git.maemo.org Git - situare/blob - src/ui/avatarimage.cpp

   1 /*
   2    Situare - A location system for Facebook
   3    Copyright (C) 2010  Ixonos Plc. Authors:
   4
   5        Jukka Saastamoinen - jukka.saastamoinen@ixonos.com
   6        Jussi Laitinen - jussi.laitinen@ixonos.com
   7
   8    Situare is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU General Public License
  10    version 2 as published by the Free Software Foundation.
  11
  12    Situare is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with Situare; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
  20    USA.
  21 */
  22
  23 #include "avatarimage.h"
  24 #include <QPainter>
  25 #include <QDebug>
  26
  27 // constants for normal images
  28 const int IMAGE_WIDTH = 64;     ///< Created image width
  29 const int IMAGE_HEIGHT = 64;    ///< Created image height
  30 const int ORIGINAL_IMAGE_X = 7; ///< Original image x position
  31 const int ORIGINAL_IMAGE_Y = 7; ///< Original image y position
  32 const int ROUNDNESS = 9;        ///< Image roundness
  33 const int CLIP_X_OFFSET = 1;    ///< Clip
  34
  35 // constants for large images
  36 const int BORDER_HEIGHT = 118; ///< Height of large profile image border
  37 const int BORDER_OFFSET = 9; ///< Transparent area in border graphics edges
  38 const int FORCED_IMAGE_HEIGHT = 100; ///< Height where user images are scaled
  39 const int IMAGE_MAX_WIDTH = 220; ///< Mamimum allowed width for profile image
  40 const int LEFT_BORDER_WIDTH = 20; ///< Width of large profile image left border
  41 const int RIGHT_BORDER_WIDHT = 20; ///< Width of large profile image right border
  42 const int SMALL_IMAGE_SIZE = 50;  ///< Size of small facebook profile image
  43
  44 QPixmap AvatarImage::create(const QPixmap &image)
  45 {
  46     qWarning() << __PRETTY_FUNCTION__;
  47
  48     if (image.height() == SMALL_IMAGE_SIZE && image.width() == SMALL_IMAGE_SIZE)
  49     {
  50         QPixmap avatarImage = QPixmap(IMAGE_WIDTH, IMAGE_HEIGHT);
  51         avatarImage.fill(Qt::transparent);
  52         QPainter painter(&avatarImage);
  53
  54         QRect imageRect = QRect(0, 0, image.width(), image.height());
  55
  56         QPainterPath roundedRect;
  57         roundedRect.addRoundedRect(ORIGINAL_IMAGE_X-1, ORIGINAL_IMAGE_Y-1, imageRect.width()+1,
  58                                    imageRect.height()+1,ROUNDNESS,ROUNDNESS);
  59         painter.save();
  60         painter.setClipPath(roundedRect);
  61         painter.drawPixmap(QPointF(ORIGINAL_IMAGE_X, ORIGINAL_IMAGE_Y), image);
  62         painter.restore();
  63         painter.drawPixmap(0, 0, IMAGE_WIDTH, IMAGE_HEIGHT,
  64                            QPixmap(":/res/images/profile_pic_border.png"));
  65
  66         return avatarImage;
  67     } else {
  68
  69         qWarning() << "Avatarimage original size: " << image.width() << image.height();
  70
  71         QPixmap scaledProfileImage = image.scaledToHeight(FORCED_IMAGE_HEIGHT,
  72                                                           Qt::SmoothTransformation);
  73
  74         qWarning() << "Avatarimage scaled size:  "
  75                    << scaledProfileImage.width() << scaledProfileImage.height();
  76
  77         //  unsupported image size ratios are drawn without borders.
  78         if (scaledProfileImage.width() + 2*BORDER_OFFSET > IMAGE_MAX_WIDTH)
  79             return image;
  80
  81         else if (scaledProfileImage.width() < 2*LEFT_BORDER_WIDTH)
  82             return image;
  83
  84         else {
  85
  86             QPixmap avatarImage = QPixmap(scaledProfileImage.width()+BORDER_OFFSET*2,
  87                                           BORDER_HEIGHT);
  88             avatarImage.fill(Qt::transparent);
  89             QPainter painter(&avatarImage);
  90             painter.drawPixmap(QPointF(BORDER_OFFSET, BORDER_OFFSET),scaledProfileImage);
  91
  92             QRect leftFrameRectangle(0,0, LEFT_BORDER_WIDTH, BORDER_HEIGHT);
  93             QRect middleFrameRectangle(LEFT_BORDER_WIDTH, 0,
  94                                        scaledProfileImage.width() - LEFT_BORDER_WIDTH
  95                                        - RIGHT_BORDER_WIDHT + 2*BORDER_OFFSET, BORDER_HEIGHT);
  96             QRect rightFrameRectangle(LEFT_BORDER_WIDTH + middleFrameRectangle.width(), 0,
  97                                       RIGHT_BORDER_WIDHT, BORDER_HEIGHT);
  98
  99             painter.drawPixmap(leftFrameRectangle,
 100                                QPixmap(":/res/images/large_profile_pic_border_left.png"));
 101             painter.drawPixmap(middleFrameRectangle,
 102                                QPixmap(":/res/images/large_profile_pic_border_middle.png"));
 103             painter.drawPixmap(rightFrameRectangle,
 104                                QPixmap(":/res/images/large_profile_pic_border_right.png"));
 105
 106             return avatarImage;
 107         }
 108     }
 109 }