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-rw-r--r--src/play-button.c467
1 files changed, 288 insertions, 179 deletions
diff --git a/src/play-button.c b/src/play-button.c
index 347a0bc..3c5b120 100644
--- a/src/play-button.c
+++ b/src/play-button.c
@@ -3,6 +3,7 @@ Copyright 2010 Canonical Ltd.
Authors:
Conor Curran <conor.curran@canonical.com>
+ Mirco Müller <mirco.mueller@canonical.com>
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License version 3, as published
@@ -431,6 +432,147 @@ draw_circle (cairo_t* cr,
}
static void
+_setup (cairo_t** cr,
+ cairo_surface_t** surf,
+ gint width,
+ gint height)
+{
+ if (!cr || !surf)
+ return;
+
+ *surf = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
+ *cr = cairo_create (*surf);
+ cairo_scale (*cr, 1.0f, 1.0f);
+ cairo_set_operator (*cr, CAIRO_OPERATOR_CLEAR);
+ cairo_paint (*cr);
+ cairo_set_operator (*cr, CAIRO_OPERATOR_OVER);
+}
+
+static void
+_mask_prev (cairo_t* cr,
+ double x,
+ double y,
+ double tri_width,
+ double tri_height,
+ double tri_offset)
+{
+ if (!cr)
+ return;
+
+ cairo_move_to (cr, x, y + tri_height / 2.0f);
+ cairo_line_to (cr, x + tri_width, y);
+ cairo_line_to (cr, x + tri_width, y + tri_height);
+ x += tri_offset;
+ cairo_move_to (cr, x, y + tri_height / 2.0f);
+ cairo_line_to (cr, x + tri_width, y);
+ cairo_line_to (cr, x + tri_width, y + tri_height);
+ x -= tri_offset;
+ cairo_rectangle (cr, x, y, 2.5f, tri_height);
+ cairo_close_path (cr);
+}
+
+static void
+_mask_next (cairo_t* cr,
+ double x,
+ double y,
+ double tri_width,
+ double tri_height,
+ double tri_offset)
+{
+ if (!cr)
+ return;
+
+ cairo_move_to (cr, x, y);
+ cairo_line_to (cr, x + tri_width, y + tri_height / 2.0f);
+ cairo_line_to (cr, x, y + tri_height);
+ x += tri_offset;
+ cairo_move_to (cr, x, y);
+ cairo_line_to (cr, x + tri_width, y + tri_height / 2.0f);
+ cairo_line_to (cr, x, y + tri_height);
+ x -= tri_offset;
+ x += 2.0f * tri_width - tri_offset - 1.0f;
+ cairo_rectangle (cr, x, y, 2.5f, tri_height);
+
+ cairo_close_path (cr);
+}
+
+static void
+_mask_pause (cairo_t* cr,
+ double x,
+ double y,
+ double bar_width,
+ double bar_height,
+ double bar_offset)
+{
+ if (!cr)
+ return;
+
+ cairo_set_line_width (cr, bar_width);
+ cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
+
+ x += bar_width;
+ y += bar_width;
+ cairo_move_to (cr, x, y);
+ cairo_line_to (cr, x, y + bar_height);
+ cairo_move_to (cr, x + bar_offset, y);
+ cairo_line_to (cr, x + bar_offset, y + bar_height);
+
+ //cairo_close_path (cr);
+}
+
+static void
+_fill (cairo_t* cr,
+ double x_start,
+ double y_start,
+ double x_end,
+ double y_end,
+ double* rgba_start,
+ double* rgba_end,
+ gboolean stroke)
+{
+ cairo_pattern_t* pattern = NULL;
+
+ if (!cr || !rgba_start || !rgba_end)
+ return;
+
+ pattern = cairo_pattern_create_linear (x_start, y_start, x_end, y_end);
+ cairo_pattern_add_color_stop_rgba (pattern,
+ 0.0f,
+ rgba_start[0],
+ rgba_start[1],
+ rgba_start[2],
+ rgba_start[3]);
+ cairo_pattern_add_color_stop_rgba (pattern,
+ 1.0f,
+ rgba_end[0],
+ rgba_end[1],
+ rgba_end[2],
+ rgba_end[3]);
+ cairo_set_source (cr, pattern);
+ if (stroke)
+ cairo_stroke (cr);
+ else
+ cairo_fill (cr);
+ cairo_pattern_destroy (pattern);
+}
+
+static void
+_finalize (cairo_t* cr,
+ cairo_t** cr_surf,
+ cairo_surface_t** surf,
+ double x,
+ double y)
+{
+ if (!cr || !cr_surf || !surf)
+ return;
+
+ cairo_set_source_surface (cr, *surf, x, y);
+ cairo_paint (cr);
+ cairo_surface_destroy (*surf);
+ cairo_destroy (*cr_surf);
+}
+
+static void
draw (GtkWidget* button, cairo_t *cr)
{
//PlayButtonPrivate* priv = PLAY_BUTTON_GET_PRIVATE(button);
@@ -470,11 +612,40 @@ draw (GtkWidget* button, cairo_t *cr)
double circle_radius = 19.0f;
- //double radius=35;
- //double x= button->allocation.width/2 - rect_width/2;
- //double y= button->allocation.height/2 -rect_height/2;
-
- // ffwd/back-background
+ double button_start[] = {252.0f / 255.0f,
+ 251.0f / 255.0f,
+ 251.0f / 255.0f,
+ 1.0f};
+ double button_end[] = {186.0f / 255.0f,
+ 180.0f / 255.0f,
+ 170.0f / 255.0f,
+ 1.0f};
+ double button_shadow[] = {0.0f / 255.0f,
+ 0.0f / 255.0f,
+ 0.0f / 255.0f,
+ 0.75f};
+ double prev_width = 25.0f;
+ double prev_height = 17.0f;
+ double next_width = prev_width;
+ double next_height = prev_height;
+ cairo_surface_t* surf = NULL;
+ cairo_t* cr_surf = NULL;
+ double tri_width = 11.0f;
+ double tri_height = 13.0f;
+ double tri_offset = 6.0f;
+ double prev_x = 20.0f;
+ double prev_y = 21.0f;
+ double next_x = 98.0f;
+ double next_y = prev_y;
+ double pause_width = 21.0f;
+ double pause_height = 27.0f;
+ double bar_width = 4.5f;
+ double bar_height = 24.0f;
+ double bar_offset = 10.0f;
+ double pause_x = 62.0f;
+ double pause_y = 15.0f;
+
+ // prev/next-background
draw_gradient (cr,
x,
y,
@@ -517,182 +688,120 @@ draw (GtkWidget* button, cairo_t *cr)
inner_start,
inner_end);
- // Draw the outside drop shadow background
- //play_button_draw_background_shadow_1(button, cr, x, y, rect_width, rect_height, p_radius);
-
- // Draw the inside drop shadow background
- /*gint offset = 4;
- play_button_draw_background_shadow_2(button, cr, x + offset-1, y + offset/2, rect_width-offset, rect_height-offset, p_radius-(offset/2));*/
-
- //offset = 5;
- // Draw the inside actual background
- /*play_button_draw_background(button, cr, x+offset-1, y + offset/2+1, rect_width-offset, rect_height-offset, p_radius-offset/2);
-
- play_button_draw_pause_symbol(cr, rect_width/2 + rect_height/10 + x -1 + offset/2, rect_height/5 +y );
-
- play_button_draw_pause_symbol(cr, rect_width/2 + rect_height/10 + x + offset/2 + 10, rect_height/5 +y );
- play_button_draw_previous_symbol(cr, x+rect_height/2 + offset, y + offset+2);*/
- cairo_surface_write_to_png(cairo_get_target (cr), "/tmp/foobar.png");
-}
-
-static void
-play_button_draw_previous_symbol(cairo_t* cr, double x, double y)
-{
- gint line_width = 2;
- cairo_set_line_width (cr, line_width);
- gint shape_height = 15;
- gint shape_width = 22;
- gint single_arrow_width=16;
-
- cairo_pattern_t *pat;
- pat = cairo_pattern_create_linear (x, y, x, y+shape_height);
-
- cairo_pattern_add_color_stop_rgb(pat, 0, 227/255.0, 222/255.0, 214/255.0);
- cairo_pattern_add_color_stop_rgb(pat, .1, 207/255.0, 201/255.0, 190/255.0);
- cairo_pattern_add_color_stop_rgb(pat, .4, 123/255.0, 123/255.0, 120/255.0);
- cairo_set_source (cr, pat);
-
- cairo_move_to(cr, x, y);
- cairo_rel_line_to (cr, 0, shape_height);
- cairo_stroke(cr);
-
- cairo_move_to (cr, x+line_width, y+shape_height/2);
- cairo_line_to (cr, x+single_arrow_width, y);
- cairo_line_to (cr, x+single_arrow_width, y+shape_height);
- cairo_line_to (cr, x+line_width, y+shape_height/2);
- cairo_fill(cr);
-
- cairo_pattern_destroy (pat);
- cairo_close_path(cr);
-}
-
-static void
-play_button_draw_pause_symbol(cairo_t* cr, double x, double y)
-{
- cairo_set_line_width (cr, 7);
- cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
- cairo_move_to (cr, x, y);
- cairo_rel_line_to (cr, 0, 18);
- //cairo_set_source_rgb(cr, 94/255.0, 93/255.0, 90/255.0);
-
- cairo_pattern_t *pat;
- pat = cairo_pattern_create_linear (x, y, x, y+16);
- cairo_pattern_add_color_stop_rgb(pat, 0, 227/255.0, 222/255.0, 214/255.0);
- cairo_pattern_add_color_stop_rgb(pat, .1, 207/255.0, 201/255.0, 190/255.0);
- cairo_pattern_add_color_stop_rgb(pat, .6, 123/255.0, 123/255.0, 120/255.0);
- cairo_set_source (cr, pat);
- cairo_stroke(cr);
- cairo_close_path(cr);
-
- cairo_set_line_width (cr, 5.5);
- cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
- cairo_move_to (cr, x, y+0.75);
- cairo_rel_line_to (cr, 0, 16.5);
-
- pat = cairo_pattern_create_linear (x+1, y+1, x+1, y+16);
- cairo_pattern_add_color_stop_rgb(pat, .3, 252/255.0, 252/255.0, 251/255.0);
- cairo_pattern_add_color_stop_rgb(pat, .8, 227/255.0, 222/255.0, 214/255.0);
- //cairo_pattern_add_color_stop_rgb(pat, .9, 207/255.0, 201/255.0, 190/255.0);
- cairo_set_source (cr, pat);
- cairo_stroke(cr);
- cairo_close_path(cr);
-
- cairo_pattern_destroy (pat);
-}
-
-static void
-play_button_draw_background(GtkWidget* button, cairo_t* cr, double x, double y, double rect_width, double rect_height, double p_radius)
-{
- double radius=rect_height/2;
- cairo_set_line_width (cr, rect_height);
- cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
- cairo_move_to(cr, x+radius, y+radius);
- cairo_line_to(cr, x+rect_width, y+radius);
-
- cairo_pattern_t *pat;
- pat = cairo_pattern_create_linear (x, y, x, y+rect_height);
- cairo_pattern_add_color_stop_rgb(pat, .5, 225/255.0, 218/255.0, 211/255.0);
- cairo_pattern_add_color_stop_rgb(pat, .7, 197/255.0, 192/255.0, 185/255.0);
- cairo_pattern_add_color_stop_rgb(pat, .9, 185/255.0, 179/255.0, 173/255.0);
- cairo_set_source (cr, pat);
- cairo_stroke (cr);
-
- cairo_close_path(cr);
- cairo_arc(cr, rect_width/2 + radius/2 + x + 2, rect_height/2 +y, p_radius, 0, 2*M_PI);
- cairo_set_source (cr, pat);
- cairo_fill(cr);
-
- cairo_close_path(cr);
- cairo_arc(cr, rect_width/2 + radius/2 + x + 2, rect_height/2 +y, p_radius, 0, 2*M_PI);
- cairo_set_source_rgb(cr, 94/255.0, 93/255.0, 90/255.0);
- cairo_set_line_width (cr, 0.75);
- cairo_stroke(cr);
- cairo_close_path(cr);
- cairo_pattern_destroy (pat);
-}
-
-static void
-play_button_draw_background_shadow_1(GtkWidget* button, cairo_t* cr, double x, double y, double rect_width, double rect_height, double p_radius)
-{
- double radius=rect_height/2;
-
- cairo_set_line_width (cr, rect_height);
- cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
- cairo_move_to(cr, x+radius, y+radius);
- cairo_line_to(cr, x+rect_width, y+radius);
-
- cairo_pattern_t *pat;
- pat = cairo_pattern_create_linear (x, y, x, y+rect_height);
- cairo_pattern_add_color_stop_rgb(pat, .4, 36/255.0, 35/255.0, 33/255.0);
- cairo_pattern_add_color_stop_rgb(pat, .7, 123/255.0, 123/255.0, 120/255.0);
- cairo_set_source (cr, pat);
- cairo_stroke (cr);
-
- cairo_close_path(cr);
- cairo_arc(cr, rect_width/2 + radius/2 + x + 2, rect_height/2 +y, p_radius, 0, 2*M_PI);
- pat = cairo_pattern_create_linear ((rect_width/2 + radius/2 + x), rect_height/2 + y-p_radius, (rect_width/2 + radius/2 + x), rect_height+(p_radius-rect_height/2));
- cairo_pattern_add_color_stop_rgb(pat, .4, 36/255.0, 35/255.0, 33/255.0);
- cairo_pattern_add_color_stop_rgb(pat, .7, 123/255.0, 123/255.0, 120/255.0);
- cairo_set_source (cr, pat);
- cairo_fill(cr);
- cairo_close_path(cr);
- cairo_pattern_destroy (pat);
-
-}
-
-static void
-play_button_draw_background_shadow_2(GtkWidget* button, cairo_t* cr, double x, double y, double rect_width, double rect_height, double p_radius)
-{
- double radius=rect_height/2;
-
- cairo_set_line_width (cr, rect_height);
- cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
- cairo_move_to(cr, x+radius, y+radius);
- cairo_line_to(cr, x+rect_width, y+radius);
-
- cairo_pattern_t *pat;
- pat = cairo_pattern_create_linear (x, y, x, y+rect_height);
- cairo_pattern_add_color_stop_rgb(pat, .4, 61/255.0, 60/255.0, 57/255.0);
- cairo_pattern_add_color_stop_rgb(pat, .7, 94/255.0, 93/255.0, 90/255.0);
- cairo_set_source (cr, pat);
- cairo_stroke (cr);
-
- cairo_close_path(cr);
- cairo_arc(cr, rect_width/2 + radius/2 + x + 2, rect_height/2 +y, p_radius, 0, 2*M_PI);
- pat = cairo_pattern_create_linear ((rect_width/2 + radius/2 + x), rect_height/2 + y-p_radius, (rect_width/2 + radius/2 + x), rect_height+(p_radius-rect_height/2));
- cairo_pattern_add_color_stop_rgb(pat, .4, 61/255.0, 60/255.0, 57/255.0);
- cairo_pattern_add_color_stop_rgb(pat, .7, 94/255.0, 93/255.0, 90/255.0);
-
- cairo_set_source (cr, pat);
- cairo_fill(cr);
- cairo_close_path(cr);
- cairo_pattern_destroy (pat);
-
+ // draw previous-button drop-shadow
+ _setup (&cr_surf, &surf, prev_width, prev_height);
+ _mask_prev (cr_surf,
+ (prev_width - (2.0f * tri_width - tri_offset)) / 2.0f,
+ (prev_height - tri_height) / 2.0f,
+ tri_width,
+ tri_height,
+ tri_offset);
+ _fill (cr_surf,
+ (prev_width - (2.0f * tri_width - tri_offset)) / 2.0f,
+ (prev_height - tri_height) / 2.0f,
+ (prev_width - (2.0f * tri_width - tri_offset)) / 2.0f,
+ (double) tri_height,
+ button_shadow,
+ button_shadow,
+ FALSE);
+ _surface_blur (surf, 1);
+ _finalize (cr, &cr_surf, &surf, prev_x, prev_y + 1.0f);
+
+ // draw previous-button
+ _setup (&cr_surf, &surf, prev_width, prev_height);
+ _mask_prev (cr_surf,
+ (prev_width - (2.0f * tri_width - tri_offset)) / 2.0f,
+ (prev_height - tri_height) / 2.0f,
+ tri_width,
+ tri_height,
+ tri_offset);
+ _fill (cr_surf,
+ (prev_width - (2.0f * tri_width - tri_offset)) / 2.0f,
+ (prev_height - tri_height) / 2.0f,
+ (prev_width - (2.0f * tri_width - tri_offset)) / 2.0f,
+ (double) tri_height,
+ button_start,
+ button_end,
+ FALSE);
+ _finalize (cr, &cr_surf, &surf, prev_x, prev_y);
+
+ // draw next-button drop-shadow
+ _setup (&cr_surf, &surf, next_width, next_height);
+ _mask_next (cr_surf,
+ (next_width - (2.0f * tri_width - tri_offset)) / 2.0f,
+ (next_height - tri_height) / 2.0f,
+ tri_width,
+ tri_height,
+ tri_offset);
+ _fill (cr_surf,
+ (next_width - (2.0f * tri_width - tri_offset)) / 2.0f,
+ (next_height - tri_height) / 2.0f,
+ (next_width - (2.0f * tri_width - tri_offset)) / 2.0f,
+ (double) tri_height,
+ button_shadow,
+ button_shadow,
+ FALSE);
+ _surface_blur (surf, 1);
+ _finalize (cr, &cr_surf, &surf, next_x, next_y + 1.0f);
+
+ // draw next-button
+ _setup (&cr_surf, &surf, next_width, next_height);
+ _mask_next (cr_surf,
+ (next_width - (2.0f * tri_width - tri_offset)) / 2.0f,
+ (next_height - tri_height) / 2.0f,
+ tri_width,
+ tri_height,
+ tri_offset);
+ _fill (cr_surf,
+ (next_width - (2.0f * tri_width - tri_offset)) / 2.0f,
+ (next_height - tri_height) / 2.0f,
+ (next_width - (2.0f * tri_width - tri_offset)) / 2.0f,
+ (double) tri_height,
+ button_start,
+ button_end,
+ FALSE);
+ _finalize (cr, &cr_surf, &surf, next_x, next_y);
+
+ // draw pause-button drop-shadow
+ _setup (&cr_surf, &surf, pause_width, pause_height);
+ _mask_pause (cr_surf,
+ (pause_width - (2.0f * bar_width + bar_offset)) / 2.0f,
+ (pause_height - bar_height) / 2.0f,
+ bar_width,
+ bar_height - 2.0f * bar_width,
+ bar_offset);
+ _fill (cr_surf,
+ (pause_width - (2.0f * bar_width + bar_offset)) / 2.0f,
+ (pause_height - bar_height) / 2.0f,
+ (pause_width - (2.0f * bar_width + bar_offset)) / 2.0f,
+ (double) bar_height,
+ button_shadow,
+ button_shadow,
+ TRUE);
+ _surface_blur (surf, 1);
+ _finalize (cr, &cr_surf, &surf, pause_x, pause_y + 1.0f);
+
+ // draw pause-button
+ _setup (&cr_surf, &surf, pause_width, pause_height);
+ _mask_pause (cr_surf,
+ (pause_width - (2.0f * bar_width + bar_offset)) / 2.0f,
+ (pause_height - bar_height) / 2.0f,
+ bar_width,
+ bar_height - 2.0f * bar_width,
+ bar_offset);
+ _fill (cr_surf,
+ (pause_width - (2.0f * bar_width + bar_offset)) / 2.0f,
+ (pause_height - bar_height) / 2.0f,
+ (pause_width - (2.0f * bar_width + bar_offset)) / 2.0f,
+ (double) bar_height,
+ button_start,
+ button_end,
+ TRUE);
+ _finalize (cr, &cr_surf, &surf, pause_x, pause_y);
+
+ cairo_surface_write_to_png (cairo_get_target (cr), "/tmp/foobar.png");
}
-
-
-
/**
* play_button_new:
* @returns: a new #PlayButton.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 04:23:55 +0000