/* drawn same as above, but at 90 degree angle */
void UI_fontstyle_draw_rotated(const uiFontStyle *fs, const rcti *rect, const char *str)
{
float height;
int xofs, yofs;
float angle;
rcti txtrect;
UI_fontstyle_set(fs);
height = BLF_ascender(fs->uifont_id);
/* becomes x-offset when rotated */
xofs = ceil(0.5f * (BLI_rcti_size_y(rect) - height));
/* ignore UI_STYLE, always aligned to top */
/* rotate counter-clockwise for now (assumes left-to-right language)*/
xofs += height;
yofs = BLF_width(fs->uifont_id, str, BLF_DRAW_STR_DUMMY_MAX) + 5;
angle = M_PI_2;
/* translate rect to vertical */
txtrect.xmin = rect->xmin - BLI_rcti_size_y(rect);
txtrect.ymin = rect->ymin - BLI_rcti_size_x(rect);
txtrect.xmax = rect->xmin;
txtrect.ymax = rect->ymin;
/* clip is very strict, so we give it some space */
/* clipping is done without rotation, so make rect big enough to contain both positions */
BLF_clipping(fs->uifont_id, txtrect.xmin - 1, txtrect.ymin - yofs - xofs - 4, rect->xmax + 1, rect->ymax + 4);
BLF_enable(fs->uifont_id, BLF_CLIPPING);
BLF_position(fs->uifont_id, txtrect.xmin + xofs, txtrect.ymax - yofs, 0.0f);
BLF_enable(fs->uifont_id, BLF_ROTATION);
BLF_rotation(fs->uifont_id, angle);
if (fs->shadow) {
BLF_enable(fs->uifont_id, BLF_SHADOW);
const float shadow_color[4] = {fs->shadowcolor, fs->shadowcolor, fs->shadowcolor, fs->shadowalpha};
BLF_shadow(fs->uifont_id, fs->shadow, shadow_color);
BLF_shadow_offset(fs->uifont_id, fs->shadx, fs->shady);
}
if (fs->kerning == 1)
BLF_enable(fs->uifont_id, BLF_KERNING_DEFAULT);
BLF_draw(fs->uifont_id, str, BLF_DRAW_STR_DUMMY_MAX);
BLF_disable(fs->uifont_id, BLF_ROTATION);
BLF_disable(fs->uifont_id, BLF_CLIPPING);
if (fs->shadow)
BLF_disable(fs->uifont_id, BLF_SHADOW);
if (fs->kerning == 1)
BLF_disable(fs->uifont_id, BLF_KERNING_DEFAULT);
}
/* drawn same as above, but at 90 degree angle */
void uiStyleFontDrawRotated(uiFontStyle *fs, rcti *rect, const char *str)
{
float height;
int xofs, yofs;
float angle;
rcti txtrect;
uiStyleFontSet(fs);
height= BLF_ascender(fs->uifont_id);
/* becomes x-offset when rotated */
xofs= ceil( 0.5f*(rect->ymax - rect->ymin - height));
/* ignore UI_STYLE, always aligned to top */
/* rotate counter-clockwise for now (assumes left-to-right language)*/
xofs+= height;
yofs= BLF_width(fs->uifont_id, str) + 5;
angle= 90.0f;
/* translate rect to vertical */
txtrect.xmin= rect->xmin - (rect->ymax - rect->ymin);
txtrect.ymin= rect->ymin - (rect->xmax - rect->xmin);
txtrect.xmax= rect->xmin;
txtrect.ymax= rect->ymin;
/* clip is very strict, so we give it some space */
/* clipping is done without rotation, so make rect big enough to contain both positions */
BLF_clipping(fs->uifont_id, txtrect.xmin-1, txtrect.ymin-yofs-xofs-4, rect->xmax+1, rect->ymax+4);
BLF_enable(fs->uifont_id, BLF_CLIPPING);
BLF_position(fs->uifont_id, txtrect.xmin+xofs, txtrect.ymax-yofs, 0.0f);
BLF_enable(fs->uifont_id, BLF_ROTATION);
BLF_rotation(fs->uifont_id, angle);
if (fs->shadow) {
BLF_enable(fs->uifont_id, BLF_SHADOW);
BLF_shadow(fs->uifont_id, fs->shadow, fs->shadowcolor, fs->shadowcolor, fs->shadowcolor, fs->shadowalpha);
BLF_shadow_offset(fs->uifont_id, fs->shadx, fs->shady);
}
if (fs->kerning == 1)
BLF_enable(fs->uifont_id, BLF_KERNING_DEFAULT);
BLF_draw(fs->uifont_id, str, 65535); /* XXX, use real length */
BLF_disable(fs->uifont_id, BLF_ROTATION);
BLF_disable(fs->uifont_id, BLF_CLIPPING);
if (fs->shadow)
BLF_disable(fs->uifont_id, BLF_SHADOW);
if (fs->kerning == 1)
BLF_disable(fs->uifont_id, BLF_KERNING_DEFAULT);
}
void GPC_RenderTools::RenderText3D( int fontid,
const char* text,
int size,
int dpi,
float* color,
double* mat,
float aspect)
{
/* the actual drawing */
glColor3fv(color);
/* multiply the text matrix by the object matrix */
BLF_enable(fontid, BLF_MATRIX|BLF_ASPECT);
BLF_matrix(fontid, mat);
/* aspect is the inverse scale that allows you to increase */
/* your resolution without sizing the final text size */
/* the bigger the size, the smaller the aspect */
BLF_aspect(fontid, aspect, aspect, aspect);
BLF_size(fontid, size, dpi);
BLF_position(fontid, 0, 0, 0);
BLF_draw(fontid, (char *)text, strlen(text));
BLF_disable(fontid, BLF_MATRIX|BLF_ASPECT);
glEnable(GL_DEPTH_TEST);
}
void RAS_OpenGLRasterizer::RenderText3D(
int fontid, const char *text, int size, int dpi,
const float color[4], const double mat[16], float aspect)
{
/* gl prepping */
DisableForText();
/* the actual drawing */
glColor4fv(color);
/* multiply the text matrix by the object matrix */
BLF_enable(fontid, BLF_MATRIX|BLF_ASPECT);
BLF_matrix(fontid, mat);
/* aspect is the inverse scale that allows you to increase */
/* your resolution without sizing the final text size */
/* the bigger the size, the smaller the aspect */
BLF_aspect(fontid, aspect, aspect, aspect);
BLF_size(fontid, size, dpi);
BLF_position(fontid, 0, 0, 0);
BLF_draw(fontid, text, 65535);
BLF_disable(fontid, BLF_MATRIX|BLF_ASPECT);
}
void UI_fontstyle_draw_ex(
const uiFontStyle *fs, const rcti *rect, const char *str,
size_t len, float *r_xofs, float *r_yofs)
{
float height;
int xofs = 0, yofs;
UI_fontstyle_set(fs);
height = BLF_ascender(fs->uifont_id);
yofs = ceil(0.5f * (BLI_rcti_size_y(rect) - height));
if (fs->align == UI_STYLE_TEXT_CENTER) {
xofs = floor(0.5f * (BLI_rcti_size_x(rect) - BLF_width(fs->uifont_id, str, len)));
/* don't center text if it chops off the start of the text, 2 gives some margin */
if (xofs < 2) {
xofs = 2;
}
}
else if (fs->align == UI_STYLE_TEXT_RIGHT) {
xofs = BLI_rcti_size_x(rect) - BLF_width(fs->uifont_id, str, len) - 0.1f * U.widget_unit;
}
/* clip is very strict, so we give it some space */
BLF_clipping(fs->uifont_id, rect->xmin - 2, rect->ymin - 4, rect->xmax + 1, rect->ymax + 4);
BLF_enable(fs->uifont_id, BLF_CLIPPING);
BLF_position(fs->uifont_id, rect->xmin + xofs, rect->ymin + yofs, 0.0f);
if (fs->shadow) {
BLF_enable(fs->uifont_id, BLF_SHADOW);
BLF_shadow(fs->uifont_id, fs->shadow, fs->shadowcolor, fs->shadowcolor, fs->shadowcolor, fs->shadowalpha);
BLF_shadow_offset(fs->uifont_id, fs->shadx, fs->shady);
}
if (fs->kerning == 1)
BLF_enable(fs->uifont_id, BLF_KERNING_DEFAULT);
BLF_draw(fs->uifont_id, str, len);
BLF_disable(fs->uifont_id, BLF_CLIPPING);
if (fs->shadow)
BLF_disable(fs->uifont_id, BLF_SHADOW);
if (fs->kerning == 1)
BLF_disable(fs->uifont_id, BLF_KERNING_DEFAULT);
*r_xofs = xofs;
*r_yofs = yofs;
}
void uiStyleFontDrawExt(uiFontStyle *fs, rcti *rect, const char *str,
float *r_xofs, float *r_yofs)
{
float height;
int xofs=0, yofs;
uiStyleFontSet(fs);
height= BLF_ascender(fs->uifont_id);
yofs= ceil( 0.5f*(rect->ymax - rect->ymin - height));
if(fs->align==UI_STYLE_TEXT_CENTER) {
xofs= floor( 0.5f*(rect->xmax - rect->xmin - BLF_width(fs->uifont_id, str)));
/* don't center text if it chops off the start of the text, 2 gives some margin */
if(xofs < 2) {
xofs= 2;
}
}
else if(fs->align==UI_STYLE_TEXT_RIGHT) {
xofs= rect->xmax - rect->xmin - BLF_width(fs->uifont_id, str) - 1;
}
/* clip is very strict, so we give it some space */
BLF_clipping(fs->uifont_id, rect->xmin-1, rect->ymin-4, rect->xmax+1, rect->ymax+4);
BLF_enable(fs->uifont_id, BLF_CLIPPING);
BLF_position(fs->uifont_id, rect->xmin+xofs, rect->ymin+yofs, 0.0f);
if (fs->shadow) {
BLF_enable(fs->uifont_id, BLF_SHADOW);
BLF_shadow(fs->uifont_id, fs->shadow, fs->shadowcolor, fs->shadowcolor, fs->shadowcolor, fs->shadowalpha);
BLF_shadow_offset(fs->uifont_id, fs->shadx, fs->shady);
}
if (fs->kerning == 1)
BLF_enable(fs->uifont_id, BLF_KERNING_DEFAULT);
BLF_draw(fs->uifont_id, str, 65535); /* XXX, use real length */
BLF_disable(fs->uifont_id, BLF_CLIPPING);
if (fs->shadow)
BLF_disable(fs->uifont_id, BLF_SHADOW);
if (fs->kerning == 1)
BLF_disable(fs->uifont_id, BLF_KERNING_DEFAULT);
*r_xofs= xofs;
*r_yofs= yofs;
}
void UI_fontstyle_draw_ex(
const uiFontStyle *fs, const rcti *rect, const char *str,
size_t len, float *r_xofs, float *r_yofs)
{
int xofs = 0, yofs;
int font_flag = BLF_CLIPPING;
UI_fontstyle_set(fs);
/* set the flag */
if (fs->shadow) {
font_flag |= BLF_SHADOW;
const float shadow_color[4] = {fs->shadowcolor, fs->shadowcolor, fs->shadowcolor, fs->shadowalpha};
BLF_shadow(fs->uifont_id, fs->shadow, shadow_color);
BLF_shadow_offset(fs->uifont_id, fs->shadx, fs->shady);
}
if (fs->kerning == 1) {
font_flag |= BLF_KERNING_DEFAULT;
}
if (fs->word_wrap == 1) {
font_flag |= BLF_WORD_WRAP;
}
BLF_enable(fs->uifont_id, font_flag);
if (fs->word_wrap == 1) {
/* draw from boundbox top */
yofs = BLI_rcti_size_y(rect) - BLF_height_max(fs->uifont_id);
}
else {
/* draw from boundbox center */
yofs = ceil(0.5f * (BLI_rcti_size_y(rect) - BLF_ascender(fs->uifont_id)));
}
if (fs->align == UI_STYLE_TEXT_CENTER) {
xofs = floor(0.5f * (BLI_rcti_size_x(rect) - BLF_width(fs->uifont_id, str, len)));
/* don't center text if it chops off the start of the text, 2 gives some margin */
if (xofs < 2) {
xofs = 2;
}
}
else if (fs->align == UI_STYLE_TEXT_RIGHT) {
xofs = BLI_rcti_size_x(rect) - BLF_width(fs->uifont_id, str, len) - 0.1f * U.widget_unit;
}
/* clip is very strict, so we give it some space */
BLF_clipping(fs->uifont_id, rect->xmin - 2, rect->ymin - 4, rect->xmax + 1, rect->ymax + 4);
BLF_position(fs->uifont_id, rect->xmin + xofs, rect->ymin + yofs, 0.0f);
BLF_draw(fs->uifont_id, str, len);
BLF_disable(fs->uifont_id, font_flag);
*r_xofs = xofs;
*r_yofs = yofs;
}
static PyObject *py_blf_disable(PyObject *UNUSED(self), PyObject *args)
{
int option, fontid;
if (!PyArg_ParseTuple(args, "ii:blf.disable", &fontid, &option))
return NULL;
BLF_disable(fontid, option);
Py_RETURN_NONE;
}
/**
* Similar to #UI_fontstyle_draw
* but ignore alignment, shadow & no clipping rect.
*
* For drawing on-screen labels.
*/
void UI_fontstyle_draw_simple(const uiFontStyle *fs, float x, float y, const char *str)
{
if (fs->kerning == 1)
BLF_enable(fs->uifont_id, BLF_KERNING_DEFAULT);
UI_fontstyle_set(fs);
BLF_position(fs->uifont_id, x, y, 0.0f);
BLF_draw(fs->uifont_id, str, BLF_DRAW_STR_DUMMY_MAX);
if (fs->kerning == 1)
BLF_disable(fs->uifont_id, BLF_KERNING_DEFAULT);
}
/* temporarily, does widget font */
void UI_DrawString(float x, float y, const char *str)
{
uiStyle *style= U.uistyles.first;
if (style->widget.kerning == 1)
BLF_enable(style->widget.uifont_id, BLF_KERNING_DEFAULT);
uiStyleFontSet(&style->widget);
BLF_position(style->widget.uifont_id, x, y, 0.0f);
BLF_draw(style->widget.uifont_id, str, 65535); /* XXX, use real length */
if (style->widget.kerning == 1)
BLF_disable(style->widget.uifont_id, BLF_KERNING_DEFAULT);
}
void GPC_RenderTools::RenderText3D( int fontid,
const char* text,
int size,
int dpi,
float* color,
double* mat,
float aspect)
{
if(GLEW_ARB_multitexture) {
for(int i=0; i<MAXTEX; i++) {
glActiveTextureARB(GL_TEXTURE0_ARB+i);
if(GLEW_ARB_texture_cube_map)
if(glIsEnabled(GL_TEXTURE_CUBE_MAP_ARB))
glDisable(GL_TEXTURE_CUBE_MAP_ARB);
if(glIsEnabled(GL_TEXTURE_2D))
glDisable(GL_TEXTURE_2D);
}
glActiveTextureARB(GL_TEXTURE0_ARB);
}
else {
if(GLEW_ARB_texture_cube_map)
if(glIsEnabled(GL_TEXTURE_CUBE_MAP_ARB))
glDisable(GL_TEXTURE_CUBE_MAP_ARB);
if(glIsEnabled(GL_TEXTURE_2D))
glDisable(GL_TEXTURE_2D);
}
/* the actual drawing */
glColor4fv(color);
/* multiply the text matrix by the object matrix */
BLF_enable(fontid, BLF_MATRIX|BLF_ASPECT);
BLF_matrix(fontid, mat);
/* aspect is the inverse scale that allows you to increase */
/* your resolution without sizing the final text size */
/* the bigger the size, the smaller the aspect */
BLF_aspect(fontid, aspect, aspect, aspect);
BLF_size(fontid, size, dpi);
BLF_position(fontid, 0, 0, 0);
BLF_draw(fontid, text, 65535);
BLF_disable(fontid, BLF_MATRIX|BLF_ASPECT);
glEnable(GL_DEPTH_TEST);
}
int UI_fontstyle_string_width(const uiFontStyle *fs, const char *str)
{
int width;
if (fs->kerning == 1) /* for BLF_width */
BLF_enable(fs->uifont_id, BLF_KERNING_DEFAULT);
UI_fontstyle_set(fs);
width = BLF_width(fs->uifont_id, str, BLF_DRAW_STR_DUMMY_MAX);
if (fs->kerning == 1)
BLF_disable(fs->uifont_id, BLF_KERNING_DEFAULT);
return width;
}
/* temporarily, does widget font */
int UI_GetStringWidth(const char *str)
{
uiStyle *style= U.uistyles.first;
uiFontStyle *fstyle= &style->widget;
int width;
if (fstyle->kerning==1) /* for BLF_width */
BLF_enable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
uiStyleFontSet(fstyle);
width= BLF_width(fstyle->uifont_id, str);
if (fstyle->kerning==1)
BLF_disable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
return width;
}
float file_string_width(const char *str)
{
uiStyle *style = UI_style_get();
float width;
UI_fontstyle_set(&style->widget);
if (style->widget.kerning == 1) { /* for BLF_width */
BLF_enable(style->widget.uifont_id, BLF_KERNING_DEFAULT);
}
width = BLF_width(style->widget.uifont_id, str, BLF_DRAW_STR_DUMMY_MAX);
if (style->widget.kerning == 1) {
BLF_disable(style->widget.uifont_id, BLF_KERNING_DEFAULT);
}
return width;
}
/**
* Same as #UI_fontstyle_draw but draw a colored backdrop.
*/
void UI_fontstyle_draw_simple_backdrop(const uiFontStyle *fs,
float x,
float y,
const char *str,
const float col_fg[4],
const float col_bg[4])
{
if (fs->kerning == 1) {
BLF_enable(fs->uifont_id, BLF_KERNING_DEFAULT);
}
UI_fontstyle_set(fs);
{
const float width = BLF_width(fs->uifont_id, str, BLF_DRAW_STR_DUMMY_MAX);
const float height = BLF_height_max(fs->uifont_id);
const float decent = BLF_descender(fs->uifont_id);
const float margin = height / 4.0f;
/* backdrop */
float color[4] = {col_bg[0], col_bg[1], col_bg[2], 0.5f};
UI_draw_roundbox_corner_set(UI_CNR_ALL);
UI_draw_roundbox_aa(true,
x - margin,
(y + decent) - margin,
x + width + margin,
(y + decent) + height + margin,
margin,
color);
}
BLF_position(fs->uifont_id, x, y, 0.0f);
BLF_color4fv(fs->uifont_id, col_fg);
BLF_draw(fs->uifont_id, str, BLF_DRAW_STR_DUMMY_MAX);
if (fs->kerning == 1) {
BLF_disable(fs->uifont_id, BLF_KERNING_DEFAULT);
}
}
/* Print 3D text */
void BL_print_game_line(int fontid, const char *text, int size, int dpi, float *color, double *mat, float aspect)
{
/* gl prepping */
DisableForText();
/* the actual drawing */
glColor4fv(color);
/* multiply the text matrix by the object matrix */
BLF_enable(fontid, BLF_MATRIX|BLF_ASPECT);
BLF_matrix(fontid, mat);
/* aspect is the inverse scale that allows you to increase */
/* your resolution without sizing the final text size */
/* the bigger the size, the smaller the aspect */
BLF_aspect(fontid, aspect, aspect, aspect);
BLF_size(fontid, size, dpi);
BLF_position(fontid, 0, 0, 0);
BLF_draw(fontid, (char *)text, 65535);
BLF_disable(fontid, BLF_MATRIX|BLF_ASPECT);
}
/**
* Same as #UI_fontstyle_draw but draw a colored backdrop.
*/
void UI_fontstyle_draw_simple_backdrop(
const uiFontStyle *fs, float x, float y, const char *str,
const unsigned char fg[4], const unsigned char bg[4])
{
if (fs->kerning == 1)
BLF_enable(fs->uifont_id, BLF_KERNING_DEFAULT);
UI_fontstyle_set(fs);
{
const float width = BLF_width(fs->uifont_id, str, BLF_DRAW_STR_DUMMY_MAX);
const float height = BLF_height_max(fs->uifont_id);
const float decent = BLF_descender(fs->uifont_id);
const float margin = height / 4.0f;
/* backdrop */
glColor4ubv(bg);
UI_draw_roundbox_corner_set(UI_CNR_ALL | UI_RB_ALPHA);
UI_draw_roundbox(
x - margin,
(y + decent) - margin,
x + width + margin,
(y + decent) + height + margin,
margin);
glColor4ubv(fg);
}
BLF_position(fs->uifont_id, x, y, 0.0f);
BLF_draw(fs->uifont_id, str, BLF_DRAW_STR_DUMMY_MAX);
if (fs->kerning == 1)
BLF_disable(fs->uifont_id, BLF_KERNING_DEFAULT);
}
static void ruler_info_draw_pixel(const struct bContext *C, ARegion *ar, void *arg)
{
Scene *scene = CTX_data_scene(C);
UnitSettings *unit = &scene->unit;
RulerItem *ruler_item;
RulerInfo *ruler_info = arg;
RegionView3D *rv3d = ruler_info->ar->regiondata;
// ARegion *ar = ruler_info->ar;
const float cap_size = 4.0f;
const float bg_margin = 4.0f * U.pixelsize;
const float bg_radius = 4.0f * U.pixelsize;
const float arc_size = 64.0f * U.pixelsize;
#define ARC_STEPS 24
const int arc_steps = ARC_STEPS;
int i;
//unsigned int color_act = 0x666600;
unsigned int color_act = 0xffffff;
unsigned int color_base = 0x0;
unsigned char color_back[4] = {0xff, 0xff, 0xff, 0x80};
unsigned char color_text[3];
unsigned char color_wire[3];
/* anti-aliased lines for more consistent appearance */
glEnable(GL_LINE_SMOOTH);
BLF_enable(blf_mono_font, BLF_ROTATION);
BLF_size(blf_mono_font, 14 * U.pixelsize, U.dpi);
BLF_rotation(blf_mono_font, 0.0f);
UI_GetThemeColor3ubv(TH_TEXT, color_text);
UI_GetThemeColor3ubv(TH_WIRE, color_wire);
for (ruler_item = ruler_info->items.first, i = 0; ruler_item; ruler_item = ruler_item->next, i++) {
const bool is_act = (i == ruler_info->item_active);
float dir_ruler[2];
float co_ss[3][2];
int j;
/* should these be checked? - ok for now not to */
for (j = 0; j < 3; j++) {
ED_view3d_project_float_global(ar, ruler_item->co[j], co_ss[j], V3D_PROJ_TEST_NOP);
}
glEnable(GL_BLEND);
cpack(is_act ? color_act : color_base);
if (ruler_item->flag & RULERITEM_USE_ANGLE) {
glBegin(GL_LINE_STRIP);
for (j = 0; j < 3; j++) {
glVertex2fv(co_ss[j]);
}
glEnd();
cpack(0xaaaaaa);
setlinestyle(3);
glBegin(GL_LINE_STRIP);
for (j = 0; j < 3; j++) {
glVertex2fv(co_ss[j]);
}
glEnd();
setlinestyle(0);
/* arc */
{
float dir_tmp[3];
float co_tmp[3];
float arc_ss_coords[ARC_STEPS + 1][2];
float dir_a[3];
float dir_b[3];
float quat[4];
float axis[3];
float angle;
const float px_scale = (ED_view3d_pixel_size(rv3d, ruler_item->co[1]) *
min_fff(arc_size,
len_v2v2(co_ss[0], co_ss[1]) / 2.0f,
len_v2v2(co_ss[2], co_ss[1]) / 2.0f));
sub_v3_v3v3(dir_a, ruler_item->co[0], ruler_item->co[1]);
sub_v3_v3v3(dir_b, ruler_item->co[2], ruler_item->co[1]);
normalize_v3(dir_a);
normalize_v3(dir_b);
cross_v3_v3v3(axis, dir_a, dir_b);
angle = angle_normalized_v3v3(dir_a, dir_b);
axis_angle_to_quat(quat, axis, angle / arc_steps);
copy_v3_v3(dir_tmp, dir_a);
glColor3ubv(color_wire);
for (j = 0; j <= arc_steps; j++) {
madd_v3_v3v3fl(co_tmp, ruler_item->co[1], dir_tmp, px_scale);
ED_view3d_project_float_global(ar, co_tmp, arc_ss_coords[j], V3D_PROJ_TEST_NOP);
mul_qt_v3(quat, dir_tmp);
}
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(2, GL_FLOAT, 0, arc_ss_coords);
glDrawArrays(GL_LINE_STRIP, 0, arc_steps + 1);
glDisableClientState(GL_VERTEX_ARRAY);
}
/* text */
{
char numstr[256];
float numstr_size[2];
float pos[2];
const int prec = 2; /* XXX, todo, make optional */
ruler_item_as_string(ruler_item, unit, numstr, sizeof(numstr), prec);
BLF_width_and_height(blf_mono_font, numstr, sizeof(numstr), &numstr_size[0], &numstr_size[1]);
pos[0] = co_ss[1][0] + (cap_size * 2.0f);
pos[1] = co_ss[1][1] - (numstr_size[1] / 2.0f);
/* draw text (bg) */
glColor4ubv(color_back);
uiSetRoundBox(UI_CNR_ALL);
uiRoundBox(pos[0] - bg_margin, pos[1] - bg_margin,
pos[0] + bg_margin + numstr_size[0], pos[1] + bg_margin + numstr_size[1],
bg_radius);
/* draw text */
glColor3ubv(color_text);
BLF_position(blf_mono_font, pos[0], pos[1], 0.0f);
BLF_rotation(blf_mono_font, 0.0f);
BLF_draw(blf_mono_font, numstr, sizeof(numstr));
}
/* capping */
{
float rot_90_vec_a[2];
float rot_90_vec_b[2];
float cap[2];
sub_v2_v2v2(dir_ruler, co_ss[0], co_ss[1]);
rot_90_vec_a[0] = -dir_ruler[1];
rot_90_vec_a[1] = dir_ruler[0];
normalize_v2(rot_90_vec_a);
sub_v2_v2v2(dir_ruler, co_ss[1], co_ss[2]);
rot_90_vec_b[0] = -dir_ruler[1];
rot_90_vec_b[1] = dir_ruler[0];
normalize_v2(rot_90_vec_b);
glEnable(GL_BLEND);
glColor3ubv(color_wire);
glBegin(GL_LINES);
madd_v2_v2v2fl(cap, co_ss[0], rot_90_vec_a, cap_size);
glVertex2fv(cap);
madd_v2_v2v2fl(cap, co_ss[0], rot_90_vec_a, -cap_size);
glVertex2fv(cap);
madd_v2_v2v2fl(cap, co_ss[2], rot_90_vec_b, cap_size);
glVertex2fv(cap);
madd_v2_v2v2fl(cap, co_ss[2], rot_90_vec_b, -cap_size);
glVertex2fv(cap);
/* angle vertex */
glVertex2f(co_ss[1][0] - cap_size, co_ss[1][1] - cap_size);
glVertex2f(co_ss[1][0] + cap_size, co_ss[1][1] + cap_size);
glVertex2f(co_ss[1][0] - cap_size, co_ss[1][1] + cap_size);
glVertex2f(co_ss[1][0] + cap_size, co_ss[1][1] - cap_size);
glEnd();
glDisable(GL_BLEND);
}
}
else {
glBegin(GL_LINE_STRIP);
for (j = 0; j < 3; j += 2) {
glVertex2fv(co_ss[j]);
}
glEnd();
cpack(0xaaaaaa);
setlinestyle(3);
glBegin(GL_LINE_STRIP);
for (j = 0; j < 3; j += 2) {
glVertex2fv(co_ss[j]);
}
glEnd();
setlinestyle(0);
sub_v2_v2v2(dir_ruler, co_ss[0], co_ss[2]);
/* text */
{
char numstr[256];
float numstr_size[2];
const int prec = 6; /* XXX, todo, make optional */
float pos[2];
ruler_item_as_string(ruler_item, unit, numstr, sizeof(numstr), prec);
BLF_width_and_height(blf_mono_font, numstr, sizeof(numstr), &numstr_size[0], &numstr_size[1]);
mid_v2_v2v2(pos, co_ss[0], co_ss[2]);
/* center text */
pos[0] -= numstr_size[0] / 2.0f;
pos[1] -= numstr_size[1] / 2.0f;
/* draw text (bg) */
glColor4ubv(color_back);
uiSetRoundBox(UI_CNR_ALL);
uiRoundBox(pos[0] - bg_margin, pos[1] - bg_margin,
pos[0] + bg_margin + numstr_size[0], pos[1] + bg_margin + numstr_size[1],
bg_radius);
/* draw text */
glColor3ubv(color_text);
BLF_position(blf_mono_font, pos[0], pos[1], 0.0f);
BLF_draw(blf_mono_font, numstr, sizeof(numstr));
}
/* capping */
{
float rot_90_vec[2] = {-dir_ruler[1], dir_ruler[0]};
float cap[2];
normalize_v2(rot_90_vec);
glEnable(GL_BLEND);
glColor3ubv(color_wire);
glBegin(GL_LINES);
madd_v2_v2v2fl(cap, co_ss[0], rot_90_vec, cap_size);
glVertex2fv(cap);
madd_v2_v2v2fl(cap, co_ss[0], rot_90_vec, -cap_size);
glVertex2fv(cap);
madd_v2_v2v2fl(cap, co_ss[2], rot_90_vec, cap_size);
glVertex2fv(cap);
madd_v2_v2v2fl(cap, co_ss[2], rot_90_vec, -cap_size);
glVertex2fv(cap);
glEnd();
glDisable(GL_BLEND);
}
}
}
glDisable(GL_LINE_SMOOTH);
BLF_disable(blf_mono_font, BLF_ROTATION);
#undef ARC_STEPS
/* draw snap */
if ((ruler_info->snap_flag & RULER_SNAP_OK) && (ruler_info->state == RULER_STATE_DRAG)) {
ruler_item = ruler_item_active_get(ruler_info);
if (ruler_item) {
/* size from drawSnapping */
const float size = 2.5f * UI_GetThemeValuef(TH_VERTEX_SIZE);
float co_ss[3];
ED_view3d_project_float_global(ar, ruler_item->co[ruler_item->co_index], co_ss, V3D_PROJ_TEST_NOP);
cpack(color_act);
circ(co_ss[0], co_ss[1], size * U.pixelsize);
}
}
}
void UI_fontstyle_draw_ex(const uiFontStyle *fs,
const rcti *rect,
const char *str,
const uchar col[4],
const struct uiFontStyleDraw_Params *fs_params,
size_t len,
float *r_xofs,
float *r_yofs)
{
int xofs = 0, yofs;
int font_flag = BLF_CLIPPING;
UI_fontstyle_set(fs);
/* set the flag */
if (fs->shadow) {
font_flag |= BLF_SHADOW;
const float shadow_color[4] = {
fs->shadowcolor, fs->shadowcolor, fs->shadowcolor, fs->shadowalpha};
BLF_shadow(fs->uifont_id, fs->shadow, shadow_color);
BLF_shadow_offset(fs->uifont_id, fs->shadx, fs->shady);
}
if (fs->kerning == 1) {
font_flag |= BLF_KERNING_DEFAULT;
}
if (fs_params->word_wrap == 1) {
font_flag |= BLF_WORD_WRAP;
}
BLF_enable(fs->uifont_id, font_flag);
if (fs_params->word_wrap == 1) {
/* draw from boundbox top */
yofs = BLI_rcti_size_y(rect) - BLF_height_max(fs->uifont_id);
}
else {
/* draw from boundbox center */
float height = BLF_ascender(fs->uifont_id) + BLF_descender(fs->uifont_id);
yofs = ceil(0.5f * (BLI_rcti_size_y(rect) - height));
}
if (fs_params->align == UI_STYLE_TEXT_CENTER) {
xofs = floor(0.5f * (BLI_rcti_size_x(rect) - BLF_width(fs->uifont_id, str, len)));
}
else if (fs_params->align == UI_STYLE_TEXT_RIGHT) {
xofs = BLI_rcti_size_x(rect) - BLF_width(fs->uifont_id, str, len);
}
yofs = MAX2(0, yofs);
xofs = MAX2(0, xofs);
BLF_clipping(fs->uifont_id, rect->xmin, rect->ymin, rect->xmax, rect->ymax);
BLF_position(fs->uifont_id, rect->xmin + xofs, rect->ymin + yofs, 0.0f);
BLF_color4ubv(fs->uifont_id, col);
BLF_draw(fs->uifont_id, str, len);
BLF_disable(fs->uifont_id, font_flag);
*r_xofs = xofs;
*r_yofs = yofs;
}
/* reading without uifont will create one */
void uiStyleInit(void)
{
uiFont *font;
uiStyle *style = U.uistyles.first;
int monofont_size = datatoc_bmonofont_ttf_size;
unsigned char *monofont_ttf = (unsigned char *)datatoc_bmonofont_ttf;
/* recover from uninitialized dpi */
if (U.dpi == 0)
U.dpi = 72;
CLAMP(U.dpi, 48, 144);
for (font = U.uifonts.first; font; font = font->next) {
BLF_unload_id(font->blf_id);
}
if (blf_mono_font != -1) {
BLF_unload_id(blf_mono_font);
blf_mono_font = -1;
}
if (blf_mono_font_render != -1) {
BLF_unload_id(blf_mono_font_render);
blf_mono_font_render = -1;
}
font = U.uifonts.first;
/* default builtin */
if (font == NULL) {
font = MEM_callocN(sizeof(uiFont), "ui font");
BLI_addtail(&U.uifonts, font);
}
if (U.font_path_ui[0]) {
BLI_strncpy(font->filename, U.font_path_ui, sizeof(font->filename));
font->uifont_id = UIFONT_CUSTOM1;
}
else {
BLI_strncpy(font->filename, "default", sizeof(font->filename));
font->uifont_id = UIFONT_DEFAULT;
}
for (font = U.uifonts.first; font; font = font->next) {
if (font->uifont_id == UIFONT_DEFAULT) {
#ifdef WITH_INTERNATIONAL
int font_size = datatoc_bfont_ttf_size;
unsigned char *font_ttf = (unsigned char *)datatoc_bfont_ttf;
static int last_font_size = 0;
/* use unicode font for translation */
if (U.transopts & USER_DOTRANSLATE) {
font_ttf = BLF_get_unifont(&font_size);
if (!font_ttf) {
/* fall back if not found */
font_size = datatoc_bfont_ttf_size;
font_ttf = (unsigned char *)datatoc_bfont_ttf;
}
}
/* relload only if needed */
if (last_font_size != font_size) {
BLF_unload("default");
last_font_size = font_size;
}
font->blf_id = BLF_load_mem("default", font_ttf, font_size);
#else
font->blf_id = BLF_load_mem("default", (unsigned char *)datatoc_bfont_ttf, datatoc_bfont_ttf_size);
#endif
}
else {
font->blf_id = BLF_load(font->filename);
if (font->blf_id == -1) {
font->blf_id = BLF_load_mem("default", (unsigned char *)datatoc_bfont_ttf, datatoc_bfont_ttf_size);
}
}
BLF_default_set(font->blf_id);
if (font->blf_id == -1) {
if (G.debug & G_DEBUG)
printf("%s: error, no fonts available\n", __func__);
}
else {
/* ? just for speed to initialize?
* Yes, this build the glyph cache and create
* the texture.
*/
BLF_size(font->blf_id, 11 * U.pixelsize, U.dpi);
BLF_size(font->blf_id, 12 * U.pixelsize, U.dpi);
BLF_size(font->blf_id, 14 * U.pixelsize, U.dpi);
}
}
if (style == NULL) {
ui_style_new(&U.uistyles, "Default Style", UIFONT_DEFAULT);
}
#ifdef WITH_INTERNATIONAL
/* use unicode font for text editor and interactive console */
if (U.transopts & USER_DOTRANSLATE) {
monofont_ttf = BLF_get_unifont_mono(&monofont_size);
if (!monofont_ttf) {
/* fall back if not found */
monofont_size = datatoc_bmonofont_ttf_size;
monofont_ttf = (unsigned char *)datatoc_bmonofont_ttf;
}
}
#endif
/* XXX, this should be moved into a style, but for now best only load the monospaced font once. */
BLI_assert(blf_mono_font == -1);
if (U.font_path_ui_mono[0]) {
blf_mono_font = BLF_load_unique(U.font_path_ui_mono);
}
if (blf_mono_font == -1) {
blf_mono_font = BLF_load_mem_unique("monospace", monofont_ttf, monofont_size);
}
BLF_size(blf_mono_font, 12 * U.pixelsize, 72);
/* Set default flags based on UI preferences (not render fonts) */
{
int flag_disable = BLF_MONOCHROME |
BLF_HINTING_NONE |
BLF_HINTING_SLIGHT |
BLF_HINTING_FULL;
int flag_enable = 0;
if (U.text_render & USER_TEXT_HINTING_NONE) {
flag_enable |= BLF_HINTING_NONE;
}
else if (U.text_render & USER_TEXT_HINTING_SLIGHT) {
flag_enable |= BLF_HINTING_SLIGHT;
}
else if (U.text_render & USER_TEXT_HINTING_FULL) {
flag_enable |= BLF_HINTING_FULL;
}
if (U.text_render & USER_TEXT_DISABLE_AA) {
flag_enable |= BLF_MONOCHROME;
}
for (font = U.uifonts.first; font; font = font->next) {
if (font->blf_id != -1) {
BLF_disable(font->blf_id, flag_disable);
BLF_enable(font->blf_id, flag_enable);
}
}
if (blf_mono_font != -1) {
BLF_disable(blf_mono_font, flag_disable);
BLF_enable(blf_mono_font, flag_enable);
}
}
/**
* Second for rendering else we get threading problems,
*
* \note This isn't good that the render font depends on the preferences,
* keep for now though, since without this there is no way to display many unicode chars.
*/
if (blf_mono_font_render == -1)
blf_mono_font_render = BLF_load_mem_unique("monospace", monofont_ttf, monofont_size);
BLF_size(blf_mono_font_render, 12 * U.pixelsize, 72);
}
