diff options
Diffstat (limited to 'Project/OpenGLText.cpp')
| -rw-r--r-- | Project/OpenGLText.cpp | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/Project/OpenGLText.cpp b/Project/OpenGLText.cpp index 5e1c40b..0dca4eb 100644 --- a/Project/OpenGLText.cpp +++ b/Project/OpenGLText.cpp @@ -16,7 +16,9 @@ */ #include <wx/log.h> +#include <wx/graphics.h> #include "OpenGLText.h" +#include <algorithm> OpenGLText::OpenGLText() { Init(); } OpenGLText::OpenGLText(wxString text) @@ -69,11 +71,40 @@ void OpenGLText::Draw(wxPoint2DDouble position, double angle) const } } +void OpenGLText::DrawDC(wxPoint2DDouble position, wxGraphicsContext* gc, double angle) const +{ + gc->SetFont(wxFont(m_fontSize, m_fontFamily, m_fontStyle, m_fontWeight), wxColour(0, 0 , 0 , 255)); + gc->DrawText(m_text, position.m_x, position.m_y, angle); +} + void OpenGLText::SetText(wxString text) { m_text = text; - TextToBitmap(); - LoadTextTexture(); + bool contextValid = false; +#ifdef __LINUX__ + if(glXGetCurrentContext()) contextValid = true; +#endif +#ifdef __APPLE__ + if(aglGetCurrentContext()) contextValid = true; +#endif +#ifdef __WINDOWS__ + if (wglGetCurrentContext()) contextValid = true; +#endif + + if (contextValid) { + TextToBitmap(); + LoadTextTexture(); + } + else + { + // If the context is not valid, the text still can be rendered using wxDC. + // So, the text size must be calculated + wxFont font = wxFont(m_fontSize, m_fontFamily, m_fontStyle, m_fontWeight); + + wxMemoryDC memDC; + memDC.SetFont(font); + m_bitmapSize = memDC.GetTextExtent(m_text); + } } int OpenGLText::RoundToPowerOfTwo(int value, int min) @@ -81,7 +112,8 @@ int OpenGLText::RoundToPowerOfTwo(int value, int min) //[Ref] https://stackoverflow.com/questions/466204/rounding-up-to-next-power-of-2 double baseOfTwo = std::log(static_cast<double>(value)) / std::log(2.0); int powerOfTwo = static_cast<int>(std::pow(2.0, static_cast<int>(std::ceil(baseOfTwo)))); - return std::max(min, powerOfTwo); + //return std::max(min, powerOfTwo); + return min > powerOfTwo ? min : powerOfTwo; } void OpenGLText::TextToBitmap() |