"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "src/note.c" between
scrot-1.6.tar.bz2 and scrot-1.7.tar.bz2

About: scrot (SCReenshOT) is a simple command line screen capture utility using imlib2 to grab and save images.

note.c  (scrot-1.6.tar.bz2):note.c  (scrot-1.7.tar.bz2)
/* note.c /* note.c
Copyright 2019-2020 Daniel T. Borelli <daltomi@disroot.org> Copyright 2019-2021 Daniel T. Borelli <danieltborelli@gmail.com>
Copyright 2021 Guilherme Janczak <guilherme.janczak@yandex.com>
Copyright 2021 IFo Hancroft <contact@ifohancroft.com>
Copyright 2021 Peter Wu <peterwu@hotmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions: furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in The above copyright notice and this permission notice shall be included in
all copies of the Software and its documentation and acknowledgment shall be all copies of the Software and its documentation and acknowledgment shall be
skipping to change at line 33 skipping to change at line 36
*/ */
/* This file is part of the scrot project. */ /* This file is part of the scrot project. */
#include <assert.h> #include <assert.h>
#include <stdint.h> #include <stdint.h>
#include "scrot.h" #include "scrot.h"
scrotnote note; enum { // default color
DEF_COLOR_RED = 0,
DEF_COLOR_GREEN = 0,
DEF_COLOR_BLUE = 0,
DEF_COLOR_ALPHA = 255
};
static Imlib_Font imfont = NULL; ScrotNote note;
static void load_font(void); static Imlib_Font imFont = NULL;
static char *parse_text(char **tok, char *const end); static void loadFont(void);
static char *new_text(const char *src, const size_t len); static char* parseText(char**, char* const);
static inline void pfree(char **ptr) static inline void pfree(char** ptr)
{ {
free(*ptr); free(*ptr);
*ptr = NULL; *ptr = NULL;
} }
static inline void next_space(char **tok) static inline void nextSpace(char** token)
{ {
while (*++*tok == ' ' && **tok != '\0'); while (*++*token == ' ' && **token != '\0') { }
} }
static inline void next_not_space(char **tok) static inline void nextNotSpace(char** token)
{ {
while (*++*tok != ' ' && **tok != '\0'); while (*++*token != ' ' && **token != '\0') { }
} }
void scrot_note_new(char *format) void scrotNoteNew(char* format)
{ {
scrot_note_free(); scrotNoteFree();
note = (scrotnote){NULL,NULL,0,0,0.0,{COLOR_OPTIONAL,0,0,0,0}}; note = (ScrotNote) {
NULL, NULL, 0, 0, 0.0,
{ DEF_COLOR_RED, DEF_COLOR_GREEN,
DEF_COLOR_BLUE, DEF_COLOR_ALPHA }
};
char *const end = format + strlen(format); char* const end = format + strlen(format);
char *tok = strpbrk(format, "-"); char* token = strpbrk(format, "-");
if ((NULL == tok) || (strlen(tok) == 1)) { if (!token || (strlen(token) == 1)) {
malformed:
malformed: pfree(&format);
errx(EXIT_FAILURE, "Error --note option : Malformed syntax.");
pfree(&format); }
fprintf(stderr, "Error --note option : Malformed syntax.\n");
exit(EXIT_FAILURE);
}
while (tok != NULL) {
const char type = *++tok;
next_space(&tok);
switch(type) {
case 'f': {
note.font = parse_text(&tok, end);
if (NULL == note.font) {
fprintf(stderr, "Error --note option : Malformed syntax for -f\n");
exit(EXIT_FAILURE);
}
char *number = strrchr(note.font, '/');
if (NULL == number) {
fprintf(stderr, "Error --note option : Malformed syntax for -f, requi
red number.\n");
exit(EXIT_FAILURE);
}
int fntsize = options_parse_required_number(++number);
if (fntsize < 6)
fprintf(stderr, "Warning: --note option: font size < 6\n");
}
break;
case 'x': {
if ((1 != sscanf(tok, "%d", &note.x) || (note.x < 0))) {
fprintf(stderr, "Error --note option : Malformed syntax for -x\n");
exit(EXIT_FAILURE);
}
next_not_space(&tok);
}
break;
case 'y': {
if ((1 != sscanf(tok, "%d", &note.y)) || (note.y < 0)) {
fprintf(stderr, "Error --note option : Malformed syntax for -y\n");
exit(EXIT_FAILURE);
}
next_not_space(&tok);
}
break;
case 'a': {
if ((1 != sscanf(tok, "%lf", &note.angle))) {
fprintf(stderr, "Error --note option : Malformed syntax for -a\n");
exit(EXIT_FAILURE);
}
next_not_space(&tok);
}
break;
case 't':
note.text = parse_text(&tok, end);
if (NULL == note.text) {
fprintf(stderr, "Error --note option : Malformed syntax for -t\n");
exit(EXIT_FAILURE);
}
break;
case 'c': {
char *saveptr = NULL;
char *c = strtok_r(tok, ",", &saveptr);
int nclrs = 0;
note.color.status = COLOR_OK;
while (c) {
tok = c;
int color = options_parse_required_number(c);
if ((color < 0) || color > 255) {
fprintf(stderr, "Error --note option : color '%d' out of range 0..
255\n", color);
note.color.status = COLOR_ERROR;
break;
}
switch(++nclrs) {
case 1 : note.color.r = color; break;
case 2 : note.color.g = color; break;
case 3 : note.color.b = color; break;
case 4 : note.color.a = color; break;
}
c = strtok_r(NULL, ",", &saveptr);
}
if (nclrs != 4) { while (token) {
fprintf(stderr, "Error --note option : Malformed syntax for -c\n"); const char type = *++token;
note.color.status = COLOR_ERROR; char* savePtr = NULL;
char* c;
nextSpace(&token);
switch (type) {
case 'f':
note.font = parseText(&token, end);
if (!note.font)
errx(EXIT_FAILURE, "Error --note option : Malformed syntax for -
f");
char* number = strrchr(note.font, '/');
if (!number)
errx(EXIT_FAILURE, "Error --note option : Malformed syntax for -
f, required number.");
int fontSize = optionsParseRequiredNumber(++number);
if (fontSize < 6)
warnx("Warning: --note option: font size < 6");
break;
case 'x':
if ((1 != sscanf(token, "%d", &note.x) || (note.x < 0)))
errx(EXIT_FAILURE, "Error --note option : Malformed syntax for -
x");
nextNotSpace(&token);
break;
case 'y':
if ((1 != sscanf(token, "%d", &note.y)) || (note.y < 0))
errx(EXIT_FAILURE, "Error --note option : Malformed syntax for -
y");
nextNotSpace(&token);
break;
case 'a':
if ((1 != sscanf(token, "%lf", &note.angle)))
errx(EXIT_FAILURE, "Error --note option : Malformed syntax for -
a");
nextNotSpace(&token);
break;
case 't':
note.text = parseText(&token, end);
if (!note.text)
errx(EXIT_FAILURE, "Error --note option : Malformed syntax for -
t");
break;
case 'c':
c = strtok_r(token, ",", &savePtr);
int numberColors = 0;
while (c) {
token = c;
int const color = optionsParseRequireRange(
optionsParseRequiredNumber(c), 0 ,255);
switch (++numberColors) {
case 1:
note.color.r = color;
break;
case 2:
note.color.g = color;
break;
case 3:
note.color.b = color;
break;
case 4:
note.color.a = color;
break;
}
c = strtok_r(NULL, ",", &savePtr);
}
if (numberColors > 4)
warnx("Warning --note option : Malformed syntax for -c");
break;
default:
errx(EXIT_FAILURE, "Error --note option : unknown option: '-%c'", ty
pe);
} }
}
break;
default:
fprintf(stderr, "Error --note option : unknown option: '-%c'\n", type);
exit(EXIT_FAILURE);
}
tok = strpbrk(tok, "-"); token = strpbrk(token, "-");
} }
if ((NULL == note.font) || (NULL == note.text)) if (!note.font || !note.text)
goto malformed; goto malformed;
load_font(); loadFont();
} }
void scrot_note_free(void) void scrotNoteFree(void)
{ {
if (note.text) pfree(&note.text); if (note.text)
if (note.font) pfree(&note.font); pfree(&note.text);
if (note.font)
pfree(&note.font);
if (imfont) { if (imFont) {
imlib_context_set_font(imfont); imlib_context_set_font(imFont);
imlib_free_font(); imlib_free_font();
} }
} }
void scrot_note_draw(Imlib_Image im) void scrotNoteDraw(Imlib_Image im)
{ {
if (NULL == im) return; if (!im)
return;
imlib_context_set_image(im); imlib_context_set_image(im);
imlib_context_set_font(imfont); imlib_context_set_font(imFont);
imlib_context_set_direction(IMLIB_TEXT_TO_ANGLE); imlib_context_set_direction(IMLIB_TEXT_TO_ANGLE);
imlib_context_set_angle(note.angle); imlib_context_set_angle(note.angle);
if (note.color.status == COLOR_OK) imlib_context_set_color(note.color.r,
imlib_context_set_color(note.color.r, note.color.g,
note.color.g, note.color.b,
note.color.b, note.color.a);
note.color.a);
imlib_text_draw(note.x, note.y, note.text); imlib_text_draw(note.x, note.y, note.text);
} }
void load_font(void) void loadFont(void)
{ {
imfont = imlib_load_font(note.font); imFont = imlib_load_font(note.font);
if (!imfont) { if (!imFont) {
fprintf(stderr, "Error --note option : Failed to load fontname: %s\n", not warnx("Error --note option : Failed to load fontname: %s", note.font);
e.font); scrotNoteFree();
scrot_note_free(); exit(EXIT_FAILURE);
exit(EXIT_FAILURE); }
}
} }
char *parse_text(char **tok, char *const end) char* parseText(char** token, char* const end)
{ {
assert(NULL != *tok); assert(NULL != *token);
assert(NULL != end); assert(NULL != end);
if (**tok != '\'') return NULL;
(*tok)++;
char *begin = *tok;
while ((*tok != end) && **tok != '\'') { if (**token != '\'')
(*tok)++; return NULL;
}
ptrdiff_t len = (*tok - begin); (*token)++;
if (len == 0) return NULL;
return new_text(begin, len);
}
char *new_text(const char *src, const size_t len)
{
assert(NULL != src);
char *text = malloc(len + 1); char* begin = *token;
assert(NULL != text); while ((*token != end) && **token != '\'')
(*token)++;
strncpy(text, src, len); ptrdiff_t length = (*token - begin);
text[len] = '\0'; if (length == 0)
return NULL;
return text; return strndup(begin, length);
} }
 End of changes. 45 change blocks. 
184 lines changed or deleted 166 lines changed or added

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