refactor(gui): add widget_background.h

BREAKING CHANGE: The widget background operation interface has been changed to private

Author: lc-soft

build/windows/LCUI/LCUI.vcxproj

@@ -351,6 +351,7 @@
     <ClInclude Include="..\..\..\include\LCUI_Build.h" />
     <ClInclude Include="..\..\..\src\gui\layout\block.h" />
     <ClInclude Include="..\..\..\src\gui\layout\flexbox.h" />
+    <ClInclude Include="..\..\..\src\gui\widget_background.h" />
     <ClInclude Include="..\..\..\src\gui\widget_border.h" />
     <ClInclude Include="..\..\..\src\gui\widget_diff.h" />
     <ClInclude Include="..\..\..\src\gui\widget_util.h" />

build/windows/LCUI/LCUI.vcxproj.filters

@@ -330,6 +330,9 @@
     <ClInclude Include="..\..\..\src\gui\widget_border.h">
       <Filter>源文件\gui</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\src\gui\widget_background.h">
+      <Filter>源文件\gui</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\..\src\draw\border.c">

include/LCUI/gui/widget_base.h

@@ -399,21 +399,6 @@ LCUI_API void Widget_Destroy(LCUI_Widget w);
 LCUI_API void Widget_GetOffset(LCUI_Widget w, LCUI_Widget parent,
 			       float *offset_x, float *offset_y);
 
-LCUI_API void LCUIWidget_InitImageLoader(void);
-
-LCUI_API void LCUIWidget_FreeImageLoader(void);
-
-LCUI_API void Widget_InitBackground(LCUI_Widget w);
-
-LCUI_API void Widget_DestroyBackground(LCUI_Widget w);
-
-LCUI_API void Widget_ComputeBackgroundStyle(LCUI_Widget widget);
-
-LCUI_API void Widget_PaintBakcground(LCUI_Widget w, LCUI_PaintContext paint,
-				     LCUI_WidgetActualStyle style);
-
-LCUI_API void Widget_ComputeBackground(LCUI_Widget w, LCUI_Background *out);
-
 LCUI_API float Widget_GetCanvasWidth(LCUI_Widget widget);
 
 LCUI_API float Widget_GetCanvasHeight(LCUI_Widget widget);

src/gui/Makefile.am

@@ -38,9 +38,10 @@ widget/anchor.c		\
 widget/button.c		\
 widget/canvas.c
 
-
 noinst_HEADERS =\
 widget_border.h		\
+widget_background.h	\
+widget_shadow.h		\
 widget_diff.h		\
 widget_util.h		\
 layout/flexbox.h	\

src/gui/widget.c

@@ -40,6 +40,7 @@
 #include <LCUI/gui/widget/button.h>
 #include <LCUI/gui/widget/sidebar.h>
 #include <LCUI/gui/widget/scrollbar.h>
+#include "widget_background.h"
 
 void LCUI_InitWidget(void)
 {

src/gui/widget_background.c

@@ -1,7 +1,7 @@
 /*
  * widget_background.c -- The widget background style processing module.
  *
- * Copyright (c) 2018-2019, Liu chao <lc-soft@live.cn> All rights reserved.
+ * Copyright (c) 2018-2020, Liu chao <lc-soft@live.cn> All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -36,6 +36,7 @@
 #include <LCUI/image.h>
 #include <LCUI/gui/metrics.h>
 #include <LCUI/gui/widget.h>
+#include "widget_background.h"
 
 #define ComputeActual LCUIMetrics_ComputeActual
 

src/gui/widget_background.h

@@ -0,0 +1,44 @@
+/*
+ * widget_background.c -- The widget background style processing module.
+ *
+ * Copyright (c) 2020, Liu chao <lc-soft@live.cn> All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *   * Neither the name of LCUI nor the names of its contributors may be used
+ *     to endorse or promote products derived from this software without
+ *     specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+void LCUIWidget_InitImageLoader(void);
+
+void LCUIWidget_FreeImageLoader(void);
+
+void Widget_InitBackground(LCUI_Widget w);
+
+void Widget_DestroyBackground(LCUI_Widget w);
+
+void Widget_ComputeBackgroundStyle(LCUI_Widget widget);
+
+void Widget_PaintBakcground(LCUI_Widget w, LCUI_PaintContext paint,
+				     LCUI_WidgetActualStyle style);
+
+void Widget_ComputeBackground(LCUI_Widget w, LCUI_Background *out);

src/gui/widget_base.c

@@ -38,6 +38,7 @@
 #include <LCUI/gui/widget.h>
 #include <LCUI/gui/metrics.h>
 #include "widget_util.h"
+#include "widget_background.h"
 
 static struct LCUI_WidgetModule {
 	LCUI_Widget root; /**< 根级部件 */

src/gui/widget_paint.c

@@ -36,6 +36,7 @@
 #include <LCUI/gui/widget.h>
 #include <LCUI/display.h>
 #include "widget_border.h"
+#include "widget_background.h"
 
 //#define DEBUG_FRAME_RENDER
 #define ComputeActualPX(VAL) LCUIMetrics_ComputeActual(VAL, LCUI_STYPE_PX)

src/gui/widget_task.c

@@ -38,6 +38,7 @@
 #include <LCUI/gui/metrics.h>
 #include "widget_diff.h"
 #include "widget_border.h"
+#include "widget_background.h"
 
 typedef struct LCUI_WidgetTaskContextRec_ *LCUI_WidgetTaskContext;