èdóvÅF
SGSetChannelBounds ÇÕÅAíPÇ…ÉNÉâÉCÉAÉìÉgë§Ç≈ãÈå`óÃàÊÇÃäÛñ]ÇÃÉTÉCÉYÇéwíËÇ≈Ç´ÇÈÇÊǧDžǵÇΩLJÇÃÇ≈Ç∑ÅBVideo Digitizer Ç©ÇÁï‘Ç≥ÇÍÇÈé¿ç€ÇÃîÕàÕÇÕàŸÇ»ÇÈèÍçáǙdžÇËÇ‹Ç∑ÅBÉLÉÉÉvÉ`ÉÉå„ÇÃâfëúÇÃÉTÉCÉYÇΔägëÂèkè¨Ç…ǬǢǃÉNÉâÉCÉAÉìÉgÇ…åµñßÇ»óvåèǙdžÇÈèÍçáÇ…ÇÕÅAÉLÉÉÉvÉ`ÉÉå„ÇÃâfëúÇïKóvÇ…âûÇ∂ǃí≤êÆÇ≈Ç´ÇÈïKóvǙdžÇËÇ‹Ç∑ÅB

ê} 1.äeãÈå`óÃàÊÇÃëäå›ä÷åW

ÉäÉXÉg 1. Video ãÈå`óÃàÊÇΔ Channel ãÈå`óÃàÊÇÃéwíË

ComponentResult SetVideoChannelBounds(SGChannel videoChannel,
const Rect *scaledSourceBounds,
const Rect *scaledVideoBounds)
{
Rect sourceBounds;
Rect videoBounds;
Rect channelBounds;
MatrixRecord scaledSourceBoundsToSourceBounds;
ComponentResult err;

// scaledSourceBounds Ç Source ãÈå`óÃàÊÇ…ïœä∑Ç∑ÇÈ
// çsóÒÇåvéZÇ∑ÇÈ

SGGetSrcVideoBounds(videoChannel, &sourceBounds);
RectMatrix(&scaledSourceBoundsToSourceBounds,
scaledSourceBounds, &sourceBounds);

// ìØÇ∂ïœä∑Ç scaledVideoBounds
// Ç…ìKópǵ Video ãÈå`óÃàÊÇéÊìæÇ∑ÇÈ
videoBounds = *scaledVideoBounds;
TransformRect(&scaledSourceBoundsToSourceBounds, &videoBounds, 0);
    
err = SGSetVideoRect(videoChannel, &videoBounds);
if ((digiUnimpErr == err) || (qtParamErr == err)) {
// ÉrÉfÉIÉfÉWÉ^ÉCÉUÇ…ÇÊǡǃÇÕÅAÉtÉåÅ[ÉÄëSëÃÇÃÉLÉÉÉvÉ`ÉÉÅAÇ‹ÇΩÇÕì¡íËÇÃÉTÉCÉYÇ≈ÇÃÉLÉÉÉvÉ`ÉÉ
// ÇÃÇ›ÉTÉ|Å[ÉgÇ∑ÇÈÅBóvãÅǵÇΩ Video ãÈå`óÃàÊÇ…ëŒâûÇ≈ǴǻǢèÍçáÇ…ÅA
// qtParamErr Ç‹ÇΩÇÕ digiUnimpErr Ç™ï‘Ç≥ÇÍÇÈ
err = SGSetVideoRect(videoChannel, &sourceBounds);
    }
if (err) goto bail;

// Channel ãÈå`óÃàÊÇÕ (0, 0) Ç…ÉIÉtÉZÉbÉgÇ≥ÇÍÇΩ scaledVideoBounds
channelBounds = *scaledVideoBounds;
OffsetRect(&channelBounds, -channelBounds.left, -channelBounds.top);
  
// SGSetChannelBounds ÇÕÅAíPÇ…ÉNÉâÉCÉAÉìÉgë§Ç≈ãÈå`óÃàÊÇÃäÛñ]ÉTÉCÉYÇéwíËÇ≈Ç´ÇÈÇÊǧDžǵǃǢÇÈ
// Ç…âflǨǻǢÅBÉCÉÅÅ[ÉWãLèqÇà vDig Ç…ÇÊǡǃï‘Ç≥ÇÍÇÈé¿ç€ÇÃãÈå`óÃàÊÇÕÅA
// àŸÇ»ÇÈèÍçáǙdžÇÈ
err = SGSetChannelBounds(videoChannel, &channelBounds);

bail:
return err;
}