diff options
| author | Yuval Adam <yuv.adm@gmail.com> | 2014-08-08 14:42:07 +0300 |
|---|---|---|
| committer | Yuval Adam <yuv.adm@gmail.com> | 2014-08-08 14:42:07 +0300 |
| commit | a6163888f3c56123b1db313743c6147ba498732c (patch) | |
| tree | ff7d15d991d1d09ba6cbc0cec80924f57445bfdd /third_party/windows/fltk-1.1.10/src/fl_read_image_mac.cxx | |
| parent | c3e4c9a25c2910d2d66d52215b3406b13d5b23d5 (diff) | |
Add third_party libs
Diffstat (limited to 'third_party/windows/fltk-1.1.10/src/fl_read_image_mac.cxx')
| -rw-r--r-- | third_party/windows/fltk-1.1.10/src/fl_read_image_mac.cxx | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/third_party/windows/fltk-1.1.10/src/fl_read_image_mac.cxx b/third_party/windows/fltk-1.1.10/src/fl_read_image_mac.cxx new file mode 100644 index 0000000..80f467a --- /dev/null +++ b/third_party/windows/fltk-1.1.10/src/fl_read_image_mac.cxx @@ -0,0 +1,137 @@ +//
+// "$Id: fl_read_image_mac.cxx 5614 2007-01-18 15:25:09Z matt $"
+//
+// WIN32 image reading routines for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 1998-2006 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
+//
+
+#include <config.h>
+
+// warning: this function is only implemented in Quickdraw. The function
+// below may not work If FLTK is compiled with Quartz enabled
+
+//
+// '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)
+ Rect src, // Source rectangle
+ dst; // Destination rectangle
+ GWorldPtr osbuffer; // Temporary off-screen buffer for copy
+ GrafPtr srcPort; // Source port
+ RGBColor rgb; // RGB colors for copy mask...
+ PixMapHandle pm; // Pixmap handle for off-screen buffer
+ uchar *base, // Base address of off-screen buffer
+ *psrc, // Pointer into off-screen buffer
+ *pdst; // Pointer into pixel buffer
+ int idx, idy; // Current X & Y in image
+ int d; // Depth of image
+ int rowBytes; // Number of bytes per row...
+
+ // Set the source and destination rectangles...
+ src.top = y;
+ src.left = x;
+ src.bottom = y + h;
+ src.right = x + w;
+
+ dst.top = 0;
+ dst.left = 0;
+ dst.bottom = h;
+ dst.right = w;
+
+ // Get an off-screen buffer for copying the image...
+ QDErr err = NewGWorld(&osbuffer, 0, &dst, 0L, 0L, 0);
+ if (!osbuffer) return 0;
+ if (err!=noErr) {
+ DisposeGWorld(osbuffer);
+ return 0;
+ }
+
+ // Get the source port...
+ GetPort(&srcPort);
+
+ // Set the RGB copy mask via the foreground/background colors...
+ rgb.red = 0xffff;
+ rgb.green = 0xffff;
+ rgb.blue = 0xffff;
+ RGBBackColor(&rgb);
+
+ rgb.red = 0x0000;
+ rgb.green = 0x0000;
+ rgb.blue = 0x0000;
+ RGBForeColor(&rgb);
+
+ // Copy the screen image to the off-screen buffer...
+ CopyBits(GetPortBitMapForCopyBits(srcPort),
+ GetPortBitMapForCopyBits(osbuffer), &src, &dst, srcCopy, 0L);
+
+ // 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);
+
+ // Set the correct port for the off-screen buffer and lock the buffer
+ SetGWorld(osbuffer, 0);
+
+ pm = GetGWorldPixMap(osbuffer);
+ LockPixels(pm);
+
+ base = (uchar *)GetPixBaseAddr(pm);
+ rowBytes = (*pm)->rowBytes & 0x3fff;
+
+ // Copy the image from the off-screen buffer to the memory buffer.
+ for (idy = 0, pdst = p; idy < h; idy ++)
+#ifdef __i386__
+ for (idx = 0, psrc = base + idy * rowBytes; idx < w; idx ++, psrc += 4, pdst += d) {
+ pdst[0] = psrc[2];
+ pdst[1] = psrc[1];
+ pdst[2] = psrc[0];
+ }
+#else
+ for (idx = 0, psrc = base + idy * rowBytes + 1; idx < w; idx ++, psrc += 4, pdst += d) {
+ pdst[0] = psrc[0];
+ pdst[1] = psrc[1];
+ pdst[2] = psrc[2];
+ }
+#endif // __i386__
+ // Unlock and delete the off-screen buffer, then return...
+ UnlockPixels(pm);
+ DisposeGWorld(osbuffer);
+
+ SetPort(srcPort);
+ return p;
+}
+
+
+//
+// End of "$Id: fl_read_image_mac.cxx 5614 2007-01-18 15:25:09Z matt $".
+//
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