Moved Quartz graphics driver to the new naming scheme

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11057 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 289 insertions, 0 deletions

diff --git a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_rect.cxx b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_rect.cxx
new file mode 100644
index 000000000..63dcd07a8
--- /dev/null
+++ b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_rect.cxx
@@ -0,0 +1,289 @@
+//
+// "$Id$"
+//
+// Rectangle drawing routines 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
+//
+
+
+#ifndef FL_CFG_GFX_QUARTZ_RECT_CXX
+#define FL_CFG_GFX_QUARTZ_RECT_CXX
+
+
+/**
+  \file quartz_rect.cxx
+  \brief Apple Quartz specific line and polygon drawing with integer coordinates.
+*/
+
+
+#include "Fl_Quartz_Graphics_Driver.h"
+
+
+extern float fl_quartz_line_width_;
+
+// FIXME: the use of the macro below can be avoided by adding a specific class
+//        for drawing to the prinitng context
+#define USINGQUARTZPRINTER  (Fl_Surface_Device::surface()->class_name() == Fl_Printer::class_id)
+
+
+// --- line and polygon drawing with integer coordinates
+
+void Fl_Quartz_Graphics_Driver::point(int x, int y) {
+  CGContextFillRect(fl_gc, CGRectMake(x - 0.5, y - 0.5, 1, 1) );
+}
+
+void Fl_Quartz_Graphics_Driver::rect(int x, int y, int w, int h) {
+  if (w<=0 || h<=0) return;
+  // FIXME: there should be a quartz graphics driver for the printer device that makes the USINGQUARTZPRINTER obsolete
+  if ( (!USINGQUARTZPRINTER) && fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, true);
+  CGRect rect = CGRectMake(x, y, w-1, h-1);
+  CGContextStrokeRect(fl_gc, rect);
+  if ( (!USINGQUARTZPRINTER) && fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, false);
+}
+
+void Fl_Quartz_Graphics_Driver::rectf(int x, int y, int w, int h) {
+  if (w<=0 || h<=0) return;
+  CGRect rect = CGRectMake(x - 0.5, y - 0.5, w , h);
+  CGContextFillRect(fl_gc, rect);
+}
+
+void Fl_Quartz_Graphics_Driver::line(int x, int y, int x1, int y1) {
+  if (fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, true);
+  CGContextMoveToPoint(fl_gc, x, y);
+  CGContextAddLineToPoint(fl_gc, x1, y1);
+  CGContextStrokePath(fl_gc);
+  if (fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, false);
+}
+
+void Fl_Quartz_Graphics_Driver::line(int x, int y, int x1, int y1, int x2, int y2) {
+  if (fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, true);
+  CGContextMoveToPoint(fl_gc, x, y);
+  CGContextAddLineToPoint(fl_gc, x1, y1);
+  CGContextAddLineToPoint(fl_gc, x2, y2);
+  CGContextStrokePath(fl_gc);
+  if (fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, false);
+}
+
+void Fl_Quartz_Graphics_Driver::xyline(int x, int y, int x1) {
+  if (USINGQUARTZPRINTER || fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, true);
+  CGContextMoveToPoint(fl_gc, x, y);
+  CGContextAddLineToPoint(fl_gc, x1, y);
+  CGContextStrokePath(fl_gc);
+  if (Fl_Display_Device::high_resolution()) {
+    /* On retina displays, all xyline() and yxline() functions produce lines that are half-unit
+     (or one pixel) too short at both ends. This is corrected by filling at both ends rectangles
+     of size one unit by line-width.
+     */
+    CGContextFillRect(fl_gc, CGRectMake(x-0.5 , y  - fl_quartz_line_width_/2, 1 , fl_quartz_line_width_));
+    CGContextFillRect(fl_gc, CGRectMake(x1-0.5 , y  - fl_quartz_line_width_/2, 1 , fl_quartz_line_width_));
+  }
+  if (USINGQUARTZPRINTER || fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, false);
+}
+
+void Fl_Quartz_Graphics_Driver::xyline(int x, int y, int x1, int y2) {
+  if (USINGQUARTZPRINTER || fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, true);
+  CGContextMoveToPoint(fl_gc, x, y);
+  CGContextAddLineToPoint(fl_gc, x1, y);
+  CGContextAddLineToPoint(fl_gc, x1, y2);
+  CGContextStrokePath(fl_gc);
+  if (Fl_Display_Device::high_resolution()) {
+    CGContextFillRect(fl_gc, CGRectMake(x-0.5, y  - fl_quartz_line_width_/2, 1 , fl_quartz_line_width_));
+    CGContextFillRect(fl_gc, CGRectMake(x1  -  fl_quartz_line_width_/2, y2-0.5, fl_quartz_line_width_, 1));
+  }
+  if (USINGQUARTZPRINTER || fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, false);
+}
+
+void Fl_Quartz_Graphics_Driver::xyline(int x, int y, int x1, int y2, int x3) {
+  if (USINGQUARTZPRINTER || fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, true);
+  CGContextMoveToPoint(fl_gc, x, y);
+  CGContextAddLineToPoint(fl_gc, x1, y);
+  CGContextAddLineToPoint(fl_gc, x1, y2);
+  CGContextAddLineToPoint(fl_gc, x3, y2);
+  CGContextStrokePath(fl_gc);
+  if (Fl_Display_Device::high_resolution()) {
+    CGContextFillRect(fl_gc, CGRectMake(x-0.5, y  - fl_quartz_line_width_/2, 1 , fl_quartz_line_width_));
+    CGContextFillRect(fl_gc, CGRectMake(x3-0.5, y2  - fl_quartz_line_width_/2, 1 , fl_quartz_line_width_));
+  }
+  if (USINGQUARTZPRINTER || fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, false);
+}
+
+void Fl_Quartz_Graphics_Driver::yxline(int x, int y, int y1) {
+  if (USINGQUARTZPRINTER || fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, true);
+  CGContextMoveToPoint(fl_gc, x, y);
+  CGContextAddLineToPoint(fl_gc, x, y1);
+  CGContextStrokePath(fl_gc);
+  if (Fl_Display_Device::high_resolution()) {
+    CGContextFillRect(fl_gc, CGRectMake(x  -  fl_quartz_line_width_/2, y-0.5, fl_quartz_line_width_, 1));
+    CGContextFillRect(fl_gc, CGRectMake(x  -  fl_quartz_line_width_/2, y1-0.5, fl_quartz_line_width_, 1));
+  }
+  if (USINGQUARTZPRINTER || fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, false);
+}
+
+void Fl_Quartz_Graphics_Driver::yxline(int x, int y, int y1, int x2) {
+  if (USINGQUARTZPRINTER || fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, true);
+  CGContextMoveToPoint(fl_gc, x, y);
+  CGContextAddLineToPoint(fl_gc, x, y1);
+  CGContextAddLineToPoint(fl_gc, x2, y1);
+  CGContextStrokePath(fl_gc);
+  if (Fl_Display_Device::high_resolution()) {
+    CGContextFillRect(fl_gc, CGRectMake(x  -  fl_quartz_line_width_/2, y-0.5, fl_quartz_line_width_, 1));
+    CGContextFillRect(fl_gc, CGRectMake(x2-0.5, y1  - fl_quartz_line_width_/2, 1 , fl_quartz_line_width_));
+  }
+  if (USINGQUARTZPRINTER || fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, false);
+}
+
+void Fl_Quartz_Graphics_Driver::yxline(int x, int y, int y1, int x2, int y3) {
+  if (USINGQUARTZPRINTER || fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, true);
+  CGContextMoveToPoint(fl_gc, x, y);
+  CGContextAddLineToPoint(fl_gc, x, y1);
+  CGContextAddLineToPoint(fl_gc, x2, y1);
+  CGContextAddLineToPoint(fl_gc, x2, y3);
+  CGContextStrokePath(fl_gc);
+  if (Fl_Display_Device::high_resolution()) {
+    CGContextFillRect(fl_gc, CGRectMake(x  -  fl_quartz_line_width_/2, y-0.5, fl_quartz_line_width_, 1));
+    CGContextFillRect(fl_gc, CGRectMake(x2  -  fl_quartz_line_width_/2, y3-0.5, fl_quartz_line_width_, 1));
+  }
+  if (USINGQUARTZPRINTER || fl_quartz_line_width_ > 1.5f) CGContextSetShouldAntialias(fl_gc, false);
+}
+
+void Fl_Quartz_Graphics_Driver::loop(int x, int y, int x1, int y1, int x2, int y2) {
+  CGContextSetShouldAntialias(fl_gc, true);
+  CGContextMoveToPoint(fl_gc, x, y);
+  CGContextAddLineToPoint(fl_gc, x1, y1);
+  CGContextAddLineToPoint(fl_gc, x2, y2);
+  CGContextClosePath(fl_gc);
+  CGContextStrokePath(fl_gc);
+  CGContextSetShouldAntialias(fl_gc, false);
+}
+
+void Fl_Quartz_Graphics_Driver::loop(int x, int y, int x1, int y1, int x2, int y2, int x3, int y3) {
+  CGContextSetShouldAntialias(fl_gc, true);
+  CGContextMoveToPoint(fl_gc, x, y);
+  CGContextAddLineToPoint(fl_gc, x1, y1);
+  CGContextAddLineToPoint(fl_gc, x2, y2);
+  CGContextAddLineToPoint(fl_gc, x3, y3);
+  CGContextClosePath(fl_gc);
+  CGContextStrokePath(fl_gc);
+  CGContextSetShouldAntialias(fl_gc, false);
+}
+
+void Fl_Quartz_Graphics_Driver::polygon(int x, int y, int x1, int y1, int x2, int y2) {
+  CGContextSetShouldAntialias(fl_gc, true);
+  CGContextMoveToPoint(fl_gc, x, y);
+  CGContextAddLineToPoint(fl_gc, x1, y1);
+  CGContextAddLineToPoint(fl_gc, x2, y2);
+  CGContextClosePath(fl_gc);
+  CGContextFillPath(fl_gc);
+  CGContextSetShouldAntialias(fl_gc, false);
+}
+
+void Fl_Quartz_Graphics_Driver::polygon(int x, int y, int x1, int y1, int x2, int y2, int x3, int y3) {
+  CGContextSetShouldAntialias(fl_gc, true);
+  CGContextMoveToPoint(fl_gc, x, y);
+  CGContextAddLineToPoint(fl_gc, x1, y1);
+  CGContextAddLineToPoint(fl_gc, x2, y2);
+  CGContextAddLineToPoint(fl_gc, x3, y3);
+  CGContextClosePath(fl_gc);
+  CGContextFillPath(fl_gc);
+  CGContextSetShouldAntialias(fl_gc, false);
+}
+
+// --- clipping
+
+void Fl_Quartz_Graphics_Driver::push_clip(int x, int y, int w, int h) {
+  Fl_Region r;
+  if (w > 0 && h > 0) {
+    r = XRectangleRegion(x,y,w,h);
+    Fl_Region current = rstack[rstackptr];
+    if (current) {
+      XDestroyRegion(r);
+      r = Fl_X::intersect_region_and_rect(current, x,y,w,h);
+    }
+  } else { // make empty clip region:
+    r = XRectangleRegion(0,0,0,0);
+  }
+  if (rstackptr < region_stack_max) rstack[++rstackptr] = r;
+  else Fl::warning("Fl_Quartz_Graphics_Driver::push_clip: clip stack overflow!\n");
+  fl_restore_clip();
+}
+
+int Fl_Quartz_Graphics_Driver::clip_box(int x, int y, int w, int h, int& X, int& Y, int& W, int& H){
+  X = x; Y = y; W = w; H = h;
+  Fl_Region r = rstack[rstackptr];
+  if (!r) return 0;
+  CGRect arg = fl_cgrectmake_cocoa(x, y, w, h);
+  CGRect u = CGRectMake(0,0,0,0);
+  CGRect test;
+  for (int i = 0; i < r->count; i++) {
+    test = CGRectIntersection(r->rects[i], arg);
+    if ( !CGRectIsEmpty(test) ) {
+      if(CGRectIsEmpty(u)) u = test;
+      else u = CGRectUnion(u, test);
+    }
+  }
+  X = int(u.origin.x + 0.5); // reverse offset introduced by fl_cgrectmake_cocoa()
+  Y = int(u.origin.y + 0.5);
+  W = int(u.size.width + 0.5); // round to nearest integer
+  H = int(u.size.height + 0.5);
+  if (CGRectIsEmpty(u)) W = H = 0;
+  return !CGRectEqualToRect(arg, u);
+}
+
+int Fl_Quartz_Graphics_Driver::not_clipped(int x, int y, int w, int h) {
+  if (x+w <= 0 || y+h <= 0) return 0;
+  Fl_Region r = rstack[rstackptr];
+  if (!r) return 1;
+  CGRect arg = fl_cgrectmake_cocoa(x, y, w, h);
+  for (int i = 0; i < r->count; i++) {
+    CGRect test = CGRectIntersection(r->rects[i], arg);
+    if (!CGRectIsEmpty(test)) return 1;
+  }
+  return 0;
+}
+
+// make there be no clip (used by fl_begin_offscreen() only!)
+void Fl_Quartz_Graphics_Driver::push_no_clip() {
+  if (rstackptr < region_stack_max) rstack[++rstackptr] = 0;
+  else Fl::warning("Fl_Quartz_Graphics_Driver::push_no_clip: clip stack overflow!\n");
+  fl_restore_clip();
+}
+
+// pop back to previous clip:
+void Fl_Quartz_Graphics_Driver::pop_clip() {
+  if (rstackptr > 0) {
+    Fl_Region oldr = rstack[rstackptr--];
+    if (oldr) XDestroyRegion(oldr);
+  } else Fl::warning("Fl_Quartz_Graphics_Driver::pop_clip: clip stack underflow!\n");
+  fl_restore_clip();
+}
+
+void Fl_Quartz_Graphics_Driver::restore_clip() {
+  fl_clip_state_number++;
+  Fl_Region r = rstack[rstackptr];
+  if ( fl_window || fl_gc ) { // clipping for a true window or an offscreen buffer
+    Fl_X::q_clear_clipping();
+    Fl_X::q_fill_context();//flip coords if bitmap context
+                           //apply program clip
+    if (r) {
+      CGContextClipToRects(fl_gc, r->rects, r->count);
+    }
+  }
+}
+
+
+#endif // FL_CFG_GFX_QUARTZ_RECT_CXX
+
+//
+// End of "$Id$".
+//