1 | #ifndef IMG_H |
1 | #ifndef IMG_H), |
2 | #define IMG_H |
2 | #define IMG_H |
3 | |
3 | |
4 | #if HAVE_BG_PIXMAP |
4 | #if HAVE_BG_PIXMAP |
5 | #define HAVE_IMG 1 |
5 | #define HAVE_IMG 1 |
6 | #endif |
6 | #endif |
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9 | |
9 | |
10 | #define float_to_component(d) (int32_t)((d) * 65535.99) |
10 | #define float_to_component(d) (int32_t)((d) * 65535.99) |
11 | |
11 | |
12 | #include <X11/extensions/Xrender.h> |
12 | #include <X11/extensions/Xrender.h> |
13 | |
13 | |
14 | class rxvt_img |
14 | struct rxvt_img |
15 | { |
15 | { |
16 | void destroy (); |
16 | typedef double nv; |
17 | Picture src_picture (); |
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18 | |
17 | |
19 | public: |
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20 | // *could* also hold the Pixmap itself |
18 | // *could* also hold the Pixmap itself |
21 | struct pixref |
19 | struct pixref |
22 | { |
20 | { |
23 | int cnt; |
21 | int cnt; |
24 | int w, h; |
22 | int w, h; |
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… | |
55 | } |
53 | } |
56 | |
54 | |
57 | // inplace |
55 | // inplace |
58 | void move (int dx, int dy) |
56 | void move (int dx, int dy) |
59 | { |
57 | { |
60 | x -= dx; |
58 | x += dx; |
61 | y -= dy; |
59 | y += dy; |
62 | } |
60 | } |
63 | |
61 | |
64 | void repeat_mode (int repeat) |
62 | void repeat_mode (int repeat) |
65 | { |
63 | { |
66 | this->repeat = repeat; |
64 | this->repeat = repeat; |
67 | } |
65 | } |
68 | |
66 | |
69 | void unshare (); // prepare for write |
67 | void unshare (); // prepare for write |
70 | void fill (const rgba &c); |
68 | void fill (const rgba &c); |
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69 | void add_alpha (); |
71 | //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
70 | //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
72 | //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
71 | //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
73 | //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
72 | //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
74 | void brightness (int32_t r, int32_t g, int32_t b, int32_t a); |
73 | void brightness (int32_t r, int32_t g, int32_t b, int32_t a); |
75 | void contrast (int32_t r, int32_t g, int32_t b, int32_t a); |
74 | void contrast (int32_t r, int32_t g, int32_t b, int32_t a); |
76 | |
75 | |
77 | void brightness (double r, double g, double b, double a = 1.) |
76 | void brightness (nv r, nv g, nv b, nv a = 1.) |
78 | { |
77 | { |
79 | brightness (float_to_component (r), |
78 | brightness (float_to_component (r), |
80 | float_to_component (g), |
79 | float_to_component (g), |
81 | float_to_component (b), |
80 | float_to_component (b), |
82 | float_to_component (a)); |
81 | float_to_component (a)); |
83 | } |
82 | } |
84 | |
83 | |
85 | void contrast (double r, double g, double b, double a = 1.) |
84 | void contrast (nv r, nv g, nv b, nv a = 1.) |
86 | { |
85 | { |
87 | contrast (float_to_component (r), |
86 | contrast (float_to_component (r), |
88 | float_to_component (g), |
87 | float_to_component (g), |
89 | float_to_component (b), |
88 | float_to_component (b), |
90 | float_to_component (a)); |
89 | float_to_component (a)); |
91 | } |
90 | } |
92 | |
91 | |
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92 | void draw (rxvt_img *img, int op = PictOpOver, nv mask = 1.); |
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93 | |
93 | // copy |
94 | // copy |
94 | rxvt_img *reify (); // make x, y 0, make real width/height |
95 | rxvt_img *reify (); // make x, y 0, make real width/height |
95 | rxvt_img *blur (int rh, int rv); |
96 | rxvt_img *blur (int rh, int rv); |
96 | rxvt_img *clone (); |
97 | rxvt_img *clone (); |
97 | rxvt_img *sub_rect (int x, int y, int width, int height); |
98 | rxvt_img *sub_rect (int x, int y, int width, int height); |
98 | rxvt_img *transform (double matrix[3][3]); |
99 | rxvt_img *transform (const nv matrix[3][3]); |
99 | rxvt_img *scale (int new_width, int new_height); |
100 | rxvt_img *scale (int new_width, int new_height); |
100 | rxvt_img *rotate (int cx, int cy, double phi); |
101 | rxvt_img *rotate (int cx, int cy, nv phi); |
101 | rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg); |
102 | rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg); |
102 | rxvt_img *blend (rxvt_img *img, double factor); |
103 | rxvt_img *blend (rxvt_img *img, nv factor = 1.); |
103 | |
104 | |
104 | // egregiuous helper category |
105 | // egregiuous helper category |
105 | rxvt_img *replace (rxvt_img *&p) |
106 | rxvt_img *replace (rxvt_img *&p) |
106 | { |
107 | { |
107 | delete p; |
108 | delete p; |
108 | p = this; |
109 | p = this; |
109 | return this; |
110 | return this; |
110 | } |
111 | } |
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112 | |
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113 | private: |
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114 | |
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115 | void destroy (); |
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116 | Picture picture (); |
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117 | rxvt_img *transform (const nv *matrix); |
111 | }; |
118 | }; |
112 | |
119 | |
113 | #endif |
120 | #endif |
114 | |
121 | |
115 | #endif |
122 | #endif |