*/
#include <config.h>
+#include <math.h>
#include "gdkalias.h"
#include "gdkcolor.h"
#include "gdkgc.h"
#include "gdkprivate.h"
#include "gdkscreen.h"
+/* This is for P_() ... a bit non-kosher, but works fine */
+#include "gtk/gtkintl.h"
+
#define GDK_INFO_KEY "gdk-info"
-typedef struct _GdkPangoContextInfo GdkPangoContextInfo;
+/* We have various arrays indexed by render part; if PangoRenderPart
+ * is extended, we want to make sure not to overwrite the end of
+ * those arrays.
+ */
+#define MAX_RENDER_PART PANGO_RENDER_PART_STRIKETHROUGH
-struct _GdkPangoContextInfo
+struct _GdkPangoRendererPrivate
{
- GdkColormap *colormap;
+ GdkScreen *screen;
+
+ /* GdkPangoRenderer specific state */
+ PangoColor override_color[MAX_RENDER_PART + 1];
+ gboolean override_color_set[MAX_RENDER_PART + 1];
+
+ GdkBitmap *stipple[MAX_RENDER_PART + 1];
+ gboolean embossed;
+
+ /* When switching between the normal and shadow copies when
+ * drawing shadows we can get unexpected recursion into the
+ * drawing functions; the 'in_emboss' flag guards against that.
+ */
+ gboolean in_emboss;
+
+ /* Current target */
+ GdkDrawable *drawable;
+ GdkGC *base_gc;
+
+ /* Cached GC, derived from base_gc */
+ GdkGC *gc;
+ PangoColor gc_color;
+ gboolean gc_color_set;
+ GdkBitmap *gc_stipple;
+
+ /* we accumulate trapezoids for the same PangoRenderPart */
+ GArray *trapezoids;
+ PangoRenderPart trapezoid_part;
};
static PangoAttrType gdk_pango_attr_stipple_type;
static PangoAttrType gdk_pango_attr_embossed_type;
-static void gdk_pango_get_item_properties (PangoItem *item,
- PangoUnderline *uline,
- gboolean *strikethrough,
- gint *rise,
- PangoColor *fg_color,
- gboolean *fg_set,
- PangoColor *bg_color,
- gboolean *bg_set,
- gboolean *embossed,
- GdkBitmap **stipple,
- gboolean *shape_set,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect);
+static void flush_trapezoids (GdkPangoRenderer *gdk_renderer);
+
+enum {
+ PROP_0,
+ PROP_SCREEN
+};
+
+G_DEFINE_TYPE (GdkPangoRenderer, gdk_pango_renderer, PANGO_TYPE_RENDERER)
static void
-gdk_pango_context_destroy (GdkPangoContextInfo *info)
+gdk_pango_renderer_finalize (GObject *object)
{
- if (info->colormap)
- g_object_unref (info->colormap);
- g_free (info);
+ GdkPangoRenderer *gdk_renderer = GDK_PANGO_RENDERER (object);
+ GdkPangoRendererPrivate *priv = gdk_renderer->priv;
+ int i;
+
+ if (priv->gc)
+ g_object_unref (priv->gc);
+ if (priv->gc_stipple)
+ g_object_unref (priv->gc_stipple);
+ if (priv->base_gc)
+ g_object_unref (priv->base_gc);
+ if (priv->drawable)
+ g_object_unref (priv->drawable);
+
+ for (i = 0; i <= MAX_RENDER_PART; i++)
+ if (priv->stipple[i])
+ g_object_unref (priv->stipple[i]);
+
+ g_array_free (priv->trapezoids, TRUE);
+
+ G_OBJECT_CLASS (gdk_pango_renderer_parent_class)->finalize (object);
}
-static GdkPangoContextInfo *
-gdk_pango_context_get_info (PangoContext *context, gboolean create)
+static GObject*
+gdk_pango_renderer_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_params)
{
- GdkPangoContextInfo *info =
- g_object_get_qdata (G_OBJECT (context),
- g_quark_try_string (GDK_INFO_KEY));
- if (!info && create)
+ GObject *object;
+ GdkPangoRenderer *gdk_renderer;
+
+ object = (* G_OBJECT_CLASS (gdk_pango_renderer_parent_class)->constructor) (type,
+ n_construct_properties,
+ construct_params);
+
+ gdk_renderer = GDK_PANGO_RENDERER (object);
+
+ if (!gdk_renderer->priv->screen)
{
- info = g_new (GdkPangoContextInfo, 1);
- info->colormap = NULL;
+ g_warning ("Screen must be specified at construct time for GdkPangoRenderer");
+ gdk_renderer->priv->screen = gdk_screen_get_default ();
+ }
- g_object_set_qdata_full (G_OBJECT (context),
- g_quark_from_static_string (GDK_INFO_KEY),
- info, (GDestroyNotify)gdk_pango_context_destroy);
+ return object;
+}
+
+/* Adjusts matrix and color for the renderer to draw the secondar
+ * "shadow" copy for embossed text */
+static void
+emboss_renderer (PangoRenderer *renderer,
+ PangoRenderPart part,
+ PangoMatrix **save_matrix,
+ PangoColor **save_color)
+{
+ GdkPangoRendererPrivate *priv = GDK_PANGO_RENDERER(renderer)->priv;
+ static const PangoColor white = { 0xffff, 0xffff, 0xffff };
+ PangoMatrix tmp_matrix = PANGO_MATRIX_INIT;
+
+ priv->in_emboss = TRUE;
+
+ *save_color = pango_renderer_get_color (renderer, part);
+ if (*save_color)
+ *save_color = pango_color_copy (*save_color);
+
+ *save_matrix = renderer->matrix;
+ if (*save_matrix)
+ {
+ *save_matrix = pango_matrix_copy (*save_matrix);
+ tmp_matrix = **save_matrix;
}
+
+ /* The gymnastics here to adjust the matrix are because we want
+ * to offset by +1,+1 in device-space, not in user-space,
+ * so we can't just draw the layout at x + 1, y + 1
+ */
+ tmp_matrix.x0 += 1;
+ tmp_matrix.y0 += 1;
+
+ pango_renderer_set_matrix (renderer, &tmp_matrix);
+ pango_renderer_set_color (renderer, part, &white);
+}
- return info;
+/* Restores from emboss_renderer() */
+static void
+unemboss_renderer (PangoRenderer *renderer,
+ PangoRenderPart part,
+ PangoMatrix **save_matrix,
+ PangoColor **save_color)
+{
+ GdkPangoRendererPrivate *priv = GDK_PANGO_RENDERER(renderer)->priv;
+ pango_renderer_set_matrix (renderer, *save_matrix);
+ pango_renderer_set_color (renderer, part, *save_color);
+
+ if (*save_matrix)
+ pango_matrix_free (*save_matrix);
+ if (*save_color)
+ pango_color_free (*save_color);
+
+ priv->in_emboss = FALSE;
}
+/* Gets the GC for drawing @part. This make involve copying the base GC
+ * for the renderer, in which case we keep a one-GC cache. */
static GdkGC *
-gdk_pango_get_gc (GdkDrawable *drawable,
- PangoContext *context,
- PangoColor *fg_color,
- GdkBitmap *stipple,
- GdkGC *base_gc)
+get_gc (GdkPangoRenderer *gdk_renderer,
+ PangoRenderPart part)
+{
+ PangoRenderer *renderer = PANGO_RENDERER (gdk_renderer);
+ PangoColor *color;
+ GdkBitmap *stipple;
+ GdkPangoRendererPrivate *priv = gdk_renderer->priv;
+
+ color = pango_renderer_get_color (renderer, part);
+
+ if (part <= MAX_RENDER_PART)
+ stipple = priv->stipple[part];
+ else
+ stipple = NULL;
+
+ if (!color && !stipple) /* nothing override, use base_gc */
+ return priv->base_gc;
+ else
+ {
+ gboolean new_stipple = FALSE;
+ gboolean new_color = FALSE;
+
+ if (stipple != priv->gc_stipple)
+ new_stipple = TRUE;
+
+ if ((priv->gc_color_set && !color) ||
+ (!priv->gc_color_set && color) ||
+ priv->gc_color.red != color->red ||
+ priv->gc_color.green != color->green ||
+ priv->gc_color.blue != color->blue)
+ new_color = TRUE;
+
+ if (!priv->gc)
+ {
+ priv->gc = gdk_gc_new (priv->drawable);
+ gdk_gc_copy (priv->gc, priv->base_gc);
+ }
+ else if (new_color && priv->gc_color_set && !color)
+ {
+ /* We have to recopy the original GC onto the cached GC
+ * to get the default color */
+ new_stipple = TRUE;
+ gdk_gc_copy (priv->gc, priv->base_gc);
+ }
+ else if (new_stipple && priv->gc_stipple && !stipple)
+ {
+ /* Similarly, we need to make a new copy to restore to the
+ * default stipple state (the caller may have set a stipple
+ * on the GC, and even if not, gdk_gc_set_stipple (gc, NULL)
+ * doesn't work currently to restore to the default X stipple) */
+ new_color = TRUE;
+ gdk_gc_copy (priv->gc, priv->base_gc);
+ }
+
+ if (new_color)
+ {
+ if (color)
+ {
+ GdkColor gdk_color;
+
+ gdk_color.red = color->red;
+ gdk_color.green = color->green;
+ gdk_color.blue = color->blue;
+
+ gdk_gc_set_rgb_fg_color (priv->gc, &gdk_color);
+
+ priv->gc_color = *color;
+ priv->gc_color_set = TRUE;
+ }
+ else
+ priv->gc_color_set = FALSE;
+ }
+
+ if (new_stipple)
+ {
+ if (priv->gc_stipple)
+ g_object_unref (priv->gc_stipple);
+
+ if (stipple)
+ {
+ gdk_gc_set_stipple (priv->gc, stipple);
+ gdk_gc_set_fill (priv->gc, GDK_STIPPLED);
+ priv->gc_stipple = g_object_ref (stipple);
+ }
+ else
+ priv->gc_stipple = NULL;
+ }
+
+ return priv->gc;
+ }
+}
+
+static void
+gdk_pango_renderer_draw_glyphs (PangoRenderer *renderer,
+ PangoFont *font,
+ PangoGlyphString *glyphs,
+ int x,
+ int y)
+{
+ GdkPangoRenderer *gdk_renderer = GDK_PANGO_RENDERER (renderer);
+ GdkPangoRendererPrivate *priv = gdk_renderer->priv;
+
+ flush_trapezoids (gdk_renderer);
+
+ if (!priv->in_emboss && priv->embossed)
+ {
+ PangoMatrix *save_matrix;
+ PangoColor *save_color;
+
+ emboss_renderer (renderer, PANGO_RENDER_PART_FOREGROUND, &save_matrix, &save_color);
+ gdk_draw_glyphs_transformed (priv->drawable,
+ get_gc (gdk_renderer, PANGO_RENDER_PART_FOREGROUND),
+ renderer->matrix, font, x, y, glyphs);
+ unemboss_renderer (renderer, PANGO_RENDER_PART_FOREGROUND, &save_matrix, &save_color);
+ }
+
+ gdk_draw_glyphs_transformed (priv->drawable,
+ get_gc (gdk_renderer, PANGO_RENDER_PART_FOREGROUND),
+ renderer->matrix, font, x, y, glyphs);
+}
+
+/* Outputs any pending trapezoids, we do this when the part or
+ * part color changes, when we are about to draw text, etc. */
+static void
+flush_trapezoids (GdkPangoRenderer *gdk_renderer)
{
- GdkGC *result;
- GdkPangoContextInfo *info;
+ GdkPangoRendererPrivate *priv = gdk_renderer->priv;
+
+ if (!priv->trapezoids || priv->trapezoids->len == 0)
+ return;
+
+ gdk_draw_trapezoids (priv->drawable,
+ get_gc (gdk_renderer, priv->trapezoid_part),
+ (GdkTrapezoid *)priv->trapezoids->data,
+ priv->trapezoids->len);
+
+ g_array_set_size (priv->trapezoids, 0);
+}
+
+/* Draws a single trapezoid ... we don't draw it immediately, but rather
+ * cache it to join together with other trapezoids that form part of the
+ * same logical shape */
+static void
+gdk_pango_renderer_draw_trapezoid (PangoRenderer *renderer,
+ PangoRenderPart part,
+ double y1,
+ double x11,
+ double x21,
+ double y2,
+ double x12,
+ double x22)
+{
+ GdkPangoRenderer *gdk_renderer = GDK_PANGO_RENDERER (renderer);
+ GdkTrapezoid trap;
+
+ if (!gdk_renderer->priv->trapezoids)
+ gdk_renderer->priv->trapezoids = g_array_new (FALSE, FALSE,
+ sizeof (GdkTrapezoid));
- g_return_val_if_fail (context != NULL, NULL);
+ if (gdk_renderer->priv->trapezoids->len > 0 &&
+ gdk_renderer->priv->trapezoid_part != part)
+ flush_trapezoids (gdk_renderer);
+
+ gdk_renderer->priv->trapezoid_part = part;
+
+ trap.y1 = y1;
+ trap.x11 = x11;
+ trap.x21 = x21;
+ trap.y2 = y2;
+ trap.x12 = x12;
+ trap.x22 = x22;
- info = gdk_pango_context_get_info (context, FALSE);
+ g_array_append_val (gdk_renderer->priv->trapezoids, trap);
+}
+
+/* We can't handle embossing at the level of trapezoids, because when an
+ * underline is split into multiple trapezoids, the normal and shadow
+ * trapezoids will be drawn mixed together. Instead, we have to emboss
+ * and entire rectangle or error underline
+ */
+
+static void
+gdk_pango_renderer_draw_rectangle (PangoRenderer *renderer,
+ PangoRenderPart part,
+ int x,
+ int y,
+ int width,
+ int height)
+{
+ GdkPangoRenderer *gdk_renderer = GDK_PANGO_RENDERER (renderer);
+ GdkPangoRendererPrivate *priv = gdk_renderer->priv;
- if (info == NULL || info->colormap == NULL)
+ if (!priv->in_emboss && priv->embossed && part != PANGO_RENDER_PART_BACKGROUND)
{
- g_warning ("you must set the colormap on a PangoContext before using it to draw a layout");
- return NULL;
+ PangoMatrix *save_matrix;
+ PangoColor *save_color;
+
+ emboss_renderer (renderer, part, &save_matrix, &save_color);
+ PANGO_RENDERER_CLASS (gdk_pango_renderer_parent_class)->draw_rectangle (renderer, part,
+ x, y, width, height);
+ unemboss_renderer (renderer, part, &save_matrix, &save_color);
+ }
+
+ PANGO_RENDERER_CLASS (gdk_pango_renderer_parent_class)->draw_rectangle (renderer, part,
+ x, y, width, height);
+}
+
+static void
+gdk_pango_renderer_draw_error_underline (PangoRenderer *renderer,
+ int x,
+ int y,
+ int width,
+ int height)
+{
+ GdkPangoRenderer *gdk_renderer = GDK_PANGO_RENDERER (renderer);
+ GdkPangoRendererPrivate *priv = gdk_renderer->priv;
+
+ if (!priv->in_emboss && priv->embossed)
+ {
+ PangoMatrix *save_matrix;
+ PangoColor *save_color;
+
+ emboss_renderer (renderer, PANGO_RENDER_PART_UNDERLINE, &save_matrix, &save_color);
+ PANGO_RENDERER_CLASS (gdk_pango_renderer_parent_class)->draw_error_underline (renderer,
+ x, y, width, height);
+ unemboss_renderer (renderer, PANGO_RENDER_PART_UNDERLINE, &save_matrix, &save_color);
+ }
+
+ PANGO_RENDERER_CLASS (gdk_pango_renderer_parent_class)->draw_error_underline (renderer,
+ x, y, width, height);
+}
+
+static void
+gdk_pango_renderer_part_changed (PangoRenderer *renderer,
+ PangoRenderPart part)
+{
+ GdkPangoRenderer *gdk_renderer = GDK_PANGO_RENDERER (renderer);
+
+ if (part == gdk_renderer->priv->trapezoid_part)
+ flush_trapezoids (gdk_renderer);
+}
+
+static void
+gdk_pango_renderer_begin (PangoRenderer *renderer)
+{
+ GdkPangoRenderer *gdk_renderer = GDK_PANGO_RENDERER (renderer);
+
+ if (!gdk_renderer->priv->drawable || !gdk_renderer->priv->base_gc)
+ {
+ g_warning ("gdk_pango_renderer_set_drawable() and gdk_pango_renderer_set_drawable()"
+ "must be used to set the target drawable and GC before using the renderer\n");
}
+}
+
+static void
+gdk_pango_renderer_end (PangoRenderer *renderer)
+{
+ GdkPangoRenderer *gdk_renderer = GDK_PANGO_RENDERER (renderer);
+
+ flush_trapezoids (gdk_renderer);
+}
- result = gdk_gc_new (drawable);
- gdk_gc_copy (result, base_gc);
+static void
+gdk_pango_renderer_prepare_run (PangoRenderer *renderer,
+ PangoLayoutRun *run)
+{
+ GdkPangoRenderer *gdk_renderer = GDK_PANGO_RENDERER (renderer);
+ gboolean embossed = FALSE;
+ GdkBitmap *stipple = NULL;
+ GSList *l;
+ int i;
+
+ embossed = FALSE;
+ stipple = NULL;
- if (fg_color)
+ for (l = run->item->analysis.extra_attrs; l; l = l->next)
{
- GdkColor color;
-
- color.red = fg_color->red;
- color.green = fg_color->green;
- color.blue = fg_color->blue;
+ PangoAttribute *attr = l->data;
- gdk_rgb_find_color (info->colormap, &color);
- gdk_gc_set_foreground (result, &color);
+ /* stipple_type and embossed_type aren't necessarily
+ * initialized, but they are 0, which is an
+ * invalid type so won't occur.
+ */
+ if (attr->klass->type == gdk_pango_attr_stipple_type)
+ {
+ stipple = ((GdkPangoAttrStipple*)attr)->stipple;
+ }
+ else if (attr->klass->type == gdk_pango_attr_embossed_type)
+ {
+ embossed = ((GdkPangoAttrEmbossed*)attr)->embossed;
+ }
}
- if (stipple)
+ gdk_pango_renderer_set_stipple (gdk_renderer, PANGO_RENDER_PART_FOREGROUND, stipple);
+ gdk_pango_renderer_set_stipple (gdk_renderer, PANGO_RENDER_PART_BACKGROUND, stipple);
+ gdk_pango_renderer_set_stipple (gdk_renderer, PANGO_RENDER_PART_UNDERLINE, stipple);
+ gdk_pango_renderer_set_stipple (gdk_renderer, PANGO_RENDER_PART_STRIKETHROUGH, stipple);
+
+ if (embossed != gdk_renderer->priv->embossed)
{
- gdk_gc_set_fill (result, GDK_STIPPLED);
- gdk_gc_set_stipple (result, stipple);
+ gdk_renderer->priv->embossed = embossed;
+ pango_renderer_part_changed (renderer, PANGO_RENDER_PART_FOREGROUND);
}
+
+ PANGO_RENDERER_CLASS (gdk_pango_renderer_parent_class)->prepare_run (renderer, run);
+
+ for (i = 0; i <= MAX_RENDER_PART; i++)
+ {
+ if (gdk_renderer->priv->override_color_set[i])
+ pango_renderer_set_color (renderer, i, &gdk_renderer->priv->override_color[i]);
+ }
+}
+
+static void
+gdk_pango_renderer_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GdkPangoRenderer *gdk_renderer = GDK_PANGO_RENDERER (object);
+
+ switch (prop_id)
+ {
+ case PROP_SCREEN:
+ gdk_renderer->priv->screen = g_value_get_object (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gdk_pango_renderer_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GdkPangoRenderer *gdk_renderer = GDK_PANGO_RENDERER (object);
+
+ switch (prop_id)
+ {
+ case PROP_SCREEN:
+ g_value_set_object (value, gdk_renderer->priv->screen);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gdk_pango_renderer_init (GdkPangoRenderer *renderer)
+{
+ renderer->priv = G_TYPE_INSTANCE_GET_PRIVATE (renderer,
+ GDK_TYPE_PANGO_RENDERER,
+ GdkPangoRendererPrivate);
+}
+
+static void
+gdk_pango_renderer_class_init (GdkPangoRendererClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ PangoRendererClass *renderer_class = PANGO_RENDERER_CLASS (klass);
+
+ renderer_class->draw_glyphs = gdk_pango_renderer_draw_glyphs;
+ renderer_class->draw_trapezoid = gdk_pango_renderer_draw_trapezoid;
+ renderer_class->draw_rectangle = gdk_pango_renderer_draw_rectangle;
+ renderer_class->draw_error_underline = gdk_pango_renderer_draw_error_underline;
+ renderer_class->part_changed = gdk_pango_renderer_part_changed;
+ renderer_class->begin = gdk_pango_renderer_begin;
+ renderer_class->end = gdk_pango_renderer_end;
+ renderer_class->prepare_run = gdk_pango_renderer_prepare_run;
+
+ object_class->finalize = gdk_pango_renderer_finalize;
+ object_class->constructor = gdk_pango_renderer_constructor;
+ object_class->set_property = gdk_pango_renderer_set_property;
+ object_class->get_property = gdk_pango_renderer_get_property;
+
+ g_object_class_install_property (object_class,
+ PROP_SCREEN,
+ g_param_spec_object ("screen",
+ P_("Screen"),
+ P_("the GdkScreen for the renderer"),
+ GDK_TYPE_SCREEN,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+
+ g_type_class_add_private (object_class, sizeof (GdkPangoRendererPrivate));
+}
+
+/**
+ * gdk_pango_renderer_new:
+ * @screen: a #GdkScreen
+ *
+ * Creates a new #PangoRenderer for @screen. Normally you can use the
+ * results of gdk_pango_renderer_get_default() rather than creating a new
+ * renderer.
+ *
+ * Return value: a newly created #PangoRenderer. Free with g_object_unref().
+ *
+ * Since: 2.6
+ **/
+PangoRenderer *
+gdk_pango_renderer_new (GdkScreen *screen)
+{
+ g_return_val_if_fail (screen != NULL, NULL);
- return result;
+ return g_object_new (GDK_TYPE_PANGO_RENDERER,
+ "screen", screen,
+ NULL);
}
static void
-gdk_pango_free_gc (PangoContext *context,
- GdkGC *gc)
+on_renderer_display_closed (GdkDisplay *display,
+ GdkPangoRenderer *renderer)
{
- g_object_unref (gc);
+ g_signal_handlers_disconnect_by_func (renderer->priv->screen,
+ (gpointer)on_renderer_display_closed,
+ renderer);
+ g_object_set_data (G_OBJECT (renderer->priv->screen), "gdk-pango-renderer", NULL);
}
/**
- * gdk_pango_context_set_colormap:
- * @context: a #PangoContext
- * @colormap: a #GdkColormap
+ * gdk_pango_renderer_get_default:
+ * @screen: a #GdkScreen
+ *
+ * Gets the default #PangoRenderer for a screen. This default renderer
+ * is shared by all users of the display, so properties such as the color
+ * or transformation matrix set for the renderer may be overwritten
+ * by functions such as gdk_draw_layout().
*
- * Sets the colormap to be used for drawing with @context.
+ * Before using the renderer, you need to call gdk_pango_renderer_set_drawable()
+ * and gdk_pango_renderer_set_drawable() to set the drawable and graphics context
+ * to use for drawing.
+ *
+ * Return value: the default #PangoRenderer for @screen. The
+ * renderer is owned by GTK+ and will be kept around until the
+ * screen is closed.
*
- * If you obtained your context from gtk_widget_get_pango_context() or
- * gtk_widget_create_pango_context(), the colormap will already be set
- * to the colormap for the widget, so you shouldn't need this
- * function.
+ * Since: 2.6
+ **/
+PangoRenderer *
+gdk_pango_renderer_get_default (GdkScreen *screen)
+{
+ PangoRenderer *renderer;
+
+ g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
+
+ renderer = g_object_get_data (G_OBJECT (screen), "gdk-pango-renderer");
+ if (!renderer)
+ {
+ renderer = gdk_pango_renderer_new (screen);
+ g_object_set_data_full (G_OBJECT (screen), "gdk-pango-renderer", renderer,
+ (GDestroyNotify)g_object_unref);
+
+ g_signal_connect (gdk_screen_get_display (screen), "closed",
+ G_CALLBACK (on_renderer_display_closed), renderer);
+ }
+
+ return renderer;
+}
+
+/**
+ * gdk_pango_renderer_set_drawable:
+ * @gdk_renderer: a #GdkPangoRenderer
+ * @drawable: the new target drawable, or %NULL
+ *
+ * Sets the drawable the renderer draws to.
+ *
+ * Since: 2.6
**/
void
-gdk_pango_context_set_colormap (PangoContext *context,
- GdkColormap *colormap)
+gdk_pango_renderer_set_drawable (GdkPangoRenderer *gdk_renderer,
+ GdkDrawable *drawable)
+{
+ GdkPangoRendererPrivate *priv;
+
+ g_return_if_fail (GDK_IS_PANGO_RENDERER (gdk_renderer));
+ g_return_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable));
+
+ priv = gdk_renderer->priv;
+
+ flush_trapezoids (gdk_renderer);
+
+ if (priv->drawable != drawable)
+ {
+ if (priv->drawable)
+ g_object_unref (priv->drawable);
+ priv->drawable = drawable;
+ if (priv->drawable)
+ g_object_ref (priv->drawable);
+ }
+}
+
+/**
+ * gdk_pango_renderer_set_gc:
+ * @gdk_renderer: a #GdkPangoRenderer
+ * @gc: the new GC to use for drawing, or %NULL
+ *
+ * Sets the GC the renderer draws with. Note that the GC must not be
+ * modified until it is unset by calling the function again with
+ * %NULL for the @gc parameter, since GDK may make internal copies
+ * of the GC which won't be updated to follow changes to the
+ * original GC.
+ *
+ * Since: 2.6
+ **/
+void
+gdk_pango_renderer_set_gc (GdkPangoRenderer *gdk_renderer,
+ GdkGC *gc)
{
- GdkPangoContextInfo *info;
+ GdkPangoRendererPrivate *priv;
- g_return_if_fail (context != NULL);
+ g_return_if_fail (GDK_IS_PANGO_RENDERER (gdk_renderer));
+ g_return_if_fail (gc == NULL || GDK_IS_GC (gc));
- info = gdk_pango_context_get_info (context, TRUE);
- g_return_if_fail (info != NULL);
+ priv = gdk_renderer->priv;
- if (info->colormap != colormap)
+ flush_trapezoids (gdk_renderer);
+
+ if (priv->base_gc != gc)
{
- if (info->colormap)
- g_object_unref (info->colormap);
+ if (priv->base_gc)
+ g_object_unref (priv->base_gc);
+ priv->base_gc = gc;
+ if (priv->base_gc)
+ g_object_ref (priv->base_gc);
- info->colormap = colormap;
+ if (priv->gc)
+ {
+ g_object_unref (priv->gc);
+ priv->gc = NULL;
+ }
- if (info->colormap)
- g_object_ref (info->colormap);
+ priv->gc_color_set = FALSE;
+
+ if (priv->gc_stipple)
+ {
+ g_object_unref (priv->gc_stipple);
+ priv->gc_stipple = NULL;
+ }
}
}
-static void
-draw_underline (GdkDrawable *drawable,
- GdkGC *gc,
- PangoUnderline uline,
- int baseline_y,
- int low_y,
- int start_x,
- int end_x)
-{
- switch (uline)
+
+/**
+ * gdk_pango_renderer_set_stipple:
+ * @gdk_renderer: a #GdkPangoRenderer
+ * @part: the part to render with the stipple
+ * @stipple: the new stipple value.
+ *
+ * Sets the stipple for one render part (foreground, background, underline,
+ * etc.) Note that this is overwritten when iterating through the individual
+ * styled runs of a #PangoLayout or #PangoLayoutLine. This function is thus
+ * only useful when you call low level functions like pango_renderer_draw_glyphs()
+ * directly, or in the 'prepare_run' virtual function of a subclass of
+ * #GdkPangoRenderer.
+ *
+ * Since: 2.6
+ **/
+void
+gdk_pango_renderer_set_stipple (GdkPangoRenderer *gdk_renderer,
+ PangoRenderPart part,
+ GdkBitmap *stipple)
+{
+ g_return_if_fail (GDK_IS_PANGO_RENDERER (gdk_renderer));
+
+ if (part > MAX_RENDER_PART) /* Silently ignore unknown parts */
+ return;
+
+ if (stipple != gdk_renderer->priv->stipple[part])
{
- case PANGO_UNDERLINE_NONE:
- break;
- case PANGO_UNDERLINE_DOUBLE:
- gdk_draw_line (drawable, gc,
- start_x, baseline_y + 3,
- end_x, baseline_y + 3);
- /* Fall through */
- case PANGO_UNDERLINE_SINGLE:
- gdk_draw_line (drawable, gc,
- start_x, baseline_y + 1,
- end_x, baseline_y + 1);
- break;
- case PANGO_UNDERLINE_ERROR:
- {
- int point_x, point_y;
- int counter = 0;
-
- for (point_x = start_x;
- point_x <= end_x;
- point_x += 2)
- {
- point_y = counter ? baseline_y + 1 : baseline_y + 2;
-
- gdk_draw_line (drawable, gc,
- point_x, point_y,
- MIN (point_x + 1, end_x), point_y);
-
- counter = (counter + 1) % 2;
- }
- }
- break;
- case PANGO_UNDERLINE_LOW:
- gdk_draw_line (drawable, gc,
- start_x, low_y + 1,
- end_x, low_y + 1);
- break;
+ if (gdk_renderer->priv->stipple[part])
+ g_object_unref (gdk_renderer->priv->stipple[part]);
+
+ gdk_renderer->priv->stipple[part] = stipple;
+
+ if (gdk_renderer->priv->stipple[part])
+ g_object_ref (gdk_renderer->priv->stipple[part]);
+
+ pango_renderer_part_changed (PANGO_RENDERER (gdk_renderer), part);
}
}
+/**
+ * gdk_pango_renderer_set_override_color:
+ * @gdk_renderer: a #GdkPangoRenderer
+ * @part: the part to render to set the color of
+ * @color: the color to use, or %NULL to unset a previously
+ * set override color.
+ *
+ * Sets the color for a particular render part (foreground,
+ * background, underline, etc.), overriding any attributes on the layouts
+ * renderered with this renderer.
+ *
+ * Since: 2.6
+ **/
+void
+gdk_pango_renderer_set_override_color (GdkPangoRenderer *gdk_renderer,
+ PangoRenderPart part,
+ const GdkColor *color)
+{
+ GdkPangoRendererPrivate *priv;
+
+ g_return_if_fail (GDK_IS_PANGO_RENDERER (gdk_renderer));
+
+ priv = gdk_renderer->priv;
+
+ if (part > MAX_RENDER_PART) /* Silently ignore unknown parts */
+ return;
+
+ if (color)
+ {
+ priv->override_color[part].red = color->red;
+ priv->override_color[part].green = color->green;
+ priv->override_color[part].blue = color->blue;
+ priv->override_color_set[part] = TRUE;
+ }
+ else
+ priv->override_color_set[part] = FALSE;
+}
+
+/**
+ * gdk_pango_context_set_colormap:
+ * @context: a #PangoContext
+ * @colormap: a #GdkColormap
+ *
+ * This function used to set the colormap to be used for drawing with
+ * @context. The colormap is now always derived from the graphics
+ * context used for drawing, so calling this function is no longer
+ * necessary.
+ **/
+void
+gdk_pango_context_set_colormap (PangoContext *context,
+ GdkColormap *colormap)
+{
+ g_return_if_fail (PANGO_IS_CONTEXT (context));
+ g_return_if_fail (colormap == NULL || GDK_IS_COLORMAP (colormap));
+}
+
+/* Gets a renderer to draw with, setting the properties of the
+ * renderer and activating it. Note that since we activate the
+ * renderer here, the implicit setting of the matrix that
+ * pango_renderer_draw_layout_[line] normally do when they
+ * activate the renderer is suppressed. */
+static PangoRenderer *
+get_renderer (GdkDrawable *drawable,
+ GdkGC *gc,
+ const GdkColor *foreground,
+ const GdkColor *background)
+{
+ GdkScreen *screen = gdk_drawable_get_screen (drawable);
+ PangoRenderer *renderer = gdk_pango_renderer_get_default (screen);
+ GdkPangoRenderer *gdk_renderer = GDK_PANGO_RENDERER (renderer);
+
+ gdk_pango_renderer_set_drawable (gdk_renderer, drawable);
+ gdk_pango_renderer_set_gc (gdk_renderer, gc);
+
+ gdk_pango_renderer_set_override_color (gdk_renderer,
+ PANGO_RENDER_PART_FOREGROUND,
+ foreground);
+ gdk_pango_renderer_set_override_color (gdk_renderer,
+ PANGO_RENDER_PART_UNDERLINE,
+ foreground);
+ gdk_pango_renderer_set_override_color (gdk_renderer,
+ PANGO_RENDER_PART_STRIKETHROUGH,
+ foreground);
+
+ gdk_pango_renderer_set_override_color (gdk_renderer,
+ PANGO_RENDER_PART_BACKGROUND,
+ background);
+
+ pango_renderer_activate (renderer);
+
+ return renderer;
+}
+
+/* Cleans up the renderer obtained with get_renderer() */
+static void
+release_renderer (PangoRenderer *renderer)
+{
+ GdkPangoRenderer *gdk_renderer = GDK_PANGO_RENDERER (renderer);
+
+ pango_renderer_deactivate (renderer);
+
+ gdk_pango_renderer_set_override_color (gdk_renderer,
+ PANGO_RENDER_PART_FOREGROUND,
+ NULL);
+ gdk_pango_renderer_set_override_color (gdk_renderer,
+ PANGO_RENDER_PART_UNDERLINE,
+ NULL);
+ gdk_pango_renderer_set_override_color (gdk_renderer,
+ PANGO_RENDER_PART_STRIKETHROUGH,
+ NULL);
+ gdk_pango_renderer_set_override_color (gdk_renderer,
+ PANGO_RENDER_PART_BACKGROUND,
+ NULL);
+
+ gdk_pango_renderer_set_drawable (gdk_renderer, NULL);
+ gdk_pango_renderer_set_gc (gdk_renderer, NULL);
+}
+
/**
* gdk_draw_layout_line_with_colors:
* @drawable: the drawable on which to draw the line
* Render a #PangoLayoutLine onto a #GdkDrawable, overriding the
* layout's normal colors with @foreground and/or @background.
* @foreground and @background need not be allocated.
+ *
+ * If the layout's #PangoContext has a transformation matrix set, then
+ * @x and @y specify the position of the left edge of the baseline
+ * (left is in before-tranform user coordinates) in after-transform
+ * device coordinates.
*/
void
gdk_draw_layout_line_with_colors (GdkDrawable *drawable,
const GdkColor *foreground,
const GdkColor *background)
{
- GSList *tmp_list = line->runs;
- PangoRectangle overall_rect;
- PangoRectangle logical_rect;
- PangoRectangle ink_rect;
- PangoContext *context;
- gint x_off = 0;
- gint rise = 0;
- gboolean embossed;
- GdkBitmap *stipple;
- PangoUnderline last_uline = PANGO_UNDERLINE_NONE;
- gint uline_start_x = 0;
- gint uline_end_x = 0;
- gint uline_end_x_extended = 0;
- gint last_risen_y = 0;
- gint low_y = G_MININT;
- GdkGC *last_fg_gc = NULL;
- gboolean last_fg_set = FALSE;
- PangoColor last_fg_color;
-
+ PangoRenderer *renderer;
+ const PangoMatrix *matrix;
+
g_return_if_fail (GDK_IS_DRAWABLE (drawable));
g_return_if_fail (GDK_IS_GC (gc));
g_return_if_fail (line != NULL);
- context = pango_layout_get_context (line->layout);
-
- pango_layout_line_get_extents (line,NULL, &overall_rect);
-
- while (tmp_list)
+ renderer = get_renderer (drawable, gc, foreground, background);
+
+ /* When we have a matrix, we do positioning by adjusting the matrix, and
+ * clamp just pass x=0, y=0 to the lower levels. We don't want to introduce
+ * a matrix when the caller didn't provide one, however, since that adds
+ * lots of floating point arithmetic for each glyph.
+ */
+ matrix = pango_context_get_matrix (pango_layout_get_context (line->layout));
+ if (matrix)
{
- PangoUnderline this_uline = PANGO_UNDERLINE_NONE;
- PangoLayoutRun *run = tmp_list->data;
- PangoColor fg_color, bg_color;
- gboolean strike, fg_set, bg_set, shape_set;
- GdkGC *fg_gc;
- gint risen_y;
-
- tmp_list = tmp_list->next;
+ PangoMatrix tmp_matrix;
- gdk_pango_get_item_properties (run->item, &this_uline,
- &strike,
- &rise,
- &fg_color, &fg_set,
- &bg_color, &bg_set,
- &embossed,
- &stipple,
- &shape_set,
- &ink_rect,
- &logical_rect);
-
- /* we subtract the rise because X coordinates are upside down */
- risen_y = y - rise / PANGO_SCALE;
-
- if (!shape_set)
- {
- if (this_uline == PANGO_UNDERLINE_NONE)
- pango_glyph_string_extents (run->glyphs, run->item->analysis.font,
- NULL, &logical_rect);
- else
- pango_glyph_string_extents (run->glyphs, run->item->analysis.font,
- &ink_rect, &logical_rect);
- }
+ tmp_matrix = *matrix;
+ tmp_matrix.x0 = x;
+ tmp_matrix.y0 = y;
+ pango_renderer_set_matrix (renderer, &tmp_matrix);
- if (bg_set || background)
- {
- GdkGC *bg_gc;
- PangoColor tmp = bg_color;
-
- if (background)
- {
- tmp.red = background->red;
- tmp.blue = background->blue;
- tmp.green = background->green;
- }
-
- bg_gc = gdk_pango_get_gc (drawable, context, &tmp, stipple, gc);
-
- gdk_draw_rectangle (drawable, bg_gc, TRUE,
- x + (x_off + logical_rect.x) / PANGO_SCALE,
- risen_y + overall_rect.y / PANGO_SCALE,
- logical_rect.width / PANGO_SCALE,
- overall_rect.height / PANGO_SCALE);
-
- if (stipple)
- gdk_gc_set_fill (bg_gc, GDK_SOLID);
-
- gdk_pango_free_gc (context, bg_gc);
- }
+ x = 0;
+ y = 0;
+ }
+ else
+ pango_renderer_set_matrix (renderer, NULL);
- if (fg_set || stipple || foreground)
- {
- PangoColor tmp = fg_color;
-
- if (foreground)
- {
- tmp.red = foreground->red;
- tmp.blue = foreground->blue;
- tmp.green = foreground->green;
- }
-
- fg_gc = gdk_pango_get_gc (drawable, context, (fg_set || foreground) ? &tmp : NULL,
- stipple, gc);
- }
- else
- fg_gc = gc;
+ pango_renderer_draw_layout_line (renderer, line, x * PANGO_SCALE, y * PANGO_SCALE);
- if (!shape_set)
- {
- gint gx, gy;
+ release_renderer (renderer);
+}
- gx = x + x_off / PANGO_SCALE;
- gy = risen_y;
-
- if (embossed)
- {
- PangoColor color = { 65535, 65535, 65535 };
- GdkGC *white_gc = gdk_pango_get_gc (drawable, context, &color, stipple, fg_gc);
- gdk_draw_glyphs (drawable, white_gc, run->item->analysis.font,
- gx + 1,
- gy + 1,
- run->glyphs);
- gdk_pango_free_gc (context, white_gc);
- }
-
- gdk_draw_glyphs (drawable, fg_gc, run->item->analysis.font,
- gx, gy,
- run->glyphs);
- }
+/* Gets the bounds of a layout in device coordinates. Note cut-and-paste
+ * between here and gtklabel.c */
+static void
+get_rotated_layout_bounds (PangoLayout *layout,
+ GdkRectangle *rect)
+{
+ PangoContext *context = pango_layout_get_context (layout);
+ const PangoMatrix *matrix = pango_context_get_matrix (context);
+ gdouble x_min = 0, x_max = 0, y_min = 0, y_max = 0; /* quiet gcc */
+ PangoRectangle logical_rect;
+ gint i, j;
- if (this_uline != last_uline ||
- risen_y != last_risen_y ||
- fg_set != last_fg_set ||
- (fg_set && (last_fg_color.red != fg_color.red ||
- last_fg_color.green != fg_color.green ||
- last_fg_color.blue != fg_color.blue)))
+ pango_layout_get_extents (layout, NULL, &logical_rect);
+
+ for (i = 0; i < 2; i++)
+ {
+ gdouble x = (i == 0) ? logical_rect.x : logical_rect.x + logical_rect.width;
+ for (j = 0; j < 2; j++)
{
- /* If only color changes, the underlines extend to the edge
- * of the logical rectangle so they join up; otherwise they
- * go 1 pixel beyond the ink rectangle. This doesn't work
- * for low underlines (they will be at a different y anyways),
- * so they follow the normal path.
- */
- gboolean extend_uline = (this_uline == last_uline &&
- this_uline != PANGO_UNDERLINE_LOW &&
- risen_y == last_risen_y);
+ gdouble y = (j == 0) ? logical_rect.y : logical_rect.y + logical_rect.height;
+
+ gdouble xt = (x * matrix->xx + y * matrix->xy) / PANGO_SCALE + matrix->x0;
+ gdouble yt = (x * matrix->yx + y * matrix->yy) / PANGO_SCALE + matrix->y0;
- /* Starting a new underline run
- */
- if (last_uline != PANGO_UNDERLINE_NONE)
+ if (i == 0 && j == 0)
{
- draw_underline (drawable, last_fg_gc, last_uline,
- last_risen_y, low_y,
- uline_start_x,
- extend_uline ? uline_end_x_extended : uline_end_x);
+ x_min = x_max = xt;
+ y_min = y_max = yt;
}
-
- if (this_uline != PANGO_UNDERLINE_NONE)
+ else
{
- if (extend_uline)
- uline_start_x = x + x_off / PANGO_SCALE;
- else
- uline_start_x = x + (x_off + ink_rect.x) / PANGO_SCALE - 1;
-
- low_y = G_MININT;
+ if (xt < x_min)
+ x_min = xt;
+ if (yt < y_min)
+ y_min = yt;
+ if (xt > x_max)
+ x_max = xt;
+ if (yt > y_max)
+ y_max = yt;
}
}
-
- /* Update current underline segment information
- */
- if (this_uline != PANGO_UNDERLINE_NONE)
- {
- uline_end_x = x + (x_off + ink_rect.x + ink_rect.width) / PANGO_SCALE;
- uline_end_x_extended = x + (x_off + logical_rect.x + logical_rect.width) / PANGO_SCALE - 1;
- }
-
- if (this_uline == PANGO_UNDERLINE_LOW)
- low_y = MAX (low_y, risen_y + (ink_rect.y + ink_rect.height) / PANGO_SCALE);
-
- if (strike)
- {
- int centerline = logical_rect.y + logical_rect.height / 2;
-
- gdk_draw_line (drawable, fg_gc,
- x + (x_off + logical_rect.x) / PANGO_SCALE - 1,
- risen_y + centerline / PANGO_SCALE,
- x + (x_off + logical_rect.x + logical_rect.width) / PANGO_SCALE + 1,
- risen_y + centerline / PANGO_SCALE);
- }
-
- if (last_fg_gc != gc && last_fg_gc)
- gdk_pango_free_gc (context, last_fg_gc);
-
- last_risen_y = risen_y;
- last_uline = this_uline;
- last_fg_gc = fg_gc;
- last_fg_set = fg_set;
- if (fg_set)
- last_fg_color = fg_color;
-
- x_off += logical_rect.width;
}
-
- /* Finish off any remaining underlines
- */
- if (last_uline != PANGO_UNDERLINE_NONE)
- draw_underline (drawable, last_fg_gc, last_uline, last_risen_y, low_y,
- uline_start_x, uline_end_x);
-
- if (last_fg_gc != gc && last_fg_gc)
- gdk_pango_free_gc (context, last_fg_gc);
+
+ rect->x = floor (x_min);
+ rect->width = ceil (x_max) - rect->x;
+ rect->y = floor (y_min);
+ rect->height = floor (y_max) - rect->y;
}
/**
* layout's normal colors with @foreground and/or @background.
* @foreground and @background need not be allocated.
*
+ * If the layout's #PangoContext has a transformation matrix set, then
+ * @x and @y specify the position of the top left corner of the
+ * bounding box (in device space) of the transformed layout.
+ *
* If you're using GTK+, the ususal way to obtain a #PangoLayout
* is gtk_widget_create_pango_layout().
*/
const GdkColor *foreground,
const GdkColor *background)
{
- PangoLayoutIter *iter;
+ PangoRenderer *renderer;
+ const PangoMatrix *matrix;
g_return_if_fail (GDK_IS_DRAWABLE (drawable));
g_return_if_fail (GDK_IS_GC (gc));
g_return_if_fail (PANGO_IS_LAYOUT (layout));
- iter = pango_layout_get_iter (layout);
-
- do
+ renderer = get_renderer (drawable, gc, foreground, background);
+
+ /* When we have a matrix, we do positioning by adjusting the matrix, and
+ * clamp just pass x=0, y=0 to the lower levels. We don't want to introduce
+ * a matrix when the caller didn't provide one, however, since that adds
+ * lots of floating point arithmetic for each glyph.
+ */
+ matrix = pango_context_get_matrix (pango_layout_get_context (layout));
+ if (matrix)
{
- PangoRectangle logical_rect;
- PangoLayoutLine *line;
- int baseline;
-
- line = pango_layout_iter_get_line (iter);
+ PangoMatrix tmp_matrix;
+ GdkRectangle rect;
+
+ get_rotated_layout_bounds (layout, &rect);
- pango_layout_iter_get_line_extents (iter, NULL, &logical_rect);
- baseline = pango_layout_iter_get_baseline (iter);
+ tmp_matrix = *matrix;
+ tmp_matrix.x0 += x - rect.x;
+ tmp_matrix.y0 += y - rect.y;
+ pango_renderer_set_matrix (renderer, &tmp_matrix);
- gdk_draw_layout_line_with_colors (drawable, gc,
- x + logical_rect.x / PANGO_SCALE,
- y + baseline / PANGO_SCALE,
- line,
- foreground,
- background);
+ x = 0;
+ y = 0;
}
- while (pango_layout_iter_next_line (iter));
-
- pango_layout_iter_free (iter);
+ else
+ pango_renderer_set_matrix (renderer, NULL);
+
+ pango_renderer_draw_layout (renderer, layout, x * PANGO_SCALE, y * PANGO_SCALE);
+
+ release_renderer (renderer);
}
/**
* @line: a #PangoLayoutLine
*
* Render a #PangoLayoutLine onto an GDK drawable
+ *
+ * If the layout's #PangoContext has a transformation matrix set, then
+ * @x and @y specify the position of the left edge of the baseline
+ * (left is in before-tranform user coordinates) in after-transform
+ * device coordinates.
*/
void
gdk_draw_layout_line (GdkDrawable *drawable,
*
* Render a #PangoLayout onto a GDK drawable
*
- * If you're using GTK+, the ususal way to obtain a #PangoLayout
+ * If the layout's #PangoContext has a transformation matrix set, then
+ * @x and @y specify the position of the top left corner of the
+ * bounding box (in device space) of the transformed layout.
+ *
+ * If you're using GTK+, the usual way to obtain a #PangoLayout
* is gtk_widget_create_pango_layout().
*/
void
gdk_draw_layout_with_colors (drawable, gc, x, y, layout, NULL, NULL);
}
-static void
-gdk_pango_get_item_properties (PangoItem *item,
- PangoUnderline *uline,
- gboolean *strikethrough,
- gint *rise,
- PangoColor *fg_color,
- gboolean *fg_set,
- PangoColor *bg_color,
- gboolean *bg_set,
- gboolean *embossed,
- GdkBitmap **stipple,
- gboolean *shape_set,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect)
-{
- GSList *tmp_list = item->analysis.extra_attrs;
-
- if (strikethrough)
- *strikethrough = FALSE;
-
- if (fg_set)
- *fg_set = FALSE;
-
- if (bg_set)
- *bg_set = FALSE;
-
- if (shape_set)
- *shape_set = FALSE;
-
- if (rise)
- *rise = 0;
-
- if (embossed)
- *embossed = FALSE;
-
- if (stipple)
- *stipple = NULL;
-
- while (tmp_list)
- {
- PangoAttribute *attr = tmp_list->data;
-
- switch (attr->klass->type)
- {
- case PANGO_ATTR_UNDERLINE:
- if (uline)
- *uline = ((PangoAttrInt *)attr)->value;
- break;
-
- case PANGO_ATTR_STRIKETHROUGH:
- if (strikethrough)
- *strikethrough = ((PangoAttrInt *)attr)->value;
- break;
-
- case PANGO_ATTR_FOREGROUND:
- if (fg_color)
- *fg_color = ((PangoAttrColor *)attr)->color;
- if (fg_set)
- *fg_set = TRUE;
-
- break;
-
- case PANGO_ATTR_BACKGROUND:
- if (bg_color)
- *bg_color = ((PangoAttrColor *)attr)->color;
- if (bg_set)
- *bg_set = TRUE;
-
- break;
-
- case PANGO_ATTR_SHAPE:
- if (shape_set)
- *shape_set = TRUE;
- if (logical_rect)
- *logical_rect = ((PangoAttrShape *)attr)->logical_rect;
- if (ink_rect)
- *ink_rect = ((PangoAttrShape *)attr)->ink_rect;
- break;
-
- case PANGO_ATTR_RISE:
- if (rise)
- *rise = ((PangoAttrInt *)attr)->value;
- break;
-
- default:
- /* stipple_type and embossed_type aren't necessarily
- * initialized, but they are 0, which is an
- * invalid type so won't occur.
- */
- if (stipple && attr->klass->type == gdk_pango_attr_stipple_type)
- {
- *stipple = ((GdkPangoAttrStipple*)attr)->stipple;
- }
- else if (embossed && attr->klass->type == gdk_pango_attr_embossed_type)
- {
- *embossed = ((GdkPangoAttrEmbossed*)attr)->embossed;
- }
- break;
- }
- tmp_list = tmp_list->next;
- }
-}
-
-
static PangoAttribute *
gdk_pango_attr_stipple_copy (const PangoAttribute *attr)
{
projects / ~andy / gtk / blobdiff