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-rw-r--r--source/blender/blenfont/intern/blf.c45
-rw-r--r--source/blender/blenfont/intern/blf_font.c169
-rw-r--r--source/blender/blenfont/intern/blf_glyph.c2
-rw-r--r--source/blender/blenfont/intern/blf_internal.h2
-rw-r--r--source/blender/blenfont/intern/blf_internal_types.h20
5 files changed, 224 insertions, 14 deletions
diff --git a/source/blender/blenfont/intern/blf.c b/source/blender/blenfont/intern/blf.c
index ded89d18387..8cb237a19ac 100644
--- a/source/blender/blenfont/intern/blf.c
+++ b/source/blender/blenfont/intern/blf.c
@@ -371,6 +371,15 @@ void BLF_boundbox(char *str, rctf *box)
blf_font_boundbox(font, str, box);
}
+void BLF_width_and_height(char *str, float *width, float *height)
+{
+ FontBLF *font;
+
+ font= global_font[global_font_cur];
+ if (font)
+ blf_font_width_and_height(font, str, width, height);
+}
+
float BLF_width(char *str)
{
FontBLF *font;
@@ -513,3 +522,39 @@ void BLF_shadow_offset(int x, int y)
font->shadow_y= y;
}
}
+
+void BLF_buffer(float *fbuf, unsigned char *cbuf, unsigned int w, unsigned int h, int nch)
+{
+ FontBLF *font;
+
+ font= global_font[global_font_cur];
+ if (font) {
+ font->b_fbuf= fbuf;
+ font->b_cbuf= cbuf;
+ font->bw= w;
+ font->bh= h;
+ font->bch= nch;
+ }
+}
+
+void BLF_buffer_col(float r, float g, float b, float a)
+{
+ FontBLF *font;
+
+ font= global_font[global_font_cur];
+ if (font) {
+ font->b_col[0]= r;
+ font->b_col[1]= g;
+ font->b_col[2]= b;
+ font->b_col[3]= a;
+ }
+}
+
+void BLF_draw_buffer(char *str)
+{
+ FontBLF *font;
+
+ font= global_font[global_font_cur];
+ if (font)
+ blf_font_buffer(font, str);
+}
diff --git a/source/blender/blenfont/intern/blf_font.c b/source/blender/blenfont/intern/blf_font.c
index 7521b7815f1..432c3b5f854 100644
--- a/source/blender/blenfont/intern/blf_font.c
+++ b/source/blender/blenfont/intern/blf_font.c
@@ -100,7 +100,7 @@ void blf_font_draw(FontBLF *font, char *str)
unsigned int c;
GlyphBLF *g, *g_prev;
FT_Vector delta;
- FT_UInt glyph_index, g_prev_index;
+ FT_UInt glyph_index;
int pen_x, pen_y;
int i, has_kerning, st;
@@ -112,17 +112,17 @@ void blf_font_draw(FontBLF *font, char *str)
pen_y= 0;
has_kerning= FT_HAS_KERNING(font->face);
g_prev= NULL;
- g_prev_index= 0;
while (str[i]) {
c= blf_utf8_next((unsigned char *)str, &i);
if (c == 0)
break;
- glyph_index= FT_Get_Char_Index(font->face, c);
g= blf_glyph_search(font->glyph_cache, c);
- if (!g)
+ if (!g) {
+ glyph_index= FT_Get_Char_Index(font->face, c);
g= blf_glyph_add(font, glyph_index, c);
+ }
/* if we don't found a glyph, skip it. */
if (!g)
@@ -133,9 +133,9 @@ void blf_font_draw(FontBLF *font, char *str)
delta.y= 0;
if (font->flags & BLF_KERNING_DEFAULT)
- st= FT_Get_Kerning(font->face, g_prev_index, glyph_index, ft_kerning_default, &delta);
+ st= FT_Get_Kerning(font->face, g_prev->idx, g->idx, ft_kerning_default, &delta);
else
- st= FT_Get_Kerning(font->face, g_prev_index, glyph_index, FT_KERNING_UNFITTED, &delta);
+ st= FT_Get_Kerning(font->face, g_prev->idx, g->idx, FT_KERNING_UNFITTED, &delta);
if (st == 0)
pen_x += delta.x >> 6;
@@ -146,7 +146,129 @@ void blf_font_draw(FontBLF *font, char *str)
pen_x += g->advance;
g_prev= g;
- g_prev_index= glyph_index;
+ }
+}
+
+void blf_font_buffer(FontBLF *font, char *str)
+{
+ unsigned char *data;
+ unsigned int c;
+ GlyphBLF *g, *g_prev;
+ FT_Vector delta;
+ FT_UInt glyph_index;
+ float a, *fbuf;
+ int pen_x, pen_y, y, x, yb, diff;
+ int i, has_kerning, st, chx, chy;
+
+ if (!font->glyph_cache)
+ return;
+
+ i= 0;
+ pen_x= (int)font->pos[0];
+ pen_y= (int)font->pos[1];
+ has_kerning= FT_HAS_KERNING(font->face);
+ g_prev= NULL;
+
+ while (str[i]) {
+ c= blf_utf8_next((unsigned char *)str, &i);
+ if (c == 0)
+ break;
+
+ g= blf_glyph_search(font->glyph_cache, c);
+ if (!g) {
+ glyph_index= FT_Get_Char_Index(font->face, c);
+ g= blf_glyph_add(font, glyph_index, c);
+ }
+
+ /* if we don't found a glyph, skip it. */
+ if (!g)
+ continue;
+
+ if (has_kerning && g_prev) {
+ delta.x= 0;
+ delta.y= 0;
+
+ if (font->flags & BLF_KERNING_DEFAULT)
+ st= FT_Get_Kerning(font->face, g_prev->idx, g->idx, ft_kerning_default, &delta);
+ else
+ st= FT_Get_Kerning(font->face, g_prev->idx, g->idx, FT_KERNING_UNFITTED, &delta);
+
+ if (st == 0)
+ pen_x += delta.x >> 6;
+ }
+
+ if (font->b_fbuf) {
+ chx= pen_x + ((int)g->pos_x);
+
+ diff= g->height - ((int)g->pos_y);
+
+ if (diff > 0) {
+ if (g->pitch < 0)
+ pen_y += diff;
+ else
+ pen_y -= diff;
+ }
+ else if (diff < 0) {
+ if (g->pitch < 0)
+ pen_y -= diff;
+ else
+ pen_y += diff;
+ }
+
+
+ if (g->pitch < 0)
+ chy= pen_y - ((int)g->pos_y);
+ else
+ chy= pen_y + ((int)g->pos_y);
+
+ if (chx >= 0 && chx < font->bw && pen_y >= 0 && pen_y < font->bh) {
+ if (g->pitch < 0)
+ yb= 0;
+ else
+ yb= g->height-1;
+
+ for (y= 0; y < g->height; y++) {
+ for (x= 0; x < g->width; x++) {
+ fbuf= font->b_fbuf + font->bch * ((chx + x) + ((pen_y + y)*font->bw));
+ data= g->bitmap + x + (yb * g->pitch);
+ a= data[0]/255.0f;
+
+ if (a == 1.0) {
+ fbuf[0]= font->b_col[0];
+ fbuf[1]= font->b_col[1];
+ fbuf[2]= font->b_col[2];
+ }
+ else {
+ fbuf[0]= (font->b_col[0]*a) + (fbuf[0] * (1-a));
+ fbuf[1]= (font->b_col[1]*a) + (fbuf[1] * (1-a));
+ fbuf[2]= (font->b_col[2]*a) + (fbuf[2] * (1-a));
+ }
+ }
+
+ if (g->pitch < 0)
+ yb++;
+ else
+ yb--;
+ }
+ }
+
+ if (diff > 0) {
+ if (g->pitch < 0)
+ pen_x -= diff;
+ else
+ pen_y += diff;
+ }
+ else if (diff < 0) {
+ if (g->pitch < 0)
+ pen_x += diff;
+ else
+ pen_y -= diff;
+ }
+
+ }
+
+ pen_x += g->advance;
+ g_prev= g;
}
}
@@ -155,7 +277,7 @@ void blf_font_boundbox(FontBLF *font, char *str, rctf *box)
unsigned int c;
GlyphBLF *g, *g_prev;
FT_Vector delta;
- FT_UInt glyph_index, g_prev_index;
+ FT_UInt glyph_index;
rctf gbox;
int pen_x, pen_y;
int i, has_kerning, st;
@@ -173,17 +295,17 @@ void blf_font_boundbox(FontBLF *font, char *str, rctf *box)
pen_y= 0;
has_kerning= FT_HAS_KERNING(font->face);
g_prev= NULL;
- g_prev_index= 0;
while (str[i]) {
c= blf_utf8_next((unsigned char *)str, &i);
if (c == 0)
break;
- glyph_index= FT_Get_Char_Index(font->face, c);
g= blf_glyph_search(font->glyph_cache, c);
- if (!g)
+ if (!g) {
+ glyph_index= FT_Get_Char_Index(font->face, c);
g= blf_glyph_add(font, glyph_index, c);
+ }
/* if we don't found a glyph, skip it. */
if (!g)
@@ -194,9 +316,9 @@ void blf_font_boundbox(FontBLF *font, char *str, rctf *box)
delta.y= 0;
if (font->flags & BLF_KERNING_DEFAULT)
- st= FT_Get_Kerning(font->face, g_prev_index, glyph_index, ft_kerning_default, &delta);
+ st= FT_Get_Kerning(font->face, g_prev->idx, g->idx, ft_kerning_default, &delta);
else
- st= FT_Get_Kerning(font->face, g_prev_index, glyph_index, FT_KERNING_UNFITTED, &delta);
+ st= FT_Get_Kerning(font->face, g_prev->idx, g->idx, FT_KERNING_UNFITTED, &delta);
if (st == 0)
pen_x += delta.x >> 6;
@@ -219,7 +341,6 @@ void blf_font_boundbox(FontBLF *font, char *str, rctf *box)
pen_x += g->advance;
g_prev= g;
- g_prev_index= glyph_index;
}
if (box->xmin > box->xmax) {
@@ -230,6 +351,17 @@ void blf_font_boundbox(FontBLF *font, char *str, rctf *box)
}
}
+void blf_font_width_and_height(FontBLF *font, char *str, float *width, float *height)
+{
+ rctf box;
+
+ if (font->glyph_cache) {
+ blf_font_boundbox(font, str, &box);
+ *width= ((box.xmax - box.xmin) * font->aspect);
+ *height= ((box.ymax - box.ymin) * font->aspect);
+ }
+}
+
float blf_font_width(FontBLF *font, char *str)
{
rctf box;
@@ -311,6 +443,15 @@ void blf_font_fill(FontBLF *font)
font->glyph_cache= NULL;
font->blur= 0;
font->max_tex_size= -1;
+ font->b_fbuf= NULL;
+ font->b_cbuf= NULL;
+ font->bw= 0;
+ font->bh= 0;
+ font->bch= 0;
+ font->b_col[0]= 0;
+ font->b_col[1]= 0;
+ font->b_col[2]= 0;
+ font->b_col[3]= 0;
}
FontBLF *blf_font_new(char *name, char *filename)
diff --git a/source/blender/blenfont/intern/blf_glyph.c b/source/blender/blenfont/intern/blf_glyph.c
index 78df8ff2bc6..f3db3ddc9a5 100644
--- a/source/blender/blenfont/intern/blf_glyph.c
+++ b/source/blender/blenfont/intern/blf_glyph.c
@@ -217,6 +217,7 @@ GlyphBLF *blf_glyph_add(FontBLF *font, FT_UInt index, unsigned int c)
g->next= NULL;
g->prev= NULL;
g->c= c;
+ g->idx= index;
g->tex= 0;
g->build_tex= 0;
g->bitmap= NULL;
@@ -238,6 +239,7 @@ GlyphBLF *blf_glyph_add(FontBLF *font, FT_UInt index, unsigned int c)
g->advance= ((float)slot->advance.x) / 64.0f;
g->pos_x= slot->bitmap_left;
g->pos_y= slot->bitmap_top;
+ g->pitch= slot->bitmap.pitch;
FT_Outline_Get_CBox(&(slot->outline), &bbox);
g->box.xmin= ((float)bbox.xMin) / 64.0f;
diff --git a/source/blender/blenfont/intern/blf_internal.h b/source/blender/blenfont/intern/blf_internal.h
index 30d5c8ede65..2a69b8652ea 100644
--- a/source/blender/blenfont/intern/blf_internal.h
+++ b/source/blender/blenfont/intern/blf_internal.h
@@ -45,7 +45,9 @@ void blf_font_attach_from_mem(FontBLF *font, const unsigned char *mem, int mem_s
void blf_font_size(FontBLF *font, int size, int dpi);
void blf_font_draw(FontBLF *font, char *str);
+void blf_font_buffer(FontBLF *font, char *str);
void blf_font_boundbox(FontBLF *font, char *str, rctf *box);
+void blf_font_width_and_height(FontBLF *font, char *str, float *width, float *height);
float blf_font_width(FontBLF *font, char *str);
float blf_font_height(FontBLF *font, char *str);
float blf_font_fixed_width(FontBLF *font);
diff --git a/source/blender/blenfont/intern/blf_internal_types.h b/source/blender/blenfont/intern/blf_internal_types.h
index d457225662f..fb4a2e6a9e5 100644
--- a/source/blender/blenfont/intern/blf_internal_types.h
+++ b/source/blender/blenfont/intern/blf_internal_types.h
@@ -85,6 +85,9 @@ typedef struct GlyphBLF {
/* and the character, as UTF8 */
unsigned int c;
+ /* freetype2 index, to speed-up the search. */
+ FT_UInt idx;
+
/* glyph box. */
rctf box;
@@ -106,6 +109,7 @@ typedef struct GlyphBLF {
/* glyph width and height. */
int width;
int height;
+ int pitch;
/* uv coords. */
float uv[2][2];
@@ -176,6 +180,22 @@ typedef struct FontBLF {
/* freetype2 face. */
FT_Face face;
+
+ /* for draw to buffer, always set this to NULL after finish! */
+ float *b_fbuf;
+
+ /* the same but unsigned char */
+ unsigned char *b_cbuf;
+
+ /* buffer size. */
+ unsigned int bw;
+ unsigned int bh;
+
+ /* number of channels. */
+ int bch;
+
+ /* and the color, the alphas is get from the glyph! */
+ float b_col[4];
} FontBLF;
typedef struct DirBLF {
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 15:27:54 +0300