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-rw-r--r--desktop/plot_style.h72
1 files changed, 57 insertions, 15 deletions
diff --git a/desktop/plot_style.h b/desktop/plot_style.h
index 76843fad4..3b74a4efd 100644
--- a/desktop/plot_style.h
+++ b/desktop/plot_style.h
@@ -17,7 +17,7 @@
*/
/** \file
- * Ploter styles.
+ * Plotter styles.
*/
#ifndef _NETSURF_DESKTOP_PLOT_STYLE_H_
@@ -27,27 +27,27 @@
#define WIDGET_BASEC 0xd9d9d9
#define WIDGET_BLOBC 0x000000
-/* Darken a colour by taking three quaters of each channels intensity */
+/* Darken a colour by taking three quarters of each channel's intensity */
#define darken_colour(c1) \
((((3 * (c1 >> 16)) >> 2) << 16) | \
(((3 * ((c1 >> 8) & 0xff)) >> 2) << 8) | \
(((3 * (c1 & 0xff)) >> 2) << 0))
-/* Darken a colour by taking nine sixteenths of each channels intensity */
+/* Darken a colour by taking nine sixteenths of each channel's intensity */
#define double_darken_colour(c1) \
((((9 * (c1 >> 16)) >> 4) << 16) | \
(((9 * ((c1 >> 8) & 0xff)) >> 4) << 8) | \
(((9 * (c1 & 0xff)) >> 4) << 0))
-/* Lighten a colour by taking three quaters of each channels intensity
- * and adding a full quater
+/* Lighten a colour by taking three quarters of each channel's intensity
+ * and adding a full quarter
*/
#define lighten_colour(c1) \
(((((3 * (c1 >> 16)) >> 2) + 64) << 16) | \
((((3 * ((c1 >> 8) & 0xff)) >> 2) + 64) << 8) | \
((((3 * (c1 & 0xff)) >> 2) + 64) << 0))
-/* Lighten a colour by taking nine sixteenths of each channels intensity and
+/* Lighten a colour by taking nine sixteenths of each channel's intensity and
* adding a full intensity 7/16ths */
#define double_lighten_colour(c1) \
(((((9 * (c1 >> 16)) >> 4) + 112) << 16) | \
@@ -62,21 +62,60 @@
(((((c0 >> 8) & 0xff) + ((c1 >> 8) & 0xff)) >> 1) << 8) | \
((((c0 & 0xff) + (c1 & 0xff)) >> 1) << 0)
+/**
+ * Type of plot operation
+ */
typedef enum {
- PLOT_OP_TYPE_NONE = 0, /**< No operation */
- PLOT_OP_TYPE_SOLID, /**< Solid colour */
- PLOT_OP_TYPE_DOT, /**< Doted plot */
- PLOT_OP_TYPE_DASH, /**< dashed plot */
+ PLOT_OP_TYPE_NONE = 0, /**< No operation */
+ PLOT_OP_TYPE_SOLID, /**< Solid colour */
+ PLOT_OP_TYPE_DOT, /**< Dotted plot */
+ PLOT_OP_TYPE_DASH, /**< Dashed plot */
} plot_operation_type_t;
+/**
+ * Plot style for stroke/fill plotters
+ */
typedef struct {
- plot_operation_type_t stroke_type;
- int stroke_width;
- colour stroke_colour;
- plot_operation_type_t fill_type;
- colour fill_colour;
+ plot_operation_type_t stroke_type; /**< Stroke plot type */
+ int stroke_width; /**< Width of stroke, in pixels */
+ colour stroke_colour; /**< Colour of stroke */
+ plot_operation_type_t fill_type; /**< Fill plot type */
+ colour fill_colour; /**< Colour of fill */
} plot_style_t;
+/**
+ * Generic font family type
+ */
+typedef enum {
+ PLOT_FONT_FAMILY_SANS_SERIF = 0,
+ PLOT_FONT_FAMILY_SERIF,
+ PLOT_FONT_FAMILY_MONOSPACE,
+ PLOT_FONT_FAMILY_CURSIVE,
+ PLOT_FONT_FAMILY_FANTASY,
+ PLOT_FONT_FAMILY_COUNT /**< Number of generic families */
+} plot_font_generic_family_t;
+
+/**
+ * Font plot flags
+ */
+typedef unsigned long plot_font_flags_t;
+#define FONTF_NONE 0
+#define FONTF_ITALIC 1
+#define FONTF_OBLIQUE 2
+#define FONTF_SMALLCAPS 4
+
+/**
+ * Font style for plotting
+ */
+typedef struct {
+ plot_font_generic_family_t family; /**< Generic family to plot with */
+ int size; /**< Font size, in points */
+ int weight; /**< Font weight: value in range [100,900] as per CSS */
+ plot_font_flags_t flags; /**< Font flags */
+ colour background; /**< Background colour to blend to, if appropriate */
+ colour foreground; /**< Colour of text */
+} plot_font_style_t;
+
/* global fill styles */
extern plot_style_t *plot_style_fill_white;
extern plot_style_t *plot_style_fill_red;
@@ -98,4 +137,7 @@ extern plot_style_t *plot_style_stroke_wblobc;
extern plot_style_t *plot_style_stroke_darkwbasec;
extern plot_style_t *plot_style_stroke_lightwbasec;
+/* Default font style */
+extern plot_font_style_t const * const plot_style_font;
+
#endif