--- /dev/null
+// -*- mode: C; indent-tabs-mode: nil; c-basic-offset: 2; -*-
+
+#include "../config.h"
+#include "imagecontrol.h"
+#include "timer.h"
+#include "screeninfo.h"
+#include "display.h"
+
+typedef struct CachedImage {
+ Pixmap pixmap;
+
+ unsigned int count, width, height;
+ unsigned long pixel1, pixel2, texture;
+} CachedImage;
+
+static void timeout(OtkImageControl *self);
+static void initColors(OtkImageControl *self, Visual *visual);
+
+PyObject *OtkImageControl_New(int screen)
+{
+ OtkImageControl *self;
+ int count, i;
+ XPixmapFormatValues *pmv;
+
+ self = PyObject_New(OtkImageControl, &OtkImageControl_Type);
+
+ self->screen = OtkDisplay_ScreenInfo(OBDisplay, screen);
+
+ self->timer = (OtkTimer*)OtkTimer_New((OtkTimeoutHandler)timeout, self);
+ self->timer->timeout = 300000;
+ OtkTimer_Start(self->timer);
+ self->cache_max = 200;
+
+ self->dither = True; // default value
+ self->cpc = 4; // default value
+
+ // get the BPP from the X server
+ self->bpp = 0;
+ if ((pmv = XListPixmapFormats(OBDisplay->display, &count))) {
+ for (i = 0; i < count; i++)
+ if (pmv[i].depth == self->screen->depth) {
+ self->bpp = pmv[i].bits_per_pixel;
+ break;
+ }
+ XFree(pmv);
+ }
+ if (!self->bpp) self->bpp = self->screen->depth;
+ if (self->bpp >= 24) self->dither = False; // don't need dither at >= 24 bpp
+
+ self->grad_xbuffer = self->grad_ybuffer = NULL;
+ self->grad_buffer_width = self->grad_buffer_height = 0;
+ self->sqrt_table = NULL;
+
+ initColors(self, self->screen->visual);
+
+ return (PyObject*)self;
+}
+
+static void initColors(OtkImageControl *self, Visual *visual)
+{
+ // these are not used for !TrueColor
+ self->red_offset = self->green_offset = self->blue_offset = 0;
+ // these are not used for TrueColor
+ self->colors = NULL;
+ self->ncolors = 0;
+
+ // figure out all our color settings based on the visual type
+ switch (visual->class) {
+ case TrueColor: {
+ int i;
+ unsigned long red_mask, green_mask, blue_mask;
+
+ // find the offsets for each color in the visual's masks
+ red_mask = visual->red_mask;
+ green_mask = visual->green_mask;
+ blue_mask = visual->blue_mask;
+
+ while (! (red_mask & 1)) { self->red_offset++; red_mask >>= 1; }
+ while (! (green_mask & 1)) { self->green_offset++; green_mask >>= 1; }
+ while (! (blue_mask & 1)) { self->blue_offset++; blue_mask >>= 1; }
+
+ // use the mask to determine the number of bits for each shade of color
+ // so, best case, red_mask == 0xff (255), and so each bit is a different
+ // shade!
+ self->red_bits = 255 / red_mask;
+ self->green_bits = 255 / green_mask;
+ self->blue_bits = 255 / blue_mask;
+
+ // compute color tables, based on the number of bits for each shade
+ for (i = 0; i < 256; i++) {
+ self->red_color_table[i] = i / self->red_bits;
+ self->green_color_table[i] = i / self->green_bits;
+ self->blue_color_table[i] = i / self->blue_bits;
+ }
+ break;
+ }
+/*
+ case PseudoColor:
+ case StaticColor: {
+ ncolors = self->cpc * self->cpc * self->cpc; // cpc ^ 3
+
+ if (ncolors > (1 << self->screen->depth)) {
+ self->cpc = (1 << self->screen->depth) / 3;
+ ncolors = self->cpc * self->cpc * self->cpc; // cpc ^ 3
+ }
+
+ if (self->cpc < 2 || self->ncolors > (1 << self->screen->depth)) {
+ fprintf(stderr,
+ "OtkImageControl_New: invalid colormap size %d "
+ "(%d/%d/%d) - reducing",
+ self->ncolors, self->cpc, self->cpc, self->cpc);
+
+ self->cpc = (1 << self->screen->depth) / 3;
+ }
+
+ self->colors = malloc(sizeof(XColor) * self->ncolors);
+ if (! self->colors) {
+ fprintf(stderr, "OtkImageControl_New: error allocating colormap\n");
+ exit(1);
+ }
+
+ int i = 0, ii, p, r, g, b,
+ bits = 255 / (colors_per_channel - 1);
+
+ red_bits = green_bits = blue_bits = bits;
+
+ for (i = 0; i < 256; i++)
+ red_color_table[i] = green_color_table[i] = blue_color_table[i] =
+ i / bits;
+
+ for (r = 0, i = 0; r < colors_per_channel; r++)
+ for (g = 0; g < colors_per_channel; g++)
+ for (b = 0; b < colors_per_channel; b++, i++) {
+ colors[i].red = (r * 0xffff) / (colors_per_channel - 1);
+ colors[i].green = (g * 0xffff) / (colors_per_channel - 1);
+ colors[i].blue = (b * 0xffff) / (colors_per_channel - 1);;
+ colors[i].flags = DoRed|DoGreen|DoBlue;
+ }
+
+ for (i = 0; i < ncolors; i++) {
+ if (! XAllocColor(OBDisplay::display, colormap, &colors[i])) {
+ fprintf(stderr, "couldn't alloc color %i %i %i\n",
+ colors[i].red, colors[i].green, colors[i].blue);
+ colors[i].flags = 0;
+ } else {
+ colors[i].flags = DoRed|DoGreen|DoBlue;
+ }
+ }
+
+ XColor icolors[256];
+ int incolors = (((1 << screen_depth) > 256) ? 256 : (1 << screen_depth));
+
+ for (i = 0; i < incolors; i++)
+ icolors[i].pixel = i;
+
+ XQueryColors(OBDisplay::display, colormap, icolors, incolors);
+ for (i = 0; i < ncolors; i++) {
+ if (! colors[i].flags) {
+ unsigned long chk = 0xffffffff, pixel, close = 0;
+
+ p = 2;
+ while (p--) {
+ for (ii = 0; ii < incolors; ii++) {
+ r = (colors[i].red - icolors[i].red) >> 8;
+ g = (colors[i].green - icolors[i].green) >> 8;
+ b = (colors[i].blue - icolors[i].blue) >> 8;
+ pixel = (r * r) + (g * g) + (b * b);
+
+ if (pixel < chk) {
+ chk = pixel;
+ close = ii;
+ }
+
+ colors[i].red = icolors[close].red;
+ colors[i].green = icolors[close].green;
+ colors[i].blue = icolors[close].blue;
+
+ if (XAllocColor(OBDisplay::display, colormap,
+ &colors[i])) {
+ colors[i].flags = DoRed|DoGreen|DoBlue;
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ break;
+ }
+
+ case GrayScale:
+ case StaticGray: {
+ if (visual->c_class == StaticGray) {
+ ncolors = 1 << screen_depth;
+ } else {
+ ncolors = colors_per_channel * colors_per_channel * colors_per_channel;
+
+ if (ncolors > (1 << screen_depth)) {
+ colors_per_channel = (1 << screen_depth) / 3;
+ ncolors =
+ colors_per_channel * colors_per_channel * colors_per_channel;
+ }
+ }
+
+ if (colors_per_channel < 2 || ncolors > (1 << screen_depth)) {
+ fprintf(stderr,
+ "BImageControl::BImageControl: invalid colormap size %d "
+ "(%d/%d/%d) - reducing",
+ ncolors, colors_per_channel, colors_per_channel,
+ colors_per_channel);
+
+ colors_per_channel = (1 << screen_depth) / 3;
+ }
+
+ colors = new XColor[ncolors];
+ if (! colors) {
+ fprintf(stderr,
+ "BImageControl::BImageControl: error allocating colormap\n");
+ exit(1);
+ }
+
+ int i = 0, ii, p, bits = 255 / (colors_per_channel - 1);
+ red_bits = green_bits = blue_bits = bits;
+
+ for (i = 0; i < 256; i++)
+ red_color_table[i] = green_color_table[i] = blue_color_table[i] =
+ i / bits;
+
+ for (i = 0; i < ncolors; i++) {
+ colors[i].red = (i * 0xffff) / (colors_per_channel - 1);
+ colors[i].green = (i * 0xffff) / (colors_per_channel - 1);
+ colors[i].blue = (i * 0xffff) / (colors_per_channel - 1);;
+ colors[i].flags = DoRed|DoGreen|DoBlue;
+
+ if (! XAllocColor(OBDisplay::display, colormap,
+ &colors[i])) {
+ fprintf(stderr, "couldn't alloc color %i %i %i\n",
+ colors[i].red, colors[i].green, colors[i].blue);
+ colors[i].flags = 0;
+ } else {
+ colors[i].flags = DoRed|DoGreen|DoBlue;
+ }
+ }
+
+ XColor icolors[256];
+ int incolors = (((1 << screen_depth) > 256) ? 256 :
+ (1 << screen_depth));
+
+ for (i = 0; i < incolors; i++)
+ icolors[i].pixel = i;
+
+ XQueryColors(OBDisplay::display, colormap, icolors, incolors);
+ for (i = 0; i < ncolors; i++) {
+ if (! colors[i].flags) {
+ unsigned long chk = 0xffffffff, pixel, close = 0;
+
+ p = 2;
+ while (p--) {
+ for (ii = 0; ii < incolors; ii++) {
+ int r = (colors[i].red - icolors[i].red) >> 8;
+ int g = (colors[i].green - icolors[i].green) >> 8;
+ int b = (colors[i].blue - icolors[i].blue) >> 8;
+ pixel = (r * r) + (g * g) + (b * b);
+
+ if (pixel < chk) {
+ chk = pixel;
+ close = ii;
+ }
+
+ colors[i].red = icolors[close].red;
+ colors[i].green = icolors[close].green;
+ colors[i].blue = icolors[close].blue;
+
+ if (XAllocColor(OBDisplay::display, colormap,
+ &colors[i])) {
+ colors[i].flags = DoRed|DoGreen|DoBlue;
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ break;
+ }
+*/
+ default:
+ fprintf(stderr, "OtkImageControl: unsupported visual class: %d\n",
+ visual->class);
+ exit(1);
+ }
+}
+
+
+static void timeout(OtkImageControl *self)
+{
+ (void)self;
+}
+
+
+
+static void otkimagecontrol_dealloc(OtkImageControl* self)
+{
+ Py_DECREF(self->screen);
+ Py_DECREF(self->timer);
+ PyObject_Del((PyObject*)self);
+}
+
+PyTypeObject OtkImageControl_Type = {
+ PyObject_HEAD_INIT(NULL)
+ 0,
+ "OtkImageControl",
+ sizeof(OtkImageControl),
+ 0,
+ (destructor)otkimagecontrol_dealloc, /*tp_dealloc*/
+ 0, /*tp_print*/
+ 0, /*tp_getattr*/
+ 0, /*tp_setattr*/
+ 0, /*tp_compare*/
+ 0, /*tp_repr*/
+ 0, /*tp_as_number*/
+ 0, /*tp_as_sequence*/
+ 0, /*tp_as_mapping*/
+ 0, /*tp_hash */
+};
projects / chaz / openbox / blobdiff