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Diffstat (limited to 'libraries/ecore/src/lib/ecore_x/xlib/ecore_x_cursor.c')
-rw-r--r--libraries/ecore/src/lib/ecore_x/xlib/ecore_x_cursor.c246
1 files changed, 246 insertions, 0 deletions
diff --git a/libraries/ecore/src/lib/ecore_x/xlib/ecore_x_cursor.c b/libraries/ecore/src/lib/ecore_x/xlib/ecore_x_cursor.c
new file mode 100644
index 0000000..434505c
--- /dev/null
+++ b/libraries/ecore/src/lib/ecore_x/xlib/ecore_x_cursor.c
@@ -0,0 +1,246 @@
1#ifdef HAVE_CONFIG_H
2# include <config.h>
3#endif /* ifdef HAVE_CONFIG_H */
4
5#include <stdlib.h>
6
7#include "ecore_x_private.h"
8
9EAPI Eina_Bool
10ecore_x_cursor_color_supported_get(void)
11{
12 return _ecore_x_xcursor;
13} /* ecore_x_cursor_color_supported_get */
14
15EAPI Ecore_X_Cursor
16ecore_x_cursor_new(Ecore_X_Window win,
17 int *pixels,
18 int w,
19 int h,
20 int hot_x,
21 int hot_y)
22{
23#ifdef ECORE_XCURSOR
24 LOGFN(__FILE__, __LINE__, __FUNCTION__);
25 if (_ecore_x_xcursor)
26 {
27 Cursor c;
28 XcursorImage *xci;
29
30 xci = XcursorImageCreate(w, h);
31 if (xci)
32 {
33 int i;
34
35 xci->xhot = hot_x;
36 xci->yhot = hot_y;
37 xci->delay = 0;
38 for (i = 0; i < (w * h); i++)
39 {
40// int r, g, b, a;
41//
42// a = (pixels[i] >> 24) & 0xff;
43// r = (((pixels[i] >> 16) & 0xff) * a) / 0xff;
44// g = (((pixels[i] >> 8 ) & 0xff) * a) / 0xff;
45// b = (((pixels[i] ) & 0xff) * a) / 0xff;
46 xci->pixels[i] = pixels[i];
47// (a << 24) | (r << 16) | (g << 8) | (b);
48 }
49 c = XcursorImageLoadCursor(_ecore_x_disp, xci);
50 XcursorImageDestroy(xci);
51 return c;
52 }
53 }
54 else
55#endif /* ifdef ECORE_XCURSOR */
56 {
57 XColor c1, c2;
58 Cursor c;
59 Pixmap pmap, mask;
60 GC gc;
61 XGCValues gcv;
62 XImage *xim;
63 unsigned int *pix;
64 int fr, fg, fb, br, bg, bb;
65 int brightest = 0;
66 int darkest = 255 * 3;
67 int x, y;
68 const int dither[2][2] =
69 {
70 {0, 2},
71 {3, 1}
72 };
73
74 pmap = XCreatePixmap(_ecore_x_disp, win, w, h, 1);
75 mask = XCreatePixmap(_ecore_x_disp, win, w, h, 1);
76 xim = XCreateImage(_ecore_x_disp,
77 DefaultVisual(_ecore_x_disp, 0),
78 1, ZPixmap, 0, NULL, w, h, 32, 0);
79 xim->data = malloc(xim->bytes_per_line * xim->height);
80
81 fr = 0x00; fg = 0x00; fb = 0x00;
82 br = 0xff; bg = 0xff; bb = 0xff;
83 pix = (unsigned int *)pixels;
84 for (y = 0; y < h; y++)
85 {
86 for (x = 0; x < w; x++)
87 {
88 int r, g, b, a;
89
90 a = (pix[0] >> 24) & 0xff;
91 r = (pix[0] >> 16) & 0xff;
92 g = (pix[0] >> 8) & 0xff;
93 b = (pix[0]) & 0xff;
94 if (a > 0)
95 {
96 if ((r + g + b) > brightest)
97 {
98 brightest = r + g + b;
99 br = r;
100 bg = g;
101 bb = b;
102 }
103
104 if ((r + g + b) < darkest)
105 {
106 darkest = r + g + b;
107 fr = r;
108 fg = g;
109 fb = b;
110 }
111 }
112
113 pix++;
114 }
115 }
116
117 pix = (unsigned int *)pixels;
118 for (y = 0; y < h; y++)
119 {
120 for (x = 0; x < w; x++)
121 {
122 int v;
123 int r, g, b;
124 int d1, d2;
125
126 r = (pix[0] >> 16) & 0xff;
127 g = (pix[0] >> 8) & 0xff;
128 b = (pix[0]) & 0xff;
129 d1 =
130 ((r - fr) * (r - fr)) +
131 ((g - fg) * (g - fg)) +
132 ((b - fb) * (b - fb));
133 d2 =
134 ((r - br) * (r - br)) +
135 ((g - bg) * (g - bg)) +
136 ((b - bb) * (b - bb));
137 if (d1 + d2)
138 {
139 v = (((d2 * 255) / (d1 + d2)) * 5) / 256;
140 if (v > dither[x & 0x1][y & 0x1])
141 v = 1;
142 else
143 v = 0;
144 }
145 else
146 v = 0;
147
148 XPutPixel(xim, x, y, v);
149 pix++;
150 }
151 }
152 gc = XCreateGC(_ecore_x_disp, pmap, 0, &gcv);
153 XPutImage(_ecore_x_disp, pmap, gc, xim, 0, 0, 0, 0, w, h);
154 XFreeGC(_ecore_x_disp, gc);
155
156 pix = (unsigned int *)pixels;
157 for (y = 0; y < h; y++)
158 {
159 for (x = 0; x < w; x++)
160 {
161 int v;
162
163 v = (((pix[0] >> 24) & 0xff) * 5) / 256;
164 if (v > dither[x & 0x1][y & 0x1])
165 v = 1;
166 else
167 v = 0;
168
169 XPutPixel(xim, x, y, v);
170 pix++;
171 }
172 }
173 gc = XCreateGC(_ecore_x_disp, mask, 0, &gcv);
174 XPutImage(_ecore_x_disp, mask, gc, xim, 0, 0, 0, 0, w, h);
175 XFreeGC(_ecore_x_disp, gc);
176
177 free(xim->data);
178 xim->data = NULL;
179 XDestroyImage(xim);
180
181 c1.pixel = 0;
182 c1.red = fr << 8 | fr;
183 c1.green = fg << 8 | fg;
184 c1.blue = fb << 8 | fb;
185 c1.flags = DoRed | DoGreen | DoBlue;
186
187 c2.pixel = 0;
188 c2.red = br << 8 | br;
189 c2.green = bg << 8 | bg;
190 c2.blue = bb << 8 | bb;
191 c2.flags = DoRed | DoGreen | DoBlue;
192
193 c = XCreatePixmapCursor(_ecore_x_disp,
194 pmap, mask,
195 &c1, &c2,
196 hot_x, hot_y);
197 XFreePixmap(_ecore_x_disp, pmap);
198 XFreePixmap(_ecore_x_disp, mask);
199 return c;
200 }
201
202 return 0;
203} /* ecore_x_cursor_new */
204
205EAPI void
206ecore_x_cursor_free(Ecore_X_Cursor c)
207{
208 LOGFN(__FILE__, __LINE__, __FUNCTION__);
209 XFreeCursor(_ecore_x_disp, c);
210} /* ecore_x_cursor_free */
211
212/*
213 * Returns the cursor for the given shape.
214 * Note that the return value must not be freed with
215 * ecore_x_cursor_free()!
216 */
217EAPI Ecore_X_Cursor
218ecore_x_cursor_shape_get(int shape)
219{
220 LOGFN(__FILE__, __LINE__, __FUNCTION__);
221 /* Shapes are defined in Ecore_X_Cursor.h */
222 return XCreateFontCursor(_ecore_x_disp, shape);
223} /* ecore_x_cursor_shape_get */
224
225EAPI void
226ecore_x_cursor_size_set(int size)
227{
228#ifdef ECORE_XCURSOR
229 LOGFN(__FILE__, __LINE__, __FUNCTION__);
230 XcursorSetDefaultSize(_ecore_x_disp, size);
231#else /* ifdef ECORE_XCURSOR */
232 size = 0;
233#endif /* ifdef ECORE_XCURSOR */
234} /* ecore_x_cursor_size_set */
235
236EAPI int
237ecore_x_cursor_size_get(void)
238{
239#ifdef ECORE_XCURSOR
240 LOGFN(__FILE__, __LINE__, __FUNCTION__);
241 return XcursorGetDefaultSize(_ecore_x_disp);
242#else /* ifdef ECORE_XCURSOR */
243 return 0;
244#endif /* ifdef ECORE_XCURSOR */
245} /* ecore_x_cursor_size_get */
246
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