-rw-r--r-- | noncore/graphics/opie-eye/lib/oimagezoomer.cpp | 90 | ||||
-rw-r--r-- | noncore/graphics/opie-eye/lib/oimagezoomer.h | 84 |
2 files changed, 166 insertions, 8 deletions
diff --git a/noncore/graphics/opie-eye/lib/oimagezoomer.cpp b/noncore/graphics/opie-eye/lib/oimagezoomer.cpp index ffa3c0c..4df5dcc 100644 --- a/noncore/graphics/opie-eye/lib/oimagezoomer.cpp +++ b/noncore/graphics/opie-eye/lib/oimagezoomer.cpp | |||
@@ -11,2 +11,13 @@ namespace Opie { | |||
11 | namespace MM { | 11 | namespace MM { |
12 | |||
13 | /** | ||
14 | * \brief The most simple c'tor | ||
15 | * The main c'tor. You still need to set a QPixmap/QIMage, | ||
16 | * setImageSize,setViewPortSize,setVisiblePoint | ||
17 | * | ||
18 | * @param parent The parent widget | ||
19 | * @param name A name for this widget | ||
20 | * @param fl The widget flags | ||
21 | * | ||
22 | */ | ||
12 | OImageZoomer::OImageZoomer( QWidget* parent, const char* name, WFlags fl ) | 23 | OImageZoomer::OImageZoomer( QWidget* parent, const char* name, WFlags fl ) |
@@ -16,2 +27,14 @@ OImageZoomer::OImageZoomer( QWidget* parent, const char* name, WFlags fl ) | |||
16 | 27 | ||
28 | |||
29 | /** | ||
30 | * \brief This c'tor takes a QPixmap additional | ||
31 | * | ||
32 | * You initially set the QPixmap but you still need to provide | ||
33 | * the additional data to make this widget useful | ||
34 | * | ||
35 | * @param pix A Pixmap it'll be converted to a QImage later! | ||
36 | * @param par The parent widget | ||
37 | * @param name The name of this widget | ||
38 | * @param fl The widget flags | ||
39 | */ | ||
17 | OImageZoomer::OImageZoomer( const QPixmap& pix, QWidget* par, const char* name, WFlags fl ) | 40 | OImageZoomer::OImageZoomer( const QPixmap& pix, QWidget* par, const char* name, WFlags fl ) |
@@ -22,2 +45,31 @@ OImageZoomer::OImageZoomer( const QPixmap& pix, QWidget* par, const char* name, | |||
22 | 45 | ||
46 | |||
47 | /** | ||
48 | * \brief This c'tor takes a QImage instead | ||
49 | * You just provide a QImage which is saved. It behaves the same as the others. | ||
50 | * | ||
51 | * @param img A Image which will be used for the zoomer content | ||
52 | * @param par The parent of the widget | ||
53 | * @param name The name of the widget | ||
54 | * @param fl The widgets flags | ||
55 | */ | ||
56 | OImageZoomer::OImageZoomer( const QImage& img, QWidget* par, const char* name, WFlags fl) | ||
57 | : QFrame( par, name, fl ) { | ||
58 | init(); | ||
59 | setImage( img ); | ||
60 | } | ||
61 | |||
62 | |||
63 | /** | ||
64 | * \brief overloaded c'tor | ||
65 | * | ||
66 | * This differs only in the arguments it takes | ||
67 | * | ||
68 | * | ||
69 | * @param pSize The size of the Page you show | ||
70 | * @param vSize The size of the viewport. The size of the visible part of the widget | ||
71 | * @param par The parent of the widget | ||
72 | * @param name The name | ||
73 | * @param fl The window flags | ||
74 | */ | ||
23 | OImageZoomer::OImageZoomer( const QSize& pSize, const QSize& vSize, QWidget* par, | 75 | OImageZoomer::OImageZoomer( const QSize& pSize, const QSize& vSize, QWidget* par, |
@@ -28,2 +80,5 @@ OImageZoomer::OImageZoomer( const QSize& pSize, const QSize& vSize, QWidget* par | |||
28 | 80 | ||
81 | /** | ||
82 | * d'tor | ||
83 | */ | ||
29 | OImageZoomer::~OImageZoomer() { | 84 | OImageZoomer::~OImageZoomer() { |
@@ -36,2 +91,10 @@ void OImageZoomer::init() { | |||
36 | 91 | ||
92 | |||
93 | /** | ||
94 | * \brief set the page/image size | ||
95 | * Tell us the QSize of the Data you show to the user. We need this | ||
96 | * to do the calculations | ||
97 | * | ||
98 | * @param size The size of the stuff you want to zoom on | ||
99 | */ | ||
37 | void OImageZoomer::setImageSize( const QSize& size ) { | 100 | void OImageZoomer::setImageSize( const QSize& size ) { |
@@ -40,2 +103,12 @@ void OImageZoomer::setImageSize( const QSize& size ) { | |||
40 | } | 103 | } |
104 | |||
105 | /** | ||
106 | * \brief Set the size of the viewport | ||
107 | * Tell us the QSize of the viewport. The viewport is the part | ||
108 | * of the widget which is exposed on the screen | ||
109 | * | ||
110 | * @param size Te size of the viewport | ||
111 | * | ||
112 | * @see QScrollView::viewport() | ||
113 | */ | ||
41 | void OImageZoomer::setViewPortSize( const QSize& size ) { | 114 | void OImageZoomer::setViewPortSize( const QSize& size ) { |
@@ -45,2 +118,9 @@ void OImageZoomer::setViewPortSize( const QSize& size ) { | |||
45 | 118 | ||
119 | /** | ||
120 | * \brief the point in the topleft corner which is currently visible | ||
121 | * Set the visible point. This most of the times relate to QScrollView::contentsX() | ||
122 | * and QScrollView::contentsY() | ||
123 | * | ||
124 | * @see setVisiblePoint(int,int) | ||
125 | */ | ||
46 | void OImageZoomer::setVisiblePoint( const QPoint& pt ) { | 126 | void OImageZoomer::setVisiblePoint( const QPoint& pt ) { |
@@ -50,2 +130,9 @@ void OImageZoomer::setVisiblePoint( const QPoint& pt ) { | |||
50 | 130 | ||
131 | |||
132 | /** | ||
133 | * Set the Image. The image will be resized on resizeEvent | ||
134 | * and it'll set the QPixmap background | ||
135 | * | ||
136 | * @param img The image will be stored internally and used as the background | ||
137 | */ | ||
51 | void OImageZoomer::setImage( const QImage& img) { | 138 | void OImageZoomer::setImage( const QImage& img) { |
@@ -56,2 +143,5 @@ void OImageZoomer::setImage( const QImage& img) { | |||
56 | 143 | ||
144 | /** | ||
145 | * overloaded function it calls the QImage version | ||
146 | */ | ||
57 | void OImageZoomer::setImage( const QPixmap& pix) { | 147 | void OImageZoomer::setImage( const QPixmap& pix) { |
diff --git a/noncore/graphics/opie-eye/lib/oimagezoomer.h b/noncore/graphics/opie-eye/lib/oimagezoomer.h index 605416c..2516c61 100644 --- a/noncore/graphics/opie-eye/lib/oimagezoomer.h +++ b/noncore/graphics/opie-eye/lib/oimagezoomer.h | |||
@@ -15,8 +15,25 @@ namespace MM { | |||
15 | /** | 15 | /** |
16 | * \brief small class to zoom over a widget | 16 | * \brief small class to zoom over a Page |
17 | * This class takes a QImage or QPixmap | 17 | * |
18 | * and gets the size of the original image | 18 | * This class represents your page but smaller. |
19 | * and provides depending of this widgets size | 19 | * It can draw a Rect on top of an Image/Pixmap you supply |
20 | * a zoomer and emits the region which should | 20 | * and you can allow the user easily zooming/moving |
21 | * be shown / zoomed to | 21 | * over your widget. |
22 | * All you need to do is to supply a image/pixmap, the visible size | ||
23 | * and the original image/pixmap size and the current visible top/left | ||
24 | * position. | ||
25 | * | ||
26 | * This Image works perfectly with QScrollView as you can connect | ||
27 | * QScrollView::contentsMoving to setVisiblePoint slot and the zoomAreRel | ||
28 | * to the QScrollView::scrollBy slot. Now you would only need to watch | ||
29 | * the resize event anf give us the new information about QScrollView::viewport | ||
30 | * | ||
31 | * You need to position and set the size of this widget! using setFixedSize() is quite | ||
32 | * a good idea for this widget | ||
33 | * | ||
34 | * @see QScrollView | ||
35 | * @see QScrollView::viewport() | ||
36 | * | ||
37 | * @since 1.2 | ||
38 | * | ||
22 | */ | 39 | */ |
@@ -40,6 +57,32 @@ public slots: | |||
40 | signals: | 57 | signals: |
41 | void zoomAreaRel( int,int ); | 58 | /** |
42 | void zoomArea( int,int ); | 59 | * Relative movement in the coordinates of the viewport |
60 | * This signal can easily be connected to QScrollView::scrollBy. | ||
61 | * This signal is emitted from within the mouseMoveEvent of this widget | ||
62 | * | ||
63 | * | ||
64 | * @param x The way to move relative on the X-Axis | ||
65 | * @param y The way to move relative on the Y-Axis | ||
66 | * | ||
67 | * @see setVisiblePoint | ||
68 | * @see QScrollView::scrollBy | ||
69 | */ | ||
70 | void zoomAreaRel( int x,int y); | ||
71 | |||
72 | /** | ||
73 | * Here you get absolute coordinates. | ||
74 | * This slot will be emitted from within the mouseMoveEvent of this widget. | ||
75 | * So you may not delete this widget | ||
76 | * | ||
77 | * @param x The absolute X Coordinate to scroll to. | ||
78 | * @param y The absolute Y Coordinate to scroll to. | ||
79 | * | ||
80 | */ | ||
81 | void zoomArea( int x,int y); | ||
43 | 82 | ||
44 | public: | 83 | public: |
84 | /** | ||
85 | * make sure to call these if you reimplement | ||
86 | * @internal | ||
87 | */ | ||
45 | void resizeEvent( QResizeEvent* ); | 88 | void resizeEvent( QResizeEvent* ); |
@@ -47,4 +90,17 @@ public: | |||
47 | protected: | 90 | protected: |
91 | /** | ||
92 | * make sure to call these if you reimplement | ||
93 | * @internal | ||
94 | */ | ||
48 | void drawContents( QPainter* p ); | 95 | void drawContents( QPainter* p ); |
96 | |||
97 | /** | ||
98 | * make sure to call these if you reimplememt | ||
99 | * @internal | ||
100 | */ | ||
49 | void mousePressEvent( QMouseEvent* ev ); | 101 | void mousePressEvent( QMouseEvent* ev ); |
102 | /** | ||
103 | * make sure to call these if you reimplement | ||
104 | * @internal | ||
105 | */ | ||
50 | void mouseMoveEvent( QMouseEvent* ev ); | 106 | void mouseMoveEvent( QMouseEvent* ev ); |
@@ -52,2 +108,5 @@ protected: | |||
52 | private: | 108 | private: |
109 | /** | ||
110 | * @internal | ||
111 | */ | ||
53 | void init(); | 112 | void init(); |
@@ -59,2 +118,11 @@ private: | |||
59 | 118 | ||
119 | /** | ||
120 | * This slot is present for convience. You can connect the | ||
121 | * QScrollView::contentsMoved to this slot and it calls the QPoint | ||
122 | * version for you | ||
123 | * This realtes to QScrollView::contentsX() and QScrollView::contentsY() | ||
124 | * | ||
125 | * @param x The top left x coordinate | ||
126 | * @param y The top left y coorisnate | ||
127 | */ | ||
60 | inline void OImageZoomer::setVisiblePoint( int x, int y ) { | 128 | inline void OImageZoomer::setVisiblePoint( int x, int y ) { |