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a "osx" gradient, it is like horizontal but mirrors in the center

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This commit is contained in:
Mikael Magnusson 2006-08-01 20:34:35 +00:00
parent 6212b7c19b
commit 50292dbd75
3 changed files with 45 additions and 1 deletions
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41
render/gradient.c
View file

@ -27,6 +27,7 @@ static void gradient_solid(RrAppearance *l, gint w, gint h);
static void gradient_split(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_osx(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);
@ -51,6 +52,9 @@ void RrRender(RrAppearance *a, gint w, gint h)
case RR_SURFACE_HORIZONTAL:
gradient_horizontal(&a->surface, w, h);
break;
case RR_SURFACE_OSX:
gradient_osx(&a->surface, w, h);
break;
case RR_SURFACE_DIAGONAL:
gradient_diagonal(&a->surface, w, h);
break;
@ -449,6 +453,43 @@ static void gradient_horizontal(RrSurface *sf, gint w, gint h)
*(data + y * w) = current;
}
static void gradient_osx(RrSurface *sf, gint w, gint h)
{
gint x, y;
RrPixel32 *data = sf->pixel_data, *datav;
RrPixel32 current;
VARS(x);
SETUP(x, sf->primary, sf->secondary, w/2);
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;
}
static void gradient_vertical(RrSurface *sf, gint w, gint h)
{
gint x, y;

3
render/render.h
View file

@ -66,7 +66,8 @@ typedef enum {
RR_SURFACE_VERTICAL,
RR_SURFACE_DIAGONAL,
RR_SURFACE_CROSS_DIAGONAL,
RR_SURFACE_PYRAMID
RR_SURFACE_PYRAMID,
RR_SURFACE_OSX
} RrSurfaceColorType;
typedef enum {

2
render/theme.c
View file

@ -1196,6 +1196,8 @@ static void parse_appearance(gchar *tex, RrSurfaceColorType *grad,
*grad = RR_SURFACE_CROSS_DIAGONAL;
else if (strstr(tex, "pyramid") != NULL)
*grad = RR_SURFACE_PYRAMID;
else if (strstr(tex, "osx") != NULL)
*grad = RR_SURFACE_OSX;
else if (strstr(tex, "horizontal") != NULL)
*grad = RR_SURFACE_HORIZONTAL;
else if (strstr(tex, "vertical") != NULL)