Painter.h
1/* Copyright (C) 2015 Marc Boris Duerner
2
3 This library is free software; you can redistribute it and/or
4 modify it under the terms of the GNU Lesser General Public
5 License as published by the Free Software Foundation; either
6 version 2.1 of the License, or (at your option) any later version.
7
8 As a special exception, you may use this file as part of a free
9 software library without restriction. Specifically, if other files
10 instantiate templates or use macros or inline functions from this
11 file, or you compile this file and link it with other files to
12 produce an executable, this file does not by itself cause the
13 resulting executable to be covered by the GNU General Public
14 License. This exception does not however invalidate any other
15 reasons why the executable file might be covered by the GNU Library
16 General Public License.
17
18 This library is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 Lesser General Public License for more details.
22
23 You should have received a copy of the GNU Lesser General Public
24 License along with this library; if not, write to the Free Software
25 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
26 MA 02110-1301 USA
27*/
28
29#ifndef Pt_Forms_Painter_h
30#define Pt_Forms_Painter_h
31
32#include <Pt/Forms/Api.h>
33#include <Pt/Forms/PaintSurface.h>
34#include <Pt/Gfx/PainterBase.h>
35
36namespace Pt {
37
38namespace Forms {
39
40class PaintContext;
41class Pixmap;
42
52class PT_FORMS_API Painter : public Gfx::PainterBase
53{
54 public:
58
61 explicit Painter(PaintSurface& surface);
62
65 explicit Painter(PaintContext& context);
66
69 virtual ~Painter();
70
73 void begin(PaintSurface& surface);
74
77 void begin(PaintContext& context);
78
81 void drawPixmap(const Gfx::PointF& to, const Pixmap& pixmap);
82
85 void drawPixmap(const Gfx::PointF& to, const Pixmap& pixmap,
86 const Gfx::RectF& rect);
87
88 protected:
91 virtual void onDetachSurface(Gfx::PaintSurface& surface);
92
93 private:
94 PaintSurface* _formsSurface;
95};
96
97} // namespace
98
99} // namespace
100
101#endif
Active painting session on a Forms paint surface.
Definition PaintContext.h:51
Painter()
Creates an inactive painter.
Painter(PaintSurface &surface)
Constructs and begins painting on surface.
void begin(PaintSurface &surface)
Begins painting on surface.
virtual ~Painter()
Destructor.
void drawPixmap(const Gfx::PointF &to, const Pixmap &pixmap)
Draws pixmap at to.
Painter(PaintContext &context)
Constructs and begins painting on context.
void drawPixmap(const Gfx::PointF &to, const Pixmap &pixmap, const Gfx::RectF &rect)
Draws the rect region of pixmap at to.
virtual void onDetachSurface(Gfx::PaintSurface &surface)
Clears the Forms surface binding when the Gfx surface detaches.
void begin(PaintContext &context)
Begins painting on context.
Off-screen Forms paint surface.
Definition Pixmap.h:130
Target for drawing operations.
Definition PaintSurface.h:66
Drawing commands and paint state.
Definition PainterBase.h:85
Graphical user interfaces.
Definition ActivateEvent.h:40
Core module.
Definition Allocator.h:33