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Correct proportional font

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This commit is contained in:
asava 2020-04-22 02:27:01 +03:00
parent 59314b67f0
commit f764a27a9a
2 changed files with 10 additions and 10 deletions
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2
rEFIt_UEFI/libeg/XTheme.h
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@ -137,7 +137,7 @@ public:
//fonts
void LoadFontImage(IN BOOLEAN UseEmbedded, IN INTN Rows, IN INTN Cols);
void PrepareFont();
INTN GetEmpty(const XImage& Buffer, const EFI_GRAPHICS_OUTPUT_BLT_PIXEL& FirstPixel, INTN Start, INTN Step);
INTN GetEmpty(const XImage& Buffer, const EFI_GRAPHICS_OUTPUT_BLT_PIXEL& FirstPixel, INTN MaxWidth, INTN Start, INTN Step);
INTN RenderText(IN const XStringW& Text, OUT XImage* CompImage_ptr,
IN INTN PosX, IN INTN PosY, IN UINTN Cursor, INTN textType, float textScale = 0.f);
//overload for UTF8 text

18
rEFIt_UEFI/libeg/text.cpp
View File

@ -219,14 +219,14 @@ inline bool SamePix(const EFI_GRAPHICS_OUTPUT_BLT_PIXEL& Ptr, const EFI_GRAPHICS
//used for proportional fonts in raster themes
//search empty column from begin Step=1 or from end Step=-1 in the input buffer
// empty means similar to FirstPixel
INTN XTheme::GetEmpty(const XImage& Buffer, const EFI_GRAPHICS_OUTPUT_BLT_PIXEL& FirstPixel, INTN Start, INTN Step)
INTN XTheme::GetEmpty(const XImage& Buffer, const EFI_GRAPHICS_OUTPUT_BLT_PIXEL& FirstPixel, INTN MaxWidth, INTN Start, INTN Step)
{
INTN m, i;
// INTN Shift = (Step > 0)?0:1;
m = FontWidth;
m = MaxWidth;
if (Step == 1) {
for (INTN j = 0; j < FontHeight; j++) {
for (i = 0; i < FontWidth; i++) {
for (i = 0; i < MaxWidth; i++) {
if (!SamePix(Buffer.GetPixel(Start + i,j), FirstPixel)) { //found not empty pixel
break;
}
@ -235,14 +235,14 @@ INTN XTheme::GetEmpty(const XImage& Buffer, const EFI_GRAPHICS_OUTPUT_BLT_PIXEL&
if (m == 0) break;
}
} else { // go back
m = 0;
for (INTN j = 0; j < FontHeight; j++) {
for (i = FontWidth - 1; i >= 0; --i) {
if (!SamePix(Buffer.GetPixel(Start + i,j), FirstPixel)) { //found not empty pixel
for (i = 1; i <= MaxWidth; i++) {
if (!SamePix(Buffer.GetPixel(Start - i,j), FirstPixel)) { //found not empty pixel
break;
}
}
m = MAX(m, i); //for each line to find minimum
m = MIN(m, i); //for each line to find minimum
if (m == 0) break;
}
}
return m;
@ -319,13 +319,13 @@ INTN XTheme::RenderText(IN const XStringW& Text, OUT XImage* CompImage_ptr,
if (c0 <= 0x20) { // space before or at buffer edge
LeftSpace = 2;
} else {
LeftSpace = GetEmpty(CompImage, FirstPixel, PosX, -1);
LeftSpace = GetEmpty(CompImage, FirstPixel, RealWidth, PosX, -1);
}
if (c <= 0x20) { //new space will be half font width
RightSpace = 1;
RealWidth = (CharScaledWidth >> 1) + 1;
} else {
RightSpace = GetEmpty(FontImage, FontPixel, c * FontWidth, 1); //not scaled yet
RightSpace = GetEmpty(FontImage, FontPixel, FontWidth, c * FontWidth, 1); //not scaled yet
if (RightSpace >= FontWidth) {
RightSpace = 0; //empty place for invisible characters
}