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taskbar: draw softer shadows so that text is more readable

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git-svn-id: http://tint2.googlecode.com/svn/trunk@661 121b4492-b84c-0410-8b4c-0d4edfb3f3cc
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o9000 2015-01-21 00:27:40 +00:00 committed by mrovi9000@gmail.com
parent 42469038a8
commit 9ac902b62b
2 changed files with 19 additions and 8 deletions
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2
CMakeLists.txt
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@ -109,6 +109,8 @@ if( RT_LIBRARY )
target_link_libraries( tint2 ${RT_LIBRARY} )
endif( RT_LIBRARY )
target_link_libraries( tint2 m )
add_dependencies( tint2 version )
set_target_properties( tint2 PROPERTIES COMPILE_FLAGS "-Wall -pthread" )
set_target_properties(tint2 PROPERTIES LINK_FLAGS "-pthread" )

25
src/taskbar/task.c
View file

@ -26,6 +26,7 @@
#include <string.h>
#include <glib.h>
#include <unistd.h>
#include <math.h>
#include "window.h"
#include "task.h"
@ -371,19 +372,27 @@ void draw_task (void *obj, cairo_t *c)
pango_layout_get_pixel_size (layout, &width, &height);
config_text = &panel->g_task.font[tsk->current_state];
cairo_set_source_rgba (c, config_text->color[0], config_text->color[1], config_text->color[2], config_text->alpha);
pango_cairo_update_layout (c, layout);
double text_posy = (panel->g_task.area.height - height) / 2.0;
if (panel->g_task.font_shadow) {
const int shadow_size = 3;
const double shadow_edge_alpha = 0.05;
int i, j;
for (i = -shadow_size; i <= shadow_size; i++) {
for (j = -shadow_size; j <= shadow_size; j++) {
cairo_set_source_rgba(c, 0.0, 0.0, 0.0, 1.0 - (1.0 - shadow_edge_alpha) * sqrt((i*i + j*j)/(double)(shadow_size*shadow_size)));
pango_cairo_update_layout(c, layout);
cairo_move_to(c, panel->g_task.text_posx + i, text_posy + j);
pango_cairo_show_layout(c, layout);
}
}
}
cairo_set_source_rgba (c, config_text->color[0], config_text->color[1], config_text->color[2], config_text->alpha);
pango_cairo_update_layout (c, layout);
cairo_move_to (c, panel->g_task.text_posx, text_posy);
pango_cairo_show_layout (c, layout);
if (panel->g_task.font_shadow) {
cairo_set_source_rgba (c, 0.0, 0.0, 0.0, 0.5);
pango_cairo_update_layout (c, layout);
cairo_move_to (c, panel->g_task.text_posx + 1, text_posy + 1);
pango_cairo_show_layout (c, layout);
}
g_object_unref (layout);
}