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Text viewer: Replace macros with inline functions (which are about to be extended in the following commits)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25514 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Tomer Shalev 2010-04-07 17:19:55 +00:00
parent 885863571f
commit 8b904e2bb4
1 changed files with 20 additions and 12 deletions
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32
apps/plugins/viewer.c
View file

@ -728,9 +728,17 @@ static void calc_max_width(void)
static bool done = false;
static int col = 0;
#define ADVANCE_COUNTERS(c) { width += glyph_width(c); k++; }
#define LINE_IS_FULL ((k>=max_columns-1) ||( width >= max_width))
#define LINE_IS_NOT_FULL ((k<max_columns-1) &&( width < max_width))
static inline void advance_conters(unsigned short ch, int* k, int* width)
{
*width += glyph_width(ch);
(*k)++;
}
static inline bool line_is_full(int k, int width)
{
return ((k >= max_columns - 1) || (width >= max_width));
}
static unsigned char* crop_at_width(const unsigned char* p)
{
int k,width;
@ -739,12 +747,12 @@ static unsigned char* crop_at_width(const unsigned char* p)
k=width=0;
while (LINE_IS_NOT_FULL) {
while (!line_is_full(k, width)) {
oldp = p;
if (BUFFER_OOB(p))
break;
p = get_ucs(p, &ch);
ADVANCE_COUNTERS(ch);
advance_conters(ch, &k, &width);
}
return (unsigned char*)oldp;
@ -824,7 +832,7 @@ static unsigned char* find_next_line(const unsigned char* cur_line, bool *is_sho
for (j=k=width=spaces=newlines=0; ; j++) {
if (BUFFER_OOB(cur_line+j))
return NULL;
if (LINE_IS_FULL) {
if (line_is_full(k, width)) {
size = search_len = j;
break;
}
@ -840,7 +848,7 @@ static unsigned char* find_next_line(const unsigned char* cur_line, bool *is_sho
}
if (j==0) /* i=1 is intentional */
for (i=0; i<par_indent_spaces; i++)
ADVANCE_COUNTERS(' ');
advance_conters(' ', &k, &width);
}
if (!first_chars) spaces++;
break;
@ -866,8 +874,8 @@ static unsigned char* find_next_line(const unsigned char* cur_line, bool *is_sho
if (prefs.line_mode==JOIN || newlines>0) {
while (spaces) {
spaces--;
ADVANCE_COUNTERS(' ');
if (LINE_IS_FULL) {
advance_conters(' ', &k, &width);
if (line_is_full(k, width)) {
size = search_len = j;
break;
}
@ -879,14 +887,14 @@ static unsigned char* find_next_line(const unsigned char* cur_line, bool *is_sho
* while drawing. */
search_len = size;
spaces=0;
ADVANCE_COUNTERS(' ');
if (LINE_IS_FULL) {
advance_conters(' ', &k, &width);
if (line_is_full(k, width)) {
size = search_len = j;
break;
}
}
first_chars = false;
ADVANCE_COUNTERS(c);
advance_conters(ch, &k, &width);
break;
}
}