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Improved PDF417 plotting and bugfix.

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This commit is contained in:
hooper114
2009-12-20 23:08:04 +00:00
parent d1359c10ca
commit 2afe34a138
2 changed files with 15 additions and 27 deletions
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23
backend/png.c
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@@ -486,6 +486,8 @@ int png_to_file(struct zint_symbol *symbol, int image_height, int image_width, c
error_number = bmp_pixel_plot(symbol, scale_height, scale_width, scaled_pixelbuf, rotate_angle);
}
free(scaled_pixelbuf);
return error_number;
}
@@ -705,6 +707,7 @@ int png_plot(struct zint_symbol *symbol, int rotate_angle, int data_type)
float row_height, row_posn;
int error_number;
int default_text_posn;
int next_yposn;
#ifndef _MSC_VER
unsigned char local_text[ustrlen(symbol->text) + 1];
#else
@@ -816,26 +819,22 @@ int png_plot(struct zint_symbol *symbol, int rotate_angle, int data_type)
default_text_posn = image_height - 17 - symbol->border_width - symbol->border_width;
}
row_posn = textoffset + yoffset;
next_yposn = textoffset + yoffset;
row_height = 0;
/* Plot the body of the symbol to the pixel buffer */
for(r = 0; r < symbol->rows; r++) {
this_row = symbol->rows - r - 1; /* invert r otherwise plots upside down */
row_posn += row_height;
plot_yposn = next_yposn;
if(symbol->row_height[this_row] == 0) {
row_height = large_bar_height;
} else {
row_height = symbol->row_height[this_row];
}
row_posn = 0;
for(i = 0; i < r; i++) {
if(symbol->row_height[symbol->rows - i - 1] == 0) {
row_posn += large_bar_height;
} else {
row_posn += symbol->row_height[symbol->rows - i - 1];
}
}
row_posn += (textoffset + yoffset);
plot_height = (int)row_height;
plot_yposn = (int)row_posn;
next_yposn = (int)(row_posn + row_height);
plot_height = next_yposn - plot_yposn;
i = 0;
if(module_is_set(symbol, this_row, 0)) {