itdominator/SWBF2-Classic-Msh-Viewer
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

improved performance using my own tga load function always instead of QImage

Browse Source 
improved Profiler
This commit is contained in:
Anakin
2017-01-30 16:00:14 +01:00
parent d1c68e8ba6
commit 4342260e6d
4 changed files with 125 additions and 119 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
QtMeshViewer/Header/Profiler.h
View File

@@ -2,9 +2,10 @@
#ifdef _DEBUG
#include <QElapsedTimer.h>
#include <QString>
#include <iostream>
#define TIC Profiler::getInstance().startTimer();
#define TOC Profiler::getInstance().takeTime();
#define TIC(val) Profiler::getInstance().startTimer(val);
#define TOC(val) Profiler::getInstance().takeTime(val);
class Profiler
{
@@ -21,16 +22,17 @@
return instance;
}
void startTimer() {
void startTimer(QString position = "") {
std::cout << "from: " << position.toStdString() << std::endl;
timer.restart();
};
void takeTime() {
std::cout << "time elapsed: " << timer.elapsed() << std::endl;
void takeTime(QString position = "") {
std::cout << "to: "<< position.toStdString() << " time elapsed: " << timer.elapsed() << std::endl;
};
};
#else
#define TIC
#define TOC
#define TIC(val)
#define TOC(val)
#endif

217
QtMeshViewer/Header/tga.h
View File

@@ -3,137 +3,136 @@
#include <QImage>
#include <QColor>
#include "..\Header\Profiler.h"
QImage loadTga(QString filePath, bool &success)
{
QImage img;
if (!img.load(filePath))
// open the file
std::fstream fsPicture(filePath.toStdString().c_str(), std::ios::in | std::ios::binary);
if (!fsPicture.is_open())
{
img = QImage(1, 1, QImage::Format_RGB32);
img.fill(Qt::red);
success = false;
return img;
}
// open the file
std::fstream fsPicture(filePath.toStdString().c_str(), std::ios::in | std::ios::binary);
// read in the header
std::uint8_t ui8x18Header[19] = { 0 };
fsPicture.read(reinterpret_cast<char*>(&ui8x18Header), sizeof(ui8x18Header) - 1);
if (!fsPicture.is_open())
//get variables
std::uint32_t ui32BpP;
std::uint32_t ui32Width;
std::uint32_t ui32Height;
std::uint32_t ui32IDLength;
std::uint32_t ui32PicType;
std::uint32_t ui32PaletteLength;
std::uint32_t ui32Size;
// extract all information from header
ui32IDLength = ui8x18Header[0];
ui32PicType = ui8x18Header[2];
ui32PaletteLength = ui8x18Header[6] * 0x100 + ui8x18Header[5];
ui32Width = ui8x18Header[13] * 0x100 + ui8x18Header[12];
ui32Height = ui8x18Header[15] * 0x100 + ui8x18Header[14];
ui32BpP = ui8x18Header[16];
// calculate some more information
ui32Size = ui32Width * ui32Height * ui32BpP / 8;
// jump to the data block
fsPicture.seekg(ui32IDLength + ui32PaletteLength, std::ios_base::cur);
img = QImage(ui32Width, ui32Height, ui32BpP == 32? QImage::Format_RGBA8888 : QImage::Format_RGB888);
// uncompressed
if (ui32PicType == 2 && (ui32BpP == 24 || ui32BpP == 32))
{
std::vector<std::uint8_t> vui8Pixels;
vui8Pixels.resize(ui32Size);
fsPicture.read(reinterpret_cast<char*>(vui8Pixels.data()), ui32Size);
for (unsigned int y = 0; y < ui32Height; y++)
{
img = QImage(1, 1, QImage::Format_RGB32);
img.fill(Qt::red);
success = false;
return img;
}
// read in the header
std::uint8_t ui8x18Header[19] = { 0 };
fsPicture.read(reinterpret_cast<char*>(&ui8x18Header), sizeof(ui8x18Header) - 1);
//get variables
std::uint32_t ui32BpP;
std::uint32_t ui32Width;
std::uint32_t ui32Height;
std::uint32_t ui32IDLength;
std::uint32_t ui32PicType;
std::uint32_t ui32PaletteLength;
std::uint32_t ui32Size;
// extract all information from header
ui32IDLength = ui8x18Header[0];
ui32PicType = ui8x18Header[2];
ui32PaletteLength = ui8x18Header[6] * 0x100 + ui8x18Header[5];
ui32Width = ui8x18Header[13] * 0x100 + ui8x18Header[12];
ui32Height = ui8x18Header[15] * 0x100 + ui8x18Header[14];
ui32BpP = ui8x18Header[16];
// calculate some more information
ui32Size = ui32Width * ui32Height * ui32BpP / 8;
// jump to the data block
fsPicture.seekg(ui32IDLength + ui32PaletteLength, std::ios_base::cur);
img = QImage(ui32Width, ui32Height, ui32BpP == 32? QImage::Format_RGBA8888 : QImage::Format_RGB888);
// uncompressed
if (ui32PicType == 2 && (ui32BpP == 24 || ui32BpP == 32))
{
std::vector<std::uint8_t> vui8Pixels;
vui8Pixels.resize(ui32Size);
fsPicture.read(reinterpret_cast<char*>(vui8Pixels.data()), ui32Size);
for (unsigned int y = 0; y < ui32Height; y++)
for (unsigned int x = 0; x < ui32Width; x++)
{
for (unsigned int x = 0; x < ui32Width; x++)
{
int valr = vui8Pixels.at(y * ui32Width * ui32BpP / 8 + x * ui32BpP / 8 + 2);
int valg = vui8Pixels.at(y * ui32Width * ui32BpP / 8 + x * ui32BpP / 8 + 1);
int valb = vui8Pixels.at(y * ui32Width * ui32BpP / 8 + x * ui32BpP / 8);
int valr = vui8Pixels.at(y * ui32Width * ui32BpP / 8 + x * ui32BpP / 8 + 2);
int valg = vui8Pixels.at(y * ui32Width * ui32BpP / 8 + x * ui32BpP / 8 + 1);
int valb = vui8Pixels.at(y * ui32Width * ui32BpP / 8 + x * ui32BpP / 8);
QColor value(valr, valg, valb);
img.setPixel(x, ui32Width - 1 - y, value.rgba());
}
QColor value(valr, valg, valb);
img.setPixel(x, ui32Width - 1 - y, value.rgba());
}
}
// else if compressed 24 or 32 bit
else if (ui32PicType == 10 && (ui32BpP == 24 || ui32BpP == 32)) // compressed
{
std::uint8_t tempChunkHeader;
std::uint8_t tempData[5];
unsigned int tmp_pixelIndex = 0;
}
// else if compressed 24 or 32 bit
else if (ui32PicType == 10 && (ui32BpP == 24 || ui32BpP == 32)) // compressed
{
std::uint8_t tempChunkHeader;
std::uint8_t tempData[5];
unsigned int tmp_pixelIndex = 0;
do {
fsPicture.read(reinterpret_cast<char*>(&tempChunkHeader), sizeof(tempChunkHeader));
do {
fsPicture.read(reinterpret_cast<char*>(&tempChunkHeader), sizeof(tempChunkHeader));
if (tempChunkHeader >> 7) // repeat count
if (tempChunkHeader >> 7) // repeat count
{
// just use the first 7 bits
tempChunkHeader = (uint8_t(tempChunkHeader << 1) >> 1);
fsPicture.read(reinterpret_cast<char*>(&tempData), ui32BpP / 8);
for (int i = 0; i <= tempChunkHeader; i++)
{
// just use the first 7 bits
tempChunkHeader = (uint8_t(tempChunkHeader << 1) >> 1);
QColor color;
if (ui32BpP == 32)
color.setRgba(qRgba(tempData[2], tempData[1], tempData[0], tempData[3]));
else
color.setRgb(qRgb(tempData[2], tempData[1], tempData[0]));
img.setPixel(tmp_pixelIndex % ui32Width, ui32Height - 1 - (tmp_pixelIndex / ui32Width), color.rgba());
tmp_pixelIndex++;
}
}
else // data count
{
// just use the first 7 bits
tempChunkHeader = (uint8_t(tempChunkHeader << 1) >> 1);
for (int i = 0; i <= tempChunkHeader; i++)
{
fsPicture.read(reinterpret_cast<char*>(&tempData), ui32BpP / 8);
for (int i = 0; i <= tempChunkHeader; i++)
{
QColor color;
QColor color;
if (ui32BpP == 32)
color.setRgba(qRgba(tempData[2], tempData[1], tempData[0], tempData[3]));
else
color.setRgb(qRgb(tempData[2], tempData[1], tempData[0]));
if (ui32BpP == 32)
color.setRgba(qRgba(tempData[2], tempData[1], tempData[0], tempData[3]));
else
color.setRgb(qRgb(tempData[2], tempData[1], tempData[0]));
img.setPixel(tmp_pixelIndex % ui32Width, ui32Height - 1 - (tmp_pixelIndex / ui32Width), color.rgba());
tmp_pixelIndex++;
}
img.setPixel(tmp_pixelIndex % ui32Width, ui32Height - 1 - (tmp_pixelIndex / ui32Width), color.rgba());
tmp_pixelIndex++;
}
else // data count
{
// just use the first 7 bits
tempChunkHeader = (uint8_t(tempChunkHeader << 1) >> 1);
for (int i = 0; i <= tempChunkHeader; i++)
{
fsPicture.read(reinterpret_cast<char*>(&tempData), ui32BpP / 8);
QColor color;
if (ui32BpP == 32)
color.setRgba(qRgba(tempData[2], tempData[1], tempData[0], tempData[3]));
else
color.setRgb(qRgb(tempData[2], tempData[1], tempData[0]));
img.setPixel(tmp_pixelIndex % ui32Width, ui32Height - 1 - (tmp_pixelIndex / ui32Width), color.rgba());
tmp_pixelIndex++;
}
}
} while (tmp_pixelIndex < (ui32Width * ui32Height));
}
// not useable format
else
{
fsPicture.close();
img = QImage(1, 1, QImage::Format_RGB32);
img.fill(Qt::red);
success = false;
return img;
}
fsPicture.close();
}
} while (tmp_pixelIndex < (ui32Width * ui32Height));
}
// not useable format
else
{
fsPicture.close();
img = QImage(1, 1, QImage::Format_RGB32);
img.fill(Qt::red);
success = false;
return img;
}
fsPicture.close();
success = true;
return img;
}