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Diffstat (limited to 'util/fbcompose/XRenderResources.cc')
-rw-r--r-- | util/fbcompose/XRenderResources.cc | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/util/fbcompose/XRenderResources.cc b/util/fbcompose/XRenderResources.cc new file mode 100644 index 0000000..e868609 --- /dev/null +++ b/util/fbcompose/XRenderResources.cc | |||
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1 | /** XRenderResources.cc file for the fluxbox compositor. */ | ||
2 | |||
3 | // Copyright (c) 2011 Gediminas Liktaras (gliktaras at gmail dot com) | ||
4 | // | ||
5 | // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
6 | // of this software and associated documentation files (the "Software"), to deal | ||
7 | // in the Software without restriction, including without limitation the rights | ||
8 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
9 | // copies of the Software, and to permit persons to whom the Software is | ||
10 | // furnished to do so, subject to the following conditions: | ||
11 | // | ||
12 | // The above copyright notice and this permission notice shall be included in | ||
13 | // all copies or substantial portions of the Software. | ||
14 | // | ||
15 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
16 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
17 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
18 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
19 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
20 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
21 | // THE SOFTWARE. | ||
22 | |||
23 | |||
24 | #include "XRenderResources.hh" | ||
25 | |||
26 | #include "XRenderScreen.hh" | ||
27 | |||
28 | using namespace FbCompositor; | ||
29 | |||
30 | |||
31 | //--- XRENDER PICTURE WRAPPER -------------------------------------------------- | ||
32 | |||
33 | //------- CONSTRUCTORS AND DESTRUCTORS ----------------------------------------- | ||
34 | |||
35 | // Constructor. | ||
36 | XRenderPicture::XRenderPicture(const XRenderScreen &screen, XRenderPictFormat *pict_format, const char *pict_filter) : | ||
37 | m_drawable(None), | ||
38 | m_gc(None), | ||
39 | m_picture(None), | ||
40 | m_resources_managed(false), | ||
41 | m_pict_filter(pict_filter), | ||
42 | m_pict_format(pict_format), | ||
43 | m_screen(screen) { | ||
44 | |||
45 | m_display = (Display*)(screen.display()); | ||
46 | } | ||
47 | |||
48 | // Destructor. | ||
49 | XRenderPicture::~XRenderPicture() { | ||
50 | freeResources(); | ||
51 | } | ||
52 | |||
53 | |||
54 | //------- MUTATORS ------------------------------------------------------------- | ||
55 | |||
56 | // Associate the picture with the given pixmap. | ||
57 | void XRenderPicture::setPixmap(Pixmap pixmap, bool manage_pixmap, XRenderPictureAttributes pa, long pa_mask) { | ||
58 | if (m_drawable != pixmap) { | ||
59 | freeResources(); | ||
60 | |||
61 | m_drawable = pixmap; | ||
62 | m_gc = XCreateGC(m_display, pixmap, 0, NULL); | ||
63 | |||
64 | m_picture = XRenderCreatePicture(m_display, pixmap, m_pict_format, pa_mask, &pa); | ||
65 | XRenderSetPictureFilter(m_display, m_picture, m_pict_filter, NULL, 0); | ||
66 | } | ||
67 | |||
68 | m_resources_managed = manage_pixmap; | ||
69 | } | ||
70 | |||
71 | // Associate the picture with the given window. | ||
72 | void XRenderPicture::setWindow(Window window, XRenderPictureAttributes pa, long pa_mask) { | ||
73 | if (m_drawable != window) { | ||
74 | freeResources(); | ||
75 | |||
76 | m_drawable = window; | ||
77 | m_gc = XCreateGC(m_display, window, 0, NULL); | ||
78 | |||
79 | m_picture = XRenderCreatePicture(m_display, window, m_pict_format, pa_mask, &pa); | ||
80 | XRenderSetPictureFilter(m_display, m_picture, m_pict_filter, NULL, 0); | ||
81 | } | ||
82 | |||
83 | m_resources_managed = false; | ||
84 | } | ||
85 | |||
86 | |||
87 | // Reset the picture's transformation matrix. | ||
88 | void XRenderPicture::resetPictureTransform() { | ||
89 | XTransform transform = { { | ||
90 | { XDoubleToFixed(1.0), XDoubleToFixed(0.0), XDoubleToFixed(0.0) }, | ||
91 | { XDoubleToFixed(0.0), XDoubleToFixed(1.0), XDoubleToFixed(0.0) }, | ||
92 | { XDoubleToFixed(0.0), XDoubleToFixed(0.0), XDoubleToFixed(1.0) } | ||
93 | } }; | ||
94 | setPictureTransform(transform); | ||
95 | } | ||
96 | |||
97 | // Scale the picture by the given inverse quotients. | ||
98 | void XRenderPicture::scalePicture(double x_factor_inv, double y_factor_inv) { | ||
99 | XTransform transform = { { | ||
100 | { XDoubleToFixed(x_factor_inv), XDoubleToFixed(0.0), XDoubleToFixed(0.0) }, | ||
101 | { XDoubleToFixed(0.0), XDoubleToFixed(y_factor_inv), XDoubleToFixed(0.0) }, | ||
102 | { XDoubleToFixed(0.0), XDoubleToFixed(0.0), XDoubleToFixed(1.0) } | ||
103 | } }; | ||
104 | setPictureTransform(transform); | ||
105 | } | ||
106 | |||
107 | // Set the picture's transformation matrix. | ||
108 | void XRenderPicture::setPictureTransform(const XTransform &transform) { | ||
109 | XRenderSetPictureTransform(m_display, m_picture, (XTransform*)(&transform)); | ||
110 | } | ||
111 | |||
112 | |||
113 | //--- OTHER FUNCTIONS ---------------------------------------------------------- | ||
114 | |||
115 | // Free held resources, if any. | ||
116 | void XRenderPicture::freeResources() { | ||
117 | if (m_picture) { | ||
118 | XRenderFreePicture(m_display, m_picture); | ||
119 | m_picture = None; | ||
120 | } | ||
121 | if (m_gc) { | ||
122 | XFreeGC(m_display, m_gc); | ||
123 | m_gc = None; | ||
124 | } | ||
125 | |||
126 | if (m_resources_managed && m_drawable) { | ||
127 | XFreePixmap(m_display, m_drawable); // Windows will never be managed. | ||
128 | m_drawable = None; | ||
129 | } | ||
130 | } | ||