fix min-size calculations for lineart textures
[mikachu/openbox.git] / render / render.c
index df47d6d..2813dda 100644 (file)
@@ -2,7 +2,7 @@
 
    render.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
@@ -18,9 +18,6 @@
    See the COPYING file for a copy of the GNU General Public License.
 */
 
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-
 #include "render.h"
 #include "gradient.h"
 #include "font.h"
@@ -30,6 +27,9 @@
 #include "theme.h"
 
 #include <glib.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xft/Xft.h>
 
 #ifdef HAVE_STDLIB_H
 #  include <stdlib.h>
@@ -40,9 +40,8 @@ static void pixel_data_to_pixmap(RrAppearance *l,
 
 Pixmap RrPaintPixmap(RrAppearance *a, gint w, gint h)
 {
-    gint i, transferred = 0, sw, sh, partial_w, partial_h;
-    RrPixel32 *source, *dest;
-    Pixmap oldp;
+    gint i, transferred = 0, force_transfer = 0;
+    Pixmap oldp = None;
     RrRect tarea; /* area in which to draw textures */
     gboolean resized;
 
@@ -52,6 +51,14 @@ Pixmap RrPaintPixmap(RrAppearance *a, gint w, gint h)
         /* ob_debug("Invalid parent co-ordinates\n"); */
         return None;
     }
+
+    if (a->surface.grad == RR_SURFACE_PARENTREL &&
+        (a->surface.parentx >= a->surface.parent->w ||
+         a->surface.parenty >= a->surface.parent->h))
+    {
+        return None;
+    }
+
     resized = (a->w != w || a->h != h);
 
     oldp = a->pixmap; /* save to free after changing the visible pixmap */
@@ -69,43 +76,18 @@ Pixmap RrPaintPixmap(RrAppearance *a, gint w, gint h)
                                RrVisual(a->inst), RrColormap(a->inst));
     g_assert(a->xftdraw != NULL);
 
-    g_free(a->surface.pixel_data);
-    a->surface.pixel_data = g_new(RrPixel32, w * h);
-
-    if (a->surface.grad == RR_SURFACE_PARENTREL) {
-        g_assert (a->surface.parent);
-        g_assert (a->surface.parent->w);
-
-        sw = a->surface.parent->w;
-        sh = a->surface.parent->h;
-
-        if (a->surface.parentx >= sw || a->surface.parenty >= sh) {
-            return oldp;
-        }
-
-        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;
+    if (resized) {
+        g_free(a->surface.pixel_data);
+        a->surface.pixel_data = g_new(RrPixel32, w * h);
+    }
 
-        for (i = 0; i < partial_h; i++, source += sw, dest += w) {
-            memcpy(dest, source, partial_w * sizeof(RrPixel32));
-        }
-    } else
-        RrRender(a, w, h);
+    RrRender(a, w, h);
 
     {
         gint l, t, r, b;
         RrMargins(a, &l, &t, &r, &b);
-        RECT_SET(tarea, l, t, w - l - r, h - t - b); 
-    }       
+        RECT_SET(tarea, l, t, w - l - r, h - t - b);
+    }
 
     for (i = 0; i < a->textures; i++) {
         switch (a->texture[i].type) {
@@ -119,7 +101,7 @@ Pixmap RrPaintPixmap(RrAppearance *a, gint w, gint h)
                     pixel_data_to_pixmap(a, 0, 0, w, h);
             }
             if (a->xftdraw == NULL) {
-                a->xftdraw = XftDrawCreate(RrDisplay(a->inst), a->pixmap, 
+                a->xftdraw = XftDrawCreate(RrDisplay(a->inst), a->pixmap,
                                            RrVisual(a->inst),
                                            RrColormap(a->inst));
             }
@@ -154,14 +136,18 @@ Pixmap RrPaintPixmap(RrAppearance *a, gint w, gint h)
                         &a->texture[i].data.rgba,
                         a->w, a->h,
                         &tarea);
+            force_transfer = 1;
         break;
         }
     }
 
     if (!transferred) {
         transferred = 1;
-        if ((a->surface.grad != RR_SURFACE_SOLID) || (a->surface.interlaced))
+        if ((a->surface.grad != RR_SURFACE_SOLID) || (a->surface.interlaced) ||
+            force_transfer)
+        {
             pixel_data_to_pixmap(a, 0, 0, w, h);
+        }
     }
 
     return oldp;
@@ -185,11 +171,27 @@ RrAppearance *RrAppearanceNew(const RrInstance *inst, gint numtex)
   out = g_new0(RrAppearance, 1);
   out->inst = inst;
   out->textures = numtex;
+  out->surface.bevel_light_adjust = 128;
+  out->surface.bevel_dark_adjust = 64;
   if (numtex) out->texture = g_new0(RrTexture, numtex);
 
   return out;
 }
 
+void RrAppearanceRemoveTextures(RrAppearance *a)
+{
+    g_free(a->texture);
+    a->textures = 0;
+}
+
+void RrAppearanceAddTextures(RrAppearance *a, gint numtex)
+{
+    g_assert(a->textures == 0);
+
+    a->textures = numtex;
+    if (numtex) a->texture = g_new0(RrTexture, numtex);
+}
+
 RrAppearance *RrAppearanceCopy(RrAppearance *orig)
 {
     RrSurface *spo, *spc;
@@ -206,7 +208,7 @@ RrAppearance *RrAppearanceCopy(RrAppearance *orig)
     if (spo->primary != NULL)
         spc->primary = RrColorNew(copy->inst,
                                   spo->primary->r,
-                                  spo->primary->g, 
+                                  spo->primary->g,
                                   spo->primary->b);
     else spc->primary = NULL;
 
@@ -245,7 +247,23 @@ RrAppearance *RrAppearanceCopy(RrAppearance *orig)
                                       spo->bevel_light->b);
     else spc->bevel_light = NULL;
 
+    if (spo->split_primary != NULL)
+        spc->split_primary = RrColorNew(copy->inst,
+                                        spo->split_primary->r,
+                                        spo->split_primary->g,
+                                        spo->split_primary->b);
+    else spc->split_primary = NULL;
+
+    if (spo->split_secondary != NULL)
+        spc->split_secondary = RrColorNew(copy->inst,
+                                        spo->split_secondary->r,
+                                        spo->split_secondary->g,
+                                        spo->split_secondary->b);
+    else spc->split_secondary = NULL;
+
     spc->interlaced = spo->interlaced;
+    spc->bevel_light_adjust = spo->bevel_light_adjust;
+    spc->bevel_dark_adjust = spo->bevel_dark_adjust;
     spc->border = spo->border;
     spc->parent = NULL;
     spc->parentx = spc->parenty = 0;
@@ -286,6 +304,8 @@ void RrAppearanceFree(RrAppearance *a)
         RrColorFree(p->interlace_color);
         RrColorFree(p->bevel_dark);
         RrColorFree(p->bevel_light);
+        RrColorFree(p->split_primary);
+        RrColorFree(p->split_secondary);
         g_free(p->pixel_data);
         p->pixel_data = NULL;
         g_free(a);
@@ -340,52 +360,104 @@ void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b)
     }
 }
 
-void RrMinsize(RrAppearance *a, gint *w, gint *h)
+void RrMinSize(RrAppearance *a, gint *w, gint *h)
+{
+    *w = RrMinWidth(a);
+    *h = RrMinHeight(a);
+}
+
+gint RrMinWidth(RrAppearance *a)
 {
     gint i;
     RrSize *m;
     gint l, t, r, b;
-    *w = *h = 0;
+    gint w = 0;
+
+    RrMargins(a, &l, &t, &r, &b);
 
     for (i = 0; i < a->textures; ++i) {
         switch (a->texture[i].type) {
         case RR_TEXTURE_NONE:
             break;
         case RR_TEXTURE_MASK:
-            *w = MAX(*w, a->texture[i].data.mask.mask->width);
-            *h = MAX(*h, a->texture[i].data.mask.mask->height);
+            w = MAX(w, a->texture[i].data.mask.mask->width);
             break;
         case RR_TEXTURE_TEXT:
             m = RrFontMeasureString(a->texture[i].data.text.font,
-                                    a->texture[i].data.text.string, 
+                                    a->texture[i].data.text.string,
                                     a->texture[i].data.text.shadow_offset_x,
-                                    a->texture[i].data.text.shadow_offset_y);
-            *w = MAX(*w, m->width + 4);
-            m->height = RrFontHeight(a->texture[i].data.text.font,
-                                     a->texture[i].data.text.shadow_offset_y);
-            *h += MAX(*h, m->height);
+                                    a->texture[i].data.text.shadow_offset_y,
+                                    a->texture[i].data.text.flow,
+                                    a->texture[i].data.text.maxwidth);
+            w = MAX(w, m->width);
             g_free(m);
             break;
         case RR_TEXTURE_RGBA:
-            *w += MAX(*w, a->texture[i].data.rgba.width);
-            *h += MAX(*h, a->texture[i].data.rgba.height);
+            w += MAX(w, a->texture[i].data.rgba.width);
             break;
         case RR_TEXTURE_LINE_ART:
-            *w += MAX(*w, MAX(a->texture[i].data.lineart.x1,
-                              a->texture[i].data.lineart.x2));
-            *h += MAX(*h, MAX(a->texture[i].data.lineart.y1,
-                              a->texture[i].data.lineart.y2));
+            w = MAX(w, MAX(a->texture[i].data.lineart.x1 - l - r,
+                           a->texture[i].data.lineart.x2 - l - r));
             break;
         }
     }
 
+    w += l + r;
+
+    if (w < 1) w = 1;
+    return w;
+}
+
+gint RrMinHeight(RrAppearance *a)
+{
+    gint i;
+    gint l, t, r, b;
+    RrSize *m;
+    gint h = 0;
+
     RrMargins(a, &l, &t, &r, &b);
 
-    *w += l + r;
-    *h += t + b;
+    for (i = 0; i < a->textures; ++i) {
+        switch (a->texture[i].type) {
+        case RR_TEXTURE_NONE:
+            break;
+        case RR_TEXTURE_MASK:
+            h = MAX(h, a->texture[i].data.mask.mask->height);
+            break;
+        case RR_TEXTURE_TEXT:
+            if (a->texture[i].data.text.flow) {
+                g_assert(a->texture[i].data.text.string != NULL);
+
+                m = RrFontMeasureString
+                    (a->texture[i].data.text.font,
+                     a->texture[i].data.text.string,
+                     a->texture[i].data.text.shadow_offset_x,
+                     a->texture[i].data.text.shadow_offset_y,
+                     a->texture[i].data.text.flow,
+                     a->texture[i].data.text.maxwidth);
+                h += MAX(h, m->height);
+                g_free(m);
+            }
+            else
+                h += MAX(h,
+                         RrFontHeight
+                         (a->texture[i].data.text.font,
+                          a->texture[i].data.text.shadow_offset_y));
+            break;
+        case RR_TEXTURE_RGBA:
+            h += MAX(h, a->texture[i].data.rgba.height);
+            break;
+        case RR_TEXTURE_LINE_ART:
+            h = MAX(h, MAX(a->texture[i].data.lineart.y1 - t - b,
+                           a->texture[i].data.lineart.y2 - t - b));
+            break;
+        }
+    }
+
+    h += t + b;
 
-    if (*w < 1) *w = 1;
-    if (*h < 1) *h = 1;
+    if (h < 1) h = 1;
+    return h;
 }
 
 static void reverse_bits(gchar *c, gint n)