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@ -82,43 +82,36 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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private fun drawPage(canvas: Canvas) { |
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var relativeOffset = relativeOffset(0) |
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textPage.textLines.forEach { textLine -> |
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draw(canvas, textLine, relativeOffset) |
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draw(canvas, textPage, textLine, relativeOffset) |
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} |
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if (!callBack.isScroll) return |
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//滚动翻页 |
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if (!pageFactory.hasNext()) return |
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val nextPage = relativePage(1) |
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val textPage1 = relativePage(1) |
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relativeOffset = relativeOffset(1) |
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nextPage.textLines.forEach { textLine -> |
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draw(canvas, textLine, relativeOffset) |
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textPage1.textLines.forEach { textLine -> |
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draw(canvas, textPage1, textLine, relativeOffset) |
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} |
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if (!pageFactory.hasNextPlus()) return |
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relativeOffset = relativeOffset(2) |
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if (relativeOffset < ChapterProvider.visibleHeight) { |
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relativePage(2).textLines.forEach { textLine -> |
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draw(canvas, textLine, relativeOffset) |
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val textPage2 = relativePage(2) |
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textPage2.textLines.forEach { textLine -> |
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draw(canvas, textPage2, textLine, relativeOffset) |
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} |
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} |
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} |
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private fun draw( |
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canvas: Canvas, |
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textPage: TextPage, |
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textLine: TextLine, |
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relativeOffset: Float, |
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) { |
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val lineTop = textLine.lineTop + relativeOffset |
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val lineBase = textLine.lineBase + relativeOffset |
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val lineBottom = textLine.lineBottom + relativeOffset |
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drawChars( |
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canvas, |
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textLine.textChars, |
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lineTop, |
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lineBase, |
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lineBottom, |
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textLine.isTitle, |
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textLine.isReadAloud, |
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textLine.isImage |
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) |
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drawChars(canvas, textPage, textLine, lineTop, lineBase, lineBottom) |
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} |
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/** |
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@ -126,23 +119,21 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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*/ |
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private fun drawChars( |
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canvas: Canvas, |
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textChars: List<TextChar>, |
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textPage: TextPage, |
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textLine: TextLine, |
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lineTop: Float, |
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lineBase: Float, |
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lineBottom: Float, |
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isTitle: Boolean, |
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isReadAloud: Boolean, |
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isImageLine: Boolean |
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) { |
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val textPaint = if (isTitle) { |
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val textPaint = if (textLine.isTitle) { |
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ChapterProvider.titlePaint |
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} else { |
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ChapterProvider.contentPaint |
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} |
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val textColor = if (isReadAloud) context.accentColor else ReadBookConfig.textColor |
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textChars.forEach { |
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val textColor = if (textLine.isReadAloud) context.accentColor else ReadBookConfig.textColor |
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textLine.textChars.forEach { |
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if (it.isImage) { |
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drawImage(canvas, it, lineTop, lineBottom, isImageLine) |
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drawImage(canvas, textPage, textLine, it, lineTop, lineBottom) |
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} else { |
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textPaint.color = textColor |
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if (it.isSearchResult) { |
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@ -159,34 +150,34 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at |
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/** |
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* 绘制图片 |
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*/ |
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@Suppress("UNUSED_PARAMETER") |
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private fun drawImage( |
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canvas: Canvas, |
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textPage: TextPage, |
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textLine: TextLine, |
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textChar: TextChar, |
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lineTop: Float, |
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lineBottom: Float, |
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isImageLine: Boolean |
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lineBottom: Float |
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) { |
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val book = ReadBook.book ?: return |
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ImageProvider.getImage( |
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val bitmap = ImageProvider.getImage( |
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book, |
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textChar.charData, |
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ReadBook.bookSource, |
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(textChar.end - textChar.start).toInt(), |
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(lineBottom - lineTop).toInt() |
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)?.let { bitmap -> |
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val rectF = if (isImageLine) { |
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RectF(textChar.start, lineTop, textChar.end, lineBottom) |
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} else { |
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/*以宽度为基准保持图片的原始比例叠加，当div为负数时，允许高度比字符更高*/ |
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val h = (textChar.end - textChar.start) / bitmap.width * bitmap.height |
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val div = (lineBottom - lineTop - h) / 2 |
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RectF(textChar.start, lineTop + div, textChar.end, lineBottom - div) |
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} |
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kotlin.runCatching { |
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canvas.drawBitmap(bitmap, null, rectF, null) |
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}.onFailure { e -> |
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context.toastOnUi(e.localizedMessage) |
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} |
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) |
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val rectF = if (textLine.isImage) { |
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RectF(textChar.start, lineTop, textChar.end, lineBottom) |
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} else { |
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/*以宽度为基准保持图片的原始比例叠加，当div为负数时，允许高度比字符更高*/ |
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val h = (textChar.end - textChar.start) / bitmap.width * bitmap.height |
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val div = (lineBottom - lineTop - h) / 2 |
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RectF(textChar.start, lineTop + div, textChar.end, lineBottom - div) |
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} |
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kotlin.runCatching { |
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canvas.drawBitmap(bitmap, null, rectF, null) |
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}.onFailure { e -> |
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context.toastOnUi(e.localizedMessage) |
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} |
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} |
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Xwite
3 years ago
committed by
GitHub