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authorManolo Gouy <Manolo>2016-03-19 18:51:15 +0000
committerManolo Gouy <Manolo>2016-03-19 18:51:15 +0000
commit06e7d0092d9157515cc00eae4c2fabdde4e7eeae (patch)
treed1793b619d71633bb25fb4e73456af3962ccffd0 /src/drivers/GDI/Fl_GDI_Image_Surface_Driver.cxx
parentf55363776f2396c4e1c742e56e0de972a4091b1c (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.cxx113
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 $".
+//