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expanded font size table

This commit is contained in:
peterl%netscape.com 1998-10-13 19:17:25 +00:00
Родитель 2f06549f0b
Коммит 7cac29c2ed
4 изменённых файлов: 220 добавлений и 60 удалений
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70
content/html/style/src/nsStyleUtil.cpp
Просмотреть файл

@ -21,6 +21,8 @@
#include "nsIStyleContext.h"
#include "nsStyleConsts.h"
#include <math.h>
#define POSITIVE_SCALE_FACTOR 1.10 /* 10% */
#define NEGATIVE_SCALE_FACTOR .90 /* 10% */
@ -60,15 +62,15 @@ nscoord nsStyleUtil::CalcFontPointSize(PRInt32 aHTMLSize, PRInt32 aBasePointSize
double dFontSize;
switch(aHTMLSize) {
case 0:
dFontSize = aBasePointSize / 2;
break;
case 1:
dFontSize = 7 * aBasePointSize / 10;
break;
case 2:
dFontSize = 85 * aBasePointSize / 100;
break;
case 3:
dFontSize = aBasePointSize;
break;
case 4:
dFontSize = 12 * aBasePointSize / 10;
break;
@ -81,26 +83,48 @@ nscoord nsStyleUtil::CalcFontPointSize(PRInt32 aHTMLSize, PRInt32 aBasePointSize
case 7:
dFontSize = 3 * aBasePointSize;
break;
case 8:
dFontSize = 4 * aBasePointSize;
break;
case 3:
default:
dFontSize = aBasePointSize;
if (aHTMLSize < 1) {
dFontSize = (7 * aBasePointSize / 10) / pow(1.1, 1 - aHTMLSize);
}
else { // 7 < aHTMLSize
dFontSize = (3 * aBasePointSize) * pow(1.2, aHTMLSize - 7);
}
}
dFontSize *= aScalingFactor;
return (nscoord)dFontSize;
if (1.0 < dFontSize) {
return (nscoord)dFontSize;
}
return (nscoord)1;
}
PRInt32 nsStyleUtil::FindNextSmallerFontSize(nscoord aFontSize, PRInt32 aBasePointSize,
float aScalingFactor)
{
PRInt32 index;
for (index = 7; index > 1; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
if (CalcFontPointSize(1, aBasePointSize, aScalingFactor) < aFontSize) {
if (aFontSize <= CalcFontPointSize(7, aBasePointSize, aScalingFactor)) { // in HTML table
for (index = 7; index > 1; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
}
else { // larger than HTML table
for (index = 8; ; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor)) {
index--;
break;
}
}
}
else { // smaller than HTML table
for (index = 0; ; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor)) {
break;
}
}
return index;
}
@ -108,9 +132,25 @@ PRInt32 nsStyleUtil::FindNextLargerFontSize(nscoord aFontSize, PRInt32 aBasePoin
float aScalingFactor)
{
PRInt32 index;
for (index = 1; index < 7; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
if (CalcFontPointSize(1, aBasePointSize, aScalingFactor) <= aFontSize) {
if (aFontSize < CalcFontPointSize(7, aBasePointSize, aScalingFactor)) { // in HTML table
for (index = 1; index < 7; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
}
else { // larger than HTML table
for (index = 8; ; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
}
}
else { // smaller than HTML table
for (index = 0; ; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor)) {
index++;
break;
}
}
return index;
}

70
content/shared/src/nsStyleUtil.cpp
Просмотреть файл

@ -21,6 +21,8 @@
#include "nsIStyleContext.h"
#include "nsStyleConsts.h"
#include <math.h>
#define POSITIVE_SCALE_FACTOR 1.10 /* 10% */
#define NEGATIVE_SCALE_FACTOR .90 /* 10% */
@ -60,15 +62,15 @@ nscoord nsStyleUtil::CalcFontPointSize(PRInt32 aHTMLSize, PRInt32 aBasePointSize
double dFontSize;
switch(aHTMLSize) {
case 0:
dFontSize = aBasePointSize / 2;
break;
case 1:
dFontSize = 7 * aBasePointSize / 10;
break;
case 2:
dFontSize = 85 * aBasePointSize / 100;
break;
case 3:
dFontSize = aBasePointSize;
break;
case 4:
dFontSize = 12 * aBasePointSize / 10;
break;
@ -81,26 +83,48 @@ nscoord nsStyleUtil::CalcFontPointSize(PRInt32 aHTMLSize, PRInt32 aBasePointSize
case 7:
dFontSize = 3 * aBasePointSize;
break;
case 8:
dFontSize = 4 * aBasePointSize;
break;
case 3:
default:
dFontSize = aBasePointSize;
if (aHTMLSize < 1) {
dFontSize = (7 * aBasePointSize / 10) / pow(1.1, 1 - aHTMLSize);
}
else { // 7 < aHTMLSize
dFontSize = (3 * aBasePointSize) * pow(1.2, aHTMLSize - 7);
}
}
dFontSize *= aScalingFactor;
return (nscoord)dFontSize;
if (1.0 < dFontSize) {
return (nscoord)dFontSize;
}
return (nscoord)1;
}
PRInt32 nsStyleUtil::FindNextSmallerFontSize(nscoord aFontSize, PRInt32 aBasePointSize,
float aScalingFactor)
{
PRInt32 index;
for (index = 7; index > 1; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
if (CalcFontPointSize(1, aBasePointSize, aScalingFactor) < aFontSize) {
if (aFontSize <= CalcFontPointSize(7, aBasePointSize, aScalingFactor)) { // in HTML table
for (index = 7; index > 1; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
}
else { // larger than HTML table
for (index = 8; ; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor)) {
index--;
break;
}
}
}
else { // smaller than HTML table
for (index = 0; ; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor)) {
break;
}
}
return index;
}
@ -108,9 +132,25 @@ PRInt32 nsStyleUtil::FindNextLargerFontSize(nscoord aFontSize, PRInt32 aBasePoin
float aScalingFactor)
{
PRInt32 index;
for (index = 1; index < 7; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
if (CalcFontPointSize(1, aBasePointSize, aScalingFactor) <= aFontSize) {
if (aFontSize < CalcFontPointSize(7, aBasePointSize, aScalingFactor)) { // in HTML table
for (index = 1; index < 7; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
}
else { // larger than HTML table
for (index = 8; ; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
}
}
else { // smaller than HTML table
for (index = 0; ; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor)) {
index++;
break;
}
}
return index;
}

70
layout/html/style/src/nsStyleUtil.cpp
Просмотреть файл

@ -21,6 +21,8 @@
#include "nsIStyleContext.h"
#include "nsStyleConsts.h"
#include <math.h>
#define POSITIVE_SCALE_FACTOR 1.10 /* 10% */
#define NEGATIVE_SCALE_FACTOR .90 /* 10% */
@ -60,15 +62,15 @@ nscoord nsStyleUtil::CalcFontPointSize(PRInt32 aHTMLSize, PRInt32 aBasePointSize
double dFontSize;
switch(aHTMLSize) {
case 0:
dFontSize = aBasePointSize / 2;
break;
case 1:
dFontSize = 7 * aBasePointSize / 10;
break;
case 2:
dFontSize = 85 * aBasePointSize / 100;
break;
case 3:
dFontSize = aBasePointSize;
break;
case 4:
dFontSize = 12 * aBasePointSize / 10;
break;
@ -81,26 +83,48 @@ nscoord nsStyleUtil::CalcFontPointSize(PRInt32 aHTMLSize, PRInt32 aBasePointSize
case 7:
dFontSize = 3 * aBasePointSize;
break;
case 8:
dFontSize = 4 * aBasePointSize;
break;
case 3:
default:
dFontSize = aBasePointSize;
if (aHTMLSize < 1) {
dFontSize = (7 * aBasePointSize / 10) / pow(1.1, 1 - aHTMLSize);
}
else { // 7 < aHTMLSize
dFontSize = (3 * aBasePointSize) * pow(1.2, aHTMLSize - 7);
}
}
dFontSize *= aScalingFactor;
return (nscoord)dFontSize;
if (1.0 < dFontSize) {
return (nscoord)dFontSize;
}
return (nscoord)1;
}
PRInt32 nsStyleUtil::FindNextSmallerFontSize(nscoord aFontSize, PRInt32 aBasePointSize,
float aScalingFactor)
{
PRInt32 index;
for (index = 7; index > 1; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
if (CalcFontPointSize(1, aBasePointSize, aScalingFactor) < aFontSize) {
if (aFontSize <= CalcFontPointSize(7, aBasePointSize, aScalingFactor)) { // in HTML table
for (index = 7; index > 1; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
}
else { // larger than HTML table
for (index = 8; ; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor)) {
index--;
break;
}
}
}
else { // smaller than HTML table
for (index = 0; ; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor)) {
break;
}
}
return index;
}
@ -108,9 +132,25 @@ PRInt32 nsStyleUtil::FindNextLargerFontSize(nscoord aFontSize, PRInt32 aBasePoin
float aScalingFactor)
{
PRInt32 index;
for (index = 1; index < 7; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
if (CalcFontPointSize(1, aBasePointSize, aScalingFactor) <= aFontSize) {
if (aFontSize < CalcFontPointSize(7, aBasePointSize, aScalingFactor)) { // in HTML table
for (index = 1; index < 7; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
}
else { // larger than HTML table
for (index = 8; ; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
}
}
else { // smaller than HTML table
for (index = 0; ; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor)) {
index++;
break;
}
}
return index;
}

70
layout/style/nsStyleUtil.cpp
Просмотреть файл

@ -21,6 +21,8 @@
#include "nsIStyleContext.h"
#include "nsStyleConsts.h"
#include <math.h>
#define POSITIVE_SCALE_FACTOR 1.10 /* 10% */
#define NEGATIVE_SCALE_FACTOR .90 /* 10% */
@ -60,15 +62,15 @@ nscoord nsStyleUtil::CalcFontPointSize(PRInt32 aHTMLSize, PRInt32 aBasePointSize
double dFontSize;
switch(aHTMLSize) {
case 0:
dFontSize = aBasePointSize / 2;
break;
case 1:
dFontSize = 7 * aBasePointSize / 10;
break;
case 2:
dFontSize = 85 * aBasePointSize / 100;
break;
case 3:
dFontSize = aBasePointSize;
break;
case 4:
dFontSize = 12 * aBasePointSize / 10;
break;
@ -81,26 +83,48 @@ nscoord nsStyleUtil::CalcFontPointSize(PRInt32 aHTMLSize, PRInt32 aBasePointSize
case 7:
dFontSize = 3 * aBasePointSize;
break;
case 8:
dFontSize = 4 * aBasePointSize;
break;
case 3:
default:
dFontSize = aBasePointSize;
if (aHTMLSize < 1) {
dFontSize = (7 * aBasePointSize / 10) / pow(1.1, 1 - aHTMLSize);
}
else { // 7 < aHTMLSize
dFontSize = (3 * aBasePointSize) * pow(1.2, aHTMLSize - 7);
}
}
dFontSize *= aScalingFactor;
return (nscoord)dFontSize;
if (1.0 < dFontSize) {
return (nscoord)dFontSize;
}
return (nscoord)1;
}
PRInt32 nsStyleUtil::FindNextSmallerFontSize(nscoord aFontSize, PRInt32 aBasePointSize,
float aScalingFactor)
{
PRInt32 index;
for (index = 7; index > 1; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
if (CalcFontPointSize(1, aBasePointSize, aScalingFactor) < aFontSize) {
if (aFontSize <= CalcFontPointSize(7, aBasePointSize, aScalingFactor)) { // in HTML table
for (index = 7; index > 1; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
}
else { // larger than HTML table
for (index = 8; ; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor)) {
index--;
break;
}
}
}
else { // smaller than HTML table
for (index = 0; ; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor)) {
break;
}
}
return index;
}
@ -108,9 +132,25 @@ PRInt32 nsStyleUtil::FindNextLargerFontSize(nscoord aFontSize, PRInt32 aBasePoin
float aScalingFactor)
{
PRInt32 index;
for (index = 1; index < 7; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
if (CalcFontPointSize(1, aBasePointSize, aScalingFactor) <= aFontSize) {
if (aFontSize < CalcFontPointSize(7, aBasePointSize, aScalingFactor)) { // in HTML table
for (index = 1; index < 7; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
}
else { // larger than HTML table
for (index = 8; ; index++)
if (aFontSize < nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor))
break;
}
}
else { // smaller than HTML table
for (index = 0; ; index--)
if (aFontSize > nsStyleUtil::CalcFontPointSize(index, aBasePointSize, aScalingFactor)) {
index++;
break;
}
}
return index;
}