fix(textlayer): incorrect text line height calculation (#169)

Author: lc-soft

src/font/textlayer.c

@@ -196,7 +196,7 @@ static void TextLayer_UpdateRowSize(LCUI_TextLayer layer, LCUI_TextRow txtrow)
 	if (layer->line_height > -1) {
 		txtrow->height = layer->line_height;
 	} else {
-		txtrow->height = GetDefaultLineHeight(txtrow->height);
+		txtrow->height = GetDefaultLineHeight(txtrow->text_height);
 	}
 }
 

test/test_string_render.c

@@ -4,39 +4,39 @@
 #include <LCUI/image.h>
 #include <LCUI/font.h>
 
-int main( void )
+int main(void)
 {
 	int ret;
 	LCUI_Graph img;
-	LCUI_Pos pos = {0, 80};
-	LCUI_Rect area = {0, 0, 320, 240};
+	LCUI_Pos pos = { 0, 80 };
+	LCUI_Rect area = { 0, 0, 320, 240 };
 	LCUI_TextLayer txt = TextLayer_New();
 	LCUI_TextStyleRec txtstyle;
 
 	/* 初始化字体处理功能 */
 	LCUI_InitFontLibrary();
 
 	/* 创建一个图像，并使用灰色填充 */
-	Graph_Init( &img );
-	Graph_Create( &img, 320, 240 );
-	Graph_FillRect( &img, RGB( 240, 240, 240 ), NULL, FALSE );
+	Graph_Init(&img);
+	Graph_Create(&img, 320, 240);
+	Graph_FillRect(&img, RGB(240, 240, 240), NULL, FALSE);
 
 	/* 设置文本的字体大小 */
-	TextStyle_Init( &txtstyle );
+	TextStyle_Init(&txtstyle);
 	txtstyle.pixel_size = 24;
 	txtstyle.has_pixel_size = TRUE;
 
 	/* 设置文本图层的固定尺寸、文本样式、文本内容、对齐方式 */
-	TextLayer_SetFixedSize( txt, 320, 240 );
-	TextLayer_SetTextStyle( txt, &txtstyle );
-	TextLayer_SetTextAlign( txt, SV_CENTER );
-	TextLayer_SetTextW( txt, L"这是一段测试文本\nHello, World!", NULL );
-	TextLayer_Update( txt, NULL );
+	TextLayer_SetFixedSize(txt, 320, 240);
+	TextLayer_SetTextStyle(txt, &txtstyle);
+	TextLayer_SetTextAlign(txt, SV_CENTER);
+	TextLayer_SetTextW(txt, L"这是一段测试文本\nHello, World!", NULL);
+	TextLayer_Update(txt, NULL);
 
 	/* 将文本图层绘制到图像中，然后将图像写入至 png 文件中 */
-	TextLayer_RenderTo( txt, area, pos, &img );
-	ret = LCUI_WritePNGFile( "test_string_render.png", &img );
-	Graph_Free( &img );
+	TextLayer_RenderTo(txt, area, pos, &img);
+	ret = LCUI_WritePNGFile("test_string_render.png", &img);
+	Graph_Free(&img);
 
 	/* 释放字体处理功能相关资源 */
 	LCUI_FreeFontLibrary();