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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) |
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11 | { |
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12 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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13 | } |
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14 | |
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15 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
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16 | : s(screen), pm(pixmap), 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) |
17 | { |
10 | { |
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11 | } |
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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; |
18 | } |
17 | } |
19 | |
18 | |
20 | rxvt_img * |
19 | rxvt_img * |
21 | rxvt_img::new_from_root (rxvt_screen *s) |
20 | rxvt_img::new_from_root (rxvt_screen *s) |
22 | { |
21 | { |
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37 | return 0; |
36 | return 0; |
38 | |
37 | |
39 | rxvt_img *img = new rxvt_img ( |
38 | rxvt_img *img = new rxvt_img ( |
40 | s, |
39 | s, |
41 | XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), |
40 | XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), |
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41 | 0, |
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42 | 0, |
42 | root_pm_w, |
43 | root_pm_w, |
43 | root_pm_h, |
44 | root_pm_h |
44 | root_pixmap |
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45 | ); |
45 | ); |
46 | |
46 | |
47 | img->shared = true; |
47 | img->pm = root_pixmap; |
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48 | img->ref = new pixref (root_pm_w, root_pm_h); |
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49 | img->ref->ours = false; |
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50 | |
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51 | return img; |
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52 | } |
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53 | |
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54 | # if HAVE_PIXBUF |
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55 | rxvt_img * |
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56 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
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57 | { |
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58 | Display *dpy = s->display->dpy; |
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59 | |
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60 | int width = gdk_pixbuf_get_width (pb); |
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61 | int height = gdk_pixbuf_get_height (pb); |
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62 | |
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63 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
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64 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
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65 | |
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66 | // since we require rgb24/argb32 formats from xrender we assume |
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67 | // that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
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68 | int depth = gdk_pixbuf_get_has_alpha (pb) ? 32 : 24; |
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69 | |
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70 | int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
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71 | |
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72 | XImage xi; |
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73 | |
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74 | xi.width = width; |
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75 | xi.height = height; |
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76 | xi.xoffset = 0; |
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77 | xi.format = ZPixmap; |
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78 | xi.byte_order = ImageByteOrder (dpy); |
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79 | xi.bitmap_unit = 0; //XY only, unused |
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80 | xi.bitmap_bit_order = 0; //XY only, unused |
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81 | xi.bitmap_pad = BitmapPad (dpy); |
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82 | xi.depth = depth; |
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83 | xi.bytes_per_line = 0; |
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84 | xi.bits_per_pixel = 32; //Z only |
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85 | xi.red_mask = 0x00000000; //Z only, unused |
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86 | xi.green_mask = 0x00000000; //Z only, unused |
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87 | xi.blue_mask = 0x00000000; //Z only, unused |
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88 | xi.obdata = 0; // probably unused |
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89 | |
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90 | bool byte_order_mismatch = byte_order != xi.byte_order; |
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91 | |
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92 | if (!XInitImage (&xi)) |
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93 | rxvt_fatal ("unable to initialise ximage, please report.\n"); |
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94 | |
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95 | if (height > INT_MAX / xi.bytes_per_line) |
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96 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
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97 | |
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98 | xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
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99 | |
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100 | int rowstride = gdk_pixbuf_get_rowstride (pb); |
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101 | |
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102 | assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb)); |
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103 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
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104 | char *line = xi.data; |
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105 | |
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106 | for (int y = 0; y < height; y++) |
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107 | { |
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108 | unsigned char *src = row; |
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109 | uint32_t *dst = (uint32_t *)line; |
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110 | |
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111 | if (depth == 24) |
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112 | for (int x = 0; x < width; x++) |
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113 | { |
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114 | uint8_t r = *src++; |
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115 | uint8_t g = *src++; |
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116 | uint8_t b = *src++; |
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117 | |
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118 | uint32_t v = (r << 16) | (g << 8) | b; |
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119 | |
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120 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
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121 | v = ecb_bswap32 (v); |
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122 | |
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123 | *dst++ = v; |
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124 | } |
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125 | else |
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126 | for (int x = 0; x < width; x++) |
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127 | { |
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128 | uint32_t v = *(uint32_t *)src; src += 4; |
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129 | |
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130 | if (ecb_big_endian ()) |
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131 | v = ecb_bswap32 (v); |
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132 | |
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133 | v = ecb_rotl32 (v, 8); // abgr to bgra |
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134 | |
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135 | if (!byte_order_mismatch) |
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136 | v = ecb_bswap32 (v); |
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137 | |
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138 | *dst++ = v; |
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139 | } |
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140 | |
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141 | row += rowstride; |
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142 | line += xi.bytes_per_line; |
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143 | } |
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144 | |
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145 | rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height); |
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146 | img->alloc (); |
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147 | |
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148 | GC gc = XCreateGC (dpy, img->pm, 0, 0); |
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149 | XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
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150 | XFreeGC (dpy, gc); |
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151 | |
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152 | free (xi.data); |
48 | |
153 | |
49 | return img; |
154 | return img; |
50 | } |
155 | } |
51 | |
156 | |
52 | rxvt_img * |
157 | rxvt_img * |
… | |
… | |
56 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
161 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
57 | |
162 | |
58 | if (!pb) |
163 | if (!pb) |
59 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
164 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
60 | |
165 | |
61 | rxvt_img *img = new rxvt_img ( |
166 | 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 | |
167 | |
68 | img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0); |
168 | g_object_unref (pb); |
69 | |
169 | |
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170 | return img; |
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171 | } |
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172 | # endif |
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173 | |
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174 | void |
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175 | rxvt_img::destroy () |
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176 | { |
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177 | if (--ref->cnt) |
70 | return img; |
178 | return; |
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179 | |
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180 | if (pm && ref->ours) |
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181 | XFreePixmap (s->display->dpy, pm); |
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182 | |
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183 | delete ref; |
71 | } |
184 | } |
72 | |
185 | |
73 | rxvt_img::~rxvt_img () |
186 | rxvt_img::~rxvt_img () |
74 | { |
187 | { |
75 | if (!shared) |
188 | destroy (); |
76 | XFreePixmap (s->display->dpy, pm); |
189 | } |
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190 | |
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191 | void |
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192 | rxvt_img::alloc () |
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193 | { |
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194 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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195 | ref = new pixref (w, h); |
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196 | } |
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197 | |
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198 | Picture |
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199 | rxvt_img::src_picture () |
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200 | { |
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201 | Display *dpy = s->display->dpy; |
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202 | |
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203 | XRenderPictureAttributes pa; |
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204 | pa.repeat = repeat; |
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205 | Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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206 | |
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207 | return pic; |
77 | } |
208 | } |
78 | |
209 | |
79 | void |
210 | void |
80 | rxvt_img::unshare () |
211 | rxvt_img::unshare () |
81 | { |
212 | { |
82 | if (!shared) |
213 | if (ref->cnt == 1 && ref->ours) |
83 | return; |
214 | return; |
84 | |
215 | |
85 | rxvt_img *img = clone (); |
216 | Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
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217 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
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218 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
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219 | XFreeGC (s->display->dpy, gc); |
86 | |
220 | |
87 | ::swap (pm , img->pm); |
221 | destroy (); |
88 | ::swap (shared, img->shared); |
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89 | |
222 | |
90 | delete img; |
223 | pm = pm2; |
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224 | ref = new pixref (ref->w, ref->h); |
91 | } |
225 | } |
92 | |
226 | |
93 | void |
227 | void |
94 | rxvt_img::fill (const rxvt_color &c) |
228 | rxvt_img::fill (const rxvt_color &c) |
95 | { |
229 | { |
… | |
… | |
129 | |
263 | |
130 | Display *dpy = s->display->dpy; |
264 | Display *dpy = s->display->dpy; |
131 | int size = max (rh, rv) * 2 + 1; |
265 | int size = max (rh, rv) * 2 + 1; |
132 | double *kernel = (double *)malloc (size * sizeof (double)); |
266 | double *kernel = (double *)malloc (size * sizeof (double)); |
133 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
267 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
134 | rxvt_img *img = new rxvt_img (s, format, w, h); |
268 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
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269 | img->alloc (); |
135 | |
270 | |
136 | XRenderPictureAttributes pa; |
271 | XRenderPictureAttributes pa; |
137 | |
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138 | pa.repeat = RepeatPad; |
272 | pa.repeat = RepeatPad; |
139 | Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa); |
273 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
140 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
274 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
141 | |
275 | |
142 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
276 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
143 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
277 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
144 | XFreePixmap (dpy, tmp_pm); |
278 | XFreePixmap (dpy, tmp_pm); |
145 | |
279 | |
… | |
… | |
161 | |
295 | |
162 | size = rv * 2 + 1; |
296 | size = rv * 2 + 1; |
163 | get_gaussian_kernel (rv, size, kernel, params); |
297 | get_gaussian_kernel (rv, size, kernel, params); |
164 | ::swap (params[0], params[1]); |
298 | ::swap (params[0], params[1]); |
165 | |
299 | |
166 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
300 | XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2); |
167 | XRenderComposite (dpy, |
301 | XRenderComposite (dpy, |
168 | PictOpSrc, |
302 | PictOpSrc, |
169 | tmp, |
303 | tmp, |
170 | None, |
304 | None, |
171 | dst, |
305 | dst, |
… | |
… | |
183 | |
317 | |
184 | return img; |
318 | return img; |
185 | } |
319 | } |
186 | |
320 | |
187 | static Picture |
321 | static Picture |
188 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
322 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha) |
189 | { |
323 | { |
190 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
324 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
191 | |
325 | |
192 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
326 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
193 | XRenderPictureAttributes pa; |
327 | XRenderPictureAttributes pa; |
194 | pa.repeat = True; |
328 | pa.repeat = RepeatNormal; |
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329 | pa.component_alpha = component_alpha; |
195 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
330 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa); |
196 | |
331 | |
197 | XFreePixmap (dpy, pixmap); |
332 | XFreePixmap (dpy, pixmap); |
198 | |
333 | |
199 | return mask; |
334 | return mask; |
200 | } |
335 | } |
201 | |
336 | |
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337 | static void |
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338 | extract (int32_t cl0, int32_t cl1, int32_t &c, unsigned short &xc) |
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339 | { |
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340 | int32_t x = clamp (c, cl0, cl1); |
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341 | c -= x; |
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342 | xc = x; |
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343 | } |
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344 | |
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345 | static bool |
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346 | extract (int32_t cl0, int32_t cl1, int32_t &r, int32_t &g, int32_t &b, int32_t &a, unsigned short &xr, unsigned short &xg, unsigned short &xb, unsigned short &xa) |
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347 | { |
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348 | extract (cl0, cl1, r, xr); |
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349 | extract (cl0, cl1, g, xg); |
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350 | extract (cl0, cl1, b, xb); |
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351 | extract (cl0, cl1, a, xa); |
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352 | |
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353 | return xr | xg | xb | xa; |
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354 | } |
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355 | |
202 | void |
356 | void |
203 | rxvt_img::brightness (double r, double g, double b, double a) |
357 | rxvt_img::brightness (int32_t r, int32_t g, int32_t b, int32_t a) |
204 | { |
358 | { |
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359 | unshare (); |
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360 | |
205 | Display *dpy = s->display->dpy; |
361 | Display *dpy = s->display->dpy; |
206 | Picture src = create_xrender_mask (dpy, pm, True); |
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207 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
362 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
208 | |
363 | |
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364 | // loop should not be needed for brightness, as only -1..1 makes sense |
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365 | //while (r | g | b | a) |
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366 | { |
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367 | unsigned short xr, xg, xb, xa; |
209 | XRenderColor mask_c; |
368 | XRenderColor mask_c; |
210 | mask_c.red = float_to_component (r); |
369 | |
211 | mask_c.green = float_to_component (g); |
370 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
212 | mask_c.blue = float_to_component (b); |
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213 | mask_c.alpha = float_to_component (a); |
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214 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
371 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
215 | |
372 | |
216 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
373 | if (extract (-65535, 0, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
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374 | { |
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375 | XRenderColor mask_w = { 65535, 65535, 65535, 65535 }; |
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376 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
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377 | mask_c.red = -mask_c.red; //TODO: verify that doing clamp, assign, and negation does the right thing |
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378 | mask_c.green = -mask_c.green; |
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379 | mask_c.blue = -mask_c.blue; |
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380 | mask_c.alpha = -mask_c.alpha; |
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381 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
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382 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
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383 | } |
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384 | } |
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385 | |
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386 | XRenderFreePicture (dpy, dst); |
217 | } |
387 | } |
218 | |
388 | |
219 | void |
389 | void |
220 | rxvt_img::contrast (double r, double g, double b, double a) |
390 | rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a) |
221 | { |
391 | { |
222 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
392 | if (r < 0 || g < 0 || b < 0 || a < 0) |
223 | return; |
393 | rxvt_fatal ("rxvt_img::contrast does not support negative values.\n"); |
224 | |
394 | |
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395 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
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396 | img->alloc (); |
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397 | |
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398 | { |
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399 | rxvt_color empty; |
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400 | empty.set (s, rgba (0, 0, 0, 0)); |
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401 | img->fill (empty); |
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402 | } |
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403 | |
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404 | // premultiply (yeah, these are not exact, sue me or fix it) |
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405 | r = (r * (a >> 8)) >> 8; |
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406 | g = (g * (a >> 8)) >> 8; |
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407 | b = (b * (a >> 8)) >> 8; |
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408 | |
225 | Display *dpy = s->display->dpy; |
409 | Display *dpy = s->display->dpy; |
226 | Picture src = create_xrender_mask (dpy, pm, True); |
410 | |
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411 | Picture src = src_picture (); |
227 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
412 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
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413 | Picture mul = create_xrender_mask (dpy, pm, True, True); |
228 | |
414 | |
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415 | //TODO: this operator does not yet implement some useful contrast |
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416 | while (r | g | b | a) |
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417 | { |
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418 | unsigned short xr, xg, xb, xa; |
229 | XRenderColor mask_c; |
419 | XRenderColor mask_c; |
230 | mask_c.red = float_to_component (r); |
|
|
231 | mask_c.green = float_to_component (g); |
|
|
232 | mask_c.blue = float_to_component (b); |
|
|
233 | mask_c.alpha = float_to_component (a); |
|
|
234 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
|
|
235 | |
420 | |
236 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
421 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
237 | } |
|
|
238 | |
|
|
239 | bool |
|
|
240 | rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
|
|
241 | { |
|
|
242 | Display *dpy = s->display->dpy; |
|
|
243 | |
|
|
244 | if (s->visual->c_class != TrueColor) |
|
|
245 | return false; |
|
|
246 | |
|
|
247 | uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
|
|
248 | |
|
|
249 | red_mask = (uint32_t)format->direct.redMask << format->direct.red; |
|
|
250 | green_mask = (uint32_t)format->direct.greenMask << format->direct.green; |
|
|
251 | blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue; |
|
|
252 | alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
|
|
253 | |
|
|
254 | int width_r = ecb_popcount32 (red_mask); |
|
|
255 | int width_g = ecb_popcount32 (green_mask); |
|
|
256 | int width_b = ecb_popcount32 (blue_mask); |
|
|
257 | int width_a = ecb_popcount32 (alpha_mask); |
|
|
258 | |
|
|
259 | if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
|
|
260 | return false; |
|
|
261 | |
|
|
262 | int sh_r = ecb_ctz32 (red_mask); |
|
|
263 | int sh_g = ecb_ctz32 (green_mask); |
|
|
264 | int sh_b = ecb_ctz32 (blue_mask); |
|
|
265 | int sh_a = ecb_ctz32 (alpha_mask); |
|
|
266 | |
|
|
267 | if (width > 32767 || height > 32767) |
|
|
268 | return false; |
|
|
269 | |
|
|
270 | XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, |
|
|
271 | width, height, 32, 0); |
|
|
272 | if (!ximage) |
|
|
273 | return false; |
|
|
274 | |
|
|
275 | if (height > INT_MAX / ximage->bytes_per_line |
|
|
276 | || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) |
|
|
277 | { |
|
|
278 | XDestroyImage (ximage); |
|
|
279 | return false; |
|
|
280 | } |
|
|
281 | |
|
|
282 | GC gc = XCreateGC (dpy, pm, 0, 0); |
|
|
283 | |
|
|
284 | ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
|
|
285 | |
|
|
286 | int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
|
|
287 | int channels = gdk_pixbuf_get_n_channels (pixbuf); |
|
|
288 | unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
|
|
289 | char *line = ximage->data; |
|
|
290 | |
|
|
291 | rgba c (0, 0, 0); |
|
|
292 | |
|
|
293 | if (channels == 4 && alpha_mask == 0) |
|
|
294 | { |
|
|
295 | //pix_colors[Color_bg].get (c); |
|
|
296 | //TODO |
|
|
297 | c.r = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D |
|
|
298 | c.r >>= 8; |
|
|
299 | c.g >>= 8; |
|
|
300 | c.b >>= 8; |
|
|
301 | } |
|
|
302 | |
|
|
303 | for (int y = 0; y < height; y++) |
|
|
304 | { |
|
|
305 | for (int x = 0; x < width; x++) |
|
|
306 | { |
422 | { |
307 | unsigned char *pixel = row + x * channels; |
423 | XRenderFillRectangle (dpy, PictOpSrc, mul, &mask_c, 0, 0, 1, 1); |
308 | uint32_t value; |
424 | XRenderComposite (dpy, PictOpAdd, src, mul, dst, 0, 0, 0, 0, 0, 0, w, h); |
309 | unsigned char r, g, b, a; |
|
|
310 | |
|
|
311 | if (channels == 4) |
|
|
312 | { |
|
|
313 | a = pixel[3]; |
|
|
314 | r = (pixel[0] * a + c.r * (0xff - a)) / 0xff; |
|
|
315 | g = (pixel[1] * a + c.g * (0xff - a)) / 0xff; |
|
|
316 | b = (pixel[2] * a + c.b * (0xff - a)) / 0xff; |
|
|
317 | } |
|
|
318 | else |
|
|
319 | { |
|
|
320 | a = 0xff; |
|
|
321 | r = pixel[0]; |
|
|
322 | g = pixel[1]; |
|
|
323 | b = pixel[2]; |
|
|
324 | } |
|
|
325 | |
|
|
326 | value = ((r >> (8 - width_r)) << sh_r) |
|
|
327 | | ((g >> (8 - width_g)) << sh_g) |
|
|
328 | | ((b >> (8 - width_b)) << sh_b) |
|
|
329 | | ((a >> (8 - width_a)) << sh_a); |
|
|
330 | |
|
|
331 | if (ximage->bits_per_pixel == 32) |
|
|
332 | ((uint32_t *)line)[x] = value; |
|
|
333 | else |
|
|
334 | XPutPixel (ximage, x, y, value); |
|
|
335 | } |
425 | } |
336 | |
|
|
337 | row += rowstride; |
|
|
338 | line += ximage->bytes_per_line; |
|
|
339 | } |
426 | } |
340 | |
427 | |
341 | XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height); |
428 | XRenderFreePicture (dpy, mul); |
342 | XDestroyImage (ximage); |
429 | XRenderFreePicture (dpy, dst); |
343 | XFreeGC (dpy, gc); |
430 | XRenderFreePicture (dpy, src); |
344 | |
431 | |
345 | return true; |
432 | ::swap (img->ref, ref); |
|
|
433 | ::swap (img->pm , pm ); |
|
|
434 | |
|
|
435 | delete img; |
346 | } |
436 | } |
347 | |
437 | |
348 | rxvt_img * |
438 | rxvt_img * |
349 | rxvt_img::clone () |
439 | rxvt_img::clone () |
350 | { |
440 | { |
351 | rxvt_img *img = new rxvt_img (s, format, w, h); |
441 | return new rxvt_img (*this); |
352 | |
|
|
353 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
|
|
354 | XCopyArea (s->display->dpy, pm, img->pm, gc, 0, 0, w, h, 0, 0); |
|
|
355 | XFreeGC (s->display->dpy, gc); |
|
|
356 | |
|
|
357 | return img; |
|
|
358 | } |
442 | } |
359 | |
443 | |
360 | rxvt_img * |
444 | static XRenderPictFormat * |
361 | rxvt_img::sub_rect (int x, int y, int width, int height, int repeat) |
445 | find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
362 | { |
446 | { |
363 | rxvt_img *img = new rxvt_img (s, format, width, height); |
447 | if (format->direct.alphaMask) |
|
|
448 | return format; // already has alpha |
364 | |
449 | |
|
|
450 | // try to find a suitable alpha format, one bit alpha is enough for our purposes |
|
|
451 | if (format->type == PictTypeDirect) |
|
|
452 | for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
|
|
453 | if (f->direct.alphaMask |
|
|
454 | && f->type == PictTypeDirect |
|
|
455 | && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
|
|
456 | && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
|
|
457 | && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
|
|
458 | return f; |
|
|
459 | |
|
|
460 | // should be a very good fallback |
|
|
461 | return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
|
|
462 | } |
|
|
463 | |
|
|
464 | rxvt_img * |
|
|
465 | rxvt_img::reify () |
|
|
466 | { |
|
|
467 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
|
|
468 | return clone (); |
|
|
469 | |
365 | Display *dpy = s->display->dpy; |
470 | Display *dpy = s->display->dpy; |
366 | XRenderPictureAttributes pa; |
471 | |
367 | pa.repeat = repeat; |
472 | // add an alpha channel if... |
368 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
473 | bool alpha = !format->direct.alphaMask // pixmap has none yet |
|
|
474 | && (x || y) // we need one because of non-zero offset |
|
|
475 | && repeat == RepeatNone; // and we have no good pixels to fill with |
|
|
476 | |
|
|
477 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
|
|
478 | img->alloc (); |
|
|
479 | |
|
|
480 | Picture src = src_picture (); |
369 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
481 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
370 | |
482 | |
|
|
483 | if (alpha) |
|
|
484 | { |
|
|
485 | XRenderColor rc = { 0, 0, 0, 0 }; |
|
|
486 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
|
|
487 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h); |
|
|
488 | } |
|
|
489 | else |
371 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, width, height); |
490 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
372 | |
491 | |
373 | XRenderFreePicture (dpy, src); |
492 | XRenderFreePicture (dpy, src); |
374 | XRenderFreePicture (dpy, dst); |
493 | XRenderFreePicture (dpy, dst); |
375 | |
494 | |
376 | return img; |
495 | return img; |
377 | } |
496 | } |
378 | |
497 | |
379 | rxvt_img * |
498 | rxvt_img * |
|
|
499 | rxvt_img::sub_rect (int x, int y, int width, int height) |
|
|
500 | { |
|
|
501 | rxvt_img *img = clone (); |
|
|
502 | |
|
|
503 | img->x += x; |
|
|
504 | img->y += y; |
|
|
505 | |
|
|
506 | if (w != width || h != height) |
|
|
507 | { |
|
|
508 | img->w = width; |
|
|
509 | img->h = height; |
|
|
510 | |
|
|
511 | rxvt_img *img2 = img->reify (); |
|
|
512 | delete img; |
|
|
513 | img = img2; |
|
|
514 | } |
|
|
515 | |
|
|
516 | return img; |
|
|
517 | } |
|
|
518 | |
|
|
519 | rxvt_img * |
380 | rxvt_img::transform (int new_width, int new_height, double matrix[9], int repeat) |
520 | rxvt_img::transform (int new_width, int new_height, double matrix[9]) |
381 | { |
521 | { |
382 | rxvt_img *img = new rxvt_img (s, format, new_width, new_height); |
522 | rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat); |
|
|
523 | img->alloc (); |
383 | |
524 | |
384 | Display *dpy = s->display->dpy; |
525 | Display *dpy = s->display->dpy; |
385 | XRenderPictureAttributes pa; |
526 | Picture src = src_picture (); |
386 | pa.repeat = repeat; |
|
|
387 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
|
|
388 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
527 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
389 | |
528 | |
390 | XTransform xfrm; |
529 | XTransform xfrm; |
391 | |
530 | |
392 | for (int i = 0; i < 3; ++i) |
531 | for (int i = 0; i < 3; ++i) |
393 | for (int j = 0; j < 3; ++j) |
532 | for (int j = 0; j < 3; ++j) |
394 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
533 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
395 | |
534 | |
|
|
535 | xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
|
|
536 | xfrm.matrix [1][2] -= XDoubleToFixed (y); |
|
|
537 | |
396 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
538 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
397 | XRenderSetPictureTransform (dpy, src, &xfrm); |
539 | XRenderSetPictureTransform (dpy, src, &xfrm); |
398 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
540 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
399 | |
541 | |
400 | XRenderFreePicture (dpy, src); |
542 | XRenderFreePicture (dpy, src); |
… | |
… | |
404 | } |
546 | } |
405 | |
547 | |
406 | rxvt_img * |
548 | rxvt_img * |
407 | rxvt_img::scale (int new_width, int new_height) |
549 | rxvt_img::scale (int new_width, int new_height) |
408 | { |
550 | { |
|
|
551 | if (w == new_width && h == new_height) |
|
|
552 | return clone (); |
|
|
553 | |
409 | double matrix[9] = { |
554 | double matrix[9] = { |
410 | w / (double)new_width, 0, 0, |
555 | w / (double)new_width, 0, 0, |
411 | 0, h / (double)new_height, 0, |
556 | 0, h / (double)new_height, 0, |
412 | 0, 0, 1 |
557 | 0, 0, 1 |
413 | }; |
558 | }; |
414 | |
559 | |
|
|
560 | int old_repeat_mode = repeat; |
|
|
561 | repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems |
|
|
562 | |
415 | return transform (new_width, new_height, matrix); |
563 | rxvt_img *img = transform (new_width, new_height, matrix); |
416 | } |
|
|
417 | |
564 | |
|
|
565 | repeat = old_repeat_mode; |
|
|
566 | img->repeat = repeat; |
|
|
567 | |
|
|
568 | return img; |
|
|
569 | } |
|
|
570 | |
418 | rxvt_img * |
571 | rxvt_img * |
419 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi, int repeat) |
572 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
420 | { |
573 | { |
421 | double s = sin (phi); |
574 | double s = sin (phi); |
422 | double c = cos (phi); |
575 | double c = cos (phi); |
423 | |
576 | |
424 | double matrix[9] = { |
577 | double matrix[9] = { |
425 | c, -s, -c * x + s * y + x, |
578 | c, -s, -c * x + s * y + x, |
426 | s, c, -s * x - c * y + y, |
579 | s, c, -s * x - c * y + y, |
427 | 0, 0, 1 |
580 | 0, 0, 1 |
428 | }; |
581 | }; |
429 | |
582 | |
430 | return transform (new_width, new_height, matrix, repeat); |
583 | return transform (new_width, new_height, matrix); |
431 | } |
584 | } |
432 | |
585 | |
433 | rxvt_img * |
586 | rxvt_img * |
434 | rxvt_img::convert_to (XRenderPictFormat *new_format) |
587 | rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg) |
435 | { |
588 | { |
|
|
589 | if (new_format == format) |
|
|
590 | return clone (); |
|
|
591 | |
436 | rxvt_img *img = new rxvt_img (s, new_format, w, h); |
592 | rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
|
|
593 | img->alloc (); |
437 | |
594 | |
438 | Display *dpy = s->display->dpy; |
595 | Display *dpy = s->display->dpy; |
439 | Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); |
596 | Picture src = src_picture (); |
440 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
597 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
|
|
598 | int op = PictOpSrc; |
441 | |
599 | |
|
|
600 | if (format->direct.alphaMask && !new_format->direct.alphaMask) |
|
|
601 | { |
|
|
602 | // does it have to be that complicated |
|
|
603 | rgba c; |
|
|
604 | bg.get (c); |
|
|
605 | |
|
|
606 | XRenderColor rc = { c.r, c.g, c.b, 0xffff }; |
|
|
607 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h); |
|
|
608 | |
|
|
609 | op = PictOpOver; |
|
|
610 | } |
|
|
611 | |
442 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
612 | XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
443 | |
613 | |
444 | XRenderFreePicture (dpy, src); |
614 | XRenderFreePicture (dpy, src); |
445 | XRenderFreePicture (dpy, dst); |
615 | XRenderFreePicture (dpy, dst); |
446 | |
616 | |
447 | return img; |
617 | return img; |
448 | } |
618 | } |
449 | |
619 | |
|
|
620 | rxvt_img * |
|
|
621 | rxvt_img::blend (rxvt_img *img, double factor) |
|
|
622 | { |
|
|
623 | rxvt_img *img2 = clone (); |
|
|
624 | Display *dpy = s->display->dpy; |
|
|
625 | Picture src = img->src_picture (); |
|
|
626 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
|
|
627 | Picture mask = create_xrender_mask (dpy, img->pm, False, False); |
|
|
628 | |
|
|
629 | XRenderColor mask_c; |
|
|
630 | |
|
|
631 | mask_c.alpha = float_to_component (factor); |
|
|
632 | mask_c.red = |
|
|
633 | mask_c.green = |
|
|
634 | mask_c.blue = 0; |
|
|
635 | XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); |
|
|
636 | |
|
|
637 | XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
638 | |
|
|
639 | XRenderFreePicture (dpy, src); |
|
|
640 | XRenderFreePicture (dpy, dst); |
|
|
641 | XRenderFreePicture (dpy, mask); |
|
|
642 | |
|
|
643 | return img2; |
|
|
644 | } |
|
|
645 | |
450 | #endif |
646 | #endif |
451 | |
647 | |