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https://gitlab.gnome.org/GNOME/nautilus
synced 2024-08-25 02:36:07 +00:00
implemented n-point gradients for Arlo. Right now they only work in
implemented n-point gradients for Arlo. Right now they only work in anti-aliased mode. Changed the arlo theme to use a 3-point gradient.
This commit is contained in:
Andy Hertzfeld
parent
149fa4ae3b
commit
ae9f25f241
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@ -1,3 +1,12 @@
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2000-07-03 Andy Hertzfeld <andy@eazel.com>
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* libnautilus-extensions/nautilus-background.c:
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(nautilus_background_draw_aa):
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implemented n-point gradients at Arlo's request. Right now,
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they are only implemented for anti-aliased mode.
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* icons/arlo/arlo.xml:
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made the sidebar use a 3-point gradient
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2000-07-03 Gene Z. Ragan <gzr@eazel.com>
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* libnautilus-extensions/bonobo-stream-vfs.c:
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@ -1,7 +1,7 @@
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<?xml version="1.0"?>
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<theme name="arlo">
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<directory BACKGROUND_TILE_IMAGE="backgrounds/white_ribs.png"/>
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<sidebar SIDEBAR_BACKGROUND_COLOR="rgb:DDDD/FFFF/BBBB-rgb:7777/DDDD/3333:h" SIDEBAR_BACKGROUND_TILE_IMAGE="backgrounds/.striated.png" TAB_PIECE_IMAGE="sidebar_tab_pieces.png" COMBINE="TRUE"
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<sidebar SIDEBAR_BACKGROUND_COLOR="rgb:5BBB/9111/9444-rgb:2999/5888/5AAA|80-rgb:0000/3333/0000:h" SIDEBAR_BACKGROUND_TILE_IMAGE="backgrounds/.striated.png" TAB_PIECE_IMAGE="sidebar_tab_pieces.png" COMBINE="TRUE"
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PIECE_OFFSETS="1,1,20,4:1,13,20,13:1,47,20,61:1,123,20,139:1,5,20,8:1,14,20,14:1,62,20,76:1,140,20,156:1,9,20,12:1,15,24,15:1,93,24,107:1,157,20,173"
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LEFT_OFFSET="0" />
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</theme>
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@ -23,6 +23,8 @@
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*/
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#include <config.h>
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#include <ctype.h>
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#include "nautilus-background.h"
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#include <gtk/gtksignal.h>
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@ -333,36 +335,114 @@ draw_pixbuf_tiled_aa(GdkPixbuf *pixbuf, GnomeCanvasBuf *buffer)
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}
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/* draw the background on the anti-aliased canvas */
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/* we support n-point gradients by looping on the color string */
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void nautilus_background_draw_aa (NautilusBackground *background,
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GnomeCanvasBuf *buffer,
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int entire_width,
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int entire_height)
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{
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char *start_color_spec, *end_color_spec;
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char *start_color_spec, *current_color;
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char *temp_str, *percentage_str;
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GnomeCanvasBuf save_buf;
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guint32 start_rgb, end_rgb;
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gboolean horizontal_gradient;
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gboolean horizontal_gradient, more_to_do;
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int current_width, current_height;
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int remaining_width, remaining_height;
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int accumulator, temp_value;
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if (!buffer->is_buf) {
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if (background->details->combine_mode || (background->details->tile_image == NULL)) {
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/* get the initial color */
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start_color_spec = nautilus_gradient_get_start_color_spec (background->details->color);
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end_color_spec = nautilus_gradient_get_end_color_spec (background->details->color);
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horizontal_gradient = nautilus_gradient_is_horizontal (background->details->color);
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start_rgb = nautilus_parse_rgb_with_white_default (start_color_spec);
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end_rgb = nautilus_parse_rgb_with_white_default (end_color_spec);
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g_free (start_color_spec);
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g_free (end_color_spec);
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if (start_rgb != end_rgb) {
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nautilus_gnome_canvas_fill_with_gradient
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(buffer, entire_width, entire_height,
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start_rgb, end_rgb,
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horizontal_gradient);
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} else
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gnome_canvas_buf_ensure_buf(buffer);
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/* set up constants for the loop */
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horizontal_gradient = nautilus_gradient_is_horizontal (background->details->color);
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current_color = nautilus_strchr (background->details->color, '-');
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more_to_do = TRUE;
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current_width = entire_width;
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current_height = entire_height;
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save_buf = *buffer;
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while (more_to_do) {
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/* extract the next color and flag the continuation state */
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if (current_color == NULL) {
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end_rgb = start_rgb;
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more_to_do = FALSE;
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} else {
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start_color_spec = nautilus_gradient_get_start_color_spec (current_color + 1);
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/* remove percentage specifier, if necessary */
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percentage_str = nautilus_strchr (start_color_spec, '|');
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if (percentage_str) {
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*percentage_str = '\0';
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}
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end_rgb = nautilus_parse_rgb_with_white_default (start_color_spec);
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g_free (start_color_spec);
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temp_str = nautilus_strchr (current_color + 1, '-');
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if (temp_str == NULL) {
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more_to_do = FALSE;
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} else {
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/* extract the percentage and scale done the width or height */
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percentage_str = nautilus_strchr (current_color, '|');
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if (percentage_str) {
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percentage_str += 1;
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accumulator = 0;
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while (isdigit (*percentage_str)) {
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accumulator = (10 * accumulator) + (*percentage_str - '0');
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percentage_str += 1;
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}
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if (horizontal_gradient) {
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temp_value = current_width * accumulator / 100;
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remaining_width = current_width - temp_value;
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current_width = temp_value;
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} else {
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temp_value = current_height * accumulator / 100;
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remaining_height = current_height - temp_value;
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current_height = temp_value;
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}
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current_color = temp_str;
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more_to_do = TRUE;
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} else {
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more_to_do = FALSE;
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}
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}
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}
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/* draw the gradient or solid color */
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if (start_rgb != end_rgb) {
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nautilus_gnome_canvas_fill_with_gradient
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(buffer, current_width, current_height,
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start_rgb, end_rgb,
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horizontal_gradient);
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} else
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gnome_canvas_buf_ensure_buf(buffer);
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/* set things up for the next time through, if necessary */
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start_rgb = end_rgb;
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/* bump the buffer pointer by the amount done */
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if (more_to_do) {
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if (horizontal_gradient) {
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buffer->buf += (3 * current_width);
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current_width = remaining_width;
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buffer->rect.x1 = buffer->rect.x0 + remaining_width;
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} else {
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buffer->buf += (current_height * buffer->buf_rowstride);
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current_height = remaining_height;
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buffer->rect.y1 = buffer->rect.y0 + remaining_height;
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}
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}
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}
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*buffer = save_buf;
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}
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/* draw the tiled background image if we have one */
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if (background->details->tile_image) {
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draw_pixbuf_tiled_aa (background->details->tile_image, buffer);
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}
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@ -23,6 +23,8 @@
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*/
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#include <config.h>
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#include <ctype.h>
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#include "nautilus-background.h"
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#include <gtk/gtksignal.h>
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@ -333,36 +335,114 @@ draw_pixbuf_tiled_aa(GdkPixbuf *pixbuf, GnomeCanvasBuf *buffer)
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}
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/* draw the background on the anti-aliased canvas */
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/* we support n-point gradients by looping on the color string */
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void nautilus_background_draw_aa (NautilusBackground *background,
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GnomeCanvasBuf *buffer,
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int entire_width,
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int entire_height)
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{
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char *start_color_spec, *end_color_spec;
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char *start_color_spec, *current_color;
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char *temp_str, *percentage_str;
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GnomeCanvasBuf save_buf;
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guint32 start_rgb, end_rgb;
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gboolean horizontal_gradient;
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gboolean horizontal_gradient, more_to_do;
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int current_width, current_height;
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int remaining_width, remaining_height;
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int accumulator, temp_value;
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if (!buffer->is_buf) {
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if (background->details->combine_mode || (background->details->tile_image == NULL)) {
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/* get the initial color */
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start_color_spec = nautilus_gradient_get_start_color_spec (background->details->color);
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end_color_spec = nautilus_gradient_get_end_color_spec (background->details->color);
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horizontal_gradient = nautilus_gradient_is_horizontal (background->details->color);
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start_rgb = nautilus_parse_rgb_with_white_default (start_color_spec);
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end_rgb = nautilus_parse_rgb_with_white_default (end_color_spec);
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g_free (start_color_spec);
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g_free (end_color_spec);
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if (start_rgb != end_rgb) {
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nautilus_gnome_canvas_fill_with_gradient
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(buffer, entire_width, entire_height,
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start_rgb, end_rgb,
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horizontal_gradient);
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} else
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gnome_canvas_buf_ensure_buf(buffer);
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/* set up constants for the loop */
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horizontal_gradient = nautilus_gradient_is_horizontal (background->details->color);
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current_color = nautilus_strchr (background->details->color, '-');
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more_to_do = TRUE;
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current_width = entire_width;
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current_height = entire_height;
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save_buf = *buffer;
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while (more_to_do) {
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/* extract the next color and flag the continuation state */
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if (current_color == NULL) {
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end_rgb = start_rgb;
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more_to_do = FALSE;
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} else {
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start_color_spec = nautilus_gradient_get_start_color_spec (current_color + 1);
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/* remove percentage specifier, if necessary */
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percentage_str = nautilus_strchr (start_color_spec, '|');
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if (percentage_str) {
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*percentage_str = '\0';
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}
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end_rgb = nautilus_parse_rgb_with_white_default (start_color_spec);
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g_free (start_color_spec);
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temp_str = nautilus_strchr (current_color + 1, '-');
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if (temp_str == NULL) {
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more_to_do = FALSE;
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} else {
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/* extract the percentage and scale done the width or height */
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percentage_str = nautilus_strchr (current_color, '|');
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if (percentage_str) {
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percentage_str += 1;
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accumulator = 0;
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while (isdigit (*percentage_str)) {
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accumulator = (10 * accumulator) + (*percentage_str - '0');
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percentage_str += 1;
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}
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if (horizontal_gradient) {
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temp_value = current_width * accumulator / 100;
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remaining_width = current_width - temp_value;
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current_width = temp_value;
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} else {
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temp_value = current_height * accumulator / 100;
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remaining_height = current_height - temp_value;
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current_height = temp_value;
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}
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current_color = temp_str;
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more_to_do = TRUE;
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} else {
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more_to_do = FALSE;
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}
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}
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}
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/* draw the gradient or solid color */
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if (start_rgb != end_rgb) {
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nautilus_gnome_canvas_fill_with_gradient
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(buffer, current_width, current_height,
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start_rgb, end_rgb,
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horizontal_gradient);
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} else
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gnome_canvas_buf_ensure_buf(buffer);
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/* set things up for the next time through, if necessary */
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start_rgb = end_rgb;
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/* bump the buffer pointer by the amount done */
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if (more_to_do) {
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if (horizontal_gradient) {
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buffer->buf += (3 * current_width);
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current_width = remaining_width;
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buffer->rect.x1 = buffer->rect.x0 + remaining_width;
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} else {
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buffer->buf += (current_height * buffer->buf_rowstride);
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current_height = remaining_height;
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buffer->rect.y1 = buffer->rect.y0 + remaining_height;
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}
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}
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}
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*buffer = save_buf;
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}
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/* draw the tiled background image if we have one */
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if (background->details->tile_image) {
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draw_pixbuf_tiled_aa (background->details->tile_image, buffer);
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}
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