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-rwxr-xr-xdvi/painter.cc376
1 files changed, 0 insertions, 376 deletions
diff --git a/dvi/painter.cc b/dvi/painter.cc
deleted file mode 100755
index 2dc57e2..0000000
--- a/dvi/painter.cc
+++ /dev/null
@@ -1,376 +0,0 @@
-#include "painter.hh"
-#include "dl-dvi-fontdefinition.hh"
-
-using DviLib::DviFontdefinition;
-using DviLib::DviFontMap;
-using DviLib::AbstractCharacter;
-
-// paint a bitmap
-void
-DviPainter::paint_bitmap (const unsigned char *data,
- uint width, uint height,
- int hoffset, int voffset)
-{
- GdkPixbuf *pixbuf =
- gdk_pixbuf_new_from_data (data,
- GDK_COLORSPACE_RGB,
- TRUE, // has_alpha,
- 8,
- width,
- height,
- width * 4, // rowstride
- NULL, // destroy_fn
- NULL); // destroy_fn_data
-
- uint x = dvi_to_pixels (current_frame->h);
- uint y = dvi_to_pixels (current_frame->v);
-
- gdk_pixbuf_render_to_drawable (pixbuf,
- pixmap,
- gc,
- 0, 0,
- x-hoffset,
- y-voffset,
- //y+(height - voffset),
- width,
- height,
- GDK_RGB_DITHER_NONE,
- 0, 0);
-}
-
-// typeset ch, move w
-void
-DviPainter::set_char (int ch)
-{
- AbstractCharacter *character = current_frame->font->get_char (ch);
- character->paint (* this);
-
- int tfm_width = character->get_tfm_width ();
- int at_size = current_frame->font->get_at_size ();
- int dvi_width = tfm_to_dvi (tfm_width, at_size);
-
- current_frame->h += dvi_width;
-}
-
-// typeset ch, don't move
-void
-DviPainter::put_char (int ch)
-{
- AbstractCharacter *character = current_frame->font->get_char (ch);
- character->paint (* this);
-}
-
-void
-// rule, move (height, width)
-DviPainter::set_rule (int height,
- int width)
-{
- int width_p = dvi_to_pixels_no_offset (width);
- int height_p = dvi_to_pixels_no_offset (height);
- int x = dvi_to_pixels (current_frame->h);
- int y = dvi_to_pixels (current_frame->v);
-
-#if 0
- cout << "BIRNAN\n" << endl;
-#endif
-
- gdk_draw_rectangle (pixmap, gc, TRUE,
- x, y,
- width_p + 1, height_p + 1);
-
- current_frame->h += width;
-}
-
-// rule, don't move
-void
-DviPainter::put_rule (int height,
- int width)
-{
- cout << "w h " << width << " " << height << " " << endl;
-
- int width_p = dvi_to_pixels_no_offset (width);
- int height_p = dvi_to_pixels_no_offset (height);
- int x = dvi_to_pixels (current_frame->h);
- int y = dvi_to_pixels (current_frame->v);
-
- cout << "EMFLE\n" << endl;
-
- cout << "x y h w " << x << " " << y << " " << height_p << " "
- << width_p << endl;
-
- gdk_draw_rectangle (pixmap, gc, TRUE,
- x, y,
- width_p + 1, height_p + 1);
-}
-
-// push current context
-DviFrame *
-DviFrame::copy (void)
-{
- DviFrame *frame = new DviFrame ();
-
- frame->fontmap = this->fontmap;
- if (frame->fontmap)
- frame->fontmap->ref();
- frame->h = this->h;
- frame->v = this->v;
- frame->w = this->w;
- frame->x = this->x;
- frame->y = this->y;
- frame->z = this->z;
- frame->font = this->font;
- if (frame->font)
- frame->font->ref();
-
- return frame;
-}
-
-DviFrame::~DviFrame()
-{
- if (this->fontmap)
- this->fontmap->unref();
- if (this->font)
- this->font->unref();
-}
-
-void
-DviPainter::push (void)
-{
- DviFrame *new_frame = current_frame->copy();
- new_frame->next = current_frame;
- current_frame = new_frame;
- if (current_frame->font)
- cout << "push: there is a font" << endl;
- else
- cout << "push: there is not a font" << endl;
-}
-
-// pop ccontext
-void
-DviPainter::pop (void)
-{
- DviFrame *old_frame = current_frame;
-
- // FIXME: dvi assumes that fonts survive pops
- // FIXME: however, do they also survive the final pop of a vfchar?
-
- current_frame = current_frame->next;
-
- if (current_frame && current_frame->font)
- cout << "pop: there is a font" << endl;
- else if (current_frame)
- cout << "pop: there is not font" << endl;
- else
- cout << "no current" << endl;
-
- old_frame->unref();
-}
-
-// move right len
-void
-DviPainter::right (int len)
-{
- current_frame->h += len;
-}
-
-// move right len, set w = len
-void
-DviPainter::w (int len)
-{
- right (len);
- current_frame->w = len;
-}
-
-// move right w
-void
-DviPainter::w_rep ()
-{
- right (current_frame->w);
-}
-
-// move right len, set x = len
-void
-DviPainter::x (int len)
-{
- right (len);
- current_frame->x = len;
-}
-
-// move right x
-void
-DviPainter::x_rep ()
-{
- right (current_frame->x);
-}
-
-// move down len
-void
-DviPainter::down (int len)
-{
- current_frame->v += len;
-}
-
-// move down len, set y = len
-void
-DviPainter::y (int len)
-{
- down (len);
- current_frame->y = len;
-}
-
-// move down y
-void
-DviPainter::y_rep ()
-{
- down (current_frame->y);
-}
-
-// move down len, set z = len
-void
-DviPainter::z (int len)
-{
- down (len);
- current_frame->z = len;
-}
-
-// move down z
-void
-DviPainter::z_rep ()
-{
- down (current_frame->z);
-}
-
-// f = font_num
-void
-DviPainter::font_num (int font_num)
-{
- DviFontdefinition *fd = current_frame->fontmap->get_fontdefinition (font_num);
-
- g_assert (fd);
- if (fd)
- {
- // gtkdvi:
- int dpi = (int)floor( 0.5 + 1.0 * base_dpi *
- dvi_file->get_magnification() * fd->at_size /
- ( 1000.0 * fd->design_size));
-
- cout << fd->name << " design size: " << fd->design_size << " at size " << fd->at_size << endl;
-
- if (current_frame->font)
- current_frame->font->unref();
-
- current_frame->font =
- font_factory->create_font (fd->name, dpi, fd->at_size);
-
- g_assert (current_frame->font);
- cout << "there is now a font"<< endl;
-
- }
-}
-
-// do something special
-void
-DviPainter::special (string spc)
-{
- cout << "warning: special " << spc << " " << "not handled" << endl;
-}
-
-int
-DviPainter::tfm_to_dvi (uint tfm, int at_size)
-{
- // this is from gtkdvi:
- int alpha, z, beta, b0, b1, b2, b3, r;
-
- alpha = 16;
- z = at_size;
- while (z >= (1<<23))
- {
- z >>= 1;
- alpha <<= 1;
- }
- beta = 256/alpha;
- alpha *= z;
-
-#if 0
- b0 = tfm & (0xFF << 24);
- b1 = tfm & (0xFF << 16);
- b2 = tfm & (0xFF << 8);
- b3 = tfm & (0xFF << 0);
-#endif
-
- b0 = tfm >> 24;
- b1 = (tfm >> 16) & 255;
- b2 = (tfm >> 8) & 255;
- b3 = tfm & 255;
-
-#if 0
- r = (((((b3 * z) / 256) + (b2 * z)) / 256) + (b1 * z))/beta;
-#endif
-
- b1 *= z;
- b2 *= z;
- b3 *= z;
-
- r = (((b3 / 256 + b2) / 256) + b1) / beta;
-
- if (b0 > 0)
- {
- if ((b0 > 0) != (tfm > 0))
- cout << "b0: " << b0 << "tfm: " << tfm << endl;
- r -= alpha;
- }
-
- return r;
-}
-
-DviPainter::DviPainter (GdkPixmap *pixmap_arg,
- GdkGC *gc_arg,
- DviLib::DviFile *dvi_file_arg,
- uint base_dpi_arg,
- AbstractFontFactory *font_factory_arg)
-{
- pixmap = (GdkPixmap *)g_object_ref (pixmap_arg);
- gc = (GdkGC *)g_object_ref (gc_arg);
- dvi_file = dvi_file_arg;
- base_dpi = base_dpi_arg;
- font_factory = font_factory_arg;
-
- dvi_file->ref();
- font_factory->ref();
-
- current_frame = new DviFrame;
- current_frame->h = 0;
- current_frame->v = 0;
- current_frame->w = 0;
- current_frame->x = 0;
- current_frame->y = 0;
- current_frame->z = 0;
- current_frame->fontmap = NULL;
- current_frame->font = NULL;
-
- // from gtkdvi:
- scale = dvi_file->get_numerator() / 254000.0;
- scale *= 1.0 * base_dpi / dvi_file->get_denominator ();
- scale *= dvi_file->get_magnification () / 1000.0;
-}
-
-DviPainter::~DviPainter ()
-{
- g_object_unref (pixmap);
- g_object_unref (gc);
- dvi_file->unref();
- font_factory->unref();
- while (current_frame)
- pop();
-}
-
-void
-DviPainter::fontmap (DviFontMap *fontmap)
-{
- fontmap->ref();
-
- if (current_frame->fontmap)
- current_frame->fontmap->unref();
-
- current_frame->fontmap = fontmap;
-}
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