File 0001-Add-label-ft-plugin.patch of Package plymouth.25425
diff -Nura plymouth-0.9.5+git20200921+20778f2/configure.ac plymouth-0.9.5+git20200921+20778f2_new/configure.ac
--- plymouth-0.9.5+git20200921+20778f2/configure.ac 2020-10-05 21:49:25.578220035 +0800
+++ plymouth-0.9.5+git20200921+20778f2_new/configure.ac 2020-10-05 22:07:57.754186183 +0800
@@ -72,6 +72,15 @@
AC_SUBST(PANGO_LIBS)
fi
+AC_ARG_ENABLE(freetype, AS_HELP_STRING([--enable-freetype],[enable building the FreeType-based label plugin]),enable_freetype=$enableval,enable_freetype=yes)
+AM_CONDITIONAL(ENABLE_FREETYPE, [test "$enable_freetype" = yes])
+
+if test x$enable_freetype = xyes; then
+ PKG_CHECK_MODULES(FREETYPE, [freetype2])
+ AC_SUBST(FREETYPE_CFLAGS)
+ AC_SUBST(FREETYPE_LIBS)
+fi
+
AC_ARG_ENABLE(gtk, AS_HELP_STRING([--enable-gtk],[enable building with gtk, disabled there is no x11 renderer]),enable_gtk=$enableval,enable_gtk=yes)
AM_CONDITIONAL(ENABLE_GTK, [test "$enable_gtk" = yes])
@@ -312,6 +321,7 @@
src/plugins/splash/script/Makefile
src/plugins/controls/Makefile
src/plugins/controls/label/Makefile
+ src/plugins/controls/label-ft/Makefile
src/Makefile
src/client/ply-boot-client.pc
src/client/Makefile
diff -Nura plymouth-0.9.5+git20200921+20778f2/src/libply-splash-graphics/ply-label.c plymouth-0.9.5+git20200921+20778f2_new/src/libply-splash-graphics/ply-label.c
--- plymouth-0.9.5+git20200921+20778f2/src/libply-splash-graphics/ply-label.c 2019-06-05 15:56:08.000000000 +0800
+++ plymouth-0.9.5+git20200921+20778f2_new/src/libply-splash-graphics/ply-label.c 2020-10-05 22:04:02.927286375 +0800
@@ -96,8 +96,13 @@
get_plugin_interface_function_t get_label_plugin_interface;
+ /* Try the pango/cairo based label plugin first... */
label->module_handle = ply_open_module (PLYMOUTH_PLUGIN_PATH "label.so");
+ /* ...and the FreeType based one after that, it is not a complete substitute (yet). */
+ if (label->module_handle == NULL)
+ label->module_handle = ply_open_module (PLYMOUTH_PLUGIN_PATH "label-ft.so");
+
if (label->module_handle == NULL)
return false;
diff -Nura plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/label-ft/Makefile.am plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/label-ft/Makefile.am
--- plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/label-ft/Makefile.am 1970-01-01 08:00:00.000000000 +0800
+++ plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/label-ft/Makefile.am 2020-10-05 21:31:47.608636002 +0800
@@ -0,0 +1,22 @@
+AM_CPPFLAGS = -I$(top_srcdir) \
+ -I$(srcdir)/../../../libply \
+ -I$(srcdir)/../../../libply-splash-core \
+ -I$(srcdir)/../../../libply-splash-graphics \
+ -I$(srcdir)/../../.. \
+ -I$(srcdir)/../.. \
+ -I$(srcdir)/.. \
+ -I$(srcdir)
+
+plugindir = $(libdir)/plymouth
+plugin_LTLIBRARIES = label-ft.la
+
+label_ft_la_CFLAGS = $(PLYMOUTH_CFLAGS) $(FREETYPE_CFLAGS)
+
+label_ft_la_LDFLAGS = -module -avoid-version -export-dynamic
+label_ft_la_LIBADD = $(PLYMOUTH_LIBS) $(FREETYPE_LIBS) \
+ ../../../libply/libply.la \
+ ../../../libply-splash-core/libply-splash-core.la \
+ ../../../libply-splash-graphics/libply-splash-graphics.la
+label_ft_la_SOURCES = $(srcdir)/plugin.c
+
+MAINTAINERCLEANFILES = Makefile.in
diff -Nura plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/label-ft/Makefile.in plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/label-ft/Makefile.in
--- plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/label-ft/Makefile.in 1970-01-01 08:00:00.000000000 +0800
+++ plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/label-ft/Makefile.in 2020-10-05 21:31:54.332697346 +0800
@@ -0,0 +1,753 @@
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+ ../../../libply-splash-core/libply-splash-core.la \
+ ../../../libply-splash-graphics/libply-splash-graphics.la
+
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+@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/label_ft_la-plugin.Tpo $(DEPDIR)/label_ft_la-plugin.Plo
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+
+mostlyclean-libtool:
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+clean-libtool:
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+ID: $(am__tagged_files)
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+ here=`pwd`; \
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff -Nura plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/label-ft/plugin.c plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/label-ft/plugin.c
--- plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/label-ft/plugin.c 1970-01-01 08:00:00.000000000 +0800
+++ plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/label-ft/plugin.c 2020-10-05 21:31:47.608636002 +0800
@@ -0,0 +1,507 @@
+/* ply-label.c - label control
+ *
+ * Copyright (C) 2008 Red Hat, Inc.
+ * Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Written by: Ray Strode <rstrode@redhat.com>
+ * Written by: Fabian Vogt <fvogt@suse.com>
+ */
+#include "config.h"
+
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <limits.h>
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+#include "ply-pixel-buffer.h"
+#include "ply-pixel-display.h"
+#include "ply-utils.h"
+
+#include "ply-label-plugin.h"
+
+/* This is used if fontconfig (fc-match) is not available, like in the initrd. */
+#define FONT_FALLBACK "/usr/share/fonts/Plymouth.ttf"
+
+struct _ply_label_plugin_control
+{
+ ply_pixel_display_t *display;
+ ply_rectangle_t area;
+
+ ply_label_alignment_t alignment;
+ long width; /* For alignment */
+
+ FT_Library library;
+ FT_Face face;
+
+ char *text;
+ float red;
+ float green;
+ float blue;
+ float alpha;
+
+ bool is_hidden;
+};
+
+ply_label_plugin_interface_t *ply_label_plugin_get_interface (void);
+
+/* Query fontconfig, if available, for the default font. */
+static const char *
+query_fc_match()
+{
+ FILE *fp;
+ static char fc_match_out[PATH_MAX];
+
+ fp = popen("/usr/bin/fc-match -f %{file}", "r");
+ if (!fp)
+ return NULL;
+
+ fgets(fc_match_out, sizeof(fc_match_out), fp);
+
+ pclose(fp);
+
+ return fc_match_out;
+}
+
+static ply_label_plugin_control_t *
+create_control (void)
+{
+ FT_Error error;
+ ply_label_plugin_control_t *label;
+ const char *font_path;
+
+ label = calloc (1, sizeof(ply_label_plugin_control_t));
+ if(!label)
+ return NULL;
+
+ label->is_hidden = true;
+ label->width = -1;
+ label->text = NULL;
+
+ error = FT_Init_FreeType (&label->library);
+ if(error)
+ {
+ free(label);
+ return NULL;
+ }
+
+ font_path = query_fc_match();
+
+ if(font_path)
+ error = FT_New_Face (label->library, font_path, 0, &label->face);
+
+ if(!font_path || error)
+ {
+ font_path = FONT_FALLBACK;
+ error = FT_New_Face (label->library, font_path, 0, &label->face);
+
+ if(error)
+ {
+ FT_Done_FreeType (label->library);
+ free(label);
+ return NULL;
+ }
+ }
+
+ /* 12pt/100dpi as default */
+ error = FT_Set_Char_Size (label->face, 12 << 6, 0, 100, 0);
+ if(error)
+ {
+ FT_Done_Face (label->face);
+ FT_Done_FreeType (label->library);
+ free(label);
+ return NULL;
+ }
+
+ return label;
+}
+
+static void
+destroy_control (ply_label_plugin_control_t *label)
+{
+ if (label == NULL)
+ return;
+
+ free (label->text);
+ FT_Done_Face (label->face);
+ FT_Done_FreeType (label->library);
+
+ free (label);
+}
+
+static long
+get_width_of_control (ply_label_plugin_control_t *label)
+{
+ return label->area.width;
+}
+
+static long
+get_height_of_control (ply_label_plugin_control_t *label)
+{
+ return label->area.height;
+}
+
+static FT_Int width_of_line(ply_label_plugin_control_t *label,
+ const char *text)
+{
+ FT_Int width = 0;
+ FT_Int last_left = 0;
+
+ while(*text != '\0' && *text != '\n')
+ {
+ if(FT_Load_Char (label->face, *text, FT_LOAD_RENDER))
+ continue;
+
+ width += label->face->glyph->advance.x >> 6;
+ last_left = label->face->glyph->bitmap_left;
+
+ ++text;
+ }
+
+ return width + last_left;
+}
+
+static void
+size_control (ply_label_plugin_control_t *label)
+{
+ FT_Int width;
+ const char *text = label->text;
+
+ if(label->is_hidden)
+ return;
+
+ label->area.width = 0;
+ label->area.height = 0;
+
+ /* Go through each line */
+ while(text && *text)
+ {
+ width = width_of_line (label, text);
+ if((uint32_t) width > label->area.width)
+ label->area.width = width;
+
+ label->area.height += (label->face->size->metrics.ascender - label->face->size->metrics.descender) >> 6;
+
+ text = strchr (text, '\n');
+ /* skip newline character */
+ if (text)
+ ++text;
+ }
+
+ /* If centered, area.x is not the origin anymore */
+ if((long) label->area.width < label->width)
+ label->area.width = label->width;
+}
+
+static void trigger_redraw (ply_label_plugin_control_t *label,
+ bool adjust_size)
+{
+ ply_rectangle_t dirty_area = label->area;
+
+ if (label->is_hidden || label->display == NULL)
+ return;
+
+ if(adjust_size)
+ size_control(label);
+
+ ply_pixel_display_draw_area (label->display,
+ dirty_area.x, dirty_area.y,
+ dirty_area.width, dirty_area.height);
+}
+
+static FT_Int
+min (FT_Int a,
+ FT_Int b)
+{
+ return a < b ? a : b;
+}
+
+static void
+draw_bitmap (ply_label_plugin_control_t *label,
+ uint32_t *target,
+ ply_rectangle_t target_size,
+ FT_Bitmap *source,
+ FT_Int x_start,
+ FT_Int y_start)
+{
+ FT_Int x, y, xs, ys;
+ FT_Int x_end = min (x_start + source->width, target_size.width);
+ FT_Int y_end = min (y_start + source->rows, target_size.height);
+
+ if((uint32_t) x_start >= target_size.width || (uint32_t) y_start >= target_size.height)
+ return;
+
+ uint8_t rs, gs, bs, rd, gd, bd, ad;
+ rs = 255 * label->red;
+ gs = 255 * label->green;
+ bs = 255 * label->blue;
+
+ for(y = y_start, ys = 0; y < y_end; ++y, ++ys)
+ for(x = x_start, xs = 0; x < x_end; ++x, ++xs)
+ {
+ float alpha = label->alpha * (source->buffer[xs + source->pitch * ys] / 255.0f);
+ float invalpha = 1.0f - alpha;
+ uint32_t dest = target[x + target_size.width * y];
+
+ /* Separate colors */
+ rd = dest >> 16;
+ gd = dest >> 8;
+ bd = dest;
+
+ /* Alpha blending */
+ rd = invalpha * rd + alpha * rs;
+ gd = invalpha * gd + alpha * gs;
+ bd = invalpha * bd + alpha * bs;
+ /* Semi-correct: Disregard the target alpha */
+ ad = alpha * 255;
+
+ target[x + target_size.width * y] = (ad << 24) | (rd << 16) | (gd << 8) | bd;
+ }
+}
+
+static void
+draw_control (ply_label_plugin_control_t *label,
+ ply_pixel_buffer_t *pixel_buffer,
+ long x,
+ long y,
+ unsigned long width,
+ unsigned long height)
+{
+ FT_Error error;
+ FT_Vector pen;
+ FT_GlyphSlot slot;
+ const char *cur_c;
+ uint32_t *target;
+ ply_rectangle_t target_size;
+
+ if (label->is_hidden)
+ return;
+
+ /* Check for overlap.
+ TODO: Don't redraw everything if only a part should be drawn! */
+ if(label->area.x > x + (long) width || label->area.y > y + (long) height
+ || label->area.x + (long) label->area.width < x
+ || label->area.y + (long) label->area.height < y)
+ return;
+
+ slot = label->face->glyph;
+
+ cur_c = label->text;
+
+ target = ply_pixel_buffer_get_argb32_data (pixel_buffer);
+ ply_pixel_buffer_get_size (pixel_buffer, &target_size);
+
+ if(target_size.height == 0)
+ return; /* This happens sometimes. */
+
+ /* 64ths of a pixel */
+ pen.y = label->area.y << 6;
+
+ /* Make sure that the first row fits */
+ pen.y += label->face->size->metrics.ascender;
+
+ /* Go through each line */
+ while(*cur_c)
+ {
+ pen.x = label->area.x << 6;
+
+ /* Start at start position (alignment) */
+ if(label->alignment == PLY_LABEL_ALIGN_CENTER)
+ pen.x += (label->width - width_of_line(label, cur_c)) << 5;
+ else if(label->alignment == PLY_LABEL_ALIGN_RIGHT)
+ pen.x += (label->width - width_of_line(label, cur_c)) << 6;
+
+ while(*cur_c && *cur_c != '\n')
+ {
+ /* TODO: Unicode support. */
+ error = FT_Load_Char (label->face, *cur_c, FT_LOAD_RENDER | FT_LOAD_TARGET_LIGHT);
+ if(error)
+ continue;
+
+ draw_bitmap (label, target, target_size, &slot->bitmap,
+ (pen.x >> 6) + slot->bitmap_left,
+ (pen.y >> 6) - slot->bitmap_top);
+
+ pen.x += slot->advance.x;
+ pen.y += slot->advance.y;
+
+ ++cur_c;
+ }
+ /* skip newline character */
+ if (*cur_c)
+ ++cur_c;
+
+ /* Next line */
+ pen.y += label->face->size->metrics.height;
+ }
+}
+
+static void
+set_alignment_for_control (ply_label_plugin_control_t *label,
+ ply_label_alignment_t alignment)
+{
+ if (label->alignment != alignment) {
+ label->alignment = alignment;
+ trigger_redraw(label, true);
+ }
+}
+
+static void
+set_width_for_control (ply_label_plugin_control_t *label,
+ long width)
+{
+ if (label->width != width) {
+ label->width = width;
+ trigger_redraw(label, true);
+ }
+}
+
+static void
+set_text_for_control (ply_label_plugin_control_t *label,
+ const char *text)
+{
+ if (label->text != text) {
+ free (label->text);
+ label->text = strdup (text);
+ trigger_redraw(label, true);
+ }
+}
+
+static void
+set_font_for_control (ply_label_plugin_control_t *label,
+ const char *fontdesc)
+{
+ /* Only able to set size */
+
+ char *size_str_after;
+ const char *size_str;
+ unsigned long size;
+ bool size_in_pixels;
+
+ size = 25; /* Default, if not set. */
+ size_in_pixels = false;
+
+ /* Format is "Family 1[,Family 2[,..]] [25[px]]" .
+ [] means optional. */
+ size_str = strrchr(fontdesc, ' ');
+
+ if(size_str)
+ {
+ size = strtoul(size_str, &size_str_after, 10);
+ if(size_str_after == size_str)
+ size = 25; /* Not a number */
+ else if(strcmp(size_str_after, "px") == 0)
+ size_in_pixels = true;
+ }
+
+ if(size_in_pixels)
+ FT_Set_Pixel_Sizes (label->face, 0, size);
+ else
+ FT_Set_Char_Size (label->face, size << 6, 0, 100, 0);
+
+ /* Ignore errors, to keep the current size. */
+
+ trigger_redraw(label, true);
+}
+
+static void
+set_color_for_control (ply_label_plugin_control_t *label,
+ float red,
+ float green,
+ float blue,
+ float alpha)
+{
+ label->red = red;
+ label->green = green;
+ label->blue = blue;
+ label->alpha = alpha;
+
+ trigger_redraw(label, false);
+}
+
+static bool
+show_control (ply_label_plugin_control_t *label,
+ ply_pixel_display_t *display,
+ long x,
+ long y)
+{
+ ply_rectangle_t dirty_area;
+
+ dirty_area = label->area;
+ label->display = display;
+ label->area.x = x;
+ label->area.y = y;
+
+ label->is_hidden = false;
+
+ size_control (label);
+
+ if (!label->is_hidden && label->display != NULL)
+ ply_pixel_display_draw_area (label->display,
+ dirty_area.x, dirty_area.y,
+ dirty_area.width, dirty_area.height);
+
+ label->is_hidden = false;
+
+ return true;
+}
+
+static void
+hide_control (ply_label_plugin_control_t *label)
+{
+ label->is_hidden = true;
+ if (label->display != NULL)
+ ply_pixel_display_draw_area (label->display,
+ label->area.x, label->area.y,
+ label->area.width, label->area.height);
+
+ label->display = NULL;
+}
+
+static bool
+is_control_hidden (ply_label_plugin_control_t *label)
+{
+ return label->is_hidden;
+}
+
+ply_label_plugin_interface_t *
+ply_label_plugin_get_interface (void)
+{
+ static ply_label_plugin_interface_t plugin_interface =
+ {
+ .create_control = create_control,
+ .destroy_control = destroy_control,
+ .show_control = show_control,
+ .hide_control = hide_control,
+ .draw_control = draw_control,
+ .is_control_hidden = is_control_hidden,
+ .set_text_for_control = set_text_for_control,
+ .set_alignment_for_control = set_alignment_for_control,
+ .set_width_for_control = set_width_for_control,
+ .set_font_for_control = set_font_for_control,
+ .set_color_for_control = set_color_for_control,
+ .get_width_of_control = get_width_of_control,
+ .get_height_of_control = get_height_of_control
+ };
+
+ return &plugin_interface;
+}
+
+/* vim: set ts=4 sw=4 expandtab autoindent cindent cino={.5s,(0: */
diff -Nura plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/Makefile.am plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/Makefile.am
--- plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/Makefile.am 2018-12-27 01:23:09.000000000 +0800
+++ plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/Makefile.am 2020-10-05 21:59:39.941168232 +0800
@@ -1,4 +1,8 @@
+SUBDIRS =
if ENABLE_PANGO
-SUBDIRS = label
+SUBDIRS += label
+endif
+if ENABLE_FREETYPE
+SUBDIRS += label-ft
endif
MAINTAINERCLEANFILES = Makefile.in
