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Diffstat (limited to 'include/netsurf/plot_style.h')
-rw-r--r--include/netsurf/plot_style.h34
1 files changed, 30 insertions, 4 deletions
diff --git a/include/netsurf/plot_style.h b/include/netsurf/plot_style.h
index 30db3663e..f1b617231 100644
--- a/include/netsurf/plot_style.h
+++ b/include/netsurf/plot_style.h
@@ -25,6 +25,8 @@
#define NETSURF_PLOT_STYLE_H
#include <stdint.h>
+#include <stdint.h>
+#include <libwapcaplet/libwapcaplet.h>
#include "netsurf/types.h"
/** light grey widget base colour */
@@ -36,8 +38,26 @@
/** Transparent colour value. */
#define NS_TRANSPARENT 0x01000000
-/** Scaling factor for font sizes */
-#define FONT_SIZE_SCALE 1024
+/** 22:10 fixed point */
+#define PLOT_STYLE_RADIX (10)
+
+/** Scaling factor for plot styles */
+#define PLOT_STYLE_SCALE (1 << PLOT_STYLE_RADIX)
+
+/* type for fixed point numbers */
+typedef int32_t plot_style_fixed;
+
+/* Convert an int to fixed point */
+#define plot_style_int_to_fixed(v) ((v) << PLOT_STYLE_RADIX)
+
+/* Convert fixed point to int */
+#define plot_style_fixed_to_int(v) ((v) >> PLOT_STYLE_RADIX)
+
+/* Convert fixed point to float */
+#define plot_style_fixed_to_float(v) (((float)v) / PLOT_STYLE_SCALE)
+
+/* Convert fixed point to double */
+#define plot_style_fixed_to_double(v) (((double)v) / PLOT_STYLE_SCALE)
/**
* Type of plot operation
@@ -55,7 +75,7 @@ typedef enum {
*/
typedef struct plot_style_s {
plot_operation_type_t stroke_type; /**< Stroke plot type */
- int stroke_width; /**< Width of stroke, in pixels */
+ plot_style_fixed 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 */
@@ -89,8 +109,14 @@ typedef enum {
* Font style for plotting
*/
typedef struct plot_font_style {
+ /**
+ * Array of pointers to font families.
+ *
+ * May be NULL. Array is NULL terminated.
+ */
+ lwc_string * const * families;
plot_font_generic_family_t family; /**< Generic family to plot with */
- int size; /**< Font size, in points * FONT_SIZE_SCALE */
+ plot_style_fixed size; /**< Font size, in pt */
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 */