John Mitchell / lpc4088_displaymodule_GC500_2_5inch

Repository for import to local machine

Dependencies:   DMBasicGUI DMSupport

ProgressBar.cpp@8:26e49e6955bd, 2017-07-31 (annotated)

Committer:
jmitc91516
Date:
Mon Jul 31 15:37:57 2017 +0000
Revision:
8:26e49e6955bd
Parent:
1:a5258871b33d 
Method ramp scrolling improved, and more bitmaps moved to QSPI memory

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jmitc91516 1:a5258871b33d 1 #include "ProgressBar.h"
jmitc91516 1:a5258871b33d 2
jmitc91516 1:a5258871b33d 3 #include <math.h>
jmitc91516 1:a5258871b33d 4
jmitc91516 1:a5258871b33d 5 /*
jmitc91516 1:a5258871b33d 6 Default constructor
jmitc91516 1:a5258871b33d 7 */
jmitc91516 1:a5258871b33d 8 ProgressBar::ProgressBar()
jmitc91516 1:a5258871b33d 9 {
jmitc91516 1:a5258871b33d 10 barX = 0;
jmitc91516 1:a5258871b33d 11 barY = 0;
jmitc91516 1:a5258871b33d 12
jmitc91516 1:a5258871b33d 13 barW = 1;
jmitc91516 1:a5258871b33d 14 barH = 1;
jmitc91516 1:a5258871b33d 15
jmitc91516 1:a5258871b33d 16 orientation = horizontal;
jmitc91516 1:a5258871b33d 17
jmitc91516 1:a5258871b33d 18 barPosition = 0;
jmitc91516 1:a5258871b33d 19 calibratedRange = 1.0;
jmitc91516 1:a5258871b33d 20
jmitc91516 1:a5258871b33d 21 barColor = 0x8888;
jmitc91516 1:a5258871b33d 22 backColor = 0xFFFF;
jmitc91516 1:a5258871b33d 23 borderColor = 0;
jmitc91516 1:a5258871b33d 24
jmitc91516 1:a5258871b33d 25 calibrationFactor = calibratedRange / (double)barW;
jmitc91516 1:a5258871b33d 26
jmitc91516 1:a5258871b33d 27 previousBarPositionDisplayed = -1;
jmitc91516 1:a5258871b33d 28
jmitc91516 1:a5258871b33d 29 fillBackground = false;
jmitc91516 1:a5258871b33d 30 }
jmitc91516 1:a5258871b33d 31
jmitc91516 1:a5258871b33d 32 /*
jmitc91516 1:a5258871b33d 33 Constructor with coordinates, etc, specified explicitly
jmitc91516 1:a5258871b33d 34 */
jmitc91516 1:a5258871b33d 35 ProgressBar::ProgressBar(int x, int y, int w, int h, progressBarOrientation o, double newCalibratedRange, GuiConst_INTCOLOR brColor, GuiConst_INTCOLOR bkColor, GuiConst_INTCOLOR brdColor)
jmitc91516 1:a5258871b33d 36 {
jmitc91516 1:a5258871b33d 37 barX = x;
jmitc91516 1:a5258871b33d 38 barY = y;
jmitc91516 1:a5258871b33d 39
jmitc91516 1:a5258871b33d 40 barW = w;
jmitc91516 1:a5258871b33d 41 barH = h;
jmitc91516 1:a5258871b33d 42
jmitc91516 1:a5258871b33d 43 orientation = o;
jmitc91516 1:a5258871b33d 44
jmitc91516 1:a5258871b33d 45 barPosition = 0;
jmitc91516 1:a5258871b33d 46 calibratedRange = newCalibratedRange;
jmitc91516 1:a5258871b33d 47
jmitc91516 1:a5258871b33d 48 barColor = brColor;
jmitc91516 1:a5258871b33d 49 backColor = bkColor;
jmitc91516 1:a5258871b33d 50 borderColor = brdColor;
jmitc91516 1:a5258871b33d 51
jmitc91516 1:a5258871b33d 52 calibrationFactor = calibratedRange / (double)barW;
jmitc91516 1:a5258871b33d 53
jmitc91516 1:a5258871b33d 54 previousBarPositionDisplayed = -1;
jmitc91516 1:a5258871b33d 55
jmitc91516 1:a5258871b33d 56 fillBackground = false;
jmitc91516 1:a5258871b33d 57 }
jmitc91516 1:a5258871b33d 58
jmitc91516 1:a5258871b33d 59 /*
jmitc91516 1:a5258871b33d 60 Change the calibrated end position of the bar to the new value,
jmitc91516 1:a5258871b33d 61 having applied the relevant checks to make sure it is valid.
jmitc91516 1:a5258871b33d 62
jmitc91516 1:a5258871b33d 63 Then display the bar in its new position.
jmitc91516 1:a5258871b33d 64
jmitc91516 1:a5258871b33d 65 If specified by the caller, (re)display the whole progress bar, regardless of whether or not
jmitc91516 1:a5258871b33d 66 its end position has changed.
jmitc91516 1:a5258871b33d 67
jmitc91516 1:a5258871b33d 68 Args: the new calibrated position
jmitc91516 1:a5258871b33d 69 boolean true to force the entire bar to be redisplayed, false if this is not necessary
jmitc91516 1:a5258871b33d 70 */
jmitc91516 1:a5258871b33d 71 void ProgressBar::UpdateCalibratedPosition(double newCalibratedPosition, bool forceFullDisplay)
jmitc91516 1:a5258871b33d 72 {
jmitc91516 1:a5258871b33d 73 if(newCalibratedPosition < 0.0) newCalibratedPosition = 0.0;
jmitc91516 1:a5258871b33d 74
jmitc91516 1:a5258871b33d 75 if(newCalibratedPosition > calibratedRange) newCalibratedPosition = calibratedRange;
jmitc91516 1:a5258871b33d 76
jmitc91516 1:a5258871b33d 77 barPosition = (int) floor((newCalibratedPosition / calibrationFactor) + 0.5);
jmitc91516 1:a5258871b33d 78
jmitc91516 1:a5258871b33d 79 if(forceFullDisplay) {
jmitc91516 1:a5258871b33d 80 previousBarPositionDisplayed = -1;
jmitc91516 1:a5258871b33d 81 }
jmitc91516 1:a5258871b33d 82
jmitc91516 1:a5258871b33d 83 DisplayNewPosition();
jmitc91516 1:a5258871b33d 84 }
jmitc91516 1:a5258871b33d 85
jmitc91516 1:a5258871b33d 86 /*
jmitc91516 1:a5258871b33d 87 Display the bar with its position at the right hand end,
jmitc91516 1:a5258871b33d 88 showing that the process is complete
jmitc91516 1:a5258871b33d 89
jmitc91516 1:a5258871b33d 90 If specified by the caller, (re)display the whole progress bar,
jmitc91516 1:a5258871b33d 91 regardless of how far it has moved since it was previously displayed.
jmitc91516 1:a5258871b33d 92
jmitc91516 1:a5258871b33d 93 Args: a boolean - true to redisplay the whole bar,
jmitc91516 1:a5258871b33d 94 false to display only the area that has changed
jmitc91516 1:a5258871b33d 95 */
jmitc91516 1:a5258871b33d 96 void ProgressBar::DisplayBarComplete(bool forceFullDisplay)
jmitc91516 1:a5258871b33d 97 {
jmitc91516 1:a5258871b33d 98 barPosition = barW + 1; // '+ 1' to make sure the bar fills the bounding box
jmitc91516 1:a5258871b33d 99
jmitc91516 1:a5258871b33d 100 if(forceFullDisplay) {
jmitc91516 1:a5258871b33d 101 previousBarPositionDisplayed = -1;
jmitc91516 1:a5258871b33d 102 }
jmitc91516 1:a5258871b33d 103
jmitc91516 1:a5258871b33d 104 DisplayNewPosition();
jmitc91516 1:a5258871b33d 105 }
jmitc91516 1:a5258871b33d 106
jmitc91516 1:a5258871b33d 107
jmitc91516 1:a5258871b33d 108 /*
jmitc91516 1:a5258871b33d 109 Change the calibrated range of the bar to the new value,
jmitc91516 1:a5258871b33d 110 having applied the relevant checks to make sure it is valid.
jmitc91516 1:a5258871b33d 111
jmitc91516 1:a5258871b33d 112 Then re-display the bar.
jmitc91516 1:a5258871b33d 113
jmitc91516 1:a5258871b33d 114 Args: the new calibrated range
jmitc91516 1:a5258871b33d 115 */
jmitc91516 1:a5258871b33d 116 void ProgressBar::SetCalibratedRange(double newCalibratedRange)
jmitc91516 1:a5258871b33d 117 {
jmitc91516 1:a5258871b33d 118 if(newCalibratedRange < 0.0) {
jmitc91516 1:a5258871b33d 119 newCalibratedRange = 0.0;
jmitc91516 1:a5258871b33d 120 }
jmitc91516 1:a5258871b33d 121
jmitc91516 1:a5258871b33d 122 calibratedRange = newCalibratedRange;
jmitc91516 1:a5258871b33d 123
jmitc91516 1:a5258871b33d 124 calibrationFactor = calibratedRange / (double)barW;
jmitc91516 1:a5258871b33d 125
jmitc91516 1:a5258871b33d 126 // Force the full bar to be re-displayed
jmitc91516 1:a5258871b33d 127 previousBarPositionDisplayed = -1;
jmitc91516 1:a5258871b33d 128
jmitc91516 1:a5258871b33d 129 DisplayNewPosition();
jmitc91516 1:a5258871b33d 130 }
jmitc91516 1:a5258871b33d 131
jmitc91516 1:a5258871b33d 132 /*
jmitc91516 1:a5258871b33d 133 After updating the position of the (end of) the bar, display it.
jmitc91516 1:a5258871b33d 134
jmitc91516 1:a5258871b33d 135 If possible, display only the part that has moved, otherwise display the whole bar.
jmitc91516 1:a5258871b33d 136 */
jmitc91516 1:a5258871b33d 137 void ProgressBar::DisplayNewPosition(void)
jmitc91516 1:a5258871b33d 138 {
jmitc91516 1:a5258871b33d 139 if(previousBarPositionDisplayed == -1) {
jmitc91516 1:a5258871b33d 140 DisplayFullBar();
jmitc91516 1:a5258871b33d 141 } else {
jmitc91516 1:a5258871b33d 142 DisplayBarChangeOnly();
jmitc91516 1:a5258871b33d 143 }
jmitc91516 1:a5258871b33d 144
jmitc91516 1:a5258871b33d 145 previousBarPositionDisplayed = barPosition;
jmitc91516 1:a5258871b33d 146 }
jmitc91516 1:a5258871b33d 147
jmitc91516 1:a5258871b33d 148 /*
jmitc91516 1:a5258871b33d 149 Display the complete bar, including the border rectangle
jmitc91516 1:a5258871b33d 150 */
jmitc91516 1:a5258871b33d 151 void ProgressBar::DisplayFullBar(void)
jmitc91516 1:a5258871b33d 152 {
jmitc91516 1:a5258871b33d 153 // First display the border rectangle
jmitc91516 1:a5258871b33d 154 const int borderMargin = 1;
jmitc91516 1:a5258871b33d 155 GuiLib_Box(barX - borderMargin, barY - borderMargin, (barX + barW + borderMargin), (barY + barH + borderMargin), borderColor);
jmitc91516 1:a5258871b33d 156
jmitc91516 1:a5258871b33d 157 if( barPosition > 0) {
jmitc91516 1:a5258871b33d 158 int barX1, barY1, barX2, barY2;
jmitc91516 1:a5258871b33d 159 int backX1, backY1, backX2, backY2;
jmitc91516 1:a5258871b33d 160
jmitc91516 1:a5258871b33d 161 if( orientation == vertical) {
jmitc91516 1:a5258871b33d 162 barX1 = barX;
jmitc91516 1:a5258871b33d 163 barX2 = barX + barW;
jmitc91516 1:a5258871b33d 164
jmitc91516 1:a5258871b33d 165 backX1 = barX1;
jmitc91516 1:a5258871b33d 166 backX2 = barX2;
jmitc91516 1:a5258871b33d 167
jmitc91516 1:a5258871b33d 168
jmitc91516 1:a5258871b33d 169 // We fill from the bottom, not the top
jmitc91516 1:a5258871b33d 170 barY1 = barY + barH - barPosition;
jmitc91516 1:a5258871b33d 171 barY2 = barY + barH;
jmitc91516 1:a5258871b33d 172 if(barY1 > barY2) { barY1 = barY2; }
jmitc91516 1:a5258871b33d 173
jmitc91516 1:a5258871b33d 174 backY1 = barY;
jmitc91516 1:a5258871b33d 175 backY2 = barY1;
jmitc91516 1:a5258871b33d 176 } else {
jmitc91516 1:a5258871b33d 177 barX1 = barX;
jmitc91516 1:a5258871b33d 178 barX2 = barX + barPosition;
jmitc91516 1:a5258871b33d 179 if( barX2 < barX1) { barX2 = barX1; }
jmitc91516 1:a5258871b33d 180
jmitc91516 1:a5258871b33d 181 backX1 = barX2;
jmitc91516 1:a5258871b33d 182 backX2 = barX + barW;
jmitc91516 1:a5258871b33d 183
jmitc91516 1:a5258871b33d 184 barY1 = barY;
jmitc91516 1:a5258871b33d 185 barY2 = barY + barH;
jmitc91516 1:a5258871b33d 186
jmitc91516 1:a5258871b33d 187 backY1 = barY1;
jmitc91516 1:a5258871b33d 188 backY2 = barY2;
jmitc91516 1:a5258871b33d 189 }
jmitc91516 1:a5258871b33d 190
jmitc91516 1:a5258871b33d 191 GuiLib_FillBox(barX1, barY1, barX2, barY2, barColor);
jmitc91516 1:a5258871b33d 192 if(fillBackground) {
jmitc91516 1:a5258871b33d 193 GuiLib_FillBox(backX1, backY1, backX2, backY2, backColor);
jmitc91516 1:a5258871b33d 194 }
jmitc91516 1:a5258871b33d 195 } else {
jmitc91516 1:a5258871b33d 196 // Bar position is zero - display background only
jmitc91516 1:a5258871b33d 197 if(fillBackground) {
jmitc91516 1:a5258871b33d 198 GuiLib_FillBox(barX, barY, (barX + barW), (barY + barH), backColor);
jmitc91516 1:a5258871b33d 199 }
jmitc91516 1:a5258871b33d 200 }
jmitc91516 1:a5258871b33d 201 }
jmitc91516 1:a5258871b33d 202
jmitc91516 1:a5258871b33d 203 /*
jmitc91516 1:a5258871b33d 204 Display only the part of the bar that has changed
jmitc91516 1:a5258871b33d 205 (minimises flickering on the display).
jmitc91516 1:a5258871b33d 206 */
jmitc91516 1:a5258871b33d 207 void ProgressBar::DisplayBarChangeOnly(void)
jmitc91516 1:a5258871b33d 208 {
jmitc91516 1:a5258871b33d 209 // We are displaying only the changed portion of the bar and background rectangle.
jmitc91516 1:a5258871b33d 210 // Assume we do not therefore need to (re)display the border box.
jmitc91516 1:a5258871b33d 211 // Note also that 'barPosition' is in display units (pixels)
jmitc91516 1:a5258871b33d 212 // relative to the left hand end (horizontal bar) or bottom (vertical)
jmitc91516 1:a5258871b33d 213
jmitc91516 1:a5258871b33d 214 if(barPosition != previousBarPositionDisplayed) {
jmitc91516 1:a5258871b33d 215
jmitc91516 1:a5258871b33d 216 if(barPosition > previousBarPositionDisplayed) {
jmitc91516 1:a5258871b33d 217 // Need to extend bar
jmitc91516 1:a5258871b33d 218 int barX1, barY1, barX2, barY2;
jmitc91516 1:a5258871b33d 219
jmitc91516 1:a5258871b33d 220 if( orientation == vertical) {
jmitc91516 1:a5258871b33d 221 barX1 = barX;
jmitc91516 1:a5258871b33d 222 barX2 = barX + barW;
jmitc91516 1:a5258871b33d 223
jmitc91516 1:a5258871b33d 224
jmitc91516 1:a5258871b33d 225 // We fill from the bottom, not the top
jmitc91516 1:a5258871b33d 226 barY1 = barY + barH - barPosition;
jmitc91516 1:a5258871b33d 227 barY2 = barY + barH - previousBarPositionDisplayed;
jmitc91516 1:a5258871b33d 228
jmitc91516 1:a5258871b33d 229 if(barY1 < barY) barY1 = barY;
jmitc91516 1:a5258871b33d 230 if(barY2 > (barY + barH)) barY2 = barY + barH;
jmitc91516 1:a5258871b33d 231
jmitc91516 1:a5258871b33d 232 if(barY1 > barY2) { barY1 = barY2; }
jmitc91516 1:a5258871b33d 233
jmitc91516 1:a5258871b33d 234 } else {
jmitc91516 1:a5258871b33d 235 barX1 = barX + previousBarPositionDisplayed;
jmitc91516 1:a5258871b33d 236 barX2 = barX + barPosition;
jmitc91516 1:a5258871b33d 237
jmitc91516 1:a5258871b33d 238 if(barX1 < barX) barX1 = barX;
jmitc91516 1:a5258871b33d 239 if(barX2 > (barX + barW)) barX2 = barX + barW;
jmitc91516 1:a5258871b33d 240
jmitc91516 1:a5258871b33d 241 if( barX2 < barX1) { barX2 = barX1; }
jmitc91516 1:a5258871b33d 242
jmitc91516 1:a5258871b33d 243
jmitc91516 1:a5258871b33d 244 barY1 = barY;
jmitc91516 1:a5258871b33d 245 barY2 = barY + barH;
jmitc91516 1:a5258871b33d 246 }
jmitc91516 1:a5258871b33d 247
jmitc91516 1:a5258871b33d 248 GuiLib_FillBox(barX1, barY1, barX2, barY2, barColor);
jmitc91516 1:a5258871b33d 249 } else {
jmitc91516 1:a5258871b33d 250 if(fillBackground) {
jmitc91516 1:a5258871b33d 251 // Bar has reduced in length - need to extend background bitmap/fill
jmitc91516 1:a5258871b33d 252 int backX1, backY1, backX2, backY2;
jmitc91516 1:a5258871b33d 253
jmitc91516 1:a5258871b33d 254 if( orientation == vertical) {
jmitc91516 1:a5258871b33d 255 backX1 = barX;
jmitc91516 1:a5258871b33d 256 backX2 = barX + barW;
jmitc91516 1:a5258871b33d 257
jmitc91516 1:a5258871b33d 258
jmitc91516 1:a5258871b33d 259 // We fill from the bottom, not the top
jmitc91516 1:a5258871b33d 260 backY1 = barY + barH - previousBarPositionDisplayed;
jmitc91516 1:a5258871b33d 261 backY2 = barY + barH - barPosition;
jmitc91516 1:a5258871b33d 262
jmitc91516 1:a5258871b33d 263 if(backY1 < barY) backY1 = barY;
jmitc91516 1:a5258871b33d 264 if(backY2 > (barY + barH)) backY2 = barY + barH;
jmitc91516 1:a5258871b33d 265
jmitc91516 1:a5258871b33d 266 if(backY1 > backY2) { backY1 = backY2; }
jmitc91516 1:a5258871b33d 267
jmitc91516 1:a5258871b33d 268 } else {
jmitc91516 1:a5258871b33d 269 backX1 = barX + barPosition;
jmitc91516 1:a5258871b33d 270 backX2 = barX + previousBarPositionDisplayed;
jmitc91516 1:a5258871b33d 271
jmitc91516 1:a5258871b33d 272 if(backX1 < barX) backX1 = barX;
jmitc91516 1:a5258871b33d 273 if(backX2 > (barX + barW)) backX2 = barX + barW;
jmitc91516 1:a5258871b33d 274
jmitc91516 1:a5258871b33d 275 if( backX2 < backX1) { backX2 = backX1; }
jmitc91516 1:a5258871b33d 276
jmitc91516 1:a5258871b33d 277
jmitc91516 1:a5258871b33d 278 backY1 = barY;
jmitc91516 1:a5258871b33d 279 backY2 = barY + barH;
jmitc91516 1:a5258871b33d 280 }
jmitc91516 1:a5258871b33d 281
jmitc91516 1:a5258871b33d 282 GuiLib_FillBox(backX1, backY1, backX2, backY2, backColor);
jmitc91516 1:a5258871b33d 283 }
jmitc91516 1:a5258871b33d 284 }
jmitc91516 1:a5258871b33d 285 }
jmitc91516 1:a5258871b33d 286 // else no change - nothing to do
jmitc91516 1:a5258871b33d 287 }