X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=render%2Fgradient.c;h=63b8e94993111ac4cf7d4d14ecb8528f049d2c62;hb=73c9a0e06b0248d430aac1c2c91f44a6a9dbac04;hp=d2cb6814cc9336b792e19e9a3ce5e01807d15c1d;hpb=766e7ae9bfeb1dc0454d7b5b37296b91859831cb;p=chaz%2Fopenbox

diff --git a/render/gradient.c b/render/gradient.c
index d2cb6814..63b8e949 100644
--- a/render/gradient.c
+++ b/render/gradient.c
@@ -2,7 +2,7 @@
 
    gradient.c for the Openbox window manager
    Copyright (c) 2006        Mikael Magnusson
-   Copyright (c) 2003        Ben Jansens
+   Copyright (c) 2003-2007   Dana Jansens
    Copyright (c) 2003        Derek Foreman
 
    This program is free software; you can redistribute it and/or modify
@@ -23,7 +23,9 @@
 #include "color.h"
 #include <glib.h>
 
-static void highlight(RrPixel32 *x, RrPixel32 *y, gboolean raised);
+static void highlight(RrSurface *s, RrPixel32 *x, RrPixel32 *y,
+                      gboolean raised);
+static void gradient_parentrelative(RrAppearance *a, gint w, gint h);
 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);
@@ -41,6 +43,9 @@ void RrRender(RrAppearance *a, gint w, gint h)
     gint off, x;
 
     switch (a->surface.grad) {
+    case RR_SURFACE_PARENTREL:
+        gradient_parentrelative(a, w, h);
+        break;
     case RR_SURFACE_SOLID:
         gradient_solid(a, w, h);
         break;
@@ -69,7 +74,7 @@ void RrRender(RrAppearance *a, gint w, gint h)
         g_assert_not_reached(); /* unhandled gradient */
         return;
     }
-  
+
     if (a->surface.interlaced) {
         gint i;
         RrPixel32 *p;
@@ -106,29 +111,29 @@ void RrRender(RrAppearance *a, gint w, gint h)
     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,
+                highlight(&a->surface, 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,
+                highlight(&a->surface, 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,
+                highlight(&a->surface, 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,
+                highlight(&a->surface, data + off * w + 1,
                           data + off * w + w - 2,
                           a->surface.relief==RR_RELIEF_RAISED);
         }
     }
 }
 
-static void highlight(RrPixel32 *x, RrPixel32 *y, gboolean raised)
+static void highlight(RrSurface *s, RrPixel32 *x, RrPixel32 *y, gboolean raised)
 {
     gint r, g, b;
 
@@ -140,24 +145,25 @@ static void highlight(RrPixel32 *x, RrPixel32 *y, gboolean raised)
         up = y;
         down = x;
     }
+
     r = (*up >> RrDefaultRedOffset) & 0xFF;
-    r += r >> 1;
+    r += (r * s->bevel_light_adjust) >> 8;
     g = (*up >> RrDefaultGreenOffset) & 0xFF;
-    g += g >> 1;
+    g += (g * s->bevel_light_adjust) >> 8;
     b = (*up >> RrDefaultBlueOffset) & 0xFF;
-    b += b >> 1;
+    b += (b * s->bevel_light_adjust) >> 8;
     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);
+    r -= (r * s->bevel_dark_adjust) >> 8;
     g = (*down >> RrDefaultGreenOffset) & 0xFF;
-    g = (g >> 1) + (g >> 2);
+    g -= (g * s->bevel_dark_adjust) >> 8;
     b = (*down >> RrDefaultBlueOffset) & 0xFF;
-    b = (b >> 1) + (b >> 2);
+    b -= (b * s->bevel_dark_adjust) >> 8;
     *down = (r << RrDefaultRedOffset) + (g << RrDefaultGreenOffset)
         + (b << RrDefaultBlueOffset);
 }
@@ -168,11 +174,11 @@ static void create_bevel_colors(RrAppearance *l)
 
     /* light color */
     r = l->surface.primary->r;
-    r += r >> 1;
+    r += (r * l->surface.bevel_light_adjust) >> 8;
     g = l->surface.primary->g;
-    g += g >> 1;
+    g += (g * l->surface.bevel_light_adjust) >> 8;
     b = l->surface.primary->b;
-    b += b >> 1;
+    b += (b * l->surface.bevel_light_adjust) >> 8;
     if (r > 0xFF) r = 0xFF;
     if (g > 0xFF) g = 0xFF;
     if (b > 0xFF) b = 0xFF;
@@ -181,16 +187,67 @@ static void create_bevel_colors(RrAppearance *l)
 
     /* dark color */
     r = l->surface.primary->r;
-    r = (r >> 1) + (r >> 2);
+    r -= (r * l->surface.bevel_dark_adjust) >> 8;
     g = l->surface.primary->g;
-    g = (g >> 1) + (g >> 2);
+    g -= (g * l->surface.bevel_dark_adjust) >> 8;
     b = l->surface.primary->b;
-    b = (b >> 1) + (b >> 2);
+    b -= (b * l->surface.bevel_dark_adjust) >> 8;
     g_assert(!l->surface.bevel_dark);
     l->surface.bevel_dark = RrColorNew(l->inst, r, g, b);
 }
 
-static void gradient_solid(RrAppearance *l, gint w, gint h) 
+static void gradient_parentrelative(RrAppearance *a, gint w, gint h)
+{
+    RrPixel32 *source, *dest;
+    gint sw, sh, partial_w, partial_h, i;
+
+    g_assert (a->surface.parent);
+    g_assert (a->surface.parent->w);
+
+    sw = a->surface.parent->w;
+    sh = a->surface.parent->h;
+
+    /* This is a little hack. When a texture is parentrelative, and the same
+       area as the parent, and has a bevel, it will draw its bevel on top
+       of the parent's, amplifying it. So instead, rerender the child with
+       the parent's settings, but the child's bevel and interlace */
+    if (a->surface.relief != RR_RELIEF_FLAT &&
+        (a->surface.parent->surface.relief != RR_RELIEF_FLAT ||
+         a->surface.parent->surface.border) &&
+        !a->surface.parentx && !a->surface.parenty &&
+        sw == w && sh == h)
+    {
+        RrSurface old = a->surface;
+        a->surface = a->surface.parent->surface;
+
+        /* turn these off for the parent */
+        a->surface.relief = RR_RELIEF_FLAT;
+        a->surface.border = FALSE;
+
+        a->surface.pixel_data = old.pixel_data;
+
+        RrRender(a, w, h);
+        a->surface = old;
+    } else {
+        source = (a->surface.parent->surface.pixel_data +
+                  a->surface.parentx + sw * a->surface.parenty);
+        dest = a->surface.pixel_data;
+
+        if (a->surface.parentx + w > sw) {
+            partial_w = sw - a->surface.parentx;
+        } else partial_w = w;
+
+        if (a->surface.parenty + h > sh) {
+            partial_h = sh - a->surface.parenty;
+        } else partial_h = h;
+
+        for (i = 0; i < partial_h; i++, source += sw, dest += w) {
+            memcpy(dest, source, partial_w * sizeof(RrPixel32));
+        }
+    }
+}
+
+static void gradient_solid(RrAppearance *l, gint w, gint h)
 {
     gint i;
     RrPixel32 pix;
@@ -222,7 +279,7 @@ static void gradient_solid(RrAppearance *l, gint w, gint h)
                       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),
@@ -253,7 +310,7 @@ static void gradient_solid(RrAppearance *l, gint w, gint h)
                       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),
@@ -281,7 +338,7 @@ static void gradient_solid(RrAppearance *l, gint w, gint h)
                            left, top, right, bottom);
         }
         break;
-    default:  
+    default:
         g_assert_not_reached(); /* unhandled ReliefType */
     }
 }
@@ -365,63 +422,61 @@ static void gradient_solid(RrAppearance *l, gint w, gint h)
 
 static void gradient_splitvertical(RrAppearance *a, gint w, gint h)
 {
-    gint x, y1, y3, r, g, b;
+    gint x, y1, y2, y3;
     RrSurface *sf = &a->surface;
     RrPixel32 *data = sf->pixel_data;
     RrPixel32 current;
-    RrColor *primary_light, *secondary_light;
-
-    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);
+    gint y1sz, y2sz, y3sz;
 
     VARS(y1);
-    SETUP(y1, primary_light, sf->primary, (h / 2) -1);
-  
+    VARS(y2);
     VARS(y3);
-    SETUP(y3, sf->secondary, secondary_light,  (h / 2) -1);
 
-    for (y1 = h - 1; y1 > (h / 2) -1; --y1) {  /* 0 -> h-1 */
+    /* if h <= 5, then a 0 or 1px middle gradient.
+       if h > 5, then always a 1px middle gradient.
+    */
+    if (h <= 5) {
+        y1sz = MAX(h/2, 0);
+        y2sz = (h < 3 ? 0 : h % 2);
+        y3sz = MAX(h/2, 1);
+    }
+    else {
+        y1sz = h/2 - (1 - (h % 2));
+        y2sz = 1;
+        y3sz = h/2;
+    }
+
+    SETUP(y1, sf->split_primary, sf->primary, y1sz);
+    if (y2sz) {
+        /* setup to get the colors _in between_ these other 2 */
+        SETUP(y2, sf->primary, sf->secondary, y2sz + 2);
+        NEXT(y2); /* skip the first one, its the same as the last of y1 */
+    }
+    SETUP(y3, sf->secondary, sf->split_secondary,  y3sz);
+
+    for (y1 = y1sz; y1 > 0; --y1) {
         current = COLOR(y1);
-        for (x = w - 1; x >= 0; --x)  /* 0 -> w */
+        for (x = w - 1; x >= 0; --x)
             *(data++) = current;
 
         NEXT(y1);
     }
 
-    
-    for (y3 = (h / 2) - 1; y3 > 0; --y3) {
-        current = COLOR(y3);
+    for (y2 = y2sz; y2 > 0; --y2) {
+        current = COLOR(y2);
         for (x = w - 1; x >= 0; --x)
             *(data++) = current;
 
-        NEXT(y3);
+        NEXT(y2);
     }
 
-    current = COLOR(y3);
-    for (x = w - 1; x >= 0; --x)  /* 0 -> w */
-        *(data++) = current;
+    for (y3 = y3sz; y3 > 0; --y3) {
+        current = COLOR(y3);
+        for (x = w - 1; x >= 0; --x)
+            *(data++) = current;
 
-    RrColorFree(primary_light);
-    RrColorFree(secondary_light);
+        NEXT(y3);
+    }
 }
 
 static void gradient_horizontal(RrSurface *sf, gint w, gint h)
@@ -458,28 +513,30 @@ static void gradient_mirrorhorizontal(RrSurface *sf, gint w, gint h)
     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;
+    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;
+            NEXT(x);
         }
-        ++data;
+        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);
+            NEXT(x);
+        }
     }
     current = COLOR(x);
     for (y = h - 1; y >= 0; --y)  /* 0 -> h */
@@ -549,7 +606,7 @@ static void gradient_diagonal(RrSurface *sf, gint w, gint h)
 
     for (x = w - 1; x > 0; --x) {  /* 0 -> w-1 */
         *(data++) = COLOR(x);
-        
+
         NEXT(x);
     }
     *data = COLOR(x);
@@ -596,7 +653,7 @@ static void gradient_crossdiagonal(RrSurface *sf, gint w, gint h)
 
     for (x = w - 1; x > 0; --x) {  /* 0 -> w-1 */
         *(data++) = COLOR(x);
-        
+
         NEXT(x);
     }
     *data = COLOR(x);
@@ -660,7 +717,7 @@ static void gradient_pyramid(RrSurface *sf, gint inw, gint inh)
         *(data+inw-x) = current;
         *(end-x) = current;
         *(end-(inw-x)) = current;
-        
+
         NEXT(x);
     }
     current = COLOR(x);