From 4e444579d2261fb722c743cc56b76d6afb0983a9 Mon Sep 17 00:00:00 2001
From: changleipeng <changleipeng4@huawei.com>
Date: Mon, 29 Jul 2024 10:30:06 +0800
Subject: [PATCH] update LineTypeset

Signed-off-by: changleipeng <changleipeng4@huawei.com>
Change-Id: I2f4c65d8b45afdfdc037822c435e8d7280562a6e
Signed-off-by: changleipeng <changleipeng4@huawei.com>
---
 .../native_drawing/drawing_text_declaration.h |  8 +++
 .../native_drawing/drawing_text_typography.h  | 49 +++++++++++++++++++
 .../native_drawing/libnative_drawing.ndk.json | 16 ++++++
 3 files changed, 73 insertions(+)

diff --git a/graphic/graphic_2d/native_drawing/drawing_text_declaration.h b/graphic/graphic_2d/native_drawing/drawing_text_declaration.h
index 9a324c807..9a523e756 100644
--- a/graphic/graphic_2d/native_drawing/drawing_text_declaration.h
+++ b/graphic/graphic_2d/native_drawing/drawing_text_declaration.h
@@ -60,6 +60,14 @@ typedef struct OH_Drawing_FontCollection OH_Drawing_FontCollection;
  */
 typedef struct OH_Drawing_Typography OH_Drawing_Typography;
 
+/**
+ * @brief Defines an <b>OH_Drawing_LineTypography</b>, which is used to perform line layout.
+ *
+ * @since 13
+ * @version 1.0
+ */
+typedef struct OH_Drawing_LineTypography OH_Drawing_LineTypography;
+
 /**
  * @brief Defines an <b>OH_Drawing_TextStyle</b>, which is used to manage text colors and decorations.
  *
diff --git a/graphic/graphic_2d/native_drawing/drawing_text_typography.h b/graphic/graphic_2d/native_drawing/drawing_text_typography.h
index d821c3855..d9b81c7bb 100644
--- a/graphic/graphic_2d/native_drawing/drawing_text_typography.h
+++ b/graphic/graphic_2d/native_drawing/drawing_text_typography.h
@@ -2753,6 +2753,55 @@ void OH_Drawing_TypographyDestroyTextBox(OH_Drawing_TextBox*);
 void OH_Drawing_SetTextShadow(OH_Drawing_TextShadow* shadow, uint32_t color, OH_Drawing_Point* offset,
     double blurRadius);
 
+/**
+ * @brief Creates an <b>OH_Drawing_LineTypography</b> object.
+ *
+ * @syscap SystemCapability.Graphic.Graphic2D.NativeDrawing
+ * @param OH_Drawing_TypographyCreate Indicates the pointer to an <b>OH_Drawing_TypographyCreate</b> object.
+ * @return Returns the pointer to the <b>OH_Drawing_LineTypography</b> object created.
+ * @since 13
+ * @version 1.0
+ */
+OH_Drawing_LineTypography* OH_Drawing_CreateLineTypography(OH_Drawing_TypographyCreate* handler);
+
+/**
+ * @brief Releases the memory occupied by an <b>OH_Drawing_LineTypography</b> object.
+ *
+ * @syscap SystemCapability.Graphic.Graphic2D.NativeDrawing
+ * @param OH_Drawing_LineTypography Indicates the pointer to an <b>OH_Drawing_LineTypography</b> object.
+ * @since 13
+ * @version 1.0
+ */
+void OH_Drawing_DestroyLineTypography(OH_Drawing_LineTypography* lineTypography);
+
+/**
+ * @brief Calculate the line breakpoint based on the width provided.
+ *
+ * @syscap SystemCapability.Graphic.Graphic2D.NativeDrawing
+ * @param OH_Drawing_TypographyCreate Indicates the pointer to an <b>OH_Drawing_TypographyCreate</b> object.
+ * @param startIndex Indicates the starting point for the line-break calculations.
+ * @param width Indicates the requested line-break width.
+ * @return Returns the count of the characters from startIndex that would cause the line break.
+ * @since 13
+ * @version 1.0
+ */
+size_t OH_Drawing_LineTypographyGetLineBreak(OH_Drawing_LineTypography* lineTypography,
+                                             size_t startIndex, double width);
+
+/**
+ * @brief Creates a text line object based on the text range provided.
+ *
+ * @syscap SystemCapability.Graphic.Graphic2D.NativeDrawing
+ * @param OH_Drawing_LineTypography Indicates the pointer to an <b>OH_Drawing_TypographyCreate</b> object.
+ * @param startIndex Indicates the starting index of the text range.
+ * @param count Indicates the characters count of the text range. If the value is set to 0, return nullptr.
+ * @return Returns the pointer to the <b>OH_Drawing_TextLine</b> object created.
+ * @since 13
+ * @version 1.0
+ */
+OH_Drawing_TextLine* OH_Drawing_LineTypographyCreateLine(OH_Drawing_LineTypography* lineTypography,
+                                                         size_t startIndex, size_t count);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/graphic/graphic_2d/native_drawing/libnative_drawing.ndk.json b/graphic/graphic_2d/native_drawing/libnative_drawing.ndk.json
index f0d6835c1..0f93c67a1 100644
--- a/graphic/graphic_2d/native_drawing/libnative_drawing.ndk.json
+++ b/graphic/graphic_2d/native_drawing/libnative_drawing.ndk.json
@@ -1441,5 +1441,21 @@
     {
         "first_introduced": "12",
         "name":"OH_Drawing_SetTextShadow"
+    },
+    {
+        "first_introduced": "13",
+        "name": "OH_Drawing_CreateLineTypography"
+    },
+    {
+        "first_introduced": "13",
+        "name": "OH_Drawing_DestroyLineTypography"
+    },
+    {
+        "first_introduced": "13",
+        "name": "OH_Drawing_LineTypographyGetLineBreak"
+    },
+    {
+        "first_introduced": "13",
+        "name": "OH_Drawing_LineTypographyCreateLine"
     }
 ]
\ No newline at end of file
-- 
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