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C++ TextLine::GetText方法代码示例

本文整理汇总了C++中TextLine::GetText方法的典型用法代码示例。如果您正苦于以下问题:C++ TextLine::GetText方法的具体用法?C++ TextLine::GetText怎么用?C++ TextLine::GetText使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在TextLine的用法示例。


在下文中一共展示了TextLine::GetText方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: GetLineHeight

CBSurface *CBFontTT::RenderTextToTexture(const WideString &text, int width, TTextAlign align, int maxHeight, int &textOffset) {
	TextLineList lines;
	WrapText(text, width, maxHeight, lines);


	TextLineList::iterator it;

	int textHeight = lines.size() * (m_MaxCharHeight + m_Ascender);
	SDL_Surface *surface = SDL_CreateRGBSurface(0, width, textHeight, 32, 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000);

	SDL_LockSurface(surface);

	int posY = (int)GetLineHeight() - (int)m_Descender;

	for (it = lines.begin(); it != lines.end(); ++it) {
		TextLine *line = (*it);
		int posX = 0;

		switch (align) {
		case TAL_CENTER:
			posX += (width - line->GetWidth()) / 2;
			break;

		case TAL_RIGHT:
			posX += width - line->GetWidth();
			break;
		}


		textOffset = 0;
		for (size_t i = 0; i < line->GetText().length(); i++) {
			wchar_t ch = line->GetText()[i];

			GlyphInfo *glyph = m_GlyphCache->GetGlyph(ch);
			if (!glyph) continue;

			textOffset = std::max(textOffset, glyph->GetBearingY());
		}


		int origPosX = posX;

		wchar_t prevChar = L'\0';
		for (size_t i = 0; i < line->GetText().length(); i++) {
			wchar_t ch = line->GetText()[i];

			GlyphInfo *glyph = m_GlyphCache->GetGlyph(ch);
			if (!glyph) continue;

			float kerning = 0;
			if (prevChar != L'\0') kerning = GetKerning(prevChar, ch);
			posX += (int)kerning;


			if (glyph->GetBearingY() > 0) {
				int i = 10;
			}

			SDL_Rect rect;
			rect.x = posX + glyph->GetBearingX();
			rect.y = posY - glyph->GetBearingY() + textOffset;
			rect.w = glyph->GetImage()->w;
			rect.h = glyph->GetImage()->h;

			BlitSurface(glyph->GetImage(), surface, &rect);

			prevChar = ch;
			posX += (int)(glyph->GetAdvanceX());
			posY += (int)(glyph->GetAdvanceY());
		}

		if (m_IsUnderline) {
			for (int i = origPosX; i < origPosX + line->GetWidth(); i++) {
				Uint8 *buf = (Uint8 *)surface->pixels + (int)(m_UnderlinePos + m_Ascender) * surface->pitch;
				Uint32 *buf32 = (Uint32 *)buf;

				buf32[i] = SDL_MapRGBA(surface->format, 255, 255, 255, 255);
			}
		}

		SDL_UnlockSurface(surface);

		delete line;
		line = NULL;
		posY += GetLineHeight();
	}

	CBSurfaceSDL *wmeSurface = new CBSurfaceSDL(Game);
	if (SUCCEEDED(wmeSurface->CreateFromSDLSurface(surface))) {
		SDL_FreeSurface(surface);
		return wmeSurface;
	} else {
		SDL_FreeSurface(surface);
		delete wmeSurface;
		return NULL;
	}
}
开发者ID:somaen,项目名称:Wintermute-git,代码行数:97,代码来源:BFontTT.cpp


注:本文中的TextLine::GetText方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。