C++ drawCursor函数代码示例

//--------------------------------------------------------------
void ofxFileDialog::drawNewFolder() {
	
	bool drawnCursor = false;
	int x = 0, y = s_charHeight;
	s_font->setColor(m_settings->getTextColor(), m_settings->getAlpha());
	s_font->setShadowColor(m_settings->getTextShadowColor(), m_settings->getAlpha());
	
	ofTranslate(0, m_visibleLines*0.5*s_charHeight);

	// info text
	s_font->drawString(s_newFolderText, x, y, s_textShadow);
	
	// new folder name with cursor
	y += s_charHeight*2;
	for(unsigned int i = 0; i < m_text.size(); ++i) {
	
		// draw cursor
		if(m_saveAsState == FILENAME && i == m_position) {
			drawCursor(x, y);
			drawnCursor = true;
		}
		
		// text
		x = s_font->drawCharacter(m_text[i], x, y, s_textShadow);
	}

	// draw cursor if we have no text, or if we're at the end of the buffer
	if(!drawnCursor) {
		drawCursor(x, y);
	}
}

//--------------------------------------------------------------
void ofxFileDialog::drawSaveAs() {

	bool drawnCursor = false;
	int x = 0, y = s_charHeight;
	s_font->setColor(m_settings->getTextColor(), m_settings->getAlpha());
	s_font->setShadowColor(m_settings->getTextShadowColor(), m_settings->getAlpha());

	if(m_saveAsState == FOLDER_DIALOG) {
		drawNewFolder();
	}
	else {
		ofPushMatrix();
		ofTranslate(0, s_charHeight*2);

		// info text
		s_font->drawString(s_saveAsText, x, y, s_textShadow);

		// new file name with cursor
		y += s_charHeight*2;
		for(unsigned int i = 0; i < m_text.size(); ++i) {
		
			// draw cursor
			if(m_saveAsState == FILENAME && i == m_position) {
				drawCursor(x, y);
				drawnCursor = true;
			}
			
			// text
			x = s_font->drawCharacter(m_text[i], x, y, s_textShadow);
		}

		// draw cursor if we have no text, or if we're at the end of the buffer
		if(m_saveAsState == FILENAME && !drawnCursor) {
			drawCursor(x, y);
		}
		
		drawFilenames(5, 2, m_saveAsState == BROWSER);
		ofPopMatrix();
		
		y = m_height-s_charHeight;
		if(m_saveAsState == FOLDER) {
			int width = s_font->stringWidth(s_newFolderButtonText);
			ofSetColor(m_settings->getCursorColor().r, m_settings->getCursorColor().g,
							   m_settings->getCursorColor().b, m_settings->getCursorColor().a * m_settings->getAlpha());
			ofRectMode rectMode = ofGetRectMode();
			ofSetRectMode(OF_RECTMODE_CORNER);
			ofDrawRectangle(x, y-s_charWidth, width, s_charHeight);
			ofSetRectMode(rectMode);
		}
		s_font->drawString(s_newFolderButtonText, 0, y, s_textShadow);
	}
}

void UBGraphicsCompass::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
{
    if (UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Selector &&
        UBDrawingController::drawingController ()->stylusTool() != UBStylusTool::Play)
        return;

    mShowButtons = shape().contains(event->pos());
    mCloseSvgItem->setVisible(mShowButtons);
    mResizeSvgItem->setVisible(mShowButtons);
    if (mShowButtons)
    {
        if (hingeRect().contains(event->pos()))
            setCursor(rotateCursor());
        else if (event->pos().x() > rect().right() - sPencilLength - sPencilBaseLength)
            setCursor(drawCursor());
        else if (resizeButtonRect().contains(event->pos()))
            setCursor(resizeCursor());
        else if (closeButtonRect().contains(event->pos()))
            setCursor(closeCursor());
        else
            setCursor(moveCursor());
    }
    else
    {
        setCursor(mOuterCursor);
    }
    event->accept();
    update();
}

void TextBox::redrawSelf()
{
	if (!keyFocus)
		isHighlighted = false;
	
	glBindTexture(GL_TEXTURE_2D, 0);
	
	glColor4ub(30, 30, 30, 100);
	glBegin(GL_QUADS);
		glVertex2f(x,       y);
		glVertex2f(x+width, y);
		glVertex2f(x+width, y+height);
		glVertex2f(x,       y+height);
	glEnd();

	if (isHighlighted)
		drawHighlight();

	drawOutline();

	screenPrintf(x, y, *textParams, text.c_str());
	if (keyFocus)
		drawCursor();

}

void displayPreGame() {
	glLoadIdentity();
	drawPreGameBack();
	drawText();
	drawCursor();
	curtain.drawCurtain();
}

void mgsCooperSymbols::drawGrid(float x, float y) {
  ofPushStyle();
  clearCell(shiftCounter-1,rowCounter,gw+2,gh);
  drawCursor();
  ofSetColor(symbolColor);
  ofNoFill();
  if(randomStrokeP) randomStroke();
  if (!singleShapesP) {
    switch((int)ofRandom(1, numberOfShapes+1)) {
      case 1:
        drawSquare(x+shiftCounter, y+rowCounter, gw);
        break;
      case 2:
        drawTri(x+shiftCounter, y+rowCounter, gw);
        break;
      case 3:
        drawCircle(x+shiftCounter+gw/2, y+rowCounter+gh/2, gw/2);
        break;
    }
  } else {
    switch(numberOfShapes) {
      case 1:
        drawSquare(x+shiftCounter, y+rowCounter, gw);
        break;
      case 2:
        drawTri(x+shiftCounter, y+rowCounter, gw);
        break;
      case 3:
        drawCircle(x+shiftCounter+gw/2, y+rowCounter+gw/2, gw/2);
        break;
    }
  }
  ofPopStyle();
}

void drawCells() {
  uchar x,y;
  for(y=0; y<9; y++)
    for(x=0; x<9; x++)
      drawCell(x,y);
  drawCursor();
}

// Draw the cursor and the cube.  In a real application,
// this function would be much more complex.
void drawGraphics()
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);           

    drawCursor();
    glutSolidCube(gCubeEdgeLength);
}

void drawGame(void)
{
    if (state == STATE_LEAVE) return;
    if (isInvalid) {
        arduboy.clear();
        if (state == STATE_ISSUES) {
            drawIssues();
        } else if (state == STATE_RESULT) {
            drawResult();
        } else {
            drawField();
            if (state == STATE_PLAYING) {
                drawStrings();
                drawCursor();
            }
            if (blinkFrameFrames > 0 && blinkFlg) arduboy.drawRect(0, 0, WIDTH, HEIGHT, WHITE);
        }
        isInvalid = false;
    }
    if (state == STATE_MENU || state == STATE_RESULT) {
        drawMenuItems(false);
        arduboy.setRGBled(0, 0, 0);
    } else {
        if (state == STATE_OVER) drawOverAnimation();
        arduboy.setRGBled(ledRGB[0] * vanishFlashFrames, ledRGB[1] * vanishFlashFrames,
                ledRGB[2] * vanishFlashFrames);
    }
}

void render()
{
    if (NULL != pd3dDevice)
    {
        pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER,
                          D3DCOLOR_XRGB(0, 0, 0),
                          1.0f, 0);
		pd3dDevice->BeginScene();

		// create the camera
		createCamera(0.1f, 10.0f);		// near clip plane, far clip plane

        // Position camera so cube is same projected size as in OpenGL version
		moveCamera(D3DXVECTOR3(0.0f, 0.0f, -1.6f));
		pointCamera(D3DXVECTOR3(0.0f, 0.0f, 0.0f));

		// draw the objects
		drawCube();
        drawCursor();
		
		pd3dDevice->EndScene();
        pd3dDevice->Present(NULL, NULL, NULL, NULL);

    }
}

void drawPuzzle(void)
{
    bool isPlaying = (state == STATE_FREE || state == STATE_PICKED);
    if (toDrawAll) {
        arduboy.clear();
        drawBoard(0);
        drawPieces();
        toDrawAll = false;
    } else if (isPlaying && focusPieceIdx >= 0) {
        drawPiece(focusPieceIdx);
    }

    if (state == STATE_FREE) {
        drawCursor();
    }
    if (state == STATE_CLEAR) {
        drawClearEffect();
    }
    if (isHelpVisible && isPlaying) {
        HELP_T idx;
        if (state == STATE_FREE) {
            idx = HELP_FREE;
        } else {
            idx = (arduboy.buttonPressed(A_BUTTON)) ? HELP_HOLD : HELP_PICK;
        }
        drawHelp(idx, helpX, helpY);
    }
}

void gameStep() {
  uchar nx1,ny1,nx2,ny2,o;

  // Ищем готовые линии
  if(!check()) {

    // Добавляем три шарика
    newBall(newBall1); nx1=nx; ny1=ny;
    newBall(newBall2); nx2=nx; ny2=ny;
    newBall(newBall3);

    // Рисуем анимацию
    for(o=0; o<5; o++) {
      if(nx1!=-1) drawSpriteNew(nx1, ny1, newBall1, o);
      if(nx2!=-1) drawSpriteNew(nx2, ny2, newBall2, o);
      if(nx !=-1) drawSpriteNew(nx,  ny,  newBall3, o);
      delay(ANIMATION_SPEED);
    }
  
    // Загадываем три новых шарика
    randNewBall();
    redrawNewBalls1();

    if(!gameOver) {    
      // Ищем готовые линии
      check();
   
      // Считаем кол во свободных клеток
      if(calcFreeCell()==0) gameOver=1;
    }
  }

  drawCursor(); 
}

void TextEdit::onExpose(XEvent& /* event */)
{
    // Draw a status line
    drawStatusLine();

    // Erase a window
    setForeground(bgColor);
    fillRectangle(I2Rectangle(0, topMargin - statusLineMargin, m_IWinRect.width(), m_IWinRect.height()));

    // Draw a text in a window
    setForeground(fgColor);
    int x = leftMargin;
    int y = topMargin + ascent;
    for (int screenY = 0; screenY < windowHeight; screenY++, y += dy)
    {
        int textY = windowY + screenY;
        const TextLine* currentLine;
        if (textY > text.size()) { break; }
        else if (textY == text.size()) { currentLine = &(endOfText); }
        else { currentLine = &(text.getLine(textY)); }
        int len = currentLine->length();
        if (len > windowX)
        {
            int restrictedLen = len - windowX;
            if (restrictedLen > windowWidth) restrictedLen = windowWidth;
            drawString(x, y, currentLine->getString() + windowX, restrictedLen);
        }
    }

    // Draw cursor
    if (!inputDisabled) { drawCursor(cursorX, cursorY, true); }
}

void BleWindowsCaptureSource::run()
{
    // TODO make could select screen
    // QGuiApplication::screens();
    while (!m_stop) {
        QElapsedTimer elapsedTimer;
        elapsedTimer.start();

        QScreen *screen = QGuiApplication::primaryScreen();

        if (screen) {
            QPixmap pixmap = screen->grabWindow(m_wid, m_x, m_y, m_width, m_height);
#if 1
            // TODO to draw cursor to image
            QRect desktopRect = QRect(QPoint(0, 0), screen->size());
            if (desktopRect.contains(QCursor::pos())) {
                drawCursor(&pixmap);
            }
#endif
            QImage image = pixmap.toImage();

            m_modifyMutex.lock();           // Start lock

            BleImage be;
            be.width = image.width();
            be.height = image.height();

            int imageSize = be.width * be.height * 3;
            be.data = new char[imageSize];

            IplImage *oriImage = cvCreateImageHeader(cvSize(image.width(), image.height()), IPL_DEPTH_8U, 4);
            cvSetData(oriImage, image.bits(), image.bytesPerLine());

            IplImage *dstImage = cvCreateImageHeader(cvSize(image.width(), image.height()), IPL_DEPTH_8U, 3);
            cvSetData(dstImage, be.data, be.width * 3);

            cvCvtColor(oriImage, dstImage, CV_BGRA2BGR);

            be.dataSize = imageSize;
            be.format = BleImage_Format_BGR24;

            m_image = be;

            cvReleaseImageHeader(&oriImage);
            cvReleaseImageHeader(&dstImage);

            m_modifyMutex.unlock();        // End unlock
        }

        int elapsedMs = elapsedTimer.elapsed();
        int needSleepMs = m_interval - elapsedMs;
        if (needSleepMs < 0) {
            needSleepMs = 0;
        }
        msleep(needSleepMs);
    }

    log_trace("BleWindowsCaptureSource exit normally.");
}

void eTextInputField::updated()
{
	if ( editLabel )
		editLabel->setText(convertDVBUTF8((unsigned char*)isotext.c_str(),isotext.length(), table));
	else
		text=convertDVBUTF8((unsigned char*)isotext.c_str(),isotext.length(), table);
	drawCursor();
}