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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 | rxvt_img * |
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55 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
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56 | { |
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57 | Display *dpy = s->display->dpy; |
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58 | |
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59 | int width = gdk_pixbuf_get_width (pb); |
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60 | int height = gdk_pixbuf_get_height (pb); |
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61 | |
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62 | if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
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63 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
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64 | |
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65 | // since we require rgb24/argb32 formats from xrender we assume |
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66 | // that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
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67 | int depth = gdk_pixbuf_get_has_alpha (pb) ? 32 : 24; |
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68 | |
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69 | int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
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70 | |
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71 | XImage xi; |
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72 | |
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73 | xi.width = width; |
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74 | xi.height = height; |
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75 | xi.xoffset = 0; |
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76 | xi.format = ZPixmap; |
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77 | xi.byte_order = ImageByteOrder (dpy); |
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78 | xi.bitmap_unit = 0; //XY only, unused |
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79 | xi.bitmap_bit_order = 0; //XY only, unused |
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80 | xi.bitmap_pad = BitmapPad (dpy); |
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81 | xi.depth = depth; |
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82 | xi.bytes_per_line = 0; |
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83 | xi.bits_per_pixel = 32; //Z only |
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84 | xi.red_mask = 0x00000000; //Z only, unused |
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85 | xi.green_mask = 0x00000000; //Z only, unused |
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86 | xi.blue_mask = 0x00000000; //Z only, unused |
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87 | xi.obdata = 0; // probably unused |
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88 | |
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89 | bool byte_order_mismatch = byte_order != xi.byte_order; |
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90 | |
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91 | if (!XInitImage (&xi)) |
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92 | rxvt_fatal ("unable to initialise ximage, please report.\n"); |
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93 | |
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94 | if (height > INT_MAX / xi.bytes_per_line) |
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95 | rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
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96 | |
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97 | xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
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98 | |
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99 | int rowstride = gdk_pixbuf_get_rowstride (pb); |
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100 | |
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101 | assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb)); |
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102 | unsigned char *row = gdk_pixbuf_get_pixels (pb); |
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103 | char *line = xi.data; |
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104 | |
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105 | for (int y = 0; y < height; y++) |
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106 | { |
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107 | unsigned char *src = row; |
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108 | uint32_t *dst = (uint32_t *)line; |
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109 | |
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110 | if (depth == 24) |
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111 | for (int x = 0; x < width; x++) |
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112 | { |
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113 | uint8_t r = *src++; |
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114 | uint8_t g = *src++; |
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115 | uint8_t b = *src++; |
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116 | |
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117 | uint32_t v = (r << 16) | (g << 8) | b; |
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118 | |
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119 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
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120 | v = ecb_bswap32 (v); |
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121 | |
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122 | *dst++ = v; |
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123 | } |
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124 | else |
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125 | for (int x = 0; x < width; x++) |
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126 | { |
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127 | uint32_t v = *(uint32_t *)src; src += 4; |
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128 | |
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129 | if (ecb_big_endian ()) |
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130 | v = ecb_bswap32 (v); |
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131 | |
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132 | v = ecb_rotl32 (v, 8); // abgr to bgra |
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133 | |
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134 | if (!byte_order_mismatch) |
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135 | v = ecb_bswap32 (v); |
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136 | |
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137 | *dst++ = v; |
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138 | } |
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139 | |
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140 | row += rowstride; |
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141 | line += xi.bytes_per_line; |
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142 | } |
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143 | |
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144 | rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height); |
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145 | img->alloc (); |
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146 | |
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147 | GC gc = XCreateGC (dpy, img->pm, 0, 0); |
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148 | XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
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149 | XFreeGC (dpy, gc); |
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150 | |
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151 | free (xi.data); |
48 | |
152 | |
49 | return img; |
153 | return img; |
50 | } |
154 | } |
51 | |
155 | |
52 | rxvt_img * |
156 | rxvt_img * |
… | |
… | |
56 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
160 | GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
57 | |
161 | |
58 | if (!pb) |
162 | if (!pb) |
59 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
163 | rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
60 | |
164 | |
61 | rxvt_img *img = new rxvt_img ( |
165 | 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 | |
166 | |
68 | img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0); |
167 | g_object_unref (pb); |
69 | |
168 | |
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169 | return img; |
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170 | } |
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171 | |
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172 | void |
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173 | rxvt_img::destroy () |
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174 | { |
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175 | if (--ref->cnt) |
70 | return img; |
176 | return; |
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177 | |
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178 | if (pm && ref->ours) |
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179 | XFreePixmap (s->display->dpy, pm); |
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180 | |
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181 | delete ref; |
71 | } |
182 | } |
72 | |
183 | |
73 | rxvt_img::~rxvt_img () |
184 | rxvt_img::~rxvt_img () |
74 | { |
185 | { |
75 | if (!shared) |
186 | destroy (); |
76 | XFreePixmap (s->display->dpy, pm); |
187 | } |
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188 | |
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189 | void |
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190 | rxvt_img::alloc () |
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191 | { |
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192 | pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth); |
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193 | ref = new pixref (w, h); |
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194 | } |
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195 | |
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196 | Picture |
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197 | rxvt_img::src_picture () |
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198 | { |
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199 | Display *dpy = s->display->dpy; |
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200 | |
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201 | XRenderPictureAttributes pa; |
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202 | pa.repeat = repeat; |
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203 | Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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204 | |
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205 | return pic; |
77 | } |
206 | } |
78 | |
207 | |
79 | void |
208 | void |
80 | rxvt_img::unshare () |
209 | rxvt_img::unshare () |
81 | { |
210 | { |
82 | if (!shared) |
211 | if (ref->cnt == 1 && ref->ours) |
83 | return; |
212 | return; |
84 | |
213 | |
85 | rxvt_img *img = clone (); |
214 | Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
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215 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
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216 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
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217 | XFreeGC (s->display->dpy, gc); |
86 | |
218 | |
87 | ::swap (pm , img->pm); |
219 | destroy (); |
88 | ::swap (shared, img->shared); |
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89 | |
220 | |
90 | delete img; |
221 | pm = pm2; |
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222 | ref = new pixref (ref->w, ref->h); |
91 | } |
223 | } |
92 | |
224 | |
93 | void |
225 | void |
94 | rxvt_img::fill (const rxvt_color &c) |
226 | rxvt_img::fill (const rxvt_color &c) |
95 | { |
227 | { |
… | |
… | |
129 | |
261 | |
130 | Display *dpy = s->display->dpy; |
262 | Display *dpy = s->display->dpy; |
131 | int size = max (rh, rv) * 2 + 1; |
263 | int size = max (rh, rv) * 2 + 1; |
132 | double *kernel = (double *)malloc (size * sizeof (double)); |
264 | double *kernel = (double *)malloc (size * sizeof (double)); |
133 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
265 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
134 | rxvt_img *img = new rxvt_img (s, format, w, h); |
266 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
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267 | img->alloc (); |
135 | |
268 | |
136 | XRenderPictureAttributes pa; |
269 | XRenderPictureAttributes pa; |
137 | |
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138 | pa.repeat = RepeatPad; |
270 | pa.repeat = RepeatPad; |
139 | Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa); |
271 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
140 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
272 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
141 | |
273 | |
142 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
274 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
143 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
275 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
144 | XFreePixmap (dpy, tmp_pm); |
276 | XFreePixmap (dpy, tmp_pm); |
145 | |
277 | |
… | |
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161 | |
293 | |
162 | size = rv * 2 + 1; |
294 | size = rv * 2 + 1; |
163 | get_gaussian_kernel (rv, size, kernel, params); |
295 | get_gaussian_kernel (rv, size, kernel, params); |
164 | ::swap (params[0], params[1]); |
296 | ::swap (params[0], params[1]); |
165 | |
297 | |
166 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
298 | XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2); |
167 | XRenderComposite (dpy, |
299 | XRenderComposite (dpy, |
168 | PictOpSrc, |
300 | PictOpSrc, |
169 | tmp, |
301 | tmp, |
170 | None, |
302 | None, |
171 | dst, |
303 | dst, |
… | |
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197 | XFreePixmap (dpy, pixmap); |
329 | XFreePixmap (dpy, pixmap); |
198 | |
330 | |
199 | return mask; |
331 | return mask; |
200 | } |
332 | } |
201 | |
333 | |
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334 | static void |
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335 | extract (int32_t cl0, int32_t cl1, int32_t &c, unsigned short &xc) |
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336 | { |
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337 | int32_t x = clamp (c, cl0, cl1); |
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338 | c -= x; |
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339 | xc = x; |
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340 | } |
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341 | |
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342 | static bool |
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343 | 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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344 | { |
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345 | extract (cl0, cl1, r, xr); |
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346 | extract (cl0, cl1, g, xg); |
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347 | extract (cl0, cl1, b, xb); |
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348 | extract (cl0, cl1, a, xa); |
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349 | |
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350 | return xr | xg | xb | xa; |
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351 | } |
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352 | |
202 | void |
353 | void |
203 | rxvt_img::brightness (double r, double g, double b, double a) |
354 | rxvt_img::brightness (int32_t r, int32_t g, int32_t b, int32_t a) |
204 | { |
355 | { |
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356 | unshare (); |
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357 | |
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358 | Display *dpy = s->display->dpy; |
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359 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
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360 | |
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361 | // loop should not be needed for brightness, as only -1..1 makes sense |
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362 | //while (r | g | b | a) |
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363 | { |
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364 | unsigned short xr, xg, xb, xa; |
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365 | XRenderColor mask_c; |
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366 | |
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367 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
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368 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
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369 | |
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370 | if (extract (-65535, 0, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
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371 | { |
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372 | XRenderColor mask_w = { 65535, 65535, 65535, 65535 }; |
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373 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
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374 | mask_c.red = -mask_c.red; //TODO: verify that doing clamp, assign, and negation does the right thing |
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375 | mask_c.green = -mask_c.green; |
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376 | mask_c.blue = -mask_c.blue; |
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377 | mask_c.alpha = -mask_c.alpha; |
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378 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
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379 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
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380 | } |
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381 | } |
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382 | |
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383 | |
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384 | XRenderFreePicture (dpy, dst); |
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385 | } |
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386 | |
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387 | void |
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388 | rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a) |
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389 | { |
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390 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
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391 | { |
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392 | rxvt_warn ("rxvt_img::contrast operation not supported on this display, RENDER extension too old.\n"); |
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393 | return; |
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394 | } |
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395 | |
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396 | unshare (); |
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397 | |
205 | Display *dpy = s->display->dpy; |
398 | Display *dpy = s->display->dpy; |
206 | Picture src = create_xrender_mask (dpy, pm, True); |
399 | Picture src = create_xrender_mask (dpy, pm, True); |
207 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
400 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
208 | |
401 | |
209 | XRenderColor mask_c; |
402 | XRenderColor mask_c; |
210 | mask_c.red = float_to_component (r); |
403 | mask_c.red = r; |
211 | mask_c.green = float_to_component (g); |
404 | mask_c.green = g; |
212 | mask_c.blue = float_to_component (b); |
405 | mask_c.blue = b; |
213 | mask_c.alpha = float_to_component (a); |
406 | mask_c.alpha = a; |
214 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
407 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
215 | |
408 | |
216 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
409 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
217 | |
410 | |
218 | XRenderFreePicture (dpy, src); |
411 | XRenderFreePicture (dpy, src); |
219 | XRenderFreePicture (dpy, dst); |
412 | XRenderFreePicture (dpy, dst); |
220 | } |
413 | } |
221 | |
414 | |
222 | void |
415 | rxvt_img * |
223 | rxvt_img::contrast (double r, double g, double b, double a) |
416 | rxvt_img::clone () |
224 | { |
417 | { |
225 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
418 | return new rxvt_img (*this); |
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419 | } |
|
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420 | |
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421 | static XRenderPictFormat * |
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422 | find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
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423 | { |
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424 | if (format->direct.alphaMask) |
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425 | return format; // already has alpha |
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426 | |
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427 | // try to find a suitable alpha format, one bit alpha is enough for our purposes |
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428 | if (format->type == PictTypeDirect) |
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429 | for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
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430 | if (f->direct.alphaMask |
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431 | && f->type == PictTypeDirect |
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432 | && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
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433 | && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
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434 | && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
226 | return; |
435 | return f; |
227 | |
436 | |
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437 | // should be a very good fallback |
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438 | return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
|
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439 | } |
|
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440 | |
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441 | rxvt_img * |
|
|
442 | rxvt_img::reify () |
|
|
443 | { |
|
|
444 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
|
|
445 | return clone (); |
|
|
446 | |
228 | Display *dpy = s->display->dpy; |
447 | Display *dpy = s->display->dpy; |
229 | Picture src = create_xrender_mask (dpy, pm, True); |
448 | |
|
|
449 | // add an alpha channel if... |
|
|
450 | bool alpha = !format->direct.alphaMask // pixmap has none yet |
|
|
451 | && (x || y) // we need one because of non-zero offset |
|
|
452 | && repeat == RepeatNone; // and we have no good pixels to fill with |
|
|
453 | |
|
|
454 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
|
|
455 | img->alloc (); |
|
|
456 | |
|
|
457 | Picture src = src_picture (); |
230 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
458 | Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
231 | |
459 | |
232 | XRenderColor mask_c; |
460 | if (alpha) |
233 | mask_c.red = float_to_component (r); |
461 | { |
234 | mask_c.green = float_to_component (g); |
462 | XRenderColor rc = { 0, 0, 0, 0 }; |
235 | mask_c.blue = float_to_component (b); |
463 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
236 | mask_c.alpha = float_to_component (a); |
464 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h); |
237 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
465 | } |
238 | |
466 | else |
239 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
467 | XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h); |
240 | |
468 | |
241 | XRenderFreePicture (dpy, src); |
469 | XRenderFreePicture (dpy, src); |
242 | XRenderFreePicture (dpy, dst); |
470 | XRenderFreePicture (dpy, dst); |
243 | } |
|
|
244 | |
471 | |
245 | bool |
|
|
246 | rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
|
|
247 | { |
|
|
248 | Display *dpy = s->display->dpy; |
|
|
249 | |
|
|
250 | if (s->visual->c_class != TrueColor) |
|
|
251 | return false; |
|
|
252 | |
|
|
253 | uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
|
|
254 | |
|
|
255 | red_mask = (uint32_t)format->direct.redMask << format->direct.red; |
|
|
256 | green_mask = (uint32_t)format->direct.greenMask << format->direct.green; |
|
|
257 | blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue; |
|
|
258 | alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
|
|
259 | |
|
|
260 | int width_r = ecb_popcount32 (red_mask); |
|
|
261 | int width_g = ecb_popcount32 (green_mask); |
|
|
262 | int width_b = ecb_popcount32 (blue_mask); |
|
|
263 | int width_a = ecb_popcount32 (alpha_mask); |
|
|
264 | |
|
|
265 | if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
|
|
266 | return false; |
|
|
267 | |
|
|
268 | int sh_r = ecb_ctz32 (red_mask); |
|
|
269 | int sh_g = ecb_ctz32 (green_mask); |
|
|
270 | int sh_b = ecb_ctz32 (blue_mask); |
|
|
271 | int sh_a = ecb_ctz32 (alpha_mask); |
|
|
272 | |
|
|
273 | if (width > 32767 || height > 32767) |
|
|
274 | return false; |
|
|
275 | |
|
|
276 | XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, |
|
|
277 | width, height, 32, 0); |
|
|
278 | if (!ximage) |
|
|
279 | return false; |
|
|
280 | |
|
|
281 | if (height > INT_MAX / ximage->bytes_per_line |
|
|
282 | || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) |
|
|
283 | { |
|
|
284 | XDestroyImage (ximage); |
|
|
285 | return false; |
|
|
286 | } |
|
|
287 | |
|
|
288 | GC gc = XCreateGC (dpy, pm, 0, 0); |
|
|
289 | |
|
|
290 | ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
|
|
291 | |
|
|
292 | int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
|
|
293 | int channels = gdk_pixbuf_get_n_channels (pixbuf); |
|
|
294 | unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
|
|
295 | char *line = ximage->data; |
|
|
296 | |
|
|
297 | rgba c (0, 0, 0); |
|
|
298 | |
|
|
299 | if (channels == 4 && alpha_mask == 0) |
|
|
300 | { |
|
|
301 | //pix_colors[Color_bg].get (c); |
|
|
302 | //TODO |
|
|
303 | c.r = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D |
|
|
304 | c.r >>= 8; |
|
|
305 | c.g >>= 8; |
|
|
306 | c.b >>= 8; |
|
|
307 | } |
|
|
308 | |
|
|
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; |
472 | return img; |
364 | } |
473 | } |
365 | |
474 | |
366 | rxvt_img * |
475 | rxvt_img * |
367 | rxvt_img::sub_rect (int x, int y, int width, int height, int repeat) |
476 | rxvt_img::sub_rect (int x, int y, int width, int height) |
368 | { |
477 | { |
|
|
478 | rxvt_img *img = clone (); |
|
|
479 | |
|
|
480 | img->x += x; |
|
|
481 | img->y += y; |
|
|
482 | |
|
|
483 | if (w != width || h != height) |
|
|
484 | { |
|
|
485 | img->w = width; |
|
|
486 | img->h = height; |
|
|
487 | |
|
|
488 | rxvt_img *img2 = img->reify (); |
|
|
489 | delete img; |
|
|
490 | img = img2; |
|
|
491 | } |
|
|
492 | |
|
|
493 | return img; |
|
|
494 | } |
|
|
495 | |
|
|
496 | rxvt_img * |
|
|
497 | rxvt_img::transform (int new_width, int new_height, double matrix[9]) |
|
|
498 | { |
369 | rxvt_img *img = new rxvt_img (s, format, width, height); |
499 | rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat); |
|
|
500 | img->alloc (); |
370 | |
501 | |
371 | Display *dpy = s->display->dpy; |
502 | Display *dpy = s->display->dpy; |
372 | XRenderPictureAttributes pa; |
503 | 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); |
504 | 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 | |
505 | |
396 | XTransform xfrm; |
506 | XTransform xfrm; |
397 | |
507 | |
398 | for (int i = 0; i < 3; ++i) |
508 | for (int i = 0; i < 3; ++i) |
399 | for (int j = 0; j < 3; ++j) |
509 | for (int j = 0; j < 3; ++j) |
400 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
510 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
401 | |
511 | |
|
|
512 | xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
|
|
513 | xfrm.matrix [1][2] -= XDoubleToFixed (y); |
|
|
514 | |
402 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
515 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
403 | XRenderSetPictureTransform (dpy, src, &xfrm); |
516 | XRenderSetPictureTransform (dpy, src, &xfrm); |
404 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
517 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
405 | |
518 | |
406 | XRenderFreePicture (dpy, src); |
519 | XRenderFreePicture (dpy, src); |
… | |
… | |
410 | } |
523 | } |
411 | |
524 | |
412 | rxvt_img * |
525 | rxvt_img * |
413 | rxvt_img::scale (int new_width, int new_height) |
526 | rxvt_img::scale (int new_width, int new_height) |
414 | { |
527 | { |
|
|
528 | if (w == new_width && h == new_height) |
|
|
529 | return clone (); |
|
|
530 | |
415 | double matrix[9] = { |
531 | double matrix[9] = { |
416 | w / (double)new_width, 0, 0, |
532 | w / (double)new_width, 0, 0, |
417 | 0, h / (double)new_height, 0, |
533 | 0, h / (double)new_height, 0, |
418 | 0, 0, 1 |
534 | 0, 0, 1 |
419 | }; |
535 | }; |
420 | |
536 | |
|
|
537 | int old_repeat_mode = repeat; |
|
|
538 | repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems |
|
|
539 | |
421 | return transform (new_width, new_height, matrix); |
540 | rxvt_img *img = transform (new_width, new_height, matrix); |
422 | } |
|
|
423 | |
541 | |
|
|
542 | repeat = old_repeat_mode; |
|
|
543 | img->repeat = repeat; |
|
|
544 | |
|
|
545 | return img; |
|
|
546 | } |
|
|
547 | |
424 | rxvt_img * |
548 | rxvt_img * |
425 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi, int repeat) |
549 | rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) |
426 | { |
550 | { |
427 | double s = sin (phi); |
551 | double s = sin (phi); |
428 | double c = cos (phi); |
552 | double c = cos (phi); |
429 | |
553 | |
430 | double matrix[9] = { |
554 | double matrix[9] = { |
431 | c, -s, -c * x + s * y + x, |
555 | c, -s, -c * x + s * y + x, |
432 | s, c, -s * x - c * y + y, |
556 | s, c, -s * x - c * y + y, |
433 | 0, 0, 1 |
557 | 0, 0, 1 |
434 | }; |
558 | }; |
435 | |
559 | |
436 | return transform (new_width, new_height, matrix, repeat); |
560 | return transform (new_width, new_height, matrix); |
437 | } |
561 | } |
438 | |
562 | |
439 | rxvt_img * |
563 | rxvt_img * |
440 | rxvt_img::convert_to (XRenderPictFormat *new_format) |
564 | rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg) |
441 | { |
565 | { |
|
|
566 | if (new_format == format) |
|
|
567 | return clone (); |
|
|
568 | |
442 | rxvt_img *img = new rxvt_img (s, new_format, w, h); |
569 | rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat); |
|
|
570 | img->alloc (); |
443 | |
571 | |
444 | Display *dpy = s->display->dpy; |
572 | Display *dpy = s->display->dpy; |
445 | Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); |
573 | Picture src = src_picture (); |
446 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
574 | Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); |
|
|
575 | int op = PictOpSrc; |
447 | |
576 | |
|
|
577 | if (format->direct.alphaMask && !new_format->direct.alphaMask) |
|
|
578 | { |
|
|
579 | // does it have to be that complicated |
|
|
580 | rgba c; |
|
|
581 | bg.get (c); |
|
|
582 | |
|
|
583 | XRenderColor rc = { c.r, c.g, c.b, 0xffff }; |
|
|
584 | XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h); |
|
|
585 | |
|
|
586 | op = PictOpOver; |
|
|
587 | } |
|
|
588 | |
448 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
589 | XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
449 | |
590 | |
450 | XRenderFreePicture (dpy, src); |
591 | XRenderFreePicture (dpy, src); |
451 | XRenderFreePicture (dpy, dst); |
592 | XRenderFreePicture (dpy, dst); |
452 | |
593 | |
453 | return img; |
594 | return img; |
… | |
… | |
456 | rxvt_img * |
597 | rxvt_img * |
457 | rxvt_img::blend (rxvt_img *img, double factor) |
598 | rxvt_img::blend (rxvt_img *img, double factor) |
458 | { |
599 | { |
459 | rxvt_img *img2 = clone (); |
600 | rxvt_img *img2 = clone (); |
460 | Display *dpy = s->display->dpy; |
601 | Display *dpy = s->display->dpy; |
461 | Picture src = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); |
602 | Picture src = img->src_picture (); |
462 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
603 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
463 | Picture mask = create_xrender_mask (dpy, img->pm, False); |
604 | Picture mask = create_xrender_mask (dpy, img->pm, False); |
464 | |
605 | |
465 | XRenderColor mask_c; |
606 | XRenderColor mask_c; |
466 | |
607 | |