text_class Class Reference

Public Member Functions
	text_class (const text_class &)
bool	Initialize (ID3D11Device *, ID3D11DeviceContext *, int, int, int, font_class *, char *, int, int, float, float, float)
void	Shutdown ()
void	Render (ID3D11DeviceContext *)
int	GetIndexCount ()
bool	UpdateText (ID3D11DeviceContext *, font_class *, char *, int, int, float, float, float)
XMFLOAT4	GetPixelColor ()

Detailed Description

Definition at line 12 of file text_class.h.

Constructor & Destructor Documentation

text_class() [1/2]

text_class::text_class

(

)

Definition at line 4 of file text_class.cpp.

{
    m_vertexBuffer = 0;
    m_indexBuffer = 0;
}

text_class() [2/2]

text_class::text_class

(

const text_class &

other

)

Definition at line 11 of file text_class.cpp.

{
}

~text_class()

text_class::~text_class

(

)

Definition at line 16 of file text_class.cpp.

{
}

Member Function Documentation

GetIndexCount()

int text_class::GetIndexCount

(

)

Definition at line 59 of file text_class.cpp.

{
    return m_indexCount;
}

GetPixelColor()

XMFLOAT4 text_class::GetPixelColor

(

)

Definition at line 247 of file text_class.cpp.

{
    return m_pixelColor;
}

Initialize()

bool text_class::Initialize	(	ID3D11Device *	device,
		ID3D11DeviceContext *	deviceContext,
		int	screenWidth,
		int	screenHeight,
		int	maxLength,
		font_class *	Font,
		char *	text,
		int	positionX,
		int	positionY,
		float	red,
		float	green,
		float	blue )

Definition at line 20 of file text_class.cpp.

{
    bool result;
 
 
    // Store the screen width and height.
    m_screenWidth = screenWidth;
    m_screenHeight = screenHeight;
 
    // Store the maximum length of the sentence.
    m_maxLength = maxLength;
 
    // Initalize the sentence.
    result = InitializeBuffers(device, deviceContext, Font, text, positionX, positionY, red, green, blue);
    if (!result)
    {
        return false;
    }
 
    return true;
}

Render()

void text_class::Render

(

ID3D11DeviceContext *

deviceContext

)

Definition at line 51 of file text_class.cpp.

{
    // Put the vertex and index buffers on the graphics pipeline to prepare them for drawing.
    RenderBuffers(deviceContext);
 
    return;
}

Shutdown()

void text_class::Shutdown

(

)

Definition at line 43 of file text_class.cpp.

{
    // Release the vertex and index buffers.
    ShutdownBuffers();
 
    return;
}

UpdateText()

bool text_class::UpdateText	(	ID3D11DeviceContext *	deviceContext,
		font_class *	Font,
		char *	text,
		int	positionX,
		int	positionY,
		float	red,
		float	green,
		float	blue )

Definition at line 169 of file text_class.cpp.

{
    int numLetters;
    VertexType* vertices;
    float drawX, drawY;
    HRESULT result;
    D3D11_MAPPED_SUBRESOURCE mappedResource;
    VertexType* verticesPtr;
 
    // Store the color of the sentence.
    m_pixelColor = XMFLOAT4(red, green, blue, 1.0f);
 
    // Get the number of letters in the sentence.
    numLetters = (int)strlen(text);
 
    // Check for possible buffer overflow.
    if (numLetters > m_maxLength)
    {
        return false;
    }
 
    // Create the vertex array.
    vertices = new VertexType[m_vertexCount];
 
    // Initialize vertex array to zeros at first.
    memset(vertices, 0, (sizeof(VertexType) * m_vertexCount));
 
    // Calculate the X and Y pixel position on the screen to start drawing to.
    drawX = (float)(((m_screenWidth / 2) * -1) + positionX);
    drawY = (float)((m_screenHeight / 2) - positionY);
 
    // Use the font class to build the vertex array from the sentence text and sentence draw location.
    Font->BuildVertexArray((void*)vertices, text, drawX, drawY);
 
    // Lock the vertex buffer so it can be written to.
    result = deviceContext->Map(m_vertexBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);
    if (FAILED(result))
    {
        return false;
    }
 
    // Get a pointer to the data in the vertex buffer.
    verticesPtr = (VertexType*)mappedResource.pData;
 
    // Copy the data into the vertex buffer.
    memcpy(verticesPtr, (void*)vertices, (sizeof(VertexType) * m_vertexCount));
 
    // Unlock the vertex buffer.
    deviceContext->Unmap(m_vertexBuffer, 0);
 
    // Release the vertex array as it is no longer needed.
    delete[] vertices;
    vertices = 0;
 
    return true;
}

---

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

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