Embedded Artists / DMBasicGUI

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 EmbeddedArtists AB

Application/ImageButton.cpp@4:a73760d09423, 2014-12-19 (annotated)

Committer:
embeddedartists
Date:
Fri Dec 19 16:40:30 2014 +0100
Revision:
4:a73760d09423
Parent:
3:3fabfe3339b8
Child:
6:7917b0894655
- Fixed bug in AppTouchCalibration (return values not correctly handled)

- Added support to ImageButton for images from c-array

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 2:efae611de184 1 /*
embeddedartists 2:efae611de184 2 * Copyright 2014 Embedded Artists AB
embeddedartists 2:efae611de184 3 *
embeddedartists 2:efae611de184 4 * Licensed under the Apache License, Version 2.0 (the "License");
embeddedartists 2:efae611de184 5 * you may not use this file except in compliance with the License.
embeddedartists 2:efae611de184 6 * You may obtain a copy of the License at
embeddedartists 2:efae611de184 7 *
embeddedartists 2:efae611de184 8 * http://www.apache.org/licenses/LICENSE-2.0
embeddedartists 2:efae611de184 9 *
embeddedartists 2:efae611de184 10 * Unless required by applicable law or agreed to in writing, software
embeddedartists 2:efae611de184 11 * distributed under the License is distributed on an "AS IS" BASIS,
embeddedartists 2:efae611de184 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
embeddedartists 2:efae611de184 13 * See the License for the specific language governing permissions and
embeddedartists 2:efae611de184 14 * limitations under the License.
embeddedartists 2:efae611de184 15 */
embeddedartists 2:efae611de184 16
embeddedartists 2:efae611de184 17 #include "ImageButton.h"
embeddedartists 2:efae611de184 18 #include "mbed.h"
embeddedartists 2:efae611de184 19 #include "DMBoard.h"
embeddedartists 2:efae611de184 20
embeddedartists 2:efae611de184 21 #include "lpc_swim_image.h"
embeddedartists 2:efae611de184 22
embeddedartists 3:3fabfe3339b8 23 ImageButton::ImageButton(COLOR_T* fb, uint16_t x, uint16_t y, uint16_t width, uint16_t height) :
embeddedartists 2:efae611de184 24 Clickable(fb, x, y, width, height)
embeddedartists 2:efae611de184 25 {
embeddedartists 2:efae611de184 26 _imgUp.pixels = NULL;
embeddedartists 2:efae611de184 27 _imgDown.pixels = NULL;
embeddedartists 2:efae611de184 28 }
embeddedartists 2:efae611de184 29
embeddedartists 2:efae611de184 30 ImageButton::~ImageButton()
embeddedartists 2:efae611de184 31 {
embeddedartists 2:efae611de184 32 if (_imgUp.pixels != NULL) {
embeddedartists 2:efae611de184 33 free(_imgUp.pixels);
embeddedartists 2:efae611de184 34 _imgUp.pixels = NULL;
embeddedartists 2:efae611de184 35 }
embeddedartists 2:efae611de184 36 if (_imgDown.pixels != NULL) {
embeddedartists 2:efae611de184 37 free(_imgDown.pixels);
embeddedartists 2:efae611de184 38 _imgDown.pixels = NULL;
embeddedartists 2:efae611de184 39 }
embeddedartists 2:efae611de184 40 }
embeddedartists 2:efae611de184 41
embeddedartists 3:3fabfe3339b8 42 bool ImageButton::loadImages(const char* imgUp, const char* imgDown)
embeddedartists 3:3fabfe3339b8 43 {
embeddedartists 3:3fabfe3339b8 44 if (_imgUp.pixels != NULL) {
embeddedartists 3:3fabfe3339b8 45 free(_imgUp.pixels);
embeddedartists 3:3fabfe3339b8 46 _imgUp.pixels = NULL;
embeddedartists 3:3fabfe3339b8 47 }
embeddedartists 3:3fabfe3339b8 48 if (_imgDown.pixels != NULL) {
embeddedartists 3:3fabfe3339b8 49 free(_imgDown.pixels);
embeddedartists 3:3fabfe3339b8 50 _imgDown.pixels = NULL;
embeddedartists 3:3fabfe3339b8 51 }
embeddedartists 3:3fabfe3339b8 52 if (Image::decode(imgUp, Image::RES_16BIT, &_imgUp) != 0) {
embeddedartists 3:3fabfe3339b8 53 DMBoard::instance().logger()->printf("Failed to load %s\n", imgUp);
embeddedartists 3:3fabfe3339b8 54 return false;
embeddedartists 3:3fabfe3339b8 55 }
embeddedartists 3:3fabfe3339b8 56 if (imgDown != NULL) {
embeddedartists 3:3fabfe3339b8 57 if (Image::decode(imgDown, Image::RES_16BIT, &_imgDown) == 0) {
embeddedartists 3:3fabfe3339b8 58 DMBoard::instance().logger()->printf("Failed to load %s\n", imgDown);
embeddedartists 3:3fabfe3339b8 59 return false;
embeddedartists 3:3fabfe3339b8 60 }
embeddedartists 3:3fabfe3339b8 61 }
embeddedartists 3:3fabfe3339b8 62 return true;
embeddedartists 3:3fabfe3339b8 63 }
embeddedartists 3:3fabfe3339b8 64
embeddedartists 4:a73760d09423 65 bool ImageButton::loadImages(const unsigned char* imgUp, unsigned int imgUpSize,
embeddedartists 4:a73760d09423 66 const unsigned char* imgDown, unsigned int imgDownSize)
embeddedartists 4:a73760d09423 67 {
embeddedartists 4:a73760d09423 68 if (_imgUp.pixels != NULL) {
embeddedartists 4:a73760d09423 69 free(_imgUp.pixels);
embeddedartists 4:a73760d09423 70 _imgUp.pixels = NULL;
embeddedartists 4:a73760d09423 71 }
embeddedartists 4:a73760d09423 72 if (_imgDown.pixels != NULL) {
embeddedartists 4:a73760d09423 73 free(_imgDown.pixels);
embeddedartists 4:a73760d09423 74 _imgDown.pixels = NULL;
embeddedartists 4:a73760d09423 75 }
embeddedartists 4:a73760d09423 76 if (Image::decode(imgUp, imgUpSize, Image::RES_16BIT, &_imgUp) != 0) {
embeddedartists 4:a73760d09423 77 DMBoard::instance().logger()->printf("Failed to load %s\n", imgUp);
embeddedartists 4:a73760d09423 78 return false;
embeddedartists 4:a73760d09423 79 }
embeddedartists 4:a73760d09423 80 if (imgDown != NULL) {
embeddedartists 4:a73760d09423 81 if (Image::decode(imgDown, imgDownSize, Image::RES_16BIT, &_imgDown) == 0) {
embeddedartists 4:a73760d09423 82 DMBoard::instance().logger()->printf("Failed to load %s\n", imgDown);
embeddedartists 4:a73760d09423 83 return false;
embeddedartists 4:a73760d09423 84 }
embeddedartists 4:a73760d09423 85 }
embeddedartists 4:a73760d09423 86 return true;
embeddedartists 4:a73760d09423 87 }
embeddedartists 4:a73760d09423 88
embeddedartists 4:a73760d09423 89
embeddedartists 2:efae611de184 90 void ImageButton::draw()
embeddedartists 2:efae611de184 91 {
embeddedartists 2:efae611de184 92 if (_pressed) {
embeddedartists 2:efae611de184 93 if (_imgDown.pixels != NULL) {
embeddedartists 2:efae611de184 94 swim_put_image(&_win, _imgDown.pixels, _imgDown.width, _imgDown.height);
embeddedartists 2:efae611de184 95 }
embeddedartists 2:efae611de184 96 } else {
embeddedartists 3:3fabfe3339b8 97 if (_imgUp.pixels != NULL) {
embeddedartists 3:3fabfe3339b8 98 swim_put_image(&_win, _imgUp.pixels, _imgUp.width, _imgUp.height);
embeddedartists 3:3fabfe3339b8 99 }
embeddedartists 2:efae611de184 100 }
embeddedartists 2:efae611de184 101 }