C# CCSprite.InitWithTexture方法代码示例

        protected virtual bool InitWithString(string theString, string fntFile, CCSize dimentions, CCTextAlignment hAlignment, CCVerticalTextAlignment vAlignment,
                                              CCPoint imageOffset, CCTexture2D texture)
        {
            Debug.Assert(m_pConfiguration == null, "re-init is no longer supported");
            Debug.Assert((theString == null && fntFile == null) || (theString != null && fntFile != null),
                         "Invalid params for CCLabelBMFont");

            if (!String.IsNullOrEmpty(fntFile))
            {
                CCBMFontConfiguration newConf = FNTConfigLoadFile(fntFile);
                if (newConf == null)
                {
                    CCLog.Log("CCLabelBMFont: Impossible to create font. Please check file: '{0}'", fntFile);
                    return false;
                }

                m_pConfiguration = newConf;

                m_sFntFile = fntFile;

                if (texture == null)
                {
                    try
                    {
                        texture = CCTextureCache.SharedTextureCache.AddImage(m_pConfiguration.AtlasName);
                    }
                    catch (Exception)
                    {
                        // Try the 'images' ref location just in case.
                        try
                        {
                            texture =
                                CCTextureCache.SharedTextureCache.AddImage(System.IO.Path.Combine("images",
                                                                                                  m_pConfiguration
                                                                                                      .AtlasName));
                        }
                        catch (Exception)
                        {
                            // Lastly, try <font_path>/images/<font_name>
                            string dir = System.IO.Path.GetDirectoryName(m_pConfiguration.AtlasName);
                            string fname = System.IO.Path.GetFileName(m_pConfiguration.AtlasName);
                            string newName = System.IO.Path.Combine(System.IO.Path.Combine(dir, "images"), fname);
                            texture = CCTextureCache.SharedTextureCache.AddImage(newName);
                        }
                    }
                }
            }
            else
            {
                texture = new CCTexture2D();
            }

            if (String.IsNullOrEmpty(theString))
            {
                theString = String.Empty;
            }

            if (base.InitWithTexture(texture, theString.Length))
            {
                m_tDimensions = dimentions;

                m_pHAlignment = hAlignment;
                m_pVAlignment = vAlignment;

                m_cDisplayedOpacity = m_cRealOpacity = 255;
                m_tDisplayedColor = m_tRealColor = CCTypes.CCWhite;
                m_bCascadeOpacityEnabled = true;
                m_bCascadeColorEnabled = true;

                m_obContentSize = CCSize.Zero;

                m_bIsOpacityModifyRGB = m_pobTextureAtlas.Texture.HasPremultipliedAlpha;
                AnchorPoint = new CCPoint(0.5f, 0.5f);

                m_tImageOffset = imageOffset;

                m_pReusedChar = new CCSprite();
                m_pReusedChar.InitWithTexture(m_pobTextureAtlas.Texture, CCRect.Zero, false);
                m_pReusedChar.BatchNode = this;

                SetString(theString, true);

                return true;
            }
            return false;
        }

//.........这里部分代码省略.........
                }

                kerningAmount = this.KerningAmountForFirst(prev, c);

                // unichar is a short, and an int is needed on HASH_FIND_INT
                if (!m_pConfiguration.m_pFontDefDictionary.TryGetValue(c, out fontDef))
                {
                    CCLog.Log("cocos2d::CCLabelBMFont: characer not found {0}", (int) c);
                    continue;
                }

                rect = fontDef.rect;
                rect = CCMacros.CCRectanglePixelsToPoints(rect);

                rect.Origin.X += m_tImageOffset.X;
                rect.Origin.Y += m_tImageOffset.Y;

                CCSprite fontChar;

                //bool hasSprite = true;
                fontChar = (CCSprite) (GetChildByTag(i));
                if (fontChar != null)
                {
                    // Reusing previous Sprite
                    fontChar.Visible = true;
                }
                else
                {
                    // New Sprite ? Set correct color, opacity, etc...
                    //if( false )
                    //{
                    //    /* WIP: Doesn't support many features yet.
                    //     But this code is super fast. It doesn't create any sprite.
                    //     Ideal for big labels.
                    //     */
                    //    fontChar = m_pReusedChar;
                    //    fontChar.BatchNode = null;
                    //    hasSprite = false;
                    //}
                    //else
                    {
                        fontChar = new CCSprite();
                        fontChar.InitWithTexture(m_pobTextureAtlas.Texture, rect);
                        AddChild(fontChar, i, i);
                    }

                    // Apply label properties
                    fontChar.IsOpacityModifyRGB = m_bIsOpacityModifyRGB;

                    // Color MUST be set before opacity, since opacity might change color if OpacityModifyRGB is on
                    fontChar.UpdateDisplayedColor(m_tDisplayedColor);
                    fontChar.UpdateDisplayedOpacity(m_cDisplayedOpacity);
                }

                // updating previous sprite
                fontChar.SetTextureRect(rect, false, rect.Size);

                // See issue 1343. cast( signed short + unsigned integer ) == unsigned integer (sign is lost!)
                int yOffset = m_pConfiguration.m_nCommonHeight - fontDef.yOffset;
                var fontPos =
                    new CCPoint(
                        (float) nextFontPositionX + fontDef.xOffset + fontDef.rect.Size.Width * 0.5f + kerningAmount,
                        (float) nextFontPositionY + yOffset - rect.Size.Height * 0.5f * CCMacros.CCContentScaleFactor());
                fontChar.Position = CCMacros.CCPointPixelsToPoints(fontPos);

                // update kerning
                nextFontPositionX += fontDef.xAdvance + kerningAmount;
                prev = c;

                if (longestLine < nextFontPositionX)
                {
                    longestLine = nextFontPositionX;
                }

                //if (! hasSprite)
                //{
                //  UpdateQuadFromSprite(fontChar, i);
                //}
            }

            // If the last character processed has an xAdvance which is less that the width of the characters image, then we need
            // to adjust the width of the string to take this into account, or the character will overlap the end of the bounding
            // box
            if (fontDef.xAdvance < fontDef.rect.Size.Width)
            {
                tmpSize.Width = longestLine + fontDef.rect.Size.Width - fontDef.xAdvance;
            }
            else
            {
                tmpSize.Width = longestLine;
            }
            tmpSize.Height = totalHeight;

            tmpSize = new CCSize(
                m_tDimensions.Width > 0 ? m_tDimensions.Width : tmpSize.Width,
                m_tDimensions.Height > 0 ? m_tDimensions.Height : tmpSize.Height
                );

            ContentSize = CCMacros.CCSizePixelsToPoints(tmpSize);
        }

        private CCSprite ReusedTileWithRect(CCRect rect)
        {
            if (m_pReusedTile == null)
            {
                m_pReusedTile = new CCSprite();
                m_pReusedTile.InitWithTexture(m_pobTextureAtlas.Texture, rect, false);
                m_pReusedTile.BatchNode = this;
            }
            else
            {
                // XXX HACK: Needed because if "batch node" is nil,
                // then the Sprite'squad will be reset
                m_pReusedTile.BatchNode = null;

                // Re-init the sprite
                m_pReusedTile.SetTextureRect(rect, false, rect.Size);

                // restore the batch node
                m_pReusedTile.BatchNode = this;
            }

            return m_pReusedTile;
        }

        private CCSprite ReusedTileWithRect(CCRect rect)
        {
            if (m_pReusedTile == null)
            {
                m_pReusedTile = new CCSprite();
                m_pReusedTile.InitWithTexture(m_pobTextureAtlas.Texture, rect, false);
                m_pReusedTile.BatchNode = this;
            }
            else
            {
                // XXX: should not be re-init. Potential memeory leak. Not following best practices
                // XXX: it shall call directory  [setRect:rect]
                m_pReusedTile.InitWithTexture(m_pobTextureAtlas.Texture, rect, false);

                // Since initWithTexture resets the batchNode, we need to re add it.
                // but should be removed once initWithTexture is not called again
                m_pReusedTile.BatchNode = this;
            }

            return m_pReusedTile;
        }

        public void CreateFontChars()
        {
            int nextFontPositionX = 0;
            int nextFontPositionY = 0;
            char prev = (char)255;
            int kerningAmount = 0;

            CCSize tmpSize = CCSize.Zero;

            int longestLine = 0;
            int totalHeight = 0;
            int quantityOfLines = 1;
            if (string.IsNullOrEmpty(this._text))
            {
                return;
            }

            int textLength = this._text.Length;
            var charSet = this._fontConfig.CharacterSet;
            if (charSet.Count == 0)
            {
                throw (new InvalidOperationException("Can not compute the size of the font because the character set is empty."));
            }

            for (int i = 0; i < textLength - 1; ++i)
            {
                if (this._text[i] == '\n')
                    quantityOfLines++;
            }

            totalHeight = this._fontConfig.CommonHeight * quantityOfLines;
            nextFontPositionY = 0 - (this._fontConfig.CommonHeight - this._fontConfig.CommonHeight * quantityOfLines);

            CCBMFontDef fontDef = null;
            CCRect rect;

            for (int i = 0; i < textLength; i++)
            {
                char c = this._text[i];
                if (c == '\n')
                {
                    nextFontPositionX = 0;
                    nextFontPositionY -= _fontConfig.CommonHeight;
                    continue;
                }

                if (charSet.IndexOf(c) == -1)
                {
                    CCLog.Log("Cocos2D.CCLabelBMFont: Attempted to use character not defined in this bitmap: {0}", (int)c);
                    continue;
                }

                kerningAmount = this._kerningAmountForFirst(prev, c);

                // unichar is a short, and an int is needed on HASH_FIND_INT
                if (this._fontConfig.FontDefDictionary.TryGetValue(c, out fontDef) == false)
                {
                    CCLog.Log("cocos2d::CCLabelBMFont: characer not found {0}", (int)c);
                    continue;
                }

                rect = fontDef.rect;
                rect = rect.PixelsToPoints();
                rect.Origin.X += _imageOffset.X;
                rect.Origin.Y += _imageOffset.Y;

                CCSprite fontChar = (CCSprite)base.GetChildByTag(i);
                if (fontChar != null)
                {
                    // Reusing previous Sprite
                    fontChar.Visible = true;
                }
                else
                {
                    fontChar = new CCSprite();
                    fontChar.InitWithTexture(base.TextureAtlas.Texture, rect);
                    AddChild(fontChar, i, i);
                    fontChar.IsOpacityModifyRGB = this._isOpacityModifyRGB;
                    fontChar.UpdateDisplayedColor(this._displayedColor);
                    fontChar.UpdateDisplayedOpacity(this._displayedOpacity);
                }
                // updating previous sprite
                fontChar.SetTextureRect(rect, false, rect.Size);

                // See issue 1343. cast( signed short + unsigned integer ) == unsigned integer (sign is lost!)
                int yOffset = this._fontConfig.CommonHeight - fontDef.yOffset;
                var fontPos = new CCPoint(
                    (float)nextFontPositionX + fontDef.xOffset + fontDef.rect.Size.Width * 0.5f + kerningAmount,
                    (float)nextFontPositionY + yOffset - rect.Size.Height * 0.5f * CCMacros.CCContentScaleFactor()
                    );
                fontChar.Position = fontPos.PixelsToPoints();

                // update kerning
                nextFontPositionX += fontDef.xAdvance + kerningAmount;
                prev = c;

                if (longestLine < nextFontPositionX)
                {
                    longestLine = nextFontPositionX;
                }
//.........这里部分代码省略.........

//.........这里部分代码省略.........
            // bottom left
            CCRect leftbottombounds = new CCRect(x, y,
                                                 left_w, bottom_h);

            // bottom center
            x += left_w;
            CCRect centerbottombounds = new CCRect(x, y,
                                                   center_w, bottom_h);

            // bottom right
            x += center_w;
            CCRect rightbottombounds = new CCRect(x, y,
                                                  right_w, bottom_h);

            if (!rotated)
            {
                // CCLog("!rotated");

                CCAffineTransform t = CCAffineTransform.Identity;
                t = CCAffineTransform.Translate(t, rect.Origin.X, rect.Origin.Y);

                centerbounds = CCAffineTransform.Transform(centerbounds, t);
                rightbottombounds = CCAffineTransform.Transform(rightbottombounds, t);
                leftbottombounds = CCAffineTransform.Transform(leftbottombounds, t);
                righttopbounds = CCAffineTransform.Transform(righttopbounds, t);
                lefttopbounds = CCAffineTransform.Transform(lefttopbounds, t);
                rightcenterbounds = CCAffineTransform.Transform(rightcenterbounds, t);
                leftcenterbounds = CCAffineTransform.Transform(leftcenterbounds, t);
                centerbottombounds = CCAffineTransform.Transform(centerbottombounds, t);
                centertopbounds = CCAffineTransform.Transform(centertopbounds, t);

                // Centre
                _centre = new CCSprite();
                _centre.InitWithTexture(_scale9Image.Texture, centerbounds);
                _scale9Image.AddChild(_centre, 0, (int)Positions.Centre);

                // Top
                _top = new CCSprite();
                _top.InitWithTexture(_scale9Image.Texture, centertopbounds);
                _scale9Image.AddChild(_top, 1, (int)Positions.Top);

                // Bottom
                _bottom = new CCSprite();
                _bottom.InitWithTexture(_scale9Image.Texture, centerbottombounds);
                _scale9Image.AddChild(_bottom, 1, (int)Positions.Bottom);

                // Left
                _left = new CCSprite();
                _left.InitWithTexture(_scale9Image.Texture, leftcenterbounds);
                _scale9Image.AddChild(_left, 1, (int)Positions.Left);

                // Right
                _right = new CCSprite();
                _right.InitWithTexture(_scale9Image.Texture, rightcenterbounds);
                _scale9Image.AddChild(_right, 1, (int)Positions.Right);

                // Top left
                _topLeft = new CCSprite();
                _topLeft.InitWithTexture(_scale9Image.Texture, lefttopbounds);
                _scale9Image.AddChild(_topLeft, 2, (int)Positions.TopLeft);

                // Top right
                _topRight = new CCSprite();
                _topRight.InitWithTexture(_scale9Image.Texture, righttopbounds);
                _scale9Image.AddChild(_topRight, 2, (int)Positions.TopRight);

        public bool UpdateWithBatchNode(CCSpriteBatchNode batchnode, CCRect rect, bool rotated, CCRect capInsets)
        {
            byte opacity = m_cOpacity;
            CCColor3B color = m_tColor;

            // Release old sprites
            RemoveAllChildrenWithCleanup(true);

            if (scale9Image != batchnode)
            {
                scale9Image = batchnode;
            }

            scale9Image.RemoveAllChildrenWithCleanup(true);

            m_capInsets = capInsets;

            // If there is no given rect
            if (rect.Equals(CCRect.Zero))
            {
                // Get the texture size as original
                CCSize textureSize = scale9Image.TextureAtlas.Texture.ContentSize;

                rect = new CCRect(0, 0, textureSize.Width, textureSize.Height);
            }

            // Set the given rect's size as original size
            m_spriteRect = rect;
            m_originalSize = rect.Size;
            m_preferredSize = m_originalSize;
            m_capInsetsInternal = capInsets;

            // Get the image edges
            float l = rect.Origin.X;
            float t = rect.Origin.Y;
            float h = rect.Size.Height;
            float w = rect.Size.Width;

            // If there is no specified center region
            if (m_capInsetsInternal.Equals(CCRect.Zero))
            {
                // Apply the 3x3 grid format
                if (rotated)
                {
                    m_capInsetsInternal = new CCRect(l + h / 3, t + w / 3, w / 3, h / 3);
                }
                else
                {
                    m_capInsetsInternal = new CCRect(l + w / 3, t + h / 3, w / 3, h / 3);
                }
            }

            //
            // Set up the image
            //
            if (rotated)
            {
                // Sprite frame is rotated

                // Centre
                centre = new CCSprite();
                centre.InitWithTexture(scale9Image.Texture, m_capInsetsInternal, true);
                scale9Image.AddChild(centre, 0, (int) Positions.pCentre);

                // Bottom
                bottom = new CCSprite();
                bottom.InitWithTexture(scale9Image.Texture, new CCRect(l,
                                                                       m_capInsetsInternal.Origin.Y,
                                                                       m_capInsetsInternal.Size.Width,
                                                                       m_capInsetsInternal.Origin.X - l),
                                       rotated
                    );
                scale9Image.AddChild(bottom, 1, (int) Positions.pBottom);

                // Top
                top = new CCSprite();
                top.InitWithTexture(scale9Image.Texture, new CCRect(m_capInsetsInternal.Origin.X + m_capInsetsInternal.Size.Height,
                                                                    m_capInsetsInternal.Origin.Y,
                                                                    m_capInsetsInternal.Size.Width,
                                                                    h - m_capInsetsInternal.Size.Height - (m_capInsetsInternal.Origin.X - l)),
                                    rotated
                    );
                scale9Image.AddChild(top, 1, (int) Positions.pTop);

                // Right
                right = new CCSprite();
                right.InitWithTexture(scale9Image.Texture, new CCRect(m_capInsetsInternal.Origin.X,
                                                                      m_capInsetsInternal.Origin.Y + m_capInsetsInternal.Size.Width,
                                                                      w - (m_capInsetsInternal.Origin.Y - t) - m_capInsetsInternal.Size.Width,
                                                                      m_capInsetsInternal.Size.Height),
                                      rotated
                    );
                scale9Image.AddChild(right, 1, (int) Positions.pRight);

                // Left
                left = new CCSprite();
                left.InitWithTexture(scale9Image.Texture, new CCRect(m_capInsetsInternal.Origin.X,
                                                                     t,
                                                                     m_capInsetsInternal.Origin.Y - t,
                                                                     m_capInsetsInternal.Size.Height),
//.........这里部分代码省略.........