X-Git-Url: https://git.brokenzipper.com/gitweb?a=blobdiff_plain;f=render%2Fgradient.c;h=94d04d258e601e83d07f60ec40613e7b2e5baa8d;hb=8349e4ca6ba679a6a43cd56a282502eacafc580d;hp=f4c9c957ba7a9d3a341a702bfb9b2f280cc6663b;hpb=e8c19d0c99930e9bc495c0bf0cbe5d94e6d8dd0f;p=chaz%2Fopenbox

diff --git a/render/gradient.c b/render/gradient.c
index f4c9c957..94d04d25 100644
--- a/render/gradient.c
+++ b/render/gradient.c
@@ -1,7 +1,8 @@
 /* -*- 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) 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
@@ -23,11 +24,12 @@
 #include <glib.h>
 
 static void highlight(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_split(RrAppearance *a, 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_osx(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);
@@ -40,11 +42,14 @@ 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;
-    case RR_SURFACE_SPLIT:
-        gradient_split(a, w, h);
+    case RR_SURFACE_SPLIT_VERTICAL:
+        gradient_splitvertical(a, w, h);
         break;
     case RR_SURFACE_VERTICAL:
         gradient_vertical(&a->surface, w, h);
@@ -52,8 +57,8 @@ 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);
+    case RR_SURFACE_MIRROR_HORIZONTAL:
+        gradient_mirrorhorizontal(&a->surface, w, h);
         break;
     case RR_SURFACE_DIAGONAL:
         gradient_diagonal(&a->surface, w, h);
@@ -189,6 +194,34 @@ static void create_bevel_colors(RrAppearance *l)
     l->surface.bevel_dark = RrColorNew(l->inst, r, g, b);
 }
 
+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;
+
+    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;
@@ -362,7 +395,7 @@ static void gradient_solid(RrAppearance *l, gint w, gint h)
     }                                                     \
 }
 
-static void gradient_split(RrAppearance *a, gint w, gint h)
+static void gradient_splitvertical(RrAppearance *a, gint w, gint h)
 {
     gint x, y1, y3, r, g, b;
     RrSurface *sf = &a->surface;
@@ -370,6 +403,9 @@ static void gradient_split(RrAppearance *a, gint w, gint h)
     RrPixel32 current;
     RrColor *primary_light, *secondary_light;
 
+    VARS(y1);
+    VARS(y3);
+
     r = sf->primary->r;
     r += r >> 2;
     g = sf->primary->g;
@@ -392,10 +428,7 @@ static void gradient_split(RrAppearance *a, gint w, gint h)
     if (b > 0xFF) b = 0xFF;
     secondary_light = RrColorNew(a->inst, r, g, b);
 
-    VARS(y1);
     SETUP(y1, primary_light, sf->primary, (h / 2) -1);
-  
-    VARS(y3);
     SETUP(y3, sf->secondary, secondary_light,  (h / 2) -1);
 
     for (y1 = h - 1; y1 > (h / 2) -1; --y1) {  /* 0 -> h-1 */
@@ -448,7 +481,7 @@ static void gradient_horizontal(RrSurface *sf, gint w, gint h)
         *(data + y * w) = current;
 }
 
-static void gradient_osx(RrSurface *sf, gint w, gint h)
+static void gradient_mirrorhorizontal(RrSurface *sf, gint w, gint h)
 {
     gint x, y;
     RrPixel32 *data = sf->pixel_data, *datav;
@@ -457,28 +490,30 @@ static void gradient_osx(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 */