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-rw-r--r--src/sim/cdfontex.c669
1 files changed, 669 insertions, 0 deletions
diff --git a/src/sim/cdfontex.c b/src/sim/cdfontex.c
new file mode 100644
index 0000000..699b06f
--- /dev/null
+++ b/src/sim/cdfontex.c
@@ -0,0 +1,669 @@
+/** \file
+ * \brief Font Properties Estimation
+ *
+ * See Copyright Notice in cd.h
+ */
+
+
+#include "cd.h"
+#include "cd_private.h"
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct _cd_font_styles
+{
+ unsigned char s[4];
+}cd_font_styles;
+
+static cd_font_styles helv[256] = {
+{0, 0, 0, 0},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{30, 30, 30, 30},
+{30, 30, 30, 35},
+{35, 50, 35, 50},
+{55, 55, 55, 55},
+{55, 55, 55, 55},
+{90, 85, 90, 90},
+{70, 75, 70, 75},
+{20, 25, 20, 25},
+{35, 35, 35, 35},
+{35, 35, 35, 35},
+{40, 40, 40, 40},
+{60, 60, 60, 60},
+{30, 30, 30, 30},
+{35, 35, 35, 35},
+{30, 30, 30, 30},
+{30, 30, 30, 30},
+{55, 55, 55, 55},
+{55, 55, 55, 55},
+{55, 55, 55, 55},
+{55, 55, 55, 55},
+{55, 55, 55, 55},
+{55, 55, 55, 55},
+{55, 55, 55, 55},
+{55, 55, 55, 55},
+{55, 55, 55, 55},
+{55, 55, 55, 55},
+{30, 35, 30, 35},
+{30, 35, 30, 35},
+{60, 60, 60, 60},
+{60, 60, 60, 60},
+{60, 60, 60, 60},
+{55, 65, 55, 60},
+{100, 100, 100, 100},
+{65, 70, 70, 75},
+{70, 70, 70, 70},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{70, 65, 70, 70},
+{60, 60, 65, 65},
+{80, 80, 80, 80},
+{70, 70, 75, 75},
+{25, 30, 30, 30},
+{50, 55, 55, 55},
+{70, 75, 70, 75},
+{55, 65, 55, 65},
+{80, 85, 85, 90},
+{70, 70, 75, 75},
+{80, 80, 80, 80},
+{65, 70, 70, 70},
+{80, 80, 80, 80},
+{75, 70, 75, 75},
+{70, 70, 70, 70},
+{60, 65, 65, 65},
+{70, 70, 75, 75},
+{65, 70, 70, 70},
+{100, 95, 100, 95},
+{65, 70, 70, 70},
+{65, 65, 70, 65},
+{60, 60, 65, 65},
+{30, 35, 30, 35},
+{30, 30, 30, 30},
+{30, 35, 30, 35},
+{45, 60, 50, 60},
+{55, 55, 55, 55},
+{35, 35, 35, 35},
+{55, 60, 55, 60},
+{55, 65, 60, 65},
+{55, 55, 55, 55},
+{55, 65, 55, 60},
+{55, 60, 55, 55},
+{30, 35, 30, 35},
+{55, 65, 55, 60},
+{55, 65, 55, 65},
+{25, 30, 25, 30},
+{25, 30, 25, 30},
+{50, 60, 55, 60},
+{25, 30, 25, 30},
+{85, 90, 85, 90},
+{55, 65, 55, 65},
+{55, 65, 55, 65},
+{55, 65, 55, 60},
+{55, 65, 55, 65},
+{35, 40, 35, 40},
+{55, 55, 55, 55},
+{30, 35, 30, 35},
+{55, 65, 55, 60},
+{50, 55, 50, 55},
+{75, 80, 70, 80},
+{50, 60, 50, 55},
+{50, 55, 50, 55},
+{50, 55, 50, 50},
+{35, 40, 35, 40},
+{25, 30, 25, 30},
+{35, 40, 35, 40},
+{60, 60, 60, 60},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{25, 30, 25, 30},
+{55, 55, 55, 55},
+{35, 55, 30, 55},
+{100, 100, 100, 100},
+{55, 55, 55, 55},
+{55, 55, 55, 55},
+{35, 35, 35, 35},
+{100, 105, 100, 100},
+{70, 70, 70, 70},
+{35, 35, 35, 35},
+{100, 105, 100, 100},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{25, 30, 20, 30},
+{25, 30, 20, 30},
+{35, 55, 35, 55},
+{35, 55, 30, 55},
+{35, 35, 35, 35},
+{55, 55, 55, 55},
+{100, 100, 100, 100},
+{30, 35, 30, 35},
+{100, 100, 100, 100},
+{55, 55, 55, 55},
+{35, 35, 35, 35},
+{95, 95, 95, 95},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{65, 65, 70, 65},
+{30, 30, 30, 30},
+{30, 30, 35, 35},
+{55, 55, 55, 60},
+{55, 55, 55, 55},
+{60, 55, 60, 55},
+{55, 55, 55, 55},
+{25, 30, 25, 30},
+{55, 55, 55, 55},
+{35, 35, 35, 35},
+{75, 75, 75, 80},
+{35, 40, 40, 40},
+{55, 55, 55, 55},
+{60, 60, 60, 60},
+{35, 35, 35, 35},
+{75, 75, 75, 80},
+{55, 55, 55, 55},
+{40, 40, 40, 40},
+{55, 55, 55, 60},
+{35, 35, 35, 35},
+{35, 35, 35, 35},
+{35, 35, 35, 35},
+{60, 60, 55, 60},
+{55, 55, 55, 55},
+{30, 30, 30, 30},
+{35, 35, 35, 35},
+{35, 35, 35, 35},
+{40, 40, 40, 40},
+{55, 55, 55, 55},
+{85, 85, 85, 85},
+{85, 85, 85, 85},
+{85, 85, 85, 85},
+{60, 65, 65, 60},
+{65, 70, 70, 75},
+{65, 70, 70, 75},
+{65, 70, 70, 75},
+{65, 70, 70, 75},
+{65, 70, 70, 75},
+{65, 70, 70, 75},
+{100, 100, 100, 100},
+{75, 75, 75, 75},
+{70, 65, 70, 70},
+{70, 65, 70, 70},
+{70, 65, 70, 70},
+{70, 65, 70, 70},
+{25, 30, 30, 30},
+{25, 30, 30, 30},
+{25, 30, 30, 30},
+{25, 30, 30, 30},
+{75, 75, 75, 75},
+{70, 70, 75, 75},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{60, 60, 60, 60},
+{80, 80, 80, 80},
+{70, 70, 75, 75},
+{70, 70, 75, 75},
+{70, 70, 75, 75},
+{70, 70, 75, 75},
+{65, 65, 70, 65},
+{70, 70, 70, 70},
+{65, 65, 65, 65},
+{55, 60, 55, 60},
+{55, 60, 55, 60},
+{55, 60, 55, 60},
+{55, 60, 55, 60},
+{55, 60, 55, 60},
+{55, 60, 55, 60},
+{90, 90, 90, 90},
+{55, 55, 55, 55},
+{55, 60, 55, 55},
+{55, 60, 55, 55},
+{55, 60, 55, 55},
+{55, 60, 55, 55},
+{25, 30, 25, 30},
+{25, 30, 25, 30},
+{25, 30, 25, 30},
+{25, 30, 25, 30},
+{55, 65, 55, 60},
+{55, 65, 55, 65},
+{55, 65, 55, 65},
+{55, 65, 55, 65},
+{55, 65, 55, 65},
+{55, 65, 55, 65},
+{55, 65, 55, 65},
+{55, 55, 55, 55},
+{60, 65, 65, 60},
+{55, 65, 55, 60},
+{55, 65, 55, 60},
+{55, 65, 55, 60},
+{55, 65, 55, 60},
+{50, 55, 50, 55},
+{55, 65, 55, 65},
+{50, 55, 50, 55}
+};
+
+static cd_font_styles times[256] = {
+{0, 0, 0, 0},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{25, 25, 25, 25},
+{35, 35, 30, 35},
+{40, 55, 45, 55},
+{55, 55, 55, 50},
+{50, 55, 55, 55},
+{85, 100, 85, 85},
+{80, 85, 75, 80},
+{20, 30, 25, 30},
+{35, 35, 35, 35},
+{35, 35, 35, 35},
+{50, 55, 55, 55},
+{60, 60, 70, 60},
+{25, 25, 25, 25},
+{35, 35, 35, 35},
+{25, 25, 25, 25},
+{30, 30, 30, 30},
+{50, 55, 55, 55},
+{50, 55, 55, 55},
+{50, 55, 55, 55},
+{50, 55, 55, 55},
+{50, 55, 55, 55},
+{50, 55, 55, 55},
+{50, 55, 55, 55},
+{50, 55, 55, 55},
+{50, 55, 55, 55},
+{50, 55, 55, 55},
+{25, 35, 35, 35},
+{30, 35, 35, 35},
+{60, 60, 70, 60},
+{60, 60, 70, 60},
+{60, 60, 70, 60},
+{45, 55, 55, 55},
+{95, 95, 95, 85},
+{70, 70, 60, 70},
+{65, 70, 65, 70},
+{70, 75, 70, 70},
+{75, 75, 75, 75},
+{60, 65, 65, 70},
+{55, 60, 60, 70},
+{70, 80, 75, 75},
+{75, 80, 75, 80},
+{35, 40, 35, 40},
+{40, 55, 45, 50},
+{75, 80, 65, 70},
+{60, 65, 55, 65},
+{90, 95, 85, 90},
+{75, 75, 70, 75},
+{75, 80, 75, 75},
+{60, 65, 60, 65},
+{75, 80, 75, 75},
+{65, 75, 65, 70},
+{55, 60, 55, 55},
+{65, 65, 55, 65},
+{70, 70, 75, 75},
+{70, 70, 60, 65},
+{95, 100, 80, 90},
+{70, 70, 65, 70},
+{70, 70, 55, 65},
+{60, 65, 55, 65},
+{35, 35, 40, 35},
+{30, 30, 30, 30},
+{35, 35, 45, 35},
+{45, 60, 45, 60},
+{55, 55, 55, 55},
+{35, 35, 35, 35},
+{45, 50, 55, 55},
+{50, 55, 55, 50},
+{45, 45, 45, 45},
+{50, 55, 55, 55},
+{45, 50, 45, 45},
+{35, 35, 30, 35},
+{50, 55, 55, 50},
+{50, 55, 55, 55},
+{25, 30, 30, 30},
+{25, 35, 30, 30},
+{50, 55, 50, 55},
+{25, 30, 30, 30},
+{75, 85, 75, 80},
+{50, 55, 55, 55},
+{50, 50, 55, 50},
+{50, 55, 55, 55},
+{50, 55, 55, 55},
+{35, 45, 40, 40},
+{40, 40, 40, 40},
+{30, 35, 30, 30},
+{50, 55, 55, 55},
+{50, 50, 45, 45},
+{70, 70, 65, 70},
+{50, 50, 45, 55},
+{50, 50, 45, 45},
+{45, 45, 40, 40},
+{50, 40, 40, 35},
+{20, 25, 30, 25},
+{50, 40, 40, 35},
+{55, 55, 55, 60},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{35, 35, 35, 35},
+{50, 55, 50, 55},
+{45, 55, 55, 55},
+{100, 100, 90, 100},
+{50, 50, 55, 55},
+{50, 55, 55, 55},
+{35, 35, 35, 35},
+{100, 100, 100, 105},
+{55, 60, 55, 55},
+{35, 35, 35, 35},
+{90, 100, 95, 95},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{35, 35, 35, 35},
+{35, 35, 35, 35},
+{45, 55, 55, 55},
+{45, 55, 55, 55},
+{35, 40, 35, 35},
+{55, 55, 55, 55},
+{100, 100, 90, 100},
+{35, 35, 35, 35},
+{100, 105, 100, 100},
+{40, 40, 40, 40},
+{35, 35, 35, 35},
+{75, 75, 70, 75},
+{80, 80, 80, 80},
+{80, 80, 80, 80},
+{70, 70, 55, 65},
+{25, 25, 25, 25},
+{35, 30, 40, 35},
+{50, 55, 55, 55},
+{50, 55, 55, 55},
+{55, 55, 50, 50},
+{55, 55, 55, 55},
+{20, 25, 30, 25},
+{50, 55, 55, 55},
+{35, 40, 30, 35},
+{75, 75, 75, 75},
+{30, 30, 30, 30},
+{50, 55, 55, 55},
+{60, 60, 70, 60},
+{35, 35, 35, 35},
+{75, 75, 80, 75},
+{55, 55, 55, 55},
+{40, 40, 40, 40},
+{55, 55, 55, 55},
+{30, 30, 30, 30},
+{30, 30, 30, 30},
+{30, 35, 35, 35},
+{55, 60, 60, 60},
+{45, 55, 55, 55},
+{25, 25, 25, 25},
+{30, 35, 35, 35},
+{30, 30, 30, 30},
+{30, 35, 35, 30},
+{50, 55, 55, 55},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{75, 75, 75, 75},
+{45, 55, 50, 55},
+{70, 70, 60, 70},
+{70, 70, 60, 70},
+{70, 70, 60, 70},
+{70, 70, 60, 70},
+{70, 70, 60, 70},
+{70, 70, 60, 70},
+{90, 100, 90, 95},
+{70, 75, 70, 70},
+{60, 65, 65, 70},
+{60, 65, 65, 70},
+{60, 65, 65, 70},
+{60, 65, 65, 70},
+{35, 40, 35, 40},
+{35, 40, 35, 40},
+{35, 40, 35, 40},
+{35, 40, 35, 40},
+{75, 75, 75, 75},
+{75, 75, 70, 75},
+{75, 80, 75, 75},
+{75, 80, 75, 75},
+{75, 80, 75, 75},
+{75, 80, 75, 75},
+{75, 80, 75, 75},
+{60, 60, 70, 60},
+{75, 80, 75, 75},
+{75, 70, 75, 75},
+{75, 70, 75, 75},
+{75, 70, 75, 75},
+{75, 70, 75, 75},
+{70, 70, 55, 65},
+{60, 65, 65, 65},
+{50, 55, 55, 55},
+{45, 50, 55, 55},
+{45, 50, 55, 55},
+{45, 50, 55, 55},
+{45, 50, 55, 55},
+{45, 50, 55, 55},
+{45, 50, 55, 55},
+{70, 75, 70, 75},
+{45, 45, 45, 45},
+{45, 50, 45, 45},
+{45, 50, 45, 45},
+{45, 50, 45, 45},
+{45, 50, 45, 45},
+{30, 30, 30, 30},
+{30, 30, 30, 30},
+{30, 30, 30, 30},
+{30, 30, 30, 30},
+{55, 50, 55, 55},
+{50, 55, 55, 55},
+{50, 50, 55, 50},
+{50, 50, 55, 50},
+{50, 50, 55, 50},
+{50, 50, 55, 50},
+{50, 50, 55, 50},
+{55, 55, 55, 55},
+{55, 50, 55, 55},
+{50, 55, 55, 55},
+{50, 55, 55, 55},
+{50, 55, 55, 55},
+{50, 55, 55, 55},
+{50, 50, 45, 45},
+{55, 55, 50, 50},
+{50, 50, 45, 45}
+};
+
+
+typedef struct _cdFontType
+{
+ int max_width, line_height, ascent, descent, style, size;
+ double sizex;
+ int (*CharWidth)(char c);
+}cdFontType;
+
+
+static cdFontType font;
+
+
+static int CharWidthCourier(char c)
+{
+ (void)c;
+ return (int)(0.60 * font.sizex + 0.5);
+}
+
+
+static int CharWidthTimesRoman(char c)
+{
+ return (int)(times[(int)c].s[font.style] * font.sizex / 100 + 0.5);
+}
+
+
+static int CharWidthHelvetica(char c)
+{
+ return (int)(helv[(int)c].s[font.style] * font.sizex / 100 + 0.5);
+}
+
+
+static void cdFontEx(cdCanvas* canvas, const char* type_face, int style, int size)
+{
+ double mm_dx, mm_dy;
+ double sizey, sizex;
+
+ font.style = style;
+
+ if (size < 0)
+ {
+ double size_mm;
+ cdCanvasPixel2MM(canvas, -size, 0, &size_mm, NULL);
+ size = (int)(size_mm * CD_MM2PT + 0.5);
+ }
+
+ font.size = size;
+
+ cdCanvasPixel2MM(canvas, 1, 1, &mm_dx, &mm_dy);
+
+ sizey = ((25.4 / 72) / mm_dy) * size;
+ sizex = ((25.4 / 72) / mm_dx) * size;
+
+ font.sizex = sizex;
+
+ font.line_height = (int)(1.2 * sizey + 0.5);
+ font.ascent = (int)(0.75 * font.line_height + 0.5);
+ font.descent = (int)(0.20 * font.line_height + 0.5);
+
+ if (strcmp(type_face, "Times")==0)
+ {
+ if (style == CD_PLAIN || style == CD_BOLD)
+ font.max_width = (int)(1.05 * sizex + 0.5);
+ else
+ font.max_width = (int)(1.15 * sizex + 0.5);
+
+ font.CharWidth = CharWidthTimesRoman;
+ }
+ else if (strcmp(type_face, "Helvetica")==0)
+ {
+ if (style == CD_PLAIN || style == CD_BOLD)
+ font.max_width = (int)(1.05 * sizex + 0.5);
+ else
+ font.max_width = (int)(1.15 * sizex + 0.5);
+
+ font.CharWidth = CharWidthHelvetica;
+ }
+ else
+ {
+ if (style == CD_PLAIN || style == CD_ITALIC)
+ font.max_width = (int)(0.65 * sizex + 0.5);
+ else
+ font.max_width = (int)(0.80 * sizex + 0.5);
+
+ font.CharWidth = CharWidthCourier;
+ }
+}
+
+static void cdGetFontDimEx(int *max_width, int *line_height, int *ascent, int *descent)
+{
+ if (line_height) *line_height = font.line_height;
+ if (max_width) *max_width = font.max_width;
+ if (ascent) *ascent = font.ascent;
+ if (descent) *descent = font.descent;
+}
+
+static void cdGetTextSizeEx(const char *s, int *width, int *height)
+{
+ int i = 0, numlin = 1, max_line_width = 0, line_width = 0;
+
+ while (s[i] != '\0')
+ {
+ if (s[i] == '\n')
+ {
+ numlin++;
+ line_width = 0;
+ }
+ else
+ {
+ line_width += font.CharWidth(s[i]);
+ }
+
+ if (line_width > max_line_width)
+ max_line_width = line_width;
+
+ i++;
+ }
+
+ if (height) *height = numlin * font.line_height;
+ if (width) *width = max_line_width;
+}
+
+void cdgetfontdimEX(cdCtxCanvas* ctxcanvas, int *max_width, int *height, int *ascent, int *descent)
+{
+ cdCanvas* canvas = ((cdCtxCanvasBase*)ctxcanvas)->canvas;
+ cdFontEx(canvas, canvas->font_type_face, canvas->font_style, canvas->font_size);
+ cdGetFontDimEx(max_width, height, ascent, descent);
+}
+
+void cdgettextsizeEX(cdCtxCanvas* ctxcanvas, const char *s, int *width, int *height)
+{
+ cdCanvas* canvas = ((cdCtxCanvasBase*)ctxcanvas)->canvas;
+ cdFontEx(canvas, canvas->font_type_face, canvas->font_style, canvas->font_size);
+ cdGetTextSizeEx(s, width, height);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 06:24:35 +0000