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Simpify the text line drawing function to not reuqire passing in the

Browse source 
* libnautilus-extensions/nautilus-label.c: (render_buffer_pixbuf):
	* libnautilus-extensions/nautilus-scalable-font.c:
	(nautilus_scalable_font_draw_text_lines_with_dimensions),
	(nautilus_scalable_font_draw_text_lines):
	* libnautilus-extensions/nautilus-scalable-font.h:
	Simpify the text line drawing function to not reuqire passing in
	the number of lines or their dimensions.  Compute these when
	needed.  An alternate function that accepts the dimensions is
	available as well.

	* test/test-nautilus-font.c: (main):
	Draw both text lines and single line clipped text to test more
	stuff.
This commit is contained in:
Ramiro Estrugo 2000-09-05 11:41:47 +00:00
parent 486c860ac9
commit e5b8f54863
8 changed files with 447 additions and 344 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
ChangeLog
View file

@ -1,3 +1,19 @@
2000-09-05 Ramiro Estrugo <ramiro@eazel.com>
* libnautilus-extensions/nautilus-label.c: (render_buffer_pixbuf):
* libnautilus-extensions/nautilus-scalable-font.c:
(nautilus_scalable_font_draw_text_lines_with_dimensions),
(nautilus_scalable_font_draw_text_lines):
* libnautilus-extensions/nautilus-scalable-font.h:
Simpify the text line drawing function to not reuqire passing in
the number of lines or their dimensions. Compute these when
needed. An alternate function that accepts the dimensions is
available as well.
* test/test-nautilus-font.c: (main):
Draw both text lines and single line clipped text to test more
stuff.
2000-09-05 Ramiro Estrugo <ramiro@eazel.com>
Complete task 1733 - need mozilla component support for grokking

60
libnautilus-extensions/nautilus-label.c
View file

@ -357,41 +357,41 @@ render_buffer_pixbuf (NautilusBufferedWidget *buffered_widget,
if (label->detail->drop_shadow_offset > 0) {
text_x += label->detail->drop_shadow_offset;
text_y += label->detail->drop_shadow_offset;
nautilus_scalable_font_draw_text_lines (label->detail->font,
buffer,
text_x,
text_y,
&clip_area,
label->detail->font_size,
label->detail->font_size,
label->detail->text,
label->detail->num_text_lines,
label->detail->text_line_widths,
label->detail->text_line_heights,
label->detail->text_justification,
label->detail->line_offset,
label->detail->drop_shadow_color,
label->detail->text_alpha);
nautilus_scalable_font_draw_text_lines_with_dimensions (label->detail->font,
buffer,
text_x,
text_y,
&clip_area,
label->detail->font_size,
label->detail->font_size,
label->detail->text,
label->detail->num_text_lines,
label->detail->text_line_widths,
label->detail->text_line_heights,
label->detail->text_justification,
label->detail->line_offset,
label->detail->drop_shadow_color,
label->detail->text_alpha);
text_x -= label->detail->drop_shadow_offset;
text_y -= label->detail->drop_shadow_offset;
}
nautilus_scalable_font_draw_text_lines (label->detail->font,
buffer,
text_x,
text_y,
&clip_area,
label->detail->font_size,
label->detail->font_size,
label->detail->text,
label->detail->num_text_lines,
label->detail->text_line_widths,
label->detail->text_line_heights,
label->detail->text_justification,
label->detail->line_offset,
label->detail->text_color,
label->detail->text_alpha);
nautilus_scalable_font_draw_text_lines_with_dimensions (label->detail->font,
buffer,
text_x,
text_y,
&clip_area,
label->detail->font_size,
label->detail->font_size,
label->detail->text,
label->detail->num_text_lines,
label->detail->text_line_widths,
label->detail->text_line_heights,
label->detail->text_justification,
label->detail->line_offset,
label->detail->text_color,
label->detail->text_alpha);
}
}

150
libnautilus-extensions/nautilus-scalable-font.c
View file

@ -848,32 +848,28 @@ nautilus_scalable_font_measure_text_lines (const NautilusScalableFont *font,
}
void
nautilus_scalable_font_draw_text_lines (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
guint num_text_lines,
const guint *text_line_widths,
const guint *text_line_heights,
GtkJustification justification,
guint line_offset,
guint32 color,
guchar overall_alpha)
nautilus_scalable_font_draw_text_lines_with_dimensions (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
guint num_text_lines,
const guint *text_line_widths,
const guint *text_line_heights,
GtkJustification justification,
guint line_offset,
guint32 color,
guchar overall_alpha)
{
guint i;
const char *line;
guint i;
const char *line;
guint available_width;
guint available_height;
guint *temp_text_line_widths = NULL;
guint *temp_text_line_heights = NULL;
guint available_width;
guint available_height;
guint max_num_text_lines;
// guint max_num_text_lines;
g_return_if_fail (NAUTILUS_IS_SCALABLE_FONT (font));
g_return_if_fail (destination_pixbuf != NULL);
@ -886,43 +882,13 @@ nautilus_scalable_font_draw_text_lines (const NautilusScalableFont *font,
g_return_if_fail (clip_area->y1 > clip_area->y0);
g_return_if_fail (num_text_lines > 0);
g_return_if_fail (num_text_lines <= (nautilus_str_count_characters (text, '\n') + 1));
g_return_if_fail (text_line_widths != NULL);
g_return_if_fail (text_line_widths != NULL);
available_width = clip_area->x1 - clip_area->x0;
available_height = clip_area->y1 - clip_area->y0;
if (text_line_widths) {
g_return_if_fail (text_line_heights != NULL);
}
if (text_line_heights) {
g_return_if_fail (text_line_widths != NULL);
}
max_num_text_lines = (available_height / font_height);
if (text_line_widths == NULL && text_line_heights == NULL) {
temp_text_line_widths = g_new (guint, num_text_lines);
temp_text_line_heights = g_new (guint, num_text_lines);
nautilus_scalable_font_measure_text_lines (font,
font_width,
font_height,
text,
num_text_lines,
temp_text_line_widths,
temp_text_line_heights,
NULL,
NULL);
text_line_widths = temp_text_line_widths;
text_line_heights = temp_text_line_heights;
}
g_return_if_fail (text_line_widths != NULL);
g_return_if_fail (text_line_heights != NULL);
// x = clip_area->x0;
// y = clip_area->y0;
// max_num_text_lines = (available_height / font_height);
line = text;
@ -1001,14 +967,72 @@ nautilus_scalable_font_draw_text_lines (const NautilusScalableFont *font,
line = NULL;
}
}
}
if (temp_text_line_widths != NULL) {
g_free (temp_text_line_widths);
}
void
nautilus_scalable_font_draw_text_lines (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
GtkJustification justification,
guint line_offset,
guint32 color,
guchar overall_alpha)
{
guint num_text_lines;
guint *text_line_widths;
guint *text_line_heights;
if (temp_text_line_heights != NULL) {
g_free (temp_text_line_heights);
}
g_return_if_fail (NAUTILUS_IS_SCALABLE_FONT (font));
g_return_if_fail (destination_pixbuf != NULL);
g_return_if_fail (gdk_pixbuf_get_has_alpha (destination_pixbuf));
g_return_if_fail (clip_area != NULL);
g_return_if_fail (font_width > 0);
g_return_if_fail (font_height > 0);
g_return_if_fail (justification >= GTK_JUSTIFY_LEFT && justification <= GTK_JUSTIFY_FILL);
g_return_if_fail (clip_area->x1 > clip_area->x0);
g_return_if_fail (clip_area->y1 > clip_area->y0);
if (text == NULL || text[0] == '\0') {
return;
}
num_text_lines = nautilus_str_count_characters (text, '\n') + 1;
text_line_widths = g_new (guint, num_text_lines);
text_line_heights = g_new (guint, num_text_lines);
nautilus_scalable_font_measure_text_lines (font,
font_width,
font_height,
text,
num_text_lines,
text_line_widths,
text_line_heights,
NULL,
NULL);
nautilus_scalable_font_draw_text_lines_with_dimensions (font,
destination_pixbuf,
x,
y,
clip_area,
font_width,
font_height,
text,
num_text_lines,
text_line_widths,
text_line_heights,
justification,
line_offset,
color,
overall_alpha);
g_free (text_line_widths);
g_free (text_line_heights);
}
guint

137
libnautilus-extensions/nautilus-scalable-font.h
View file

@ -72,68 +72,81 @@ struct _NautilusScalableFontClass
GtkObjectClass parent_class;
};
GtkType nautilus_scalable_font_get_type (void);
GtkObject * nautilus_scalable_font_new (const char *family,
const char *weight,
const char *slant,
const char *set_width);
void nautilus_scalable_font_measure_text (const NautilusScalableFont *font,
guint font_width,
guint font_height,
const char *text,
guint text_length,
guint *text_width_out,
guint *text_height_out);
void nautilus_scalable_font_draw_text (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
guint text_length,
guint32 color,
guchar overall_alpha);
void nautilus_scalable_font_measure_text_lines (const NautilusScalableFont *font,
guint font_width,
guint font_height,
const char *text,
guint num_text_lines,
guint text_line_widths[],
guint text_line_heights[],
guint *max_width_out,
guint *total_height_out);
void nautilus_scalable_font_draw_text_lines (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
guint num_text_lines,
const guint *text_line_widths,
const guint *text_line_heights,
GtkJustification justification,
guint line_offset,
guint32 color,
guchar overall_alpha);
guint nautilus_scalable_font_largest_fitting_font_size (const NautilusScalableFont *font,
const char *text,
guint available_width,
const guint font_sizes[],
guint num_font_sizes);
NautilusScalableFont *nautilus_scalable_font_get_default_font (void);
NautilusStringList * nautilus_scalable_font_get_font_family_list (void);
gboolean nautilus_scalable_font_query_font (const char *family,
NautilusStringList **weights,
NautilusStringList **slants,
NautilusStringList **set_widths);
gboolean nautilus_scalable_font_query_font (const char *family,
NautilusStringList **weights,
NautilusStringList **slants,
NautilusStringList **set_widths);
GtkType nautilus_scalable_font_get_type (void);
GtkObject * nautilus_scalable_font_new (const char *family,
const char *weight,
const char *slant,
const char *set_width);
void nautilus_scalable_font_measure_text (const NautilusScalableFont *font,
guint font_width,
guint font_height,
const char *text,
guint text_length,
guint *text_width_out,
guint *text_height_out);
void nautilus_scalable_font_draw_text (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
guint text_length,
guint32 color,
guchar overall_alpha);
void nautilus_scalable_font_measure_text_lines (const NautilusScalableFont *font,
guint font_width,
guint font_height,
const char *text,
guint num_text_lines,
guint text_line_widths[],
guint text_line_heights[],
guint *max_width_out,
guint *total_height_out);
void nautilus_scalable_font_draw_text_lines_with_dimensions (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
guint num_text_lines,
const guint *text_line_widths,
const guint *text_line_heights,
GtkJustification justification,
guint line_offset,
guint32 color,
guchar overall_alpha);
void nautilus_scalable_font_draw_text_lines (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
GtkJustification justification,
guint line_offset,
guint32 color,
guchar overall_alpha);
guint nautilus_scalable_font_largest_fitting_font_size (const NautilusScalableFont *font,
const char *text,
guint available_width,
const guint font_sizes[],
guint num_font_sizes);
NautilusScalableFont *nautilus_scalable_font_get_default_font (void);
NautilusStringList * nautilus_scalable_font_get_font_family_list (void);
gboolean nautilus_scalable_font_query_font (const char *family,
NautilusStringList **weights,
NautilusStringList **slants,
NautilusStringList **set_widths);
gboolean nautilus_scalable_font_query_font (const char *family,
NautilusStringList **weights,
NautilusStringList **slants,
NautilusStringList **set_widths);
END_GNOME_DECLS

60
libnautilus-private/nautilus-label.c
View file

@ -357,41 +357,41 @@ render_buffer_pixbuf (NautilusBufferedWidget *buffered_widget,
if (label->detail->drop_shadow_offset > 0) {
text_x += label->detail->drop_shadow_offset;
text_y += label->detail->drop_shadow_offset;
nautilus_scalable_font_draw_text_lines (label->detail->font,
buffer,
text_x,
text_y,
&clip_area,
label->detail->font_size,
label->detail->font_size,
label->detail->text,
label->detail->num_text_lines,
label->detail->text_line_widths,
label->detail->text_line_heights,
label->detail->text_justification,
label->detail->line_offset,
label->detail->drop_shadow_color,
label->detail->text_alpha);
nautilus_scalable_font_draw_text_lines_with_dimensions (label->detail->font,
buffer,
text_x,
text_y,
&clip_area,
label->detail->font_size,
label->detail->font_size,
label->detail->text,
label->detail->num_text_lines,
label->detail->text_line_widths,
label->detail->text_line_heights,
label->detail->text_justification,
label->detail->line_offset,
label->detail->drop_shadow_color,
label->detail->text_alpha);
text_x -= label->detail->drop_shadow_offset;
text_y -= label->detail->drop_shadow_offset;
}
nautilus_scalable_font_draw_text_lines (label->detail->font,
buffer,
text_x,
text_y,
&clip_area,
label->detail->font_size,
label->detail->font_size,
label->detail->text,
label->detail->num_text_lines,
label->detail->text_line_widths,
label->detail->text_line_heights,
label->detail->text_justification,
label->detail->line_offset,
label->detail->text_color,
label->detail->text_alpha);
nautilus_scalable_font_draw_text_lines_with_dimensions (label->detail->font,
buffer,
text_x,
text_y,
&clip_area,
label->detail->font_size,
label->detail->font_size,
label->detail->text,
label->detail->num_text_lines,
label->detail->text_line_widths,
label->detail->text_line_heights,
label->detail->text_justification,
label->detail->line_offset,
label->detail->text_color,
label->detail->text_alpha);
}
}

150
libnautilus-private/nautilus-scalable-font.c
View file

@ -848,32 +848,28 @@ nautilus_scalable_font_measure_text_lines (const NautilusScalableFont *font,
}
void
nautilus_scalable_font_draw_text_lines (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
guint num_text_lines,
const guint *text_line_widths,
const guint *text_line_heights,
GtkJustification justification,
guint line_offset,
guint32 color,
guchar overall_alpha)
nautilus_scalable_font_draw_text_lines_with_dimensions (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
guint num_text_lines,
const guint *text_line_widths,
const guint *text_line_heights,
GtkJustification justification,
guint line_offset,
guint32 color,
guchar overall_alpha)
{
guint i;
const char *line;
guint i;
const char *line;
guint available_width;
guint available_height;
guint *temp_text_line_widths = NULL;
guint *temp_text_line_heights = NULL;
guint available_width;
guint available_height;
guint max_num_text_lines;
// guint max_num_text_lines;
g_return_if_fail (NAUTILUS_IS_SCALABLE_FONT (font));
g_return_if_fail (destination_pixbuf != NULL);
@ -886,43 +882,13 @@ nautilus_scalable_font_draw_text_lines (const NautilusScalableFont *font,
g_return_if_fail (clip_area->y1 > clip_area->y0);
g_return_if_fail (num_text_lines > 0);
g_return_if_fail (num_text_lines <= (nautilus_str_count_characters (text, '\n') + 1));
g_return_if_fail (text_line_widths != NULL);
g_return_if_fail (text_line_widths != NULL);
available_width = clip_area->x1 - clip_area->x0;
available_height = clip_area->y1 - clip_area->y0;
if (text_line_widths) {
g_return_if_fail (text_line_heights != NULL);
}
if (text_line_heights) {
g_return_if_fail (text_line_widths != NULL);
}
max_num_text_lines = (available_height / font_height);
if (text_line_widths == NULL && text_line_heights == NULL) {
temp_text_line_widths = g_new (guint, num_text_lines);
temp_text_line_heights = g_new (guint, num_text_lines);
nautilus_scalable_font_measure_text_lines (font,
font_width,
font_height,
text,
num_text_lines,
temp_text_line_widths,
temp_text_line_heights,
NULL,
NULL);
text_line_widths = temp_text_line_widths;
text_line_heights = temp_text_line_heights;
}
g_return_if_fail (text_line_widths != NULL);
g_return_if_fail (text_line_heights != NULL);
// x = clip_area->x0;
// y = clip_area->y0;
// max_num_text_lines = (available_height / font_height);
line = text;
@ -1001,14 +967,72 @@ nautilus_scalable_font_draw_text_lines (const NautilusScalableFont *font,
line = NULL;
}
}
}
if (temp_text_line_widths != NULL) {
g_free (temp_text_line_widths);
}
void
nautilus_scalable_font_draw_text_lines (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
GtkJustification justification,
guint line_offset,
guint32 color,
guchar overall_alpha)
{
guint num_text_lines;
guint *text_line_widths;
guint *text_line_heights;
if (temp_text_line_heights != NULL) {
g_free (temp_text_line_heights);
}
g_return_if_fail (NAUTILUS_IS_SCALABLE_FONT (font));
g_return_if_fail (destination_pixbuf != NULL);
g_return_if_fail (gdk_pixbuf_get_has_alpha (destination_pixbuf));
g_return_if_fail (clip_area != NULL);
g_return_if_fail (font_width > 0);
g_return_if_fail (font_height > 0);
g_return_if_fail (justification >= GTK_JUSTIFY_LEFT && justification <= GTK_JUSTIFY_FILL);
g_return_if_fail (clip_area->x1 > clip_area->x0);
g_return_if_fail (clip_area->y1 > clip_area->y0);
if (text == NULL || text[0] == '\0') {
return;
}
num_text_lines = nautilus_str_count_characters (text, '\n') + 1;
text_line_widths = g_new (guint, num_text_lines);
text_line_heights = g_new (guint, num_text_lines);
nautilus_scalable_font_measure_text_lines (font,
font_width,
font_height,
text,
num_text_lines,
text_line_widths,
text_line_heights,
NULL,
NULL);
nautilus_scalable_font_draw_text_lines_with_dimensions (font,
destination_pixbuf,
x,
y,
clip_area,
font_width,
font_height,
text,
num_text_lines,
text_line_widths,
text_line_heights,
justification,
line_offset,
color,
overall_alpha);
g_free (text_line_widths);
g_free (text_line_heights);
}
guint

137
libnautilus-private/nautilus-scalable-font.h
View file

@ -72,68 +72,81 @@ struct _NautilusScalableFontClass
GtkObjectClass parent_class;
};
GtkType nautilus_scalable_font_get_type (void);
GtkObject * nautilus_scalable_font_new (const char *family,
const char *weight,
const char *slant,
const char *set_width);
void nautilus_scalable_font_measure_text (const NautilusScalableFont *font,
guint font_width,
guint font_height,
const char *text,
guint text_length,
guint *text_width_out,
guint *text_height_out);
void nautilus_scalable_font_draw_text (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
guint text_length,
guint32 color,
guchar overall_alpha);
void nautilus_scalable_font_measure_text_lines (const NautilusScalableFont *font,
guint font_width,
guint font_height,
const char *text,
guint num_text_lines,
guint text_line_widths[],
guint text_line_heights[],
guint *max_width_out,
guint *total_height_out);
void nautilus_scalable_font_draw_text_lines (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
guint num_text_lines,
const guint *text_line_widths,
const guint *text_line_heights,
GtkJustification justification,
guint line_offset,
guint32 color,
guchar overall_alpha);
guint nautilus_scalable_font_largest_fitting_font_size (const NautilusScalableFont *font,
const char *text,
guint available_width,
const guint font_sizes[],
guint num_font_sizes);
NautilusScalableFont *nautilus_scalable_font_get_default_font (void);
NautilusStringList * nautilus_scalable_font_get_font_family_list (void);
gboolean nautilus_scalable_font_query_font (const char *family,
NautilusStringList **weights,
NautilusStringList **slants,
NautilusStringList **set_widths);
gboolean nautilus_scalable_font_query_font (const char *family,
NautilusStringList **weights,
NautilusStringList **slants,
NautilusStringList **set_widths);
GtkType nautilus_scalable_font_get_type (void);
GtkObject * nautilus_scalable_font_new (const char *family,
const char *weight,
const char *slant,
const char *set_width);
void nautilus_scalable_font_measure_text (const NautilusScalableFont *font,
guint font_width,
guint font_height,
const char *text,
guint text_length,
guint *text_width_out,
guint *text_height_out);
void nautilus_scalable_font_draw_text (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
guint text_length,
guint32 color,
guchar overall_alpha);
void nautilus_scalable_font_measure_text_lines (const NautilusScalableFont *font,
guint font_width,
guint font_height,
const char *text,
guint num_text_lines,
guint text_line_widths[],
guint text_line_heights[],
guint *max_width_out,
guint *total_height_out);
void nautilus_scalable_font_draw_text_lines_with_dimensions (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
guint num_text_lines,
const guint *text_line_widths,
const guint *text_line_heights,
GtkJustification justification,
guint line_offset,
guint32 color,
guchar overall_alpha);
void nautilus_scalable_font_draw_text_lines (const NautilusScalableFont *font,
GdkPixbuf *destination_pixbuf,
int x,
int y,
const ArtIRect *clip_area,
guint font_width,
guint font_height,
const char *text,
GtkJustification justification,
guint line_offset,
guint32 color,
guchar overall_alpha);
guint nautilus_scalable_font_largest_fitting_font_size (const NautilusScalableFont *font,
const char *text,
guint available_width,
const guint font_sizes[],
guint num_font_sizes);
NautilusScalableFont *nautilus_scalable_font_get_default_font (void);
NautilusStringList * nautilus_scalable_font_get_font_family_list (void);
gboolean nautilus_scalable_font_query_font (const char *family,
NautilusStringList **weights,
NautilusStringList **slants,
NautilusStringList **set_widths);
gboolean nautilus_scalable_font_query_font (const char *family,
NautilusStringList **weights,
NautilusStringList **slants,
NautilusStringList **set_widths);
END_GNOME_DECLS

81
test/test-nautilus-font.c
View file

@ -25,11 +25,6 @@ main (int argc, char* argv[])
{
GdkPixbuf *pixbuf;
NautilusScalableFont *font;
guint num_text_lines;
guint *text_line_widths;
guint *text_line_heights;
guint max_width_out;
guint total_height_out;
const char *text = "\nLine Two\n\nLine Four\n\n\nLine Seven\n";
const guint font_width = 48;
@ -40,6 +35,7 @@ main (int argc, char* argv[])
GdkRectangle blue_area;
ArtIRect clip_area;
ArtIRect whole_area;
gtk_init (&argc, &argv);
gdk_rgb_init ();
@ -50,64 +46,81 @@ main (int argc, char* argv[])
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, pixbuf_width, pixbuf_height);
g_assert (pixbuf != NULL);
blue_area.x = 20;
/* Measure some text lines */
{
guint num_text_lines;
guint *text_line_widths;
guint *text_line_heights;
guint max_width_out;
guint total_height_out;
num_text_lines = nautilus_str_count_characters (text, '\n') + 1;
text_line_widths = g_new (guint, num_text_lines);
text_line_heights = g_new (guint, num_text_lines);
nautilus_scalable_font_measure_text_lines (font,
font_width,
font_height,
text,
num_text_lines,
text_line_widths,
text_line_heights,
&max_width_out,
&total_height_out);
g_print ("num_text_lines = %d, max_width = %d, total_height = %d\n",
num_text_lines,
max_width_out,
total_height_out);
g_free (text_line_widths);
g_free (text_line_heights);
}
blue_area.x = 300;
blue_area.y = 20;
blue_area.width = 100;
blue_area.height = 400;
nautilus_gdk_pixbuf_fill_rectangle_with_color (pixbuf, &blue_area, NAUTILUS_RGBA_COLOR_PACK (0, 0, 255, 255));
num_text_lines = nautilus_str_count_characters (text, '\n') + 1;
text_line_widths = g_new (guint, num_text_lines);
text_line_heights = g_new (guint, num_text_lines);
nautilus_scalable_font_measure_text_lines (font,
font_width,
font_height,
text,
num_text_lines,
text_line_widths,
text_line_heights,
&max_width_out,
&total_height_out);
g_print ("max_width = %d, total_height = %d\n", max_width_out, total_height_out);
clip_area.x0 = blue_area.x;
clip_area.y0 = blue_area.y;
clip_area.x1 = blue_area.x + blue_area.width;
clip_area.y1 = blue_area.y + blue_area.height;
#if 0
whole_area.x0 = 0;
whole_area.y0 = 0;
whole_area.x1 = whole_area.x0 + pixbuf_width;
whole_area.y1 = whole_area.y0 + pixbuf_height;
/* Draw some green text clipped by the whole pixbuf area */
nautilus_scalable_font_draw_text_lines (font,
pixbuf,
0,
0,
&clip_area,
&whole_area,
font_width,
font_height,
text,
num_text_lines,
text_line_widths,
text_line_heights,
GTK_JUSTIFY_LEFT,
2,
NAUTILUS_RGB_COLOR_RED,
NAUTILUS_RGBA_COLOR_PACK (0, 255, 0, 255),
255);
#else
/* Draw some red text clipped by the blue area */
nautilus_scalable_font_draw_text (font,
pixbuf,
10,
30,
clip_area.x0,
clip_area.y0,
&clip_area,
font_width,
font_height,
"Something",
strlen ("Something"),
NAUTILUS_RGB_COLOR_RED,
NAUTILUS_RGBA_COLOR_PACK (255, 0, 0, 255),
255);
#endif
nautilus_gdk_pixbuf_save_to_file (pixbuf, "font_test.png");