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-rw-r--r--CHANGES1
-rw-r--r--src/fl_overlay.cxx58
2 files changed, 53 insertions, 6 deletions
diff --git a/CHANGES b/CHANGES
index 684671660..3800670c9 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,6 @@
CHANGES IN FLTK 1.1.8
+ - overlay drawing is now avoiding XOR mode (STR #1438)
- Fixed Scroll crash in Fluid Live Mode (STR #1524)
- Fixed mousewheel event propagation (STR #1521)
- Fixed drawing issues of a tile in a scroll (STR #1507)
diff --git a/src/fl_overlay.cxx b/src/fl_overlay.cxx
index cd060343a..d24af5611 100644
--- a/src/fl_overlay.cxx
+++ b/src/fl_overlay.cxx
@@ -36,31 +36,77 @@
#include <config.h>
#endif
+//#define USE_XOR
+
static int px,py,pw,ph;
+#ifndef USE_XOR
+#include <stdlib.h>
+static uchar *bgN = 0L, *bgS = 0L, *bgE = 0L, *bgW = 0L;
+static int bgx, bgy, bgw, bgh;
+#endif
+
static void draw_current_rect() {
-#ifdef WIN32
+#ifdef USE_XOR
+# ifdef WIN32
int old = SetROP2(fl_gc, R2_NOT);
fl_rect(px, py, pw, ph);
SetROP2(fl_gc, old);
-#elif defined(__APPLE_QD__)
+# elif defined(__APPLE_QD__)
PenMode( patXor );
fl_rect(px, py, pw, ph);
PenMode( patCopy );
-#elif defined(__APPLE_QUARTZ__)
+# elif defined(__APPLE_QUARTZ__)
// warning: Quartz does not support xor drawing
// Use the Fl_Overlay_Window instead.
+ fl_color(FL_WHITE);
fl_rect(px, py, pw, ph);
-#else
+# else
XSetFunction(fl_display, fl_gc, GXxor);
XSetForeground(fl_display, fl_gc, 0xffffffff);
XDrawRectangle(fl_display, fl_window, fl_gc, px, py, pw, ph);
XSetFunction(fl_display, fl_gc, GXcopy);
+# endif
+#else
+ if (bgN) { free(bgN); bgN = 0L; }
+ if (bgS) { free(bgS); bgS = 0L; }
+ if (bgE) { free(bgE); bgE = 0L; }
+ if (bgW) { free(bgW); bgW = 0L; }
+ if (pw>0 && ph>0) {
+ bgN = fl_read_image(0L, px, py, pw, 1);
+ bgS = fl_read_image(0L, px, py+ph-1, pw, 1);
+ bgE = fl_read_image(0L, px, py, 1, ph);
+ bgW = fl_read_image(0L, px+pw-1, py, 1, ph);
+ bgx = px; bgy = py;
+ bgw = pw; bgh = ph;
+ }
+ fl_color(FL_BLACK);
+ fl_line_style(FL_SOLID);
+ fl_rect(px, py, pw, ph);
+ fl_color(FL_WHITE);
+ fl_line_style(FL_DOT);
+ fl_rect(px, py, pw, ph);
+ fl_line_style(FL_SOLID);
+#endif
+}
+
+static void erase_current_rect() {
+#ifdef USE_XOR
+# ifdef __APPLE_QUARTZ__
+ fl_rect(px, py, pw, ph);
+# else
+ draw_current_rect();
+# endif
+#else
+ if (bgN) fl_draw_image(bgN, px, py, pw, 1);
+ if (bgS) fl_draw_image(bgS, px, py+ph-1, pw, 1);
+ if (bgE) fl_draw_image(bgE, px, py, 1, ph);
+ if (bgW) fl_draw_image(bgW, px+pw-1, py, 1, ph);
#endif
}
void fl_overlay_clear() {
- if (pw > 0) {draw_current_rect(); pw = 0;}
+ if (pw > 0) {erase_current_rect(); pw = 0;}
}
void fl_overlay_rect(int x, int y, int w, int h) {
@@ -68,7 +114,7 @@ void fl_overlay_rect(int x, int y, int w, int h) {
if (h < 0) {y += h; h = -h;} else if (!h) h = 1;
if (pw > 0) {
if (x==px && y==py && w==pw && h==ph) return;
- draw_current_rect();
+ erase_current_rect();
}
px = x; py = y; pw = w; ph = h;
draw_current_rect();