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glest-source/source/shared_lib/sources/graphics/pixmap.cpp
mathusummut 35b7b1f1a6 Fixed the god-awful indentation
2018-05-06 00:01:36 +02:00

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// ==============================================================
// This file is part of Glest Shared Library (www.glest.org)
//
// Copyright (C) 2001-2008 Martiño Figueroa
//
// You can redistribute this code and/or modify it under
// the terms of the GNU General Public License as published
// by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version
// ==============================================================
#include "math_wrapper.h"
#include "pixmap.h"
#include <stdexcept>
#include <cstdio>
#include <cassert>
#include "util.h"
#include "math_util.h"
#include "randomgen.h"
#include "FileReader.h"
#include "ImageReaders.h"
#include <png.h>
#include <jpeglib.h>
#include <setjmp.h>
//#include <memory>
#include "opengl.h"
#include "leak_dumper.h"
using namespace Shared::Util;
using namespace std;
using namespace Shared::Graphics::Gl;
namespace Shared {
namespace Graphics {
using namespace Util;
// =====================================================
// file structs
// =====================================================
#pragma pack(push, 1)
struct BitmapFileHeader {
uint8 type1;
uint8 type2;
uint32 size;
uint16 reserved1;
uint16 reserved2;
uint32 offsetBits;
};
struct BitmapInfoHeader {
uint32 size;
int32 width;
int32 height;
uint16 planes;
uint16 bitCount;
uint32 compression;
uint32 sizeImage;
int32 xPelsPerMeter;
int32 yPelsPerMeter;
uint32 clrUsed;
uint32 clrImportant;
};
struct TargaFileHeader {
int8 idLength;
int8 colourMapType;
int8 dataTypeCode;
int16 colourMapOrigin;
int16 colourMapLength;
int8 colourMapDepth;
int16 xOrigin;
int16 yOrigin;
int16 width;
int16 height;
int8 bitsPerPixel;
int8 imageDescriptor;
};
#pragma pack(pop)
const int tgaUncompressedRgb = 2;
const int tgaUncompressedBw = 3;
void CalculatePixelsCRC(uint8 *pixels, std::size_t pixelByteCount, Checksum &crc) {
// crc = Checksum();
// for(std::size_t i = 0; i < pixelByteCount; ++i) {
// crc.addByte(pixels[i]);
// }
}
// =====================================================
// class PixmapIoTga
// =====================================================
PixmapIoTga::PixmapIoTga() {
file = NULL;
}
PixmapIoTga::~PixmapIoTga() {
if (file != NULL) {
fclose(file);
file = NULL;
}
}
void PixmapIoTga::openRead(const string &path) {
try {
#ifdef WIN32
file = _wfopen(utf8_decode(path).c_str(), L"rb");
#else
file = fopen(path.c_str(), "rb");
#endif
if (file == NULL) {
throw megaglest_runtime_error("Can't open TGA file: " + path, true);
}
//read header
TargaFileHeader fileHeader;
size_t readBytes = fread(&fileHeader, sizeof(TargaFileHeader), 1, file);
if (readBytes != 1) {
char szBuf[8096] = "";
snprintf(szBuf, 8096, "fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.", readBytes, __LINE__);
throw megaglest_runtime_error(szBuf);
}
static bool bigEndianSystem = Shared::PlatformByteOrder::isBigEndian();
if (bigEndianSystem == true) {
fileHeader.bitsPerPixel = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.bitsPerPixel);
fileHeader.colourMapDepth = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.colourMapDepth);
fileHeader.colourMapLength = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.colourMapDepth);
fileHeader.colourMapOrigin = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.colourMapOrigin);
fileHeader.colourMapType = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.colourMapType);
fileHeader.dataTypeCode = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.dataTypeCode);
fileHeader.height = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.height);
fileHeader.idLength = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.idLength);
fileHeader.imageDescriptor = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.imageDescriptor);
fileHeader.width = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.width);
}
//check that we can load this tga file
if (fileHeader.idLength != 0) {
throw megaglest_runtime_error(path + ": id field is not 0", true);
}
if (fileHeader.dataTypeCode != tgaUncompressedRgb && fileHeader.dataTypeCode != tgaUncompressedBw) {
throw megaglest_runtime_error(path + ": only uncompressed BW and RGB targa images are supported", true);
}
//check bits per pixel
if (fileHeader.bitsPerPixel != 8 && fileHeader.bitsPerPixel != 24 && fileHeader.bitsPerPixel != 32) {
throw megaglest_runtime_error(path + ": only 8, 24 and 32 bit targa images are supported", true);
}
h = fileHeader.height;
w = fileHeader.width;
components = fileHeader.bitsPerPixel / 8;
} catch (megaglest_runtime_error& ex) {
char szBuf[8096] = "";
snprintf(szBuf, 8096, "Error in [%s] on line: %d msg: %s\n", extractFileFromDirectoryPath(__FILE__).c_str(), __LINE__, ex.what());
throw megaglest_runtime_error(szBuf, !ex.wantStackTrace());
} catch (exception& ex) {
char szBuf[8096] = "";
snprintf(szBuf, 8096, "Error in [%s] on line: %d msg: %s\n", extractFileFromDirectoryPath(__FILE__).c_str(), __LINE__, ex.what());
throw megaglest_runtime_error(szBuf);
}
}
void PixmapIoTga::read(uint8 *pixels) {
read(pixels, components);
}
void PixmapIoTga::read(uint8 *pixels, int components) {
try {
static bool bigEndianSystem = Shared::PlatformByteOrder::isBigEndian();
for (int i = 0; i < h*w*components; i += components) {
uint8 r = 0, g = 0, b = 0, a = 0, l = 0;
if (this->components == 1) {
size_t readBytes = fread(&l, 1, 1, file);
if (readBytes != 1) {
char szBuf[8096] = "";
snprintf(szBuf, 8096, "fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.", readBytes, __LINE__);
throw megaglest_runtime_error(szBuf);
}
if (bigEndianSystem == true) {
l = Shared::PlatformByteOrder::fromCommonEndian(l);
}
r = l;
g = l;
b = l;
a = 255;
} else {
size_t readBytes = fread(&b, 1, 1, file);
if (readBytes != 1) {
char szBuf[8096] = "";
snprintf(szBuf, 8096, "fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.", readBytes, __LINE__);
throw megaglest_runtime_error(szBuf);
}
if (bigEndianSystem == true) {
b = Shared::PlatformByteOrder::fromCommonEndian(b);
}
readBytes = fread(&g, 1, 1, file);
if (readBytes != 1) {
char szBuf[8096] = "";
snprintf(szBuf, 8096, "fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.", readBytes, __LINE__);
throw megaglest_runtime_error(szBuf);
}
if (bigEndianSystem == true) {
g = Shared::PlatformByteOrder::fromCommonEndian(g);
}
readBytes = fread(&r, 1, 1, file);
if (readBytes != 1) {
char szBuf[8096] = "";
snprintf(szBuf, 8096, "fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.", readBytes, __LINE__);
throw megaglest_runtime_error(szBuf);
}
if (bigEndianSystem == true) {
r = Shared::PlatformByteOrder::fromCommonEndian(r);
}
if (this->components == 4) {
readBytes = fread(&a, 1, 1, file);
if (readBytes != 1) {
char szBuf[8096] = "";
snprintf(szBuf, 8096, "fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.", readBytes, __LINE__);
throw megaglest_runtime_error(szBuf);
}
if (bigEndianSystem == true) {
a = Shared::PlatformByteOrder::fromCommonEndian(a);
}
} else {
a = 255;
}
l = (r + g + b) / 3;
}
switch (components) {
case 1:
pixels[i] = l;
break;
case 3:
pixels[i] = r;
pixels[i + 1] = g;
pixels[i + 2] = b;
break;
case 4:
pixels[i] = r;
pixels[i + 1] = g;
pixels[i + 2] = b;
pixels[i + 3] = a;
break;
}
}
} catch (megaglest_runtime_error& ex) {
char szBuf[8096] = "";
snprintf(szBuf, 8096, "Error in [%s] on line: %d msg: %s\n", extractFileFromDirectoryPath(__FILE__).c_str(), __LINE__, ex.what());
throw megaglest_runtime_error(szBuf, !ex.wantStackTrace());
} catch (exception& ex) {
char szBuf[8096] = "";
snprintf(szBuf, 8096, "Error in [%s] on line: %d msg: %s\n", extractFileFromDirectoryPath(__FILE__).c_str(), __LINE__, ex.what());
throw megaglest_runtime_error(szBuf);
}
}
void PixmapIoTga::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 TGA file: " + path, true);
}
TargaFileHeader fileHeader;
memset(&fileHeader, 0, sizeof(TargaFileHeader));
fileHeader.dataTypeCode = components == 1 ? tgaUncompressedBw : tgaUncompressedRgb;
fileHeader.bitsPerPixel = components * 8;
fileHeader.width = w;
fileHeader.height = h;
fileHeader.imageDescriptor = components == 4 ? 8 : 0;
static bool bigEndianSystem = Shared::PlatformByteOrder::isBigEndian();
if (bigEndianSystem == true) {
fileHeader.bitsPerPixel = Shared::PlatformByteOrder::toCommonEndian(fileHeader.bitsPerPixel);
fileHeader.colourMapDepth = Shared::PlatformByteOrder::toCommonEndian(fileHeader.colourMapDepth);
fileHeader.colourMapLength = Shared::PlatformByteOrder::toCommonEndian(fileHeader.colourMapDepth);
fileHeader.colourMapOrigin = Shared::PlatformByteOrder::toCommonEndian(fileHeader.colourMapOrigin);
fileHeader.colourMapType = Shared::PlatformByteOrder::toCommonEndian(fileHeader.colourMapType);
fileHeader.dataTypeCode = Shared::PlatformByteOrder::toCommonEndian(fileHeader.dataTypeCode);
fileHeader.height = Shared::PlatformByteOrder::toCommonEndian(fileHeader.height);
fileHeader.idLength = Shared::PlatformByteOrder::toCommonEndian(fileHeader.idLength);
fileHeader.imageDescriptor = Shared::PlatformByteOrder::toCommonEndian(fileHeader.imageDescriptor);
fileHeader.width = Shared::PlatformByteOrder::toCommonEndian(fileHeader.width);
}
fwrite(&fileHeader, sizeof(TargaFileHeader), 1, file);
}
void PixmapIoTga::write(uint8 *pixels) {
if (components == 1) {
static bool bigEndianSystem = Shared::PlatformByteOrder::isBigEndian();
if (bigEndianSystem == true) {
Shared::PlatformByteOrder::toEndianTypeArray<uint8>(pixels, h*w);
}
fwrite(pixels, h*w, 1, file);
} else {
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);
if (components == 4) {
fwrite(&pixels[i + 3], 1, 1, file);
}
}
}
}
// =====================================================
// class PixmapIoBmp
// =====================================================
PixmapIoBmp::PixmapIoBmp() {
file = NULL;
}
PixmapIoBmp::~PixmapIoBmp() {
if (file != NULL) {
fclose(file);
file = NULL;
}
}
void PixmapIoBmp::openRead(const string &path) {
#ifdef WIN32
file = _wfopen(utf8_decode(path).c_str(), L"rb");
#else
file = fopen(path.c_str(), "rb");
#endif
if (file == NULL) {
throw megaglest_runtime_error("Can't open BMP file: " + path, true);
}
//read file header
BitmapFileHeader fileHeader;
size_t readBytes = fread(&fileHeader, sizeof(BitmapFileHeader), 1, file);
if (readBytes != 1) {
char szBuf[8096] = "";
snprintf(szBuf, 8096, "fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.", readBytes, __LINE__);
throw megaglest_runtime_error(szBuf);
}
static bool bigEndianSystem = Shared::PlatformByteOrder::isBigEndian();
if (bigEndianSystem == true) {
fileHeader.offsetBits = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.offsetBits);
fileHeader.reserved1 = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.reserved1);
fileHeader.reserved2 = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.reserved2);
fileHeader.size = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.size);
fileHeader.type1 = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.type1);
fileHeader.type2 = Shared::PlatformByteOrder::fromCommonEndian(fileHeader.type2);
}
if (fileHeader.type1 != 'B' || fileHeader.type2 != 'M') {
throw megaglest_runtime_error(path + " is not a bitmap", true);
}
//read info header
BitmapInfoHeader infoHeader;
readBytes = fread(&infoHeader, sizeof(BitmapInfoHeader), 1, file);
if (readBytes != 1) {
char szBuf[8096] = "";
snprintf(szBuf, 8096, "fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.", readBytes, __LINE__);
throw megaglest_runtime_error(szBuf);
}
if (bigEndianSystem == true) {
infoHeader.bitCount = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.bitCount);
infoHeader.clrImportant = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.clrImportant);
infoHeader.clrUsed = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.clrUsed);
infoHeader.compression = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.compression);
infoHeader.height = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.height);
infoHeader.planes = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.planes);
infoHeader.size = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.size);
infoHeader.sizeImage = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.sizeImage);
infoHeader.width = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.width);
infoHeader.xPelsPerMeter = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.xPelsPerMeter);
infoHeader.yPelsPerMeter = Shared::PlatformByteOrder::fromCommonEndian(infoHeader.yPelsPerMeter);
}
if (infoHeader.bitCount != 24) {
throw megaglest_runtime_error(path + " is not a 24 bit bitmap", true);
}
h = infoHeader.height;
w = infoHeader.width;
components = 3;
}
void PixmapIoBmp::read(uint8 *pixels) {
read(pixels, 3);
}
void PixmapIoBmp::read(uint8 *pixels, int components) {
static bool bigEndianSystem = Shared::PlatformByteOrder::isBigEndian();
for (int i = 0; i < h*w*components; i += components) {
uint8 r, g, b;
size_t readBytes = fread(&b, 1, 1, file);
if (readBytes != 1) {
char szBuf[8096] = "";
snprintf(szBuf, 8096, "fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.", readBytes, __LINE__);
throw megaglest_runtime_error(szBuf);
}
if (bigEndianSystem == true) {
b = Shared::PlatformByteOrder::fromCommonEndian(b);
}
readBytes = fread(&g, 1, 1, file);
if (readBytes != 1) {
char szBuf[8096] = "";
snprintf(szBuf, 8096, "fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.", readBytes, __LINE__);
throw megaglest_runtime_error(szBuf);
}
if (bigEndianSystem == true) {
g = Shared::PlatformByteOrder::fromCommonEndian(g);
}
readBytes = fread(&r, 1, 1, file);
if (readBytes != 1) {
char szBuf[8096] = "";
snprintf(szBuf, 8096, "fread returned wrong size = " MG_SIZE_T_SPECIFIER " on line: %d.", readBytes, __LINE__);
throw megaglest_runtime_error(szBuf);
}
if (bigEndianSystem == true) {
r = Shared::PlatformByteOrder::fromCommonEndian(r);
}
switch (components) {
case 1:
pixels[i] = (r + g + b) / 3;
break;
case 3:
pixels[i] = r;
pixels[i + 1] = g;
pixels[i + 2] = b;
break;
case 4:
pixels[i] = r;
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.empty() == false ? path.substr(path.find_last_of('.') + 1) : "");
if (toLower(extension) == "bmp") {
loadBmp(path);
} else if (toLower(extension) == "tga") {
loadTga(path);
} else {
throw megaglest_runtime_error("Unknown pixmap extension [" + extension + "] file [" + path + "]");
}
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.empty() == false ? 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 + "] file [" + path + "]");
}
}
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);
}
float result = pixels[index] / 255.f;
return truncateDecimal<float>(result, 6);
}
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.empty() == false ? path.substr(path.find_last_of('.') + 1) : "");
if (toLower(extension) == "png") {
loadSlicePng(path, slice);
} else if (toLower(extension) == "bmp") {
loadSliceBmp(path, slice);
} else if (toLower(extension) == "tga") {
loadSliceTga(path, slice);
} else {
throw megaglest_runtime_error("Unknown pixmap extension [" + extension + "] file [" + path + "]");
}
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
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