A basic graphics package for the LPC4088 Display Module.
Dependents: lpc4088_displaymodule_demo_sphere sampleGUI sampleEmptyGUI lpc4088_displaymodule_fs_aid ... more
Fork of DMBasicGUI by
Application/AppColorPicker.cpp@21:0038059e3a8f, 2019-10-23 (annotated)
- Committer:
- embeddedartists
- Date:
- Wed Oct 23 06:59:53 2019 +0000
- Revision:
- 21:0038059e3a8f
- Parent:
- 17:6e2abf107800
Updates related to mbed OS 5
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
embeddedartists | 0:4977187e90c7 | 1 | /* |
embeddedartists | 0:4977187e90c7 | 2 | * Copyright 2014 Embedded Artists AB |
embeddedartists | 0:4977187e90c7 | 3 | * |
embeddedartists | 0:4977187e90c7 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
embeddedartists | 0:4977187e90c7 | 5 | * you may not use this file except in compliance with the License. |
embeddedartists | 0:4977187e90c7 | 6 | * You may obtain a copy of the License at |
embeddedartists | 0:4977187e90c7 | 7 | * |
embeddedartists | 0:4977187e90c7 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
embeddedartists | 0:4977187e90c7 | 9 | * |
embeddedartists | 0:4977187e90c7 | 10 | * Unless required by applicable law or agreed to in writing, software |
embeddedartists | 0:4977187e90c7 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
embeddedartists | 0:4977187e90c7 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
embeddedartists | 0:4977187e90c7 | 13 | * See the License for the specific language governing permissions and |
embeddedartists | 0:4977187e90c7 | 14 | * limitations under the License. |
embeddedartists | 0:4977187e90c7 | 15 | */ |
embeddedartists | 0:4977187e90c7 | 16 | |
embeddedartists | 0:4977187e90c7 | 17 | |
embeddedartists | 0:4977187e90c7 | 18 | #include "mbed.h" |
embeddedartists | 0:4977187e90c7 | 19 | #include "EthernetInterface.h" |
embeddedartists | 0:4977187e90c7 | 20 | #include "AppColorPicker.h" |
embeddedartists | 0:4977187e90c7 | 21 | #include "lpc_swim_font.h" |
embeddedartists | 17:6e2abf107800 | 22 | |
embeddedartists | 0:4977187e90c7 | 23 | |
embeddedartists | 0:4977187e90c7 | 24 | /****************************************************************************** |
embeddedartists | 0:4977187e90c7 | 25 | * Defines and typedefs |
embeddedartists | 0:4977187e90c7 | 26 | *****************************************************************************/ |
embeddedartists | 0:4977187e90c7 | 27 | |
embeddedartists | 17:6e2abf107800 | 28 | #define BOX_SIDE 192 |
embeddedartists | 0:4977187e90c7 | 29 | |
embeddedartists | 0:4977187e90c7 | 30 | #define BTN_OFF 20 |
embeddedartists | 0:4977187e90c7 | 31 | |
embeddedartists | 0:4977187e90c7 | 32 | /****************************************************************************** |
embeddedartists | 0:4977187e90c7 | 33 | * Global variables |
embeddedartists | 0:4977187e90c7 | 34 | *****************************************************************************/ |
embeddedartists | 0:4977187e90c7 | 35 | |
embeddedartists | 0:4977187e90c7 | 36 | /****************************************************************************** |
embeddedartists | 0:4977187e90c7 | 37 | * Private functions |
embeddedartists | 0:4977187e90c7 | 38 | *****************************************************************************/ |
embeddedartists | 0:4977187e90c7 | 39 | |
embeddedartists | 0:4977187e90c7 | 40 | static void buttonClicked(uint32_t x) |
embeddedartists | 0:4977187e90c7 | 41 | { |
embeddedartists | 0:4977187e90c7 | 42 | bool* done = (bool*)x; |
embeddedartists | 0:4977187e90c7 | 43 | *done = true; |
embeddedartists | 0:4977187e90c7 | 44 | } |
embeddedartists | 0:4977187e90c7 | 45 | |
embeddedartists | 0:4977187e90c7 | 46 | void AppColorPicker::draw() |
embeddedartists | 0:4977187e90c7 | 47 | { |
embeddedartists | 0:4977187e90c7 | 48 | // Prepare fullscreen |
embeddedartists | 0:4977187e90c7 | 49 | swim_window_open(_win, |
embeddedartists | 0:4977187e90c7 | 50 | _disp->width(), _disp->height(), // full size |
embeddedartists | 11:265884fa7fdd | 51 | _fb, |
embeddedartists | 0:4977187e90c7 | 52 | 0,0,_disp->width()-1, _disp->height()-1, // window position and size |
embeddedartists | 0:4977187e90c7 | 53 | 1, // border |
embeddedartists | 0:4977187e90c7 | 54 | WHITE, WHITE, BLACK); // colors: pen, backgr, forgr |
embeddedartists | 0:4977187e90c7 | 55 | swim_set_title(_win, "Color Picker", BLACK); |
embeddedartists | 0:4977187e90c7 | 56 | |
embeddedartists | 0:4977187e90c7 | 57 | swim_window_open(_colorwin, |
embeddedartists | 0:4977187e90c7 | 58 | _disp->width(), _disp->height(), // full size |
embeddedartists | 11:265884fa7fdd | 59 | _fb, |
embeddedartists | 0:4977187e90c7 | 60 | 50,(_disp->height()-BOX_SIDE)/2,50+BOX_SIDE-1, BOX_SIDE+(_disp->height()-BOX_SIDE)/2, // window position and size |
embeddedartists | 0:4977187e90c7 | 61 | 0, // border |
embeddedartists | 0:4977187e90c7 | 62 | WHITE, WHITE, BLACK); // colors: pen, backgr, forgr |
embeddedartists | 0:4977187e90c7 | 63 | |
embeddedartists | 0:4977187e90c7 | 64 | |
embeddedartists | 0:4977187e90c7 | 65 | uint16_t r, g, b; |
embeddedartists | 0:4977187e90c7 | 66 | uint16_t rx = BOX_SIDE/32; |
embeddedartists | 0:4977187e90c7 | 67 | uint16_t bx = BOX_SIDE/32; |
embeddedartists | 0:4977187e90c7 | 68 | uint16_t gy = BOX_SIDE/64; |
embeddedartists | 0:4977187e90c7 | 69 | uint16_t color; |
embeddedartists | 0:4977187e90c7 | 70 | for (int x = 0; x < BOX_SIDE; x++) { |
embeddedartists | 0:4977187e90c7 | 71 | r = (x/rx); |
embeddedartists | 0:4977187e90c7 | 72 | b = 0x1f - (x/bx); |
embeddedartists | 0:4977187e90c7 | 73 | color = ((r & 0x1f) << 11) | ((b & 0x1f) << 0); |
embeddedartists | 0:4977187e90c7 | 74 | for (int y = 0; y < BOX_SIDE; y++) { |
embeddedartists | 0:4977187e90c7 | 75 | g = (y/gy); |
embeddedartists | 0:4977187e90c7 | 76 | _colorwin->pen = color | ((g & 0x3f) << 5); |
embeddedartists | 0:4977187e90c7 | 77 | swim_put_pixel(_colorwin, x, y); |
embeddedartists | 0:4977187e90c7 | 78 | } |
embeddedartists | 0:4977187e90c7 | 79 | } |
embeddedartists | 0:4977187e90c7 | 80 | |
embeddedartists | 17:6e2abf107800 | 81 | _btn = new ImageButton(_win->fb, _win->xpmax - BTN_OFF - _resOk->width(), _win->ypmax - BTN_OFF - _resOk->height(), _resOk->width(), _resOk->height()); |
embeddedartists | 17:6e2abf107800 | 82 | _btn->loadImages(_resOk); |
embeddedartists | 0:4977187e90c7 | 83 | _btn->draw(); |
embeddedartists | 11:265884fa7fdd | 84 | |
embeddedartists | 11:265884fa7fdd | 85 | // Copy everything onto the back buffer |
embeddedartists | 11:265884fa7fdd | 86 | memcpy(_fb2, _fb, _disp->fbSize()); |
embeddedartists | 0:4977187e90c7 | 87 | } |
embeddedartists | 0:4977187e90c7 | 88 | |
embeddedartists | 0:4977187e90c7 | 89 | /****************************************************************************** |
embeddedartists | 0:4977187e90c7 | 90 | * Public functions |
embeddedartists | 0:4977187e90c7 | 91 | *****************************************************************************/ |
embeddedartists | 0:4977187e90c7 | 92 | |
embeddedartists | 11:265884fa7fdd | 93 | AppColorPicker::AppColorPicker() : _disp(NULL), _win(NULL), _colorwin(NULL), |
embeddedartists | 17:6e2abf107800 | 94 | _fb(NULL), _fb2(NULL), _btn(NULL), _resOk(NULL) |
embeddedartists | 0:4977187e90c7 | 95 | { |
embeddedartists | 17:6e2abf107800 | 96 | if (DMBoard::instance().display()->width() == 480) { |
embeddedartists | 17:6e2abf107800 | 97 | _resultX = 350; |
embeddedartists | 17:6e2abf107800 | 98 | _resultY = 70; |
embeddedartists | 17:6e2abf107800 | 99 | _resultW = 80; |
embeddedartists | 17:6e2abf107800 | 100 | _resultH = 80; |
embeddedartists | 17:6e2abf107800 | 101 | } else { |
embeddedartists | 17:6e2abf107800 | 102 | _resultW = 80*2; |
embeddedartists | 17:6e2abf107800 | 103 | _resultH = 80*2; |
embeddedartists | 17:6e2abf107800 | 104 | _resultX = 350; |
embeddedartists | 17:6e2abf107800 | 105 | _resultY = (DMBoard::instance().display()->height() - (_resultH + 50))/2; |
embeddedartists | 17:6e2abf107800 | 106 | } |
embeddedartists | 0:4977187e90c7 | 107 | } |
embeddedartists | 0:4977187e90c7 | 108 | |
embeddedartists | 0:4977187e90c7 | 109 | AppColorPicker::~AppColorPicker() |
embeddedartists | 0:4977187e90c7 | 110 | { |
embeddedartists | 0:4977187e90c7 | 111 | teardown(); |
embeddedartists | 0:4977187e90c7 | 112 | } |
embeddedartists | 0:4977187e90c7 | 113 | |
embeddedartists | 0:4977187e90c7 | 114 | bool AppColorPicker::setup() |
embeddedartists | 0:4977187e90c7 | 115 | { |
embeddedartists | 0:4977187e90c7 | 116 | _disp = DMBoard::instance().display(); |
embeddedartists | 0:4977187e90c7 | 117 | _win = (SWIM_WINDOW_T*)malloc(sizeof(SWIM_WINDOW_T)); |
embeddedartists | 0:4977187e90c7 | 118 | _colorwin = (SWIM_WINDOW_T*)malloc(sizeof(SWIM_WINDOW_T)); |
embeddedartists | 11:265884fa7fdd | 119 | _fb = (COLOR_T*)_disp->allocateFramebuffer(); |
embeddedartists | 11:265884fa7fdd | 120 | _fb2 = (COLOR_T*)_disp->allocateFramebuffer(); |
embeddedartists | 0:4977187e90c7 | 121 | |
embeddedartists | 11:265884fa7fdd | 122 | return (_win != NULL && _colorwin != NULL && _fb != NULL && _fb2 != NULL); |
embeddedartists | 0:4977187e90c7 | 123 | } |
embeddedartists | 0:4977187e90c7 | 124 | |
embeddedartists | 0:4977187e90c7 | 125 | void AppColorPicker::runToCompletion() |
embeddedartists | 0:4977187e90c7 | 126 | { |
embeddedartists | 0:4977187e90c7 | 127 | bool done = false; |
embeddedartists | 0:4977187e90c7 | 128 | draw(); |
embeddedartists | 0:4977187e90c7 | 129 | _btn->setAction(buttonClicked, (uint32_t)&done); |
embeddedartists | 11:265884fa7fdd | 130 | void* oldFB = _disp->swapFramebuffer(_fb2); |
embeddedartists | 0:4977187e90c7 | 131 | |
embeddedartists | 0:4977187e90c7 | 132 | // Wait for touches |
embeddedartists | 0:4977187e90c7 | 133 | TouchPanel* touch = DMBoard::instance().touchPanel(); |
embeddedartists | 8:19a6b70d42b1 | 134 | touch_coordinate_t coord; |
embeddedartists | 0:4977187e90c7 | 135 | char buf[10]; |
embeddedartists | 0:4977187e90c7 | 136 | swim_set_pen_color(_win, BLACK); |
embeddedartists | 11:265884fa7fdd | 137 | bool showingFB2 = true; |
embeddedartists | 11:265884fa7fdd | 138 | COLOR_T lastColor = WHITE; |
embeddedartists | 0:4977187e90c7 | 139 | while(!done) { |
embeddedartists | 8:19a6b70d42b1 | 140 | // wait for a new touch signal (signal is sent from AppLauncher, |
embeddedartists | 8:19a6b70d42b1 | 141 | // which listens for touch events) |
embeddedartists | 21:0038059e3a8f | 142 | ThisThread::flags_wait_any(0x1); |
embeddedartists | 3:3fabfe3339b8 | 143 | if (touch->read(coord) == TouchPanel::TouchError_Ok) { |
embeddedartists | 3:3fabfe3339b8 | 144 | if (coord.z > 0 && |
embeddedartists | 3:3fabfe3339b8 | 145 | coord.x >= _colorwin->xpmin && coord.x <= _colorwin->xpmax && |
embeddedartists | 3:3fabfe3339b8 | 146 | coord.y >= _colorwin->ypmin && coord.y <= _colorwin->ypmax) { |
embeddedartists | 3:3fabfe3339b8 | 147 | int x = coord.x - _colorwin->xpmin; |
embeddedartists | 3:3fabfe3339b8 | 148 | int y = coord.y - _colorwin->ypmin; |
embeddedartists | 3:3fabfe3339b8 | 149 | COLOR_T c = ((x/(BOX_SIDE/32))<<11) | ((y/(BOX_SIDE/64))<<5) | ((0x1f-(x/(BOX_SIDE/32)))<<0); |
embeddedartists | 11:265884fa7fdd | 150 | if (c != lastColor) { |
embeddedartists | 3:3fabfe3339b8 | 151 | swim_set_fill_color(_win, c); |
embeddedartists | 17:6e2abf107800 | 152 | swim_put_box(_win, _resultX, _resultY, _resultX+_resultW, _resultY+_resultH); |
embeddedartists | 3:3fabfe3339b8 | 153 | sprintf(buf, "0x%04x ", c); |
embeddedartists | 17:6e2abf107800 | 154 | swim_put_text_xy(_win, buf, _resultX, _resultY+_resultH+10); |
embeddedartists | 11:265884fa7fdd | 155 | |
embeddedartists | 11:265884fa7fdd | 156 | // Swap what is shown and what is drawn on |
embeddedartists | 11:265884fa7fdd | 157 | if (showingFB2) { |
embeddedartists | 11:265884fa7fdd | 158 | _disp->setFramebuffer(_fb); |
embeddedartists | 11:265884fa7fdd | 159 | _win->fb = _fb2; |
embeddedartists | 11:265884fa7fdd | 160 | } else { |
embeddedartists | 11:265884fa7fdd | 161 | _disp->setFramebuffer(_fb2); |
embeddedartists | 11:265884fa7fdd | 162 | _win->fb = _fb; |
embeddedartists | 11:265884fa7fdd | 163 | } |
embeddedartists | 21:0038059e3a8f | 164 | ThisThread::sleep_for(20); |
embeddedartists | 11:265884fa7fdd | 165 | showingFB2 = !showingFB2; |
embeddedartists | 11:265884fa7fdd | 166 | lastColor = c; |
embeddedartists | 11:265884fa7fdd | 167 | } |
embeddedartists | 3:3fabfe3339b8 | 168 | } |
embeddedartists | 3:3fabfe3339b8 | 169 | if (_btn->handle(coord.x, coord.y, coord.z > 0)) { |
embeddedartists | 11:265884fa7fdd | 170 | _btn->draw(showingFB2 ? _fb2 : _fb); |
embeddedartists | 3:3fabfe3339b8 | 171 | } |
embeddedartists | 0:4977187e90c7 | 172 | } |
embeddedartists | 0:4977187e90c7 | 173 | } |
embeddedartists | 0:4977187e90c7 | 174 | |
embeddedartists | 0:4977187e90c7 | 175 | // User has clicked the button, restore the original FB |
embeddedartists | 0:4977187e90c7 | 176 | _disp->swapFramebuffer(oldFB); |
embeddedartists | 0:4977187e90c7 | 177 | swim_window_close(_win); |
embeddedartists | 0:4977187e90c7 | 178 | swim_window_close(_colorwin); |
embeddedartists | 0:4977187e90c7 | 179 | } |
embeddedartists | 0:4977187e90c7 | 180 | |
embeddedartists | 0:4977187e90c7 | 181 | bool AppColorPicker::teardown() |
embeddedartists | 0:4977187e90c7 | 182 | { |
embeddedartists | 0:4977187e90c7 | 183 | if (_win != NULL) { |
embeddedartists | 0:4977187e90c7 | 184 | free(_win); |
embeddedartists | 0:4977187e90c7 | 185 | _win = NULL; |
embeddedartists | 0:4977187e90c7 | 186 | } |
embeddedartists | 0:4977187e90c7 | 187 | if (_colorwin != NULL) { |
embeddedartists | 0:4977187e90c7 | 188 | free(_colorwin); |
embeddedartists | 0:4977187e90c7 | 189 | _colorwin = NULL; |
embeddedartists | 0:4977187e90c7 | 190 | } |
embeddedartists | 0:4977187e90c7 | 191 | if (_fb != NULL) { |
embeddedartists | 0:4977187e90c7 | 192 | free(_fb); |
embeddedartists | 0:4977187e90c7 | 193 | _fb = NULL; |
embeddedartists | 0:4977187e90c7 | 194 | } |
embeddedartists | 11:265884fa7fdd | 195 | if (_fb2 != NULL) { |
embeddedartists | 11:265884fa7fdd | 196 | free(_fb2); |
embeddedartists | 11:265884fa7fdd | 197 | _fb2 = NULL; |
embeddedartists | 11:265884fa7fdd | 198 | } |
embeddedartists | 0:4977187e90c7 | 199 | if (_btn != NULL) { |
embeddedartists | 0:4977187e90c7 | 200 | delete _btn; |
embeddedartists | 0:4977187e90c7 | 201 | _btn = NULL; |
embeddedartists | 0:4977187e90c7 | 202 | } |
embeddedartists | 0:4977187e90c7 | 203 | return true; |
embeddedartists | 0:4977187e90c7 | 204 | } |
embeddedartists | 0:4977187e90c7 | 205 | |
embeddedartists | 17:6e2abf107800 | 206 | void AppColorPicker::addResource(Resources id, Resource* res) |
embeddedartists | 17:6e2abf107800 | 207 | { |
embeddedartists | 17:6e2abf107800 | 208 | _resOk = res; |
embeddedartists | 17:6e2abf107800 | 209 | } |