diff options
Diffstat (limited to 'src/cd_vectortext.c')
| -rw-r--r-- | src/cd_vectortext.c | 901 |
1 files changed, 636 insertions, 265 deletions
diff --git a/src/cd_vectortext.c b/src/cd_vectortext.c index 9886a3b..0be62af 100644 --- a/src/cd_vectortext.c +++ b/src/cd_vectortext.c @@ -8,6 +8,7 @@ #include <stdio.h> #include <string.h> #include <math.h> +#include <assert.h> #include "cd.h" #include "wd.h" @@ -30,17 +31,18 @@ typedef struct cdCaracter struct _cdVectorFont { + /* font data */ char name[256]; /* font name */ - char file_name[10240]; /* font file name */ + char file_name[10240]; /* font file name */ cdCaracter *chars; /* array of characters */ - int top, /* from baseline to top */ - cap, /* from baseline to cap (top of chars) */ - half, /* half between top and bottom UNUSED */ + cap, /* from baseline to cap (UNUSED) */ + half, /* half between top and bottom (UNUSED) */ bottom; /* from baseline to bottom (negative) */ - double point_size_x, point_size_y; /* internal char size proportional to "top" */ + + /* attributes (independ from font) */ + double size_x, size_y; /* internal font size */ double current_cos, current_sin; /* text direction */ - int space, line_space; /* space between chars and vf_lines */ /* general transformation matrix */ int text_transf; @@ -4206,12 +4208,6 @@ static void vf_setdefaultfont(cdVectorFont *vector_font) vector_font->cap = vf_default_cap; vector_font->half = vf_default_half; vector_font->bottom = vf_default_bottom; - vector_font->point_size_x = 1.0; - vector_font->point_size_y = 1.0; - vector_font->current_cos = 1.0; - vector_font->current_sin = 0.0; - vector_font->space = 1; - vector_font->line_space = 1; } static int vf_readfontfile(FILE *file, cdVectorFont *vector_font) @@ -4293,7 +4289,7 @@ static int vf_readfontstring(const char* file, cdVectorFont *vector_font) sprintf(vector_font->name, "Unknown"); } - /* skip 2 blank vf_lines */ + /* skip 2 blank lines */ file = strstr(file, "\n")+1; /* goto next line */ file = strstr(file, "\n")+1; /* goto next line */ @@ -4335,27 +4331,28 @@ static int vf_readfontstring(const char* file, cdVectorFont *vector_font) return 1; } -static int vf_primlen(cdVectorFont *vector_font, const char* s) +static int vf_textwidth(cdVectorFont *vector_font, const char* s) { - int len = 0; + int width = 0; while (*s) - len += vector_font->chars[(unsigned char)(*(s++))].right + vector_font->space; - return len; + width += vector_font->chars[(unsigned char)(*(s++))].right; + if (width==0) width = 1; + return width; } -static void vf_move_dir(cdVectorFont *vector_font, int *px, int *py, double dx, double dy) +static void vf_move_dir(cdVectorFont *vector_font, int *x, int *y, double dx, double dy) { - *px += cdRound(vector_font->current_cos*dx - vector_font->current_sin*dy); - *py += cdRound(vector_font->current_sin*dx + vector_font->current_cos*dy); + *x += cdRound(vector_font->current_cos*dx - vector_font->current_sin*dy); + *y += cdRound(vector_font->current_sin*dx + vector_font->current_cos*dy); } -static void vf_wmove_dir(cdVectorFont *vector_font, double *px, double *py, double dx, double dy) +static void vf_wmove_dir(cdVectorFont *vector_font, double *x, double *y, double dx, double dy) { - *px += vector_font->current_cos*dx - vector_font->current_sin*dy; - *py += vector_font->current_sin*dx + vector_font->current_cos*dy; + *x += vector_font->current_cos*dx - vector_font->current_sin*dy; + *y += vector_font->current_sin*dx + vector_font->current_cos*dy; } -static void vf_writechar(cdVectorFont *vector_font, char c, int *px, int *py) +static void vf_draw_char(cdVectorFont *vector_font, char c, int *x, int *y) { unsigned char ac = vf_ansi2ascii[(unsigned char)c]; cdOperation *current = vector_font->chars[ac].op; @@ -4363,8 +4360,8 @@ static void vf_writechar(cdVectorFont *vector_font, char c, int *px, int *py) for(m = 0; m < op; m++) { - int ponto_x = *px; - int ponto_y = *py; + int px = *x; + int py = *y; if (current->operation == 'm') { @@ -4372,23 +4369,23 @@ static void vf_writechar(cdVectorFont *vector_font, char c, int *px, int *py) cdCanvasBegin(vector_font->canvas, CD_OPEN_LINES); } - vf_move_dir(vector_font, &ponto_x, &ponto_y, current->x*vector_font->point_size_x, current->y*vector_font->point_size_y); + vf_move_dir(vector_font, &px, &py, current->x*vector_font->size_x, current->y*vector_font->size_y); if (vector_font->text_transf) { - double aux = ponto_x*vector_font->text_matrix[3] + ponto_y*vector_font->text_matrix[4] + vector_font->text_matrix[5]; - ponto_y = cdRound(ponto_x*vector_font->text_matrix[0] + ponto_y*vector_font->text_matrix[1] + vector_font->text_matrix[2]); - ponto_x = _cdRound(aux); + double aux = px*vector_font->text_matrix[3] + py*vector_font->text_matrix[4] + vector_font->text_matrix[5]; + py = cdRound(px*vector_font->text_matrix[0] + py*vector_font->text_matrix[1] + vector_font->text_matrix[2]); + px = _cdRound(aux); } - cdCanvasVertex(vector_font->canvas, ponto_x, ponto_y); + cdCanvasVertex(vector_font->canvas, px, py); current++; } if (m) cdCanvasEnd(vector_font->canvas); } -static void vf_wwritechar(cdVectorFont *vector_font, char c, double *px, double *py) +static void vf_wdraw_char(cdVectorFont *vector_font, char c, double *x, double *y) { unsigned char ac = vf_ansi2ascii[(unsigned char)c]; cdOperation *current = vector_font->chars[ac].op; @@ -4396,8 +4393,8 @@ static void vf_wwritechar(cdVectorFont *vector_font, char c, double *px, double for(m = 0; m < op; m++) { - double ponto_x = *px; - double ponto_y = *py; + double px = *x; + double py = *y; if (current->operation == 'm') { @@ -4405,146 +4402,214 @@ static void vf_wwritechar(cdVectorFont *vector_font, char c, double *px, double cdCanvasBegin(vector_font->canvas, CD_OPEN_LINES); } - vf_wmove_dir(vector_font, &ponto_x, &ponto_y, current->x*vector_font->point_size_x, current->y*vector_font->point_size_y); + vf_wmove_dir(vector_font, &px, &py, current->x*vector_font->size_x, current->y*vector_font->size_y); if (vector_font->text_transf) { - double aux = ponto_x*vector_font->text_matrix[3] + ponto_y*vector_font->text_matrix[4] + vector_font->text_matrix[5]; - ponto_y = ponto_x*vector_font->text_matrix[0] + ponto_y*vector_font->text_matrix[1] + vector_font->text_matrix[2]; - ponto_x = aux; + double aux = px*vector_font->text_matrix[3] + py*vector_font->text_matrix[4] + vector_font->text_matrix[5]; + py = px*vector_font->text_matrix[0] + py*vector_font->text_matrix[1] + vector_font->text_matrix[2]; + px = aux; } - wdCanvasVertex(vector_font->canvas, ponto_x, ponto_y); + wdCanvasVertex(vector_font->canvas, px, py); current++; } if (m) cdCanvasEnd(vector_font->canvas); } -static int vf_lines(char * s) +static void vf_move_to_base(cdVectorFont *vector_font, int *x, int *y, int width) { - int n = 1; - while (*s != 0) + /* move point to baseline/left according to alignment */ + int align = vector_font->canvas->text_alignment; + + if (align == CD_NORTH || align == CD_NORTH_EAST || align == CD_NORTH_WEST) { - if (*s == '\n') - { - n++; - *s = 0; - } - s++; + vf_move_dir(vector_font, x, y, 0, -vector_font->top*vector_font->size_y); } - return n; -} - -static void vf_basic_write(cdVectorFont *vector_font, const char* s, int px, int py) -{ - while (*s) + else if (align == CD_SOUTH || align == CD_SOUTH_EAST || align == CD_SOUTH_WEST) { - vf_writechar(vector_font, *s, &px, &py); - vf_move_dir(vector_font, &px, &py, (vector_font->chars[(unsigned char)*s].right + vector_font->space)*vector_font->point_size_x, 0); - s++; + vf_move_dir(vector_font, x, y, 0, -vector_font->bottom*vector_font->size_y); /* bottom is < 0 */ } -} + else if (align == CD_BASE_CENTER || align == CD_BASE_LEFT || align == CD_BASE_RIGHT) + { + /* y = y; */ + } + else /* CD_CENTER || CD_EAST || CD_WEST */ + vf_move_dir(vector_font, x, y, 0, -((double)(vector_font->top+vector_font->bottom)/2.0)*vector_font->size_y); -static void vf_wbasic_write(cdVectorFont *vector_font, const char* s, double px, double py) -{ - while (*s) + if (align == CD_EAST || align == CD_NORTH_EAST || align == CD_SOUTH_EAST || align == CD_BASE_RIGHT) { - vf_wwritechar(vector_font, *s, &px, &py); - vf_wmove_dir(vector_font, &px, &py, (vector_font->chars[(unsigned char)*s].right + vector_font->space)*vector_font->point_size_x, 0); - s++; + vf_move_dir(vector_font, x, y, -width*vector_font->size_x, 0); + } + else if (align == CD_WEST || align == CD_NORTH_WEST || align == CD_SOUTH_WEST || align == CD_BASE_LEFT) + { + /* x = x; */ + } + else /* CD_CENTER || CD_NORTH || CD_SOUTH */ + { + vf_move_dir(vector_font, x, y, -(width*vector_font->size_x)/2.0, 0); } } -static void vf_calc_pos(cdVectorFont *vector_font, int *px, int *py, int prim_len) +static void vf_wmove_to_base(cdVectorFont *vector_font, double *x, double *y, int width) { - int align = cdCanvasTextAlignment(vector_font->canvas, CD_QUERY); + /* move point to baseline/left according to alignment */ + int align = vector_font->canvas->text_alignment; if (align == CD_NORTH || align == CD_NORTH_EAST || align == CD_NORTH_WEST) { - vf_move_dir(vector_font, px, py, 0, -vector_font->top*vector_font->point_size_y); + vf_wmove_dir(vector_font, x, y, 0, -vector_font->top*vector_font->size_y); } else if (align == CD_SOUTH || align == CD_SOUTH_EAST || align == CD_SOUTH_WEST) { - vf_move_dir(vector_font, px, py, 0, -vector_font->bottom*vector_font->point_size_y); /* bottom is < 0 */ + vf_wmove_dir(vector_font, x, y, 0, -vector_font->bottom*vector_font->size_y); /* bottom is < 0 */ } else if (align == CD_BASE_CENTER || align == CD_BASE_LEFT || align == CD_BASE_RIGHT) { - /* py = py; */ + /* y = y; */ } - else /* center em y */ - vf_move_dir(vector_font, px, py, 0, -(double)(vector_font->cap+vector_font->bottom)/2*vector_font->point_size_y); + else /* CD_CENTER || CD_EAST || CD_WEST */ + vf_wmove_dir(vector_font, x, y, 0, -((double)(vector_font->top+vector_font->bottom)/2.0)*vector_font->size_y); if (align == CD_EAST || align == CD_NORTH_EAST || align == CD_SOUTH_EAST || align == CD_BASE_RIGHT) { - vf_move_dir(vector_font, px, py, -prim_len*vector_font->point_size_x, 0); + vf_wmove_dir(vector_font, x, y, -width*vector_font->size_x, 0); } else if (align == CD_WEST || align == CD_NORTH_WEST || align == CD_SOUTH_WEST || align == CD_BASE_LEFT) { - ; /* px = px; */ + /* x = x; */ + } + else /* CD_CENTER || CD_NORTH || CD_SOUTH */ + { + vf_wmove_dir(vector_font, x, y, -(width*vector_font->size_x)/2.0, 0); } - else /* center em x */ - vf_move_dir(vector_font, px, py, -(prim_len*vector_font->point_size_x)/2, 0); } -static void vf_wcalc_pos(cdVectorFont *vector_font, double *px, double *py, int prim_len) +static void vf_draw_text(cdVectorFont* vector_font, int x, int y, const char* s, int width) { - int align = cdCanvasTextAlignment(vector_font->canvas, CD_QUERY); + vf_move_to_base(vector_font, &x, &y, width); - if (align == CD_NORTH || align == CD_NORTH_EAST || align == CD_NORTH_WEST) - { - vf_wmove_dir(vector_font, px, py, 0, -vector_font->top*vector_font->point_size_y); - } - else if (align == CD_SOUTH || align == CD_SOUTH_EAST || align == CD_SOUTH_WEST) + while (*s) { - vf_wmove_dir(vector_font, px, py, 0, -vector_font->bottom*vector_font->point_size_y); /* bottom is < 0 */ + vf_draw_char(vector_font, *s, &x, &y); + vf_move_dir(vector_font, &x, &y, (vector_font->chars[(unsigned char)*s].right)*vector_font->size_x, 0); + s++; } - else if (align == CD_BASE_CENTER || align == CD_BASE_LEFT || align == CD_BASE_RIGHT) +} + +static void vf_wdraw_text(cdVectorFont* vector_font, double x, double y, const char* s, int width) +{ + vf_wmove_to_base(vector_font, &x, &y, width); + + while (*s) { - /* py = py; */ + vf_wdraw_char(vector_font, *s, &x, &y); + vf_wmove_dir(vector_font, &x, &y, (vector_font->chars[(unsigned char)*s].right)*vector_font->size_x, 0); + s++; } - else /* center em y */ - vf_wmove_dir(vector_font, px, py, 0, -(double)(vector_font->cap+vector_font->bottom)/2*vector_font->point_size_y); +} - if (align == CD_EAST || align == CD_NORTH_EAST || align == CD_SOUTH_EAST || align == CD_BASE_RIGHT) +static void vf_calc_point(cdVectorFont *vector_font, int start_x, int start_y, int *x, int *y, int dx, int dy) +{ + *x = start_x; + *y = start_y; + + vf_move_dir(vector_font, x, y, dx, dy); + + if (vector_font->text_transf) { - vf_wmove_dir(vector_font, px, py, -prim_len*vector_font->point_size_x, 0); + double aux = *x * vector_font->text_matrix[3] + *y * vector_font->text_matrix[4] + vector_font->text_matrix[5]; + *y = cdRound(*x * vector_font->text_matrix[0] + *y * vector_font->text_matrix[1] + vector_font->text_matrix[2]); + *x = _cdRound(aux); } - else if (align == CD_WEST || align == CD_NORTH_WEST || align == CD_SOUTH_WEST || align == CD_BASE_LEFT) +} + +static void vf_wcalc_point(cdVectorFont *vector_font, double start_x, double start_y, double *x, double *y, double dx, double dy) +{ + *x = start_x; + *y = start_y; + + vf_wmove_dir(vector_font, x, y, dx, dy); + + if (vector_font->text_transf) { - ; /* px = px; */ + double aux = *x * vector_font->text_matrix[3] + *y * vector_font->text_matrix[4] + vector_font->text_matrix[5]; + *y = *x * vector_font->text_matrix[0] + *y * vector_font->text_matrix[1] + vector_font->text_matrix[2]; + *x = aux; } - else /* center em x */ - vf_wmove_dir(vector_font, px, py, -(prim_len*vector_font->point_size_x)/2, 0); } -static void vf_calc_point(cdVectorFont *vector_font, int startx, int starty, int *px, int *py, int dx, int dy) +static int vf_gettextmaxwidth(cdVectorFont* vector_font, const char* s, int num_lin) { - *px = startx; - *py = starty; - vf_move_dir(vector_font, px, py, dx, dy); + int i, max_w = 0, w; + char *p, *q, *new_s; - if (vector_font->text_transf) + new_s = cdStrDup(s); + p = new_s; + + for(i = 0; i < num_lin; i++) { - double aux = *px * vector_font->text_matrix[3] + *py * vector_font->text_matrix[4] + vector_font->text_matrix[5]; - *py = cdRound(*px * vector_font->text_matrix[0] + *py * vector_font->text_matrix[1] + vector_font->text_matrix[2]); - *px = _cdRound(aux); + q = strchr(p, '\n'); + if (q) *q = 0; /* Cut the string to contain only one line */ + + /* Calculate line width */ + w = vf_textwidth(vector_font, p); + if (w > max_w) max_w = w; + + /* Advance the string */ + if (q) p = q + 1; } + + free(new_s); + return max_w; } -static void vf_wcalc_point(cdVectorFont *vector_font, double startx, double starty, double *px, double *py, double dx, double dy) +static void vf_gettextsize(cdVectorFont* vector_font, const char* s, int *width, int *height) { - *px = startx; - *py = starty; + int num_lin = cdStrLineCount(s); + if (num_lin == 1) + { + *width = vf_textwidth(vector_font, s); + *height = vector_font->top - vector_font->bottom; + } + else + { + *width = vf_gettextmaxwidth(vector_font, s, num_lin); + *height = num_lin*(vector_font->top - vector_font->bottom); + } +} - vf_wmove_dir(vector_font, px, py, dx, dy); +static void vf_move_to_first(cdVectorFont* vector_font, int align, int *x, int *y, int num_lin, double line_height) +{ + /* position vertically at the first line */ + if (align == CD_NORTH || align == CD_NORTH_EAST || align == CD_NORTH_WEST || /* it is relative to the full text */ + align == CD_BASE_LEFT || align == CD_BASE_CENTER || align == CD_BASE_RIGHT) /* it is relative to the first line already */ + { + /* Already at position */ + } + else if (align == CD_SOUTH || align == CD_SOUTH_EAST || align == CD_SOUTH_WEST) /* it is relative to the full text */ + { + vf_move_dir(vector_font, x, y, 0, (num_lin-1)*line_height); + } + else /* CD_CENTER || CD_EAST || CD_WEST */ /* it is relative to the full text */ + vf_move_dir(vector_font, x, y, 0, (num_lin-1)*line_height/2.0); +} - if (vector_font->text_transf) +static void vf_wmove_to_first(cdVectorFont* vector_font, int align, double *x, double *y, int num_lin, double line_height) +{ + /* position vertically at the first line */ + if (align == CD_NORTH || align == CD_NORTH_EAST || align == CD_NORTH_WEST || /* it is relative to the full text */ + align == CD_BASE_LEFT || align == CD_BASE_CENTER || align == CD_BASE_RIGHT) /* it is relative to the first line already */ + { + /* Already at position */ + } + else if (align == CD_SOUTH || align == CD_SOUTH_EAST || align == CD_SOUTH_WEST) /* it is relative to the full text */ { - double aux = *px * vector_font->text_matrix[3] + *py * vector_font->text_matrix[4] + vector_font->text_matrix[5]; - *py = *px * vector_font->text_matrix[0] + *py * vector_font->text_matrix[1] + vector_font->text_matrix[2]; - *px = aux; + vf_wmove_dir(vector_font, x, y, 0, (num_lin-1)*line_height); } + else /* CD_CENTER || CD_EAST || CD_WEST */ /* it is relative to the full text */ + vf_wmove_dir(vector_font, x, y, 0, (num_lin-1)*line_height/2.0); } static char *cd_getCDDIR(void) @@ -4562,49 +4627,113 @@ static char *cd_getCDDIR(void) cdVectorFont* cdCreateVectorFont(cdCanvas* canvas) { - cdVectorFont* vector_font = calloc(1, sizeof(cdVectorFont)); + cdVectorFont* vector_font; + + assert(canvas); + if (!_cdCheckCanvas(canvas)) return NULL; + + vector_font = calloc(1, sizeof(cdVectorFont)); + vector_font->canvas = canvas; + vf_setdefaultfont(vector_font); + + vector_font->size_x = 1.0; + vector_font->size_y = 1.0; + + vector_font->current_cos = 1.0; + vector_font->current_sin = 0.0; + + vector_font->text_transf = 0; + return vector_font; } void cdKillVectorFont(cdVectorFont* vector_font) { + assert(vector_font); + if (!vector_font) return; + if (vector_font->chars && vector_font->chars != vf_default_chars) vf_releasefontchars(vector_font); /* not the default font */ free(vector_font); } -void cdCanvasVectorTextDirection(cdCanvas* canvas, int x1, int y1, int x2, int y2) +char *cdCanvasVectorFont(cdCanvas* canvas, const char *file) { - int dx=x2-x1; - int dy=y2-y1; - double len = sqrt(dx*dx +dy*dy); - cdVectorFont* vector_font = canvas->vector_font; - vector_font->current_sin = dy/len; - vector_font->current_cos = dx/len; -} + cdVectorFont* vector_font; -int cdCanvasVectorCharSize(cdCanvas* canvas, int size) -{ - cdVectorFont* vector_font = canvas->vector_font; - int old_size = cdRound(vector_font->point_size_y*vector_font->top); - if (size == CD_QUERY) - return old_size; + assert(canvas); + assert(file); + if (!_cdCheckCanvas(canvas)) return NULL; - vector_font->point_size_y = size/(double)vector_font->top; - vector_font->point_size_x = size/(double)vector_font->top; + if (file[0] == 0) + return NULL; - return old_size; + vector_font = canvas->vector_font; + if (!file) + { + vf_setdefaultfont(vector_font); + vector_font->file_name[0] = 0; + } + else + { + FILE *font = NULL; + int read_ok; + + /* se arquivo foi o mesmo que o arq. corrente, entao retorna */ + if (strcmp (file, vector_font->file_name) == 0) + return vector_font->name; + + /* abre arq. no dir. corrente */ + font = fopen(file, "r"); + + /* se nao conseguiu, abre arq. no dir. do cd, */ + if (!font && (strlen(file) < 10240 - strlen(cd_getCDDIR()))) + { + char filename[10240]; + sprintf(filename, "%s/%s", cd_getCDDIR(), file); + font = fopen(filename, "r"); + } + + if (font) + read_ok = vf_readfontfile(font, vector_font); + else + read_ok = vf_readfontstring(file, vector_font); + + if (!read_ok) + { + if (font) fclose(font); + vf_setdefaultfont(vector_font); + vector_font->file_name[0] = 0; + return NULL; + } + + /* guarda nome do arquivo que esta' carregado */ + if (font) + { + strcpy(vector_font->file_name, file); + fclose(font); + } + else + strcpy(vector_font->file_name, vector_font->name); + } + + return vector_font->name; } double* cdCanvasVectorTextTransform(cdCanvas* canvas, const double* matrix) { - cdVectorFont* vector_font = canvas->vector_font; + cdVectorFont* vector_font; int i; static double old_matrix[6]; + assert(canvas); + assert(matrix); + if (!_cdCheckCanvas(canvas)) return NULL; + + vector_font = canvas->vector_font; if (vector_font->text_transf) { for (i=0; i<6; i++) @@ -4629,131 +4758,250 @@ double* cdCanvasVectorTextTransform(cdCanvas* canvas, const double* matrix) return old_matrix; } -void cdCanvasGetVectorTextSize(cdCanvas* canvas, const char *s, int *px, int *py) +/******************************************************/ +/* vector text em Raster */ +/******************************************************/ + +void cdCanvasVectorTextDirection(cdCanvas* canvas, int x1, int y1, int x2, int y2) +{ + cdVectorFont* vector_font; + int dx, dy; + double len; + + assert(canvas); + if (!_cdCheckCanvas(canvas)) return; + + vector_font = canvas->vector_font; + + dx=x2-x1; + dy=y2-y1; + len = sqrt(dx*dx +dy*dy); + if (len == 0) len = 1; + vector_font->current_sin = dy/len; + vector_font->current_cos = dx/len; +} + +void cdCanvasVectorFontSize(cdCanvas* canvas, double size_x, double size_y) { - cdVectorFont* vector_font = canvas->vector_font; - if (px) *px = cdRound(vf_primlen(vector_font, s)*vector_font->point_size_x); - if (py) *py = cdRound(vector_font->top*vector_font->point_size_y); + cdVectorFont* vector_font; + + assert(canvas); + if (!_cdCheckCanvas(canvas)) return; + + vector_font = canvas->vector_font; + + vector_font->size_x = size_x; + vector_font->size_y = size_y; } -void cdCanvasGetVectorTextBounds(cdCanvas* canvas, const char *s, int px, int py, int *rect) +void cdCanvasGetVectorFontSize(cdCanvas* canvas, double *size_x, double *size_y) { - cdVectorFont* vector_font = canvas->vector_font; - int prim_len = vf_primlen(vector_font, s); - int sx = cdRound(prim_len*vector_font->point_size_x); - int sy = cdRound(vector_font->top*vector_font->point_size_y); + cdVectorFont* vector_font; - vf_calc_pos(vector_font, &px, &py, prim_len); + assert(canvas); + if (!_cdCheckCanvas(canvas)) return; - vf_move_dir(vector_font, &px, &py, 0, vector_font->bottom*vector_font->point_size_y); + vector_font = canvas->vector_font; - vf_calc_point(vector_font, px, py, &rect[0], &rect[1], 0, 0); - vf_calc_point(vector_font, px, py, &rect[2], &rect[3], sx, 0); - vf_calc_point(vector_font, px, py, &rect[4], &rect[5], sx, sy); - vf_calc_point(vector_font, px, py, &rect[6], &rect[7], 0, sy); + if (size_x) *size_x = vector_font->size_x; + if (size_y) *size_y = vector_font->size_y; } -void cdCanvasVectorTextSize(cdCanvas* canvas, int size_x, int size_y, const char* s) +int cdCanvasVectorCharSize(cdCanvas* canvas, int size) { - cdVectorFont* vector_font = canvas->vector_font; - vector_font->point_size_x = size_x/(double)vf_primlen(vector_font, s); - vector_font->point_size_y = size_y/(double)vector_font->top; + cdVectorFont* vector_font; + int old_size; + + assert(canvas); + if (!_cdCheckCanvas(canvas)) return 0; + + vector_font = canvas->vector_font; + old_size = cdRound(vector_font->size_y*vector_font->top); + if (size == CD_QUERY) + return old_size; + + vector_font->size_y = size/(double)vector_font->top; + vector_font->size_x = vector_font->size_y; + + return old_size; } -void cdCanvasVectorText(cdCanvas* canvas, int px, int py, const char* s) +void cdCanvasVectorTextSize(cdCanvas* canvas, int s_width, int s_height, const char* s) { - cdVectorFont* vector_font = canvas->vector_font; - int prim_len = vf_primlen(vector_font, s); - vf_calc_pos(vector_font, &px, &py, prim_len); - vf_basic_write(vector_font, s, px, py); + int width, height; + cdVectorFont* vector_font; + + assert(canvas); + assert(s); + if (!_cdCheckCanvas(canvas)) return; + + if (s[0] == 0) + return; + + vector_font = canvas->vector_font; + vf_gettextsize(vector_font, s, &width, &height); + + vector_font->size_x = (double)s_width/(double)width; + vector_font->size_y = (double)s_height/(double)height; } -void cdCanvasMultiLineVectorText(cdCanvas* canvas, int px, int py, const char* s) +void cdCanvasGetVectorTextSize(cdCanvas* canvas, const char *s, int *x, int *y) { - cdVectorFont* vector_font = canvas->vector_font; - double line_height = (vector_font->top - vector_font->bottom + vector_font->line_space) * vector_font->point_size_y; - char buff[MULTILINE_MAXLEN]; - char *str = buff; - int n; + int width, height; + cdVectorFont* vector_font; - int align = cdCanvasTextAlignment(vector_font->canvas, CD_QUERY); /* procura o alinhamento do CD */ + assert(canvas); + assert(s); + if (!_cdCheckCanvas(canvas)) return; - if (strlen(s) >= MULTILINE_MAXLEN) + if (s[0] == 0) return; - strcpy(str, s); - n = vf_lines(str); - if (align == CD_NORTH || align == CD_NORTH_EAST || align == CD_NORTH_WEST) - { - ; /* Already at position */ - } - else if (align == CD_SOUTH || align == CD_SOUTH_EAST || align == CD_SOUTH_WEST) - { - vf_move_dir(vector_font, &px, &py, 0, (n-1)*line_height); - } - else - vf_move_dir(vector_font, &px, &py, 0, ((double)(n-1)/2)*line_height); + vector_font = canvas->vector_font; + + vf_gettextsize(vector_font, s, &width, &height); + + if (x) *x = cdRound(width*vector_font->size_x); + if (y) *y = cdRound(height*vector_font->size_y); +} + +void cdCanvasGetVectorTextBounds(cdCanvas* canvas, const char *s, int x, int y, int *rect) +{ + cdVectorFont* vector_font; + int sx, sy; + int width, height, num_lin; + double line_height; + + assert(canvas); + assert(s); + if (!_cdCheckCanvas(canvas)) return; + + if (s[0] == 0) + return; + + vector_font = canvas->vector_font; - while (n--) + vf_gettextsize(vector_font, s, &width, &height); + num_lin = height/(vector_font->top - vector_font->bottom); + + sx = cdRound(width*vector_font->size_x); + sy = cdRound(height*vector_font->size_y); + + line_height = (vector_font->top - vector_font->bottom) * vector_font->size_y; + + if (num_lin > 1) { - cdCanvasVectorText(canvas, px, py, str); - str += strlen(str)+1; - vf_move_dir(vector_font, &px, &py, 0, -line_height); + /* position vertically at the first line */ + int align = canvas->text_alignment; + vf_move_to_first(vector_font, align, &x, &y, num_lin, line_height); } + + /* move to bottom/left corner */ + vf_move_to_base(vector_font, &x, &y, width); + vf_move_dir(vector_font, &x, &y, 0, vector_font->bottom*vector_font->size_y); /* from base/left to bottom/left of the first line */ + if (num_lin > 1) + vf_move_dir(vector_font, &x, &y, 0, -(height*vector_font->size_y - line_height)); /* from bottom/left to the bottom of the last line */ + + vf_calc_point(vector_font, x, y, &rect[0], &rect[1], 0, 0); + vf_calc_point(vector_font, x, y, &rect[2], &rect[3], sx, 0); + vf_calc_point(vector_font, x, y, &rect[4], &rect[5], sx, sy); + vf_calc_point(vector_font, x, y, &rect[6], &rect[7], 0, sy); } -char *cdCanvasVectorFont(cdCanvas* canvas, const char *file) +void cdCanvasGetVectorTextBox(cdCanvas* canvas, int x, int y, const char *s, int *xmin, int *xmax, int *ymin, int *ymax) { - cdVectorFont* vector_font = canvas->vector_font; - if (!file) + int rect[8]; + int _xmin, _xmax, _ymin, _ymax; + + cdCanvasGetVectorTextBounds(canvas, s, x, y, rect); + + _xmin = rect[0]; + _ymin = rect[1]; + _xmax = rect[0]; + _ymax = rect[1]; + + if(rect[2] < _xmin) _xmin = rect[2]; + if(rect[4] < _xmin) _xmin = rect[4]; + if(rect[6] < _xmin) _xmin = rect[6]; + + if(rect[3] < _ymin) _ymin = rect[3]; + if(rect[5] < _ymin) _ymin = rect[5]; + if(rect[7] < _ymin) _ymin = rect[7]; + + if(rect[2] > _xmax) _xmax = rect[2]; + if(rect[4] > _xmax) _xmax = rect[4]; + if(rect[6] > _xmax) _xmax = rect[6]; + + if(rect[3] > _ymax) _ymax = rect[3]; + if(rect[5] > _ymax) _ymax = rect[5]; + if(rect[7] > _ymax) _ymax = rect[7]; + + if (xmin) *xmin = _xmin; + if (xmax) *xmax = _xmax; + if (ymin) *ymin = _ymin; + if (ymax) *ymax = _ymax; +} + +void cdCanvasVectorText(cdCanvas* canvas, int x, int y, const char* s) +{ + cdVectorFont* vector_font; + int num_lin, align, width = 0; + + assert(canvas); + assert(s); + if (!_cdCheckCanvas(canvas)) return; + + if (s[0] == 0) + return; + + vector_font = canvas->vector_font; + align = canvas->text_alignment; + + num_lin = cdStrLineCount(s); + if (num_lin == 1) { - vf_setdefaultfont(vector_font); - vector_font->file_name[0] = 0; + if (align != CD_WEST && align != CD_NORTH_WEST && align != CD_SOUTH_WEST && align != CD_BASE_LEFT) + width = vf_textwidth(vector_font, s); /* only necessary for some alignments */ + + vf_draw_text(vector_font, x, y, s, width); } else { - FILE *font = NULL; - int read_ok; + char *p, *q, *new_s; + double line_height = (vector_font->top - vector_font->bottom) * vector_font->size_y; + int i; - /* se arquivo foi o mesmo que o arq. corrente, entao retorna */ - if (strcmp (file, vector_font->file_name) == 0) - return vector_font->name; + if (align != CD_WEST && align != CD_NORTH_WEST && align != CD_SOUTH_WEST && align != CD_BASE_LEFT) + width = vf_gettextmaxwidth(vector_font, s, num_lin); /* only necessary for some alignments */ - /* abre arq. no dir. corrente */ - font = fopen(file, "r"); + /* position vertically at the first line */ + vf_move_to_first(vector_font, align, &x, &y, num_lin, line_height); - /* se nao conseguiu, abre arq. no dir. do cd, */ - if (!font && (strlen(file) < 10240 - strlen(cd_getCDDIR()))) + new_s = cdStrDup(s); + p = new_s; + + for(i = 0; i < num_lin; i++) { - char filename[10240]; - sprintf(filename, "%s/%s", cd_getCDDIR(), file); - font = fopen(filename, "r"); - } + q = strchr(p, '\n'); + if (q) *q = 0; /* Cut the string to contain only one line */ - if (font) - read_ok = vf_readfontfile(font, vector_font); - else - read_ok = vf_readfontstring(file, vector_font); + /* Draw the line */ + vf_draw_text(vector_font, x, y, p, width); - if (!read_ok) - { - if (font) fclose(font); - vf_setdefaultfont(vector_font); - vector_font->file_name[0] = 0; - return NULL; - } + /* Advance the string */ + if (q) p = q + 1; - /* guarda nome do arquivo que esta' carregado */ - if (font) - { - strcpy(vector_font->file_name, file); - fclose(font); + /* Advance a line */ + vf_move_dir(vector_font, &x, &y, 0, -line_height); } - else - strcpy(vector_font->file_name, vector_font->name); + + free(new_s); } +} - return vector_font->name; +void cdCanvasMultiLineVectorText(cdCanvas* canvas, int x, int y, const char* s) +{ + cdCanvasVectorText(canvas, x, y, s); } /******************************************************/ @@ -4762,92 +5010,215 @@ char *cdCanvasVectorFont(cdCanvas* canvas, const char *file) void wdCanvasVectorTextDirection(cdCanvas* canvas, double x1, double y1, double x2, double y2) { - cdVectorFont* vector_font = canvas->vector_font; - double dx=x2-x1; - double dy=y2-y1; - double len = sqrt(dx*dx +dy*dy); + cdVectorFont* vector_font; + double dx, dy, len; + + assert(canvas); + if (!_cdCheckCanvas(canvas)) return; + + vector_font = canvas->vector_font; + + dx=x2-x1; + dy=y2-y1; + len = sqrt(dx*dx +dy*dy); + if (len == 0) len = 1; vector_font->current_sin = dy/len; vector_font->current_cos = dx/len; } double wdCanvasVectorCharSize(cdCanvas* canvas, double size) { - cdVectorFont* vector_font = canvas->vector_font; - double old_size = vector_font->point_size_y*vector_font->top; + cdVectorFont* vector_font; + double old_size; + + assert(canvas); + if (!_cdCheckCanvas(canvas)) return 0; + + vector_font = canvas->vector_font; + old_size = vector_font->size_y*vector_font->top; if (size == CD_QUERY) return old_size; - vector_font->point_size_y = size/(double)vector_font->top; - vector_font->point_size_x = size/(double)vector_font->top; + vector_font->size_y = size/(double)vector_font->top; + vector_font->size_x = vector_font->size_y; return old_size; } -void wdCanvasVectorTextSize(cdCanvas* canvas, double size_x, double size_y, const char* s) +void wdCanvasVectorTextSize(cdCanvas* canvas, double s_width, double s_height, const char* s) { - cdVectorFont* vector_font = canvas->vector_font; - vector_font->point_size_x = size_x/(double)vf_primlen(vector_font, s); - vector_font->point_size_y = size_y/(double)vector_font->top; + int width, height; + cdVectorFont* vector_font; + + assert(canvas); + assert(s); + if (!_cdCheckCanvas(canvas)) return; + + if (s[0] == 0) + return; + + vector_font = canvas->vector_font; + vf_gettextsize(vector_font, s, &width, &height); + + vector_font->size_x = s_width/(double)width; + vector_font->size_y = s_height/(double)height; } -void wdCanvasGetVectorTextSize(cdCanvas* canvas, const char *s, double *px, double *py) +void wdCanvasGetVectorTextSize(cdCanvas* canvas, const char *s, double *x, double *y) { - cdVectorFont* vector_font = canvas->vector_font; - if (px) *px = vf_primlen(vector_font, s)*vector_font->point_size_x; - if (py) *py = vector_font->top*vector_font->point_size_y; + int width, height; + cdVectorFont* vector_font; + + assert(canvas); + assert(s); + if (!_cdCheckCanvas(canvas)) return; + + if (s[0] == 0) + return; + + vector_font = canvas->vector_font; + + vf_gettextsize(vector_font, s, &width, &height); + + if (x) *x = width*vector_font->size_x; + if (y) *y = height*vector_font->size_y; } -void wdCanvasGetVectorTextBounds(cdCanvas* canvas, const char *s, double px, double py, double *rect) +void wdCanvasGetVectorTextBounds(cdCanvas* canvas, const char *s, double x, double y, double *rect) { - cdVectorFont* vector_font = canvas->vector_font; - int prim_len = vf_primlen(vector_font, s); - double sx = prim_len*vector_font->point_size_x; - double sy = vector_font->top*vector_font->point_size_y; + cdVectorFont* vector_font; + double sx, sy, line_height; + int width, height, num_lin; + + assert(canvas); + assert(s); + if (!_cdCheckCanvas(canvas)) return; + + if (s[0] == 0) + return; + + vector_font = canvas->vector_font; - vf_wcalc_pos(vector_font, &px, &py, prim_len); + vf_gettextsize(vector_font, s, &width, &height); + num_lin = height/(vector_font->top - vector_font->bottom); + + sx = width*vector_font->size_x; + sy = height*vector_font->size_y; + + line_height = (vector_font->top - vector_font->bottom) * vector_font->size_y; + + if (num_lin > 1) + { + /* position vertically at the first line */ + int align = canvas->text_alignment; + vf_wmove_to_first(vector_font, align, &x, &y, num_lin, line_height); + } - vf_wmove_dir(vector_font, &px, &py, 0, vector_font->bottom*vector_font->point_size_y); + /* move to bottom/left corner */ + vf_wmove_to_base(vector_font, &x, &y, width); + vf_wmove_dir(vector_font, &x, &y, 0, vector_font->bottom*vector_font->size_y); /* from base/left to bottom/left of the first line */ + if (num_lin > 1) + vf_wmove_dir(vector_font, &x, &y, 0, -(height*vector_font->size_y - line_height)); /* from bottom/left to the bottom of the last line */ - vf_wcalc_point(vector_font, px, py, &rect[0], &rect[1], 0, 0); - vf_wcalc_point(vector_font, px, py, &rect[2], &rect[3], sx, 0); - vf_wcalc_point(vector_font, px, py, &rect[4], &rect[5], sx, sy); - vf_wcalc_point(vector_font, px, py, &rect[6], &rect[7], 0, sy); + vf_wcalc_point(vector_font, x, y, &rect[0], &rect[1], 0, 0); + vf_wcalc_point(vector_font, x, y, &rect[2], &rect[3], sx, 0); + vf_wcalc_point(vector_font, x, y, &rect[4], &rect[5], sx, sy); + vf_wcalc_point(vector_font, x, y, &rect[6], &rect[7], 0, sy); } -void wdCanvasVectorText(cdCanvas* canvas, double px, double py, const char* s) +void wdCanvasGetVectorTextBox(cdCanvas* canvas, double x, double y, const char *s, double *xmin, double *xmax, double *ymin, double *ymax) { - cdVectorFont* vector_font = canvas->vector_font; - int prim_len = vf_primlen(vector_font, s); - vf_wcalc_pos(vector_font, &px, &py, prim_len); - vf_wbasic_write(vector_font, s, px, py); + double rect[8]; + double _xmin, _xmax, _ymin, _ymax; + + wdCanvasGetVectorTextBounds(canvas, s, x, y, rect); + + _xmin = rect[0]; + _ymin = rect[1]; + _xmax = rect[0]; + _ymax = rect[1]; + + if(rect[2] < _xmin) _xmin = rect[2]; + if(rect[4] < _xmin) _xmin = rect[4]; + if(rect[6] < _xmin) _xmin = rect[6]; + + if(rect[3] < _ymin) _ymin = rect[3]; + if(rect[5] < _ymin) _ymin = rect[5]; + if(rect[7] < _ymin) _ymin = rect[7]; + + if(rect[2] > _xmax) _xmax = rect[2]; + if(rect[4] > _xmax) _xmax = rect[4]; + if(rect[6] > _xmax) _xmax = rect[6]; + + if(rect[3] > _ymax) _ymax = rect[3]; + if(rect[5] > _ymax) _ymax = rect[5]; + if(rect[7] > _ymax) _ymax = rect[7]; + + if (xmin) *xmin = _xmin; + if (xmax) *xmax = _xmax; + if (ymin) *ymin = _ymin; + if (ymax) *ymax = _ymax; } -void wdCanvasMultiLineVectorText(cdCanvas* canvas, double px, double py, const char* s) +void wdCanvasVectorText(cdCanvas* canvas, double x, double y, const char* s) { - cdVectorFont* vector_font = canvas->vector_font; - double line_height = (vector_font->top - vector_font->bottom + vector_font->line_space)*vector_font->point_size_y; - char buff[MULTILINE_MAXLEN]; - char *str = buff; - int n; + cdVectorFont* vector_font; + int num_lin, align, width = 0; - int align = cdCanvasTextAlignment(vector_font->canvas, CD_QUERY); /* procura o alinhamento do CD */ + assert(canvas); + assert(s); + if (!_cdCheckCanvas(canvas)) return; - if (strlen(s) >= MULTILINE_MAXLEN) + if (s[0] == 0) return; - strcpy(str, s); - n = vf_lines(str); - if (align == CD_NORTH || align == CD_NORTH_EAST || align == CD_NORTH_WEST) - ; /* Already at position */ - else if (align == CD_SOUTH || align == CD_SOUTH_EAST || align == CD_SOUTH_WEST) - vf_wmove_dir(vector_font, &px, &py, 0, (n-1)*line_height); - else - vf_wmove_dir(vector_font, &px, &py, 0, ((double)(n-1)/2)*line_height); + vector_font = canvas->vector_font; + align = canvas->text_alignment; - while (n--) + num_lin = cdStrLineCount(s); + if (num_lin == 1) { - wdCanvasVectorText(canvas, px, py, str); - str += strlen(str)+1; - vf_wmove_dir(vector_font, &px, &py, 0, -line_height); + if (align != CD_WEST && align != CD_NORTH_WEST && align != CD_SOUTH_WEST && align != CD_BASE_LEFT) + width = vf_textwidth(vector_font, s); /* only necessary for some alignments */ + + vf_wdraw_text(vector_font, x, y, s, width); + } + else + { + char *p, *q, *new_s; + double line_height = (vector_font->top - vector_font->bottom) * vector_font->size_y; + int i; + + if (align != CD_WEST && align != CD_NORTH_WEST && align != CD_SOUTH_WEST && align != CD_BASE_LEFT) + width = vf_gettextmaxwidth(vector_font, s, num_lin); /* only necessary for some alignments */ + + /* position vertically at the first line */ + vf_wmove_to_first(vector_font, align, &x, &y, num_lin, line_height); + + new_s = cdStrDup(s); + p = new_s; + + for(i = 0; i < num_lin; i++) + { + q = strchr(p, '\n'); + if (q) *q = 0; /* Cut the string to contain only one line */ + + /* Draw the line */ + vf_wdraw_text(vector_font, x, y, p, width); + + /* Advance the string */ + if (q) p = q + 1; + + /* Advance a line */ + vf_wmove_dir(vector_font, &x, &y, 0, -line_height); + } + + free(new_s); } } + +void wdCanvasMultiLineVectorText(cdCanvas* canvas, double x, double y, const char* s) +{ + wdCanvasVectorText(canvas, x, y, s); +} + |