finished code,but no debug and test

CMakeLists.txt

@@ -7,8 +7,18 @@ add_definitions(-DUNICODE -D_UNICODE)
 include_directories("DevIL Windows SDK/include")
 link_directories("DevIL Windows SDK/lib/x64/unicode/Release")
 
-set(SOURCE_FILE main.cpp pixel_format.cpp)
-set(HEADER_FILE pixel_format.h)
+set(SOURCE_FILE main.cpp pixel_format.cpp
+                ILImage.h
+				ILImageSupport.cpp
+                ConvertImage.cpp
+				TextureFileCreater.h
+				TextureFileCreater.cpp
+                TextureFileCreaterR.cpp
+                TextureFileCreaterRG.cpp
+                TextureFileCreaterRGB.cpp
+                TextureFileCreaterRGBA.cpp)
+
+set(HEADER_FILE pixel_format.h ConvertImage.h)
 
 SOURCE_GROUP("Header Files" FILES ${HEADER_FILE})
 SOURCE_GROUP("Source Files" FILES ${SOURCE_FILE})

ConvertImage.cpp

@@ -0,0 +1,71 @@
+#include"ConvertImage.h"
+#include"ILImage.h"
+#include"TextureFileCreater.h"
+
+TextureFileCreater *CreateTextureFileCreaterR(const PixelFormat *,ILImage *);
+TextureFileCreater *CreateTextureFileCreaterRG(const PixelFormat *,ILImage *);
+TextureFileCreater *CreateTextureFileCreaterRGB(const PixelFormat *,ILImage *);
+TextureFileCreater *CreateTextureFileCreaterRGBA(const PixelFormat *,ILImage *);
+
+ConvertImage::ConvertImage()
+{
+    image=nullptr;
+}
+
+ConvertImage::~ConvertImage()
+{
+    SAFE_CLEAR(image);
+}
+
+bool ConvertImage::Load(const OSString &fn)
+{
+    LOG_INFO(OS_TEXT("File: ")+fn);
+
+    image=new ILImage();
+
+    if(!image->LoadFile(fn))
+    {
+        delete image;
+        return(false);
+    }
+
+    filename=fn;
+
+    return(true);
+}
+
+bool ConvertImage::Convert(const PixelFormat **pf)
+{
+    image->Bind();
+
+    const uint channels=image->channels();
+
+    TextureFileCreater *tex_file_creater;
+
+    if(channels==1)tex_file_creater=CreateTextureFileCreaterR(pf[0],image);else
+    if(channels==2)tex_file_creater=CreateTextureFileCreaterRG(pf[1],image);else
+    if(channels==3)tex_file_creater=CreateTextureFileCreaterRGB(pf[2],image);else
+    if(channels==4)tex_file_creater=CreateTextureFileCreaterRGBA(pf[3],image);else
+    {
+        LOG_ERROR(OS_TEXT("image format don't support "));
+        return(false);
+    }
+
+    if(!tex_file_creater->WriteFileHeader(filename))
+    {
+        tex_file_creater->Delete();
+        LOG_ERROR(OS_TEXT("Write file header failed."));
+        return(false);
+    }
+
+    if(!tex_file_creater->Write())
+    {
+        tex_file_creater->Delete();
+        return(false);
+    }
+
+    tex_file_creater->Close();
+
+    delete tex_file_creater;
+    return(true);
+}

ConvertImage.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include<hgl/type/BaseString.h>
+#include<hgl/log/LogInfo.h>
+#include"pixel_format.h"
+
+using namespace hgl;
+
+class ILImage;
+
+class ConvertImage
+{
+    OSString filename;
+
+    ILImage *image;
+
+private:
+
+    bool CreateTextureFile(const PixelFormat *);
+
+private:
+
+public:
+
+    ConvertImage();
+    ~ConvertImage();
+
+    bool Load(const OSString &fn);
+    bool Convert(const PixelFormat **);
+};//class ConvertImage

ILImage.h

@@ -0,0 +1,51 @@
+#pragma once
+#include<IL/il.h>
+#include<hgl/type/BaseString.h>
+
+using namespace hgl;
+
+class ILImage
+{
+    ILuint il_index;
+    ILuint il_width,il_height;
+    ILuint il_bit,il_format,il_type;
+
+    uint channel_count;
+
+private:
+
+    bool Convert(ILuint,ILuint);
+
+    void *GetData(ILuint,ILuint);
+
+public:
+
+    const ILuint width   ()const{return il_width;}
+    const ILuint height  ()const{return il_height;}
+    const ILuint bit     ()const{return il_bit;}
+    const ILuint format  ()const{return il_format;}
+    const ILuint type    ()const{return il_type;}
+
+    const ILuint pixel_total()const{return il_width*il_height;}
+
+public:
+
+    const uint channels()const{return channel_count;}         //通道数量
+
+public:
+
+    ILImage();
+    ~ILImage();
+
+    bool LoadFile(const OSString &);
+
+    void Bind();
+    
+    void *GetR(ILuint type);
+
+    void *GetRG(ILuint type){return GetData(IL_LUMINANCE_ALPHA,type);}
+    void *GetRGB(ILuint type){return GetData(IL_RGB,type);}
+    void *GetBGR(ILuint type){return GetData(IL_BGR,type);}
+    void *GetRGBA(ILuint type){return GetData(IL_RGBA,type);}
+    void *GetBGRA(ILuint type){return GetData(IL_BGRA,type);}
+};//class ILImage

ILImageSupport.cpp

@@ -0,0 +1,133 @@
+//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;
+
+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()))
+    {
+        LOG_ERROR(OS_TEXT("LoadImage failed."));
+        return(false);
+    }
+
+    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: ")+OSString(il_format));
+    LOG_INFO(OS_TEXT("\t  type: ")+OSString(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();
+}

TextureFileCreater.cpp

@@ -0,0 +1,122 @@
+#include"TextureFileCreater.h"
+#include<hgl/filesystem/FileSystem.h>
+
+namespace
+{
+    /**
+    * 截取完整路径中的路径名和文件名
+    * @param pathname 拆分后的路径名
+    * @param filename 拆分后的文件名
+    * @param fullname 拆分前的完整路径文件名
+    */
+    template<typename T>
+    inline bool SplitFilename(BaseString<T> &pathname,BaseString<T> &filename,const BaseString<T> &fullname)
+    {
+        if(fullname.Length()<=1)
+            return false;
+
+        const T spear_char[] = { '/','\\' };
+
+        const int pos=fullname.FindRightChar(spear_char);
+
+        if(pos==-1)
+            return(false);
+
+        pathname.Strcpy(fullname,pos);
+        filename.Strcpy(fullname.c_str()+pos+1);
+
+        return(true);
+    }
+
+    template<typename T>
+    inline BaseString<T> ReplaceExtName(const BaseString<T> &old_name,const BaseString<T> &new_extname,const T split_char='.')
+    {
+        if(old_name.Length()<=1)
+            return(BaseString<T>::charOf(split_char)+new_extname);
+
+        const int pos=old_name.FindRightChar(split_char);
+
+        if(pos==-1)
+            return old_name.SubString(0,pos+1)+new_extname;
+        else
+            return old_name+BaseString<T>(split_char)+new_extname;
+    }
+}//namespace
+
+bool ToILType(ILuint &type,const uint8 bits,const ColorDataType cdt)
+{
+    constexpr ILuint target_type[3][(uint)ColorDataType::END-1]=
+    {
+        //UNORM             SNORM       UINT                SINT,       USCALE,SSCALE,  UFLOAT      SFLOAT
+        {IL_UNSIGNED_BYTE,  IL_BYTE,    IL_UNSIGNED_BYTE,   IL_BYTE,    0,0,            0,          0},
+        {IL_UNSIGNED_SHORT, IL_SHORT,   IL_UNSIGNED_SHORT,  IL_SHORT,   0,0,            IL_HALF,    IL_HALF},
+        {IL_UNSIGNED_INT,   IL_INT,     IL_UNSIGNED_INT,    IL_INT,     0,0,            IL_FLOAT,   IL_FLOAT}
+    };
+
+    if(bits<=8  )type=target_type[0][(uint)cdt-1];else
+    if(bits<=16 )type=target_type[1][(uint)cdt-1];else
+    if(bits<=32 )type=target_type[2][(uint)cdt-1];else
+        return(false);
+
+    return(type);
+}
+
+TextureFileCreater::TextureFileCreater(const PixelFormat *pf,ILImage *img)
+{
+    fmt=pf;
+    image=img;
+
+    pixel_total=image->pixel_total();
+    pixel_bytes=pf->GetPixelBytes();
+    total_bytes=pixel_total*pixel_bytes;
+
+    dos=nullptr;
+}
+TextureFileCreater::~TextureFileCreater()
+{
+    SAFE_CLEAR(dos);
+}
+
+bool TextureFileCreater::WriteFileHeader(const OSString &old_filename)
+{
+    OSString pn,fn;
+
+    SplitFilename<os_char>(pn,fn,old_filename);
+
+    filename=ReplaceExtName<os_char>(old_filename,OS_TEXT(".Tex2D"));
+
+    if(!fos.CreateTrunc(filename))
+        return(false);
+
+    dos=new io::LEDataOutputStream(&fos);
+
+    dos->Write("Tex2D\x1A",6);
+    dos->WriteUint8(2);                                 //版本
+    dos->WriteBool(false);                              //是否有mipmaps
+    dos->WriteUint32(image->width());
+    dos->WriteUint32(image->height());
+    dos->WriteUint8(fmt->channels);                     //颜色通道数
+    dos->WriteUint8((uint8 *)fmt->color,fmt->channels); //颜色标记
+    dos->WriteUint8(fmt->bits,fmt->channels);           //颜色位数
+    dos->WriteUint8((uint8)fmt->type);                  //数据类型
+
+    return(true);
+}
+
+bool TextureFileCreater::Write(void *data)
+{
+    return(dos->Write(data,total_bytes)==total_bytes);
+}
+
+void TextureFileCreater::Close()
+{
+    SAFE_CLEAR(dos);
+    fos.Close();
+}
+
+void TextureFileCreater::Delete()
+{
+    Close();
+
+    filesystem::FileDelete(filename);
+}

TextureFileCreater.h

@@ -0,0 +1,44 @@
+#pragma once
+
+#include"ILImage.h"
+#include"pixel_format.h"
+#include<hgl/io/FileOutputStream.h>
+#include<hgl/io/DataOutputStream.h>
+
+using namespace hgl;
+
+bool ToILType(ILuint &type,const uint8 bits,const ColorDataType cdt);
+
+class TextureFileCreater
+{
+protected:
+
+    const PixelFormat *fmt;
+
+    ILImage *image;
+
+    uint pixel_bytes;       //单像素字节数
+    uint pixel_total;       //象素总量=width*height
+    uint total_bytes;       //总字节数
+
+protected:
+
+    OSString filename;
+
+    io::FileOutputStream fos;
+    io::DataOutputStream *dos;
+
+    bool Write(void *);
+
+public:
+
+    TextureFileCreater(const PixelFormat *pf,ILImage *);
+    virtual ~TextureFileCreater();
+
+    virtual bool WriteFileHeader(const OSString &);
+    
+    virtual bool Write()=0;
+
+    virtual void Close();
+    virtual void Delete();
+};//class TextureFileCreater

TextureFileCreaterR.cpp

@@ -0,0 +1,32 @@
+#include"TextureFileCreater.h"
+#include"ILImage.h"
+
+class TextureFileCreaterR:public TextureFileCreater
+{
+public:
+
+    using TextureFileCreater::TextureFileCreater;
+
+public:
+
+    bool Write() override
+    {
+        ILuint type;
+
+        if(!ToILType(type,fmt->bits[0],fmt->type))
+            return(nullptr);
+
+        void *data=image->GetR(type);
+
+        if(!data)
+            return(nullptr);
+
+        //目前仅有R8UN,R16UN,R16F,R32U,R32I,R32F几种，都是8的整倍数，所以直接写
+        return TextureFileCreater::Write(data);
+    }
+};//class TextureFileCreaterR:public TextureFileCreater
+
+TextureFileCreater *CreateTextureFileCreaterR(const PixelFormat *pf,ILImage *image)
+{
+    return(new TextureFileCreaterR(pf,image));
+}

TextureFileCreaterRG.cpp

@@ -0,0 +1,30 @@
+#include"TextureFileCreater.h"
+#include"ILImage.h"
+
+class TextureFileCreaterRG:public TextureFileCreater
+{
+public:
+
+    using TextureFileCreater::TextureFileCreater;
+
+public:
+
+    bool Write() override
+    {
+        ILuint type;
+
+        if(!ToILType(type,fmt->bits[0],fmt->type))
+            return(nullptr);
+
+        void *data=image->GetRG(type);
+
+        //目前仅有R8UN,R16UN,R16F,R32U,R32I,R32F几种，都是8的整倍数，所以直接写
+        
+        return TextureFileCreater::Write(data);
+    }
+};//class TextureFileCreaterRG:public TextureFileCreater
+
+TextureFileCreater *CreateTextureFileCreaterRG(const PixelFormat *pf,ILImage *image)
+{
+    return(new TextureFileCreaterRG(pf,image));
+}

TextureFileCreaterRGB.cpp

@@ -0,0 +1,62 @@
+#include"TextureFileCreater.h"
+#include"ILImage.h"
+#include<hgl/log/LogInfo.h>
+
+class TextureFileCreaterRGB:public TextureFileCreater
+{
+public:
+
+    using TextureFileCreater::TextureFileCreater;
+
+    void RGB8toRGB565(uint16 *target,uint8 *src,uint size)
+    {
+        for(uint i=0;i<size;i++)
+        {
+            *target=((src[2]<<8)&0xF800)
+                   |((src[1]<<3)&0x7E0)
+                   | (src[0]>>3);
+
+            ++target;
+            src+=3;
+        }
+    }
+
+public:
+ 
+    bool Write() override
+    {
+        if(fmt->format==ColorFormat::RGB32U
+         ||fmt->format==ColorFormat::RGB32I
+         ||fmt->format==ColorFormat::RGB32F)
+        {
+            ILuint type;
+
+            if(!ToILType(type,fmt->bits[0],fmt->type))
+                return(nullptr);
+
+            void *origin_rgb=image->GetRGB(type);
+
+            return TextureFileCreater::Write(origin_rgb);   
+        }
+        else if(fmt->format==ColorFormat::RGB565)
+        {
+            void *origin_rgb=image->GetRGB(IL_UNSIGNED_BYTE);
+
+            AutoDelete<uint16> rgb565=new uint16[image->pixel_total()];
+
+            RGB8toRGB565(rgb565,(uint8 *)origin_rgb,image->pixel_total());
+
+            return TextureFileCreater::Write(rgb565);
+        }
+        else
+        {
+            LOG_ERROR(OS_TEXT("Don't support this RGB format"));
+            return(false);
+        }
+    }
+};//class TextureFileCreaterRGB:public TextureFileCreater
+
+TextureFileCreater *CreateTextureFileCreaterRGB(const PixelFormat *pf,ILImage *image)
+{
+    return(new TextureFileCreaterRGB(pf,image));
+}

TextureFileCreaterRGBA.cpp

@@ -0,0 +1,114 @@
+#include"TextureFileCreater.h"
+#include"ILImage.h"
+#include<hgl/log/LogInfo.h>
+
+class TextureFileCreaterRGBA:public TextureFileCreater
+{
+public:
+
+    using TextureFileCreater::TextureFileCreater;
+
+    void RGBA8toRGBA4(uint16 *target,uint8 *src,uint size)
+    {
+        for(uint i=0;i<size;i++)
+        {
+            *target=((src[3]<<8)&0xF000)
+                   |((src[2]<<4)&0xF00)
+                   |((src[1]   )&0xF0)
+                   | (src[0]>>4);
+
+            ++target;
+            src+=4;
+        }
+    }
+    
+    void RGBA8toA1RGB5(uint16 *target,uint8 *src,uint size)
+    {
+        for(uint i=0;i<size;i++)
+        {
+            *target=((src[3]<<8)&0x8000)
+                   |((src[2]<<7)&0x7C00)
+                   |((src[1]<<2)&0x3E0)
+                   | (src[0]>>3);
+
+            ++target;
+            src+=4;
+        }
+    }
+
+    void RGBA16toA2BGR10(uint32 *target,uint16 *src,uint size)
+    {
+        for(uint i=0;i<size;i++)
+        {
+            *target=((src[3]<<16)&0xC0000000)
+                   |((src[0]<<14)&0x3FF00000)
+                   |((src[1]<< 4)&0xFFC00)
+                   | (src[2]>> 6);
+
+            ++target;
+            src+=4;
+        }
+    }
+
+public:
+ 
+    bool Write() override
+    {
+        if(fmt->format==ColorFormat::RGBA8UN
+         ||fmt->format==ColorFormat::RGBA16UN
+         ||fmt->format==ColorFormat::RGBA16F
+         ||fmt->format==ColorFormat::RGBA32U
+         ||fmt->format==ColorFormat::RGBA32I
+         ||fmt->format==ColorFormat::RGBA32F)
+        {
+            ILuint type;
+
+            if(!ToILType(type,fmt->bits[0],fmt->type))
+                return(nullptr);
+
+            void *origin_rgba=image->GetRGBA(type);
+
+            return TextureFileCreater::Write(origin_rgba);   
+        }
+        else if(fmt->format==ColorFormat::BGRA4)
+        {
+            void *origin_rgba=image->GetRGBA(IL_UNSIGNED_BYTE);
+
+            AutoDelete<uint16> bgra4=new uint16[image->pixel_total()];
+
+            RGBA8toRGBA4(bgra4,(uint8 *)origin_rgba,image->pixel_total());
+
+            return TextureFileCreater::Write(bgra4);
+        }
+        else if(fmt->format==ColorFormat::A1RGB5)
+        {
+            void *origin_rgba=image->GetRGBA(IL_UNSIGNED_BYTE);
+
+            AutoDelete<uint16> a1_rgb5=new uint16[image->pixel_total()];
+
+            RGBA8toA1RGB5(a1_rgb5,(uint8 *)origin_rgba,image->pixel_total());
+
+            return TextureFileCreater::Write(a1_rgb5);
+        }
+        else if(fmt->format==ColorFormat::A2BGR10UN)
+        {
+            void *origin_rgba=image->GetRGBA(IL_UNSIGNED_SHORT);
+
+            AutoDelete<uint32> a2_bgr10=new uint32[image->pixel_total()];
+
+            RGBA16toA2BGR10(a2_bgr10,(uint16 *)origin_rgba,image->pixel_total());
+
+            return TextureFileCreater::Write(a2_bgr10);
+        }
+        else
+        {
+            LOG_ERROR(OS_TEXT("Don't support this RGBA format"));
+            return(false);
+        }
+    }
+};//class TextureFileCreaterRGB:public TextureFileCreater
+
+TextureFileCreater *CreateTextureFileCreaterRGBA(const PixelFormat *pf,ILImage *image)
+{
+    return(new TextureFileCreaterRGBA(pf,image));
+}

main.cpp

@@ -1,13 +1,11 @@
-#include<il/il.h>
-#include<il/ilu.h>
-#include<iostream>
+#include<iostream>
 #include<hgl/util/cmd/CmdParse.h>
-#include"pixel_format.h"
 #include<hgl/type/DataType.h>
 #include<hgl/type/StrChar.h>
 #include<hgl/Time.h>
 #include<hgl/filesystem/EnumFile.h>
 #include<hgl/log/LogInfo.h>
+#include"ConvertImage.h"
 
 using namespace hgl;
 using namespace hgl::filesystem;
@@ -48,7 +46,7 @@ void ParseParamFormat(const CmdParse &cmd)
         std::cout<<i<<": "<<pixel_fmt[i]->name<<std::endl;
 }
 
-void ParamColorKey(const CmdParse &cmd)
+void ParseParamColorKey(const CmdParse &cmd)
 {
     OSString ckstr;
 
@@ -75,7 +73,13 @@ protected:
 
     void ProcFile(EnumFileConfig *efc,FileInfo &fi) override
     {
-        //ConvertImage(fi.fullname);
+        ConvertImage ci(fi.fullname);
+
+        if(!ci.Load())return;
+
+        if(!ci.Convert(pixel_fmt))return;
+
+
     }
 
 public:
@@ -109,7 +113,7 @@ int main(int argc,char **argv)
     if(cp.Find(OS_TEXT("/s"))!=-1)sub_folder=true;					//检测是否处理子目录
     if(cp.Find(OS_TEXT("/mip"))!=-1)gen_mipmaps=true;				//检测是否生成mipmaps
     
-    ParamColorKey(cp);
+    ParseParamColorKey(cp);
     ParseParamFormat(cp);								    //检测推荐格式
    
     ilInit();

pixel_format.cpp

@@ -21,32 +21,31 @@ namespace hgl
 
     constexpr PixelFormat pf_list[]=
     {
-        {ColorFormat::BGRA4,      "BGRA4",     {'B','G','R','A'},{ 4, 4, 4, 4},ColorDataType::UNORM},
-        {ColorFormat::RGB565,     "RGB565",    {'R','G','B', 0 },{ 4, 5, 5, 0},ColorDataType::UNORM},
-        {ColorFormat::A1RGB5,     "A1RGB5",    {'A','R','G','B'},{ 1, 5, 5, 5},ColorDataType::UNORM},
-        {ColorFormat::R8UN,       "R8UN",      {'R', 0 , 0 , 0 },{ 8, 0, 0, 0},ColorDataType::UNORM},
-        {ColorFormat::RG8UN,      "RG8UN",     {'R','G', 0 , 0 },{ 8, 8, 0, 0},ColorDataType::UNORM},
-        {ColorFormat::RGBA8UN,    "RGBA8UN",   {'R','G','B','A'},{ 8, 8, 8, 8},ColorDataType::UNORM},
-        {ColorFormat::ABGR8UN,    "ABGR8UN",   {'A','B','G','R'},{ 8, 8, 8, 8},ColorDataType::UNORM},
-        {ColorFormat::A2BGR10UN,  "A2BGR10UN", {'A','B','G','R'},{ 2,10,10,10},ColorDataType::UNORM},
-        {ColorFormat::R16UN,      "R16UN",     {'R', 0 , 0 , 0 },{16, 0, 0, 0},ColorDataType::UNORM},
-        {ColorFormat::R16F,       "R16F",      {'R', 0 , 0 , 0 },{16, 0, 0, 0},ColorDataType::SFLOAT},
-        {ColorFormat::RG16UN,     "RG16UN",    {'R','G', 0 , 0 },{16,16, 0, 0},ColorDataType::UNORM},
-        {ColorFormat::RG16F,      "RG16F",     {'R','G', 0 , 0 },{16,16, 0, 0},ColorDataType::SFLOAT},
-        {ColorFormat::RGBA16UN,   "RGBA16UN",  {'R','G','B','A'},{16,16,16, 0},ColorDataType::UNORM},
-        {ColorFormat::RGBA16F,    "RGBA16F",   {'R','G','B','A'},{16,16,16, 0},ColorDataType::SFLOAT},
-        {ColorFormat::R32U,       "R32U",      {'R', 0 , 0 , 0 },{32, 0, 0, 0},ColorDataType::UINT},
-        {ColorFormat::R32I,       "R32I",      {'R', 0 , 0 , 0 },{32, 0, 0, 0},ColorDataType::SINT},
-        {ColorFormat::R32F,       "R32F",      {'R', 0 , 0 , 0 },{32, 0, 0, 0},ColorDataType::SFLOAT},
-        {ColorFormat::RG32U,      "RG32U",     {'R','G', 0 , 0 },{32,32, 0, 0},ColorDataType::UINT},
-        {ColorFormat::RG32I,      "RG32I",     {'R','G', 0 , 0 },{32,32, 0, 0},ColorDataType::SINT},
-        {ColorFormat::RG32F,      "RG32F",     {'R','G', 0 , 0 },{32,32, 0, 0},ColorDataType::SFLOAT},
-        {ColorFormat::RGB32U,     "RGB32U",    {'R','G','B', 0 },{32,32,32, 0},ColorDataType::UINT},
-        {ColorFormat::RGB32I,     "RGB32I",    {'R','G','B', 0 },{32,32,32, 0},ColorDataType::SINT},
-        {ColorFormat::RGB32F,     "RGB32F",    {'R','G','B', 0 },{32,32,32, 0},ColorDataType::SFLOAT},
-        {ColorFormat::RGBA32U,    "RGBA32U",   {'R','G','B','A'},{32,32,32,32},ColorDataType::UINT},
-        {ColorFormat::RGBA32I,    "RGBA32I",   {'R','G','B','A'},{32,32,32,32},ColorDataType::SINT},
-        {ColorFormat::RGBA32F,    "RGBA32F",   {'R','G','B','A'},{32,32,32,32},ColorDataType::SFLOAT}
+        {ColorFormat::BGRA4,      "BGRA4",     4,{'B','G','R','A'},{ 4, 4, 4, 4},ColorDataType::UNORM},
+        {ColorFormat::RGB565,     "RGB565",    3,{'R','G','B', 0 },{ 4, 5, 5, 0},ColorDataType::UNORM},
+        {ColorFormat::A1RGB5,     "A1RGB5",    4,{'A','R','G','B'},{ 1, 5, 5, 5},ColorDataType::UNORM},
+        {ColorFormat::R8UN,       "R8UN",      1,{'R', 0 , 0 , 0 },{ 8, 0, 0, 0},ColorDataType::UNORM},
+        {ColorFormat::RG8UN,      "RG8UN",     2,{'R','G', 0 , 0 },{ 8, 8, 0, 0},ColorDataType::UNORM},
+        {ColorFormat::RGBA8UN,    "RGBA8UN",   4,{'R','G','B','A'},{ 8, 8, 8, 8},ColorDataType::UNORM},
+        {ColorFormat::A2BGR10UN,  "A2BGR10UN", 4,{'A','B','G','R'},{ 2,10,10,10},ColorDataType::UNORM},
+        {ColorFormat::R16UN,      "R16UN",     1,{'R', 0 , 0 , 0 },{16, 0, 0, 0},ColorDataType::UNORM},
+        {ColorFormat::R16F,       "R16F",      1,{'R', 0 , 0 , 0 },{16, 0, 0, 0},ColorDataType::SFLOAT},
+        {ColorFormat::RG16UN,     "RG16UN",    2,{'R','G', 0 , 0 },{16,16, 0, 0},ColorDataType::UNORM},
+        {ColorFormat::RG16F,      "RG16F",     2,{'R','G', 0 , 0 },{16,16, 0, 0},ColorDataType::SFLOAT},
+        {ColorFormat::RGBA16UN,   "RGBA16UN",  4,{'R','G','B','A'},{16,16,16, 0},ColorDataType::UNORM},
+        {ColorFormat::RGBA16F,    "RGBA16F",   4,{'R','G','B','A'},{16,16,16, 0},ColorDataType::SFLOAT},
+        {ColorFormat::R32U,       "R32U",      1,{'R', 0 , 0 , 0 },{32, 0, 0, 0},ColorDataType::UINT},
+        {ColorFormat::R32I,       "R32I",      1,{'R', 0 , 0 , 0 },{32, 0, 0, 0},ColorDataType::SINT},
+        {ColorFormat::R32F,       "R32F",      1,{'R', 0 , 0 , 0 },{32, 0, 0, 0},ColorDataType::SFLOAT},
+        {ColorFormat::RG32U,      "RG32U",     2,{'R','G', 0 , 0 },{32,32, 0, 0},ColorDataType::UINT},
+        {ColorFormat::RG32I,      "RG32I",     2,{'R','G', 0 , 0 },{32,32, 0, 0},ColorDataType::SINT},
+        {ColorFormat::RG32F,      "RG32F",     2,{'R','G', 0 , 0 },{32,32, 0, 0},ColorDataType::SFLOAT},
+        {ColorFormat::RGB32U,     "RGB32U",    3,{'R','G','B', 0 },{32,32,32, 0},ColorDataType::UINT},
+        {ColorFormat::RGB32I,     "RGB32I",    3,{'R','G','B', 0 },{32,32,32, 0},ColorDataType::SINT},
+        {ColorFormat::RGB32F,     "RGB32F",    3,{'R','G','B', 0 },{32,32,32, 0},ColorDataType::SFLOAT},
+        {ColorFormat::RGBA32U,    "RGBA32U",   4,{'R','G','B','A'},{32,32,32,32},ColorDataType::UINT},
+        {ColorFormat::RGBA32I,    "RGBA32I",   4,{'R','G','B','A'},{32,32,32,32},ColorDataType::SINT},
+        {ColorFormat::RGBA32F,    "RGBA32F",   4,{'R','G','B','A'},{32,32,32,32},ColorDataType::SFLOAT}
     };
 
     constexpr uint PixelFormatCount=sizeof(pf_list)/sizeof(PixelFormat);
@@ -58,7 +57,7 @@ void PrintFormatList()
 
     for(uint i=0;i<PixelFormatCount;i++)
     {
-        std::cout<<std::setw(10)<<pf->name<<" "<<std::setw(3)<<pf->GetPixelBytes()<<" bits "<<ColorDataName[(uint)(pf->type)]<<std::endl;
+        std::cout<<pf->channels<<": "<<std::setw(10)<<pf->name<<" "<<std::setw(3)<<pf->GetPixelBytes()<<" bits "<<ColorDataName[(uint)(pf->type)]<<std::endl;
 
         ++pf;
     }

pixel_format.h

@@ -14,7 +14,6 @@ enum class ColorFormat
     R8UN,
     RG8UN,
     RGBA8UN,
-    ABGR8UN,
     A2BGR10UN,
     R16UN,
     R16F,
@@ -44,10 +43,10 @@ enum class ColorDataType
 
     UNORM,
     SNORM,
-    USCALED,
-    SSCALED,
     UINT,
     SINT,
+    USCALE,
+    SSCALE,
     UFLOAT,
     SFLOAT,
 
@@ -66,13 +65,14 @@ struct PixelFormat
     ColorFormat     format;
     char            name[32];
 
+    uint8           channels;   //颜色通道数
     char            color[4];
     uint8           bits[4];
     ColorDataType   type;
 
 public:
 
-    const uint GetPixelBytes()const{return bits[0]+bits[1]+bits[2]+bits[3];}                        ///<获取单个象素所需字节数
+    const uint GetPixelBytes()const{return (bits[0]+bits[1]+bits[2]+bits[3])>>3;}                   ///<获取单个象素所需字节数
 };//
 
 const PixelFormat *GetPixelFormat(ColorFormat);                                                     ///<根据获取获取象素格式类型