Exemplo n.º 1
0
COLORREF RGBFromAttrib2(PCONSOLE Console, WORD Attribute)
{
    HPALETTE hPalette = Console->ActiveBuffer->PaletteHandle;
    PALETTEENTRY pe;

    if (hPalette == NULL) return RGBFromAttrib(Console, Attribute);

    GetPaletteEntries(hPalette, Attribute, 1, &pe);
    return PALETTERGB(pe.peRed, pe.peGreen, pe.peBlue);
}
Exemplo n.º 2
0
Arquivo: text.c Projeto: GYGit/reactos
VOID
GuiPaintTextModeBuffer(PTEXTMODE_SCREEN_BUFFER Buffer,
                       PGUI_CONSOLE_DATA GuiData,
                       HDC hDC,
                       PRECT rc)
{
    PCONSOLE Console = Buffer->Header.Console;
    // ASSERT(Console == GuiData->Console);

    ULONG TopLine, BottomLine, LeftChar, RightChar;
    ULONG Line, Char, Start;
    PCHAR_INFO From;
    PWCHAR To;
    WORD LastAttribute, Attribute;
    ULONG CursorX, CursorY, CursorHeight;
    HBRUSH CursorBrush, OldBrush;
    HFONT OldFont;

    if (Buffer->Buffer == NULL) return;

    TopLine = rc->top / GuiData->CharHeight + Buffer->ViewOrigin.Y;
    BottomLine = (rc->bottom + (GuiData->CharHeight - 1)) / GuiData->CharHeight - 1 + Buffer->ViewOrigin.Y;
    LeftChar = rc->left / GuiData->CharWidth + Buffer->ViewOrigin.X;
    RightChar = (rc->right + (GuiData->CharWidth - 1)) / GuiData->CharWidth - 1 + Buffer->ViewOrigin.X;

    LastAttribute = ConioCoordToPointer(Buffer, LeftChar, TopLine)->Attributes;

    SetTextColor(hDC, RGBFromAttrib(Console, TextAttribFromAttrib(LastAttribute)));
    SetBkColor(hDC, RGBFromAttrib(Console, BkgdAttribFromAttrib(LastAttribute)));

    if (BottomLine >= Buffer->ScreenBufferSize.Y) BottomLine = Buffer->ScreenBufferSize.Y - 1;
    if (RightChar  >= Buffer->ScreenBufferSize.X) RightChar  = Buffer->ScreenBufferSize.X - 1;

    OldFont = SelectObject(hDC, GuiData->Font);

    for (Line = TopLine; Line <= BottomLine; Line++)
    {
        WCHAR LineBuffer[80];   // Buffer containing a part or all the line to be displayed
        From  = ConioCoordToPointer(Buffer, LeftChar, Line);    // Get the first code of the line
        Start = LeftChar;
        To    = LineBuffer;

        for (Char = LeftChar; Char <= RightChar; Char++)
        {
            /*
             * We flush the buffer if the new attribute is different
             * from the current one, or if the buffer is full.
             */
            if (From->Attributes != LastAttribute || (Char - Start == sizeof(LineBuffer) / sizeof(WCHAR)))
            {
                TextOutW(hDC,
                         (Start - Buffer->ViewOrigin.X) * GuiData->CharWidth ,
                         (Line  - Buffer->ViewOrigin.Y) * GuiData->CharHeight,
                         LineBuffer,
                         Char - Start);
                Start = Char;
                To    = LineBuffer;
                Attribute = From->Attributes;
                if (Attribute != LastAttribute)
                {
                    SetTextColor(hDC, RGBFromAttrib(Console, TextAttribFromAttrib(Attribute)));
                    SetBkColor(hDC, RGBFromAttrib(Console, BkgdAttribFromAttrib(Attribute)));
                    LastAttribute = Attribute;
                }
            }

            *(To++) = (From++)->Char.UnicodeChar;
        }

        TextOutW(hDC,
                 (Start - Buffer->ViewOrigin.X) * GuiData->CharWidth ,
                 (Line  - Buffer->ViewOrigin.Y) * GuiData->CharHeight,
                 LineBuffer,
                 RightChar - Start + 1);
    }

    /*
     * Draw the caret
     */
    if (Buffer->CursorInfo.bVisible &&
        Buffer->CursorBlinkOn &&
        !Buffer->ForceCursorOff)
    {
        CursorX = Buffer->CursorPosition.X;
        CursorY = Buffer->CursorPosition.Y;
        if (LeftChar <= CursorX && CursorX <= RightChar &&
            TopLine  <= CursorY && CursorY <= BottomLine)
        {
            CursorHeight = ConioEffectiveCursorSize(Console, GuiData->CharHeight);
            Attribute = ConioCoordToPointer(Buffer, Buffer->CursorPosition.X, Buffer->CursorPosition.Y)->Attributes;

            if (Attribute != DEFAULT_SCREEN_ATTRIB)
            {
                CursorBrush = CreateSolidBrush(RGBFromAttrib(Console, Attribute));
            }
            else
            {
                CursorBrush = CreateSolidBrush(RGBFromAttrib(Console, Buffer->ScreenDefaultAttrib));
            }

            OldBrush = SelectObject(hDC, CursorBrush);
            PatBlt(hDC,
                   (CursorX - Buffer->ViewOrigin.X) * GuiData->CharWidth,
                   (CursorY - Buffer->ViewOrigin.Y) * GuiData->CharHeight + (GuiData->CharHeight - CursorHeight),
                   GuiData->CharWidth,
                   CursorHeight,
                   PATCOPY);
            SelectObject(hDC, OldBrush);
            DeleteObject(CursorBrush);
        }
    }

    SelectObject(hDC, OldFont);
}