diff options
author | Nickolay V. Shmyrev <nshmyrev@yandex.ru> | 2007-01-08 12:25:31 (GMT) |
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committer | Nickolay V. Shmyrev <nshmyrev@src.gnome.org> | 2007-01-08 12:25:31 (GMT) |
commit | 13a06349251874bd35d2f03c3fc93217cee749a2 (patch) | |
tree | a681279b008acb19f686ee265aaed2be0da8d9e8 /backend/dvi/pixbuf-device.c | |
parent | afb550ab779e00918d8fe24742abee3a81ebfe93 (diff) |
Reorganize source tree.
2007-01-08 Nickolay V. Shmyrev <nshmyrev@yandex.ru>
* Makefile.am:
* backend/Makefile.am:
* backend/comics/Makefile.am:
* backend/djvu/Makefile.am:
* backend/dvi/Makefile.am:
* backend/ev-async-renderer.c:
* backend/ev-async-renderer.h:
* backend/ev-attachment.c:
* backend/ev-attachment.h:
* backend/ev-backend-marshal.c:
* backend/ev-document-factory.c:
* backend/ev-document-factory.h:
* backend/ev-document-find.c:
* backend/ev-document-find.h:
* backend/ev-document-fonts.c:
* backend/ev-document-fonts.h:
* backend/ev-document-images.c:
* backend/ev-document-images.h:
* backend/ev-document-info.h:
* backend/ev-document-links.c:
* backend/ev-document-links.h:
* backend/ev-document-misc.c:
* backend/ev-document-misc.h:
* backend/ev-document-security.c:
* backend/ev-document-security.h:
* backend/ev-document-thumbnails.c:
* backend/ev-document-thumbnails.h:
* backend/ev-document-transition.c:
* backend/ev-document-transition.h:
* backend/ev-document.c:
* backend/ev-document.h:
* backend/ev-file-exporter.c:
* backend/ev-file-exporter.h:
* backend/ev-image.c:
* backend/ev-image.h:
* backend/ev-link-action.c:
* backend/ev-link-action.h:
* backend/ev-link-dest.c:
* backend/ev-link-dest.h:
* backend/ev-link.c:
* backend/ev-link.h:
* backend/ev-render-context.c:
* backend/ev-render-context.h:
* backend/ev-selection.c:
* backend/ev-selection.h:
* backend/impress/Makefile.am:
* backend/pdf/Makefile.am:
* backend/pixbuf/Makefile.am:
* backend/ps/Makefile.am:
* backend/ps/ps-document.c: (push_pixbuf), (interpreter_failed),
(ps_document_widget_event), (setup_pixmap), (setup_page), (input),
(start_interpreter), (stop_interpreter), (document_load),
(ps_document_next_page), (render_page):
* backend/tiff/Makefile.am:
* comics/Makefile.am:
* comics/comics-document.c:
* comics/comics-document.h:
* configure.ac:
* cut-n-paste/zoom-control/ephy-zoom-control.c:
* djvu/Makefile.am:
* djvu/djvu-document-private.h:
* djvu/djvu-document.c:
* djvu/djvu-document.h:
* djvu/djvu-links.c:
* djvu/djvu-links.h:
* djvu/djvu-text-page.c:
* djvu/djvu-text-page.h:
* djvu/djvu-text.c:
* djvu/djvu-text.h:
* dvi/Makefile.am:
* dvi/dvi-document.c:
* dvi/dvi-document.h:
* dvi/fonts.c:
* dvi/fonts.h:
* dvi/mdvi-lib/Makefile.am:
* dvi/mdvi-lib/afmparse.c:
* dvi/mdvi-lib/afmparse.h:
* dvi/mdvi-lib/bitmap.c:
* dvi/mdvi-lib/bitmap.h:
* dvi/mdvi-lib/color.c:
* dvi/mdvi-lib/color.h:
* dvi/mdvi-lib/common.c:
* dvi/mdvi-lib/common.h:
* dvi/mdvi-lib/defaults.h:
* dvi/mdvi-lib/dvimisc.c:
* dvi/mdvi-lib/dviopcodes.h:
* dvi/mdvi-lib/dviread.c:
* dvi/mdvi-lib/files.c:
* dvi/mdvi-lib/font.c:
* dvi/mdvi-lib/fontmap.c:
* dvi/mdvi-lib/fontmap.h:
* dvi/mdvi-lib/fontsrch.c:
* dvi/mdvi-lib/gf.c:
* dvi/mdvi-lib/hash.c:
* dvi/mdvi-lib/hash.h:
* dvi/mdvi-lib/list.c:
* dvi/mdvi-lib/mdvi.h:
* dvi/mdvi-lib/pagesel.c:
* dvi/mdvi-lib/paper.c:
* dvi/mdvi-lib/paper.h:
* dvi/mdvi-lib/pk.c:
* dvi/mdvi-lib/private.h:
* dvi/mdvi-lib/setup.c:
* dvi/mdvi-lib/sp-epsf.c:
* dvi/mdvi-lib/special.c:
* dvi/mdvi-lib/sysdeps.h:
* dvi/mdvi-lib/t1.c:
* dvi/mdvi-lib/tfm.c:
* dvi/mdvi-lib/tfmfile.c:
* dvi/mdvi-lib/tt.c:
* dvi/mdvi-lib/util.c:
* dvi/mdvi-lib/vf.c:
* dvi/pixbuf-device.c:
* dvi/pixbuf-device.h:
* impress/Makefile.am:
* impress/common.h:
* impress/document.c:
* impress/f_oasis.c:
* impress/f_oo13.c:
* impress/iksemel.c:
* impress/iksemel.h:
* impress/imposter.h:
* impress/impress-document.c:
* impress/impress-document.h:
* impress/internal.h:
* impress/r_back.c:
* impress/r_draw.c:
* impress/r_geometry.c:
* impress/r_gradient.c:
* impress/r_style.c:
* impress/r_text.c:
* impress/render.c:
* impress/render.h:
* impress/zip.c:
* impress/zip.h:
* lib/Makefile.am:
* lib/ev-debug.c:
* lib/ev-debug.h:
* lib/ev-file-helpers.c:
* lib/ev-file-helpers.h:
* lib/ev-gui.c:
* lib/ev-gui.h:
* lib/ev-tooltip.c:
* lib/ev-tooltip.h:
* libdocument/Makefile.am:
* libdocument/ev-file-helpers.c:
* pdf/Makefile.am:
* pdf/ev-poppler.cc:
* pdf/ev-poppler.h:
* pixbuf/Makefile.am:
* pixbuf/pixbuf-document.c:
* pixbuf/pixbuf-document.h:
* properties/Makefile.am:
* ps/Makefile.am:
* ps/gsdefaults.c:
* ps/gsdefaults.h:
* ps/gsio.c:
* ps/gsio.h:
* ps/gstypes.h:
* ps/ps-document.c:
* ps/ps-document.h:
* ps/ps.c:
* ps/ps.h:
* shell/Makefile.am:
* shell/ev-application.h:
* shell/ev-sidebar-links.c:
* shell/ev-sidebar-links.h:
* shell/ev-utils.c: (ev_gui_sanitise_popup_position),
(ev_gui_menu_position_tree_selection):
* shell/ev-utils.h:
* shell/ev-view.c: (ev_view_finalize):
* shell/ev-window.c:
* shell/main.c: (main):
* thumbnailer/Makefile.am:
* tiff/Makefile.am:
* tiff/tiff-document.c:
* tiff/tiff-document.h:
* tiff/tiff2ps.c:
* tiff/tiff2ps.h:
Reorganize source tree.
svn path=/trunk/; revision=2197
Diffstat (limited to 'backend/dvi/pixbuf-device.c')
-rw-r--r-- | backend/dvi/pixbuf-device.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/backend/dvi/pixbuf-device.c b/backend/dvi/pixbuf-device.c new file mode 100644 index 0000000..1ef4365 --- /dev/null +++ b/backend/dvi/pixbuf-device.c @@ -0,0 +1,220 @@ +#include "pixbuf-device.h" +#include <gtk/gtk.h> + +typedef struct _DviPixbufDevice +{ + GdkPixbuf *pixbuf; + + gboolean valid; + + gint xmargin; + gint ymargin; + + Ulong fg; + Ulong bg; + +} DviPixbufDevice; + +static void dvi_pixbuf_draw_rule(DviContext *dvi, int x, int y, Uint w, Uint h, int fill); + +static void dvi_pixbuf_draw_glyph(DviContext *dvi, DviFontChar *ch, int x0, int y0) +{ + DviPixbufDevice *c_device = (DviPixbufDevice *) dvi->device.device_data; + + int x, y, w, h; + int isbox; + DviGlyph *glyph; + + glyph = &ch->grey; + + isbox = (glyph->data == NULL || (dvi->params.flags & MDVI_PARAM_CHARBOXES)); + + x = - glyph->x + x0 + c_device->xmargin; + y = - glyph->y + y0 + c_device->ymargin; + w = glyph->w; + h = glyph->h; + + if (x < 0 || y < 0 + || x + w > gdk_pixbuf_get_width (c_device->pixbuf) + || y + h > gdk_pixbuf_get_height (c_device->pixbuf)) + return; + + if (isbox) { + dvi_pixbuf_draw_rule(dvi, x - c_device->xmargin, y - c_device->ymargin, w, h, FALSE); + } + else { + gdk_pixbuf_copy_area (GDK_PIXBUF (glyph->data), + 0, 0, + w, h, + c_device->pixbuf, x, y); + } +} + +static void dvi_pixbuf_draw_rule(DviContext *dvi, int x, int y, Uint w, Uint h, int fill) +{ + DviPixbufDevice *c_device = (DviPixbufDevice *) dvi->device.device_data; + gint rowstride; + guchar *p; + gint i, j; + gint red, green, blue; + + red = (c_device->fg >> 16) & 0xff; + green = (c_device->fg >> 8) & 0xff; + blue = c_device->fg & 0xff; + + x += c_device->xmargin; y += c_device->ymargin; + + if (x < 0 || y < 0 + || x + w > gdk_pixbuf_get_width (c_device->pixbuf) + || y + h > gdk_pixbuf_get_height (c_device->pixbuf)) + return; + + rowstride = gdk_pixbuf_get_rowstride (c_device->pixbuf); + p = gdk_pixbuf_get_pixels (c_device->pixbuf) + rowstride * y + 3 * x; + + for (i = 0; i < h; i++) { + if (i == 0 || i == h - 1 || fill) { + for (j = 0; j < w; j++) { + p[j * 3] = red; + p[j * 3 + 1] = green; + p[j * 3 + 2] = blue; + } + } else { + p[0] = red; + p[1] = green; + p[2] = blue; + p[(w - 1) * 3] = red; + p[(w - 1) * 3 + 1] = green; + p[(w - 1) * 3 + 2] = blue; + } + p += rowstride; + } +} + +static int dvi_pixbuf_interpolate_colors(void *device_data, + Ulong *pixels, int nlevels, Ulong fg, Ulong bg, double g, int density) +{ + double frac; + GdkColor color, color_fg, color_bg; + int i, n; + + color_bg.red = (bg >> 16) & 0xff; + color_bg.green = (bg >> 8) & 0xff; + color_bg.blue = bg & 0xff; + + color_fg.red = fg >> 16 & 0xff; + color_fg.green = fg >> 8 & 0xff; + color_fg.blue = fg & 0xff; + + n = nlevels - 1; + for(i = 0; i < nlevels; i++) { + if(g > 0) + frac = pow((double)i / n, 1 / g); + else + frac = 1 - pow((double)(n - i) / n, -g); + color.red = frac * ((double)color_fg.red - color_bg.red) + color_bg.red; + color.green = frac * ((double)color_fg.green - color_bg.green) + color_bg.green; + color.blue = frac * ((double)color_fg.blue - color_bg.blue) + color_bg.blue; + + pixels[i] = (color.red << 16) + (color.green << 8) + color.blue + 0xff000000; + } + + return nlevels; +} + +static void *dvi_pixbuf_create_image(void *device_data, Uint w, Uint h, Uint bpp) +{ + + return gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, w, h); + + return NULL; +} + +static void dvi_pixbuf_free_image(void *ptr) +{ + g_object_unref (GDK_PIXBUF(ptr)); +} + +static void dvi_pixbuf_put_pixel(void *image, int x, int y, Ulong color) +{ + guchar *p; + + p = gdk_pixbuf_get_pixels (GDK_PIXBUF(image)) + y * gdk_pixbuf_get_rowstride(GDK_PIXBUF(image)) + x * 3; + + p[0] = (color >> 16) & 0xff; + p[1] = (color >> 8) & 0xff; + p[2] = color & 0xff; +} + +static void dvi_pixbuf_set_color(void *device_data, Ulong fg, Ulong bg) +{ + DviPixbufDevice *c_device = (DviPixbufDevice *) device_data; + + c_device->fg = fg; + + return; +} + +void mdvi_pixbuf_device_init (DviDevice *device) +{ + device->device_data = + g_new0 (DviPixbufDevice, 1); + + device->draw_glyph = dvi_pixbuf_draw_glyph; + device->draw_rule = dvi_pixbuf_draw_rule; + device->alloc_colors = dvi_pixbuf_interpolate_colors; + device->create_image = dvi_pixbuf_create_image; + device->free_image = dvi_pixbuf_free_image; + device->put_pixel = dvi_pixbuf_put_pixel; + device->set_color = dvi_pixbuf_set_color; + device->refresh = NULL; + + return; +} + +void mdvi_pixbuf_device_free (DviDevice *device) +{ + DviPixbufDevice *c_device = (DviPixbufDevice *) device->device_data; + + if (c_device->pixbuf) + g_object_unref (c_device->pixbuf); + + g_free (c_device); +} + +GdkPixbuf * +mdvi_pixbuf_device_get_pixbuf (DviDevice *device) +{ + DviPixbufDevice *c_device = (DviPixbufDevice *) device->device_data; + + return g_object_ref (c_device->pixbuf); +} + +void +mdvi_pixbuf_device_render (DviContext * dvi) +{ + DviPixbufDevice *c_device = (DviPixbufDevice *) dvi->device.device_data; + gint page_width; + gint page_height; + + if (c_device->pixbuf) + g_object_unref (c_device->pixbuf); + + page_width = dvi->dvi_page_w * dvi->params.conv + 2 * c_device->xmargin; + page_height = dvi->dvi_page_h * dvi->params.vconv + 2 * c_device->ymargin; + + c_device->pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, page_width, page_height); + gdk_pixbuf_fill (c_device->pixbuf, 0xffffffff); + + mdvi_dopage (dvi, dvi->currpage); +} + + +void +mdvi_pixbuf_device_set_margins (DviDevice *device, gint xmargin, gint ymargin) +{ + DviPixbufDevice *c_device = (DviPixbufDevice *) device->device_data; + + c_device->xmargin = xmargin; + c_device->ymargin = ymargin; +} |