* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
-#include <config.h>
-
#include "dvi-document.h"
#include "ev-document-thumbnails.h"
#include "ev-document-misc.h"
typedef struct _DviDocumentClass DviDocumentClass;
+static void dvi_document_do_color_special (DviContext *dvi, const char *prefix, const char *arg);
static void dvi_document_document_iface_init (EvDocumentIface *iface);
static void dvi_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
static void dvi_document_get_page_size (EvDocument *document,
return;
}
-static GdkPixbuf *
-dvi_document_render_pixbuf (EvDocument *document,
- EvRenderContext *rc)
+static cairo_surface_t *
+dvi_document_render (EvDocument *document,
+ EvRenderContext *rc)
{
GdkPixbuf *pixbuf;
- GdkPixbuf *rotated_pixbuf;
-
+ cairo_surface_t *surface;
+ cairo_surface_t *rotated_surface;
DviDocument *dvi_document = DVI_DOCUMENT(document);
-
gint required_width, required_height;
gint proposed_width, proposed_height;
gint xmargin = 0, ymargin = 0;
(int)((dvi_document->params->hshrink - 1) / rc->scale) + 1,
(int)((dvi_document->params->vshrink - 1) / rc->scale) + 1);
- required_width = dvi_document->base_width * rc->scale;
- required_height = dvi_document->base_height * rc->scale;
+ required_width = dvi_document->base_width * rc->scale + 0.5;
+ required_height = dvi_document->base_height * rc->scale + 0.5;
proposed_width = dvi_document->context->dvi_page_w * dvi_document->context->params.conv;
proposed_height = dvi_document->context->dvi_page_h * dvi_document->context->params.vconv;
g_mutex_unlock (dvi_context_mutex);
- rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rc->rotation);
+ /* FIXME: we should write a mdvi device based on cairo */
+ surface = ev_document_misc_surface_from_pixbuf (pixbuf);
g_object_unref (pixbuf);
- return rotated_pixbuf;
+ rotated_surface = ev_document_misc_surface_rotate_and_scale (surface,
+ required_width,
+ required_height,
+ rc->rotation);
+ cairo_surface_destroy (surface);
+
+ return rotated_surface;
}
static void
DviDocument *dvi_document = DVI_DOCUMENT(object);
g_mutex_lock (dvi_context_mutex);
- if (dvi_document->context)
- {
+ if (dvi_document->context) {
mdvi_pixbuf_device_free (&dvi_document->context->device);
mdvi_destroy_context (dvi_document->context);
- }
+ }
g_mutex_unlock (dvi_context_mutex);
if (dvi_document->params)
gobject_class->finalize = dvi_document_finalize;
mdvi_init_kpathsea("evince", MDVI_MFMODE, MDVI_FALLBACK_FONT, MDVI_DPI);
+ mdvi_register_special ("Color", "color", NULL, dvi_document_do_color_special, 1);
mdvi_register_fonts ();
dvi_context_mutex = g_mutex_new ();
iface->can_get_text = dvi_document_can_get_text;
iface->get_n_pages = dvi_document_get_n_pages;
iface->get_page_size = dvi_document_get_page_size;
- iface->render_pixbuf = dvi_document_render_pixbuf;
+ iface->render = dvi_document_render;
iface->get_info = dvi_document_get_info;
}
static void
dvi_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
- gint page,
- gint suggested_width,
+ EvRenderContext *rc,
gint *width,
gint *height)
{
- DviDocument *dvi_document = DVI_DOCUMENT (document);
- gdouble page_ratio;
-
- page_ratio = dvi_document->base_height / dvi_document->base_width;
- *width = suggested_width;
- *height = (gint) (suggested_width * page_ratio);
+ DviDocument *dvi_document = DVI_DOCUMENT (document);
+ gdouble page_width = dvi_document->base_width;
+ gdouble page_height = dvi_document->base_height;
- return;
+ if (rc->rotation == 90 || rc->rotation == 270) {
+ *width = (gint) (page_height * rc->scale);
+ *height = (gint) (page_width * rc->scale);
+ } else {
+ *width = (gint) (page_width * rc->scale);
+ *height = (gint) (page_height * rc->scale);
+ }
}
static GdkPixbuf *
-dvi_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
- gint page,
- gint rotation,
- gint width,
- gboolean border)
+dvi_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
+ EvRenderContext *rc,
+ gboolean border)
{
DviDocument *dvi_document = DVI_DOCUMENT (document);
GdkPixbuf *pixbuf;
gint thumb_width, thumb_height;
gint proposed_width, proposed_height;
- dvi_document_thumbnails_get_dimensions (document, page, width, &thumb_width, &thumb_height);
-
+ thumb_width = (gint) (dvi_document->base_width * rc->scale);
+ thumb_height = (gint) (dvi_document->base_height * rc->scale);
+
g_mutex_lock (dvi_context_mutex);
- mdvi_setpage(dvi_document->context, page);
+ mdvi_setpage (dvi_document->context, rc->page);
mdvi_set_shrink (dvi_document->context,
(int)dvi_document->base_width * dvi_document->params->hshrink / thumb_width,
g_mutex_unlock (dvi_context_mutex);
- rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rotation);
+ rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rc->rotation);
g_object_unref (pixbuf);
if (border) {
GdkPixbuf *tmp_pixbuf = rotated_pixbuf;
- rotated_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, 0, tmp_pixbuf);
+
+ rotated_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, tmp_pixbuf);
g_object_unref (tmp_pixbuf);
}
iface->get_dimensions = dvi_document_thumbnails_get_dimensions;
}
+#define RGB2ULONG(r,g,b) ((0xFF<<24)|(r<<16)|(g<<8)|(b))
+
+static gboolean
+hsb2rgb (float h, float s, float v, char *red, char *green, char *blue)
+{
+ float i, f, p, q, t, r, g, b;
+
+ if (h == 360)
+ h = 0;
+ else if ((h > 360) || (h < 0))
+ return FALSE;
+
+ s /= 100;
+ v /= 100;
+ h /= 60;
+ i = floor (h);
+ f = h - i;
+ p = v * (1 - s);
+ q = v * (1 - (s * f));
+ t = v * (1 - (s * (1 - f)));
+
+ if (i == 0) {
+ r = v;
+ g = t;
+ b = p;
+ } else if (i == 1) {
+ r = q;
+ g = v;
+ b = p;
+ } else if (i == 2) {
+ r = p;
+ g = v;
+ b = t;
+ } else if (i == 3) {
+ r = p;
+ g = q;
+ b = v;
+ } else if (i == 4) {
+ r = t;
+ g = p;
+ b = v;
+ } else if (i == 5) {
+ r = v;
+ g = p;
+ b = q;
+ }
+
+ (*red) = (char)floor(r * 255);
+ (*green) = (char)floor(g * 255);
+ (*blue) = (char)floor(b * 255);
+
+ return TRUE;
+}
+
+static void
+dvi_document_do_color_special (DviContext *dvi, const char *prefix, const char *arg)
+{
+ char *op, *color;
+
+ if (strncmp (arg, "pop", 3) == 0) {
+ mdvi_pop_color (dvi);
+ } else if (strncmp (arg, "push", 4) == 0) {
+ /* Find color source : Named, CMYK or RGB */
+ const char *tmp = arg+4;
+ while (isspace (*tmp)) tmp++;
+
+ if (!strncmp ("rgb", tmp, 3)) {
+ float r, g, b;
+ unsigned char red, green, blue;
+ sscanf (tmp+4, "%f %f %f", &r, &g, &b);
+ red = 255*r;
+ green = 255*g;
+ blue = 255*b;
+ mdvi_push_color (dvi, RGB2ULONG (red, green, blue), 0xFFFFFFFF);
+ } else if (!strncmp ("hsb", tmp, 4)) {
+ float h, s, b;
+ char red, green, blue;
+ sscanf (tmp+4, "%f %f %f", &h, &s, &b);
+
+ if (hsb2rgb (h, s, b, &red, &green, &blue))
+ mdvi_push_color (dvi, RGB2ULONG (red, green, blue), 0xFFFFFFFF);
+ } else if (!strncmp ("cmyk", tmp, 4)) {
+ double r, g, b, c, m, y, k;
+
+ sscanf (tmp+5, "%f %f %f %f", &c, &m, &y, &k);
+
+ r = 1.0 - c - k;
+ if (r < 0.0)
+ r = 0.0;
+ g = 1.0 - m - k;
+ if (g < 0.0)
+ g = 0.0;
+ b = 1.0 - y - k;
+ if (b < 0.0)
+ b = 0.0;
+ mdvi_push_color (dvi, RGB2ULONG ((char)(r*255+0.5), (char)(r*255+0.5),
+ (char)(b*255+0.5)), 0xFFFFFFFF);
+ } else {
+ GdkColor color;
+ if (gdk_color_parse (tmp, &color))
+ mdvi_push_color (dvi, RGB2ULONG (color.red*255/65535,
+ color.green*255/65535,
+ color.blue*255/65535), 0xFFFFFFFF);
+ }
+ }
+}
static void
dvi_document_init_params (DviDocument *dvi_document)
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff