diff options
| author | Manolo Gouy <Manolo> | 2016-03-19 18:51:15 +0000 |
|---|---|---|
| committer | Manolo Gouy <Manolo> | 2016-03-19 18:51:15 +0000 |
| commit | 06e7d0092d9157515cc00eae4c2fabdde4e7eeae (patch) | |
| tree | d1793b619d71633bb25fb4e73456af3962ccffd0 /src/drivers/GDI/Fl_GDI_Image_Surface_Driver.cxx | |
| parent | f55363776f2396c4e1c742e56e0de972a4091b1c (diff) | |
Rename Fl_XXX_Image_Surface.cxx to Fl_XXX_Image_Surface_Driver.cxx
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11378 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Diffstat (limited to 'src/drivers/GDI/Fl_GDI_Image_Surface_Driver.cxx')
| -rw-r--r-- | src/drivers/GDI/Fl_GDI_Image_Surface_Driver.cxx | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/drivers/GDI/Fl_GDI_Image_Surface_Driver.cxx b/src/drivers/GDI/Fl_GDI_Image_Surface_Driver.cxx new file mode 100644 index 000000000..9039c4f5a --- /dev/null +++ b/src/drivers/GDI/Fl_GDI_Image_Surface_Driver.cxx @@ -0,0 +1,113 @@ +// +// "$Id: Fl_GDI_Image_Surface.cxx 11278 2016-03-03 19:16:22Z manolo $" +// +// Draw-to-image code for the Fast Light Tool Kit (FLTK). +// +// Copyright 1998-2016 by Bill Spitzak and others. +// +// This library is free software. Distribution and use rights are outlined in +// the file "COPYING" which should have been included with this file. If this +// file is missing or damaged, see the license at: +// +// http://www.fltk.org/COPYING.php +// +// Please report all bugs and problems on the following page: +// +// http://www.fltk.org/str.php +// + + +#include "../../config_lib.h" + +#ifdef FL_CFG_GFX_GDI +#include "Fl_GDI_Graphics_Driver.H" +#include <FL/Fl_Image_Surface.H> +#include <FL/fl_draw.H> +#include <windows.h> + +class Fl_GDI_Image_Surface_Driver : public Fl_Image_Surface_Driver { + friend class Fl_Image_Surface; +public: + Fl_Surface_Device *previous; + Window pre_window; + HDC _sgc; + int _savedc; + Fl_GDI_Image_Surface_Driver(int w, int h, int high_res); + ~Fl_GDI_Image_Surface_Driver(); + void set_current(); + void translate(int x, int y); + void untranslate(); + Fl_RGB_Image *image(); + void end_current(); +}; + + +Fl_Image_Surface_Driver *Fl_Image_Surface_Driver::newImageSurfaceDriver(int w, int h, int high_res, Fl_Offscreen off) +{ + return new Fl_GDI_Image_Surface_Driver(w, h, high_res); +} + + +Fl_GDI_Image_Surface_Driver::Fl_GDI_Image_Surface_Driver(int w, int h, int high_res) : Fl_Image_Surface_Driver(w, h, high_res, 0) { + previous = 0; + offscreen = CreateCompatibleBitmap( (fl_graphics_driver->gc() ? (HDC)fl_graphics_driver->gc() : fl_GetDC(0) ) , w, h); + driver(new Fl_Translated_GDI_Graphics_Driver); + _sgc = NULL; +} + + +Fl_GDI_Image_Surface_Driver::~Fl_GDI_Image_Surface_Driver() { + if (offscreen) DeleteObject(offscreen); +} + + +void Fl_GDI_Image_Surface_Driver::set_current() { + pre_window = fl_window; + if (!previous) previous = Fl_Surface_Device::surface(); + if (!_sgc) _sgc = (HDC)previous->driver()->gc(); + HDC gc = fl_makeDC(offscreen); + Fl_Surface_Device::set_current(); + driver()->gc(gc); + _savedc = SaveDC(gc); + fl_window=(HWND)offscreen; + fl_push_no_clip(); +} + + +void Fl_GDI_Image_Surface_Driver::translate(int x, int y) { + ((Fl_Translated_GDI_Graphics_Driver*)driver())->translate_all(x, y); +} + + +void Fl_GDI_Image_Surface_Driver::untranslate() { + ((Fl_Translated_GDI_Graphics_Driver*)driver())->untranslate_all(); +} + + +Fl_RGB_Image* Fl_GDI_Image_Surface_Driver::image() +{ + unsigned char *data; + data = fl_read_image(NULL, 0, 0, width, height, 0); + end_current(); + previous->driver()->gc(_sgc); + Fl_RGB_Image *image = new Fl_RGB_Image(data, width, height); + image->alloc_array = 1; + return image; +} + + +void Fl_GDI_Image_Surface_Driver::end_current() +{ + HDC gc = (HDC)driver()->gc(); + RestoreDC(gc, _savedc); + DeleteDC(gc); + fl_pop_clip(); + previous->Fl_Surface_Device::set_current(); + fl_window = pre_window; +} + +#endif // FL_CFG_GFX_GDI + +// +// End of "$Id: Fl_GDI_Image_Surface.cxx 11220 2016-02-26 12:51:47Z manolo $". +// |
