forked from AuroraMiddleware/gtk
099da4d222
2001-06-13 Alexander Larsson <alla@lysator.liu.se> * gdk/linux-fb/gdkgc-fb.c (gdk_gc_copy): Deep copy dash_list too. (_gdk_fb_gc_new): Set default cap_style before setting values.
425 lines
10 KiB
C
425 lines
10 KiB
C
#include <string.h>
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#include <stdlib.h>
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#include "gdkprivate-fb.h"
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#include "gdkgc.h"
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#include "gdkfb.h"
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#include "gdkregion-generic.h"
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typedef enum {
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GDK_GC_DIRTY_CLIP = 1 << 0,
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GDK_GC_DIRTY_TS = 1 << 1
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} GdkGCDirtyValues;
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static void gdk_fb_gc_finalize (GObject *obj);
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static void gdk_fb_gc_get_values (GdkGC *gc,
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GdkGCValues *values);
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static void gdk_fb_gc_set_values (GdkGC *gc,
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GdkGCValues *values,
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GdkGCValuesMask values_mask);
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static void gdk_fb_gc_set_dashes (GdkGC *gc,
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gint dash_offset,
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gint8 dash_list[],
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gint n);
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static gpointer parent_class = NULL;
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static void
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gdk_gc_fb_class_init (GdkGCFBClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GdkGCClass *gc_class = GDK_GC_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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object_class->finalize = gdk_fb_gc_finalize;
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gc_class->get_values = gdk_fb_gc_get_values;
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gc_class->set_values = gdk_fb_gc_set_values;
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gc_class->set_dashes = gdk_fb_gc_set_dashes;
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}
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GType
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gdk_gc_fb_get_type (void)
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{
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static GType object_type = 0;
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if (!object_type)
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{
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static const GTypeInfo object_info =
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{
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sizeof (GdkGCFBClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gdk_gc_fb_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GdkGCFBData),
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0, /* n_preallocs */
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(GInstanceInitFunc) NULL,
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};
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object_type = g_type_register_static (GDK_TYPE_GC,
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"GdkGCFB",
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&object_info,
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0);
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}
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return object_type;
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}
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GdkGC *
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_gdk_fb_gc_new (GdkDrawable *drawable,
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GdkGCValues *values,
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GdkGCValuesMask values_mask)
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{
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GdkGC *gc;
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GdkGCFBData *private;
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gc = GDK_GC (g_object_new (gdk_gc_fb_get_type (), NULL));
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private = (GdkGCFBData *)gc;
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private->depth = GDK_DRAWABLE_FBDATA (drawable)->depth;
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private->values.foreground.pixel = 255;
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private->values.foreground.red =
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private->values.foreground.green =
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private->values.foreground.blue = 65535;
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private->values.cap_style = GDK_CAP_BUTT;
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_gdk_fb_gc_calc_state (gc, _GDK_FB_GC_DEPTH);
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gdk_fb_gc_set_values (gc, values, values_mask);
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return gc;
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}
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static void
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gdk_fb_gc_finalize (GObject *obj)
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{
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GdkGC *gc = GDK_GC_P (obj);
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GdkGCFBData *private;
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private = GDK_GC_FBDATA (gc);
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if (private->clip_region)
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gdk_region_destroy (private->clip_region);
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if (private->values.clip_mask)
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gdk_pixmap_unref (private->values.clip_mask);
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if (private->values.stipple)
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gdk_pixmap_unref (private->values.stipple);
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if (private->values.tile)
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gdk_pixmap_unref (private->values.tile);
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g_free (private->dash_list);
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G_OBJECT_CLASS (parent_class)->finalize (obj);
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}
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static void
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gdk_fb_gc_get_values (GdkGC *gc,
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GdkGCValues *values)
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{
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*values = GDK_GC_FBDATA (gc)->values;
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}
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static void
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gdk_fb_gc_set_values (GdkGC *gc,
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GdkGCValues *values,
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GdkGCValuesMask values_mask)
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{
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GdkPixmap *oldpm;
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GdkFont *oldf;
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GdkGCFBData *private;
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private = GDK_GC_FBDATA (gc);
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if (values_mask & GDK_GC_FOREGROUND)
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{
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private->values.foreground = values->foreground;
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private->values_mask |= GDK_GC_FOREGROUND;
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}
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if (values_mask & GDK_GC_BACKGROUND)
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{
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private->values.background = values->background;
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private->values_mask |= GDK_GC_BACKGROUND;
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}
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if (values_mask & GDK_GC_FONT)
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{
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oldf = private->values.font;
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private->values.font = gdk_font_ref (values->font);
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private->values_mask |= GDK_GC_FONT;
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if (oldf)
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gdk_font_unref(oldf);
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}
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if (values_mask & GDK_GC_FUNCTION)
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{
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private->values.function = values->function;
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private->values_mask |= GDK_GC_FUNCTION;
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}
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if (values_mask & GDK_GC_FILL)
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{
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private->values.fill = values->fill;
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private->values_mask |= GDK_GC_FILL;
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}
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if (values_mask & GDK_GC_TILE)
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{
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oldpm = private->values.tile;
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if (values->tile)
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g_assert (GDK_DRAWABLE_IMPL_FBDATA (values->tile)->depth >= 8);
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private->values.tile = values->tile ? gdk_pixmap_ref (values->tile) : NULL;
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private->values_mask |= GDK_GC_TILE;
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if (oldpm)
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gdk_pixmap_unref (oldpm);
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}
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if (values_mask & GDK_GC_STIPPLE)
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{
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oldpm = private->values.stipple;
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if (values->stipple)
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g_assert (GDK_DRAWABLE_IMPL_FBDATA (values->stipple)->depth == 1);
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private->values.stipple = values->stipple ? gdk_pixmap_ref (values->stipple) : NULL;
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private->values_mask |= GDK_GC_STIPPLE;
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if (oldpm)
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gdk_pixmap_unref (oldpm);
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}
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if (values_mask & GDK_GC_CLIP_MASK)
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{
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oldpm = private->values.clip_mask;
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private->values.clip_mask = values->clip_mask ? gdk_pixmap_ref (values->clip_mask) : NULL;
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private->values_mask |= GDK_GC_CLIP_MASK;
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if (oldpm)
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gdk_pixmap_unref (oldpm);
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if (private->clip_region)
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{
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gdk_region_destroy (private->clip_region);
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private->clip_region = NULL;
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}
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}
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if (values_mask & GDK_GC_SUBWINDOW)
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{
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private->values.subwindow_mode = values->subwindow_mode;
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private->values_mask |= GDK_GC_SUBWINDOW;
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}
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if (values_mask & GDK_GC_TS_X_ORIGIN)
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{
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private->values.ts_x_origin = values->ts_x_origin;
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private->values_mask |= GDK_GC_TS_X_ORIGIN;
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}
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if (values_mask & GDK_GC_TS_Y_ORIGIN)
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{
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private->values.ts_y_origin = values->ts_y_origin;
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private->values_mask |= GDK_GC_TS_Y_ORIGIN;
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}
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if (values_mask & GDK_GC_CLIP_X_ORIGIN)
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{
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private->values.clip_x_origin = GDK_GC_P (gc)->clip_x_origin = values->clip_x_origin;
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private->values_mask |= GDK_GC_CLIP_X_ORIGIN;
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}
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if (values_mask & GDK_GC_CLIP_Y_ORIGIN)
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{
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private->values.clip_y_origin = GDK_GC_P(gc)->clip_y_origin = values->clip_y_origin;
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private->values_mask |= GDK_GC_CLIP_Y_ORIGIN;
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}
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if (values_mask & GDK_GC_EXPOSURES)
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{
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private->values.graphics_exposures = values->graphics_exposures;
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private->values_mask |= GDK_GC_EXPOSURES;
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}
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if (values_mask & GDK_GC_LINE_WIDTH)
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{
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private->values.line_width = values->line_width;
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private->values_mask |= GDK_GC_LINE_WIDTH;
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}
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if (values_mask & GDK_GC_LINE_STYLE)
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{
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private->values.line_style = values->line_style;
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private->values_mask |= GDK_GC_LINE_STYLE;
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}
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if (values_mask & GDK_GC_CAP_STYLE)
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{
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private->values.cap_style = values->cap_style;
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private->values_mask |= GDK_GC_CAP_STYLE;
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}
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if (values_mask & GDK_GC_JOIN_STYLE)
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{
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private->values.join_style = values->join_style;
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private->values_mask |= GDK_GC_JOIN_STYLE;
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}
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_gdk_fb_gc_calc_state (gc, values_mask);
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}
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static void
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gdk_fb_gc_set_dashes (GdkGC *gc,
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gint dash_offset,
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gint8 dash_list[],
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gint n)
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{
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GdkGCFBData *private;
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private = GDK_GC_FBDATA (gc);
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private->dash_offset = dash_offset;
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private->dash_list_len = n;
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if (n)
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{
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private->dash_list = g_realloc (private->dash_list, n);
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memcpy (private->dash_list, dash_list, n);
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}
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else
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{
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g_free (private->dash_list);
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private->dash_list = NULL;
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}
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}
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static void
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gc_unset_cmask(GdkGC *gc)
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{
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GdkGCFBData *data;
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data = GDK_GC_FBDATA (gc);
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if (data->values.clip_mask)
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{
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gdk_pixmap_unref (data->values.clip_mask);
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data->values.clip_mask = NULL;
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data->values_mask &= ~ GDK_GC_CLIP_MASK;
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}
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_gdk_fb_gc_calc_state (gc, GDK_GC_CLIP_MASK);
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}
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void
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gdk_gc_set_clip_rectangle (GdkGC *gc,
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GdkRectangle *rectangle)
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{
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GdkGC *private = (GdkGC *)gc;
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GdkGCFBData *data;
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g_return_if_fail (gc != NULL);
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data = GDK_GC_FBDATA (gc);
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if (data->clip_region)
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{
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gdk_region_destroy (data->clip_region);
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data->clip_region = NULL;
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}
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if (rectangle)
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data->clip_region = gdk_region_rectangle (rectangle);
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private->clip_x_origin = 0;
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private->clip_y_origin = 0;
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data->values.clip_x_origin = 0;
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data->values.clip_y_origin = 0;
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gc_unset_cmask (gc);
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_gdk_fb_gc_calc_state (gc, GDK_GC_CLIP_X_ORIGIN|GDK_GC_CLIP_Y_ORIGIN);
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}
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void
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gdk_gc_set_clip_region (GdkGC *gc,
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GdkRegion *region)
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{
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GdkGC *private = (GdkGC *)gc;
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GdkGCFBData *data;
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g_return_if_fail (gc != NULL);
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data = GDK_GC_FBDATA (gc);
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if (region == data->clip_region)
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return;
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if (data->clip_region)
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{
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gdk_region_destroy (data->clip_region);
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data->clip_region = NULL;
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}
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if (region)
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data->clip_region = gdk_region_copy (region);
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private->clip_x_origin = 0;
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private->clip_y_origin = 0;
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data->values.clip_x_origin = 0;
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data->values.clip_y_origin = 0;
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gc_unset_cmask (gc);
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_gdk_fb_gc_calc_state (gc, GDK_GC_CLIP_X_ORIGIN|GDK_GC_CLIP_Y_ORIGIN);
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}
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void
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gdk_gc_copy (GdkGC *dst_gc, GdkGC *src_gc)
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{
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GdkGCFBData *dst_private;
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GdkGCFBData *src_private;
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src_private = GDK_GC_FBDATA (dst_gc);
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dst_private = GDK_GC_FBDATA (dst_gc);
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g_return_if_fail (dst_gc != NULL);
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g_return_if_fail (src_gc != NULL);
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if (dst_private->clip_region)
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gdk_region_destroy (dst_private->clip_region);
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if (dst_private->values_mask & GDK_GC_FONT)
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gdk_font_unref (dst_private->values.font);
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if (dst_private->values_mask & GDK_GC_TILE)
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gdk_pixmap_unref (dst_private->values.tile);
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if (dst_private->values_mask & GDK_GC_STIPPLE)
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gdk_pixmap_unref (dst_private->values.stipple);
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if (dst_private->values_mask & GDK_GC_CLIP_MASK)
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gdk_pixmap_unref (dst_private->values.clip_mask);
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g_free (dst_private->dash_list);
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*dst_private = *src_private;
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if (dst_private->values_mask & GDK_GC_FONT)
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gdk_font_ref (dst_private->values.font);
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if (dst_private->values_mask & GDK_GC_TILE)
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gdk_pixmap_ref (dst_private->values.tile);
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if (dst_private->values_mask & GDK_GC_STIPPLE)
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gdk_pixmap_ref (dst_private->values.stipple);
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if (dst_private->values_mask & GDK_GC_CLIP_MASK)
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gdk_pixmap_ref (dst_private->values.clip_mask);
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if (dst_private->clip_region)
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dst_private->clip_region = gdk_region_copy (dst_private->clip_region);
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if (dst_private->dash_list)
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{
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dst_private->dash_list = g_malloc (dst_private->dash_list_len);
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memcpy (dst_private->dash_list,
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src_private->dash_list,
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dst_private->dash_list_len);
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}
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}
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