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2 | #include "../config.h" |
2 | #include "../config.h" |
3 | #include "rxvt.h" |
3 | #include "rxvt.h" |
4 | |
4 | |
5 | #if HAVE_IMG |
5 | #if HAVE_IMG |
6 | |
6 | |
7 | #define float_to_component(d) ((d) * 65535.99) |
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8 | |
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9 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height) |
7 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat) |
10 | : s(screen), w(width), h(height), format(format), shared(false) |
8 | : s(screen), x(x), y(y), w(width), h(height), format(format), repeat(repeat), |
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9 | pm(0), ref(0) |
11 | { |
10 | { |
12 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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13 | } |
11 | } |
14 | |
12 | |
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13 | rxvt_img::rxvt_img (const rxvt_img &img) |
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14 | : s(img.s), x(img.x), y(img.y), w(img.w), h(img.h), format(img.format), repeat(img.repeat), pm(img.pm), ref(img.ref) |
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15 | { |
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16 | ++ref->cnt; |
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17 | } |
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18 | |
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19 | #if 0 |
15 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
20 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
16 | : s(screen), pm(pixmap), w(width), h(height), format(format), shared(false) |
21 | : s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false), pm(pixmap) |
17 | { |
22 | { |
18 | } |
23 | } |
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24 | #endif |
19 | |
25 | |
20 | rxvt_img * |
26 | rxvt_img * |
21 | rxvt_img::new_from_root (rxvt_screen *s) |
27 | rxvt_img::new_from_root (rxvt_screen *s) |
22 | { |
28 | { |
23 | Display *dpy = s->display->dpy; |
29 | Display *dpy = s->display->dpy; |
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37 | return 0; |
43 | return 0; |
38 | |
44 | |
39 | rxvt_img *img = new rxvt_img ( |
45 | rxvt_img *img = new rxvt_img ( |
40 | s, |
46 | s, |
41 | XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), |
47 | XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), |
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48 | 0, |
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49 | 0, |
42 | root_pm_w, |
50 | root_pm_w, |
43 | root_pm_h, |
51 | root_pm_h |
44 | root_pixmap |
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45 | ); |
52 | ); |
46 | |
53 | |
47 | img->shared = true; |
54 | img->pm = root_pixmap; |
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55 | img->ref = new pixref (root_pm_w, root_pm_h); |
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56 | img->ref->ours = false; |
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57 | |
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58 | return img; |
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59 | } |
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60 | |
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61 | rxvt_img * |
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62 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
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63 | { |
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64 | Display *dpy = s->display->dpy; |
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65 | |
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66 | int width = gdk_pixbuf_get_width (pb); |
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67 | int height = gdk_pixbuf_get_height (pb); |
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68 | |
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69 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
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70 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
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71 | |
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72 | // since we require rgb24/argb32 formats from xrender we assume |
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73 | // that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
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74 | int depth = gdk_pixbuf_get_has_alpha (pb) ? 32 : 24; |
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75 | |
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76 | int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
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77 | |
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78 | XImage xi; |
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79 | |
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80 | xi.width = width; |
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81 | xi.height = height; |
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82 | xi.xoffset = 0; |
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83 | xi.format = ZPixmap; |
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84 | xi.byte_order = ImageByteOrder (dpy); |
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85 | xi.bitmap_unit = 0; //XY only, unused |
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86 | xi.bitmap_bit_order = 0; //XY only, unused |
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87 | xi.bitmap_pad = BitmapPad (dpy); |
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88 | xi.depth = depth; |
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89 | xi.bytes_per_line = 0; |
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90 | xi.bits_per_pixel = 32; //Z only |
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91 | xi.red_mask = 0x00000000; //Z only, unused |
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92 | xi.green_mask = 0x00000000; //Z only, unused |
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93 | xi.blue_mask = 0x00000000; //Z only, unused |
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94 | xi.obdata = 0; // probably unused |
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95 | |
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96 | bool byte_order_mismatch = byte_order != xi.byte_order; |
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97 | |
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98 | if (!XInitImage (&xi)) |
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99 | rxvt_fatal ("unable to initialise ximage, please report.\n"); |
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100 | |
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101 | if (height > INT_MAX / xi.bytes_per_line) |
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102 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
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103 | |
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104 | xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
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105 | |
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106 | int rowstride = gdk_pixbuf_get_rowstride (pb); |
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107 | |
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108 | assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb)); |
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109 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
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110 | char *line = xi.data; |
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111 | |
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112 | for (int y = 0; y < height; y++) |
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113 | { |
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114 | unsigned char *src = row; |
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115 | uint32_t *dst = (uint32_t *)line; |
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116 | |
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117 | if (depth == 24) |
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118 | for (int x = 0; x < width; x++) |
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119 | { |
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120 | uint8_t r = *src++; |
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121 | uint8_t g = *src++; |
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122 | uint8_t b = *src++; |
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123 | |
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124 | uint32_t v = (r << 16) | (g << 8) | b; |
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125 | |
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126 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
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127 | v = ecb_bswap32 (v); |
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128 | |
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129 | *dst++ = v; |
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130 | } |
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131 | else |
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132 | for (int x = 0; x < width; x++) |
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133 | { |
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134 | uint32_t v = *(uint32_t *)src; src += 4; |
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135 | |
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136 | if (ecb_little_endian ()) |
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137 | v = ecb_bswap32 (v); |
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138 | |
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139 | v = ecb_rotr32 (v, 8); |
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140 | |
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141 | if (byte_order_mismatch) |
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142 | v = ecb_bswap32 (v); |
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143 | |
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144 | *dst++ = v; |
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145 | } |
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146 | |
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147 | row += rowstride; |
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148 | line += xi.bytes_per_line; |
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149 | } |
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150 | |
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151 | rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height); |
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152 | img->alloc (); |
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153 | |
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154 | GC gc = XCreateGC (dpy, img->pm, 0, 0); |
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155 | XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
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156 | XFreeGC (dpy, gc); |
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157 | |
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158 | free (xi.data); |
48 | |
159 | |
49 | return img; |
160 | return img; |
50 | } |
161 | } |
51 | |
162 | |
52 | rxvt_img * |
163 | rxvt_img * |
… | |
… | |
56 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
167 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
57 | |
168 | |
58 | if (!pb) |
169 | if (!pb) |
59 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
170 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
60 | |
171 | |
61 | rxvt_img *img = new rxvt_img ( |
172 | rxvt_img *img = new_from_pixbuf (s, pb); |
62 | s, |
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63 | XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), |
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64 | gdk_pixbuf_get_width (pb), |
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65 | gdk_pixbuf_get_height (pb) |
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66 | ); |
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67 | |
173 | |
68 | img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0); |
174 | g_object_unref (pb); |
69 | |
175 | |
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176 | return img; |
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177 | } |
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178 | |
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179 | void |
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180 | rxvt_img::destroy () |
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181 | { |
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182 | if (--ref->cnt) |
70 | return img; |
183 | return; |
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184 | |
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185 | if (pm && ref->ours) |
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186 | XFreePixmap (s->display->dpy, pm); |
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187 | |
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188 | delete ref; |
71 | } |
189 | } |
72 | |
190 | |
73 | rxvt_img::~rxvt_img () |
191 | rxvt_img::~rxvt_img () |
74 | { |
192 | { |
75 | if (!shared) |
193 | destroy (); |
76 | XFreePixmap (s->display->dpy, pm); |
194 | } |
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195 | |
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196 | void |
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197 | rxvt_img::alloc () |
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198 | { |
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199 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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200 | ref = new pixref (w, h); |
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201 | } |
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202 | |
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203 | Picture |
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204 | rxvt_img::src_picture () |
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205 | { |
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206 | Display *dpy = s->display->dpy; |
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207 | |
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208 | XRenderPictureAttributes pa; |
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209 | pa.repeat = repeat; |
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210 | Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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211 | |
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212 | return pic; |
77 | } |
213 | } |
78 | |
214 | |
79 | void |
215 | void |
80 | rxvt_img::unshare () |
216 | rxvt_img::unshare () |
81 | { |
217 | { |
82 | if (!shared) |
218 | if (ref->cnt == 1 && ref->ours) |
83 | return; |
219 | return; |
84 | |
220 | |
85 | rxvt_img *img = clone (); |
221 | //TODO: maybe should reify instead |
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222 | Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
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223 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
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224 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
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225 | XFreeGC (s->display->dpy, gc); |
86 | |
226 | |
87 | ::swap (pm , img->pm); |
227 | destroy (); |
88 | ::swap (shared, img->shared); |
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89 | |
228 | |
90 | delete img; |
229 | pm = pm2; |
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230 | ref = new pixref (ref->w, ref->h); |
91 | } |
231 | } |
92 | |
232 | |
93 | void |
233 | void |
94 | rxvt_img::fill (const rxvt_color &c) |
234 | rxvt_img::fill (const rxvt_color &c) |
95 | { |
235 | { |
… | |
… | |
129 | |
269 | |
130 | Display *dpy = s->display->dpy; |
270 | Display *dpy = s->display->dpy; |
131 | int size = max (rh, rv) * 2 + 1; |
271 | int size = max (rh, rv) * 2 + 1; |
132 | double *kernel = (double *)malloc (size * sizeof (double)); |
272 | double *kernel = (double *)malloc (size * sizeof (double)); |
133 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
273 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
134 | rxvt_img *img = new rxvt_img (s, format, w, h); |
274 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
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275 | img->alloc (); |
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276 | |
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277 | Picture src = src_picture (); |
135 | |
278 | |
136 | XRenderPictureAttributes pa; |
279 | XRenderPictureAttributes pa; |
137 | |
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138 | pa.repeat = RepeatPad; |
280 | pa.repeat = RepeatPad; |
139 | Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa); |
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140 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
281 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
141 | |
282 | |
142 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
283 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
143 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
284 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
144 | XFreePixmap (dpy, tmp_pm); |
285 | XFreePixmap (dpy, tmp_pm); |
… | |
… | |
198 | |
339 | |
199 | return mask; |
340 | return mask; |
200 | } |
341 | } |
201 | |
342 | |
202 | void |
343 | void |
203 | rxvt_img::brightness (double r, double g, double b, double a) |
344 | rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
204 | { |
345 | { |
205 | Display *dpy = s->display->dpy; |
346 | Display *dpy = s->display->dpy; |
206 | Picture src = create_xrender_mask (dpy, pm, True); |
347 | Picture src = create_xrender_mask (dpy, pm, True); |
207 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
348 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
208 | |
349 | |
209 | XRenderColor mask_c; |
350 | XRenderColor mask_c; |
210 | mask_c.red = float_to_component (r); |
351 | mask_c.red = r; |
211 | mask_c.green = float_to_component (g); |
352 | mask_c.green = g; |
212 | mask_c.blue = float_to_component (b); |
353 | mask_c.blue = b; |
213 | mask_c.alpha = float_to_component (a); |
354 | mask_c.alpha = a; |
214 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
355 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
215 | |
356 | |
216 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
357 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
217 | |
358 | |
218 | XRenderFreePicture (dpy, src); |
359 | XRenderFreePicture (dpy, src); |
219 | XRenderFreePicture (dpy, dst); |
360 | XRenderFreePicture (dpy, dst); |
220 | } |
361 | } |
221 | |
362 | |
222 | void |
363 | void |
223 | rxvt_img::contrast (double r, double g, double b, double a) |
364 | rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
224 | { |
365 | { |
225 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
366 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
226 | return; |
367 | return; |
227 | |
368 | |
228 | Display *dpy = s->display->dpy; |
369 | Display *dpy = s->display->dpy; |
229 | Picture src = create_xrender_mask (dpy, pm, True); |
370 | Picture src = create_xrender_mask (dpy, pm, True); |
230 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
371 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
231 | |
372 | |
232 | XRenderColor mask_c; |
373 | XRenderColor mask_c; |
233 | mask_c.red = float_to_component (r); |
374 | mask_c.red = r; |
234 | mask_c.green = float_to_component (g); |
375 | mask_c.green = g; |
235 | mask_c.blue = float_to_component (b); |
376 | mask_c.blue = b; |
236 | mask_c.alpha = float_to_component (a); |
377 | mask_c.alpha = a; |
237 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
378 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
238 | |
379 | |
239 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
380 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
240 | |
381 | |
241 | XRenderFreePicture (dpy, src); |
382 | XRenderFreePicture (dpy, src); |
242 | XRenderFreePicture (dpy, dst); |
383 | XRenderFreePicture (dpy, dst); |
243 | } |
384 | } |
244 | |
385 | |
245 | bool |
386 | rxvt_img * |
246 | rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
387 | rxvt_img::clone () |
247 | { |
388 | { |
248 | Display *dpy = s->display->dpy; |
389 | return new rxvt_img (*this); |
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390 | } |
249 | |
391 | |
250 | if (s->visual->c_class != TrueColor) |
392 | static XRenderPictFormat * |
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393 | find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
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394 | { |
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395 | if (format->direct.alphaMask) |
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396 | return format; // already has alpha |
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397 | |
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398 | // try to find a suitable alpha format, one bit alpha is enough for our purposes |
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399 | if (format->type == PictTypeDirect) |
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400 | for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
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401 | if (f->direct.alphaMask |
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402 | && f->type == PictTypeDirect |
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403 | && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
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404 | && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
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405 | && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
251 | return false; |
406 | return f; |
252 | |
407 | |
253 | uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
408 | // should be a very good fallback |
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409 | return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
|
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410 | } |
254 | |
411 | |
255 | red_mask = (uint32_t)format->direct.redMask << format->direct.red; |
412 | rxvt_img * |
256 | green_mask = (uint32_t)format->direct.greenMask << format->direct.green; |
413 | rxvt_img::reify () |
257 | blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue; |
414 | { |
258 | alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
415 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
259 | |
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260 | int width_r = ecb_popcount32 (red_mask); |
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261 | int width_g = ecb_popcount32 (green_mask); |
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262 | int width_b = ecb_popcount32 (blue_mask); |
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263 | int width_a = ecb_popcount32 (alpha_mask); |
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264 | |
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265 | if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
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266 | return false; |
416 | return clone (); |
267 | |
417 | |
268 | int sh_r = ecb_ctz32 (red_mask); |
418 | Display *dpy = s->display->dpy; |
269 | int sh_g = ecb_ctz32 (green_mask); |
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270 | int sh_b = ecb_ctz32 (blue_mask); |
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271 | int sh_a = ecb_ctz32 (alpha_mask); |
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272 | |
419 | |
273 | if (width > 32767 || height > 32767) |
420 | bool alpha = !format->direct.alphaMask |
274 | return false; |
421 | && (x || y) |
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422 | && repeat == RepeatNone; |
275 | |
423 | |
276 | XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, |
424 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
277 | width, height, 32, 0); |
425 | img->alloc (); |
278 | if (!ximage) |
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279 | return false; |
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280 | |
426 | |
281 | if (height > INT_MAX / ximage->bytes_per_line |
427 | Picture src = src_picture (); |
282 | || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) |
428 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
|
|
429 | |
|
|
430 | if (alpha) |
283 | { |
431 | { |
284 | XDestroyImage (ximage); |
432 | XRenderColor rc = { 0, 0, 0, 0 }; |
285 | return false; |
433 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
|
|
434 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h); |
286 | } |
435 | } |
|
|
436 | else |
|
|
437 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
287 | |
438 | |
288 | GC gc = XCreateGC (dpy, pm, 0, 0); |
439 | XRenderFreePicture (dpy, src); |
|
|
440 | XRenderFreePicture (dpy, dst); |
289 | |
441 | |
290 | ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
442 | return img; |
|
|
443 | } |
291 | |
444 | |
292 | int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
445 | rxvt_img * |
293 | int channels = gdk_pixbuf_get_n_channels (pixbuf); |
446 | rxvt_img::sub_rect (int x, int y, int width, int height) |
294 | unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
447 | { |
295 | char *line = ximage->data; |
448 | rxvt_img *img = clone (); |
296 | |
449 | |
297 | rgba c (0, 0, 0); |
450 | img->x += x; |
|
|
451 | img->y += y; |
298 | |
452 | |
299 | if (channels == 4 && alpha_mask == 0) |
453 | if (w != width || h != height) |
300 | { |
454 | { |
301 | //pix_colors[Color_bg].get (c); |
455 | img->w = width; |
302 | //TODO |
456 | img->h = height; |
303 | c.r = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D |
457 | |
304 | c.r >>= 8; |
458 | rxvt_img *img2 = img->reify (); |
305 | c.g >>= 8; |
459 | delete img; |
306 | c.b >>= 8; |
460 | img = img2; |
307 | } |
461 | } |
308 | |
462 | |
309 | for (int y = 0; y < height; y++) |
|
|
310 | { |
|
|
311 | for (int x = 0; x < width; x++) |
|
|
312 | { |
|
|
313 | unsigned char *pixel = row + x * channels; |
|
|
314 | uint32_t value; |
|
|
315 | unsigned char r, g, b, a; |
|
|
316 | |
|
|
317 | if (channels == 4) |
|
|
318 | { |
|
|
319 | a = pixel[3]; |
|
|
320 | r = (pixel[0] * a + c.r * (0xff - a)) / 0xff; |
|
|
321 | g = (pixel[1] * a + c.g * (0xff - a)) / 0xff; |
|
|
322 | b = (pixel[2] * a + c.b * (0xff - a)) / 0xff; |
|
|
323 | } |
|
|
324 | else |
|
|
325 | { |
|
|
326 | a = 0xff; |
|
|
327 | r = pixel[0]; |
|
|
328 | g = pixel[1]; |
|
|
329 | b = pixel[2]; |
|
|
330 | } |
|
|
331 | |
|
|
332 | value = ((r >> (8 - width_r)) << sh_r) |
|
|
333 | | ((g >> (8 - width_g)) << sh_g) |
|
|
334 | | ((b >> (8 - width_b)) << sh_b) |
|
|
335 | | ((a >> (8 - width_a)) << sh_a); |
|
|
336 | |
|
|
337 | if (ximage->bits_per_pixel == 32) |
|
|
338 | ((uint32_t *)line)[x] = value; |
|
|
339 | else |
|
|
340 | XPutPixel (ximage, x, y, value); |
|
|
341 | } |
|
|
342 | |
|
|
343 | row += rowstride; |
|
|
344 | line += ximage->bytes_per_line; |
|
|
345 | } |
|
|
346 | |
|
|
347 | XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height); |
|
|
348 | XDestroyImage (ximage); |
|
|
349 | XFreeGC (dpy, gc); |
|
|
350 | |
|
|
351 | return true; |
|
|
352 | } |
|
|
353 | |
|
|
354 | rxvt_img * |
|
|
355 | rxvt_img::clone () |
|
|
356 | { |
|
|
357 | rxvt_img *img = new rxvt_img (s, format, w, h); |
|
|
358 | |
|
|
359 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
|
|
360 | XCopyArea (s->display->dpy, pm, img->pm, gc, 0, 0, w, h, 0, 0); |
|
|
361 | XFreeGC (s->display->dpy, gc); |
|
|
362 | |
|
|
363 | return img; |
463 | return img; |
364 | } |
464 | } |
365 | |
465 | |
366 | rxvt_img * |
466 | rxvt_img * |
367 | rxvt_img::sub_rect (int x, int y, int width, int height, int repeat) |
467 | rxvt_img::transform (int new_width, int new_height, double matrix[9]) |
368 | { |
468 | { |
369 | rxvt_img *img = new rxvt_img (s, format, width, height); |
469 | rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat); |
|
|
470 | img->alloc (); |
370 | |
471 | |
371 | Display *dpy = s->display->dpy; |
472 | Display *dpy = s->display->dpy; |
372 | XRenderPictureAttributes pa; |
473 | Picture src = src_picture (); |
373 | pa.repeat = repeat; |
|
|
374 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
|
|
375 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
474 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
376 | |
|
|
377 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, width, height); |
|
|
378 | |
|
|
379 | XRenderFreePicture (dpy, src); |
|
|
380 | XRenderFreePicture (dpy, dst); |
|
|
381 | |
|
|
382 | return img; |
|
|
383 | } |
|
|
384 | |
|
|
385 | rxvt_img * |
|
|
386 | rxvt_img::transform (int new_width, int new_height, double matrix[9], int repeat) |
|
|
387 | { |
|
|
388 | rxvt_img *img = new rxvt_img (s, format, new_width, new_height); |
|
|
389 | |
|
|
390 | Display *dpy = s->display->dpy; |
|
|
391 | XRenderPictureAttributes pa; |
|
|
392 | pa.repeat = repeat; |
|
|
393 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
|
|
394 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
|
|
395 | |
475 | |
396 | XTransform xfrm; |
476 | XTransform xfrm; |
397 | |
477 | |
398 | for (int i = 0; i < 3; ++i) |
478 | for (int i = 0; i < 3; ++i) |
399 | for (int j = 0; j < 3; ++j) |
479 | for (int j = 0; j < 3; ++j) |
400 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
480 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
401 | |
481 | |
|
|
482 | #if 0 |
|
|
483 | xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
|
|
484 | xfrm.matrix [1][2] -= XDoubleToFixed (y); |
|
|
485 | #endif |
|
|
486 | |
402 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
487 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
403 | XRenderSetPictureTransform (dpy, src, &xfrm); |
488 | XRenderSetPictureTransform (dpy, src, &xfrm); |
404 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
489 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
405 | |
490 | |
406 | XRenderFreePicture (dpy, src); |
491 | XRenderFreePicture (dpy, src); |
… | |
… | |
410 | } |
495 | } |
411 | |
496 | |
412 | rxvt_img * |
497 | rxvt_img * |
413 | rxvt_img::scale (int new_width, int new_height) |
498 | rxvt_img::scale (int new_width, int new_height) |
414 | { |
499 | { |
|
|
500 | if (w == new_width && h == new_height) |
|
|
501 | return clone (); |
|
|
502 | |
415 | double matrix[9] = { |
503 | double matrix[9] = { |
416 | w / (double)new_width, 0, 0, |
504 | w / (double)new_width, 0, 0, |
417 | 0, h / (double)new_height, 0, |
505 | 0, h / (double)new_height, 0, |
418 | 0, 0, 1 |
506 | 0, 0, 1 |
419 | }; |
507 | }; |
420 | |
508 | |
|
|
509 | int old_repeat_mode = repeat; |
|
|
510 | repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems |
|
|
511 | |
421 | return transform (new_width, new_height, matrix); |
512 | rxvt_img *img = transform (new_width, new_height, matrix); |
422 | } |
|
|
423 | |
513 | |
|
|
514 | repeat = old_repeat_mode; |
|
|
515 | img->repeat = repeat; |
|
|
516 | |
|
|
517 | return img; |
|
|
518 | } |
|
|
519 | |
424 | rxvt_img * |
520 | rxvt_img * |
425 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi, int repeat) |
521 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
426 | { |
522 | { |
427 | double s = sin (phi); |
523 | double s = sin (phi); |
428 | double c = cos (phi); |
524 | double c = cos (phi); |
429 | |
525 | |
430 | double matrix[9] = { |
526 | double matrix[9] = { |
431 | c, -s, -c * x + s * y + x, |
527 | c, -s, -c * x + s * y + x, |
432 | s, c, -s * x - c * y + y, |
528 | s, c, -s * x - c * y + y, |
433 | 0, 0, 1 |
529 | 0, 0, 1 |
434 | }; |
530 | }; |
435 | |
531 | |
436 | return transform (new_width, new_height, matrix, repeat); |
532 | return transform (new_width, new_height, matrix); |
437 | } |
533 | } |
438 | |
534 | |
439 | rxvt_img * |
535 | rxvt_img * |
440 | rxvt_img::convert_to (XRenderPictFormat *new_format) |
536 | rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg) |
441 | { |
537 | { |
|
|
538 | if (new_format == format) |
|
|
539 | return clone (); |
|
|
540 | |
442 | rxvt_img *img = new rxvt_img (s, new_format, w, h); |
541 | rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
|
|
542 | img->alloc (); |
443 | |
543 | |
444 | Display *dpy = s->display->dpy; |
544 | Display *dpy = s->display->dpy; |
445 | Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); |
545 | Picture src = src_picture (); |
446 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
546 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
|
|
547 | int op = PictOpSrc; |
447 | |
548 | |
|
|
549 | if (format->direct.alphaMask && !new_format->direct.alphaMask) |
|
|
550 | { |
|
|
551 | // does it have to be that complicated |
|
|
552 | rgba c; |
|
|
553 | bg.get (c); |
|
|
554 | |
|
|
555 | XRenderColor rc = { c.r, c.g, c.b, 0xffff }; |
|
|
556 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h); |
|
|
557 | |
|
|
558 | op = PictOpOver; |
|
|
559 | } |
|
|
560 | |
448 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
561 | XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
449 | |
562 | |
450 | XRenderFreePicture (dpy, src); |
|
|
451 | XRenderFreePicture (dpy, dst); |
563 | XRenderFreePicture (dpy, src); |
|
|
564 | XRenderFreePicture (dpy, dst); |
452 | |
565 | |
|
|
566 | return img; |
|
|
567 | } |
|
|
568 | |
|
|
569 | rxvt_img * |
|
|
570 | rxvt_img::blend (rxvt_img *img, double factor) |
|
|
571 | { |
|
|
572 | rxvt_img *img2 = clone (); |
|
|
573 | Display *dpy = s->display->dpy; |
|
|
574 | Picture src = img->src_picture (); |
|
|
575 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
|
|
576 | Picture mask = create_xrender_mask (dpy, img->pm, False); |
|
|
577 | |
|
|
578 | XRenderColor mask_c; |
|
|
579 | |
|
|
580 | mask_c.alpha = float_to_component (factor); |
|
|
581 | mask_c.red = |
|
|
582 | mask_c.green = |
|
|
583 | mask_c.blue = 0; |
|
|
584 | XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
|
|
585 | |
|
|
586 | XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
587 | |
|
|
588 | XRenderFreePicture (dpy, src); |
|
|
589 | XRenderFreePicture (dpy, dst); |
|
|
590 | XRenderFreePicture (dpy, mask); |
|
|
591 | |
453 | return img; |
592 | return img2; |
454 | } |
593 | } |
455 | |
594 | |
456 | #endif |
595 | #endif |
457 | |
596 | |