396 lines
12 KiB
C++
396 lines
12 KiB
C++
/******************************************************************************
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Source File: setdrw.c
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This file contains the code to draw the test bitmap
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Copyright (c) 1997-1998 by Microsoft Corporation
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Change History:
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Original version - ChrisW
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12-01-97 AndreVa - Created It
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******************************************************************************/
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#include "deskadp.h"
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/****************************************************************************
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FUNCTION: MakeRect
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PURPOSE: Fill in RECT structure given contents.
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****************************************************************************/
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VOID MakeRect( PRECT pRect, INT xmin, INT ymin, INT xmax, INT ymax )
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{
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pRect->left= xmin;
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pRect->right= xmax;
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pRect->bottom= ymin;
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pRect->top= ymax;
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}
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// type constants for DrawArrow
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#define AW_TOP 1 // top
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#define AW_BOTTOM 2 // bottom
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#define AW_LEFT 3 // left
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#define AW_RIGHT 4 // right
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/****************************************************************************
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FUNCTION: DrawArrow
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PURPOSE: Draw one arrow in a given color.
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****************************************************************************/
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static
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VOID DrawArrow( HDC hDC, INT type, INT xPos, INT yPos, COLORREF crPenColor )
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{
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INT shaftlen=30; // length of arrow shaft
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INT headlen=15; // height or width of arrow head (not length)
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HGDIOBJ hPen, hPrevPen = NULL; // pens
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INT x,y;
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INT xdir, ydir; // directions of x and y (1,-1)
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hPen= CreatePen( PS_SOLID, 1, crPenColor );
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if( hPen )
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hPrevPen= SelectObject( hDC, hPen );
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MoveToEx( hDC, xPos, yPos, NULL );
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xdir= ydir= 1; // defaults
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switch( type )
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{
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case AW_BOTTOM:
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ydir= -1;
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case AW_TOP:
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LineTo(hDC, xPos, yPos+ydir*shaftlen);
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for( x=0; x<3; x++ )
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{
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MoveToEx( hDC, xPos, yPos+ydir*x, NULL );
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LineTo( hDC, xPos-(headlen-x), yPos+ydir*headlen );
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MoveToEx( hDC, xPos, yPos+ydir*x, NULL );
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LineTo( hDC, xPos+(headlen-x), yPos+ydir*headlen );
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}
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break;
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case AW_RIGHT:
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xdir= -1;
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case AW_LEFT:
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LineTo( hDC, xPos + xdir*shaftlen, yPos );
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for( y=0; y<3; y++ )
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{
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MoveToEx( hDC, xPos + xdir*y, yPos, NULL );
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LineTo( hDC, xPos + xdir*headlen, yPos+(headlen-y));
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MoveToEx( hDC, xPos + xdir*y, yPos, NULL );
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LineTo( hDC, xPos + xdir*headlen, yPos-(headlen-y));
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}
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break;
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}
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if( hPrevPen )
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SelectObject( hDC, hPrevPen );
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if (hPen)
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DeleteObject(hPen);
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}
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/****************************************************************************
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FUNCTION: LabelRect
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PURPOSE: Label a rectangle with centered text given resource ID.
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****************************************************************************/
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static
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VOID LabelRect(HDC hDC, PRECT pRect, UINT idString )
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{
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UINT iStatus;
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INT xStart, yStart;
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SIZE Size; // for size of string
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TCHAR szMsg[256];
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if( idString == 0 ) // make it easy to ignore call
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return;
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SetBkMode( hDC, OPAQUE );
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SetBkColor( hDC, RGB(0,0,0) );
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SetTextColor( hDC, RGB(255,255,255) );
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// center
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xStart= (pRect->left+pRect->right) /2;
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yStart= (pRect->top+pRect->bottom) /2;
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iStatus= LoadString( g_hInst, idString, szMsg, ARRAYSIZE(szMsg) );
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if( !iStatus )
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{
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return; // can't find string - print nothing
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}
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GetTextExtentPoint32( hDC, szMsg, lstrlen(szMsg), &Size );
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TextOut( hDC, xStart-Size.cx/2, yStart-Size.cy/2, szMsg, lstrlen(szMsg) );
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}
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/****************************************************************************
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FUNCTION: PaintRect
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PURPOSE: Color in a rectangle and label it.
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****************************************************************************/
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static
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VOID PaintRect(
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HDC hDC, // DC to paint
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INT lowx, // coordinates describing rectangle to fill
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INT lowy, //
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INT highx, //
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INT highy, //
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COLORREF rgb, // color to fill in rectangle with
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UINT idString ) // resource ID to use to label or 0 is none
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{
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RECT rct;
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HBRUSH hBrush;
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MakeRect( &rct, lowx, lowy, highx, highy );
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hBrush = CreateSolidBrush( rgb );
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if (hBrush)
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{
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FillRect( hDC, &rct, hBrush );
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DeleteObject( hBrush );
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}
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LabelRect( hDC, &rct, idString );
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}
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/****************************************************************************
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FUNCTION: DrawArrows
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PURPOSE: Draw all the arrows showing edges of resolution.
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****************************************************************************/
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VOID DrawArrows( HDC hDC, INT xRes, INT yRes )
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{
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INT dx,dy;
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INT x,y;
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COLORREF color= RGB(0,0,0); // color of arrow
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dx= xRes/8;
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dy= yRes/8;
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for( x=0; x<xRes; x += dx )
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{
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DrawArrow( hDC, AW_TOP, dx/2+x, 0, color );
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DrawArrow( hDC, AW_BOTTOM, dx/2+x, yRes-1, color );
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}
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for( y=0; y<yRes; y += dy )
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{
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DrawArrow( hDC, AW_LEFT, 0, dy/2+y, color );
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DrawArrow( hDC, AW_RIGHT, xRes-1, dy/2+y, color );
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}
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}
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/****************************************************************************
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FUNCTION: LabelResolution
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PURPOSE: Labels the resolution in a form a user may understand.
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FEATURE: We could label vertically too.
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****************************************************************************/
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VOID LabelResolution( HDC hDC, INT xmin, INT ymin, INT xmax, INT ymax )
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{
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TCHAR szRes[120]; // text for resolution
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TCHAR szFmt[256]; // format string
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SIZE Size;
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INT iStatus;
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iStatus= LoadString( g_hInst, IDS_RESOLUTION_FMT, szFmt, ARRAYSIZE(szFmt) );
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if( !iStatus || iStatus==ARRAYSIZE(szFmt) )
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{
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lstrcpy(szFmt,TEXT("%d x %d")); // make sure we get something
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}
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wsprintf( szRes, szFmt, xmax, ymax );
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SetBkMode( hDC, TRANSPARENT );
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SetTextColor( hDC, RGB(0,0,0) );
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GetTextExtentPoint32( hDC, szRes, lstrlen(szRes), &Size );
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// Text near bottom of screen ~10 pixels from bottom
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TextOut( hDC, xmax/2 - Size.cx/2, ymax - 10-Size.cy, szRes, lstrlen(szRes) );
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}
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// table of resolutions that we show off.
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// if the resolution is larger, then we show that one too.
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typedef struct tagRESTAB {
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INT xRes;
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INT yRes;
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COLORREF crColor; // color to paint this resolution
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} RESTAB;
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RESTAB ResTab[] ={
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{ 1600, 1200, RGB(255,0,0)},
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{ 1280, 1024, RGB(0,255,0)},
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{ 1152, 900, RGB(0,0,255)},
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{ 1024, 768, RGB(255,0,0)},
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{ 800, 600, RGB(0,255,0)},
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// 640x480 or 640x400 handled specially
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{ 0, 0, 0} // end of table
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};
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/****************************************************************************
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FUNCTION: Set1152Mode
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PURPOSE: Set the height of the 1152 mode since it varies from card to
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card.
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****************************************************************************/
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VOID Set1152Mode(int height)
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{
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ResTab[2].yRes = height;
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}
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/****************************************************************************
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FUNCTION: DrawBmp
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PURPOSE: Show off a fancy screen so the user has some idea
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of what will be seen given this resolution, colour
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depth and vertical refresh rate. Note that we do not
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try to simulate the font sizes.
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****************************************************************************/
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VOID DrawBmp(HDC hDC)
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{
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INT nBpp; // bits per pixel
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INT nWidth; // width of screen in pixels
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INT nHeight; // height of screen in pixels
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INT xUsed,yUsed; // amount of x and y to use for dense bitmap
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INT dx,dy; // delta x and y for color bars
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RECT rct; // rectangle for passing bounds
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// HFONT hFont; // stock font for logfont
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// LOGFONT lf; // for creating new font
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HGDIOBJ hPrevFont=0; // previous font in DC
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HGDIOBJ hNewFont; // new font if possible
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HGDIOBJ hPrevPen; // previous pen handle
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INT x,y,i;
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INT off; // offset in dx units
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// try to use bigger better looking font
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//hFont= GetStockObject( DEVICE_DEFAULT_FONT );
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//GetObject( hFont, sizeof(LOGFONT), &lf );
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//lf.lfHeight= 30;
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//hNewFont= CreateFontIndirect( &lf );
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hNewFont = (HFONT)NULL;
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if( hNewFont ) // if no font, use old
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hPrevFont= SelectObject( hDC, hNewFont );
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// get surface information
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nBpp= GetDeviceCaps( hDC, BITSPIXEL ) * GetDeviceCaps( hDC, PLANES );
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nWidth= GetDeviceCaps( hDC, HORZRES );
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nHeight= GetDeviceCaps( hDC, VERTRES );
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// background for everything is yellow.
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PaintRect( hDC, 0,0,nWidth, nHeight, RGB(255,255,0),0 );
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LabelResolution( hDC, 0,0,nWidth, nHeight );
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// Background for various resolutions
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// biggest ones first
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for( i=0; ResTab[i].xRes !=0; i++ )
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{
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// Only draw if it will show
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if( ( nWidth>=ResTab[i].xRes ) | ( nHeight>=ResTab[i].yRes ) )
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{
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PaintRect(hDC,0,0,ResTab[i].xRes,ResTab[i].yRes,ResTab[i].crColor,0);
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LabelResolution( hDC, 0, 0, ResTab[i].xRes, ResTab[i].yRes);
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}
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}
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// color bars - only in standard vga area
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xUsed= min( nWidth, 640 ); // only use vga width
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yUsed= min( nHeight, 480 ); // could be 400 on some boards
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dx= xUsed/2;
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dy= yUsed/6;
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PaintRect( hDC, 0, 0, dx, dy*1, RGB(255,0,0), IDS_COLOR_RED );
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PaintRect( hDC, 0,dy*1, dx, dy*2, RGB(0,255,0), IDS_COLOR_GREEN );
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PaintRect( hDC, 0,dy*2, dx, dy*3, RGB(0,0,255), IDS_COLOR_BLUE );
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PaintRect( hDC, 0,dy*3, dx, dy*4, RGB(255,255,0 ),IDS_COLOR_YELLOW );
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PaintRect( hDC, 0,dy*4, dx, dy*5, RGB(255,0,255), IDS_COLOR_MAGENTA );
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PaintRect( hDC, 0,dy*5, dx, yUsed, RGB(0,255,255), IDS_COLOR_CYAN );
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// gradations of colors for true color detection
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for( x=dx; x<xUsed; x++ )
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{
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INT level;
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level= 255- ( 256*(x-dx) ) / dx;
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PaintRect( hDC, x, dy*0, x+1, dy*1, RGB( level,0,0 ),0 );
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PaintRect( hDC, x, dy*1, x+1, dy*2, RGB( 0,level,0 ),0 );
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PaintRect( hDC, x, dy*2, x+1, dy*3, RGB( 0,0,level ),0 );
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PaintRect( hDC, x, dy*5, x+1, dy*6, RGB( level,level,level), 0 );
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}
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MakeRect( &rct, dx,0,dx*2,dy*1 );
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LabelRect( hDC, &rct, IDS_RED_SHADES );
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MakeRect( &rct, dx,dy,dx*2,dy*2);
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LabelRect( hDC, &rct, IDS_GREEN_SHADES );
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MakeRect( &rct, dx,2*dy,dx*2,dy*3);
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LabelRect( hDC, &rct, IDS_BLUE_SHADES );
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MakeRect( &rct, dx,5*dy,dx*2,dy*6);
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LabelRect( hDC, &rct, IDS_GRAY_SHADES );
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// horizontal lines for interlace detection
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off= 3;
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PaintRect(hDC, dx,dy*off, xUsed, dy*(off+1),RGB(255,255,255),0 );// white
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hPrevPen= SelectObject( hDC, GetStockObject(BLACK_PEN) );
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for( y=dy*off; y<dy*(off+1); y= y+2 )
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{
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MoveToEx( hDC, dx, y, NULL );
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LineTo( hDC, dx*2, y );
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}
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SelectObject( hDC, hPrevPen );
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MakeRect( &rct, dx, dy*off, dx*2, dy*(off+1) );
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LabelRect( hDC, &rct, IDS_PATTERN_HORZ );
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// vertical lines for bad dac detection
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off= 4;
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PaintRect(hDC, dx,dy*off, xUsed,dy*(off+1), RGB(255,255,255),0 ); // white
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hPrevPen= SelectObject( hDC, GetStockObject(BLACK_PEN) );
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for( x=dx; x<xUsed; x= x+2 )
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{
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MoveToEx( hDC, x, dy*off, NULL );
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LineTo( hDC, x, dy*(off+1) );
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}
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SelectObject( hDC, hPrevPen );
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MakeRect( &rct, dx, dy*off, dx*2, dy*(off+1) );
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LabelRect( hDC, &rct, IDS_PATTERN_VERT );
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DrawArrows( hDC, nWidth, nHeight );
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LabelResolution(hDC, 0,0, xUsed, yUsed );
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// delete created font if one was created
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if( hPrevFont )
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{
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hPrevFont= SelectObject( hDC, hPrevFont );
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DeleteObject( hPrevFont );
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}
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}
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