font_class Class Reference

Public Member Functions
	font_class (const font_class &)
bool	Initialize (ID3D11Device *, ID3D11DeviceContext *, int)
void	Shutdown ()
ID3D11ShaderResourceView *	GetTexture ()
void	BuildVertexArray (void *, char *, float, float)
int	GetSentencePixelLength (char *)
int	GetFontHeight ()

Detailed Description

Definition at line 22 of file font_class.h.

Constructor & Destructor Documentation

font_class() [1/2]

font_class::font_class

(

)

Definition at line 3 of file font_class.cpp.

{
    m_Font = 0;
    m_Texture = 0;
}

font_class() [2/2]

font_class::font_class

(

const font_class &

other

)

Definition at line 10 of file font_class.cpp.

{
}

~font_class()

font_class::~font_class

(

)

Definition at line 15 of file font_class.cpp.

{
}

Member Function Documentation

BuildVertexArray()

void font_class::BuildVertexArray	(	void *	vertices,
		char *	sentence,
		float	drawX,
		float	drawY )

Definition at line 178 of file font_class.cpp.

{
    VertexType* vertexPtr;
    int numLetters, index, i, letter;
 
 
    // Coerce the input vertices into a VertexType structure.
    vertexPtr = (VertexType*)vertices;
 
    // Get the number of letters in the sentence.
    numLetters = (int)strlen(sentence);
 
    // Initialize the index to the vertex array.
    index = 0;
 
    // Draw each letter onto a quad.
    for (i = 0; i < numLetters; i++)
    {
        letter = ((int)sentence[i]) - 32;
 
        // If the letter is a space then just move over three pixels.
        if (letter == 0)
        {
            drawX = drawX + m_spaceSize;
        }
        else
        {
            // First triangle in quad.
            vertexPtr[index].position = XMFLOAT3(drawX, drawY, 0.0f);  // Top left.
            vertexPtr[index].texture = XMFLOAT2(m_Font[letter].left, 0.0f);
            index++;
 
            vertexPtr[index].position = XMFLOAT3((drawX + m_Font[letter].size), (drawY - m_fontHeight), 0.0f);  // Bottom right.
            vertexPtr[index].texture = XMFLOAT2(m_Font[letter].right, 1.0f);
            index++;
 
            vertexPtr[index].position = XMFLOAT3(drawX, (drawY - m_fontHeight), 0.0f);  // Bottom left.
            vertexPtr[index].texture = XMFLOAT2(m_Font[letter].left, 1.0f);
            index++;
 
            // Second triangle in quad.
            vertexPtr[index].position = XMFLOAT3(drawX, drawY, 0.0f);  // Top left.
            vertexPtr[index].texture = XMFLOAT2(m_Font[letter].left, 0.0f);
            index++;
 
            vertexPtr[index].position = XMFLOAT3(drawX + m_Font[letter].size, drawY, 0.0f);  // Top right.
            vertexPtr[index].texture = XMFLOAT2(m_Font[letter].right, 0.0f);
            index++;
 
            vertexPtr[index].position = XMFLOAT3((drawX + m_Font[letter].size), (drawY - m_fontHeight), 0.0f);  // Bottom right.
            vertexPtr[index].texture = XMFLOAT2(m_Font[letter].right, 1.0f);
            index++;
 
            // Update the x location for drawing by the size of the letter and one pixel.
            drawX = drawX + m_Font[letter].size + 1.0f;
        }
    }
 
    return;
}

GetFontHeight()

int font_class::GetFontHeight

(

)

Definition at line 265 of file font_class.cpp.

{
    return (int)m_fontHeight;
}

GetSentencePixelLength()

int font_class::GetSentencePixelLength

(

char *

sentence

)

Definition at line 239 of file font_class.cpp.

{
    int pixelLength, numLetters, i, letter;
 
 
    pixelLength = 0;
    numLetters = (int)strlen(sentence);
 
    for (i = 0; i < numLetters; i++)
    {
        letter = ((int)sentence[i]) - 32;
 
        // If the letter is a space then count it as three pixels.
        if (letter == 0)
        {
            pixelLength += m_spaceSize;
        }
        else
        {
            pixelLength += (m_Font[letter].size + 1);
        }
    }
 
    return pixelLength;
}

GetTexture()

ID3D11ShaderResourceView * font_class::GetTexture

(

)

Definition at line 173 of file font_class.cpp.

{
    return m_Texture->GetTexture();
}

Initialize()

bool font_class::Initialize	(	ID3D11Device *	device,
		ID3D11DeviceContext *	deviceContext,
		int	fontChoice )

Definition at line 19 of file font_class.cpp.

{
    Logger::Get().Log("Initializing font class", __FILE__, __LINE__, Logger::LogLevel::Initialize);
 
    char fontFilename[128];
    char fontTextureFilename[128];
    bool result;
 
    // Choose one of the available fonts, and default to the first font otherwise.
    switch (fontChoice)
    {
    case 0:
    {
        strcpy_s(fontFilename, "font01.txt");
        strcpy_s(fontTextureFilename, "font01.tga");
        m_fontHeight = 32.0f;
        m_spaceSize = 3;
        break;
    }
    default:
    {
        strcpy_s(fontFilename, "font01.txt");
        strcpy_s(fontTextureFilename, "font01.tga");
        m_fontHeight = 32.0f;
        m_spaceSize = 3;
        break;
    }
    }
 
    // Load in the text file containing the font data.
    result = LoadFontData(fontFilename);
    if (!result)
    {
        Logger::Get().Log("Failed to load font data", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    // Load the texture that has the font characters on it.
    result = LoadTexture(device, deviceContext, fontTextureFilename);
    if (!result)
    {
        Logger::Get().Log("Failed to load font texture", __FILE__, __LINE__, Logger::LogLevel::Error);
        return false;
    }
 
    Logger::Get().Log("Font class initialized", __FILE__, __LINE__, Logger::LogLevel::Initialize);
 
    return true;
}

Shutdown()

void font_class::Shutdown

(

)

Definition at line 69 of file font_class.cpp.

{
    // Release the font texture.
    ReleaseTexture();
 
    // Release the font data.
    ReleaseFontData();
 
    return;
}

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The documentation for this class was generated from the following files:

• enginecustom/src/inc/system/font_class.h
• enginecustom/src/src/system/font_class.cpp