cdf85352c4
There is a deeper issue here: regions should be handled by the graphics driver that is associated with the Fl_Window of this widget... . git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11643 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
137 lines
3.1 KiB
C++
137 lines
3.1 KiB
C++
//
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// "$Id$"
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//
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// implementation of Fl_Graphics_Driver class for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 2010-2012 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems to:
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//
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// http://www.fltk.org/str.php
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//
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#include <FL/Fl.H>
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#include "config_lib.h"
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#include <FL/Fl_Graphics_Driver.H>
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#include <FL/Fl_Image.H>
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#include <FL/fl_draw.H>
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FL_EXPORT Fl_Graphics_Driver *fl_graphics_driver; // the current target device of graphics operations
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const Fl_Graphics_Driver::matrix Fl_Graphics_Driver::m0 = {1, 0, 0, 1, 0, 0};
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Fl_Graphics_Driver::Fl_Graphics_Driver() {
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font_ = 0;
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size_ = 0;
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sptr=0; rstackptr=0;
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rstack[0] = NULL;
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fl_clip_state_number=0;
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m = m0;
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fl_matrix = &m;
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font_descriptor_ = NULL;
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};
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Fl_Graphics_Driver &Fl_Graphics_Driver::default_driver()
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{
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static Fl_Graphics_Driver *pMainDriver = 0L;
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if (!pMainDriver) {
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pMainDriver = Fl_Display_Device::display_device()->driver();
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}
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return *pMainDriver;
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}
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void Fl_Graphics_Driver::text_extents(const char*t, int n, int& dx, int& dy, int& w, int& h)
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{
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w = (int)width(t, n);
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h = - height();
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dx = 0;
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dy = descent();
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}
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void Fl_Graphics_Driver::focus_rect(int x, int y, int w, int h)
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{
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line_style(FL_DOT);
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rect(x, y, w, h);
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line_style(FL_SOLID);
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}
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/** Draws an Fl_Image scaled to width \p W & height \p H with top-left corner at \em X,Y
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\return zero when the graphics driver doesn't implement scaled drawing, non-zero if it does implement it.
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*/
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int Fl_Graphics_Driver::draw_scaled(Fl_Image *img, int X, int Y, int W, int H) {
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return 0;
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}
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/** see fl_copy_offscreen() */
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void Fl_Graphics_Driver::copy_offscreen(int x, int y, int w, int h, Fl_Offscreen pixmap, int srcx, int srcy)
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{
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fl_begin_offscreen(pixmap);
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uchar *img = fl_read_image(NULL, srcx, srcy, w, h, 0);
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fl_end_offscreen();
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fl_draw_image(img, x, y, w, h, 3, 0);
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delete[] img;
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}
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void Fl_Graphics_Driver::set_spot(int font, int size, int X, int Y, int W, int H, Fl_Window *win)
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{
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// nothing to do, reimplement in driver if needed
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}
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void Fl_Graphics_Driver::reset_spot()
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{
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// nothing to do, reimplement in driver if needed
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}
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void Fl_Graphics_Driver::global_gc()
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{
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// nothing to do, reimplement in driver if needed
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}
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void Fl_Graphics_Driver::set_color(Fl_Color i, unsigned int c)
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{
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// nothing to do, reimplement in driver if needed
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}
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void Fl_Graphics_Driver::free_color(Fl_Color i, int overlay)
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{
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// nothing to do, reimplement in driver if needed
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}
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void Fl_Graphics_Driver::add_rectangle_to_region(Fl_Region r, int x, int y, int w, int h)
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{
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// nothing to do, reimplement in driver if needed
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}
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Fl_Region Fl_Graphics_Driver::XRectangleRegion(int x, int y, int w, int h)
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{
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// nothing to do, reimplement in driver if needed
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return 0;
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}
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void Fl_Graphics_Driver::XDestroyRegion(Fl_Region r)
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{
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// nothing to do, reimplement in driver if needed
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}
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//
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// End of "$Id$".
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//
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