#include <Bitmap256.h>

Inheritance diagram for C4BMP256Info:

Collaboration diagram for C4BMP256Info:

Public Member Functions
void	Default ()

void	Set (int iWdt, int iHgt, CStdPalette *)

bool	Valid ()

int	FileBitsOffset ()

void	Set (int iWdt, int iHgt, int iBitDepth)

Public Attributes
RGBQUAD	Colors [256] = {}

BITMAPFILEHEADER	Head = BITMAPFILEHEADER()

BITMAPINFOHEADER	Info = BITMAPINFOHEADER()

Detailed Description

Definition at line 73 of file Bitmap256.h.

Member Function Documentation

◆ Default()

void C4BMP256Info::Default ( )

Definition at line 90 of file Bitmap256.cpp.

 {
     InplaceReconstruct(this);
 }

References InplaceReconstruct().

Referenced by Set().

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◆ FileBitsOffset()

int C4BMP256Info::FileBitsOffset ( )

Definition at line 60 of file Bitmap256.cpp.

 {
     return Head.bfOffBits-sizeof(C4BMP256Info);
 }

References tagBITMAPFILEHEADER::bfOffBits, and C4BMPInfo::Head.

◆ Set() [1/2]

void C4BMP256Info::Set	(	int	iWdt,
		int	iHgt,
		CStdPalette *	Palette
	)

Definition at line 65 of file Bitmap256.cpp.

 {
     Default();
     // Set header
     Head.bfType=*((const WORD*)"BM");
     Head.bfSize=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD)+DWordAligned(iWdt)*iHgt;
     Head.bfOffBits=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD);
     // Set bitmap info
     Info.biSize=sizeof(BITMAPINFOHEADER);
     Info.biWidth=iWdt;
     Info.biHeight=iHgt;
     Info.biPlanes=1;
     Info.biBitCount=8;
     Info.biCompression=0;
     Info.biSizeImage=iWdt*iHgt;
     Info.biClrUsed=Info.biClrImportant=256;
     // Set palette
     for (int cnt=0; cnt<256; cnt++)
     {
         Colors[cnt].rgbRed   = GetRedValue(Palette->Colors[cnt]);
         Colors[cnt].rgbGreen = GetGreenValue(Palette->Colors[cnt]);
         Colors[cnt].rgbBlue  = GetBlueValue(Palette->Colors[cnt]);
     }
 }

Referenced by CSurface8::Save().

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◆ Set() [2/2]

void C4BMPInfo::Set	(	int	iWdt,
		int	iHgt,
		int	iBitDepth
	)

inherited

Definition at line 34 of file Bitmap256.cpp.

 {
     Default();
     // Set header
     Head.bfType=*((const WORD*)"BM");
     Head.bfSize=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+DWordAligned(iWdt)*iHgt;
     Head.bfOffBits=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER);
     // Set bitmap info
     Info.biSize=sizeof(BITMAPINFOHEADER);
     Info.biWidth=iWdt;
     Info.biHeight=iHgt;
     Info.biPlanes=1;
     Info.biBitCount=iBitDepth;
     Info.biCompression=0;
     Info.biSizeImage=iWdt*iHgt;
     Info.biClrUsed=Info.biClrImportant=0;
 }

References tagBITMAPFILEHEADER::bfOffBits, tagBITMAPFILEHEADER::bfSize, tagBITMAPFILEHEADER::bfType, tagBITMAPINFOHEADER::biBitCount, tagBITMAPINFOHEADER::biClrImportant, tagBITMAPINFOHEADER::biClrUsed, tagBITMAPINFOHEADER::biCompression, tagBITMAPINFOHEADER::biHeight, tagBITMAPINFOHEADER::biPlanes, tagBITMAPINFOHEADER::biSize, tagBITMAPINFOHEADER::biSizeImage, tagBITMAPINFOHEADER::biWidth, C4BMPInfo::Default(), DWordAligned(), C4BMPInfo::Head, and C4BMPInfo::Info.

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◆ Valid()

bool C4BMP256Info::Valid ( )

Definition at line 53 of file Bitmap256.cpp.

 {
     if (Head.bfType != *((const WORD*)"BM") ) return false;
     if ((Info.biBitCount!=8) || (Info.biCompression!=0)) return false;
     return true;
 }