font.c: surface_bound, more beautify

1 files changed, 70 insertions, 21 deletions

diff --git a/csrc/font.c b/csrc/font.c
index 6489863..9a824b5 100644
--- a/csrc/font.c
+++ b/csrc/font.c
@@ -3,7 +3,8 @@
 
 HFONT gFont; // 0x4762d0
 int gFontHeight; // 0x4762d4
-uint32_t gfa[4]; // 0x4762d8, 0x4762dc, 0x4762e0, 0x4762e4
+uint32_t gfa[2]; // 0x4762d8, 0x4762dc
+COLORREF txt_colors[2]; // 0x4762e0, 0x4762e4
 const char tfname[] = "\xb2\xd3\xa9\xfa\xc5\xe9"; // 0x4660a0, typeface name, BIG5:细明体
 
 static inline uint32_t swapbytes3(uint32_t x)
@@ -14,8 +15,8 @@ static inline uint32_t swapbytes3(uint32_t x)
 /* 0x0044f9d8 */
 HFONT create_some_font(int a0, uint32_t a1, uint32_t a2, uint32_t a3, uint32_t a4)
 {
-  gfa[2] = swapbytes3(a1);
-  gfa[3] = swapbytes3(a2);
+  txt_colors[0] = swapbytes3(a1);
+  txt_colors[1] = swapbytes3(a2);
   gfa[0] = a3;
   gfa[1] = a4;
   int weight = (a3==2)?400:700;
@@ -45,6 +46,54 @@ void drawStringY(HDC hdc, int nXStart, int nYStart, LPCSTR str)
 	}
 }
 
+void surface_bound(uint16_t *lpSurface, RECT *dim1, RECT *dim2)
+{
+	j_min = 10000;
+	i_min = 10000;
+	j_max = -10000;
+	i_max = -10000;
+
+
+	for (int i = 0; i < dim1->bottom; i++) {
+		int t = 0;
+		for (int j = dim1->left; j < dim1->right; j++) {
+			if (lpSurface[t+j] != 0) {
+				if (j < j_min)
+					j_min = j;
+
+				if (i < i_min)
+					i_min = i;
+
+				if (j > j_max)
+					j_max = j;
+
+				if (i > i_max)
+					i_max = i;
+			}
+		}
+		t += 0x200;
+	}
+
+	if (j_min == 10000) {
+		dim2->top = dim2->left = dim2->right = dim2->bottom = 0;
+	} else {
+		dim2->left = j_min;
+		dim2->top = i_min;
+		dim2->right = j_max
+		dim2->bottom = i_max;
+	}
+}
+
+void fcn_4564e6(void *sf, int a1, int a2, int a3, int a4, int a5, int a6, int a7)
+{
+	fcn.00455fd9(640, sf, a1, a2, a3, a4, a5, a6, a7, 1);
+}
+
+void fcn_456495(void *sf, int a1, int a2, int a3, int a4, int a5, int a6, int a7)
+{
+	fcn.00455fd9(640, sf, a1, a2, a3, a4, a5, a6, a7, 0);
+}
+
 void draw_some_text(a1, const char *str, int a3, int a4, int a5)
 {
 	DDSURFACEDESC desc; /* esp */
@@ -83,7 +132,7 @@ void draw_some_text(a1, const char *str, int a3, int a4, int a5)
 	}
 	uint8_t dh = gfa[0];
 	if ( (dh & 1) != 0 ) {
-		SetTextColor(hDC, dw_4762e4);
+		SetTextColor(hDC, txt_colors[1]);
 		fmt_dim1.left = 1;
 		fmt_dim1.top = 1;
 		if (a5 >= 4) {
@@ -98,7 +147,7 @@ void draw_some_text(a1, const char *str, int a3, int a4, int a5)
 			drawStringY(hDC, 1, 1, str);
 		}
 	} else if ( (dh & 4) != 0 ) {
-		SetTextColor(hDC, dw_4762e4);
+		SetTextColor(hDC, txt_colors[1]);
 		if (a5 == 3) {
 			drawStringY(hDC, 1, 0, str);
 			drawStringY(hDC, 1, 2, str);
@@ -129,7 +178,7 @@ void draw_some_text(a1, const char *str, int a3, int a4, int a5)
 		}
 	}
 
-	SetTextColor(hDC, dw_4762e0);
+	SetTextColor(hDC, txt_colors[0]);
 	if ( ((uint8_t)gfa[0] & 4) != 0 ) {
 		edi = 1;
 		fmt_dim1.left = 1;
@@ -156,30 +205,30 @@ void draw_some_text(a1, const char *str, int a3, int a4, int a5)
 	desc.dwSize = 0x6c;
 	IDirectDrawSurface_Lock(pddrawsf3, NULL, &desc, 1, 0);
 
-	fcn.0044f70c(desc.lpSurface, &fmt_dim2, &fmt_dim1);
-	esi = fmt_dim1.right - fmt_dim1.left + 1;
-	ebx = fmt_dim1.bottom - fmt_dim1.top + 1;
+	surface_bound(desc.lpSurface, &fmt_dim2, &fmt_dim1);
+	int width = fmt_dim1.right - fmt_dim1.left + 1;
+	int height = fmt_dim1.bottom - fmt_dim1.top + 1;
 	dw_4762f0 = desc.lpSurface;
 	eax = a5-1;
 	switch (eax) {
 		case 0:
-			a3 -= esi;
+			a3 -= width;
 			break;
 		case 1:
 		case 2:
 		case 3:
-			a3 -= esi / 2;
+			a3 -= width / 2;
 			/* fall through */
 		case 4:
-			a4 -= ebx / 2;
+			a4 -= height / 2;
 			break;
 		case 5:
-			a3 -= esi;
-			a4 -= ebx / 2;
+			a3 -= width;
+			a4 -= height / 2;
 			break;
 		case 6:
-			a3 -= esi / 2;
-			a4 -= ebx;
+			a3 -= width / 2;
+			a4 -= height;
 			break;
 		default:
 			break;
@@ -187,17 +236,17 @@ void draw_some_text(a1, const char *str, int a3, int a4, int a5)
 
 	if ( ((uint8_t)gfa[0] & 8) != 0) {
 		if (!a1) {
-			fcn.004564e6(sfdesc1.lpSurface, 0x4762e8, a3, a4, fmt_dim1.left, fmt_dim1.top, esi, ebx);
+			fcn_4564e6(sfdesc1.lpSurface, 0x4762e8, a3, a4, fmt_dim1.left, fmt_dim1.top, width, height);
 		} else {
-			fcn.00456356(a1, 0x4762e8, a3, a4, fmt_dim1.left, fmt_dim1.top, esi, ebx);
+			fcn.00456356(a1, 0x4762e8, a3, a4, fmt_dim1.left, fmt_dim1.top, width, height);
 		}
 	} else {
 		if (!a1) {
-			fcn.00456495(sfdesc1.lpSurface, 0x4762e8, a3, a4, fmt_dim1.left, fmt_dim1.top, esi, ebx);
+			fcn_456495(sfdesc1.lpSurface, 0x4762e8, a3, a4, fmt_dim1.left, fmt_dim1.top, width, height);
 		} else {
-			fcn.00456328(a1, 0x4762e8, a3, a4, fmt_dim1.left, fmt_dim1.top, esi, ebx);
+			fcn.00456328(a1, 0x4762e8, a3, a4, fmt_dim1.left, fmt_dim1.top, width, height);
 		}
 	}
-	fcn.004561be(0x4762e8, fmt_dim1.left, fmt_dim1.top, esi, ebx, 0);
+	fcn.004561be(0x4762e8, fmt_dim1.left, fmt_dim1.top, width, height, 0);
 	IDirectDrawSurface_Unlock(NULL);
 }