385 lines
8.7 KiB
C
385 lines
8.7 KiB
C
#include "mywin_inc.h"
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#include "png.h"
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#include <zlib.h>
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#include "mywin_user_picmenu.h"
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void PICMENU_Delete(WIN_PicMenuStruct *menu);
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WIN_PicMenuStruct *WIN_CreatPicMenu (WIN_WindowStruct *base,
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void (*msgLoop)(struct _WIN_WindowStruct *win,WIN_MsgStruct *msg),
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int x,int y,int x_size,int y_size)
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{
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//重设消息循环
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if (msgLoop==0)
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{
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msgLoop=(void (*)(struct _WIN_WindowStruct *win,WIN_MsgStruct *msg))PICMENU_DefaultMsgLoop;
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}
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WIN_PicMenuStruct *ret=mymalloc (sizeof ( WIN_PicMenuStruct));
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//调用父类的构造函数
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if (ret)
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{
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mymemset (ret,0,sizeof ( WIN_PicMenuStruct));
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if (0==WIN_CreatTouchEx((WIN_TouchWinStruct *)ret,base,msgLoop,x,y,x_size,y_size))
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{
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//创建失败
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myfree (ret);
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ret=0;
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}
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else
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{
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((WIN_WindowStruct *)ret)->deleteWindow=(void (*)(struct _WIN_WindowStruct *win))PICMENU_Delete;
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((WIN_WindowStruct *)ret)->winType="WIN_PicMenuStruct";
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((WIN_WindowStruct *)ret)->color=0xaabbcc;
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//构造一个
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ret->y_step=80;
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ret->timer_anim=WIN_CreatTimer((WIN_WindowStruct *)ret,20);
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}
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}
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return ret;
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}
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void PICMENU_Delete(WIN_PicMenuStruct *menu)
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{
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//释放条目申请的内存
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for(int i=0;i<menu->allItemNum;i++)
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{
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PICMENU_ItemStruct *item=&menu->item[i];
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if(item->img.data) myfree(item->img.data);
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if(item->img_min.data) myfree(item->img_min.data);
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GIF_DecodeStructFree (&item->img_gif);
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}
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//调用父类的销毁函数
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WIN_DeleteWindow ( (WIN_WindowStruct *)menu);
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}
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//解码png图片，成功返回1，失败返回0
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static int decode_png(WIN_PicStruct *pic,char *name)
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{
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int png_err=0;
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png_image image; /* The control structure used by libpng */
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/* Initialize the 'png_image' structure. */
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memset(&image, 0, (sizeof image));
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image.version = PNG_IMAGE_VERSION;
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/* The first argument is the file to read: */
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if (png_image_begin_read_from_file(&image, name) != 0)
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{
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image.format = PNG_FORMAT_BGRA;
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pic->data = mymalloc(PNG_IMAGE_SIZE(image));
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pic->format=PIC_FORMAT_ARGB8888;
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pic->xsize=image.width;
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pic->ysize=image.height;
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if (
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png_err=png_image_finish_read(&image, NULL/*background*/, pic->data,
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0/*row_stride*/, NULL/*colormap*/),png_err != 0)
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{
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return 1;
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}
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else
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{
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myfree(pic->data);
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return 0;
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}
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}
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return 0;
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}
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//图像缩放
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static int pic_zoom (WIN_PicStruct *dst,WIN_PicStruct *src)
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{
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if(src==0||dst==0) return 0;
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if(src->xsize==0||src->ysize==0||dst->xsize==0||dst->ysize==0) return 0;
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if(src->data==0||dst->data==0) return 0;
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if(src->format!=PIC_FORMAT_ARGB8888||dst->format!=PIC_FORMAT_ARGB8888) return 0;
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u32 *src_dat=(u32 *)src->data;
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u32 *dst_dat=(u32 *)dst->data;
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for (int y=0;y<dst->ysize;y++)
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{
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for (int x=0;x<dst->xsize;x++)
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{
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int src_x=(x*src->xsize/dst->xsize);
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int src_y=(y*src->ysize/dst->ysize);
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dst_dat[y*dst->xsize+x]=src_dat[src_y*src->xsize+src_x];
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}
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}
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return 1;
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}
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//设置条目
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void PICMENU_AddItem (WIN_PicMenuStruct *menu,char *img_name,char *gif_name,char *txt,WIN_TouchWinStruct *(*creat)(WIN_TouchWinStruct *))
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{
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if(menu->allItemNum<MENU_ITEM_MAXNUM)
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{
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if(decode_png(&menu->item[menu->allItemNum].img,img_name))
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{
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WIN_PicStruct *src=&menu->item[menu->allItemNum].img;
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WIN_PicStruct *dst=&menu->item[menu->allItemNum].img_min;
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dst->format=PIC_FORMAT_ARGB8888;
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dst->xsize=src->xsize*3/4;
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dst->ysize=src->ysize*3/4;
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dst->data=mymalloc(dst->xsize*dst->ysize*4);
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pic_zoom(dst,src);
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}
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GIF_Decode(&menu->item[menu->allItemNum].img_gif,(u8*)gif_name);
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mymemcpy(&menu->item[menu->allItemNum].txt,txt,strlen(txt)+1);
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if(creat) menu->item[menu->allItemNum].creat=creat;
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menu->allItemNum++;
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}
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}
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//根据条目偏移找到对应条目
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PICMENU_ItemStruct *PICMENU_GetItemByOffset (WIN_PicMenuStruct *menu,int offset)
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{
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while(menu->index+offset<0) offset+=menu->allItemNum;
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while(menu->index+offset>=menu->allItemNum) offset-=menu->allItemNum;
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if((menu->index+offset>=0)&&(menu->index+offset<menu->allItemNum))
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return &menu->item[menu->index+offset];
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else
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return 0;
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}
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//根据偏移显示条目
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void PICMENU_DrawItem(WIN_PicMenuStruct *menu,int offset,int y)
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{
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PICMENU_ItemStruct *item=PICMENU_GetItemByOffset(menu,offset);
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int x=((WIN_WindowStruct *)menu)->x_size/4;
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if (item)
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{
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//显示小图标
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WIN_PicStruct *pic=&item->img_min;
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if (offset==0)
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{
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pic=&item->img;
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}
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WIN_FillRectAlpha(x-pic->xsize/2,y-pic->ysize/2,pic->xsize,pic->ysize,pic->data,0,0,pic->xsize,pic->ysize);
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if(offset==0)
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{
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//显示动画大图
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x=((WIN_WindowStruct *)menu)->x_size*3/4;
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GIF_DecodeStruct *gif=&item->img_gif;
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WIN_PicStruct gif_pic={0};
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gif_pic.data=gif->frame[item->frameNow];
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gif_pic.xsize=gif->x_size;
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gif_pic.ysize=gif->y_size;
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pic=&gif_pic;
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WIN_FillRect(x-pic->xsize/2,y-pic->ysize/2,pic->xsize,pic->ysize,pic->data,0,0,pic->xsize,pic->ysize);
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//显示字符
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WIN_SetLcdColor(((WIN_WindowStruct *)menu)->color);
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WIN_DrawTxtHCenterAt(item->txt,x,y+pic->ysize/2+6);
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}
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}
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}
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void PICMENU_Paint(WIN_PicMenuStruct *menu)
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{
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int x=0;
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int y=0;
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int x_size=((WIN_WindowStruct *)menu)->x_size;
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int y_size=((WIN_WindowStruct *)menu)->y_size;
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WIN_PaintBackGround ((WIN_WindowStruct *)menu);
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int draw_item_num=2;
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for (;draw_item_num*menu->y_step<y_size;draw_item_num+=2){}
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for (int i=draw_item_num;i>=0;i--)
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{
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//调整顺序，边上的先显示，中间的后显示
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if(i!=0)
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{
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PICMENU_DrawItem(menu,i,menu->y_step*i+y_size/2+menu->move_yoff);
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PICMENU_DrawItem(menu,-i,menu->y_step*(-i)+y_size/2+menu->move_yoff);
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}
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else
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{
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PICMENU_DrawItem(menu,i,menu->y_step*i+y_size/2+menu->move_yoff);
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}
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}
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}
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#define PICMENU_INDEX_ADD() {if (menu->index<menu->allItemNum-1) menu->index++;\
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else menu->index=0;PICMENU_SetChildEnter(menu);}
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#define PICMENU_INDEX_SUB() {if (menu->index>0) menu->index--;\
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else menu->index=menu->allItemNum-1;PICMENU_SetChildEnter(menu);}
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//设置滑动进入的子窗口
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int PICMENU_SetChildEnter(WIN_PicMenuStruct *menu)
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{
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WIN_TouchWinStruct *touch=(WIN_TouchWinStruct *)menu;
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WIN_WindowStruct *win=(WIN_WindowStruct *)menu;
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//有个问题，如果创建函数没有界面这个滑动操作就会出bug，暂时屏蔽
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// TOUCHWIN_ClearChild(touch);
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// TOUCHWIN_AddChild(touch,TOUCH_CON_LEFT_PAR(win->x_size,win->y_size,menu->item[menu->index].creat));
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return 1;
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}
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//默认消息处理函数
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void PICMENU_DefaultMsgLoop (WIN_PicMenuStruct *menu,WIN_MsgStruct *msg)
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{
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WIN_MoveStruct *m=0;
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WIN_KeyStruct *k=0;
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switch (msg->msg)
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{
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case WIN_MSG_PAINT:
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PICMENU_Paint(menu);
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break;
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case WIN_MSG_TIMER:
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{
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if(msg->data.v==menu->timer_anim)
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{
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WIN_WindowStruct *win=(WIN_WindowStruct *)menu;
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PICMENU_ItemStruct *item=&menu->item[menu->index];
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WIN_SetTimerCycle (menu->timer_anim,item->img_gif.delay[item->frameNow]);
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item->frameNow++; if (item->frameNow>item->img_gif.frameNumber-1) item->frameNow=0;
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WIN_SetInvalidRectWhenTop(win,win->x_size/2,0,win->x_size/2,win->y_size);
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}
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}
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break;
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case WIN_MSG_KEY:
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k=msg->data.p;
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if (k->shortPress& KEY_VALUE_DOWN)
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{
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PICMENU_INDEX_ADD();
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menu->move_yoff=0;
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WIN_SetInvalid((WIN_WindowStruct *)menu);
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}
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else if (k->shortPress&KEY_VALUE_UP)
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{
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PICMENU_INDEX_SUB();
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menu->move_yoff=0;
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WIN_SetInvalid((WIN_WindowStruct *)menu);
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}
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break;
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case WIN_MSG_MOVE:
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m=msg->data.p;
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switch (m->moveType)
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{
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case MOVE_DATA_SHORT:
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if(m->x_move>((WIN_WindowStruct *)menu)->x_size/2)
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{
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//短按打开窗口
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PICMENU_ItemStruct *item=&menu->item[menu->index];
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WIN_TouchWinStruct *touch=(WIN_TouchWinStruct *)menu;
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if(item->creat) item->creat(touch);
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}
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break;
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case MOVE_DATA_TOUCHIN:
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if( m->x_move<((WIN_WindowStruct *)menu)->x_size/2)
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{
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menu->move_start=1;
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}
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else
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{
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menu->move_start=0;
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}
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break;
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case MOVE_DATA_MOVED:
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if(menu->move_start)
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{
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menu->move_yoff+=m->y_move;
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if (menu->move_yoff>menu->y_step/2)
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{
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menu->move_yoff-=menu->y_step;
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PICMENU_INDEX_SUB();
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}
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else if (menu->move_yoff<=-menu->y_step/2)
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{
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menu->move_yoff+=menu->y_step;
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PICMENU_INDEX_ADD();
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}
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}
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//touch窗口的惯性滑动以x_move,y_move都为0结尾
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if(m->x_move==0&&m->y_move==0)
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{
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menu->move_yoff=0;
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}
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WIN_SetInvalid ((WIN_WindowStruct *)menu);
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break;
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case MOVE_DATA_TOUCHOUT:
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case MOVE_DATA_MOVEOUT:
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menu->move_yoff=0;
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WIN_SetInvalid ((WIN_WindowStruct *)menu);
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break;
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default:
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break;
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}
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break;
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default:
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WIN_DefaultMsgLoop((WIN_WindowStruct *)menu,msg);
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break;
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}
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}
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