-#include <glib.h>
+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+ gradient.c for the Openbox window manager
+ Copyright (c) 2006 Mikael Magnusson
+ Copyright (c) 2003-2007 Dana Jansens
+ Copyright (c) 2003 Derek Foreman
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ See the COPYING file for a copy of the GNU General Public License.
+*/
+
#include "render.h"
#include "gradient.h"
-#include "../kernel/openbox.h"
#include "color.h"
+#include <glib.h>
-void gradient_render(Surface *sf, int w, int h)
+static void highlight(RrPixel32 *x, RrPixel32 *y, gboolean raised);
+static void gradient_solid(RrAppearance *l, gint w, gint h);
+static void gradient_splitvertical(RrAppearance *a, gint w, gint h);
+static void gradient_vertical(RrSurface *sf, gint w, gint h);
+static void gradient_horizontal(RrSurface *sf, gint w, gint h);
+static void gradient_mirrorhorizontal(RrSurface *sf, gint w, gint h);
+static void gradient_diagonal(RrSurface *sf, gint w, gint h);
+static void gradient_crossdiagonal(RrSurface *sf, gint w, gint h);
+static void gradient_pyramid(RrSurface *sf, gint inw, gint inh);
+
+void RrRender(RrAppearance *a, gint w, gint h)
{
- pixel32 *data = sf->data.planar.pixel_data;
- pixel32 current;
- unsigned int r,g,b;
- int off, x;
-
- switch (sf->data.planar.grad) {
- case Background_Solid: /* already handled */
- return;
- case Background_Vertical:
- gradient_vertical(sf, w, h);
- break;
- case Background_Horizontal:
- gradient_horizontal(sf, w, h);
- break;
- case Background_Diagonal:
- gradient_diagonal(sf, w, h);
- break;
- case Background_CrossDiagonal:
- gradient_crossdiagonal(sf, w, h);
- break;
- default:
- g_message("unhandled gradient\n");
- }
+ RrPixel32 *data = a->surface.pixel_data;
+ RrPixel32 current;
+ guint r,g,b;
+ gint off, x;
+
+ switch (a->surface.grad) {
+ case RR_SURFACE_SOLID:
+ gradient_solid(a, w, h);
+ break;
+ case RR_SURFACE_SPLIT_VERTICAL:
+ gradient_splitvertical(a, w, h);
+ break;
+ case RR_SURFACE_VERTICAL:
+ gradient_vertical(&a->surface, w, h);
+ break;
+ case RR_SURFACE_HORIZONTAL:
+ gradient_horizontal(&a->surface, w, h);
+ break;
+ case RR_SURFACE_MIRROR_HORIZONTAL:
+ gradient_mirrorhorizontal(&a->surface, w, h);
+ break;
+ case RR_SURFACE_DIAGONAL:
+ gradient_diagonal(&a->surface, w, h);
+ break;
+ case RR_SURFACE_CROSS_DIAGONAL:
+ gradient_crossdiagonal(&a->surface, w, h);
+ break;
+ case RR_SURFACE_PYRAMID:
+ gradient_pyramid(&a->surface, w, h);
+ break;
+ default:
+ g_assert_not_reached(); /* unhandled gradient */
+ return;
+ }
- if (sf->data.planar.relief == Flat && sf->data.planar.border) {
- r = sf->data.planar.border_color->r;
- g = sf->data.planar.border_color->g;
- b = sf->data.planar.border_color->b;
- current = (r << default_red_shift)
- + (g << default_green_shift)
- + (b << default_blue_shift);
- for (off = 0, x = 0; x < w; ++x, off++) {
- *(data + off) = current;
- *(data + off + ((h-1) * w)) = current;
+ if (a->surface.interlaced) {
+ gint i;
+ RrPixel32 *p;
+
+ r = a->surface.interlace_color->r;
+ g = a->surface.interlace_color->g;
+ b = a->surface.interlace_color->b;
+ current = (r << RrDefaultRedOffset)
+ + (g << RrDefaultGreenOffset)
+ + (b << RrDefaultBlueOffset);
+ p = data;
+ for (i = 0; i < h; i += 2, p += w)
+ for (x = 0; x < w; ++x, ++p)
+ *p = current;
}
- for (off = 0, x = 0; x < h; ++x, off++) {
- *(data + (off * w)) = current;
- *(data + (off * w) + w - 1) = current;
+
+ if (a->surface.relief == RR_RELIEF_FLAT && a->surface.border) {
+ r = a->surface.border_color->r;
+ g = a->surface.border_color->g;
+ b = a->surface.border_color->b;
+ current = (r << RrDefaultRedOffset)
+ + (g << RrDefaultGreenOffset)
+ + (b << RrDefaultBlueOffset);
+ for (off = 0, x = 0; x < w; ++x, off++) {
+ *(data + off) = current;
+ *(data + off + ((h-1) * w)) = current;
+ }
+ for (off = 0, x = 0; x < h; ++x, off++) {
+ *(data + (off * w)) = current;
+ *(data + (off * w) + w - 1) = current;
+ }
}
- }
-
- if (sf->data.planar.relief != Flat) {
- if (sf->data.planar.bevel == Bevel1) {
- for (off = 1, x = 1; x < w - 1; ++x, off++)
- highlight(data + off,
- data + off + (h-1) * w,
- sf->data.planar.relief==Raised);
- for (off = 0, x = 0; x < h; ++x, off++)
- highlight(data + off * w,
- data + off * w + w - 1,
- sf->data.planar.relief==Raised);
+
+ if (a->surface.relief != RR_RELIEF_FLAT) {
+ if (a->surface.bevel == RR_BEVEL_1) {
+ for (off = 1, x = 1; x < w - 1; ++x, off++)
+ highlight(data + off,
+ data + off + (h-1) * w,
+ a->surface.relief==RR_RELIEF_RAISED);
+ for (off = 0, x = 0; x < h; ++x, off++)
+ highlight(data + off * w,
+ data + off * w + w - 1,
+ a->surface.relief==RR_RELIEF_RAISED);
+ }
+
+ if (a->surface.bevel == RR_BEVEL_2) {
+ for (off = 2, x = 2; x < w - 2; ++x, off++)
+ highlight(data + off + w,
+ data + off + (h-2) * w,
+ a->surface.relief==RR_RELIEF_RAISED);
+ for (off = 1, x = 1; x < h-1; ++x, off++)
+ highlight(data + off * w + 1,
+ data + off * w + w - 2,
+ a->surface.relief==RR_RELIEF_RAISED);
+ }
}
+}
+
+static void highlight(RrPixel32 *x, RrPixel32 *y, gboolean raised)
+{
+ gint r, g, b;
- if (sf->data.planar.bevel == Bevel2) {
- for (off = 2, x = 2; x < w - 2; ++x, off++)
- highlight(data + off + w,
- data + off + (h-2) * w,
- sf->data.planar.relief==Raised);
- for (off = 1, x = 1; x < h-1; ++x, off++)
- highlight(data + off * w + 1,
- data + off * w + w - 2,
- sf->data.planar.relief==Raised);
+ RrPixel32 *up, *down;
+ if (raised) {
+ up = x;
+ down = y;
+ } else {
+ up = y;
+ down = x;
}
- }
+ r = (*up >> RrDefaultRedOffset) & 0xFF;
+ r += r >> 1;
+ g = (*up >> RrDefaultGreenOffset) & 0xFF;
+ g += g >> 1;
+ b = (*up >> RrDefaultBlueOffset) & 0xFF;
+ b += b >> 1;
+ if (r > 0xFF) r = 0xFF;
+ if (g > 0xFF) g = 0xFF;
+ if (b > 0xFF) b = 0xFF;
+ *up = (r << RrDefaultRedOffset) + (g << RrDefaultGreenOffset)
+ + (b << RrDefaultBlueOffset);
+
+ r = (*down >> RrDefaultRedOffset) & 0xFF;
+ r = (r >> 1) + (r >> 2);
+ g = (*down >> RrDefaultGreenOffset) & 0xFF;
+ g = (g >> 1) + (g >> 2);
+ b = (*down >> RrDefaultBlueOffset) & 0xFF;
+ b = (b >> 1) + (b >> 2);
+ *down = (r << RrDefaultRedOffset) + (g << RrDefaultGreenOffset)
+ + (b << RrDefaultBlueOffset);
}
+static void create_bevel_colors(RrAppearance *l)
+{
+ gint r, g, b;
+
+ /* light color */
+ r = l->surface.primary->r;
+ r += r >> 1;
+ g = l->surface.primary->g;
+ g += g >> 1;
+ b = l->surface.primary->b;
+ b += b >> 1;
+ if (r > 0xFF) r = 0xFF;
+ if (g > 0xFF) g = 0xFF;
+ if (b > 0xFF) b = 0xFF;
+ g_assert(!l->surface.bevel_light);
+ l->surface.bevel_light = RrColorNew(l->inst, r, g, b);
+ /* dark color */
+ r = l->surface.primary->r;
+ r = (r >> 1) + (r >> 2);
+ g = l->surface.primary->g;
+ g = (g >> 1) + (g >> 2);
+ b = l->surface.primary->b;
+ b = (b >> 1) + (b >> 2);
+ g_assert(!l->surface.bevel_dark);
+ l->surface.bevel_dark = RrColorNew(l->inst, r, g, b);
+}
-void gradient_vertical(Surface *sf, int w, int h)
+static void gradient_solid(RrAppearance *l, gint w, gint h)
{
- pixel32 *data = sf->data.planar.pixel_data;
- pixel32 current;
- float dr, dg, db;
- unsigned int r,g,b;
- int x, y;
-
- dr = (float)(sf->data.planar.secondary->r - sf->data.planar.primary->r);
- dr/= (float)h;
-
- dg = (float)(sf->data.planar.secondary->g - sf->data.planar.primary->g);
- dg/= (float)h;
-
- db = (float)(sf->data.planar.secondary->b - sf->data.planar.primary->b);
- db/= (float)h;
-
- for (y = 0; y < h; ++y) {
- r = sf->data.planar.primary->r + (int)(dr * y);
- g = sf->data.planar.primary->g + (int)(dg * y);
- b = sf->data.planar.primary->b + (int)(db * y);
- current = (r << default_red_shift)
- + (g << default_green_shift)
- + (b << default_blue_shift);
- for (x = 0; x < w; ++x, ++data)
- *data = current;
- }
+ gint i;
+ RrPixel32 pix;
+ RrPixel32 *data = l->surface.pixel_data;
+ RrSurface *sp = &l->surface;
+ gint left = 0, top = 0, right = w - 1, bottom = h - 1;
+
+ pix = (sp->primary->r << RrDefaultRedOffset)
+ + (sp->primary->g << RrDefaultGreenOffset)
+ + (sp->primary->b << RrDefaultBlueOffset);
+
+ for (i = 0; i < w * h; i++)
+ *data++ = pix;
+
+ if (sp->interlaced)
+ return;
+
+ XFillRectangle(RrDisplay(l->inst), l->pixmap, RrColorGC(sp->primary),
+ 0, 0, w, h);
+
+ switch (sp->relief) {
+ case RR_RELIEF_RAISED:
+ if (!sp->bevel_dark)
+ create_bevel_colors(l);
+
+ switch (sp->bevel) {
+ case RR_BEVEL_1:
+ XDrawLine(RrDisplay(l->inst), l->pixmap, RrColorGC(sp->bevel_dark),
+ left, bottom, right, bottom);
+ XDrawLine(RrDisplay(l->inst), l->pixmap, RrColorGC(sp->bevel_dark),
+ right, bottom, right, top);
+
+ XDrawLine(RrDisplay(l->inst), l->pixmap,RrColorGC(sp->bevel_light),
+ left, top, right, top);
+ XDrawLine(RrDisplay(l->inst), l->pixmap,RrColorGC(sp->bevel_light),
+ left, bottom, left, top);
+ break;
+ case RR_BEVEL_2:
+ XDrawLine(RrDisplay(l->inst), l->pixmap, RrColorGC(sp->bevel_dark),
+ left + 2, bottom - 1, right - 2, bottom - 1);
+ XDrawLine(RrDisplay(l->inst), l->pixmap, RrColorGC(sp->bevel_dark),
+ right - 1, bottom - 1, right - 1, top + 1);
+
+ XDrawLine(RrDisplay(l->inst), l->pixmap,RrColorGC(sp->bevel_light),
+ left + 2, top + 1, right - 2, top + 1);
+ XDrawLine(RrDisplay(l->inst), l->pixmap,RrColorGC(sp->bevel_light),
+ left + 1, bottom - 1, left + 1, top + 1);
+ break;
+ default:
+ g_assert_not_reached(); /* unhandled BevelType */
+ }
+ break;
+ case RR_RELIEF_SUNKEN:
+ if (!sp->bevel_dark)
+ create_bevel_colors(l);
+
+ switch (sp->bevel) {
+ case RR_BEVEL_1:
+ XDrawLine(RrDisplay(l->inst), l->pixmap,RrColorGC(sp->bevel_light),
+ left, bottom, right, bottom);
+ XDrawLine(RrDisplay(l->inst), l->pixmap,RrColorGC(sp->bevel_light),
+ right, bottom, right, top);
+
+ XDrawLine(RrDisplay(l->inst), l->pixmap, RrColorGC(sp->bevel_dark),
+ left, top, right, top);
+ XDrawLine(RrDisplay(l->inst), l->pixmap, RrColorGC(sp->bevel_dark),
+ left, bottom, left, top);
+ break;
+ case RR_BEVEL_2:
+ XDrawLine(RrDisplay(l->inst), l->pixmap,RrColorGC(sp->bevel_light),
+ left + 2, bottom - 1, right - 2, bottom - 1);
+ XDrawLine(RrDisplay(l->inst), l->pixmap,RrColorGC(sp->bevel_light),
+ right - 1, bottom - 1, right - 1, top + 1);
+
+ XDrawLine(RrDisplay(l->inst), l->pixmap, RrColorGC(sp->bevel_dark),
+ left + 2, top + 1, right - 2, top + 1);
+ XDrawLine(RrDisplay(l->inst), l->pixmap, RrColorGC(sp->bevel_dark),
+ left + 1, bottom - 1, left + 1, top + 1);
+ break;
+ default:
+ g_assert_not_reached(); /* unhandled BevelType */
+ }
+ break;
+ case RR_RELIEF_FLAT:
+ if (sp->border) {
+ XDrawRectangle(RrDisplay(l->inst), l->pixmap,
+ RrColorGC(sp->border_color),
+ left, top, right, bottom);
+ }
+ break;
+ default:
+ g_assert_not_reached(); /* unhandled ReliefType */
+ }
}
-void gradient_horizontal(Surface *sf, int w, int h)
+/* * * * * * * * * * * * * * GRADIENT MAGIC WOOT * * * * * * * * * * * * * * */
+
+#define VARS(x) \
+ guint color##x[3]; \
+ gint len##x, cdelta##x[3], error##x[3] = { 0, 0, 0 }, inc##x[3]; \
+ gboolean bigslope##x[3] /* color slope > 1 */
+
+#define SETUP(x, from, to, w) \
+ len##x = w; \
+ \
+ color##x[0] = from->r; \
+ color##x[1] = from->g; \
+ color##x[2] = from->b; \
+ \
+ cdelta##x[0] = to->r - from->r; \
+ cdelta##x[1] = to->g - from->g; \
+ cdelta##x[2] = to->b - from->b; \
+ \
+ if (cdelta##x[0] < 0) { \
+ cdelta##x[0] = -cdelta##x[0]; \
+ inc##x[0] = -1; \
+ } else \
+ inc##x[0] = 1; \
+ if (cdelta##x[1] < 0) { \
+ cdelta##x[1] = -cdelta##x[1]; \
+ inc##x[1] = -1; \
+ } else \
+ inc##x[1] = 1; \
+ if (cdelta##x[2] < 0) { \
+ cdelta##x[2] = -cdelta##x[2]; \
+ inc##x[2] = -1; \
+ } else \
+ inc##x[2] = 1; \
+ bigslope##x[0] = cdelta##x[0] > w;\
+ bigslope##x[1] = cdelta##x[1] > w;\
+ bigslope##x[2] = cdelta##x[2] > w
+
+#define COLOR_RR(x, c) \
+ c->r = color##x[0]; \
+ c->g = color##x[1]; \
+ c->b = color##x[2]
+
+#define COLOR(x) \
+ ((color##x[0] << RrDefaultRedOffset) + \
+ (color##x[1] << RrDefaultGreenOffset) + \
+ (color##x[2] << RrDefaultBlueOffset))
+
+#define INCREMENT(x, i) \
+ (inc##x[i])
+
+#define NEXT(x) \
+{ \
+ gint i; \
+ for (i = 2; i >= 0; --i) { \
+ if (!cdelta##x[i]) continue; \
+ \
+ if (!bigslope##x[i]) { \
+ /* Y (color) is dependant on X */ \
+ error##x[i] += cdelta##x[i]; \
+ if ((error##x[i] << 1) >= len##x) { \
+ color##x[i] += INCREMENT(x, i); \
+ error##x[i] -= len##x; \
+ } \
+ } else { \
+ /* X is dependant on Y (color) */ \
+ while (1) { \
+ color##x[i] += INCREMENT(x, i); \
+ error##x[i] += len##x; \
+ if ((error##x[i] << 1) >= cdelta##x[i]) { \
+ error##x[i] -= cdelta##x[i]; \
+ break; \
+ } \
+ } \
+ } \
+ } \
+}
+
+static void gradient_splitvertical(RrAppearance *a, gint w, gint h)
{
- pixel32 *data = sf->data.planar.pixel_data;
- pixel32 current;
- float dr, dg, db;
- unsigned int r,g,b;
- int x, y;
-
- dr = (float)(sf->data.planar.secondary->r - sf->data.planar.primary->r);
- dr/= (float)w;
-
- dg = (float)(sf->data.planar.secondary->g - sf->data.planar.primary->g);
- dg/= (float)w;
-
- db = (float)(sf->data.planar.secondary->b - sf->data.planar.primary->b);
- db/= (float)w;
-
- for (x = 0; x < w; ++x, ++data) {
- r = sf->data.planar.primary->r + (int)(dr * x);
- g = sf->data.planar.primary->g + (int)(dg * x);
- b = sf->data.planar.primary->b + (int)(db * x);
- current = (r << default_red_shift)
- + (g << default_green_shift)
- + (b << default_blue_shift);
- for (y = 0; y < h; ++y)
- *(data + y*w) = current;
- }
+ gint x, y1, y3, r, g, b;
+ RrSurface *sf = &a->surface;
+ RrPixel32 *data = sf->pixel_data;
+ RrPixel32 current;
+ RrColor *primary_light, *secondary_light;
+
+ VARS(y1);
+ VARS(y3);
+
+ r = sf->primary->r;
+ r += r >> 2;
+ g = sf->primary->g;
+ g += g >> 2;
+ b = sf->primary->b;
+ b += b >> 2;
+ if (r > 0xFF) r = 0xFF;
+ if (g > 0xFF) g = 0xFF;
+ if (b > 0xFF) b = 0xFF;
+ primary_light = RrColorNew(a->inst, r, g, b);
+
+ r = sf->secondary->r;
+ r += r >> 4;
+ g = sf->secondary->g;
+ g += g >> 4;
+ b = sf->secondary->b;
+ b += b >> 4;
+ if (r > 0xFF) r = 0xFF;
+ if (g > 0xFF) g = 0xFF;
+ if (b > 0xFF) b = 0xFF;
+ secondary_light = RrColorNew(a->inst, r, g, b);
+
+ SETUP(y1, primary_light, sf->primary, (h / 2) -1);
+ SETUP(y3, sf->secondary, secondary_light, (h / 2) -1);
+
+ for (y1 = h - 1; y1 > (h / 2) -1; --y1) { /* 0 -> h-1 */
+ current = COLOR(y1);
+ for (x = w - 1; x >= 0; --x) /* 0 -> w */
+ *(data++) = current;
+
+ NEXT(y1);
+ }
+
+
+ for (y3 = (h / 2) - 1; y3 > 0; --y3) {
+ current = COLOR(y3);
+ for (x = w - 1; x >= 0; --x)
+ *(data++) = current;
+
+ NEXT(y3);
+ }
+
+ current = COLOR(y3);
+ for (x = w - 1; x >= 0; --x) /* 0 -> w */
+ *(data++) = current;
+
+ RrColorFree(primary_light);
+ RrColorFree(secondary_light);
}
-void gradient_diagonal(Surface *sf, int w, int h)
+static void gradient_horizontal(RrSurface *sf, gint w, gint h)
{
- pixel32 *data = sf->data.planar.pixel_data;
- pixel32 current;
- float drx, dgx, dbx, dry, dgy, dby;
- unsigned int r,g,b;
- int x, y;
-
- for (y = 0; y < h; ++y) {
- drx = (float)(sf->data.planar.secondary->r - sf->data.planar.primary->r);
- dry = drx/(float)h;
- drx/= (float)w;
-
- dgx = (float)(sf->data.planar.secondary->g - sf->data.planar.primary->g);
- dgy = dgx/(float)h;
- dgx/= (float)w;
-
- dbx = (float)(sf->data.planar.secondary->b - sf->data.planar.primary->b);
- dby = dbx/(float)h;
- dbx/= (float)w;
- for (x = 0; x < w; ++x, ++data) {
- r = sf->data.planar.primary->r + ((int)(drx * x) + (int)(dry * y))/2;
- g = sf->data.planar.primary->g + ((int)(dgx * x) + (int)(dgy * y))/2;
- b = sf->data.planar.primary->b + ((int)(dbx * x) + (int)(dby * y))/2;
- current = (r << default_red_shift)
- + (g << default_green_shift)
- + (b << default_blue_shift);
- *data = current;
+ gint x, y;
+ RrPixel32 *data = sf->pixel_data, *datav;
+ RrPixel32 current;
+
+ VARS(x);
+ SETUP(x, sf->primary, sf->secondary, w);
+
+ for (x = w - 1; x > 0; --x) { /* 0 -> w-1 */
+ current = COLOR(x);
+ datav = data;
+ for (y = h - 1; y >= 0; --y) { /* 0 -> h */
+ *datav = current;
+ datav += w;
+ }
+ ++data;
+
+ NEXT(x);
}
- }
+ current = COLOR(x);
+ for (y = h - 1; y >= 0; --y) /* 0 -> h */
+ *(data + y * w) = current;
}
-void gradient_crossdiagonal(Surface *sf, int w, int h)
+static void gradient_mirrorhorizontal(RrSurface *sf, gint w, gint h)
{
- pixel32 *data = sf->data.planar.pixel_data;
- pixel32 current;
- float drx, dgx, dbx, dry, dgy, dby;
- unsigned int r,g,b;
- int x, y;
-
- for (y = 0; y < h; ++y) {
- drx = (float)(sf->data.planar.secondary->r - sf->data.planar.primary->r);
- dry = drx/(float)h;
- drx/= (float)w;
-
- dgx = (float)(sf->data.planar.secondary->g - sf->data.planar.primary->g);
- dgy = dgx/(float)h;
- dgx/= (float)w;
-
- dbx = (float)(sf->data.planar.secondary->b - sf->data.planar.primary->b);
- dby = dbx/(float)h;
- dbx/= (float)w;
- for (x = w; x > 0; --x, ++data) {
- r = sf->data.planar.primary->r + ((int)(drx * (x-1)) + (int)(dry * y))/2;
- g = sf->data.planar.primary->g + ((int)(dgx * (x-1)) + (int)(dgy * y))/2;
- b = sf->data.planar.primary->b + ((int)(dbx * (x-1)) + (int)(dby * y))/2;
- current = (r << default_red_shift)
- + (g << default_green_shift)
- + (b << default_blue_shift);
- *data = current;
+ gint x, y;
+ RrPixel32 *data = sf->pixel_data, *datav;
+ RrPixel32 current;
+
+ VARS(x);
+ SETUP(x, sf->primary, sf->secondary, w/2);
+
+ if (w > 1) {
+ for (x = w - 1; x > w/2-1; --x) { /* 0 -> w-1 */
+ current = COLOR(x);
+ datav = data;
+ for (y = h - 1; y >= 0; --y) { /* 0 -> h */
+ *datav = current;
+ datav += w;
+ }
+ ++data;
+
+ NEXT(x);
+ }
+ SETUP(x, sf->secondary, sf->primary, w/2);
+ for (x = w/2 - 1; x > 0; --x) { /* 0 -> w-1 */
+ current = COLOR(x);
+ datav = data;
+ for (y = h - 1; y >= 0; --y) { /* 0 -> h */
+ *datav = current;
+ datav += w;
+ }
+ ++data;
+
+ NEXT(x);
+ }
}
- }
+ current = COLOR(x);
+ for (y = h - 1; y >= 0; --y) /* 0 -> h */
+ *(data + y * w) = current;
}
-void highlight(pixel32 *x, pixel32 *y, gboolean raised)
+static void gradient_vertical(RrSurface *sf, gint w, gint h)
{
- int r, g, b;
-
- pixel32 *up, *down;
- if (raised) {
- up = x;
- down = y;
- } else {
- up = y;
- down = x;
- }
- r = (*up >> default_red_shift) & 0xFF;
- r += r >> 1;
- g = (*up >> default_green_shift) & 0xFF;
- g += g >> 1;
- b = (*up >> default_blue_shift) & 0xFF;
- b += b >> 1;
- if (r > 255) r = 255;
- if (g > 255) g = 255;
- if (b > 255) b = 255;
- *up = (r << default_red_shift) + (g << default_green_shift)
- + (b << default_blue_shift);
-
- r = (*down >> default_red_shift) & 0xFF;
- r = (r >> 1) + (r >> 2);
- g = (*down >> default_green_shift) & 0xFF;
- g = (g >> 1) + (g >> 2);
- b = (*down >> default_blue_shift) & 0xFF;
- b = (b >> 1) + (b >> 2);
- *down = (r << default_red_shift) + (g << default_green_shift)
- + (b << default_blue_shift);
+ gint x, y;
+ RrPixel32 *data = sf->pixel_data;
+ RrPixel32 current;
+
+ VARS(y);
+ SETUP(y, sf->primary, sf->secondary, h);
+
+ for (y = h - 1; y > 0; --y) { /* 0 -> h-1 */
+ current = COLOR(y);
+ for (x = w - 1; x >= 0; --x) /* 0 -> w */
+ *(data++) = current;
+
+ NEXT(y);
+ }
+ current = COLOR(y);
+ for (x = w - 1; x >= 0; --x) /* 0 -> w */
+ *(data++) = current;
}
-void gradient_solid(Appearance *l, int w, int h)
+
+static void gradient_diagonal(RrSurface *sf, gint w, gint h)
{
- int i;
- PlanarSurface *sp = &l->surface.data.planar;
- int left = 0, top = 0, right = w - 1, bottom = h - 1;
-
- if (sp->primary->gc == None)
- color_allocate_gc(sp->primary);
- XFillRectangle(ob_display, l->pixmap, sp->primary->gc
- , 0, 0, w, h);
-
- if (l->surface.data.planar.interlaced) {
- if (sp->secondary->gc == None)
- color_allocate_gc(sp->secondary);
- for (i = 0; i < h; i += 2)
- XDrawLine(ob_display, l->pixmap, sp->secondary->gc,
- 0, i, w, i);
- }
-/*
- switch (texture.relief()) {
- case RenderTexture::Raised:
- switch (texture.bevel()) {
- case RenderTexture::Bevel1:
- XDrawLine(ob_display, l->pixmap, texture.bevelDarkColor().gc(),
- left, bottom, right, bottom);
- XDrawLine(ob_display, l->pixmap, texture.bevelDarkColor().gc(),
- right, bottom, right, top);
-
- XDrawLine(ob_display, l->pixmap, texture.bevelLightColor().gc(),
- left, top, right, top);
- XDrawLine(ob_display, l->pixmap, texture.bevelLightColor().gc(),
- left, bottom, left, top);
- break;
- case RenderTexture::Bevel2:
- XDrawLine(ob_display, l->pixmap, texture.bevelDarkColor().gc(),
- left + 1, bottom - 2, right - 2, bottom - 2);
- XDrawLine(ob_display, l->pixmap, texture.bevelDarkColor().gc(),
- right - 2, bottom - 2, right - 2, top + 1);
-
- XDrawLine(ob_display, l->pixmap, texture.bevelLightColor().gc(),
- left + 1, top + 1, right - 2, top + 1);
- XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
- left + 1, bottom - 2, left + 1, top + 1);
- break;
- default:
- assert(false); // unhandled RenderTexture::BevelType
+ gint x, y;
+ RrPixel32 *data = sf->pixel_data;
+ RrColor left, right;
+ RrColor extracorner;
+
+ VARS(lefty);
+ VARS(righty);
+ VARS(x);
+
+ extracorner.r = (sf->primary->r + sf->secondary->r) / 2;
+ extracorner.g = (sf->primary->g + sf->secondary->g) / 2;
+ extracorner.b = (sf->primary->b + sf->secondary->b) / 2;
+
+ SETUP(lefty, sf->primary, (&extracorner), h);
+ SETUP(righty, (&extracorner), sf->secondary, h);
+
+ for (y = h - 1; y > 0; --y) { /* 0 -> h-1 */
+ COLOR_RR(lefty, (&left));
+ COLOR_RR(righty, (&right));
+
+ SETUP(x, (&left), (&right), w);
+
+ for (x = w - 1; x > 0; --x) { /* 0 -> w-1 */
+ *(data++) = COLOR(x);
+
+ NEXT(x);
+ }
+ *(data++) = COLOR(x);
+
+ NEXT(lefty);
+ NEXT(righty);
}
- break;
- case RenderTexture::Sunken:
- switch (texture.bevel()) {
- case RenderTexture::Bevel1:
- XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
- left, bottom, right, bottom);
- XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
- right, bottom, right, top);
-
- XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
- left, top, right, top);
- XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
- left, bottom, left, top);
- break;
- case RenderTexture::Bevel2:
- XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
- left + 1, bottom - 2, right - 2, bottom - 2);
- XDrawLine(**display, sf.pixmap(), texture.bevelLightColor().gc(),
- right - 2, bottom - 2, right - 2, top + 1);
-
- XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
- left + 1, top + 1, right - 2, top + 1);
- XDrawLine(**display, sf.pixmap(), texture.bevelDarkColor().gc(),
- left + 1, bottom - 2, left + 1, top + 1);
+ COLOR_RR(lefty, (&left));
+ COLOR_RR(righty, (&right));
- break;
- default:
- assert(false); // unhandled RenderTexture::BevelType
+ SETUP(x, (&left), (&right), w);
+
+ for (x = w - 1; x > 0; --x) { /* 0 -> w-1 */
+ *(data++) = COLOR(x);
+
+ NEXT(x);
}
- break;
- case RenderTexture::Flat:
- if (texture.border())
- XDrawRectangle(**display, sf.pixmap(), texture.borderColor().gc(),
- left, top, right, bottom);
- break;
- default:
- assert(false); // unhandled RenderTexture::ReliefType
- }
-*/
+ *data = COLOR(x);
}
+
+static void gradient_crossdiagonal(RrSurface *sf, gint w, gint h)
+{
+ gint x, y;
+ RrPixel32 *data = sf->pixel_data;
+ RrColor left, right;
+ RrColor extracorner;
+
+ VARS(lefty);
+ VARS(righty);
+ VARS(x);
+
+ extracorner.r = (sf->primary->r + sf->secondary->r) / 2;
+ extracorner.g = (sf->primary->g + sf->secondary->g) / 2;
+ extracorner.b = (sf->primary->b + sf->secondary->b) / 2;
+
+ SETUP(lefty, (&extracorner), sf->secondary, h);
+ SETUP(righty, sf->primary, (&extracorner), h);
+
+ for (y = h - 1; y > 0; --y) { /* 0 -> h-1 */
+ COLOR_RR(lefty, (&left));
+ COLOR_RR(righty, (&right));
+
+ SETUP(x, (&left), (&right), w);
+
+ for (x = w - 1; x > 0; --x) { /* 0 -> w-1 */
+ *(data++) = COLOR(x);
+
+ NEXT(x);
+ }
+ *(data++) = COLOR(x);
+
+ NEXT(lefty);
+ NEXT(righty);
+ }
+ COLOR_RR(lefty, (&left));
+ COLOR_RR(righty, (&right));
+
+ SETUP(x, (&left), (&right), w);
+
+ for (x = w - 1; x > 0; --x) { /* 0 -> w-1 */
+ *(data++) = COLOR(x);
+
+ NEXT(x);
+ }
+ *data = COLOR(x);
+}
+
+static void gradient_pyramid(RrSurface *sf, gint inw, gint inh)
+{
+ gint x, y, w = (inw >> 1) + 1, h = (inh >> 1) + 1;
+ RrPixel32 *data = sf->pixel_data;
+ RrPixel32 *end = data + inw*inh - 1;
+ RrPixel32 current;
+ RrColor left, right;
+ RrColor extracorner;
+
+ VARS(lefty);
+ VARS(righty);
+ VARS(x);
+
+ extracorner.r = (sf->primary->r + sf->secondary->r) / 2;
+ extracorner.g = (sf->primary->g + sf->secondary->g) / 2;
+ extracorner.b = (sf->primary->b + sf->secondary->b) / 2;
+
+ SETUP(lefty, (&extracorner), sf->secondary, h);
+ SETUP(righty, sf->primary, (&extracorner), h);
+
+ for (y = h - 1; y > 0; --y) { /* 0 -> h-1 */
+ COLOR_RR(lefty, (&left));
+ COLOR_RR(righty, (&right));
+
+ SETUP(x, (&left), (&right), w);
+
+ for (x = w - 1; x > 0; --x) { /* 0 -> w-1 */
+ current = COLOR(x);
+ *(data+x) = current;
+ *(data+inw-x) = current;
+ *(end-x) = current;
+ *(end-(inw-x)) = current;
+
+ NEXT(x);
+ }
+ current = COLOR(x);
+ *(data+x) = current;
+ *(data+inw-x) = current;
+ *(end-x) = current;
+ *(end-(inw-x)) = current;
+
+ data+=inw;
+ end-=inw;
+
+ NEXT(lefty);
+ NEXT(righty);
+ }
+ COLOR_RR(lefty, (&left));
+ COLOR_RR(righty, (&right));
+
+ SETUP(x, (&left), (&right), w);
+
+ for (x = w - 1; x > 0; --x) { /* 0 -> w-1 */
+ current = COLOR(x);
+ *(data+x) = current;
+ *(data+inw-x) = current;
+ *(end-x) = current;
+ *(end-(inw-x)) = current;
+
+ NEXT(x);
+ }
+ current = COLOR(x);
+ *(data+x) = current;
+ *(data+inw-x) = current;
+ *(end-x) = current;
+ *(end-(inw-x)) = current;
+}
+