C++ (Cpp) Update_ReadBox 예제들

예제 #1

파일: picturebox.c 프로젝트: fshunj/LCUI

/* 缩放PictureBox部件的图片浏览区域 */
LCUI_API int
PictureBox_ZoomViewArea( LCUI_Widget *widget, double scale )
{
	LCUI_Graph buff, temp;
	LCUI_PictureBox *pic_box;
	
	pic_box = Widget_GetPrivData(widget);
	if(!Graph_IsValid(pic_box->image)) {
		return -1;
	}
	Graph_Init(&buff);
	Graph_Init(&temp);
	/* 有效范围为2%~2000% */
	if(scale < 0.02) {
		scale = 0.02;
	}
	if(scale > 20) {
		scale = 20;
	}
	if(pic_box->size_mode != SIZE_MODE_ZOOM
	 && pic_box->size_mode != SIZE_MODE_BLOCK_ZOOM) {
		pic_box->size_mode = SIZE_MODE_ZOOM; /* 改为缩放模式 */
	}
	pic_box->scale = scale; 
	Update_BuffGraph(widget); 
	Update_ReadBox(widget);
	Widget_Draw(widget);
	Widget_Refresh(widget);
	return 0;
}

예제 #2

파일: LCUI_PictureBox.c 프로젝트: soar-penguin/LCUI

int Zoom_PictureBox_View_Area(LCUI_Widget *widget, float scale)
/* 功能：缩放PictureBox部件的图片浏览区域 */
{
	LCUI_Graph buff, temp;
	LCUI_PictureBox *pic_box;
	
	pic_box = Get_Widget_PrivData(widget);
	if(!Graph_Valid(pic_box->image)) {
		return -1;
	}
	Graph_Init(&buff);
	Graph_Init(&temp);
	/* 有效范围为2%~2000% */
	if(scale < 0.02) {
		scale = 0.02;
	}
	if(scale > 20) {
		scale = 20;
	}
	if(pic_box->size_mode != SIZE_MODE_ZOOM
	 && pic_box->size_mode != SIZE_MODE_BLOCK_ZOOM) {
		pic_box->size_mode = SIZE_MODE_ZOOM; /* 改为缩放模式 */
	}
	pic_box->scale = scale; 
	Update_BuffGraph(widget); 
	Update_ReadBox(widget);
	Draw_Widget(widget);
	Refresh_Widget(widget);
	return 0;
}