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/**     \file    Draw_Line_TestPattern.c

        \brief   Implementation of a graphic drawing functions to draw a test-pattern using the \ref draw_line() function.

        \note    All functions draw to the \ref framebuffer specified using the \ref framebuffer_draw_pixel function specified.

        \license 
                 MIT:        The MIT License (https://opensource.org/licenses/MIT)
                 .
                 Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
                 and associated documentation files (the "Software"), to deal in the Software without restriction, 
                 including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
                 and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 
                 subject to the following conditions:
                 .
                 The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
                 .
                 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
                 INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
                 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
                 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR 
                 THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
         \copyright
                 DIT: 2017; Drechsler Information Technologies; www.drechsler-it.de
 
         \authors
                 jrgdre: Joerg Drechsler; DIT
 
         \versions
                 1.0.0: 2017-06-29 jrgdre initial release

 */

#include "Adafruit_FeatherWing_OLED.h"
#include "Draw.h"
#include "Draw_Line_TestPattern.h"


/**
 * \brief       Draws a test pattern to the screen at the location specified,
 *              using the draw_line() function in all sectors.
 */
enum status_code draw_line_testpattern(
  struct Framebuffer *framebuffer       //< pointer to the framebuffer to draw the pixel to
,           uint32_t  pixel_value       //< value to set for the pixels
,           uint16_t  x0                //< x start position of the lines
,           uint16_t  y0                //< y start position of the lines
,           uint16_t  xMin              //< x end   position of the line
,           uint16_t  yMin              //< y end   position of the line
,           uint16_t  xMax              //< x end   position of the line
,           uint16_t  yMax              //< y end   position of the line
){
         enum status_code  status = STATUS_OK;
         int32_t  x      = 0;
         int32_t  y      = 0;

         // sector 0
         for( y = y0; y <= yMax; y++ ) {

                 status = draw_line( framebuffer, pixel_value,   x0,  y0, xMax,  y)
                 || featherWing_OLED_update( framebuffer );

                 if( status != STATUS_OK ){
                         return status;
                 }

         }

         // sector 1
         for( x = xMax; x >= x0 ; x-- ) {

                 status = draw_line( framebuffer, pixel_value,   x0,  y0, x,  yMax)
                 || featherWing_OLED_update( framebuffer );

                 if( status != STATUS_OK ){
                         return status;
                 }

         }

         // sector 2
         for( x = x0; x >= xMin; x-- ) {

                 status = draw_line( framebuffer, pixel_value,   x0,  y0, x,  yMax)
                 || featherWing_OLED_update( framebuffer );

                 if( status != STATUS_OK ){
                         return status;
                 }

         }

         // sector 3
         for( y = yMax; y >= y0; y-- ) {

                 status = draw_line( framebuffer, pixel_value,   x0,  y0, xMin,  y)
                 || featherWing_OLED_update( framebuffer );

                 if( status != STATUS_OK ){
                         return status;
                 }

         }

         // sector 4
         for( y = y0; y >= yMin; y-- ) {

                 status = draw_line( framebuffer, pixel_value,   x0,  y0, xMin,  y)
                 || featherWing_OLED_update( framebuffer );

                 if( status != STATUS_OK ){
                         return status;
                 }

         }

         // sector 5
         for( x = xMin; x <= x0; x++ ) {

                 status = draw_line( framebuffer, pixel_value,   x0,  y0, x,  yMin)
                 || featherWing_OLED_update( framebuffer );

                 if( status != STATUS_OK ){
                         return status;
                 }

         }

         // sector 6
         for( x = x0; x <= xMax; x++ ) {

                 status = draw_line( framebuffer, pixel_value,   x0,  y0, x,  yMin)
                 || featherWing_OLED_update( framebuffer );

                 if( status != STATUS_OK ){
                         return status;
                 }

         }

         // sector 7
         for( y = yMin; y <= y0; y++ ) {

                 status = draw_line( framebuffer, pixel_value,   x0,  y0, xMax,  y)
                 || featherWing_OLED_update( framebuffer );

                 if( status != STATUS_OK ){
                         return status;
                 }

         }

         return status;
}