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Get basic TTF support working in OpenGL

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co-authored-by: Michael Steenbeek <m.o.steenbeek@gmail.com>
This commit is contained in:
Ted John
2019-08-03 12:47:29 +01:00
committed by ζeh Matt
parent 008f106242
commit 6e2b79a895
6 changed files with 131 additions and 4 deletions
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35
src/openrct2/drawing/Drawing.String.cpp
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@@ -7,10 +7,13 @@
* OpenRCT2 is licensed under the GNU General Public License version 3.
*****************************************************************************/
#include "../Context.h"
#include "../common.h"
#include "../config/Config.h"
#include "../core/String.hpp"
#include "../drawing/Drawing.h"
#include "../drawing/IDrawingContext.h"
#include "../drawing/IDrawingEngine.h"
#include "../interface/Viewport.h"
#include "../localisation/Formatting.h"
#include "../localisation/Localisation.h"
@@ -525,6 +528,7 @@ static void ttf_draw_string_raw_sprite(rct_drawpixelinfo* dpi, std::string_view
#ifndef NO_TTF
static int _ttfGlId = 0;
static void ttf_draw_string_raw_ttf(rct_drawpixelinfo* dpi, std::string_view text, text_draw_info* info)
{
if (!ttf_initialise())
@@ -554,6 +558,37 @@ static void ttf_draw_string_raw_ttf(rct_drawpixelinfo* dpi, std::string_view tex
int32_t width = surface->w;
int32_t height = surface->h;
if (OpenRCT2::GetContext()->GetDrawingEngineType() == DrawingEngine::OpenGL)
{
auto pixels = reinterpret_cast<uint8_t*>(const_cast<void*>(surface->pixels));
auto pixelsLen = static_cast<size_t>(surface->pitch) * surface->h;
for (size_t pp = 0; pp < pixelsLen; pp++)
{
if (pixels[pp] != 0)
{
pixels[pp] = colour;
}
else
{
pixels[pp] = PALETTE_INDEX_0;
}
}
auto baseId = uint32_t(0x7FFFF) - 1024;
auto imageId = baseId + _ttfGlId;
auto drawingEngine = dpi->DrawingEngine;
auto drawingContext = drawingEngine->GetDrawingContext(dpi);
drawingEngine->InvalidateImage(imageId);
drawingContext->DrawBitmap(imageId, surface->pixels, surface->pitch, surface->h, drawX, drawY);
_ttfGlId++;
if (_ttfGlId >= 1023)
{
_ttfGlId = 0;
}
return;
}
int32_t overflowX = (dpi->x + dpi->width) - (drawX + width);
int32_t overflowY = (dpi->y + dpi->height) - (drawY + height);
if (overflowX < 0)