var GameObject = require('../../GameObject'); var DynamicBitmapTextCanvasRenderer = function (renderer, src, interpolationPercentage, camera){ var text = src.text; var textLength = _AN_Read_length('length', text); if (GameObject.RENDER_MASK !== src.renderFlags || textLength === 0 || (src.cameraFilter > 0 && (src.cameraFilter & camera._id))) { return ; } var textureFrame = src.frame; var displayCallback = src.displayCallback; var cameraScrollX = camera.scrollX * src.scrollFactorX; var cameraScrollY = camera.scrollY * src.scrollFactorY; var chars = src.fontData.chars; var lineHeight = src.fontData.lineHeight; var xAdvance = 0; var yAdvance = 0; var indexCount = 0; var charCode = 0; var glyph = null ; var glyphX = 0; var glyphY = 0; var glyphW = 0; var glyphH = 0; var x = 0; var y = 0; var lastGlyph = null ; var lastCharCode = 0; var ctx = renderer.currentContext; var image = src.frame.source.image; var textureX = textureFrame.cutX; var textureY = textureFrame.cutY; var rotation = 0; var scale = (src.fontSize / src.fontData.size); if (renderer.currentBlendMode !== src.blendMode) { renderer.currentBlendMode = src.blendMode; ctx.globalCompositeOperation = renderer.blendModes[src.blendMode]; } if (renderer.currentAlpha !== src.alpha) { renderer.currentAlpha = src.alpha; ctx.globalAlpha = src.alpha; } if (renderer.currentScaleMode !== src.scaleMode) { renderer.currentScaleMode = src.scaleMode; } ctx.save(); ctx.translate(src.x, src.y); ctx.rotate(src.rotation); ctx.translate(- src.displayOriginX, - src.displayOriginY); ctx.scale(src.scaleX, src.scaleY); if (src.cropWidth > 0 && src.cropHeight > 0) { ctx.save(); ctx.beginPath(); ctx.rect(0, 0, src.cropWidth, src.cropHeight); ctx.clip(); } var roundPixels = renderer.config.roundPixels; for (var index = 0; index < textLength; ++index){ scale = (src.fontSize / src.fontData.size); rotation = 0; charCode = text.charCodeAt(index); if (charCode === 10) { xAdvance = 0; indexCount = 0; yAdvance += lineHeight; lastGlyph = null ; continue ; } glyph = chars[charCode]; if (!glyph) { continue ; } glyphX = textureX + glyph.x; glyphY = textureY + glyph.y; glyphW = glyph.width; glyphH = glyph.height; x = (indexCount + glyph.xOffset + xAdvance) - src.scrollX; y = (glyph.yOffset + yAdvance) - src.scrollY; if (lastGlyph !== null ) { var kerningOffset = glyph.kerning[lastCharCode]; x += (kerningOffset !== undefined)? kerningOffset: 0; } if (displayCallback) { var output = displayCallback({ tint: { topLeft: 0, topRight: 0, bottomLeft: 0, bottomRight: 0} , index: index, charCode: charCode, x: x, y: y, scale: scale, rotation: 0, data: glyph.data} ); x = output.x; y = output.y; scale = output.scale; rotation = output.rotation; } x *= scale; y *= scale; x -= cameraScrollX; y -= cameraScrollY; if (roundPixels) { x |= 0; y |= 0; } ctx.save(); ctx.translate(x, y); ctx.rotate(rotation); ctx.scale(scale, scale); ctx.drawImage(image, glyphX, glyphY, glyphW, glyphH, 0, 0, glyphW, glyphH); ctx.restore(); xAdvance += glyph.xAdvance; indexCount += 1; lastGlyph = glyph; lastCharCode = charCode; } if (src.cropWidth > 0 && src.cropHeight > 0) { ctx.restore(); } ctx.restore(); } ; module.exports = DynamicBitmapTextCanvasRenderer;