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@9:ce69a7adfe9c, 2015-01-20 (annotated)

Committer:
embeddedartists
Date:
Tue Jan 20 09:05:30 2015 +0100
Revision:
9:ce69a7adfe9c
Parent:
6:7917b0894655
Child:
11:265884fa7fdd
- Added support in DigitButton and ImageButton to pass a pre-loaded image

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 9:ce69a7adfe9c 26 _imgUp.pointerToFree = NULL;
embeddedartists 2:efae611de184 27 _imgUp.pixels = NULL;
embeddedartists 9:ce69a7adfe9c 28 _imgDown.pointerToFree = NULL;
embeddedartists 2:efae611de184 29 _imgDown.pixels = NULL;
embeddedartists 2:efae611de184 30 }
embeddedartists 2:efae611de184 31
embeddedartists 2:efae611de184 32 ImageButton::~ImageButton()
embeddedartists 2:efae611de184 33 {
embeddedartists 9:ce69a7adfe9c 34 if (_imgUp.pointerToFree != NULL) {
embeddedartists 9:ce69a7adfe9c 35 free(_imgUp.pointerToFree);
embeddedartists 9:ce69a7adfe9c 36 _imgUp.pointerToFree = NULL;
embeddedartists 2:efae611de184 37 }
embeddedartists 9:ce69a7adfe9c 38 if (_imgDown.pointerToFree != NULL) {
embeddedartists 9:ce69a7adfe9c 39 free(_imgDown.pointerToFree);
embeddedartists 9:ce69a7adfe9c 40 _imgDown.pointerToFree = NULL;
embeddedartists 2:efae611de184 41 }
embeddedartists 2:efae611de184 42 }
embeddedartists 2:efae611de184 43
embeddedartists 3:3fabfe3339b8 44 bool ImageButton::loadImages(const char* imgUp, const char* imgDown)
embeddedartists 3:3fabfe3339b8 45 {
embeddedartists 9:ce69a7adfe9c 46 if (_imgUp.pointerToFree != NULL) {
embeddedartists 9:ce69a7adfe9c 47 free(_imgUp.pointerToFree);
embeddedartists 9:ce69a7adfe9c 48 _imgUp.pointerToFree = NULL;
embeddedartists 3:3fabfe3339b8 49 }
embeddedartists 9:ce69a7adfe9c 50 if (_imgDown.pointerToFree != NULL) {
embeddedartists 9:ce69a7adfe9c 51 free(_imgDown.pointerToFree);
embeddedartists 9:ce69a7adfe9c 52 _imgDown.pointerToFree = NULL;
embeddedartists 3:3fabfe3339b8 53 }
embeddedartists 3:3fabfe3339b8 54 if (Image::decode(imgUp, Image::RES_16BIT, &_imgUp) != 0) {
embeddedartists 3:3fabfe3339b8 55 DMBoard::instance().logger()->printf("Failed to load %s\n", imgUp);
embeddedartists 3:3fabfe3339b8 56 return false;
embeddedartists 3:3fabfe3339b8 57 }
embeddedartists 3:3fabfe3339b8 58 if (imgDown != NULL) {
embeddedartists 3:3fabfe3339b8 59 if (Image::decode(imgDown, Image::RES_16BIT, &_imgDown) == 0) {
embeddedartists 3:3fabfe3339b8 60 DMBoard::instance().logger()->printf("Failed to load %s\n", imgDown);
embeddedartists 3:3fabfe3339b8 61 return false;
embeddedartists 3:3fabfe3339b8 62 }
embeddedartists 3:3fabfe3339b8 63 }
embeddedartists 3:3fabfe3339b8 64 return true;
embeddedartists 3:3fabfe3339b8 65 }
embeddedartists 3:3fabfe3339b8 66
embeddedartists 4:a73760d09423 67 bool ImageButton::loadImages(const unsigned char* imgUp, unsigned int imgUpSize,
embeddedartists 4:a73760d09423 68 const unsigned char* imgDown, unsigned int imgDownSize)
embeddedartists 4:a73760d09423 69 {
embeddedartists 9:ce69a7adfe9c 70 if (_imgUp.pointerToFree != NULL) {
embeddedartists 9:ce69a7adfe9c 71 free(_imgUp.pointerToFree);
embeddedartists 9:ce69a7adfe9c 72 _imgUp.pointerToFree = NULL;
embeddedartists 4:a73760d09423 73 }
embeddedartists 9:ce69a7adfe9c 74 if (_imgDown.pointerToFree != NULL) {
embeddedartists 9:ce69a7adfe9c 75 free(_imgDown.pointerToFree);
embeddedartists 9:ce69a7adfe9c 76 _imgDown.pointerToFree = NULL;
embeddedartists 4:a73760d09423 77 }
embeddedartists 4:a73760d09423 78 if (Image::decode(imgUp, imgUpSize, Image::RES_16BIT, &_imgUp) != 0) {
embeddedartists 4:a73760d09423 79 DMBoard::instance().logger()->printf("Failed to load %s\n", imgUp);
embeddedartists 4:a73760d09423 80 return false;
embeddedartists 4:a73760d09423 81 }
embeddedartists 4:a73760d09423 82 if (imgDown != NULL) {
embeddedartists 4:a73760d09423 83 if (Image::decode(imgDown, imgDownSize, Image::RES_16BIT, &_imgDown) == 0) {
embeddedartists 4:a73760d09423 84 DMBoard::instance().logger()->printf("Failed to load %s\n", imgDown);
embeddedartists 4:a73760d09423 85 return false;
embeddedartists 4:a73760d09423 86 }
embeddedartists 4:a73760d09423 87 }
embeddedartists 4:a73760d09423 88 return true;
embeddedartists 4:a73760d09423 89 }
embeddedartists 4:a73760d09423 90
embeddedartists 4:a73760d09423 91
embeddedartists 6:7917b0894655 92 void ImageButton::draw(COLOR_T* fb)
embeddedartists 2:efae611de184 93 {
embeddedartists 6:7917b0894655 94 if (fb != NULL) {
embeddedartists 6:7917b0894655 95 _win.fb = fb;
embeddedartists 6:7917b0894655 96 }
embeddedartists 2:efae611de184 97 if (_pressed) {
embeddedartists 2:efae611de184 98 if (_imgDown.pixels != NULL) {
embeddedartists 2:efae611de184 99 swim_put_image(&_win, _imgDown.pixels, _imgDown.width, _imgDown.height);
embeddedartists 2:efae611de184 100 }
embeddedartists 2:efae611de184 101 } else {
embeddedartists 3:3fabfe3339b8 102 if (_imgUp.pixels != NULL) {
embeddedartists 3:3fabfe3339b8 103 swim_put_image(&_win, _imgUp.pixels, _imgUp.width, _imgUp.height);
embeddedartists 3:3fabfe3339b8 104 }
embeddedartists 2:efae611de184 105 }
embeddedartists 2:efae611de184 106 }