+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+ gradient.c for the Openbox window manager
+ Copyright (c) 2003 Ben 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 "color.h"
#include <glib.h>
static void highlight(RrPixel32 *x, RrPixel32 *y, gboolean raised);
-static void gradient_solid(RrAppearance *l, int w, int h);
-static void gradient_vertical(RrSurface *sf, int w, int h);
-static void gradient_horizontal(RrSurface *sf, int w, int h);
-static void gradient_diagonal(RrSurface *sf, int w, int h);
-static void gradient_crossdiagonal(RrSurface *sf, int w, int h);
-static void gradient_pyramid(RrSurface *sf, int inw, int inh);
-
-void RrRender(RrAppearance *a, int w, int h)
+static void gradient_solid(RrAppearance *l, 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_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)
{
RrPixel32 *data = a->surface.pixel_data;
RrPixel32 current;
- unsigned int r,g,b;
- int off, x;
+ guint r,g,b;
+ gint off, x;
switch (a->surface.grad) {
case RR_SURFACE_SOLID:
return;
}
+ 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;
+ }
+
if (a->surface.relief == RR_RELIEF_FLAT && a->surface.border) {
r = a->surface.border_color->r;
g = a->surface.border_color->g;
a->surface.relief==RR_RELIEF_RAISED);
}
}
-
- if (a->surface.interlaced) {
- int 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;
- }
-
}
static void highlight(RrPixel32 *x, RrPixel32 *y, gboolean raised)
{
- int r, g, b;
+ gint r, g, b;
RrPixel32 *up, *down;
if (raised) {
static void create_bevel_colors(RrAppearance *l)
{
- int r, g, b;
+ gint r, g, b;
/* light color */
r = l->surface.primary->r;
l->surface.bevel_dark = RrColorNew(l->inst, r, g, b);
}
-static void gradient_solid(RrAppearance *l, int w, int h)
+static void gradient_solid(RrAppearance *l, gint w, gint h)
{
RrPixel32 pix;
- int i, a, b;
+ gint i, a, b;
RrSurface *sp = &l->surface;
- int left = 0, top = 0, right = w - 1, bottom = h - 1;
+ gint left = 0, top = 0, right = w - 1, bottom = h - 1;
pix = (sp->primary->r << RrDefaultRedOffset)
+ (sp->primary->g << RrDefaultGreenOffset)
/* * * * * * * * * * * * * * GRADIENT MAGIC WOOT * * * * * * * * * * * * * * */
#define VARS(x) \
- unsigned int color##x[3]; \
- int len##x, cdelta##x[3], error##x[3] = { 0, 0, 0 }, inc##x[3]; \
+ 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) \
#define NEXT(x) \
{ \
- int i; \
+ gint i; \
for (i = 2; i >= 0; --i) { \
if (!cdelta##x[i]) continue; \
\
} \
}
-static void gradient_horizontal(RrSurface *sf, int w, int h)
+static void gradient_horizontal(RrSurface *sf, gint w, gint h)
{
- int x, y;
+ gint x, y;
RrPixel32 *data = sf->pixel_data, *datav;
RrPixel32 current;
*(data + y * w) = current;
}
-static void gradient_vertical(RrSurface *sf, int w, int h)
+static void gradient_vertical(RrSurface *sf, gint w, gint h)
{
- int x, y;
+ gint x, y;
RrPixel32 *data = sf->pixel_data;
RrPixel32 current;
}
-static void gradient_diagonal(RrSurface *sf, int w, int h)
+static void gradient_diagonal(RrSurface *sf, gint w, gint h)
{
- int x, y;
+ gint x, y;
RrPixel32 *data = sf->pixel_data;
RrColor left, right;
RrColor extracorner;
*data = COLOR(x);
}
-static void gradient_crossdiagonal(RrSurface *sf, int w, int h)
+static void gradient_crossdiagonal(RrSurface *sf, gint w, gint h)
{
- int x, y;
+ gint x, y;
RrPixel32 *data = sf->pixel_data;
RrColor left, right;
RrColor extracorner;
*data = COLOR(x);
}
-static void gradient_pyramid(RrSurface *sf, int inw, int inh)
+static void gradient_pyramid(RrSurface *sf, gint inw, gint inh)
{
- int x, y, w = (inw >> 1) + 1, h = (inh >> 1) + 1;
+ gint x, y, w = (inw >> 1) + 1, h = (inh >> 1) + 1;
RrPixel32 *data = sf->pixel_data;
RrPixel32 *end = data + inw*inh - 1;
RrPixel32 current;