MadButterfly: src/shape_text.c annotate

annotate src/shape_text.c @ 433:099941c3becf

Test cases for ratation on sh_stext

author	Thinker K.F. Li <thinker@branda.to>
date	Wed, 29 Jul 2009 16:35:03 +0800
parents	27774b93521e
children	16116d84bc5e

rev	line source
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1 #include <stdio.h>
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	2 #include <stdlib.h>
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	3 #include <string.h>
31 da770188a44d resize font size for changige of coord. Thinker K.F. Li <thinker@branda.to> parents: 30 diff changeset	4 #include <math.h>
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	5 #include <cairo.h>
278 a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	6 #include <pango/pangocairo.h>
186 530bb7728546 Move header files to $(top_srcdir)/include/ and prefixed with 'mb_'. Thinker K.F. Li <thinker@branda.to> parents: 185 diff changeset	7 #include "mb_types.h"
530bb7728546 Move header files to $(top_srcdir)/include/ and prefixed with 'mb_'. Thinker K.F. Li <thinker@branda.to> parents: 185 diff changeset	8 #include "mb_shapes.h"
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	9
104 98c83441d7d6 - Thinker K.F. Li <thinker@branda.to> parents: 88 diff changeset	10 #define ASSERT(x)
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	11 #define OK 0
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	12 #define ERR -1
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	13
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	14 typedef struct _sh_text {
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	15 shape_t shape;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	16 char *data;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	17 co_aix x, y;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	18 co_aix d_x, d_y; /* device x and y */
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	19 co_aix font_size;
31 da770188a44d resize font size for changige of coord. Thinker K.F. Li <thinker@branda.to> parents: 30 diff changeset	20 co_aix d_font_size;
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	21 cairo_font_face_t *face;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	22 cairo_scaled_font_t *scaled_font;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	23 int flags;
278 a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	24 PangoLayout *layout;
291 137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	25 int align;
278 a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	26 PangoAttrList *attrs;
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	27 } sh_text_t;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	28
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	29 #define TXF_SCALE_DIRTY 0x1
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	30
73 9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	31 static void sh_text_free(shape_t *shape) {
9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	32 sh_text_t text = (sh_text_t )shape;
9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	33
9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	34 if(text->scaled_font)
9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	35 cairo_scaled_font_destroy(text->scaled_font);
9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	36 cairo_font_face_destroy(text->face);
9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	37 }
9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	38
279 86a5ae82ccf2 * Modify svg2code_ex to use differnt font size at two test items to illustrate the function of the new text parser wycc parents: 278 diff changeset	39 static void sh_text_P_generate_layout(sh_text_t text,cairo_t cr);
159 b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 104 diff changeset	40 shape_t rdman_shape_text_new(redraw_man_t rdman,
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 104 diff changeset	41 const char *txt, co_aix x, co_aix y,
278 a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	42 co_aix font_size, cairo_font_face_t face,PangoAttrList attrs) {
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	43 sh_text_t *text;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	44
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	45 text = (sh_text_t *)malloc(sizeof(sh_text_t));
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	46 if(text == NULL)
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	47 return NULL;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	48
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	49 memset(text, 0, sizeof(sh_text_t));
224 29e1b2bffe4c X backend only sent EVT_MOUSE_MOVE_RAW to MadButterfly. Thinker K.F. Li <thinker@branda.to> parents: 196 diff changeset	50 mb_obj_init(text, MBO_TEXT);
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	51 text->data = strdup(txt);
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	52 if(text->data == NULL) {
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	53 free(text);
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	54 return NULL;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	55 }
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	56 text->x = x;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	57 text->y = y;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	58 text->font_size = font_size;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	59 cairo_font_face_reference(face);
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	60 text->face = face;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	61 text->flags \|= TXF_SCALE_DIRTY;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	62
73 9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	63 text->shape.free = sh_text_free;
278 a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	64 text->layout = NULL;
a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	65 text->attrs = attrs;
291 137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	66 text->align = TEXTALIGN_START;
346 b391722bf20e sh_image_t::img_data is managed by paint_image_t. Thinker K.F. Li <thinker@branda.to> parents: 330 diff changeset	67
159 b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 104 diff changeset	68 rdman_shape_man(rdman, (shape_t *)text);
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 104 diff changeset	69
73 9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	70 return (shape_t *)text;
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	71 }
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	72
303 f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	73 void sh_text_set_pos(shape_t *shape, co_aix x, co_aix y)
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	74 {
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	75 sh_text_t text = (sh_text_t )shape;
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	76 text->x = x;
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	77 text->y = y;
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	78 }
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	79
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	80
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	81 void sh_text_get_pos(shape_t shape, co_aix x, co_aix *y)
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	82 {
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	83 sh_text_t text = (sh_text_t )shape;
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	84 *x = text->x;
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	85 *y = text->y;
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	86 }
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	87
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	88 void sh_text_get_text(shape_t shape, char text,int size)
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	89 {
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	90 sh_text_t t = (sh_text_t )shape;
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	91 strncpy(text,t->data, size);
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	92 }
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	93
f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	94 void sh_text_set_text(shape_t shape, const char txt) {
88 dd813dcc232c New example, calculator. Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	95 sh_text_t text = (sh_text_t )shape;
dd813dcc232c New example, calculator. Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	96 char *buf;
dd813dcc232c New example, calculator. Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	97
dd813dcc232c New example, calculator. Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	98 buf = strdup(txt);
dd813dcc232c New example, calculator. Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	99 if(text->data) free(text->data);
dd813dcc232c New example, calculator. Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	100 text->data = buf;
dd813dcc232c New example, calculator. Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	101 }
dd813dcc232c New example, calculator. Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	102
292 7270e368ee98 Add more text API wycc parents: 291 diff changeset	103 void sh_text_set_color(shape_t *shape, unsigned int color)
7270e368ee98 Add more text API wycc parents: 291 diff changeset	104 {
294 2ca0773cd48d * Add MBAF files wycc parents: 292 diff changeset	105 PangoAttribute *attr = pango_attr_foreground_new(TEXTCOLOR_RED(color)<<8,TEXTCOLOR_GREEN(color)<<8,TEXTCOLOR_BLUE(color)<<8);
292 7270e368ee98 Add more text API wycc parents: 291 diff changeset	106 sh_text_t text = (sh_text_t )shape;
294 2ca0773cd48d * Add MBAF files wycc parents: 292 diff changeset	107 attr->start_index = 0;
292 7270e368ee98 Add more text API wycc parents: 291 diff changeset	108 attr->end_index = -1;
7270e368ee98 Add more text API wycc parents: 291 diff changeset	109 pango_attr_list_change(text->attrs, attr);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	110 }
7270e368ee98 Add more text API wycc parents: 291 diff changeset	111 void sh_text_set_bold(shape_t *shape,int bold)
7270e368ee98 Add more text API wycc parents: 291 diff changeset	112 {
7270e368ee98 Add more text API wycc parents: 291 diff changeset	113 PangoAttribute *attr = pango_attr_weight_new(bold? PANGO_WEIGHT_BOLD:PANGO_WEIGHT_NORMAL);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	114 sh_text_t text = (sh_text_t )shape;
294 2ca0773cd48d * Add MBAF files wycc parents: 292 diff changeset	115 attr->start_index = 0;
292 7270e368ee98 Add more text API wycc parents: 291 diff changeset	116 attr->end_index = -1;
7270e368ee98 Add more text API wycc parents: 291 diff changeset	117 pango_attr_list_change(text->attrs, attr);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	118 }
7270e368ee98 Add more text API wycc parents: 291 diff changeset	119 void sh_text_set_italic(shape_t *shape,int italic)
7270e368ee98 Add more text API wycc parents: 291 diff changeset	120 {
7270e368ee98 Add more text API wycc parents: 291 diff changeset	121 PangoAttribute *attr = pango_attr_style_new(italic? PANGO_STYLE_ITALIC:PANGO_STYLE_NORMAL);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	122 sh_text_t text = (sh_text_t )shape;
294 2ca0773cd48d * Add MBAF files wycc parents: 292 diff changeset	123 attr->start_index = 0;
292 7270e368ee98 Add more text API wycc parents: 291 diff changeset	124 attr->end_index = -1;
7270e368ee98 Add more text API wycc parents: 291 diff changeset	125 pango_attr_list_change(text->attrs, attr);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	126 }
7270e368ee98 Add more text API wycc parents: 291 diff changeset	127 void sh_text_set_underline(shape_t *shape,int underline)
7270e368ee98 Add more text API wycc parents: 291 diff changeset	128 {
7270e368ee98 Add more text API wycc parents: 291 diff changeset	129 PangoAttribute *attr = pango_attr_underline_new(underline? PANGO_UNDERLINE_SINGLE:PANGO_UNDERLINE_NONE);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	130 sh_text_t text = (sh_text_t )shape;
294 2ca0773cd48d * Add MBAF files wycc parents: 292 diff changeset	131 attr->start_index = 0;
292 7270e368ee98 Add more text API wycc parents: 291 diff changeset	132 attr->end_index = -1;
7270e368ee98 Add more text API wycc parents: 291 diff changeset	133 pango_attr_list_change(text->attrs, attr);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	134 }
7270e368ee98 Add more text API wycc parents: 291 diff changeset	135 void sh_text_set_font(shape_t shape,char family)
7270e368ee98 Add more text API wycc parents: 291 diff changeset	136 {
7270e368ee98 Add more text API wycc parents: 291 diff changeset	137 PangoAttribute *attr = pango_attr_family_new(family);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	138 sh_text_t text = (sh_text_t )shape;
294 2ca0773cd48d * Add MBAF files wycc parents: 292 diff changeset	139 attr->start_index = 0;
292 7270e368ee98 Add more text API wycc parents: 291 diff changeset	140 attr->end_index = -1;
7270e368ee98 Add more text API wycc parents: 291 diff changeset	141 pango_attr_list_change(text->attrs, attr);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	142 }
7270e368ee98 Add more text API wycc parents: 291 diff changeset	143
291 137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	144 void sh_text_set_style(shape_t shape,int begin,int end,mb_textstyle_t format)
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	145 {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	146 PangoAttribute *attr;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	147 sh_text_t text = (sh_text_t )shape;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	148
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	149 if (end == -1) {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	150 end = strlen(text->data);
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	151 } else
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	152 end++;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	153 if (format->property & TEXTSTYLE_BOLD) {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	154 attr = pango_attr_weight_new(PANGO_WEIGHT_BOLD);
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	155 attr->start_index = begin;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	156 attr->end_index = end;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	157 pango_attr_list_change(text->attrs,attr);
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	158 }
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	159 if (format->property & TEXTSTYLE_ITALIC) {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	160 attr = pango_attr_style_new(PANGO_STYLE_ITALIC);
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	161 attr->start_index = begin;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	162 attr->end_index = end;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	163 pango_attr_list_change(text->attrs,attr);
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	164 }
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	165 if (format->property & TEXTSTYLE_UNDERLINE) {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	166 attr = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	167 attr->start_index = begin;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	168 attr->end_index = end;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	169 pango_attr_list_change(text->attrs,attr);
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	170 }
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	171 if (format->property & TEXTSTYLE_COLOR) {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	172 printf("color=%x\n", format->color);
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	173 printf("red = %x\n",TEXTCOLOR_RED(format->color));
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	174 printf("green = %x\n",TEXTCOLOR_GREEN(format->color));
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	175 printf("blue = %x\n",TEXTCOLOR_BLUE(format->color));
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	176 attr = pango_attr_foreground_new(TEXTCOLOR_RED(format->color)<<8,TEXTCOLOR_GREEN(format->color)<<8,TEXTCOLOR_BLUE(format->color)<<8);
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	177 attr->start_index = begin;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	178 attr->end_index = end;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	179 pango_attr_list_change(text->attrs,attr);
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	180 }
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	181 if (format->property & TEXTSTYLE_FONT) {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	182 attr = pango_attr_family_new(format->font);
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	183 attr->start_index = begin;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	184 attr->end_index = end;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	185 pango_attr_list_change(text->attrs,attr);
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	186 }
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	187 if (format->property & TEXTSTYLE_ALIGN) {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	188 // We can have one align style for the whole text only
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	189 if (begin != 0 \|\| (end != strlen(text->data)-1))
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	190 return;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	191 text->align = format->align;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	192 }
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	193 }
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	194
279 86a5ae82ccf2 * Modify svg2code_ex to use differnt font size at two test items to illustrate the function of the new text parser wycc parents: 278 diff changeset	195 static int get_extents(sh_text_t text, PangoRectangle extents) {
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	196 cairo_matrix_t fmatrix;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	197 cairo_matrix_t ctm;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	198 cairo_scaled_font_t *new_scaled;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	199 cairo_font_options_t *fopt;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	200
279 86a5ae82ccf2 * Modify svg2code_ex to use differnt font size at two test items to illustrate the function of the new text parser wycc parents: 278 diff changeset	201 pango_layout_get_extents(text->layout, NULL, extents);
86a5ae82ccf2 * Modify svg2code_ex to use differnt font size at two test items to illustrate the function of the new text parser wycc parents: 278 diff changeset	202 pango_extents_to_pixels(extents,NULL);
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	203 return OK;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	204 }
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	205
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	206 void sh_text_transform(shape_t *shape) {
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	207 sh_text_t *text;
346 b391722bf20e sh_image_t::img_data is managed by paint_image_t. Thinker K.F. Li <thinker@branda.to> parents: 330 diff changeset	208 coord_t *coord;
b391722bf20e sh_image_t::img_data is managed by paint_image_t. Thinker K.F. Li <thinker@branda.to> parents: 330 diff changeset	209 canvas_t *canvas;
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	210 co_aix x, y;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	211 co_aix shw;
279 86a5ae82ccf2 * Modify svg2code_ex to use differnt font size at two test items to illustrate the function of the new text parser wycc parents: 278 diff changeset	212 PangoRectangle extents;
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	213 co_aix poses[2][2];
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	214 int r;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	215
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	216 text = (sh_text_t *)shape;
346 b391722bf20e sh_image_t::img_data is managed by paint_image_t. Thinker K.F. Li <thinker@branda.to> parents: 330 diff changeset	217
31 da770188a44d resize font size for changige of coord. Thinker K.F. Li <thinker@branda.to> parents: 30 diff changeset	218 text->d_font_size = coord_trans_size(shape->coord, text->font_size);
346 b391722bf20e sh_image_t::img_data is managed by paint_image_t. Thinker K.F. Li <thinker@branda.to> parents: 330 diff changeset	219
b391722bf20e sh_image_t::img_data is managed by paint_image_t. Thinker K.F. Li <thinker@branda.to> parents: 330 diff changeset	220 coord = sh_get_coord(shape);
b391722bf20e sh_image_t::img_data is managed by paint_image_t. Thinker K.F. Li <thinker@branda.to> parents: 330 diff changeset	221 canvas = _coord_get_canvas(coord);
b391722bf20e sh_image_t::img_data is managed by paint_image_t. Thinker K.F. Li <thinker@branda.to> parents: 330 diff changeset	222 sh_text_P_generate_layout(text, (cairo_t *)canvas);
31 da770188a44d resize font size for changige of coord. Thinker K.F. Li <thinker@branda.to> parents: 30 diff changeset	223
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	224 x = text->x;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	225 y = text->y;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	226 coord_trans_pos(shape->coord, &x, &y);
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	227 r = get_extents(text, &extents);
279 86a5ae82ccf2 * Modify svg2code_ex to use differnt font size at two test items to illustrate the function of the new text parser wycc parents: 278 diff changeset	228
280 c8b6ca46950b Add merged result wycc parents: 279 diff changeset	229 //printf("x=%f y=%f text=%s ascent=%d,descent=%d,width=%d height=%d\n", x,y,text->data,PANGO_ASCENT(extents), PANGO_DESCENT(extents), extents.width, extents.height);
104 98c83441d7d6 - Thinker K.F. Li <thinker@branda.to> parents: 88 diff changeset	230 ASSERT(r == OK);
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	231
285 248a40d51473 Check in test program for sh_text_set_text for debugging. It is not working yet. wycc parents: 280 diff changeset	232 text->d_x = x-5;
248a40d51473 Check in test program for sh_text_set_text for debugging. It is not working yet. wycc parents: 280 diff changeset	233 text->d_y = y-PANGO_DESCENT(extents)+5;
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	234 shw = shape->stroke_width / 2;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	235 /* FIXME: It is unreasonable that a font exceed it's bbox.
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	236 * We add 5 pixels in get right bbox. But, it is unreasonable.
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	237 */
279 86a5ae82ccf2 * Modify svg2code_ex to use differnt font size at two test items to illustrate the function of the new text parser wycc parents: 278 diff changeset	238
289 13ce87b6dbf5 Fix bug of sh_text_t that do not update it-self after changes. Thinker K.F. Li <thinker@branda.to> parents: 285 diff changeset	239 poses[0][0] = text->d_x + extents.x - shw;
13ce87b6dbf5 Fix bug of sh_text_t that do not update it-self after changes. Thinker K.F. Li <thinker@branda.to> parents: 285 diff changeset	240 poses[0][1] = text->d_y + extents.y - shw;
285 248a40d51473 Check in test program for sh_text_set_text for debugging. It is not working yet. wycc parents: 280 diff changeset	241 poses[1][0] = poses[0][0] + extents.width + shape->stroke_width;
248a40d51473 Check in test program for sh_text_set_text for debugging. It is not working yet. wycc parents: 280 diff changeset	242 poses[1][1] = poses[0][1] + extents.height + shape->stroke_width;
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	243 geo_from_positions(shape->geo, 2, poses);
104 98c83441d7d6 - Thinker K.F. Li <thinker@branda.to> parents: 88 diff changeset	244 /! \todo Support ratation for shape_text. /
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	245 }
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	246
278 a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	247 static void sh_text_P_generate_layout(sh_text_t text,cairo_t cr)
a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	248 {
a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	249 PangoAttribute *attr;
a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	250 PangoAttrList *attrlist;
a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	251 PangoFontDescription *desc;
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	252
278 a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	253 if (text->layout) {
a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	254 g_object_unref(text->layout);
a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	255 }
a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	256 text->layout = pango_cairo_create_layout(cr);
a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	257 desc = pango_font_description_from_string("Sans Bold");
303 f894b30676e9 Add MBAF object suport. This is still work in progress yet. However, it won't affect other features. Therefore, it is checked in before it become mature. wycc parents: 294 diff changeset	258 //cairo_set_source_rgb (cr, 0, 0, 0);
278 a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	259 pango_layout_set_font_description (text->layout, desc);
279 86a5ae82ccf2 * Modify svg2code_ex to use differnt font size at two test items to illustrate the function of the new text parser wycc parents: 278 diff changeset	260 pango_layout_set_text(text->layout,text->data,strlen(text->data));
278 a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	261 pango_layout_set_attributes(text->layout, text->attrs);
285 248a40d51473 Check in test program for sh_text_set_text for debugging. It is not working yet. wycc parents: 280 diff changeset	262 pango_cairo_update_layout(cr,text->layout);
291 137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	263 printf("text=%s\n",text->data);
278 a90fd749af82 Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size. wycc parents: 224 diff changeset	264 }
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	265 static void draw_text(sh_text_t text, cairo_t cr) {
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	266 cairo_move_to(cr, text->d_x, text->d_y);
330 b0571f10c1b8 Use pango_cairo_layout_path() instead of pango_cairo_show_layout(). Thinker K.F. Li <thinker@branda.to> parents: 303 diff changeset	267 pango_cairo_layout_path(cr,text->layout);
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	268 }
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	269
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	270
30 e06a4a667ce2 Accept mouse/pointer event and hint the shape that the pointer is over. Thinker K.F. Li <thinker@branda.to> parents: 27 diff changeset	271 void sh_text_draw(shape_t shape, cairo_t cr) {
e06a4a667ce2 Accept mouse/pointer event and hint the shape that the pointer is over. Thinker K.F. Li <thinker@branda.to> parents: 27 diff changeset	272 draw_text((sh_text_t *)shape, cr);
e06a4a667ce2 Accept mouse/pointer event and hint the shape that the pointer is over. Thinker K.F. Li <thinker@branda.to> parents: 27 diff changeset	273 }
e06a4a667ce2 Accept mouse/pointer event and hint the shape that the pointer is over. Thinker K.F. Li <thinker@branda.to> parents: 27 diff changeset	274

Mercurial > MadButterfly

annotate src/shape_text.c @ 433:099941c3becf