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change so that it renders the text at a number of different sizes, like

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2002-12-05  James Henstridge  <james@daa.com.au>

    * src/font-view.c (main): change so that it renders the text at a
    number of different sizes, like fontcarton did.  Need to show some
    info about the font too ...
This commit is contained in:
James Henstridge 2002-12-05 02:12:12 +00:00 • committed by James Henstridge
parent ee4c39379f
commit fad0b07622
2 changed files with 80 additions and 32 deletions
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6
vfs-methods/fontilus/ChangeLog
View file

@ -1,3 +1,9 @@
2002-12-05 James Henstridge <james@daa.com.au>
* src/font-view.c (main): change so that it renders the text at a
number of different sizes, like fontcarton did. Need to show some
info about the font too ...
2002-12-04 James Henstridge <james@daa.com.au>
* src/font-view.c (main): get font to render correctly. Things

106
vfs-methods/fontilus/font-view.c
View file

@ -5,40 +5,87 @@
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
static XftFont *font;
static XftDraw *draw = NULL;
static XftColor colour;
FT_Error FT_New_Face_From_URI(FT_Library library,
const gchar *uri,
FT_Long face_index,
FT_Face *aface);
static void
realize(GtkWidget *widget)
/* height is a little more than needed to display all sizes */
#define FONTAREA_WIDTH 500
#define FONTAREA_HEIGHT 236
static GdkPixmap *
create_text_pixmap(GtkWidget *drawing_area, FT_Face face)
{
static const gint sizes[] = { 8, 10, 12, 18, 24, 36, 48, 72 };
gint i, pos_y, textlen;
GdkPixmap *pixmap;
gchar *text;
Display *xdisplay;
Drawable xdrawable;
Visual *xvisual;
Colormap xcolormap;
XftDraw *draw;
XftColor colour;
xdisplay = GDK_WINDOW_XDISPLAY(widget->window);
xdrawable = GDK_DRAWABLE_XID(widget->window);
xvisual = GDK_VISUAL_XVISUAL(gdk_drawable_get_visual(widget->window));
xcolormap = GDK_COLORMAP_XCOLORMAP(gdk_drawable_get_colormap(widget->window));
text = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
textlen = strlen(text);
/* create pixmap */
gtk_widget_set_size_request(drawing_area, FONTAREA_WIDTH, FONTAREA_HEIGHT);
gtk_widget_realize(drawing_area);
pixmap = gdk_pixmap_new(drawing_area->window,
FONTAREA_WIDTH, FONTAREA_HEIGHT, -1);
if (!pixmap)
return NULL;
gdk_draw_rectangle(pixmap, drawing_area->style->white_gc,
TRUE, 0, 0, FONTAREA_WIDTH, FONTAREA_HEIGHT);
/* create the XftDraw */
xdisplay = GDK_PIXMAP_XDISPLAY(pixmap);
xdrawable = GDK_DRAWABLE_XID(pixmap);
xvisual = GDK_VISUAL_XVISUAL(gdk_drawable_get_visual(pixmap));
xcolormap = GDK_COLORMAP_XCOLORMAP(gdk_drawable_get_colormap(pixmap));
draw = XftDrawCreate(xdisplay, xdrawable, xvisual, xcolormap);
if (!draw) {
g_warning("could not create Xft drawable");
return;
}
XftColorAllocName(xdisplay, xvisual, xcolormap, "black", &colour);
pos_y = 4;
for (i = 0; i < G_N_ELEMENTS(sizes); i++) {
FcPattern *pattern;
XftFont *font;
pattern = FcPatternBuild(NULL,
FC_FT_FACE, FcTypeFTFace, face,
FC_PIXEL_SIZE, FcTypeDouble, (double)sizes[i],
NULL);
font = XftFontOpenPattern(xdisplay, pattern);
FcPatternDestroy(pattern);
if (!font) {
g_printerr("could not load Xft face\n");
goto endloop;
}
XftDrawString8(draw, &colour, font, 5, pos_y + font->ascent,
text, textlen);
XftFontClose(xdisplay, font);
endloop:
pos_y += sizes[i];
}
return pixmap;
}
static gboolean
expose_event(GtkWidget *widget, GdkEventExpose *event)
expose_event(GtkWidget *widget, GdkEventExpose *event, GdkPixmap *pixmap)
{
XftDrawString8(draw, &colour, font, 50, 50, "Foo bar", 7);
gdk_draw_drawable(widget->window,
widget->style->fg_gc[GTK_WIDGET_STATE (widget)],
pixmap,
event->area.x, event->area.y,
event->area.x, event->area.y,
event->area.width, event->area.height);
return FALSE;
}
int
@ -47,9 +94,10 @@ main(int argc, char **argv)
FT_Error error;
FT_Library library;
FT_Face face;
FcPattern *pattern;
gchar *title;
GtkWidget *window;
GtkWidget *drawing_area;
GdkPixmap *pixmap;
GdkColor white = { 0, 0xffff, 0xffff, 0xffff };
gtk_init(&argc, &argv);
@ -81,29 +129,23 @@ main(int argc, char **argv)
return 1;
}
pattern = FcPatternBuild(NULL,
FC_FT_FACE, FcTypeFTFace, face,
FC_PIXEL_SIZE, FcTypeDouble, 48.0,
NULL);
font = XftFontOpenPattern(GDK_DISPLAY(), pattern);
if (!font) {
g_printerr("could not load Xft face\n");
return 1;
}
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), "Foo");
title = g_strconcat(face->family_name,
face->style_name ? ", " : "",
face->style_name, NULL);
gtk_window_set_title(GTK_WINDOW(window), title);
g_free(title);
gtk_window_set_resizable(GTK_WINDOW(window), FALSE);
drawing_area = gtk_drawing_area_new();
gtk_widget_modify_bg(drawing_area, GTK_STATE_NORMAL, &white);
gtk_widget_set_double_buffered(drawing_area, FALSE);
gtk_widget_set_size_request(drawing_area, 300, 300);
gtk_container_add(GTK_CONTAINER(window), drawing_area);
g_signal_connect_after(drawing_area, "realize",
G_CALLBACK(realize), NULL);
pixmap = create_text_pixmap(drawing_area, face);
g_signal_connect(drawing_area, "expose_event",
G_CALLBACK(expose_event), NULL);
G_CALLBACK(expose_event), pixmap);
g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
gtk_widget_show_all(window);