init

.gitignore

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+
+# Created by https://www.gitignore.io/api/c,c++,visualstudiocode
+# Edit at https://www.gitignore.io/?templates=c,c++,visualstudiocode
+
+### C ###
+# Prerequisites
+*.d
+
+# Object files
+*.o
+*.ko
+*.obj
+*.elf
+
+# Linker output
+*.ilk
+*.map
+*.exp
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Libraries
+*.lib
+*.a
+*.la
+*.lo
+
+# Shared objects (inc. Windows DLLs)
+*.dll
+*.so
+*.so.*
+*.dylib
+
+# Executables
+*.exe
+*.out
+*.app
+*.i*86
+*.x86_64
+*.hex
+
+# Debug files
+*.dSYM/
+*.su
+*.idb
+*.pdb
+
+# Kernel Module Compile Results
+*.mod*
+*.cmd
+.tmp_versions/
+modules.order
+Module.symvers
+Mkfile.old
+dkms.conf
+
+### C++ ###
+# Prerequisites
+
+# Compiled Object files
+*.slo
+
+# Precompiled Headers
+
+# Compiled Dynamic libraries
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+
+# Executables
+
+### VisualStudioCode ###
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+### VisualStudioCode Patch ###
+# Ignore all local history of files
+.history
+
+# End of https://www.gitignore.io/api/c,c++,visualstudiocode

.vscode/settings.json

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+{
+    "files.associations": {
+        "array": "cpp",
+        "atomic": "cpp",
+        "*.tcc": "cpp",
+        "cctype": "cpp",
+        "chrono": "cpp",
+        "clocale": "cpp",
+        "cmath": "cpp",
+        "condition_variable": "cpp",
+        "cstdarg": "cpp",
+        "cstdint": "cpp",
+        "cstdio": "cpp",
+        "cstdlib": "cpp",
+        "cstring": "cpp",
+        "ctime": "cpp",
+        "cwchar": "cpp",
+        "cwctype": "cpp",
+        "deque": "cpp",
+        "list": "cpp",
+        "unordered_map": "cpp",
+        "unordered_set": "cpp",
+        "vector": "cpp",
+        "exception": "cpp",
+        "fstream": "cpp",
+        "functional": "cpp",
+        "initializer_list": "cpp",
+        "iomanip": "cpp",
+        "iosfwd": "cpp",
+        "iostream": "cpp",
+        "istream": "cpp",
+        "limits": "cpp",
+        "mutex": "cpp",
+        "new": "cpp",
+        "ostream": "cpp",
+        "numeric": "cpp",
+        "ratio": "cpp",
+        "sstream": "cpp",
+        "stdexcept": "cpp",
+        "streambuf": "cpp",
+        "system_error": "cpp",
+        "thread": "cpp",
+        "cinttypes": "cpp",
+        "tuple": "cpp",
+        "type_traits": "cpp",
+        "utility": "cpp",
+        "typeinfo": "cpp",
+        "valarray": "cpp",
+        "cstddef": "cpp",
+        "bit": "cpp",
+        "map": "cpp",
+        "set": "cpp",
+        "algorithm": "cpp",
+        "iterator": "cpp",
+        "memory": "cpp",
+        "memory_resource": "cpp",
+        "optional": "cpp",
+        "random": "cpp",
+        "string": "cpp",
+        "string_view": "cpp",
+        "variant": "cpp"
+    }
+}

StackPanel.cpp

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+#include "StackPanel.hpp"
+#include <functional>
+#include <GUI_Paint.h>
+
+//using namespace myink::ui;
+
+void draw_background(const PositionalProperties & positionals, const Color & background_color);
+void draw_border(const PositionalProperties positionals, const Color & color, const LineWidth & border_line_width);
+PositionalProperties move_down(const PositionalProperties & i, const PositionalProperties & p);
+PositionalProperties move_right(const PositionalProperties & i, const PositionalProperties & p);
+
+StackPanel::StackPanel(const PositionalProperties & p, const StackPanelStyleProperties & s, const DrawItemCallBackList & i, const MoveToNextItem & m) : positionals(p), style(s), itmes(i), move(m)
+{
+}
+
+StackPanel::~StackPanel()
+{
+}
+
+void StackPanel::draw() const
+{
+  auto border_line_width = style.border_line_width;
+  auto margin = style.margin;
+  auto padding = style.padding;
+  auto inner_gap = border_line_width + padding;
+  auto gap  = inner_gap + margin;
+  if (itmes.size == 0) {
+    PositionalProperties outer = { 
+      positionals.left, 
+      positionals.top,
+      positionals.width + 2 * (gap),
+      positionals.height + 2 * (gap)
+    };
+    draw_background(outer, style.background_color);
+    return;
+  }    
+
+  PositionalProperties inner = { 
+      positionals.left + gap, 
+      positionals.top + gap,
+      0,
+      0
+  };
+
+  for(auto i = 0; i < itmes.size; i++) {    
+    auto callback = itmes.callbacks[i];
+    auto last = callback(inner);
+    inner = move(inner, last);
+  }
+
+  if (border_line_width < 1)
+  {
+    return;
+  }
+  
+  PositionalProperties border_positionals = {
+    positionals.left + padding, 
+    positionals.top + padding, 
+    inner.width + (2 *  margin) + border_line_width, 
+    inner.height + (2 * margin) + border_line_width
+  };
+
+  draw_border(border_positionals, style.border_line_color, border_line_width);
+}
+
+PositionalProperties StackPanel::move_down(const PositionalProperties & i, const PositionalProperties & p)
+{
+  return {
+    i.left,
+    i.top + p.height,
+    p.width > i.width  ? p.width : i.width,
+    i.height + p.height
+  };
+}
+
+PositionalProperties StackPanel::move_right(const PositionalProperties & i, const PositionalProperties & p)
+{
+  return {
+    i.left + p.width,
+    i.top,
+    i.width + p.width,
+    p.height > i.height  ? p.height : i.height
+  };
+}
+
+void draw_background(const PositionalProperties & positionals, const  Color & background_color)
+{
+  Paint_ClearWindows(positionals.left, positionals.top, positionals.left + positionals.width, positionals.top + positionals.height, background_color);
+}
+
+void draw_border(const PositionalProperties p, const Color & color, const LineWidth & border_line_width)
+{
+  auto border_line_width_pixel = border_line_width > 8 ? DOT_PIXEL::DOT_PIXEL_8X8 : DOT_PIXEL(border_line_width);
+  Paint_DrawRectangle(p.left, p.top, p.left + p.width, p.top + p.height, color, border_line_width_pixel, DRAW_FILL_EMPTY);
+}

StackPanel.hpp

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+#ifndef STACK_PANEL_H
+#define STACK_PANEL_H
+
+#include "StackPanel_t.hpp"
+
+//namespace myink { namespace ui {
+
+class StackPanel
+{
+
+private:
+    const PositionalProperties & positionals;
+    const StackPanelStyleProperties & style;
+    const DrawItemCallBackList & itmes;
+    const MoveToNextItem & move;
+
+public:
+    StackPanel(const PositionalProperties & positionals, const StackPanelStyleProperties & style, const DrawItemCallBackList & itmes, const MoveToNextItem & move);
+    ~StackPanel();
+
+    void draw() const;
+    static PositionalProperties move_down(const PositionalProperties & i, const PositionalProperties & p);
+    static PositionalProperties move_right(const PositionalProperties & i, const PositionalProperties & p);
+};
+
+
+
+
+//}}
+
+
+#endif

StackPanel_t.hpp

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+#ifndef STACK_PANEL_T_H
+#define STACK_PANEL_T_H
+
+#include <cstddef>
+
+//namespace myink { namespace ui {
+    class StackPanel;
+    typedef StackPanel * StackPanelPtr;
+    typedef struct PositionalProperties_t
+    {
+       size_t left;
+       size_t top; 
+       size_t width; 
+       size_t height;
+    } PositionalProperties, *PositionalPropertiesPtr;
+
+    typedef size_t Color;
+    typedef size_t LineWidth;
+    typedef size_t Margin;
+    typedef size_t Padding;
+    typedef PositionalProperties(*DrawItemCallBack)(const PositionalProperties &);
+    typedef struct DrawItemCallBackList_t
+    {
+        size_t size;
+        DrawItemCallBack * callbacks;
+    } DrawItemCallBackList, *DrawItemCallBackListPtr;
+
+    typedef PositionalProperties (*MoveToNextItem)(const PositionalProperties &, const PositionalProperties & );
+
+    typedef struct StackPanelStyleProperties_t
+    {
+       Color background_color;
+       LineWidth border_line_width; 
+       Color border_line_color;
+       Margin margin;
+       Padding padding;
+    } StackPanelStyleProperties, *StackPanelStylePropertiesPtr;
+    
+//}}
+
+#endif

myink.ino

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+#include <DEV_Config.h>
+#include <EPD.h>
+#include <fonts.h>
+#include <GUI_Paint.h>
+#include <Debug.h>
+
+#include "StackPanel.hpp"
+
+ PAINT_TIME show_time = {2020, 04, 27, 22, 42, 5};
+ UBYTE *BlackImage;
+ sFONT * font = &Font8;
+ 
+void setup() {
+  // put your setup code here, to run once:
+  DEV_Module_Init();
+  EPD_7IN5_V2_Init();
+
+  /* you have to edit the startup_stm32fxxx.s file and set a big enough heap size */
+  UWORD Imagesize = ((EPD_7IN5_V2_WIDTH % 8 == 0) ? (EPD_7IN5_V2_WIDTH / 8 ) : (EPD_7IN5_V2_WIDTH / 8 + 1)) * EPD_7IN5_V2_HEIGHT;
+  if ((BlackImage = (UBYTE *)malloc(Imagesize / 2)) == NULL) {
+    printf("Failed to apply for black memory...\r\n");
+    while (1);
+  }
+ 
+  Paint_NewImage(BlackImage, EPD_7IN5_V2_WIDTH , EPD_7IN5_V2_HEIGHT / 2, 90, WHITE);
+  Paint_SelectImage(BlackImage);
+  Paint_Clear(WHITE);
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  DEV_Delay_ms(2000);
+
+  show_time.Sec =   show_time.Sec + 1;  
+  Paint_DrawTime(100, 10, &show_time, &Font24, WHITE, BLACK); 
+  DrawItemCallBack itmes[] = {
+    [](const PositionalProperties & p) -> PositionalProperties {
+      Paint_DrawString_EN(p.left, p.top, "Hallo Miri :)", font, WHITE, BLACK);
+      return { p.left, p.top, 13 * font->Width, font->Height};
+    },
+    [](const PositionalProperties & p) -> PositionalProperties {
+      Paint_DrawString_EN(p.left, p.top, "Hallo Felix", font, WHITE, BLACK);
+      return { p.left, p.top, 13 * font->Width, font->Height};
+    }
+  }; 
+  StackPanel(
+    {50, 200 ,200, 50},
+    {WHITE, 1, BLACK, 2, 4},
+    {2, itmes},
+    StackPanel::move_right
+  ).draw();
+  
+  EPD_7IN5_V2_SendHalfImage(0, BlackImage);
+  font = &Font24;
+
+  StackPanel(
+    {0, 400 ,200, 50},
+    {WHITE, 2, BLACK, 4, 8},
+    {2, itmes},
+    StackPanel::move_down
+  ).draw();
+
+  EPD_7IN5_V2_SendHalfImage(1, BlackImage);
+  EPD_7IN5_V2_TurnOnDisplay();
+  EPD_7IN5_V2_Sleep();
+}