X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fdevices%2Ftext.c;h=4bdcdaf087b109cf35aab54e76e8f5dc34ef5099;hb=3116692a2512f2bfae346a1074d1fdfa00ea9d2c;hp=652b20a8feb91bb82735098399bf347c26856a56;hpb=5c97ba8aa76235db3e4f7bf833ef1d73744affaf;p=swftools.git

diff --git a/lib/devices/text.c b/lib/devices/text.c
index 652b20a..4bdcdaf 100644
--- a/lib/devices/text.c
+++ b/lib/devices/text.c
@@ -20,6 +20,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <math.h>
 #include <stdarg.h>
 #include <unistd.h>
 #include <memory.h>
@@ -39,23 +40,32 @@ typedef struct _textpage {
 typedef struct _internal {
     textpage_t*first_page;
     textpage_t*current_page;
+    double currentx;
+    double currenty;
+    double lastadvance;
 } internal_t;
 
 int text_setparameter(gfxdevice_t*dev, const char*key, const char*value)
 {
     internal_t*i = (internal_t*)dev->internal;
+    return 0;
 }
 void text_startpage(gfxdevice_t*dev, int width, int height)
 {
     internal_t*i = (internal_t*)dev->internal;
-    if(i->first_page) {
+    if(!i->first_page) {
 	i->first_page = i->current_page = (textpage_t*)malloc(sizeof(textpage_t));
     } else {
 	i->current_page->next = (textpage_t*)malloc(sizeof(textpage_t));
 	i->current_page = i->current_page->next;
     }
     i->current_page->textsize = 4096;
-    i->current_page->text = malloc(i->current_page->textsize);
+    i->current_page->text = (char*)malloc(i->current_page->textsize);
+    i->current_page->textpos = 0;
+    i->current_page->next = 0;
+    i->currentx = 0;
+    i->currenty = 0;
+    i->lastadvance = 0;
 }
 void text_startclip(gfxdevice_t*dev, gfxline_t*line)
 {
@@ -82,22 +92,48 @@ void text_fillgradient(gfxdevice_t*dev, gfxline_t*line, gfxgradient_t*gradient,
     internal_t*i = (internal_t*)dev->internal;
 }
 void text_addfont(gfxdevice_t*dev, gfxfont_t*font) {}
-void text_drawchar(gfxdevice_t*dev, gfxfont_t*font, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix)
+
+static void addchar(gfxdevice_t*dev, int unicode)
 {
     internal_t*i = (internal_t*)dev->internal;
-
+    if(!i->current_page) {
+        text_startpage(dev, 0, 0);
+    }
     if(i->current_page->textpos + 10 > i->current_page->textsize) {
 	i->current_page->textsize += 4096;
 	i->current_page->text = realloc(i->current_page->text, i->current_page->textsize);
     }
-
-    gfxglyph_t*glyph = &font->glyphs[glyphnr];
-    writeUTF8(glyph->unicode, &i->current_page->text[i->current_page->textpos]);
+    writeUTF8(unicode, &i->current_page->text[i->current_page->textpos]);
     i->current_page->textpos += strlen(&i->current_page->text[i->current_page->textpos]);
-    return;
 }
 
-void text_drawlink(gfxdevice_t*dev, gfxline_t*line, char*action)
+void text_drawchar(gfxdevice_t*dev, gfxfont_t*font, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix)
+{
+    internal_t*i = (internal_t*)dev->internal;
+    double xshift = matrix->tx - i->currentx;
+    double yshift = matrix->ty - i->currenty;
+    i->currentx = matrix->tx;
+    i->currenty = matrix->ty;
+
+    if(fabs(yshift)>1.0) {
+        addchar(dev, 10);
+    } else if(xshift > i->lastadvance*1.3 || xshift<0) {
+        addchar(dev, 32);
+    }
+    int u;
+    if(font) {
+	i->lastadvance = font->glyphs[glyphnr].advance*matrix->m00;
+	u = font->glyphs[glyphnr].unicode;
+    } else {
+	u = glyphnr;
+	i->currentx = 0;i->currenty = 0;
+    }
+    if(u>13) {
+        addchar(dev, u);
+    }
+}
+
+void text_drawlink(gfxdevice_t*dev, gfxline_t*line, const char*action)
 {
     internal_t*i = (internal_t*)dev->internal;
 }
@@ -111,7 +147,7 @@ void text_result_write(gfxresult_t*r, int filedesc)
 {
     textpage_t*i= (textpage_t*)r->internal;
 }
-int text_result_save(gfxresult_t*r, char*filename)
+int text_result_save(gfxresult_t*r, const char*filename)
 {
     textpage_t*i= (textpage_t*)r->internal;
     if(!i) {
@@ -127,7 +163,7 @@ int text_result_save(gfxresult_t*r, char*filename)
     fclose(fi);
     return 1;
 }
-void*text_result_get(gfxresult_t*r, char*name)
+void*text_result_get(gfxresult_t*r, const char*name)
 {
     textpage_t*i= (textpage_t*)r->internal;
     if(!strcmp(name,"text")) {
@@ -137,7 +173,7 @@ void*text_result_get(gfxresult_t*r, char*name)
 	    len += i->textpos;
 	    j = j->next;
 	}
-	char*text = malloc(len);
+	char*text = (char*)malloc(len);
 	int pos = 0;
 	j = i;
 	while(j) {