CComponents: add setColBodyGradient() to set gradient properties

This provides possibility to set relevant gradiant properties in cc sub classes

src/driver/colorgradient.h

@@ -33,7 +33,7 @@ class CColorGradient
 		inline uint8_t limitChar(int c);
 
 	public:
-
+		///gradient mode
 		enum {
 			gradientDark2Light,
 			gradientLight2Dark,
@@ -41,6 +41,7 @@ class CColorGradient
 			gradientLight2Dark2Light
 		};
 
+		///intensity
 		enum {
 			light,
 			normal

src/driver/framebuffer.h

@@ -148,7 +148,7 @@ class CFrameBuffer
 		bool calcCorners(int *ofs, int *ofl, int *ofr, const int& dy, const int& line, const int& radius, const int& type);
 
 	public:
-
+		///gradient direction
 		enum {
 			gradientHorizontal,
 			gradientVertical

src/gui/components/cc_base.cpp

@@ -64,7 +64,7 @@ CComponents::CComponents() : COSDFader(g_settings.theme.menu_Content_alpha)
 	frameBuffer 		= CFrameBuffer::getInstance();
 	v_fbdata.clear();
 	saved_screen.pixbuf 	= NULL;
-	cc_gradientBuf		= NULL;
+	cc_body_gradientBuf	= NULL;
 	col_body_gradient	= false;
 }
 
@@ -73,6 +73,8 @@ CComponents::~CComponents()
 	hide();
 	clearSavedScreen();
 	clearFbData();
+	if (cc_body_gradientBuf)
+		free(cc_body_gradientBuf);
 }
 
 void CComponents::clearSavedScreen()

src/gui/components/cc_base.h

@@ -34,6 +34,7 @@
 #include <driver/pictureviewer/pictureviewer.h>
 #include <gui/widget/icons.h>
 #include <driver/fade.h>
+#include <driver/colorgradient.h>
 /// Basic component class.
 /*!
 Basic attributes and member functions for component sub classes
@@ -81,9 +82,15 @@ class CComponents : public CComponentsSignals, public COSDFader
 		///property: contains data for gradiant handling
 		gradientData_t cc_gradientData;
 		///gradiant pixel buffer
-		fb_pixel_t *cc_gradientBuf;
+		fb_pixel_t *cc_body_gradientBuf;
 		///property: true component can paint gradient, see also enableColBodyGradient()
 		bool col_body_gradient;
+		///property: background gradient mode
+		int cc_body_gradient_mode;
+		///property: background gradient intensity
+		int cc_body_gradient_intensity;
+		///property: background gradient direction
+		int cc_body_gradient_direction;
 
 		///property: true=component has shadow
 		bool shadow;
@@ -188,6 +195,11 @@ class CComponents : public CComponentsSignals, public COSDFader
 		inline virtual void setColorAll(fb_pixel_t color_frame, fb_pixel_t color_body, fb_pixel_t color_shadow){col_frame = color_frame; col_body = color_body; col_shadow = color_shadow;};
 		///set color gradient on/off
 		virtual void enableColBodyGradient(bool do_paint_gradient);
+		///set color gradient properties, possible parameter values for mode and intensity to find in CColorGradient, in driver/framebuffer.h>
+		virtual void setColBodyGradient(const int& mode, const int& direction, const int& intensity = CColorGradient::normal)
+						{ cc_body_gradient_mode = mode;
+						  cc_body_gradient_direction = direction;
+						  cc_body_gradient_intensity=intensity;};
 
 		///get frame color
 		inline virtual fb_pixel_t getColorFrame(){return col_frame;};

src/gui/components/cc_frm_header.cpp

@@ -99,6 +99,7 @@ void CComponentsHeader::initVarHeader(	const int& x_pos, const int& y_pos, const
 	col_shadow	= color_shadow;
 	col_body 	= COL_MENUHEAD_PLUS_0;
 	col_body_gradient	= g_settings.gradiant;
+	cc_body_gradient_direction = CFrameBuffer::gradientVertical;
 	cch_text	= caption;
 	cch_icon_name	= icon_name;
 
@@ -126,8 +127,6 @@ CComponentsHeader::~CComponentsHeader()
 {
 	dprintf(DEBUG_DEBUG, "[~CComponentsHeader]   [%s - %d] delete...\n", __func__, __LINE__);
 	v_cch_btn.clear();
-	if (cc_gradientBuf)
-		free(cc_gradientBuf);
 }
 
 void CComponentsHeader::setCaption(const std::string& caption, const int& align_mode)

src/gui/components/cc_item.cpp

@@ -52,6 +52,9 @@ CComponentsItem::CComponentsItem(CComponentsForm* parent)
 	cc_page_number		= 0;
 	cc_has_focus		= true;
 	cc_gradientData.gradientBuf = NULL;
+	cc_body_gradient_mode 	= CColorGradient::gradientLight2Dark;
+	cc_body_gradient_intensity = CColorGradient::light;
+	cc_body_gradient_direction = CFrameBuffer::gradientVertical;
 	initParent(parent);
 }
 
@@ -237,11 +240,12 @@ void CComponentsItem::setFocus(bool focus)
 
 void CComponentsItem::initBodyGradient()
 {
-	if (cc_gradientBuf == NULL) {
+	if (cc_body_gradientBuf == NULL) {
 		CColorGradient ccGradient;
-		cc_gradientBuf = ccGradient.gradientOneColor(col_body, NULL, height, CColorGradient::gradientLight2Dark, CColorGradient::light);
+		int gsize = cc_body_gradient_direction == CFrameBuffer::gradientVertical ? height : width;
+		cc_body_gradientBuf = ccGradient.gradientOneColor(col_body, NULL, gsize, cc_body_gradient_mode, cc_body_gradient_intensity);
 	}
-	cc_gradientData.gradientBuf = cc_gradientBuf;
-	cc_gradientData.direction = CFrameBuffer::gradientVertical;
+	cc_gradientData.gradientBuf = cc_body_gradientBuf;
+	cc_gradientData.direction = cc_body_gradient_direction;
 	cc_gradientData.mode = CFrameBuffer::pbrg_noOption;
 }