diff options
Diffstat (limited to 'libdocument/ev-document-misc.c')
| -rw-r--r-- | libdocument/ev-document-misc.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/libdocument/ev-document-misc.c b/libdocument/ev-document-misc.c new file mode 100644 index 0000000..fd6f449 --- /dev/null +++ b/libdocument/ev-document-misc.c @@ -0,0 +1,141 @@ + +#include "ev-document-misc.h" +#include <string.h> +#include <gtk/gtk.h> + +/* Returns a new GdkPixbuf that is suitable for placing in the thumbnail view. + * It is four pixels wider and taller than the source. If source_pixbuf is not + * NULL, then it will fill the return pixbuf with the contents of + * source_pixbuf. + */ + +GdkPixbuf * +ev_document_misc_get_thumbnail_frame (int width, + int height, + int rotation, + GdkPixbuf *source_pixbuf) +{ + GdkPixbuf *retval; + guchar *data; + gint rowstride; + int i; + int width_r, height_r; + + rotation = rotation % 360; + + + if (source_pixbuf) + g_return_val_if_fail (GDK_IS_PIXBUF (source_pixbuf), NULL); + + if (source_pixbuf) { + width_r = gdk_pixbuf_get_width (source_pixbuf); + height_r = gdk_pixbuf_get_height (source_pixbuf); + } else { + if (rotation == 0 || rotation == 180) { + width_r = width; + height_r = height; + } else if (rotation == 90 || rotation == 270) { + width_r = height; + height_r = width; + } else { + g_assert_not_reached (); + } + } + + /* make sure no one is passing us garbage */ + g_assert (width_r >= 0 && height_r >= 0); + + retval = gdk_pixbuf_new (GDK_COLORSPACE_RGB, + TRUE, 8, + width_r + 4, + height_r + 4); + + /* make it black and fill in the middle */ + data = gdk_pixbuf_get_pixels (retval); + rowstride = gdk_pixbuf_get_rowstride (retval); + + gdk_pixbuf_fill (retval, 0x000000ff); + for (i = 1; i < height_r + 1; i++) + memset (data + (rowstride * i) + 4, 0xffffffff, width_r * 4); + + /* copy the source pixbuf */ + if (source_pixbuf) + gdk_pixbuf_copy_area (source_pixbuf, 0, 0, + width_r, + height_r, + retval, + 1, 1); + /* Add the corner */ + data [(width_r + 2) * 4 + 3] = 0; + data [(width_r + 3) * 4 + 3] = 0; + data [(width_r + 2) * 4 + (rowstride * 1) + 3] = 0; + data [(width_r + 3) * 4 + (rowstride * 1) + 3] = 0; + + data [(height_r + 2) * rowstride + 3] = 0; + data [(height_r + 3) * rowstride + 3] = 0; + data [(height_r + 2) * rowstride + 4 + 3] = 0; + data [(height_r + 3) * rowstride + 4 + 3] = 0; + + return retval; +} + +void +ev_document_misc_get_page_border_size (gint page_width, + gint page_height, + GtkBorder *border) +{ + g_assert (border); + + border->left = 1; + border->top = 1; + if (page_width < 100) { + border->right = 2; + border->bottom = 2; + } else if (page_width < 500) { + border->right = 3; + border->bottom = 3; + } else { + border->right = 4; + border->bottom = 4; + } +} + + +void +ev_document_misc_paint_one_page (GdkDrawable *drawable, + GtkWidget *widget, + GdkRectangle *area, + GtkBorder *border, + gboolean highlight) +{ + gdk_draw_rectangle (drawable, + highlight ? + widget->style->text_gc[widget->state] : widget->style->dark_gc[widget->state], + TRUE, + area->x, + area->y, + area->width, + area->height); + gdk_draw_rectangle (drawable, + widget->style->white_gc, + TRUE, + area->x + border->left, + area->y + border->top, + area->width - (border->left + border->right), + area->height - (border->top + border->bottom)); + gdk_draw_rectangle (drawable, + widget->style->mid_gc[widget->state], + TRUE, + area->x, + area->y + area->height - (border->bottom - border->top), + border->bottom - border->top, + border->bottom - border->top); + gdk_draw_rectangle (drawable, + widget->style->mid_gc[widget->state], + TRUE, + area->x + area->width - (border->right - border->left), + area->y, + border->right - border->left, + border->right - border->left); + +} |