Method drawText

examples/OpenGLWindow/SimpleOpenGL3App.cpp:638–706

}

void SimpleOpenGL3App::drawText(const char* txt, int posXi, int posYi, float size, float colorRGBA[4])
{
	float posX = (float)posXi;
	float posY = (float)posYi;

	//
	//printf("str = %s\n",unicodeText);

	float dx = 0;

	//int measureOnly=0;

	glEnable(GL_BLEND);
	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

	if (1)  //m_useTrueTypeFont)
	{
		bool measureOnly = false;

		float fontSize = 64 * size;  //512;//128;
		sth_draw_text(m_data->m_fontStash,
					  m_data->m_droidRegular, fontSize, posX, posY,
					  txt, &dx, this->m_instancingRenderer->getScreenWidth(),
					  this->m_instancingRenderer->getScreenHeight(),
					  measureOnly,
					  m_window->getRetinaScale(), colorRGBA);

		sth_end_draw(m_data->m_fontStash);
		sth_flush_draw(m_data->m_fontStash);
	}
	else
	{
		//float width = 0.f;
		int pos = 0;
		//float color[]={0.2f,0.2,0.2f,1.f};
		glActiveTexture(GL_TEXTURE0);
		glBindTexture(GL_TEXTURE_2D, m_data->m_largeFontTextureId);

		//float width = r.x;
		//float extraSpacing = 0.;

		float startX = posX;
		float startY = posY;

		while (txt[pos])
		{
			int c = txt[pos];
			//r.h = g_DefaultNormalFont->m_CharHeight;
			//r.w = g_DefaultNormalFont->m_CharWidth[c]+extraSpacing;
			float endX = startX + g_DefaultLargeFont->m_CharWidth[c];
			float endY = startY + g_DefaultLargeFont->m_CharHeight;

			float currentColor[] = {0.2f, 0.2, 0.2f, 1.f};

			m_primRenderer->drawTexturedRect(startX, startY, endX, endY, currentColor, g_DefaultLargeFont->m_CharU0[c], g_DefaultLargeFont->m_CharV0[c], g_DefaultLargeFont->m_CharU1[c], g_DefaultLargeFont->m_CharV1[c]);

			//DrawTexturedRect(0,r,g_DefaultNormalFont->m_CharU0[c],g_DefaultNormalFont->m_CharV0[c],g_DefaultNormalFont->m_CharU1[c],g_DefaultNormalFont->m_CharV1[c]);
			//	DrawFilledRect(r);