tobid7/renderd7
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

__

Browse Source
This commit is contained in:
tobid7
2022-07-31 10:02:29 +02:00
parent 9213a1d5dd
commit 1ae4ff72d3
4 changed files with 45 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
include/renderd7/Fonts/NFontApi.hpp
View File

@@ -111,6 +111,7 @@ namespace RenderD7
}
}
#define I2U82I(val) RenderD7::utf8_decode(RenderD7::IntToUtf8(val).c_str())
class NFontApi
{
@@ -118,12 +119,13 @@ namespace RenderD7
NFontApi();
~NFontApi();
void LoadTTF(std::string path);
std::vector<unsigned char> GetGlyphBitmap(int glyph);
unsigned char* GetGlyphBitmap(char glyph);
std::string GetStatus(){ return status; }
float GetScale() {return scale; }
int GetGlyphWidth(int glyph);
int GetGlyphHeight(int glyph);
int GetGlyphWidth(char glyph);
int GetGlyphHeight(char glyph);
int GetLineHeight(){ return l_h; }
int GetBaseHeight(){ return height; }
private:
std::string status;
@@ -138,7 +140,9 @@ namespace RenderD7
int h;
int x0,y0,x1,y1;
int ascent,baseline, decent;
int ascent,baseline,decent,linegap;
int linespace;
stbtt_fontinfo font;
};

9
include/renderd7/bmp.hpp
View File

@@ -288,19 +288,20 @@ struct BMP {
}
unsigned fill_region(uint32_t x0, uint32_t y0, uint32_t w, uint32_t h, uint8_t B, uint8_t G, uint8_t R, uint8_t A) {
if (x0 + w > (uint32_t)bmp_info_header.width || y0 + h > (uint32_t)bmp_info_header.height) {
return 59;
}
uint32_t channels = bmp_info_header.bit_count / 8;
for (uint32_t y = y0; y < y0 + h; ++y) {
for (uint32_t x = x0; x < x0 + w; ++x) {
/*if (x + w > (uint32_t)bmp_info_header.width || y + h > (uint32_t)bmp_info_header.height) {
//
}*/
//else{
data[channels * (y * bmp_info_header.width + x) + 0] = B;
data[channels * (y * bmp_info_header.width + x) + 1] = G;
data[channels * (y * bmp_info_header.width + x) + 2] = R;
if (channels == 4) {
data[channels * (y * bmp_info_header.width + x) + 3] = A;
}
//}
}
}
return 0;

15
source/BitmapPrinter.cpp
View File

@@ -348,15 +348,16 @@ void RenderD7::BitmapPrinter::DrawDebugChar(u32 posX, u32 posY, int t_size, u32
void RenderD7::BitmapPrinter::DrawChar(int posX, int posY, float t_size, u32 color, char character, RenderD7::NFontApi font)
{
for(int y = 0; y < font.GetGlyphHeight(RenderD7::utf8_decode(RenderD7::IntToUtf8((int)character).c_str())); y++)
for(int y = 0; y < font.GetGlyphHeight(character); y++)
{
char charPos = (char)font.GetGlyphBitmap(RenderD7::utf8_decode(RenderD7::IntToUtf8((int)character).c_str()))[character * font.GetGlyphHeight(RenderD7::utf8_decode(RenderD7::IntToUtf8((int)character).c_str())) + y];
for(int x = 0; x < font.GetGlyphWidth(RenderD7::utf8_decode(RenderD7::IntToUtf8((int)character).c_str())); x++)
if(((charPos >> (font.GetGlyphWidth(RenderD7::utf8_decode(RenderD7::IntToUtf8((int)character).c_str()) - 1) - x)) & 1) == 1)
for(int x = 0; x < font.GetGlyphWidth(character); x++)
{
if(((font.GetGlyphBitmap(character)[font.GetGlyphHeight(character) + y] >> (font.GetGlyphWidth(character - 1) - x)) & 1) == 1)
{
DrawPixel(posX + x + 1, posY + y + 1, UNPACK_BGRA(color));
}
}
}
}
@@ -420,14 +421,14 @@ void RenderD7::BitmapPrinter::DrawText(int x, int y, float t_size, u32 color, st
default:
//Make sure we never get out of the screen
if(line_i >= (((u32)this->bitmap.bmp_info_header.width) - (u32)x) / (u32)(font.GetGlyphWidth(RenderD7::utf8_decode(&text[i]))*t_size))
if(line_i >= (((u32)this->bitmap.bmp_info_header.width) - (u32)x) / (u32)(font.GetGlyphWidth(text[i])))
{
y += (SPACING_Y*t_size);
line_i = 1; //Little offset so we know the same text continues
if(text[i] == ' ') break; //Spaces at the start look weird
}
this->DrawChar(x + line_i * (font.GetGlyphWidth(RenderD7::utf8_decode(&text[i])*t_size)), y, t_size, color, text[i], font);
this->DrawChar(x + line_i * (font.GetGlyphWidth(text[i])), y, t_size, color, text[i], font);
line_i++;
break;

28
source/NFontApi.cpp
View File

@@ -2,6 +2,9 @@
#define STB_TRUETYPE_IMPLEMENTATION // force following include to generate implementation
#include <renderd7/external/stb_truetype.h>
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include <renderd7/external/stb_image_write.h>
RenderD7::NFontApi::NFontApi()
{
@@ -32,38 +35,41 @@ void RenderD7::NFontApi::LoadTTF(std::string path)
return;
}
status+="success!\n";
b_h = 128;
b_w = 512;
l_h = 24; /* line height */
scale = stbtt_ScaleForPixelHeight(&font, l_h);
stbtt_GetFontVMetrics(&font, &ascent,&decent,0);
stbtt_GetFontVMetrics(&font, &ascent,&decent,&linegap);
linespace = scale * (ascent - decent + linegap);
baseline = (int) (ascent*scale);
height = (int) ((ascent - decent)*scale);
}
std::vector<unsigned char> RenderD7::NFontApi::GetGlyphBitmap(int glyph)
unsigned char* RenderD7::NFontApi::GetGlyphBitmap(char glyph)
{
stbtt_GetGlyphBitmapBox(&font, glyph, scale, scale, &x0, &y0, &x1, &y1);
//stbtt_GetGlyphBitmapBox(&font, glyph, scale, scale, &x0, &y0, &x1, &y1);
stbtt_GetCodepointBitmapBox(&font, glyph, scale, scale, &x0, &y0, &x1, &y1);
w = x1-x0;
h = y1-y0;
std::vector<unsigned char> bitmap;
bitmap.resize(h*w);
stbtt_MakeGlyphBitmap(&font, bitmap.data(), w, h, w, scale, scale, glyph);
unsigned char* bitmap;
bitmap = stbtt_GetCodepointBitmap(&font, scale, scale, glyph, &w, &h, 0, 0);
return bitmap;
}
int RenderD7::NFontApi::GetGlyphHeight(int glyph)
int RenderD7::NFontApi::GetGlyphHeight(char glyph)
{
stbtt_GetGlyphBitmapBox(&font, glyph, scale, scale, &x0, &y0, &x1, &y1);
stbtt_GetCodepointBitmapBox(&font, glyph, scale, scale, &x0, &y0, &x1, &y1);
w = x1-x0;
h = y1-y0;
return h;
}
int RenderD7::NFontApi::GetGlyphWidth(int glyph)
int RenderD7::NFontApi::GetGlyphWidth(char glyph)
{
stbtt_GetGlyphBitmapBox(&font, glyph, scale, scale, &x0, &y0, &x1, &y1);
stbtt_GetCodepointBitmapBox(&font, glyph, scale, scale, &x0, &y0, &x1, &y1);
w = x1-x0;
h = y1-y0;
return w;