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authorYuval Adam <yuv.adm@gmail.com>2014-08-08 14:42:07 +0300
committerYuval Adam <yuv.adm@gmail.com>2014-08-08 14:42:07 +0300
commita6163888f3c56123b1db313743c6147ba498732c (patch)
treeff7d15d991d1d09ba6cbc0cec80924f57445bfdd /third_party/windows/fltk-1.1.10/src/fl_read_image_win32.cxx
parentc3e4c9a25c2910d2d66d52215b3406b13d5b23d5 (diff)
Add third_party libs
Diffstat (limited to 'third_party/windows/fltk-1.1.10/src/fl_read_image_win32.cxx')
-rw-r--r--third_party/windows/fltk-1.1.10/src/fl_read_image_win32.cxx72
1 files changed, 72 insertions, 0 deletions
diff --git a/third_party/windows/fltk-1.1.10/src/fl_read_image_win32.cxx b/third_party/windows/fltk-1.1.10/src/fl_read_image_win32.cxx
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index 0000000..cf4731c
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+++ b/third_party/windows/fltk-1.1.10/src/fl_read_image_win32.cxx
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+//
+// "$Id: fl_read_image_win32.cxx 5190 2006-06-09 16:16:34Z mike $"
+//
+// WIN32 image reading routines for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 1998-2005 by Bill Spitzak and others.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+// Please report all bugs and problems on the following page:
+//
+// http://www.fltk.org/str.php
+//
+
+//
+// 'fl_read_image()' - Read an image from the current window.
+//
+
+uchar * // O - Pixel buffer or NULL if failed
+fl_read_image(uchar *p, // I - Pixel buffer or NULL to allocate
+ int X, // I - Left position
+ int Y, // I - Top position
+ int w, // I - Width of area to read
+ int h, // I - Height of area to read
+ int alpha) { // I - Alpha value for image (0 for none)
+ int x, y; // Looping vars
+ int d; // Depth of image
+ uchar *ptr; // Pointer in image data
+
+
+ // Allocate the image data array as needed...
+ d = alpha ? 4 : 3;
+
+ if (!p) p = new uchar[w * h * d];
+
+ // Initialize the default colors/alpha in the whole image...
+ memset(p, alpha, w * h * d);
+
+ // Grab all of the pixels in the image, one at a time...
+ // MRS: there has to be a better way than this!
+ for (y = 0, ptr = p; y < h; y ++) {
+ for (x = 0; x < w; x ++, ptr += d) {
+ COLORREF c = GetPixel(fl_gc, X + x, Y + y);
+
+ ptr[0] = (uchar)c;
+ c >>= 8;
+ ptr[1] = (uchar)c;
+ c >>= 8;
+ ptr[2] = (uchar)c;
+ }
+ }
+
+ return p;
+}
+
+
+//
+// End of "$Id: fl_read_image_win32.cxx 5190 2006-06-09 16:16:34Z mike $".
+//