#include "gradient.h"
#include "font.h"
#include "mask.h"
-#include "../kernel/openbox.h"
+#include "color.h"
+#include "image.h"
+#include "theme.h"
+#include "kernel/openbox.h"
+
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
int render_depth;
Visual *render_visual;
Colormap render_colormap;
+int render_red_offset = 0, render_green_offset = 0, render_blue_offset = 0;
+int render_red_shift, render_green_shift, render_blue_shift;
void render_startup(void)
{
if (render_depth < 8) {
XVisualInfo vinfo_template, *vinfo_return;
- // search for a TrueColor Visual... if we can't find one...
- // we will use the default visual for the screen
+ /* search for a TrueColor Visual... if we can't find one...
+ we will use the default visual for the screen */
int vinfo_nitems;
int best = -1;
for (i = 0; i < vinfo_nitems; ++i) {
if (vinfo_return[i].depth > max_depth) {
if (max_depth == 24 && vinfo_return[i].depth > 24)
- break; // prefer 24 bit over 32
+ break; /* prefer 24 bit over 32 */
max_depth = vinfo_return[i].depth;
best = i;
}
}
XFree(vinfo_return);
}
+ switch (render_visual->class) {
+ case TrueColor:
+ truecolor_startup();
+ break;
+ case PseudoColor:
+ case StaticColor:
+ case GrayScale:
+ case StaticGray:
+ pseudocolor_startup();
+ break;
+ default:
+ g_critical("unsupported visual class.\n");
+ exit(EXIT_FAILURE);
+
+ }
}
-void x_paint(Window win, Appearance *l, int x, int y, int w, int h)
+void truecolor_startup(void)
{
- int i;
- XImage *im;
+ unsigned long red_mask, green_mask, blue_mask;
+ XImage *timage = NULL;
+
+ timage = XCreateImage(ob_display, render_visual, render_depth,
+ ZPixmap, 0, NULL, 1, 1, 32, 0);
+ g_assert(timage != NULL);
+ /* find the offsets for each color in the visual's masks */
+ red_mask = timage->red_mask;
+ green_mask = timage->green_mask;
+ blue_mask = timage->blue_mask;
+
+ render_red_offset = 0;
+ render_green_offset = 0;
+ render_blue_offset = 0;
+
+ while (! (red_mask & 1)) { render_red_offset++; red_mask >>= 1; }
+ while (! (green_mask & 1)) { render_green_offset++; green_mask >>= 1; }
+ while (! (blue_mask & 1)) { render_blue_offset++; blue_mask >>= 1; }
+
+ render_red_shift = render_green_shift = render_blue_shift = 8;
+ while (red_mask) { red_mask >>= 1; render_red_shift--; }
+ while (green_mask) { green_mask >>= 1; render_green_shift--; }
+ while (blue_mask) { blue_mask >>= 1; render_blue_shift--; }
+ XFree(timage);
+}
+
+void pseudocolor_startup(void)
+{
+ XColor icolors[256];
+ int tr, tg, tb, n, r, g, b, i, incolors, ii;
+ unsigned long dev;
+ int cpc, _ncolors;
+ g_message("Initializing PseudoColor RenderControl\n");
+
+ /* determine the number of colors and the bits-per-color */
+ pseudo_bpc = 2; /* XXX THIS SHOULD BE A USER OPTION */
+ g_assert(pseudo_bpc >= 1);
+ _ncolors = 1 << (pseudo_bpc * 3);
+
+ if (_ncolors > 1 << render_depth) {
+ g_warning("PseudoRenderControl: Invalid colormap size. Resizing.\n");
+ pseudo_bpc = 1 << (render_depth/3) >> 3;
+ _ncolors = 1 << (pseudo_bpc * 3);
+ }
+
+ /* build a color cube */
+ pseudo_colors = malloc(_ncolors * sizeof(XColor));
+ cpc = 1 << pseudo_bpc; /* colors per channel */
+
+ for (n = 0, r = 0; r < cpc; r++)
+ for (g = 0; g < cpc; g++)
+ for (b = 0; b < cpc; b++, n++) {
+ tr = (int)(((float)(r)/(float)(cpc-1)) * 0xFF);
+ tg = (int)(((float)(g)/(float)(cpc-1)) * 0xFF);
+ tb = (int)(((float)(b)/(float)(cpc-1)) * 0xFF);
+ pseudo_colors[n].red = tr | tr << 8;
+ pseudo_colors[n].green = tg | tg << 8;
+ pseudo_colors[n].blue = tb | tb << 8;
+ pseudo_colors[n].flags = DoRed|DoGreen|DoBlue; /* used to track
+ allocation */
+ }
+
+ /* allocate the colors */
+ for (i = 0; i < _ncolors; i++)
+ if (!XAllocColor(ob_display, render_colormap, &pseudo_colors[i]))
+ pseudo_colors[i].flags = 0; /* mark it as unallocated */
+
+ /* try allocate any colors that failed allocation above */
+
+ /* get the allocated values from the X server (only the first 256 XXX why!?)
+ */
+ incolors = (((1 << render_depth) > 256) ? 256 : (1 << render_depth));
+ for (i = 0; i < incolors; i++)
+ icolors[i].pixel = i;
+ XQueryColors(ob_display, render_colormap, icolors, incolors);
+
+ /* try match unallocated ones */
+ for (i = 0; i < _ncolors; i++) {
+ if (!pseudo_colors[i].flags) { /* if it wasn't allocated... */
+ unsigned long closest = 0xffffffff, close = 0;
+ for (ii = 0; ii < incolors; ii++) {
+ /* find deviations */
+ r = (pseudo_colors[i].red - icolors[ii].red) & 0xff;
+ g = (pseudo_colors[i].green - icolors[ii].green) & 0xff;
+ b = (pseudo_colors[i].blue - icolors[ii].blue) & 0xff;
+ /* find a weighted absolute deviation */
+ dev = (r * r) + (g * g) + (b * b);
+
+ if (dev < closest) {
+ closest = dev;
+ close = ii;
+ }
+ }
+
+ pseudo_colors[i].red = icolors[close].red;
+ pseudo_colors[i].green = icolors[close].green;
+ pseudo_colors[i].blue = icolors[close].blue;
+ pseudo_colors[i].pixel = icolors[close].pixel;
+
+ /* try alloc this closest color, it had better succeed! */
+ if (XAllocColor(ob_display, render_colormap, &pseudo_colors[i]))
+ pseudo_colors[i].flags = DoRed|DoGreen|DoBlue; /* mark as alloced */
+ else
+ g_assert(FALSE); /* wtf has gone wrong, its already alloced for
+ chissake! */
+ }
+ }
+}
+
+void x_paint(Window win, Appearance *l)
+{
+ int i, transferred = 0, sw;
+ pixel32 *source, *dest;
Pixmap oldp;
+ int x = l->area.x;
+ int y = l->area.y;
+ int w = l->area.width;
+ int h = l->area.height;
+ Rect tarea; /* area in which to draw textures */
- if (w <= 0 || h <= 0) return;
+ if (w <= 0 || h <= 0 || x+w <= 0 || y+h <= 0) return;
g_assert(l->surface.type == Surface_Planar);
-// printf("painting window %ld\n", win);
oldp = l->pixmap; /* save to free after changing the visible pixmap */
l->pixmap = XCreatePixmap(ob_display, ob_root, x+w, y+h, render_depth);
render_colormap);
g_assert(l->xftdraw != NULL);
- if (l->surface.data.planar.pixel_data != NULL)
- g_free(l->surface.data.planar.pixel_data);
+ g_free(l->surface.data.planar.pixel_data);
l->surface.data.planar.pixel_data = g_new(pixel32, w * h);
- if (l->surface.data.planar.grad == Background_Solid)
- gradient_solid(l, x, y, w, h);
- else gradient_render(&l->surface, w, h);
-/*reduce depth here...
- also, this is not the right place for this code, it's only here so
- text rendering shows up for now.
-*/
- if (l->surface.data.planar.grad != Background_Solid) {
- im = XCreateImage(ob_display, render_visual, render_depth,
- ZPixmap, 0, NULL, w, h, 32, 0);
- g_assert(im != None);
- im->byte_order = endian;
- im->data = l->surface.data.planar.pixel_data;
- XPutImage(ob_display, l->pixmap, DefaultGC(ob_display, ob_screen),
- im, 0, 0, x, y, w, h);
- im->data = NULL;
- XDestroyImage(im);
+ if (l->surface.data.planar.grad == Background_ParentRelative) {
+ sw = l->surface.data.planar.parent->area.width;
+ source = l->surface.data.planar.parent->surface.data.planar.pixel_data
+ + l->surface.data.planar.parentx
+ + sw * l->surface.data.planar.parenty;
+ dest = l->surface.data.planar.pixel_data;
+ for (i = 0; i < h; i++, source += sw, dest += w) {
+ memcpy(dest, source, w * sizeof(pixel32));
+ }
}
+ else if (l->surface.data.planar.grad == Background_Solid)
+ gradient_solid(l, x, y, w, h);
+ else gradient_render(&l->surface, w, h);
for (i = 0; i < l->textures; i++) {
+ tarea = l->texture[i].position;
+ if (l->surface.data.planar.grad != Background_ParentRelative) {
+ if (l->surface.data.planar.relief != Flat) {
+ switch (l->surface.data.planar.bevel) {
+ case Bevel1:
+ tarea.x += 1; tarea.y += 1;
+ tarea.width -= 2; tarea.height -= 2;
+ break;
+ case Bevel2:
+ tarea.x += 2; tarea.y += 2;
+ tarea.width -= 4; tarea.height -= 4;
+ break;
+ }
+ } else if (l->surface.data.planar.border) {
+ tarea.x += 1; tarea.y += 1;
+ tarea.width -= 2; tarea.height -= 2;
+ }
+ }
+
switch (l->texture[i].type) {
case Text:
+ if (!transferred) {
+ transferred = 1;
+ if (l->surface.data.planar.grad != Background_Solid)
+ pixel32_to_pixmap(l->surface.data.planar.pixel_data,
+ l->pixmap,x,y,w,h);
+ }
if (l->xftdraw == NULL) {
l->xftdraw = XftDrawCreate(ob_display, l->pixmap,
render_visual, render_colormap);
}
- font_draw(l->xftdraw, &l->texture[i].data.text, x, y, w, h);
+ font_draw(l->xftdraw, &l->texture[i].data.text,
+ &tarea);
break;
case Bitmask:
+ if (!transferred) {
+ transferred = 1;
+ if (l->surface.data.planar.grad != Background_Solid)
+ pixel32_to_pixmap(l->surface.data.planar.pixel_data,
+ l->pixmap,x,y,w,h);
+ }
if (l->texture[i].data.mask.color->gc == None)
color_allocate_gc(l->texture[i].data.mask.color);
- mask_draw(l->pixmap, &l->texture[i].data.mask, w, h);
+ mask_draw(l->pixmap, &l->texture[i].data.mask,
+ &tarea);
+ break;
+ case RGBA:
+ image_draw(l->surface.data.planar.pixel_data,
+ &l->texture[i].data.rgba,
+ &tarea, &l->area);
break;
}
}
+
+ if (!transferred) {
+ transferred = 1;
+ if (l->surface.data.planar.grad != Background_Solid)
+ pixel32_to_pixmap(l->surface.data.planar.pixel_data, l->pixmap
+ ,x,y,w,h);
+ }
+
+
XSetWindowBackgroundPixmap(ob_display, win, l->pixmap);
XClearWindow(ob_display, win);
if (oldp != None) XFreePixmap(ob_display, oldp);
out->surface.type = type;
out->textures = numtex;
out->xftdraw = NULL;
- if (numtex) out->texture = g_new(Texture, numtex);
+ if (numtex) out->texture = g_new0(Texture, numtex);
else out->texture = NULL;
out->pixmap = None;
void appearance_free(Appearance *a)
{
- PlanarSurface *p;
- if (a->pixmap != None) XFreePixmap(ob_display, a->pixmap);
- if (a->xftdraw != NULL) XftDrawDestroy(a->xftdraw);
- if (a->textures)
- g_free(a->texture);
- if (a->surface.type == Surface_Planar) {
- p = &a->surface.data.planar;
- if (p->primary != NULL) color_free(p->primary);
- if (p->secondary != NULL) color_free(p->secondary);
- if (p->border_color != NULL) color_free(p->border_color);
- if (p->pixel_data != NULL) g_free(p->pixel_data);
+ if (a) {
+ PlanarSurface *p;
+ if (a->pixmap != None) XFreePixmap(ob_display, a->pixmap);
+ if (a->xftdraw != NULL) XftDrawDestroy(a->xftdraw);
+ if (a->textures)
+ g_free(a->texture);
+ if (a->surface.type == Surface_Planar) {
+ p = &a->surface.data.planar;
+ if (p->primary != NULL) color_free(p->primary);
+ if (p->secondary != NULL) color_free(p->secondary);
+ if (p->border_color != NULL) color_free(p->border_color);
+ if (p->pixel_data != NULL) g_free(p->pixel_data);
+ }
+ g_free(a);
+ }
+}
+
+
+void pixel32_to_pixmap(pixel32 *in, Pixmap out, int x, int y, int w, int h)
+{
+ unsigned char *scratch;
+ XImage *im = NULL;
+ im = XCreateImage(ob_display, render_visual, render_depth,
+ ZPixmap, 0, NULL, w, h, 32, 0);
+ g_assert(im != NULL);
+ im->byte_order = endian;
+/* this malloc is a complete waste of time on normal 32bpp
+ as reduce_depth just sets im->data = data and returns
+*/
+ scratch = malloc(im->width * im->height * sizeof(pixel32));
+ im->data = (char*) scratch;
+ reduce_depth(in, im);
+ XPutImage(ob_display, out, DefaultGC(ob_display, ob_screen),
+ im, 0, 0, x, y, w, h);
+ im->data = NULL;
+ XDestroyImage(im);
+ free(scratch);
+}
+
+void appearance_minsize(Appearance *l, int *w, int *h)
+{
+ int i;
+ int m;
+ *w = *h = 1;
+
+ switch (l->surface.type) {
+ case Surface_Planar:
+ if (l->surface.data.planar.relief != Flat) {
+ switch (l->surface.data.planar.bevel) {
+ case Bevel1:
+ *w = *h = 2;
+ break;
+ case Bevel2:
+ *w = *h = 4;
+ break;
+ }
+ } else if (l->surface.data.planar.border)
+ *w = *h = 2;
+
+ for (i = 0; i < l->textures; ++i) {
+ switch (l->texture[i].type) {
+ case Bitmask:
+ *w += l->texture[i].data.mask.mask->w;
+ *h += l->texture[i].data.mask.mask->h;
+ break;
+ case Text:
+ m = font_measure_string(l->texture[i].data.text.font,
+ l->texture[i].data.text.string,
+ l->texture[i].data.text.shadow,
+ l->texture[i].data.text.offset);
+ *w += m;
+ m = font_height(l->texture[i].data.text.font,
+ l->texture[i].data.text.shadow,
+ l->texture[i].data.text.offset);
+ *h += m;
+ break;
+ case RGBA:
+ *w += l->texture[i].data.rgba.width;
+ *h += l->texture[i].data.rgba.height;
+ break;
+ case NoTexture:
+ break;
+ }
+ }
+ break;
}
- g_free(a);
}