[cairo] [PATCH pixman 02/11] demos/scale: Added pulldown to choose PIXMAN_FILTER_* value
Bill Spitzak
spitzak at gmail.com
Fri Sep 26 19:06:01 PDT 2014
This allows testing of GOOD/BEST and to do comparisons between
the basic filters and PIXMAN_FILTER_SEPARABLE_CONVOLUTION settings.
---
demos/scale.c | 14 +++++++++++++-
demos/scale.ui | 40 ++++++++++++++++++++++++++++++----------
2 files changed, 43 insertions(+), 11 deletions(-)
diff --git a/demos/scale.c b/demos/scale.c
index 71c7791..203168f 100644
--- a/demos/scale.c
+++ b/demos/scale.c
@@ -68,6 +68,15 @@ typedef struct
int value;
} named_int_t;
+static const named_int_t filter_types[] =
+{
+ { "Separable", PIXMAN_FILTER_SEPARABLE_CONVOLUTION },
+ { "Nearest", PIXMAN_FILTER_NEAREST },
+ { "Bilinear", PIXMAN_FILTER_BILINEAR },
+ { "Good", PIXMAN_FILTER_GOOD },
+ { "Best", PIXMAN_FILTER_BEST },
+};
+
static const named_int_t filters[] =
{
{ "Box", PIXMAN_KERNEL_BOX },
@@ -201,7 +210,9 @@ rescale (GtkWidget *may_be_null, app_t *app)
gtk_adjustment_get_value (app->subsample_adjustment),
gtk_adjustment_get_value (app->subsample_adjustment));
- pixman_image_set_filter (app->original, PIXMAN_FILTER_SEPARABLE_CONVOLUTION, params, n_params);
+ pixman_image_set_filter (app->original,
+ get_value (app, filter_types, "filter_combo_box"),
+ params, n_params);
pixman_image_set_repeat (
app->original, get_value (app, repeats, "repeat_combo_box"));
@@ -343,6 +354,7 @@ app_new (pixman_image_t *original)
widget = get_widget (app, "drawing_area");
g_signal_connect (widget, "expose_event", G_CALLBACK (on_expose), app);
+ set_up_combo_box (app, "filter_combo_box", G_N_ELEMENTS (filter_types), filter_types);
set_up_filter_box (app, "reconstruct_x_combo_box");
set_up_filter_box (app, "reconstruct_y_combo_box");
set_up_filter_box (app, "sample_x_combo_box");
diff --git a/demos/scale.ui b/demos/scale.ui
index ee985dd..b62cbfb 100644
--- a/demos/scale.ui
+++ b/demos/scale.ui
@@ -191,12 +191,23 @@
<property name="column_spacing">8</property>
<property name="row_spacing">6</property>
<child>
+ <object class="GtkLabel" id="labelF">
+ <property name="visible">True</property>
+ <property name="xalign">1</property>
+ <property name="label" translatable="yes"><b>Filter:</b></property>
+ <property name="use_markup">True</property>
+ </object>
+ </child>
+ <child>
<object class="GtkLabel" id="label4">
<property name="visible">True</property>
<property name="xalign">1</property>
<property name="label" translatable="yes"><b>Reconstruct X:</b></property>
<property name="use_markup">True</property>
</object>
+ <packing>
+ <property name="top_attach">1</property>
+ </packing>
</child>
<child>
<object class="GtkLabel" id="label5">
@@ -206,7 +217,7 @@
<property name="use_markup">True</property>
</object>
<packing>
- <property name="top_attach">1</property>
+ <property name="top_attach">2</property>
</packing>
</child>
<child>
@@ -217,7 +228,7 @@
<property name="use_markup">True</property>
</object>
<packing>
- <property name="top_attach">2</property>
+ <property name="top_attach">3</property>
</packing>
</child>
<child>
@@ -228,7 +239,7 @@
<property name="use_markup">True</property>
</object>
<packing>
- <property name="top_attach">3</property>
+ <property name="top_attach">4</property>
</packing>
</child>
<child>
@@ -239,7 +250,7 @@
<property name="use_markup">True</property>
</object>
<packing>
- <property name="top_attach">4</property>
+ <property name="top_attach">5</property>
</packing>
</child>
<child>
@@ -250,7 +261,15 @@
<property name="use_markup">True</property>
</object>
<packing>
- <property name="top_attach">5</property>
+ <property name="top_attach">6</property>
+ </packing>
+ </child>
+ <child>
+ <object class="GtkComboBox" id="filter_combo_box">
+ <property name="visible">True</property>
+ </object>
+ <packing>
+ <property name="left_attach">1</property>
</packing>
</child>
<child>
@@ -259,6 +278,7 @@
</object>
<packing>
<property name="left_attach">1</property>
+ <property name="top_attach">1</property>
</packing>
</child>
<child>
@@ -267,7 +287,7 @@
</object>
<packing>
<property name="left_attach">1</property>
- <property name="top_attach">1</property>
+ <property name="top_attach">2</property>
</packing>
</child>
<child>
@@ -276,7 +296,7 @@
</object>
<packing>
<property name="left_attach">1</property>
- <property name="top_attach">2</property>
+ <property name="top_attach">3</property>
</packing>
</child>
<child>
@@ -285,7 +305,7 @@
</object>
<packing>
<property name="left_attach">1</property>
- <property name="top_attach">3</property>
+ <property name="top_attach">4</property>
</packing>
</child>
<child>
@@ -294,7 +314,7 @@
</object>
<packing>
<property name="left_attach">1</property>
- <property name="top_attach">4</property>
+ <property name="top_attach">5</property>
</packing>
</child>
<child>
@@ -304,7 +324,7 @@
</object>
<packing>
<property name="left_attach">1</property>
- <property name="top_attach">5</property>
+ <property name="top_attach">6</property>
</packing>
</child>
</object>
--
1.7.9.5
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