Method RenderText

Shadows/SampleFramework11/SpriteRenderer.cpp:369–415

}

void SpriteRenderer::RenderText(const SpriteFont& font,
                                const wchar* text,
                                const Float4x4& transform,
                                const Float4& color)
{
    D3DPERF_BeginEvent(0xFFFFFFFF, L"SpriteRenderer RenderText");

    size_t length = wcslen(text);

    Float4x4 textTransform;

    uint64 numCharsToDraw = std::min(length, MaxBatchSize);
    uint64 currentDraw = 0;
    for(uint64 i = 0; i < numCharsToDraw; ++i)
    {
        wchar character = text[i];
        if(character == ' ')
            textTransform._41 += font.SpaceWidth();
        else if(character == '\n')
        {
            textTransform._42 += font.CharHeight();
            textTransform._41 = 0;
        }
        else
        {
            SpriteFont::CharDesc desc = font.GetCharDescriptor(character);

            textDrawData[currentDraw].Transform = textTransform * transform;
            textDrawData[currentDraw].Color = color;
            textDrawData[currentDraw].DrawRect.x = desc.X;
            textDrawData[currentDraw].DrawRect.y = desc.Y;
            textDrawData[currentDraw].DrawRect.z = desc.Width;
            textDrawData[currentDraw].DrawRect.w = desc.Height;
            currentDraw++;

            textTransform._41 += desc.Width + 1;
        }
    }

    // Submit a batch
    RenderBatch(font.SRView(), textDrawData, currentDraw);

    D3DPERF_EndEvent();

    if(length > numCharsToDraw)
        RenderText(font, text + numCharsToDraw, textTransform, color);
}

void SpriteRenderer::End()
{