Chris Womack / sampleGUI

Sample GUI for LPC4088. Base code to begin dev

Dependencies:   DMBasicGUI DMSupport

Fork of lpc4088_displaymodule_shipped_demo by Embedded Artists

AppDraw.cpp@0:b94e330c98ac, 2015-03-20 (annotated)

Committer:
alindvall
Date:
Fri Mar 20 13:36:44 2015 +0000
Revision:
0:b94e330c98ac
First version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
alindvall 0:b94e330c98ac 1 /*
alindvall 0:b94e330c98ac 2 * Copyright 2014 Embedded Artists AB
alindvall 0:b94e330c98ac 3 *
alindvall 0:b94e330c98ac 4 * Licensed under the Apache License, Version 2.0 (the "License");
alindvall 0:b94e330c98ac 5 * you may not use this file except in compliance with the License.
alindvall 0:b94e330c98ac 6 * You may obtain a copy of the License at
alindvall 0:b94e330c98ac 7 *
alindvall 0:b94e330c98ac 8 * http://www.apache.org/licenses/LICENSE-2.0
alindvall 0:b94e330c98ac 9 *
alindvall 0:b94e330c98ac 10 * Unless required by applicable law or agreed to in writing, software
alindvall 0:b94e330c98ac 11 * distributed under the License is distributed on an "AS IS" BASIS,
alindvall 0:b94e330c98ac 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
alindvall 0:b94e330c98ac 13 * See the License for the specific language governing permissions and
alindvall 0:b94e330c98ac 14 * limitations under the License.
alindvall 0:b94e330c98ac 15 */
alindvall 0:b94e330c98ac 16
alindvall 0:b94e330c98ac 17
alindvall 0:b94e330c98ac 18 #include "mbed.h"
alindvall 0:b94e330c98ac 19 #include "EthernetInterface.h"
alindvall 0:b94e330c98ac 20 #include "AppDraw.h"
alindvall 0:b94e330c98ac 21 #include "lpc_swim_font.h"
alindvall 0:b94e330c98ac 22 #include "lpc_colors.h"
alindvall 0:b94e330c98ac 23
alindvall 0:b94e330c98ac 24 /******************************************************************************
alindvall 0:b94e330c98ac 25 * Defines and typedefs
alindvall 0:b94e330c98ac 26 *****************************************************************************/
alindvall 0:b94e330c98ac 27
alindvall 0:b94e330c98ac 28 #define BTN_OFF 20
alindvall 0:b94e330c98ac 29
alindvall 0:b94e330c98ac 30 /******************************************************************************
alindvall 0:b94e330c98ac 31 * Local variables
alindvall 0:b94e330c98ac 32 *****************************************************************************/
alindvall 0:b94e330c98ac 33
alindvall 0:b94e330c98ac 34 static const COLOR_T COLORS[] = {
alindvall 0:b94e330c98ac 35 RED,
alindvall 0:b94e330c98ac 36 GREEN,
alindvall 0:b94e330c98ac 37 BLUE,
alindvall 0:b94e330c98ac 38 CYAN,
alindvall 0:b94e330c98ac 39 MAGENTA,
alindvall 0:b94e330c98ac 40 YELLOW,
alindvall 0:b94e330c98ac 41 BLACK,
alindvall 0:b94e330c98ac 42 };
alindvall 0:b94e330c98ac 43
alindvall 0:b94e330c98ac 44 /******************************************************************************
alindvall 0:b94e330c98ac 45 * Private functions
alindvall 0:b94e330c98ac 46 *****************************************************************************/
alindvall 0:b94e330c98ac 47
alindvall 0:b94e330c98ac 48 static void buttonClicked(uint32_t x)
alindvall 0:b94e330c98ac 49 {
alindvall 0:b94e330c98ac 50 bool* done = (bool*)x;
alindvall 0:b94e330c98ac 51 *done = true;
alindvall 0:b94e330c98ac 52 }
alindvall 0:b94e330c98ac 53
alindvall 0:b94e330c98ac 54 void AppDraw::draw()
alindvall 0:b94e330c98ac 55 {
alindvall 0:b94e330c98ac 56 // Prepare fullscreen
alindvall 0:b94e330c98ac 57 swim_window_open(_win,
alindvall 0:b94e330c98ac 58 _disp->width(), _disp->height(), // full size
alindvall 0:b94e330c98ac 59 (COLOR_T*)_fb,
alindvall 0:b94e330c98ac 60 0,0,_disp->width()-1, _disp->height()-1, // window position and size
alindvall 0:b94e330c98ac 61 0, // border
alindvall 0:b94e330c98ac 62 WHITE, WHITE, BLACK); // colors: pen, backgr, forgr
alindvall 0:b94e330c98ac 63
alindvall 0:b94e330c98ac 64 _btn = new ImageButton(_win->fb, _win->xpmax - BTN_OFF - _resOk->width(), _win->ypmax - BTN_OFF - _resOk->height(), _resOk->width(), _resOk->height());
alindvall 0:b94e330c98ac 65 _btn->loadImages(_resOk);
alindvall 0:b94e330c98ac 66 _btn->draw();
alindvall 0:b94e330c98ac 67 }
alindvall 0:b94e330c98ac 68
alindvall 0:b94e330c98ac 69 /******************************************************************************
alindvall 0:b94e330c98ac 70 * Public functions
alindvall 0:b94e330c98ac 71 *****************************************************************************/
alindvall 0:b94e330c98ac 72
alindvall 0:b94e330c98ac 73 AppDraw::AppDraw() : _disp(NULL), _win(NULL), _fb(NULL), _btn(NULL), _resOk(NULL)
alindvall 0:b94e330c98ac 74 {
alindvall 0:b94e330c98ac 75 }
alindvall 0:b94e330c98ac 76
alindvall 0:b94e330c98ac 77 AppDraw::~AppDraw()
alindvall 0:b94e330c98ac 78 {
alindvall 0:b94e330c98ac 79 teardown();
alindvall 0:b94e330c98ac 80 }
alindvall 0:b94e330c98ac 81
alindvall 0:b94e330c98ac 82 bool AppDraw::setup()
alindvall 0:b94e330c98ac 83 {
alindvall 0:b94e330c98ac 84 _disp = DMBoard::instance().display();
alindvall 0:b94e330c98ac 85 _win = (SWIM_WINDOW_T*)malloc(sizeof(SWIM_WINDOW_T));
alindvall 0:b94e330c98ac 86 _fb = _disp->allocateFramebuffer();
alindvall 0:b94e330c98ac 87
alindvall 0:b94e330c98ac 88 return (_win != NULL && _fb != NULL);
alindvall 0:b94e330c98ac 89 }
alindvall 0:b94e330c98ac 90
alindvall 0:b94e330c98ac 91 void AppDraw::runToCompletion()
alindvall 0:b94e330c98ac 92 {
alindvall 0:b94e330c98ac 93 // Alternative 1: use the calling thread's context to run in
alindvall 0:b94e330c98ac 94 bool done = false;
alindvall 0:b94e330c98ac 95 draw();
alindvall 0:b94e330c98ac 96 _btn->setAction(buttonClicked, (uint32_t)&done);
alindvall 0:b94e330c98ac 97 void* oldFB = _disp->swapFramebuffer(_fb);
alindvall 0:b94e330c98ac 98
alindvall 0:b94e330c98ac 99 // Wait for touches
alindvall 0:b94e330c98ac 100 TouchPanel* touch = DMBoard::instance().touchPanel();
alindvall 0:b94e330c98ac 101 bool ignore;
alindvall 0:b94e330c98ac 102 int fingers = 0;
alindvall 0:b94e330c98ac 103 touch->info(&ignore, &fingers, &ignore);
alindvall 0:b94e330c98ac 104 if (fingers > MaxSupportedFingers) {
alindvall 0:b94e330c98ac 105 fingers = MaxSupportedFingers;
alindvall 0:b94e330c98ac 106 }
alindvall 0:b94e330c98ac 107 while(!done) {
alindvall 0:b94e330c98ac 108 // wait for a new touch signal (signal is sent from AppLauncher,
alindvall 0:b94e330c98ac 109 // which listens for touch events)
alindvall 0:b94e330c98ac 110 Thread::signal_wait(0x1);
alindvall 0:b94e330c98ac 111 if (touch->read(_coords, fingers) == TouchPanel::TouchError_Ok) {
alindvall 0:b94e330c98ac 112 for (int i = 0; i < fingers; i++) {
alindvall 0:b94e330c98ac 113 if (_coords[i].z > 0) {
alindvall 0:b94e330c98ac 114 _win->pen = COLORS[i];
alindvall 0:b94e330c98ac 115 swim_put_circle(_win, _coords[i].x, _coords[i].y, 2, 1);
alindvall 0:b94e330c98ac 116 }
alindvall 0:b94e330c98ac 117 }
alindvall 0:b94e330c98ac 118 if (_btn->handle(_coords[0].x, _coords[0].y, _coords[0].z > 0)) {
alindvall 0:b94e330c98ac 119 _btn->draw();
alindvall 0:b94e330c98ac 120 }
alindvall 0:b94e330c98ac 121 }
alindvall 0:b94e330c98ac 122 }
alindvall 0:b94e330c98ac 123
alindvall 0:b94e330c98ac 124 // User has clicked the button, restore the original FB
alindvall 0:b94e330c98ac 125 _disp->swapFramebuffer(oldFB);
alindvall 0:b94e330c98ac 126 swim_window_close(_win);
alindvall 0:b94e330c98ac 127 }
alindvall 0:b94e330c98ac 128
alindvall 0:b94e330c98ac 129 bool AppDraw::teardown()
alindvall 0:b94e330c98ac 130 {
alindvall 0:b94e330c98ac 131 if (_win != NULL) {
alindvall 0:b94e330c98ac 132 free(_win);
alindvall 0:b94e330c98ac 133 _win = NULL;
alindvall 0:b94e330c98ac 134 }
alindvall 0:b94e330c98ac 135 if (_fb != NULL) {
alindvall 0:b94e330c98ac 136 free(_fb);
alindvall 0:b94e330c98ac 137 _fb = NULL;
alindvall 0:b94e330c98ac 138 }
alindvall 0:b94e330c98ac 139 if (_btn != NULL) {
alindvall 0:b94e330c98ac 140 delete _btn;
alindvall 0:b94e330c98ac 141 _btn = NULL;
alindvall 0:b94e330c98ac 142 }
alindvall 0:b94e330c98ac 143 return true;
alindvall 0:b94e330c98ac 144 }
alindvall 0:b94e330c98ac 145
alindvall 0:b94e330c98ac 146
alindvall 0:b94e330c98ac 147 void AppDraw::addResource(Resources id, Resource* res)
alindvall 0:b94e330c98ac 148 {
alindvall 0:b94e330c98ac 149 _resOk = res;
alindvall 0:b94e330c98ac 150 }
alindvall 0:b94e330c98ac 151