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C++ RGBA函数代码示例

本文整理汇总了C++中RGBA函数的典型用法代码示例。如果您正苦于以下问题：C++ RGBA函数的具体用法？C++ RGBA怎么用？C++ RGBA使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了RGBA函数的15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: draw_options_menu_bg

void draw_options_menu_bg(MenuData* menu) {
	draw_main_menu_bg(menu, 0, 0, 0.05, "abstract_brown", "stage1/cirnobg");

	r_mat_push();
	r_mat_scale(SCREEN_W, SCREEN_H, 1);
	r_shader_standard_notex();
	r_mat_translate(0.5,0.5,0);
	r_color(RGBA(0, 0, 0, 0.5));
	r_draw_quad();
	r_mat_pop();
	r_shader_standard();
	
	r_color4(1, 1, 1, 1);
}
开发者ID:laochailan，项目名称:taisei，代码行数:14，代码来源:options.c

示例2: RGBA

void Draw_Dxf::addArc(const DL_ArcData& data)
{
    RGBA color = RGBA(150,150,150);
    Shape* p;

    if(data.angle1 < data.angle2) {
        p = CreateArc(_painter,RGBA(255,255,255),(FLOAT)data.cx,(FLOAT)data.cy,(FLOAT)data.radius,(FLOAT)data.angle1,(FLOAT)(data.angle2-data.angle1));
        p->regen();
    }
    else {
        p = CreateArc(_painter,RGBA(255,255,255),(FLOAT)data.cx,(FLOAT)data.cy,(FLOAT)data.radius,(FLOAT)data.angle1,(FLOAT)(360+data.angle2-data.angle1));
        p->regen();
    }


    TCHAR* layerName;

    if(_isBlockOpen) _block->insert(p);
    else {
        switch(_entityType) {
        case NONE :
            for(UINT i=0; i<_layers->size(); i++) {
                layerName = _layers->at(i)->getName();
                if(0 == _tcscmp(layerName,String2TCHAR(attributes.getLayer()))) {
                    _layers->at(i)->insert(p);
                    _layers->at(i)->getLineColor(color);
                    break;
                }
            }
            break;
        }
    }

    INT32 clValue = attributes.getColor();
    if(clValue != 256) color = CL2RGBA(clValue);
    p->setLineColor(color);
}
开发者ID:japgo，项目名称:mygithub，代码行数:37，代码来源:drawdxf.cpp

示例3: LoadImgByUrl

/**
 * 从profile中读取大头像, 如果本地没有则进行下载
 *
 * \param pApp
 * \param ResponseInfoPhoto
 *
 * \return 
 */
Boolean TPhotosGetAlbumsForm::_UpdateProfilePhoto(TApplication* pApp, tResponseUsersGetInfo* ResponseInfoPhoto)
{

	if(ResponseInfoPhoto == NULL)
		return FALSE;
	
	if(ResponseInfoPhoto->nArraySize > 0)
	{
		TBitmap* pDownLoadBitmap = NULL;
		pDownLoadBitmap = LoadImgByUrl(ResponseInfoPhoto->Array[0].headurl);						
		if(pDownLoadBitmap == NULL)
		{
			RenRenAPICommon_DownloadPhoto(ResponseInfoPhoto->Array[0].headurl, this->GetWindowHwndId(), FEED_PROFILE_IMAGE_INDEX);	
		}
		else
		{
			TMaskButton* pLogo = NULL;
			pLogo = static_cast<TMaskButton*>(GetControlPtr(m_ProfileImageID));
			if(pLogo)
			{
				TRectangle rc;
				TBitmap * pProfileImageTmp = NULL;	//Profile的头像

				pLogo->GetBounds(&rc);
				
				pProfileImageTmp = TBitmap::Create(RR_HEAD_W, RR_HEAD_W, pDownLoadBitmap->GetDepth());
				pProfileImageTmp->QuickZoom(pDownLoadBitmap, TRUE, TRUE,RGBA(0,0,0,255));
				pLogo->SetCaption(TUSTR_Re_NULL,0,0);
				pLogo->SetImage(pProfileImageTmp, (rc.Width()-pProfileImageTmp->GetWidth())/2, (rc.Height()-pProfileImageTmp->GetHeight())/2);
				pLogo->Draw();

				//如果先Desroy,则会崩溃,很奇怪,原因不明,暂时这么处理
				if( pProfileImage != NULL)
				{
					pProfileImage->Destroy();
					pProfileImage = NULL; 							
				}
				pProfileImage = pProfileImageTmp;
				
			}

			//释放图片
			pDownLoadBitmap->Destroy();
			pDownLoadBitmap = NULL; 	
		}
	}

	return TRUE;
}
开发者ID:pengjohn，项目名称:RenRen，代码行数:57，代码来源:RenRenForm_PhotosGetAlbums.cpp

示例4: if

void CMapEdit::Draw()
{
	if(m_nCurrentStatus == MapEdit_Status_Free)
		m_Map.Draw(m_nCurDrawMapFlag);
	else if(m_nCurrentStatus == MapEdit_Status_Select)
	{
		if(m_pTexture!=NULL)
		{
			
			m_pVideoDriver->RenderQuad(m_Map.GetBackGroundTexture(),0,0,DISPLAY_WIDTH,DISPLAY_HEIGHT,0,0,1,1,0,0xffffffff);

			m_pVideoDriver->RenderQuad(m_pTexture, m_nDisplayLeft,m_nDisplayTop,
				DISPLAY_WIDTH, DISPLAY_HEIGHT, 
				0, 0 ,1,1,0,RGBA(255,255,255,100));

		}
		
	}

	//Draw cursor
	m_pVideoDriver->RenderQuad(m_pTexture, 0, 0, CELL_SIZE, CELL_SIZE, 
		m_nCurX, m_nCurY,1,1,0,RGBA(255,255,255,100));

}
开发者ID:eickegao，项目名称:avgscript，代码行数:24，代码来源:MapEdit.cpp

示例5: Command_Help

static void Command_Help(const CommandConsoleArgs& args)
{
	if(args.m_argList.size() == 1)
	{
		_console->ShowAllRegisteredCmd();
	}
	else if(args.m_argList.size() == 2)
	{
		_console->ShowCommandDesc(args.m_argList[1].c_str());
	}
	else
	{
		_console->DrawSentence("ERROR: Wrong Arguments. Usage : <Help> <Command>.",RGBA(1.0f,0.0f,0.0f,1.0f));
	}
};
开发者ID:rex19851031，项目名称:Engine，代码行数:15，代码来源:DeveloperConsole.cpp

示例6: RGBA

AreaLight::AreaLight(std::ifstream &stream, Matrix4x4 transform)
{
	m_transform = transform;
    stream.read( reinterpret_cast<char *>( &m_strength), sizeof m_strength);
	stream.read( reinterpret_cast<char *>( &(m_size[0])), sizeof m_size[0]);
    stream.read( reinterpret_cast<char *>( &(m_size[1])), sizeof m_size[1]);
    //m_color = RGBA(stream);
    m_color = RGBA(1.0f);
	m_color[0] = pow(m_color[0],2.2f);
	m_color[1] = pow(m_color[1],2.2f);
	m_color[2] = pow(m_color[2],2.2f);
    m_normal = Vec3(0.0f,0.0f,1.0f);
    m_transform.multDirMatrix(m_normal, m_normal);
    m_area = m_size[0] * m_size[1];
}
开发者ID:vidarn，项目名称:raytracer-experiment，代码行数:15，代码来源:area.cpp

示例7: switch

DWORD CPNGFile::GetPix(int iX, int iY)
{
	// image loaded?
	if (!pImageData) return 0;
	// return pixel value
	unsigned char *pPix=pImageData+iY*iRowSize+iX*iPixSize;
	switch (iClrType)
	{
	case PNG_COLOR_TYPE_RGB:
		return C4RGB(pPix[2], pPix[1], pPix[0]);
	case PNG_COLOR_TYPE_RGB_ALPHA:
		return RGBA(pPix[2], pPix[1], pPix[0], pPix[3]);
	}
	return 0;
}
开发者ID:sarah-russell12，项目名称:openclonk，代码行数:15，代码来源:StdPNG.cpp

示例8: getThemeColor

int
getThemeColor(Vbitmap *vbitmap)
{
  int colors[8];
  int scores[8];
  int ncolors;

  ncolors = getThemeColors(vbitmap, sizeof(colors) / sizeof(colors[0]), colors, scores);

  if (ncolors <= 0 || colors == NULL) {
    return RGBA(0, 0, 0, 0);
  }

  return colors[0];
}
开发者ID:frydsh，项目名称:FlickrGuideViewDemo，代码行数:15，代码来源:quantize.c

示例9: RGBA

void ParticleUpdateFunctions::DebrisUpdate(Emitter& emitter,Particle& particle,float deltaTime)
{
	if(particle.surviveTime == emitter.survivalTime)
	{
		float yawRadians = (rand() & MOD_MASK_1024) * 0.00628f;
		particle.velocity.x = 2.0f*cos(yawRadians);
		particle.velocity.y = 2.0f*sin(yawRadians);
		particle.color = RGBA(0.0f,0.8f,1.0f,1.0f);
	}

	Vec3f force;

	particle.position += particle.velocity * deltaTime;
	force += particle.velocity * -particle.c + Vec3f(0.0f,0.0f,-9.8f*particle.mass);

	float massOverOne = 1.0f/particle.mass;
	Vec3f acceleration = force * massOverOne;

	particle.velocity += acceleration * deltaTime;
	particle.surviveTime -= deltaTime;

	if(particle.position.z < -2.0f)
	{
		particle.velocity.z *= -0.5f;
	}

	if(particle.surviveTime < 0)
	{
		Vec3f positionDifference = emitter.maxPos - emitter.minPos;
		Vec3f randomCoefficient = Vec3f(((rand() & MOD_MASK_1024) * 0.001f),((rand() & MOD_MASK_1024) * 0.001f),((rand() & MOD_MASK_1024) * 0.001f));
		particle.position = emitter.minPos + (positionDifference * randomCoefficient);
		particle.surviveTime = emitter.survivalTime;
		particle.velocity = emitter.velocity;
		particle.color = RGBA(0.0f,0.8f,1.0f,1.0f);
	}
}
开发者ID:rex19851031，项目名称:Engine，代码行数:36，代码来源:ParticleUpdateFunctions.cpp

示例10: Vec3f

void ParticleUpdateFunctions::LeafUpdate(Emitter& emitter,Particle& particle,float deltaTime)
{
	Vec3f force = Vec3f(((rand() & MOD_MASK_1024) * 0.002f - 1.0f),((rand() & MOD_MASK_1024) * 0.002f - 1.0f),((rand() & MOD_MASK_1024) * 0.002f - 1.0f));
	particle.color = RGBA(1.0f,1.0f,1.0f,0.5f);
	particle.position += (particle.velocity) * deltaTime;
	force += (particle.velocity - windForce) * - particle.c;
	
	float massOverOne = 1.0f/particle.mass;
	Vec3f acceleration = force * massOverOne;

	particle.velocity += acceleration * deltaTime;
	particle.surviveTime -= deltaTime;

	if(particle.surviveTime < 0)
	{
		Vec3f positionDifference = emitter.maxPos - emitter.minPos;
		Vec3f randomCoefficient = Vec3f(((rand() & MOD_MASK_1024) * 0.001f),((rand() & MOD_MASK_1024) * 0.001f),((rand() & MOD_MASK_1024) * 0.001f));
		particle.position = emitter.minPos + (positionDifference * randomCoefficient);
		particle.surviveTime = emitter.survivalTime;
		float offset = 512.f;
		particle.velocity = Vec3f((((rand() & MOD_MASK_1024) - offset) * 0.001f),(((rand() & MOD_MASK_1024) - offset) * 0.001f),(((rand() & MOD_MASK_1024) - offset) * 0.001f)) * 50.0f + emitter.velocity;
		particle.color = RGBA(1.0f,1.0f,1.0f,0.5f);
	}
}
开发者ID:rex19851031，项目名称:Engine，代码行数:24，代码来源:ParticleUpdateFunctions.cpp

示例11: ss

GdkPixbuf *sp_cursor_pixbuf_from_xpm(char const *const *xpm, GdkColor const& black, GdkColor const& white, guint32 fill, guint32 stroke)
{
    int height = 0;
    int width = 0;
    int colors = 0;
    int pix = 0;
    std::stringstream ss (std::stringstream::in | std::stringstream::out);
    ss << xpm[0];
    ss >> height;
    ss >> width;
    ss >> colors;
    ss >> pix;
    
    std::map<char, RGBA> colorMap;

    for (int i = 0; i < colors; i++) {

        char const *p = xpm[1 + i];
        g_assert(*p >=0);
        unsigned char const ccode = (guchar) *p;

        p++;
        while (isspace(*p)) {
            p++;
        }
        p++;
        while (isspace(*p)) {
            p++;
        }

        if (strcmp(p, "None") == 0) {
            colorMap[ccode] = RGBA();
        } else if (strcmp(p, "Fill") == 0) {
            colorMap[ccode] = RGBA(SP_RGBA32_R_U(fill), SP_RGBA32_G_U(fill), SP_RGBA32_B_U(fill), SP_RGBA32_A_U(fill));
        } else if (strcmp(p, "Stroke") == 0) {
            colorMap[ccode] = RGBA(SP_RGBA32_R_U(stroke), SP_RGBA32_G_U(stroke), SP_RGBA32_B_U(stroke), SP_RGBA32_A_U(stroke));
        } else if (strcmp(p, "#000000") == 0) {
            colorMap[ccode] = RGBA(black.red, black.green, black.blue, 255);
        } else if (strcmp(p, "#FFFFFF") == 0) {
            colorMap[ccode] = RGBA(white.red, white.green, white.blue, 255);
        } else {
            colorMap[ccode] = RGBA();
        }
    }

    guint32 *pixmap_buffer = new guint32[width * height];

    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            std::map<char, RGBA>::const_iterator it = colorMap.find(xpm[1 + colors + y][x]);
            pixmap_buffer[y * width + x] = (it == colorMap.end()) ? 0u : it->second;
        }
    }

    return gdk_pixbuf_new_from_data(reinterpret_cast<guchar*>(pixmap_buffer), GDK_COLORSPACE_RGB, TRUE, 8, width, height, width * sizeof(guint32), free_cursor_data, NULL);
}
开发者ID:AakashDabas，项目名称:inkscape，代码行数:56，代码来源:sp-cursor.cpp

示例12: bsglCreate

bsglWidget::bsglWidget(int x, int y, int width, int height) {
    bsgl = bsglCreate(BSGL_VERSION);
    x_ = x;
    y_ = y;
    w_ = width;
    h_ = height;
    col_ = RGBA(255, 255, 255, 255);
    focus_ = false;
    quad_.v[0].z = 0.f;
    quad_.v[1].z = 0.f;
    quad_.v[2].z = 0.f;
    quad_.v[3].z = 0.f;
    quad_.tex = 0;
    quad_.blend = BLEND_DEFAULT;
}
开发者ID:funcman，项目名称:bsgl，代码行数:15，代码来源:bsglwidget.cpp

示例13: ParsePyTupleError

	// Reload The Sprite
	PyObject* Python::B2D_ReloadSprite (PyObject* Self, PyObject* Args){

		// Create Variables
		int spriteReference; float x, y; int width, height; char* texturePath, *colour = "FFFFFFFF";

		// Look For Errors
    	if (!PyArg_ParseTuple (Args, "ffiis|s", &spriteReference, &x, &y, &width, &height, &texturePath, &colour)){
    		ParsePyTupleError (__func__, __LINE__);
    	}

		RGBA rgba = RGBA (colour);

		// Set Function
		Python::spriteList[spriteReference].Reload (Vector2::Point (x, y), width, height, texturePath, rgba);
		Py_RETURN_NONE;
	}
开发者ID:K-Finlay，项目名称:B2D，代码行数:17，代码来源:PyRenderSprite.cpp

示例14: DrawSentence

void DeveloperConsole::Draw()
{
	m_widthTable.clear();
	OpenGLRenderer::BindWhiteTexture();
	OpenGLRenderer::DrawVertexWithVertexArray2D(m_backgroundLayer,8,OpenGLRenderer::SHAPE_QUADS,m_screenSizes.x,m_screenSizes.y);
	
	for(size_t index = 1; index < m_logLines.size(); index++)
	{
		size_t LogStartLine = m_logLines.size() - index - m_currentStartDrawingLineNum;
		if(LogStartLine != 0)
			DrawSentence(m_logLines[index].text.c_str(),m_logLines.size() - index - m_currentStartDrawingLineNum,m_logLines[index].fontSize,m_logLines[index].color,m_logLines[index].font);
	}
	
	DrawSentence(m_logLines[0].text.c_str(),0,m_logLines[0].fontSize,RGBA(),m_logLines[0].font);
	DrawCursor();
}
开发者ID:rex19851031，项目名称:Engine，代码行数:16，代码来源:DeveloperConsole.cpp

示例15: AABB2

void MainMenuState::Render() const {
	g_theRenderer->ClearScreen(0.f, 0.f, 0.f);

	AABB2 quad = AABB2(Vector2(0.f, 0.f), Vector2(1600.f, 900.f));
	g_theRenderer->DrawTexturedAABB2(m_screenImage, RGBA::WHITE, quad);

	float frequency = 1; // Frequency in Hz
	float opacity =  0.5f * (1 + sin(2.f * pi * frequency * m_age));

	//float opacity = 0.5f * sin(m_age * 4.f) + 1.f;
	//opacity = ClampFloat(opacity, 0.f, 1.f);

	String enterText = StringUtils::Stringf("PRESS ENTER");

	m_squirrelFont->DrawText2D(Vector2(470.f, 100.f), enterText, 60.f, RGBA(1.f, 1.f, 1.f, opacity), NULL);
}
开发者ID:ntaylorbishop，项目名称:Paradise，代码行数:16，代码来源:MainMenuState.cpp


注：本文中的RGBA函数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。