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/ImageButton.cpp
- Committer:
- embeddedartists
- Date:
- 2015-03-20
- Revision:
- 17:6e2abf107800
- Parent:
- 11:265884fa7fdd
File content as of revision 17:6e2abf107800:
/* * Copyright 2014 Embedded Artists AB * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "ImageButton.h" #include "mbed.h" #include "DMBoard.h" #include "lpc_swim_image.h" #include "lpc_swim_font.h" #include "lpc_colors.h" ImageButton::ImageButton(COLOR_T* fb, uint16_t x, uint16_t y, uint16_t width, uint16_t height, const char* caption, COLOR_T color) : Clickable(fb, x, y, width, height+(caption==NULL?0:20)) { _imgUp.pointerToFree = NULL; _imgUp.pixels = NULL; _imgDown.pointerToFree = NULL; _imgDown.pixels = NULL; _caption = NULL; _transparent = false; if (caption != NULL) { _caption = (char*)malloc(strlen(caption)+1); if (_caption != NULL) { strcpy(_caption, caption); } _captionColor = color; } } ImageButton::~ImageButton() { if (_imgUp.pointerToFree != NULL) { free(_imgUp.pointerToFree); _imgUp.pointerToFree = NULL; } if (_imgDown.pointerToFree != NULL) { free(_imgDown.pointerToFree); _imgDown.pointerToFree = NULL; } if (_caption != NULL) { free(_caption); _caption = NULL; } } bool ImageButton::loadImages(const char* imgUp, const char* imgDown) { if (_imgUp.pointerToFree != NULL) { free(_imgUp.pointerToFree); _imgUp.pointerToFree = NULL; } if (_imgDown.pointerToFree != NULL) { free(_imgDown.pointerToFree); _imgDown.pointerToFree = NULL; } if (Image::decode(imgUp, Image::RES_16BIT, &_imgUp) != 0) { DMBoard::instance().logger()->printf("Failed to load %s\n", imgUp); return false; } if (imgDown != NULL) { if (Image::decode(imgDown, Image::RES_16BIT, &_imgDown) == 0) { DMBoard::instance().logger()->printf("Failed to load %s\n", imgDown); return false; } } return true; } bool ImageButton::loadImages(const unsigned char* imgUp, unsigned int imgUpSize, const unsigned char* imgDown, unsigned int imgDownSize) { if (_imgUp.pointerToFree != NULL) { free(_imgUp.pointerToFree); _imgUp.pointerToFree = NULL; } if (_imgDown.pointerToFree != NULL) { free(_imgDown.pointerToFree); _imgDown.pointerToFree = NULL; } if (Image::decode(imgUp, imgUpSize, Image::RES_16BIT, &_imgUp) != 0) { DMBoard::instance().logger()->printf("Failed to load %s\n", imgUp); return false; } if (imgDown != NULL) { if (Image::decode(imgDown, imgDownSize, Image::RES_16BIT, &_imgDown) == 0) { DMBoard::instance().logger()->printf("Failed to load %s\n", imgDown); return false; } } return true; } bool ImageButton::loadImages(Resource* resImgUp, Resource* resImgDown) { if (_imgUp.pointerToFree != NULL) { free(_imgUp.pointerToFree); _imgUp.pointerToFree = NULL; } if (_imgDown.pointerToFree != NULL) { free(_imgDown.pointerToFree); _imgDown.pointerToFree = NULL; } if (Image::decode(resImgUp, Image::RES_16BIT, &_imgUp) != 0) { DMBoard::instance().logger()->printf("Failed to load \"up\" image\n"); return false; } if (resImgDown != NULL) { if (Image::decode(resImgDown, Image::RES_16BIT, &_imgDown) == 0) { DMBoard::instance().logger()->printf("Failed to load \"down\" image\n"); return false; } } return true; } void ImageButton::setTransparency(COLOR_T tColor) { _transparent = true; _transparentColor = tColor; } void ImageButton::draw(COLOR_T* fb) { if (fb != NULL) { _win.fb = fb; } if (_caption != NULL) { _win.pen = _captionColor; swim_put_text_centered_win(&_win, _caption, _imgUp.height+2); } if (_pressed) { if (_imgDown.pixels != NULL) { if (_transparent) { swim_put_transparent_image_xy(&_win, _imgDown.pixels, _imgDown.width, _imgDown.height, 0, 0, _transparentColor); } else { swim_put_image(&_win, _imgDown.pixels, _imgDown.width, _imgDown.height); } } } else { if (_imgUp.pixels != NULL) { if (_transparent) { swim_put_transparent_image_xy(&_win, _imgUp.pixels, _imgUp.width, _imgUp.height, 0, 0, _transparentColor); } else { swim_put_image(&_win, _imgUp.pixels, _imgUp.width, _imgUp.height); } } } }