173 lines
3.9 KiB
C++
173 lines
3.9 KiB
C++
//注：起名为ILImageSupport是为了避免与IL中现有的ilimage冲突
|
||
|
||
#include"ILImage.h"
|
||
#include<IL/ilu.h>
|
||
#include<hgl/log/LogInfo.h>
|
||
|
||
using namespace hgl;
|
||
|
||
namespace
|
||
{
|
||
const OSString GetILFormatName(const ILuint format)
|
||
{
|
||
#define IL_FMT2NAME(name) if(format==IL_##name)return OS_TEXT(#name);
|
||
|
||
IL_FMT2NAME(COLOR_INDEX)
|
||
IL_FMT2NAME(ALPHA)
|
||
IL_FMT2NAME(RGB)
|
||
IL_FMT2NAME(RGBA)
|
||
IL_FMT2NAME(BGR)
|
||
IL_FMT2NAME(BGRA)
|
||
IL_FMT2NAME(LUMINANCE)
|
||
IL_FMT2NAME(LUMINANCE_ALPHA)
|
||
|
||
#undef IL_FMT2NAME
|
||
|
||
return OS_TEXT("Error format");
|
||
}
|
||
|
||
const OSString GetILTypeName(const ILuint type)
|
||
{
|
||
#define IL_TYPE2NAME(name) if(type==IL_##name)return OS_TEXT(#name);
|
||
|
||
IL_TYPE2NAME(BYTE)
|
||
IL_TYPE2NAME(UNSIGNED_BYTE)
|
||
IL_TYPE2NAME(SHORT)
|
||
IL_TYPE2NAME(UNSIGNED_SHORT)
|
||
IL_TYPE2NAME(INT)
|
||
IL_TYPE2NAME(UNSIGNED_INT)
|
||
IL_TYPE2NAME(FLOAT)
|
||
IL_TYPE2NAME(DOUBLE)
|
||
IL_TYPE2NAME(HALF)
|
||
|
||
#undef IL_TYPE2NAME
|
||
|
||
return OS_TEXT("Error type");
|
||
}
|
||
}//namespace
|
||
|
||
ILImage::ILImage()
|
||
{
|
||
ilGenImages(1,&il_index);
|
||
}
|
||
|
||
ILImage::~ILImage()
|
||
{
|
||
ilDeleteImages(1,&il_index);
|
||
}
|
||
|
||
void ILImage::Bind()
|
||
{
|
||
ilBindImage(il_index);
|
||
}
|
||
|
||
bool ILImage::Convert(ILuint format,ILuint type)
|
||
{
|
||
if(il_format==format
|
||
&&il_type==type)return(true);
|
||
|
||
Bind();
|
||
if(!ilConvertImage(format,type))
|
||
return(false);
|
||
|
||
il_format=format;
|
||
il_type=type;
|
||
return(true);
|
||
}
|
||
|
||
bool ILImage::LoadFile(const OSString &filename)
|
||
{
|
||
Bind();
|
||
|
||
if(!ilLoadImage(filename.c_str()))
|
||
return(false);
|
||
|
||
LOG_INFO(OS_TEXT("File: ")+filename);
|
||
|
||
il_width =ilGetInteger(IL_IMAGE_WIDTH);
|
||
il_height =ilGetInteger(IL_IMAGE_HEIGHT);
|
||
il_bit =ilGetInteger(IL_IMAGE_BITS_PER_PIXEL);
|
||
il_format =ilGetInteger(IL_IMAGE_FORMAT);
|
||
il_type =ilGetInteger(IL_IMAGE_TYPE);
|
||
|
||
if(ilGetInteger(IL_IMAGE_ORIGIN)==IL_ORIGIN_LOWER_LEFT)
|
||
iluFlipImage();
|
||
|
||
LOG_INFO(OS_TEXT("\t width: ")+OSString(il_width));
|
||
LOG_INFO(OS_TEXT("\theight: ")+OSString(il_height));
|
||
LOG_INFO(OS_TEXT("\t bit: ")+OSString(il_bit));
|
||
LOG_INFO(OS_TEXT("\tformat: ")+GetILFormatName(il_format));
|
||
LOG_INFO(OS_TEXT("\t type: ")+GetILTypeName(il_type));
|
||
|
||
if(il_format==IL_COLOR_INDEX)
|
||
{
|
||
uint il_pattle=ilGetInteger(IL_PALETTE_TYPE);
|
||
|
||
if(il_pattle==IL_PAL_RGB24||il_pattle==IL_PAL_BGR24)
|
||
{
|
||
il_bit =24;
|
||
il_format =IL_BGR;
|
||
il_type =IL_UNSIGNED_BYTE;
|
||
}
|
||
else
|
||
if(il_pattle==IL_PAL_RGB32||il_pattle==IL_PAL_BGR32)
|
||
{
|
||
il_bit =48;
|
||
il_format =IL_BGR;
|
||
il_type =IL_UNSIGNED_SHORT;
|
||
}
|
||
else
|
||
if(il_pattle==IL_PAL_RGBA32||il_pattle==IL_PAL_BGRA32)
|
||
{
|
||
il_bit =32;
|
||
il_format =IL_BGRA;
|
||
il_type =IL_UNSIGNED_BYTE;
|
||
}
|
||
else
|
||
{
|
||
LOG_ERROR("Don't support the pattle format.");
|
||
return(false);
|
||
}
|
||
|
||
Convert(il_format,il_type);
|
||
}
|
||
|
||
if(il_format==IL_LUMINANCE||il_format==IL_ALPHA)channel_count=1;else
|
||
if(il_format==IL_LUMINANCE_ALPHA) channel_count=2;else
|
||
if(il_format==IL_RGB||il_format==IL_BGR) channel_count=3;else
|
||
if(il_format==IL_RGBA||il_format==IL_BGRA) channel_count=4;else
|
||
channel_count=0;
|
||
|
||
return(true);
|
||
}
|
||
|
||
void *ILImage::GetR(ILuint type)
|
||
{
|
||
Bind();
|
||
|
||
if(il_format==IL_ALPHA)return ilGetAlpha(type);
|
||
if(il_format==IL_LUMINANCE)
|
||
{
|
||
if(il_type!=type)
|
||
{
|
||
if(!Convert(il_format,type))
|
||
return(nullptr);
|
||
|
||
return ilGetData();
|
||
}
|
||
}
|
||
|
||
return(nullptr);
|
||
}
|
||
|
||
void *ILImage::GetData(ILuint format,ILuint type)
|
||
{
|
||
Bind();
|
||
|
||
if(il_format!=format||il_type!=type)
|
||
if(!Convert(format,type))
|
||
return nullptr;
|
||
|
||
return ilGetData();
|
||
}
|