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Adjustment of rendering functions

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Some tweaking of the rendering functions to make them work as expected in glabels.
This commit is contained in:
Robin Stuart 2010-06-19 11:41:49 +01:00
parent e32561cb34
commit 7e81c5ac55
3 changed files with 36 additions and 34 deletions
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6
backend/library.c
View File

@ -179,7 +179,7 @@ extern int grid_matrix(struct zint_symbol *symbol, unsigned char source[], int l
extern int png_handle(struct zint_symbol *symbol, int rotate_angle);
#endif
extern int render_plot(struct zint_symbol *symbol, unsigned int hide_text, float width, float height);
extern int render_plot(struct zint_symbol *symbol, float width, float height);
extern int bmp_handle(struct zint_symbol *symbol, int rotate_angle);
extern int ps_plot(struct zint_symbol *symbol);
@ -863,8 +863,8 @@ int ZBarcode_Encode_File_and_Buffer(struct zint_symbol *symbol, char *filename,
* dimensions. The symbol->scale and symbol->height values are totally ignored in this case.
*
*/
int ZBarcode_Render(struct zint_symbol *symbol, unsigned int hide_text, float width, float height)
int ZBarcode_Render(struct zint_symbol *symbol, float width, float height)
{
// Send the request to the render_plot method
return render_plot(symbol, hide_text, width, height);
return render_plot(symbol, width, height);
}

55
backend/render.c
View File

@ -34,9 +34,9 @@
struct zint_render_line *render_plot_create_line(float x, float y, float width, float length);
int render_plot_add_line(struct zint_symbol *symbol, struct zint_render_line *line, struct zint_render_line **last_line);
int render_plot_add_string(struct zint_symbol *symbol, char *text, float x, float y, float fsize, float width, struct zint_render_string **last_string);
int render_plot_add_string(struct zint_symbol *symbol, unsigned char *text, float x, float y, float fsize, float width, struct zint_render_string **last_string);
int render_plot(struct zint_symbol *symbol, unsigned int hide_text, float width, float height)
int render_plot(struct zint_symbol *symbol, float width, float height)
{
struct zint_render *render;
struct zint_render_line *line, *last_line = NULL;
@ -53,6 +53,7 @@ int render_plot(struct zint_symbol *symbol, unsigned int hide_text, float width,
float scaler = symbol->scale;
float w, h;
const char *locale = NULL;
int hide_text = 0;
// Allocate memory for the rendered version
render = symbol->rendered = malloc(sizeof(struct zint_render));
@ -87,14 +88,13 @@ int render_plot(struct zint_symbol *symbol, unsigned int hide_text, float width,
}
}
addon[r] = '\0';
if((symbol->show_hrt == 0) || (ustrlen(symbol->text) != 0)) {
hide_text = 0;
}
if(!hide_text && ustrlen(symbol->text)) {
if((!symbol->show_hrt) || (ustrlen(symbol->text) == 0)) {
hide_text = 1;
textheight = textoffset = 0.0;
} else {
textheight = 9.0;
textoffset = 2.0;
} else {
textheight = textoffset = 0.0;
}
@ -294,24 +294,24 @@ int render_plot(struct zint_symbol *symbol, unsigned int hide_text, float width,
textpart[4] = '\0';
textpos = 17;
textwidth = 28.0;
render_plot_add_string(symbol, textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
for(i = 0; i < 4; i++) {
textpart[i] = symbol->text[i + 4];
}
textpart[4] = '\0';
textpos = 50;
render_plot_add_string(symbol, textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
textdone = 1;
switch(strlen(addon)) {
case 2:
textpos = xoffset + 86;
textwidth = 2.0 * 7.0;
render_plot_add_string(symbol, addon, textpos * scaler, addon_text_posn * scaler, 9.0 * scaler, textwidth * scaler, &last_string);
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, 9.0 * scaler, textwidth * scaler, &last_string);
break;
case 5:
textpos = xoffset + 100;
textwidth = 5.0 * 7.0;
render_plot_add_string(symbol, addon, textpos * scaler, addon_text_posn * scaler, 9.0 * scaler, textwidth * scaler, &last_string);
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, 9.0 * scaler, textwidth * scaler, &last_string);
break;
}
@ -336,7 +336,7 @@ int render_plot(struct zint_symbol *symbol, unsigned int hide_text, float width,
textpart[1] = '\0';
textpos = -5; // 7
textwidth = 7.0;
render_plot_add_string(symbol, textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
for(i = 0; i < 6; i++) {
textpart[i] = symbol->text[i + 1];
@ -344,24 +344,24 @@ int render_plot(struct zint_symbol *symbol, unsigned int hide_text, float width,
textpart[6] = '\0';
textpos = 25;
textwidth = 6.0 * 7.0;
render_plot_add_string(symbol, textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
for(i = 0; i < 6; i++) {
textpart[i] = symbol->text[i + 7];
}
textpart[6] = '\0';
textpos = 72;
render_plot_add_string(symbol, textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
textdone = 1;
switch(strlen(addon)) {
case 2:
textpos = xoffset + 114;
textwidth = 2.0 * 7.0;
render_plot_add_string(symbol, addon, textpos * scaler, addon_text_posn * scaler, 9.0 * scaler, textwidth * scaler, &last_string);
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, 9.0 * scaler, textwidth * scaler, &last_string);
break;
case 5:
textpos = xoffset + 128;
textwidth = 5.0 * 7.0;
render_plot_add_string(symbol, addon, textpos * scaler, addon_text_posn * scaler, 9.0 * scaler, textwidth * scaler, &last_string);
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, 9.0 * scaler, textwidth * scaler, &last_string);
break;
}
break;
@ -415,35 +415,35 @@ int render_plot(struct zint_symbol *symbol, unsigned int hide_text, float width,
textpart[1] = '\0';
textpos = -5;
textwidth = 7.0;
render_plot_add_string(symbol, textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
for(i = 0; i < 5; i++) {
textpart[i] = symbol->text[i + 1];
}
textpart[5] = '\0';
textpos = 27;
textwidth = 4.0 * 7.0;
render_plot_add_string(symbol, textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
for(i = 0; i < 5; i++) {
textpart[i] = symbol->text[i + 6];
}
textpos = 68;
render_plot_add_string(symbol, textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
textpart[0] = symbol->text[11];
textpart[1] = '\0';
textpos = 100;
textwidth = 7.0;
render_plot_add_string(symbol, textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
textdone = 1;
switch(strlen(addon)) {
case 2:
textpos = xoffset + 116;
textwidth = 2.0 * 7.0;
render_plot_add_string(symbol, textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
break;
case 5:
textpos = xoffset + 130;
textwidth = 5.0 * 7.0;
render_plot_add_string(symbol, textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 9.0 * scaler, textwidth * scaler, &last_string);
break;
}
}
@ -451,7 +451,7 @@ int render_plot(struct zint_symbol *symbol, unsigned int hide_text, float width,
/* Put normal human readable text at the bottom (and centered) */
if (textdone == 0) {
// caculate start xoffset to center text
render_plot_add_string(symbol, (char *) symbol->text, (symbol->width / 2.0) * scaler, default_text_posn, 9.0 * scaler, 0.0, &last_string);
render_plot_add_string(symbol, symbol->text, (symbol->width / 2.0) * scaler, default_text_posn, 9.0 * scaler, 0.0, &last_string);
}
}
@ -502,7 +502,7 @@ int render_plot_add_line(struct zint_symbol *symbol, struct zint_render_line *li
* Coordinates assumed to be from top-center.
*/
int render_plot_add_string(struct zint_symbol *symbol,
char *text, float x, float y, float fsize, float width,
unsigned char *text, float x, float y, float fsize, float width,
struct zint_render_string **last_string)
{
struct zint_render_string *string;
@ -513,8 +513,9 @@ int render_plot_add_string(struct zint_symbol *symbol,
string->y = y;
string->width = width;
string->fsize = fsize;
string->text = malloc(sizeof(char) * (ustrlen((unsigned char *) text) + 1));
strcpy(string->text, text);
string->length = ustrlen(text);
string->text = malloc(sizeof(unsigned char) * (ustrlen(text) + 1));
ustrcpy(string->text, text);
if (*last_string)
(*last_string)->next = string;

5
backend/zint.h
View File

@ -33,7 +33,8 @@ struct zint_render_line {
struct zint_render_string {
float x, y, fsize;
float width; /* Suggested string width, may be 0 if none recommended */
char *text;
int length;
unsigned char *text;
struct zint_render_string *next; /* Pointer to next character */
};
@ -209,7 +210,7 @@ ZINT_EXTERN int ZBarcode_Print(struct zint_symbol *symbol, int rotate_angle);
ZINT_EXTERN int ZBarcode_Encode_and_Print(struct zint_symbol *symbol, unsigned char *input, int length, int rotate_angle);
ZINT_EXTERN int ZBarcode_Encode_File_and_Print(struct zint_symbol *symbol, char *filename, int rotate_angle);
ZINT_EXTERN int ZBarcode_Render(struct zint_symbol *symbol, unsigned int hide_text, float width, float height);
ZINT_EXTERN int ZBarcode_Render(struct zint_symbol *symbol, float width, float height);
ZINT_EXTERN int ZBarcode_Buffer(struct zint_symbol *symbol, int rotate_angle);
ZINT_EXTERN int ZBarcode_Encode_and_Buffer(struct zint_symbol *symbol, unsigned char *input, int length, int rotate_angle);