|
CalculatePixelsCRC(pixels,0, crc);
|
|
}
|
|
|
|
void Pixmap2D::init(int w, int h, int components) {
|
|
this->w= w;
|
|
this->h= h;
|
|
this->components= components;
|
|
deletePixels();
|
|
|
|
if(getPixelByteCount() <= 0 || (h <= 0 || w <= 0 || components <= 0)) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap dimensions for [%s], h = %d, w = %d, components = %d\n",path.c_str(),h,w,components);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
pixels= new uint8[getPixelByteCount()];
|
|
CalculatePixelsCRC(pixels,0, crc);
|
|
}
|
|
|
|
std::size_t Pixmap2D::getPixelByteCount() const {
|
|
return (h * w * components);
|
|
}
|
|
|
|
void Pixmap2D::deletePixels() {
|
|
if(pixels) {
|
|
delete [] pixels;
|
|
pixels = NULL;
|
|
}
|
|
}
|
|
|
|
Pixmap2D::~Pixmap2D() {
|
|
deletePixels();
|
|
}
|
|
|
|
void Pixmap2D::Scale(int format, int newW, int newH) {
|
|
int useComponents = this->getComponents();
|
|
int originalW = w;
|
|
int originalH = h;
|
|
uint8 *newpixels= new uint8[newW * newH * useComponents];
|
|
|
|
glPixelStorei(GL_PACK_ALIGNMENT, 1);
|
|
GLenum glErr = gluScaleImage( format,
|
|
w, h, GL_UNSIGNED_BYTE, pixels,
|
|
newW, newH, GL_UNSIGNED_BYTE, newpixels);
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
|
|
|
|
if(glErr == GL_NO_ERROR) {
|
|
init(newW,newH,this->components);
|
|
pixels = newpixels;
|
|
|
|
if(SystemFlags::VERBOSE_MODE_ENABLED) printf("Scaled image from [%d x %d] to [%d x %d]\n",originalW,originalH,w,h);
|
|
}
|
|
else {
|
|
const char *errorString= reinterpret_cast<const char*>(gluErrorString(glErr));
|
|
printf("ERROR Scaling image from [%d x %d] to [%d x %d] error: %u [%s]\n",originalW,originalH,w,h,glErr,errorString);
|
|
|
|
assertGlWithErrorNumber(glErr);
|
|
}
|
|
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
}
|
|
|
|
Pixmap2D* Pixmap2D::loadPath(const string& path) {
|
|
//printf("Loading Pixmap2D [%s]\n",path.c_str());
|
|
|
|
Pixmap2D *pixmap = FileReader<Pixmap2D>::readPath(path);
|
|
if(pixmap != NULL) {
|
|
pixmap->path = path;
|
|
CalculatePixelsCRC(pixmap->pixels,pixmap->getPixelByteCount(), pixmap->crc);
|
|
}
|
|
return pixmap;
|
|
}
|
|
|
|
void Pixmap2D::load(const string &path) {
|
|
//printf("Loading Pixmap2D [%s]\n",path.c_str());
|
|
|
|
FileReader<Pixmap2D>::readPath(path,this);
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
this->path = path;
|
|
}
|
|
|
|
void Pixmap2D::save(const string &path) {
|
|
string extension= path.substr(path.find_last_of('.')+1);
|
|
if(toLower(extension) == "bmp") {
|
|
saveBmp(path);
|
|
}
|
|
else if(toLower(extension) == "tga") {
|
|
saveTga(path);
|
|
}
|
|
else if(toLower(extension) == "jpg") {
|
|
saveJpg(path);
|
|
}
|
|
else if(toLower(extension) == "png") {
|
|
savePng(path);
|
|
}
|
|
else {
|
|
throw megaglest_runtime_error("Unknown pixmap extension: " + extension);
|
|
}
|
|
}
|
|
|
|
void Pixmap2D::saveBmp(const string &path) {
|
|
PixmapIoBmp psb;
|
|
psb.openWrite(path, w, h, components);
|
|
psb.write(pixels);
|
|
}
|
|
|
|
void Pixmap2D::saveTga(const string &path) {
|
|
PixmapIoTga pst;
|
|
pst.openWrite(path, w, h, components);
|
|
pst.write(pixels);
|
|
}
|
|
|
|
void Pixmap2D::saveJpg(const string &path) {
|
|
PixmapIoJpg pst;
|
|
pst.openWrite(path, w, h, components);
|
|
pst.write(pixels);
|
|
}
|
|
|
|
void Pixmap2D::savePng(const string &path) {
|
|
PixmapIoPng pst;
|
|
pst.openWrite(path, w, h, components);
|
|
pst.write(pixels);
|
|
}
|
|
|
|
void Pixmap2D::getPixel(int x, int y, uint8 *value) const {
|
|
for(int i=0; i<components; ++i){
|
|
std::size_t index = (w*y+x)*components+i;
|
|
if(index >= getPixelByteCount()) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap index: " MG_SIZE_T_SPECIFIER " for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",index,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
|
|
value[i]= pixels[index];
|
|
}
|
|
}
|
|
|
|
void Pixmap2D::getPixel(int x, int y, float32 *value) const {
|
|
for(int i = 0; i < components; ++i) {
|
|
std::size_t index = (w * y + x) * components + i;
|
|
if(index >= getPixelByteCount()) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap index: " MG_SIZE_T_SPECIFIER " for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",index,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
|
|
value[i] = pixels[index] / 255.f;
|
|
}
|
|
}
|
|
|
|
void Pixmap2D::getComponent(int x, int y, int component, uint8 &value) const {
|
|
std::size_t index = (w*y+x)*components+component;
|
|
if(index >= getPixelByteCount()) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap index: " MG_SIZE_T_SPECIFIER " for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",index,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
|
|
value = pixels[index];
|
|
}
|
|
|
|
void Pixmap2D::getComponent(int x, int y, int component, float32 &value) const {
|
|
std::size_t index = (w*y+x)*components+component;
|
|
if(index >= getPixelByteCount()) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap index: " MG_SIZE_T_SPECIFIER " for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",index,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
|
|
value= pixels[index] / 255.f;
|
|
}
|
|
|
|
//vector get
|
|
Vec4f Pixmap2D::getPixel4f(int x, int y) const {
|
|
Vec4f v(0.f);
|
|
for(int i=0; i<components && i<4; ++i){
|
|
std::size_t index = (w*y+x)*components+i;
|
|
if(index >= getPixelByteCount()) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap index: " MG_SIZE_T_SPECIFIER " for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",index,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
|
|
v.ptr()[i]= pixels[index] / 255.f;
|
|
}
|
|
return v;
|
|
}
|
|
|
|
Vec3f Pixmap2D::getPixel3f(int x, int y) const {
|
|
Vec3f v(0.f);
|
|
for(int i=0; i<components && i<3; ++i){
|
|
std::size_t index = (w*y+x)*components+i;
|
|
if(index >= getPixelByteCount()) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap index: " MG_SIZE_T_SPECIFIER " for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",index,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
|
|
v.ptr()[i]= pixels[index] / 255.f;
|
|
}
|
|
return v;
|
|
}
|
|
|
|
float Pixmap2D::getPixelf(int x, int y) const {
|
|
std::size_t index = (w * y + x) * components;
|
|
if(index >= getPixelByteCount()) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap index: " MG_SIZE_T_SPECIFIER " for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",index,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
return pixels[index] / 255.f;
|
|
}
|
|
|
|
float Pixmap2D::getComponentf(int x, int y, int component) const {
|
|
float c=0;
|
|
getComponent(x, y, component, c);
|
|
return c;
|
|
}
|
|
|
|
void Pixmap2D::setPixel(int x, int y, const uint8 *value, int arraySize) {
|
|
if(arraySize > components) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap arraySize: %d for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",arraySize,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
for(int i = 0; i < components; ++i) {
|
|
std::size_t index = (w * y + x) * components + i;
|
|
if(index >= getPixelByteCount()) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap index: " MG_SIZE_T_SPECIFIER " for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",index,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
|
|
pixels[index]= value[i];
|
|
}
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
}
|
|
|
|
void Pixmap2D::setPixel(int x, int y, const float32 *value, int arraySize) {
|
|
if(arraySize > components) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap arraySize: %d for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",arraySize,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
|
|
for(int i = 0; i < components; ++i) {
|
|
std::size_t index = (w*y+x)*components+i;
|
|
if(index >= getPixelByteCount()) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap index: " MG_SIZE_T_SPECIFIER " for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",index,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
pixels[index] = static_cast<uint8>(value[i] * 255.f);
|
|
}
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
}
|
|
|
|
void Pixmap2D::setComponent(int x, int y, int component, uint8 value) {
|
|
std::size_t index = (w*y+x)*components+component;
|
|
if(index >= getPixelByteCount()) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap index: " MG_SIZE_T_SPECIFIER " for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",index,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
|
|
pixels[index] = value;
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
}
|
|
|
|
void Pixmap2D::setComponent(int x, int y, int component, float32 value) {
|
|
std::size_t index = (w*y+x)*components+component;
|
|
if(index >= getPixelByteCount()) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap index: " MG_SIZE_T_SPECIFIER " for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",index,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
|
|
pixels[index] = static_cast<uint8>(value * 255.f);
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
}
|
|
|
|
//vector set
|
|
void Pixmap2D::setPixel(int x, int y, const Vec3f &p) {
|
|
for(int i = 0; i < components && i < 3; ++i) {
|
|
std::size_t index = (w*y+x)*components+i;
|
|
if(index >= getPixelByteCount()) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap index: " MG_SIZE_T_SPECIFIER " for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",index,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
pixels[index] = static_cast<uint8>(p.ptr()[i] * 255.f);
|
|
}
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
}
|
|
|
|
void Pixmap2D::setPixel(int x, int y, const Vec4f &p) {
|
|
for(int i = 0; i < components && i < 4; ++i) {
|
|
std::size_t index = (w*y+x)*components+i;
|
|
if(index >= getPixelByteCount()) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap index: " MG_SIZE_T_SPECIFIER " for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",index,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
pixels[index] = static_cast<uint8>(p.ptr()[i] * 255.f);
|
|
}
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
}
|
|
|
|
void Pixmap2D::setPixel(int x, int y, float p) {
|
|
std::size_t index = (w * y + x) * components;
|
|
if(index >= getPixelByteCount()) {
|
|
char szBuf[8096];
|
|
snprintf(szBuf,8096,"Invalid pixmap index: " MG_SIZE_T_SPECIFIER " for [%s], h = %d, w = %d, components = %d x = %d y = %d\n",index,path.c_str(),h,w,components,x,y);
|
|
throw megaglest_runtime_error(szBuf);
|
|
}
|
|
|
|
pixels[index] = static_cast<uint8>(p * 255.f);
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
}
|
|
|
|
void Pixmap2D::setPixels(const uint8 *value, int arraySize) {
|
|
for(int i = 0; i < w; ++i) {
|
|
for(int j = 0; j < h; ++j) {
|
|
setPixel(i, j, value, arraySize);
|
|
}
|
|
}
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
}
|
|
|
|
void Pixmap2D::setPixels(const float32 *value, int arraySize) {
|
|
for(int i = 0; i < w; ++i) {
|
|
for(int j = 0; j < h; ++j) {
|
|
setPixel(i, j, value, arraySize);
|
|
}
|
|
}
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
}
|
|
|
|
void Pixmap2D::setComponents(int component, uint8 value){
|
|
assert(component<components);
|
|
for(int i=0; i<w; ++i){
|
|
for(int j=0; j<h; ++j){
|
|
setComponent(i, j, component, value);
|
|
}
|
|
}
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
}
|
|
|
|
void Pixmap2D::setComponents(int component, float32 value){
|
|
assert(component<components);
|
|
for(int i=0; i<w; ++i){
|
|
for(int j=0; j<h; ++j){
|
|
setComponent(i, j, component, value);
|
|
}
|
|
}
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
}
|
|
|
|
float splatDist(Vec2i a, Vec2i b){
|
|
return (max(abs(a.x-b.x),abs(a.y- b.y)) + 3.f*a.dist(b))/4.f;
|
|
}
|
|
|
|
void Pixmap2D::splat(const Pixmap2D *leftUp, const Pixmap2D *rightUp, const Pixmap2D *leftDown, const Pixmap2D *rightDown){
|
|
|
|
RandomGen random;
|
|
|
|
assert(components==3 || components==4);
|
|
|
|
if(
|
|
!doDimensionsAgree(leftUp) ||
|
|
!doDimensionsAgree(rightUp) ||
|
|
!doDimensionsAgree(leftDown) ||
|
|
!doDimensionsAgree(rightDown))
|
|
{
|
|
throw megaglest_runtime_error("Pixmap2D::splat: pixmap dimensions don't agree");
|
|
}
|
|
|
|
for(int i=0; i<w; ++i){
|
|
for(int j=0; j<h; ++j){
|
|
|
|
float avg= (w+h)/2.f;
|
|
|
|
float distLu= splatDist(Vec2i(i, j), Vec2i(0, 0));
|
|
float distRu= splatDist(Vec2i(i, j), Vec2i(w, 0));
|
|
float distLd= splatDist(Vec2i(i, j), Vec2i(0, h));
|
|
float distRd= splatDist(Vec2i(i, j), Vec2i(w, h));
|
|
|
|
const float powFactor= 2.0f;
|
|
|
|
distLu = std::pow(distLu, powFactor);
|
|
distRu = std::pow(distRu, powFactor);
|
|
distLd = std::pow(distLd, powFactor);
|
|
distRd = std::pow(distRd, powFactor);
|
|
avg = std::pow(avg, powFactor);
|
|
|
|
float lu= distLu>avg? 0: ((avg-distLu))*random.randRange(0.5f, 1.0f);
|
|
float ru= distRu>avg? 0: ((avg-distRu))*random.randRange(0.5f, 1.0f);
|
|
float ld= distLd>avg? 0: ((avg-distLd))*random.randRange(0.5f, 1.0f);
|
|
float rd= distRd>avg? 0: ((avg-distRd))*random.randRange(0.5f, 1.0f);
|
|
|
|
float total= lu+ru+ld+rd;
|
|
|
|
Vec4f pix= (leftUp->getPixel4f(i, j)*lu+
|
|
rightUp->getPixel4f(i, j)*ru+
|
|
leftDown->getPixel4f(i, j)*ld+
|
|
rightDown->getPixel4f(i, j)*rd)*(1.0f/total);
|
|
|
|
setPixel(i, j, pix);
|
|
}
|
|
}
|
|
}
|
|
|
|
void Pixmap2D::lerp(float t, const Pixmap2D *pixmap1, const Pixmap2D *pixmap2){
|
|
if(
|
|
!doDimensionsAgree(pixmap1) ||
|
|
!doDimensionsAgree(pixmap2))
|
|
{
|
|
throw megaglest_runtime_error("Pixmap2D::lerp: pixmap dimensions don't agree");
|
|
}
|
|
|
|
for(int i=0; i<w; ++i){
|
|
for(int j=0; j<h; ++j){
|
|
setPixel(i, j, pixmap1->getPixel4f(i, j).lerp(t, pixmap2->getPixel4f(i, j)));
|
|
}
|
|
}
|
|
}
|
|
|
|
void Pixmap2D::copy(const Pixmap2D *sourcePixmap){
|
|
|
|
assert(components==sourcePixmap->getComponents());
|
|
|
|
if(w!=sourcePixmap->getW() || h!=sourcePixmap->getH()){
|
|
throw megaglest_runtime_error("Pixmap2D::copy() dimensions must agree");
|
|
}
|
|
memcpy(pixels, sourcePixmap->getPixels(), w*h*sourcePixmap->getComponents());
|
|
this->path = sourcePixmap->path;
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
}
|
|
|
|
void Pixmap2D::subCopy(int x, int y, const Pixmap2D *sourcePixmap){
|
|
assert(components==sourcePixmap->getComponents());
|
|
|
|
if(w<sourcePixmap->getW() && h<sourcePixmap->getH()){
|
|
throw megaglest_runtime_error("Pixmap2D::subCopy(), bad dimensions");
|
|
}
|
|
|
|
uint8 *pixel= new uint8[components];
|
|
|
|
for(int i = 0; i < sourcePixmap->getW(); ++i) {
|
|
for(int j = 0; j < sourcePixmap->getH(); ++j) {
|
|
sourcePixmap->getPixel(i, j, pixel);
|
|
setPixel(i+x, j+y, pixel, components);
|
|
}
|
|
}
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
|
|
delete [] pixel;
|
|
}
|
|
|
|
// uses a a part of a bigger source image to fill this image.
|
|
void Pixmap2D::copyImagePart(int x, int y, const Pixmap2D *sourcePixmap){
|
|
assert(components==sourcePixmap->getComponents());
|
|
|
|
if(x+w>sourcePixmap->getW() && y+h>sourcePixmap->getH()){
|
|
throw megaglest_runtime_error("Pixmap2D::copyImagePart(), bad dimensions");
|
|
}
|
|
|
|
uint8 *pixel= new uint8[components];
|
|
|
|
for(int i = x; i < x + w; ++i) {
|
|
for(int j = y; j < y + h; ++j) {
|
|
sourcePixmap->getPixel(i, j, pixel);
|
|
setPixel(i-x, j-y, pixel, components);
|
|
}
|
|
}
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
|
|
delete [] pixel;
|
|
}
|
|
|
|
bool Pixmap2D::doDimensionsAgree(const Pixmap2D *pixmap){
|
|
return pixmap->getW() == w && pixmap->getH() == h;
|
|
}
|
|
|
|
// =====================================================
|
|
// class Pixmap3D
|
|
// =====================================================
|
|
|
|
Pixmap3D::Pixmap3D() {
|
|
if(GlobalStaticFlags::getIsNonGraphicalModeEnabled() == true) {
|
|
throw megaglest_runtime_error("Loading graphics in headless server mode not allowed!");
|
|
}
|
|
|
|
|
|
w= -1;
|
|
h= -1;
|
|
d= -1;
|
|
components= -1;
|
|
pixels = NULL;
|
|
slice=0;
|
|
}
|
|
|
|
Pixmap3D::Pixmap3D(int w, int h, int d, int components) {
|
|
if(GlobalStaticFlags::getIsNonGraphicalModeEnabled() == true) {
|
|
throw megaglest_runtime_error("Loading graphics in headless server mode not allowed!");
|
|
}
|
|
|
|
pixels = NULL;
|
|
slice=0;
|
|
init(w, h, d, components);
|
|
}
|
|
|
|
Pixmap3D::Pixmap3D(int d, int components) {
|
|
if(GlobalStaticFlags::getIsNonGraphicalModeEnabled() == true) {
|
|
throw megaglest_runtime_error("Loading graphics in headless server mode not allowed!");
|
|
}
|
|
|
|
pixels = NULL;
|
|
slice=0;
|
|
init(d, components);
|
|
}
|
|
|
|
void Pixmap3D::init(int w, int h, int d, int components){
|
|
this->w= w;
|
|
this->h= h;
|
|
this->d= d;
|
|
this->components= components;
|
|
pixels= new uint8[getPixelByteCount()];
|
|
CalculatePixelsCRC(pixels,0, crc);
|
|
}
|
|
|
|
std::size_t Pixmap3D::getPixelByteCount() const {
|
|
return (h * w * d * components);
|
|
}
|
|
|
|
void Pixmap3D::init(int d, int components){
|
|
this->w= -1;
|
|
this->h= -1;
|
|
this->d= d;
|
|
this->components= components;
|
|
pixels= NULL;
|
|
CalculatePixelsCRC(pixels,0, crc);
|
|
}
|
|
|
|
void Pixmap3D::init(int components) {
|
|
this->w= -1;
|
|
this->h= -1;
|
|
this->d= -1;
|
|
this->components= components;
|
|
pixels= NULL;
|
|
CalculatePixelsCRC(pixels,0, crc);
|
|
}
|
|
|
|
void Pixmap3D::deletePixels() {
|
|
delete [] pixels;
|
|
pixels = NULL;
|
|
}
|
|
|
|
Pixmap3D::~Pixmap3D() {
|
|
deletePixels();
|
|
}
|
|
|
|
void Pixmap3D::loadSlice(const string &path, int slice) {
|
|
this->slice = slice;
|
|
string extension= path.substr(path.find_last_of('.') + 1);
|
|
if(extension == "png") {
|
|
loadSlicePng(path, slice);
|
|
}
|
|
else if(extension == "bmp") {
|
|
loadSliceBmp(path, slice);
|
|
}
|
|
else if(extension == "tga") {
|
|
loadSliceTga(path, slice);
|
|
}
|
|
else {
|
|
throw megaglest_runtime_error("Unknown pixmap extension: "+extension);
|
|
}
|
|
this->path = path;
|
|
CalculatePixelsCRC(pixels,getPixelByteCount(), crc);
|
|
}
|
|
|
|
void Pixmap3D::loadSlicePng(const string &path, int slice) {
|
|
this->path = path;
|
|
|
|
//deletePixels();
|
|
//Pixmap3D *pixmap = FileReader<Pixmap3D>::readPath(path,this);
|
|
FileReader<Pixmap3D>::readPath(path,this);
|
|
//printf("Loading 3D pixmap PNG [%s] pixmap [%p] this [%p]\n",path.c_str(),pixmap, this);
|
|
}
|
|
|
|
void Pixmap3D::loadSliceBmp(const string &path, int slice){
|
|
this->path = path;
|
|
|
|
PixmapIoBmp plb;
|
|
plb.openRead(path);
|
|
|
|
//init
|
|
w= plb.getW();
|
|
h= plb.getH();
|
|
if(components==-1){
|
|
components= 3;
|
|
}
|
|
if(pixels==NULL){
|
|
pixels= new uint8[getPixelByteCount()];
|
|
}
|
|
|
|
//data
|
|
plb.read(&pixels[slice*w*h*components], components);
|
|
}
|
|
|
|
void Pixmap3D::loadSliceTga(const string &path, int slice){
|
|
this->path = path;
|
|
|
|
//deletePixels();
|
|
FileReader<Pixmap3D>::readPath(path,this);
|
|
//printf("Loading 3D pixmap TGA [%s] this [%p]\n",path.c_str(),this);
|
|
}
|
|
|
|
// =====================================================
|
|
// class PixmapCube
|
|
// =====================================================
|
|
PixmapCube::PixmapCube() {
|
|
if(GlobalStaticFlags::getIsNonGraphicalModeEnabled() == true) {
|
|
throw megaglest_runtime_error("Loading graphics in headless server mode not allowed!");
|
|
}
|
|
|
|
}
|
|
|
|
PixmapCube::~PixmapCube() {
|
|
|
|
}
|
|
|
|
void PixmapCube::init(int w, int h, int components) {
|
|
for(int i=0; i<6; ++i) {
|
|
faces[i].init(w, h, components);
|
|
}
|
|
}
|
|
|
|
void PixmapCube::init(int components) {
|
|
for(int i=0; i<6; ++i) {
|
|
faces[i].init(components);
|
|
}
|
|
}
|
|
|
|
std::size_t PixmapCube::getPixelByteCount() const {
|
|
std::size_t result = 0;
|
|
for(int i=0; i<6; ++i) {
|
|
result += faces[i].getPixelByteCount();
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
//load & save
|
|
void PixmapCube::loadFace(const string &path, int face) {
|
|
this->path[face] = path;
|
|
|
|
faces[face].load(path);
|
|
}
|
|
|
|
void PixmapCube::deletePixels() {
|
|
for(int i=0; i<6; ++i){
|
|
faces[i].deletePixels();
|
|
}
|
|
}
|
|
|
|
|
|
}}//end namespace
|