Added button support.
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t-moe
189
common/gui/button.c
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189
common/gui/button.c
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#include "tft.h"
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#include "touch.h"
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#include "button.h"
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#include <string.h>
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#define BRIGHTNESS_VAL 3 //How much the Brightness is in/decreased for button shadows (3 -> Add 1/3 off Full Value)
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void buttons_cb(void* touchArea, TOUCH_ACTION triggeredAction)
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//Method shared between normal Buttons and Bitmap Buttons-> Look at comment in headerfile for explanation.
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{
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TOUCH_AREA_STRUCT * area = (TOUCH_AREA_STRUCT*)touchArea;
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BUTTON_STRUCT* button = (BUTTON_STRUCT*)touchArea;
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unsigned int c1,c2;
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unsigned char r,g,b;
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r=(button->bgcolor&0xF800)>>11;
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g=(button->bgcolor&0x07E0)>>5;
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b=(button->bgcolor&0x001F)>>0;
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if((r + 0x1F/BRIGHTNESS_VAL) >0x1F)
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c1=0xF800;
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else
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c1=(r+0x1F/BRIGHTNESS_VAL)<<11;
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if((g + 0x3F/BRIGHTNESS_VAL) >0x3F)
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c1|=0x07E0;
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else
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c1|=(g+0x3F/BRIGHTNESS_VAL)<<5;
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if((b + 0x1F/BRIGHTNESS_VAL) >0x1F)
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c1|=0x0018;
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else
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c1|=(b+0x1F/BRIGHTNESS_VAL)<<0;
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if(r > (0x1F/BRIGHTNESS_VAL))
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c2=(r-0x1F/BRIGHTNESS_VAL)<<11;
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else
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c2=0x0000;
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if(g > (0x3F/BRIGHTNESS_VAL))
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c2|=(g-0x3F/BRIGHTNESS_VAL)<<5;
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if(b > (0x1F/BRIGHTNESS_VAL))
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c2|=(b-0x1F/BRIGHTNESS_VAL)<<0;
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switch(triggeredAction)
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{
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case PEN_DOWN:
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area->hookedActions=PEN_UP|PEN_LEAVE;
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tft_draw_line(button->base.x1+1,button->base.y1,button->base.x2-1,button->base.y1,c2); //Nord
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tft_draw_line(button->base.x1,button->base.y1+1,button->base.x1,button->base.y2-1,c2);//West
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tft_draw_line(button->base.x1+1,button->base.y2,button->base.x2-1,button->base.y2,c1); //S<>d
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tft_draw_line(button->base.x2,button->base.y1+1,button->base.x2,button->base.y2-1,c1); //Ost
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break;
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case PEN_UP:
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case PEN_LEAVE:
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area->hookedActions=PEN_DOWN;
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tft_draw_line(button->base.x1+1,button->base.y1,button->base.x2-1,button->base.y1,c1); //Nord
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tft_draw_line(button->base.x1,button->base.y1+1,button->base.x1,button->base.y2-1,c1);//West
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tft_draw_line(button->base.x1+1,button->base.y2,button->base.x2-1,button->base.y2,c2); //S<>d
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tft_draw_line(button->base.x2,button->base.y1+1,button->base.x2,button->base.y2-1,c2); //Ost
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if(triggeredAction==PEN_UP && button->callback!=NULL)
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button->callback(button);
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break;
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default:break;
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}
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}
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bool gui_button_add(BUTTON_STRUCT* button)//Registers a button (fill Struct first). Return false if no more Space in the Pointertable (-->Change NUM_AREAS).
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{
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if(touch_have_empty(1))
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{
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unsigned int strwidth=tft_font_width(button->font)*strlen(button->text);
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unsigned char strheight=tft_font_height(button->font);
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button->base.hookedActions=PEN_DOWN;
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button->base.callback = buttons_cb;
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if(button->base.x2==AUTO)
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button->base.x2= button->base.x1 -1 + strwidth+(tft_font_width(button->font)/2);
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else if((button->base.x2-button->base.x1+1)<(strwidth+2))
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return false;
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if(button->base.y2==AUTO)
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button->base.y2=button->base.y1 -1 +strheight+(strheight/2);
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else if((button->base.y2-button->base.y1+1)<(strheight+2))
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return false;
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gui_button_redraw(button);
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return touch_register_area(&button->base);
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}
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return false;
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}
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void gui_button_redraw(BUTTON_STRUCT* button)
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{
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unsigned int strwidth=tft_font_width(button->font)*strlen(button->text);
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unsigned char strheight=tft_font_height(button->font);
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unsigned char r,g,b;
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unsigned int c;
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r=(button->bgcolor&0xF800)>>11;
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g=(button->bgcolor&0x07E0)>>5;
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b=(button->bgcolor&0x001F)>>0;
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tft_fill_rectangle(button->base.x1+1,button->base.y1+1,button->base.x2-1,button->base.y2-1,button->bgcolor);
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if((r + 0x1F/BRIGHTNESS_VAL) >0x1F)
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c=0xF800;
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else
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c=(r+0x1F/BRIGHTNESS_VAL)<<11;
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if((g + 0x3F/BRIGHTNESS_VAL) >0x3F)
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c|=0x07E0;
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else
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c|=(g+0x3F/BRIGHTNESS_VAL)<<5;
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if((b + 0x1F/BRIGHTNESS_VAL) >0x1F)
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c|=0x0018;
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else
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c|=(b+0x1F/BRIGHTNESS_VAL)<<0;
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tft_draw_line(button->base.x1+1,button->base.y1,button->base.x2-1,button->base.y1,c); //Nord
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tft_draw_line(button->base.x1,button->base.y1+1,button->base.x1,button->base.y2-1,c);//West
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if(r > (0x1F/BRIGHTNESS_VAL))
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c=(r-0x1F/BRIGHTNESS_VAL)<<11;
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else
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c=0x0000;
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if(g > (0x3F/BRIGHTNESS_VAL))
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c|=(g-0x3F/BRIGHTNESS_VAL)<<5;
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if(b > (0x1F/BRIGHTNESS_VAL))
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c|=(b-0x1F/BRIGHTNESS_VAL)<<0;
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tft_draw_line(button->base.x1+1,button->base.y2,button->base.x2-1,button->base.y2,c); //S<>d
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tft_draw_line(button->base.x2,button->base.y1+1,button->base.x2,button->base.y2-1,c); //Ost
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tft_print_line(button->base.x1+(button->base.x2-button->base.x1+1-strwidth)/2,button->base.y1+(button->base.y2-button->base.y1+1-strheight)/2,button->txtcolor,button->bgcolor,button->font,button->text);
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}
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void gui_button_remove(BUTTON_STRUCT* button)
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{
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touch_unregister_area((TOUCH_AREA_STRUCT*)button);
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}
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/*
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bool guiAddBitmapButton (BITMAPBUTTON_STRUCT* button)
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{
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if(touchHaveEmpty(1))
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{
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button->base.hookedActions=PEN_DOWN;
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button->base.callback = buttons_cb;
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if(button->base.x2==AUTO)
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button->base.x2= button->base.x1 -1 + button->imgwidth + button->imgwidth/4;
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else if((button->base.x2-button->base.x1+1)<(button->imgwidth+2))
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return false;
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if(button->base.y2==AUTO)
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button->base.y2=button->base.y1 -1 +button->imgheight + button->imgheight/4;
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else if((button->base.y2-button->base.y1+1)<(button->imgheight+2))
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return false;
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guiRedrawBitmapButton(button);
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return touchRegisterArea(&button->base);
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}
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return false;
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}
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void guiRedrawBitmapButton(BITMAPBUTTON_STRUCT* button)
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{
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unsigned char r,g,b;
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unsigned int c;
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r=(button->bgcolor&0xF800)>>11;
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g=(button->bgcolor&0x07E0)>>5;
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b=(button->bgcolor&0x001F)>>0;
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tftFillRectangle(button->base.x1+1,button->base.y1+1,button->base.x2-1,button->base.y2-1,button->bgcolor);
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if((r + 0x1F/BRIGHTNESS_VAL) >0x1F)
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c=0xF800;
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else
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c=(r+0x1F/BRIGHTNESS_VAL)<<11;
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if((g + 0x3F/BRIGHTNESS_VAL) >0x3F)
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c|=0x07E0;
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else
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c|=(g+0x3F/BRIGHTNESS_VAL)<<5;
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if((b + 0x1F/BRIGHTNESS_VAL) >0x1F)
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c|=0x0018;
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else
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c|=(b+0x1F/BRIGHTNESS_VAL)<<0;
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tft_draw_line(button->base.x1+1,button->base.y1,button->base.x2-1,button->base.y1,c); //Nord
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tft_draw_line(button->base.x1,button->base.y1+1,button->base.x1,button->base.y2-1,c);//West
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if(r > (0x1F/BRIGHTNESS_VAL))
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c=(r-0x1F/BRIGHTNESS_VAL)<<11;
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else
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c=0x0000;
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if(g > (0x3F/BRIGHTNESS_VAL))
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c|=(g-0x3F/BRIGHTNESS_VAL)<<5;
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if(b > (0x1F/BRIGHTNESS_VAL))
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c|=(b-0x1F/BRIGHTNESS_VAL)<<0;
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tft_draw_line(button->base.x1+1,button->base.y2,button->base.x2-1,button->base.y2,c); //S<>d
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tft_draw_line(button->base.x2,button->base.y1+1,button->base.x2,button->base.y2-1,c); //Ost
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tftDrawBitmapUnscaledStreamedRaw(button->base.x1+(button->base.x2-button->base.x1+1-button->imgwidth)/2,button->base.y1+(button->base.y2-button->base.y1+1-button->imgheight)/2,button->imgwidth,button->imgheight,button->filename);
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}
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void guiRemoveBitmapButton(BITMAPBUTTON_STRUCT* button)
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{
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touchUnregisterArea((TOUCH_AREA_STRUCT*)button);
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}
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*/
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