MadButterfly: src/shape_text.c annotate

annotate src/shape_text.c @ 365:6adb28388132

Add capability to add new scene and source into the project Add Save button to save the project.

author	wycc
date	Sat, 14 Mar 2009 16:42:37 +0800
parents	b391722bf20e
children	27774b93521e

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
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	49
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	50 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	51 mb_obj_init(text, MBO_TEXT);
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	52 text->data = strdup(txt);
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	53 if(text->data == NULL) {
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	54 free(text);
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	55 return NULL;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	56 }
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	57 text->x = x;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	58 text->y = y;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	59 text->font_size = font_size;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	60 cairo_font_face_reference(face);
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	61 text->face = face;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	62 text->flags \|= TXF_SCALE_DIRTY;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	63
73 9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	64 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	65 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	66 text->attrs = attrs;
291 137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	67 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	68
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	69 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	70
73 9ab15ebc9061 Observer for mouse events Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	71 return (shape_t *)text;
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	72 }
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	73
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	74 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	75 {
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 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	77 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	78 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	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
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 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	83 {
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 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	85 *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	86 *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	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
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 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	90 {
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 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	92 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	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
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	95 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	96 sh_text_t text = (sh_text_t )shape;
dd813dcc232c New example, calculator. Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	97 char *buf;
dd813dcc232c New example, calculator. Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	98
dd813dcc232c New example, calculator. Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	99 buf = strdup(txt);
dd813dcc232c New example, calculator. Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	100 if(text->data) free(text->data);
dd813dcc232c New example, calculator. Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	101 text->data = buf;
dd813dcc232c New example, calculator. Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	102 }
dd813dcc232c New example, calculator. Thinker K.F. Li <thinker@branda.to> parents: 73 diff changeset	103
292 7270e368ee98 Add more text API wycc parents: 291 diff changeset	104 void sh_text_set_color(shape_t *shape, unsigned int color)
7270e368ee98 Add more text API wycc parents: 291 diff changeset	105 {
294 2ca0773cd48d * Add MBAF files wycc parents: 292 diff changeset	106 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	107 sh_text_t text = (sh_text_t )shape;
294 2ca0773cd48d * Add MBAF files wycc parents: 292 diff changeset	108 attr->start_index = 0;
292 7270e368ee98 Add more text API wycc parents: 291 diff changeset	109 attr->end_index = -1;
7270e368ee98 Add more text API wycc parents: 291 diff changeset	110 pango_attr_list_change(text->attrs, attr);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	111 }
7270e368ee98 Add more text API wycc parents: 291 diff changeset	112 void sh_text_set_bold(shape_t *shape,int bold)
7270e368ee98 Add more text API wycc parents: 291 diff changeset	113 {
7270e368ee98 Add more text API wycc parents: 291 diff changeset	114 PangoAttribute *attr = pango_attr_weight_new(bold? PANGO_WEIGHT_BOLD:PANGO_WEIGHT_NORMAL);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	115 sh_text_t text = (sh_text_t )shape;
294 2ca0773cd48d * Add MBAF files wycc parents: 292 diff changeset	116 attr->start_index = 0;
292 7270e368ee98 Add more text API wycc parents: 291 diff changeset	117 attr->end_index = -1;
7270e368ee98 Add more text API wycc parents: 291 diff changeset	118 pango_attr_list_change(text->attrs, attr);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	119 }
7270e368ee98 Add more text API wycc parents: 291 diff changeset	120 void sh_text_set_italic(shape_t *shape,int italic)
7270e368ee98 Add more text API wycc parents: 291 diff changeset	121 {
7270e368ee98 Add more text API wycc parents: 291 diff changeset	122 PangoAttribute *attr = pango_attr_style_new(italic? PANGO_STYLE_ITALIC:PANGO_STYLE_NORMAL);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	123 sh_text_t text = (sh_text_t )shape;
294 2ca0773cd48d * Add MBAF files wycc parents: 292 diff changeset	124 attr->start_index = 0;
292 7270e368ee98 Add more text API wycc parents: 291 diff changeset	125 attr->end_index = -1;
7270e368ee98 Add more text API wycc parents: 291 diff changeset	126 pango_attr_list_change(text->attrs, attr);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	127 }
7270e368ee98 Add more text API wycc parents: 291 diff changeset	128 void sh_text_set_underline(shape_t *shape,int underline)
7270e368ee98 Add more text API wycc parents: 291 diff changeset	129 {
7270e368ee98 Add more text API wycc parents: 291 diff changeset	130 PangoAttribute *attr = pango_attr_underline_new(underline? PANGO_UNDERLINE_SINGLE:PANGO_UNDERLINE_NONE);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	131 sh_text_t text = (sh_text_t )shape;
294 2ca0773cd48d * Add MBAF files wycc parents: 292 diff changeset	132 attr->start_index = 0;
292 7270e368ee98 Add more text API wycc parents: 291 diff changeset	133 attr->end_index = -1;
7270e368ee98 Add more text API wycc parents: 291 diff changeset	134 pango_attr_list_change(text->attrs, attr);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	135 }
7270e368ee98 Add more text API wycc parents: 291 diff changeset	136 void sh_text_set_font(shape_t shape,char family)
7270e368ee98 Add more text API wycc parents: 291 diff changeset	137 {
7270e368ee98 Add more text API wycc parents: 291 diff changeset	138 PangoAttribute *attr = pango_attr_family_new(family);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	139 sh_text_t text = (sh_text_t )shape;
294 2ca0773cd48d * Add MBAF files wycc parents: 292 diff changeset	140 attr->start_index = 0;
292 7270e368ee98 Add more text API wycc parents: 291 diff changeset	141 attr->end_index = -1;
7270e368ee98 Add more text API wycc parents: 291 diff changeset	142 pango_attr_list_change(text->attrs, attr);
7270e368ee98 Add more text API wycc parents: 291 diff changeset	143 }
7270e368ee98 Add more text API wycc parents: 291 diff changeset	144
291 137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	145 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	146 {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	147 PangoAttribute *attr;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	148 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	149
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	150 if (end == -1) {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	151 end = strlen(text->data);
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	152 } else
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	153 end++;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	154 if (format->property & TEXTSTYLE_BOLD) {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	155 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	156 attr->start_index = begin;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	157 attr->end_index = end;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	158 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	159 }
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	160 if (format->property & TEXTSTYLE_ITALIC) {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	161 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	162 attr->start_index = begin;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	163 attr->end_index = end;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	164 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	165 }
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	166 if (format->property & TEXTSTYLE_UNDERLINE) {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	167 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	168 attr->start_index = begin;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	169 attr->end_index = end;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	170 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	171 }
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	172 if (format->property & TEXTSTYLE_COLOR) {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	173 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	174 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	175 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	176 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	177 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	178 attr->start_index = begin;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	179 attr->end_index = end;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	180 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	181 }
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	182 if (format->property & TEXTSTYLE_FONT) {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	183 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	184 attr->start_index = begin;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	185 attr->end_index = end;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	186 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	187 }
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	188 if (format->property & TEXTSTYLE_ALIGN) {
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	189 // 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	190 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	191 return;
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	192 text->align = format->align;
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 }
137a73822d48 Add sh_text_set_style support to change the style of text element. wycc parents: 289 diff changeset	195
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	196 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	197 cairo_matrix_t fmatrix;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	198 cairo_matrix_t ctm;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	199 cairo_scaled_font_t *new_scaled;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	200 cairo_font_options_t *fopt;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	201
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	202 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	203 pango_extents_to_pixels(extents,NULL);
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	204 return OK;
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
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	207 void sh_text_transform(shape_t *shape) {
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	208 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	209 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	210 canvas_t *canvas;
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	211 co_aix x, y;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	212 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	213 PangoRectangle extents;
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	214 co_aix poses[2][2];
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	215 int r;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	216
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	217 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	218
31 da770188a44d resize font size for changige of coord. Thinker K.F. Li <thinker@branda.to> parents: 30 diff changeset	219 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	220
b391722bf20e sh_image_t::img_data is managed by paint_image_t. Thinker K.F. Li <thinker@branda.to> parents: 330 diff changeset	221 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	222 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	223 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	224
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	225 x = text->x;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	226 y = text->y;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	227 coord_trans_pos(shape->coord, &x, &y);
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	228 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	229
280 c8b6ca46950b Add merged result wycc parents: 279 diff changeset	230 //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	231 ASSERT(r == OK);
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	232
285 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_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	234 text->d_y = y-PANGO_DESCENT(extents)+5;
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	235 shw = shape->stroke_width / 2;
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	236 /* 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	237 * 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	238 */
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	239
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	240 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	241 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	242 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	243 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	244 geo_from_positions(shape->geo, 2, poses);
104 98c83441d7d6 - Thinker K.F. Li <thinker@branda.to> parents: 88 diff changeset	245 /! \todo Support ratation for shape_text. /
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	246 }
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	247
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	248 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	249 {
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 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	251 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	252 PangoFontDescription *desc;
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	253
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	254 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	255 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	256 }
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 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	258 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	259 //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	260 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	261 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	262 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	263 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	264 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	265 }
27 19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	266 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	267 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	268 pango_cairo_layout_path(cr,text->layout);
27 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
19c603dd6ff9 Add text shape. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	271
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	272 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	273 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	274 }
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	275

Mercurial > MadButterfly

annotate src/shape_text.c @ 365:6adb28388132